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Sparsely PEGylated poly(beta-amino ester) polyplexes enhance antigen specific T-cell response of a bivalent SARS-CoV-2 DNA vaccine (2024)
Journal Article
Bayraktutan, H., Symonds, P., Brentville, V. A., Moloney, C., Galley, C., Bennett, C. L., …Gurnani, P. (2024). Sparsely PEGylated poly(beta-amino ester) polyplexes enhance antigen specific T-cell response of a bivalent SARS-CoV-2 DNA vaccine. Biomaterials, 311, Article 122647. https://doi.org/10.1016/j.biomaterials.2024.122647

DNA technology has emerged as a promising route to accelerated manufacture of sequence agnostic vaccines. For activity, DNA vaccines must be protected and delivered to the correct antigen presenting cells. However, the physicochemical properties of t... Read More about Sparsely PEGylated poly(beta-amino ester) polyplexes enhance antigen specific T-cell response of a bivalent SARS-CoV-2 DNA vaccine.

Triblock copolymer micelles enhance solubility, permeability and activity of a quorum sensing inhibitor against Pseudomonas aeruginosa biofilms (2024)
Journal Article
Kasza, K., Soukarieh, F., Romero, M., Hardie, K. R., Gurnani, P., Cámara, M., & Alexander, C. (2024). Triblock copolymer micelles enhance solubility, permeability and activity of a quorum sensing inhibitor against Pseudomonas aeruginosa biofilms. RSC Applied Polymers, 2(3), 444-455. https://doi.org/10.1039/D3LP00208J

Antimicrobial resistance is a threat to public health for which new treatments are urgently required. The capability of bacteria to form biofilms is of particular concern as it enables high bacterial tolerance to conventional therapies by reducing dr... Read More about Triblock copolymer micelles enhance solubility, permeability and activity of a quorum sensing inhibitor against Pseudomonas aeruginosa biofilms.

Synthetic macromolecular peptide-mimetics with amino acid substructure residues as protein stabilising excipients (2023)
Journal Article
Foralosso, R., Kopiasz, R. J., Mantovani, G., Stolnik, S., & Alexander, C. (2024). Synthetic macromolecular peptide-mimetics with amino acid substructure residues as protein stabilising excipients. Journal of Materials Chemistry B, 12, 1022-1030. https://doi.org/10.1039/d3tb02102e

The clinical use of protein and peptide biotherapeutics requires fabrication of stable products. This particularly concerns stability towards aggregation of proteins or peptides. Here, we tested a hypothesis that interactions between a synthetic pept... Read More about Synthetic macromolecular peptide-mimetics with amino acid substructure residues as protein stabilising excipients.

Chain-extension in hyperbranched polymers alters tissue distribution and cytotoxicity profiles in orthotopic models of triple negative breast cancers (2023)
Journal Article
Moloney, C., Mehradnia, F., Cavanagh, R. J., Ibrahim, A., Pearce, A. K., Ritchie, A. A., …Alexander, C. (2023). Chain-extension in hyperbranched polymers alters tissue distribution and cytotoxicity profiles in orthotopic models of triple negative breast cancers. Biomaterials Science, 11, 6545-6560. https://doi.org/10.1039/d3bm00609c

The therapeutic efficacy of nanomedicines is highly dependent on their access to target sites in the body, and this in turn is markedly affected by their size, shape and transport properties in tissue. Although there have been many studies in this ar... Read More about Chain-extension in hyperbranched polymers alters tissue distribution and cytotoxicity profiles in orthotopic models of triple negative breast cancers.

Probing expression of E-selectin using CRISPR-Cas9-mediated tagging with HiBiT in human endothelial cells (2023)
Journal Article
Ogrodzinski, L., Platt, S., Goulding, J., Alexander, C., Farr, T. D., Woolard, J., …Kilpatrick, L. E. (2023). Probing expression of E-selectin using CRISPR-Cas9-mediated tagging with HiBiT in human endothelial cells. iScience, 26(7), Article 107232. https://doi.org/10.1016/j.isci.2023.107232

E-selectin is expressed on endothelial cells in response to inflammatory cytokines and mediates leukocyte rolling and extravasation. However, studies have been hampered by lack of experimental approaches to monitor expression in real time in living c... Read More about Probing expression of E-selectin using CRISPR-Cas9-mediated tagging with HiBiT in human endothelial cells.

OptoRheo: Simultaneous in situ micro-mechanical sensing and 3D imaging of live cell cultures (2023)
Preprint / Working Paper
Mendonca, T., Lis-Slimak, K., Matheson, A. B., Smith, M. G., Anane-Adjei, A. B., Cavanagh, R., …Wright, A. J. OptoRheo: Simultaneous in situ micro-mechanical sensing and 3D imaging of live cell cultures

Biomechanical cues from the extracellular matrix (ECM) are essential for directing many cellular processes, from normal development and repair, to disease progression. To better understand cell-matrix interactions, we have developed a new instrument... Read More about OptoRheo: Simultaneous in situ micro-mechanical sensing and 3D imaging of live cell cultures.

Oxidation of Monoterpenes to Form Diols and Triols: A Versatile Toolbox for Polymer Synthesis (2023)
Journal Article
Fowler, H. R., O'Brien, D. M., Keddie, D. J., Alexander, C., Irvine, D. J., Stockman, R. A., …Taresco, V. (2023). Oxidation of Monoterpenes to Form Diols and Triols: A Versatile Toolbox for Polymer Synthesis. Macromolecular Chemistry and Physics, 224(8), Article 2200446. https://doi.org/10.1002/macp.202200446

Polyols and polyacrylates have a wide range of applications in polymer synthesis as monomers, initiators, or building blocks in a variety of polymerization reaction types. With an ever-growing need to reduce the global dependency on fossil fuels, fin... Read More about Oxidation of Monoterpenes to Form Diols and Triols: A Versatile Toolbox for Polymer Synthesis.

Histopathological impact of Redox-responsive methacrylamide based micellar nanoparticles on Orthotopic Models of Triple Negative Breast Cancers (2022)
Journal Article
Mehradnia, F., Moloney, C., Cavanagh, R., Pearce, A. K., Ritchie, A., Clarke, P., …Alexander, C. (2022). Histopathological impact of Redox-responsive methacrylamide based micellar nanoparticles on Orthotopic Models of Triple Negative Breast Cancers. British Journal of Pharmacy, 7(2), https://doi.org/10.5920/bjpharm.1173

The therapeutic efficacy of anticancer nanocarriers ishighly dependent on their size, shape, targeting ability, and stimuli-responsiveness. Herein, we studied the in vivo therapeutic efficacy ofDoxorubicin (Dox) loaded redox responsive micellar-like... Read More about Histopathological impact of Redox-responsive methacrylamide based micellar nanoparticles on Orthotopic Models of Triple Negative Breast Cancers.

The effect of Amine modification on siRNA delivery of redox-responsive PEGylated amphiphilic micellar nanoparticles for triple negative breast cancer therapy (2022)
Journal Article
Mehradnia, F., & Alexander, C. (2022). The effect of Amine modification on siRNA delivery of redox-responsive PEGylated amphiphilic micellar nanoparticles for triple negative breast cancer therapy. British Journal of Pharmacy, 7(2), https://doi.org/10.5920/bjpharm.1119

We developed a set of methoxypoly(ethyleneglycol)-co-poly(N3-ε-caprolactone) (mPEG-N3PCL)copolymers with different types of amine linkers and investigated thecontribution of the introduced amino linker to the gene delivery efficiency ofnanoparticles.... Read More about The effect of Amine modification on siRNA delivery of redox-responsive PEGylated amphiphilic micellar nanoparticles for triple negative breast cancer therapy.

Correction to “Facile Dye-Initiated Polymerization of Lactide−Glycolide Generates Highly Fluorescent Poly(lactic-coglycolic Acid) for Enhanced Characterization of Cellular Delivery” (2022)
Journal Article
Yousif, M. D., Al-Natour, M. A., Cavanagh, R., Abouselo, A., Apebende, E. A., Ghaemmaghami, A., …Alexander, C. (2022). Correction to “Facile Dye-Initiated Polymerization of Lactide−Glycolide Generates Highly Fluorescent Poly(lactic-coglycolic Acid) for Enhanced Characterization of Cellular Delivery”. ACS Macro Letters, 11, 1224. https://doi.org/10.1021/acsmacrolett.2c00570

There is a change to the order of authorship for this published Letter. The author list should appear as it does in this Addition and Correction. All authors have agreed to this change.

Evaluation of the relative potential for contact and doffing transmission of SARS-CoV-2 by a range of personal protective equipment materials (2022)
Journal Article
Xue, X., Coleman, C. M., Duncan, J. D., Hook, A. L., Ball, J. K., Alexander, C., & Alexander, M. R. (2022). Evaluation of the relative potential for contact and doffing transmission of SARS-CoV-2 by a range of personal protective equipment materials. Scientific Reports, 12(1), Article 16654. https://doi.org/10.1038/s41598-022-20952-8

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)—the causative agent of coronavirus disease 2019 (COVID-19)—has caused a global public health emergency. Personal protective equipment (PPE) is the primary defence against viral exposure in... Read More about Evaluation of the relative potential for contact and doffing transmission of SARS-CoV-2 by a range of personal protective equipment materials.

Metabolic Signatures of Surface-Modified Poly(lactic- co-glycolic acid) Nanoparticles in Differentiated THP-1 Cells Derived with Liquid Chromatography-Mass Spectrometry-based Metabolomics (2022)
Journal Article
Al-Natour, M. A., Abdelrazig, S., Ghaemmaghami, A. M., Alexander, C., & Kim, D. H. (2022). Metabolic Signatures of Surface-Modified Poly(lactic- co-glycolic acid) Nanoparticles in Differentiated THP-1 Cells Derived with Liquid Chromatography-Mass Spectrometry-based Metabolomics. ACS Omega, https://doi.org/10.1021/acsomega.2c01660

Polymeric nanoparticles (NPs) are widely used in preclinical drug delivery investigations, and some formulations are now in the clinic. However, the detailed effects of many NPs at the subcellular level have not been fully investigated. In this study... Read More about Metabolic Signatures of Surface-Modified Poly(lactic- co-glycolic acid) Nanoparticles in Differentiated THP-1 Cells Derived with Liquid Chromatography-Mass Spectrometry-based Metabolomics.

Oxygen-Tolerant RAFT Polymerization Initiated by Living Bacteria (2022)
Journal Article
Bennett, M. R., Moloney, C., Catrambone, F., Turco, F., Myers, B., Kovacs, K., …Gurnani, P. (2022). Oxygen-Tolerant RAFT Polymerization Initiated by Living Bacteria. ACS Macro Letters, 11(8), 954-960. https://doi.org/10.1021/acsmacrolett.2c00372

Living organisms can synthesize a wide range of macromolecules from a small set of natural building blocks, yet there is potential for even greater materials diversity by exploiting biochemical processes to convert unnatural feedstocks into new abiot... Read More about Oxygen-Tolerant RAFT Polymerization Initiated by Living Bacteria.

An in vitro investigation of the hepatic toxicity of PEGylated polymeric redox responsive nanoparticles (2022)
Journal Article
Powell, L. G., Alexander, C., Stone, V., Johnston, H. J., & Conte, C. (2022). An in vitro investigation of the hepatic toxicity of PEGylated polymeric redox responsive nanoparticles. RSC Advances, 12(20), 12860-12870. https://doi.org/10.1039/d2ra00395c

It can be challenging to deliver drugs to cancer cells in a targeted manner at an effective dose. Polymeric nanoparticles (NPs) are promising drug delivery systems that can be targeted to cancer cells using redox responsive elements. More specificall... Read More about An in vitro investigation of the hepatic toxicity of PEGylated polymeric redox responsive nanoparticles.

Passerini chemistries for synthesis of polymer pro-drug and polymersome drug delivery nanoparticles (2022)
Journal Article
Travanut, A., Monteiro, P. F., Smith, S., Howdle, S. M., Grabowska, A. M., Kellam, B., …Alexander, C. (2022). Passerini chemistries for synthesis of polymer pro-drug and polymersome drug delivery nanoparticles. Journal of Materials Chemistry B, 10, 3895-3905. https://doi.org/10.1039/d2tb00045h

New materials chemistries are urgently needed to overcome the limitations of existing biomedical materials in terms of preparation, functionality and versatility, and also in regards to their compatibility with biological environments. Here, we show... Read More about Passerini chemistries for synthesis of polymer pro-drug and polymersome drug delivery nanoparticles.

Therapeutic potential of miRNAs in Clostridioides difficile infection (2022)
Journal Article
Monaghan, T. M., Polytarchou, C., Kao, D., Alexander, C., & Gurnani, P. (2022). Therapeutic potential of miRNAs in Clostridioides difficile infection. Future Microbiology, 17(5), 315-318. https://doi.org/10.2217/fmb-2021-0311

Treating Clostridioides difficile infection with miRNAs alone or combined with live biotherapeutic products may augment therapeutic efficacy and help counteract drug resistance in the future.

Mixed polymer and bioconjugate core/shell electrospun fibres for biphasic protein release (2021)
Journal Article
Adala, I., Ramis, J., Ntone Moussinga, C., Janowski, I., Amer, M. H., Bennett, A. J., …Rose, F. R. (2021). Mixed polymer and bioconjugate core/shell electrospun fibres for biphasic protein release. Journal of Materials Chemistry B, 9(20), 4120-4133. https://doi.org/10.1039/d1tb00129a

Effective regenerative medicine requires delivery systems which can release multiple components at appropriate levels and at different phases of tissue growth and repair. However, there are few biomaterials and encapsulation techniques that are fully... Read More about Mixed polymer and bioconjugate core/shell electrospun fibres for biphasic protein release.

Potentiated inhibition of Trichoderma virens and other environmental fungi by new biocide combinations (2021)
Journal Article
Vallières, C., Alexander, C., & Avery, S. V. (2021). Potentiated inhibition of Trichoderma virens and other environmental fungi by new biocide combinations. Applied Microbiology and Biotechnology, 105, 2867-2875. https://doi.org/10.1007/s00253-021-11211-3

Fungi cause diverse, serious socio-economic problems, including biodeterioration of valuable products and materials that spawns a biocides industry worth ~$11 billion globally. To help combat environmental fungi that commonly colonise material produc... Read More about Potentiated inhibition of Trichoderma virens and other environmental fungi by new biocide combinations.

Polymer pro-drug nanoparticles for sustained release of cytotoxic drugs evaluated in patient-derived glioblastoma cell lines and in situ gelling formulations (2021)
Journal Article
Vasey, C. E., Cavanagh, R. J., Taresco, V., Moloney, C., Smith, S., Rahman, R., & Alexander, C. (2021). Polymer pro-drug nanoparticles for sustained release of cytotoxic drugs evaluated in patient-derived glioblastoma cell lines and in situ gelling formulations. Pharmaceutics, 13(2), Article 208. https://doi.org/10.3390/pharmaceutics13020208

Glioblastoma (GBM) is the most common, malignant and aggressive brain tumour in adults. Despite the use of multimodal treatments, involving surgery, followed by concomitant radiotherapy and chemotherapy, the median survival for patients remains less... Read More about Polymer pro-drug nanoparticles for sustained release of cytotoxic drugs evaluated in patient-derived glioblastoma cell lines and in situ gelling formulations.

Corrigendum to ‘LC-MS metabolomics comparisons of cancer cell and macrophage responses to methotrexate and polymer-encapsulated methotrexate’ [International Journal of Pharmaceutics: X Volume 1 (2019) 100036] (2020)
Journal Article
Al-Natour, M. A., Alazzo, A., Ghaemmaghami, A. M., Kim, D. H., & Alexander, C. (2020). Corrigendum to ‘LC-MS metabolomics comparisons of cancer cell and macrophage responses to methotrexate and polymer-encapsulated methotrexate’ [International Journal of Pharmaceutics: X Volume 1 (2019) 100036]. International Journal of Pharmaceutics: X, 2, Article 100044. https://doi.org/10.1016/j.ijpx.2020.100044

© 2020 The Author(s) The authors regret that the original version of Fig. 3 incorrect. The updated figure is below for reference. [Figure presented] Fig. 3 Super-resolution microscopy image of methotrexate loaded PLGA nanoparticles (green) (92 μg/mL,... Read More about Corrigendum to ‘LC-MS metabolomics comparisons of cancer cell and macrophage responses to methotrexate and polymer-encapsulated methotrexate’ [International Journal of Pharmaceutics: X Volume 1 (2019) 100036].

Synthesis and Antibacterial Evaluation of New Pyrazolo[3,4-d]pyrimidines Kinase Inhibitors (2020)
Journal Article
Greco, C., Catania, R., Balacco, D. L., Taresco, V., Musumeci, F., Alexander, C., …Schenone, S. (2020). Synthesis and Antibacterial Evaluation of New Pyrazolo[3,4-d]pyrimidines Kinase Inhibitors. Molecules, 25(22), Article 5354. https://doi.org/10.3390/molecules25225354

Pyrazolo[3,4-d]pyrimidines represent an important class of heterocyclic compounds well-known for their anticancer activity exerted by the inhibition of eukaryotic protein kinases. Recently, pyrazolo[3,4-d]pyrimidines have become increasingly attracti... Read More about Synthesis and Antibacterial Evaluation of New Pyrazolo[3,4-d]pyrimidines Kinase Inhibitors.

Biomedical engineering approaches to enhance therapeutic delivery for malignant glioma (2020)
Journal Article
McCrorie, P., Vasey, C. E., Smith, S. J., Marlow, M., Alexander, C., & Rahman, R. (2020). Biomedical engineering approaches to enhance therapeutic delivery for malignant glioma. Journal of Controlled Release, 328, 917-931. https://doi.org/10.1016/j.jconrel.2020.11.022

© 2020 We review the challenges of next-generation therapeutics for both systemic and localised delivery to brain tumours and discuss how recent engineering advances may be used to enhance brain penetration of systemic delivery therapies. The unmet c... Read More about Biomedical engineering approaches to enhance therapeutic delivery for malignant glioma.

Reduction-responsive polymers for drug delivery in cancer therapy—Is there anything new to discover? (2020)
Journal Article
Monteiro, P. F., Travanut, A., Conte, C., & Alexander, C. (2021). Reduction-responsive polymers for drug delivery in cancer therapy—Is there anything new to discover?. Wiley Interdisciplinary Reviews: Nanomedicine and Nanobiotechnology, 13(2), Article e1678. https://doi.org/10.1002/wnan.1678

© 2020 The Authors. WIREs Nanomedicine and Nanobiotechnology published by Wiley Periodicals LLC. Among various types of stimuli-responsive drug delivery systems, reduction-responsive polymers have attracted great interest. In general, these systems h... Read More about Reduction-responsive polymers for drug delivery in cancer therapy—Is there anything new to discover?.

Repurposing Nonantifungal Approved Drugs for Synergistic Targeting of Fungal Pathogens (2020)
Journal Article
Vallières, C., Singh, N., Alexander, C., & Avery, S. V. (2020). Repurposing Nonantifungal Approved Drugs for Synergistic Targeting of Fungal Pathogens. ACS Infectious Diseases, 6(11), 2950-2958. https://doi.org/10.1021/acsinfecdis.0c00405

With the spread of drug resistance, new antimicrobials are urgently needed. Here, we set out to tackle this problem by high-throughput exploration for novel antifungal synergies among combinations of approved, nonantifungal drugs; a novel strategy ex... Read More about Repurposing Nonantifungal Approved Drugs for Synergistic Targeting of Fungal Pathogens.

All Surfaces Are Not Equal in Contact Transmission of SARS-CoV-2 (2020)
Journal Article
Xue, X., Ball, J. K., Alexander, C., & Alexander, M. R. (2020). All Surfaces Are Not Equal in Contact Transmission of SARS-CoV-2. Matter, 3(5), 1433-1441. https://doi.org/10.1016/j.matt.2020.10.006

© 2020 Elsevier Inc. The world faces a severe and acute public health emergency due to the ongoing coronavirus disease 2019 (COVID-19) global pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Healthcare workers are... Read More about All Surfaces Are Not Equal in Contact Transmission of SARS-CoV-2.

Controlling the Biological Fate of Micellar Nanoparticles: Balancing Stealth and Targeting (2020)
Journal Article
Sivaram, A. J., Wardiana, A., Alcantara, S., Sonderegger, S. E., Fletcher, N. L., Houston, Z. H., …Thurecht, K. J. (2020). Controlling the Biological Fate of Micellar Nanoparticles: Balancing Stealth and Targeting. ACS Nano, 14(10), 13739-13753. https://doi.org/10.1021/acsnano.0c06033

Copyright © 2020 American Chemical Society. Integrating nanomaterials with biological entities has led to the development of diagnostic tools and biotechnology-derived therapeutic products. However, to optimize the design of these hybrid bionanomater... Read More about Controlling the Biological Fate of Micellar Nanoparticles: Balancing Stealth and Targeting.

An improved synthesis of poly(amidoamine)s for complexation with self-amplifying RNA and effective transfection (2020)
Journal Article
Gurnani, P., Blakney, A. K., Yeow, J., Bouton, C. R., Shattock, R. J., Stevens, M. M., & Alexander, C. (2020). An improved synthesis of poly(amidoamine)s for complexation with self-amplifying RNA and effective transfection. Polymer Chemistry, 11(36), 5861-5869. https://doi.org/10.1039/d0py00912a

© The Royal Society of Chemistry. Cationic polymers are widely used as materials to condense nucleic acids for gene-based therapies. These have been developed to mainly deliver DNA and RNA for cancer therapies but the ongoing COVID-19 pandemic has de... Read More about An improved synthesis of poly(amidoamine)s for complexation with self-amplifying RNA and effective transfection.

Synthesis of Passerini-3CR Polymers and Assembly into Cytocompatible Polymersomes (2020)
Journal Article
Travanut, A., Monteiro, P. F., Oelmann, S., Howdle, S. M., Grabowska, A. M., Clarke, P. A., …Alexander, C. (2021). Synthesis of Passerini-3CR Polymers and Assembly into Cytocompatible Polymersomes. Macromolecular Rapid Communications, 42(6), Article 2000321. https://doi.org/10.1002/marc.202000321

© 2020 The Authors. Published by Wiley-VCH GmbH The versatility of the Passerini three component reaction (Passerini-3CR) is herein exploited for the synthesis of an amphiphilic diblock copolymer, which self-assembles into polymersomes. Carboxy-funct... Read More about Synthesis of Passerini-3CR Polymers and Assembly into Cytocompatible Polymersomes.

Functionalized block co-polymer pro-drug nanoparticles with anti-cancer efficacy in 3D spheroids and in an orthotopic triple negative breast cancer model (2020)
Journal Article
Taresco, V., Abelha, T. F., Cavanagh, R. J., Vasey, C. E., Anane-Adjei, A. B., Pearce, A. K., …Alexander, C. (2021). Functionalized block co-polymer pro-drug nanoparticles with anti-cancer efficacy in 3D spheroids and in an orthotopic triple negative breast cancer model. Advanced Therapeutics, 4(1), Article 2000103. https://doi.org/10.1002/adtp.202000103

Amphiphilic block co-polymers composed of poly(ethylene glycol)-co-poly(lactide)-co-poly(2-((tert-butoxycarbonyl)amino)-3-propyl carbonate) (PEG-pLA-pTBPC) are synthesized in monomer ratios and arrangements to enable assembly into nanoparticles with... Read More about Functionalized block co-polymer pro-drug nanoparticles with anti-cancer efficacy in 3D spheroids and in an orthotopic triple negative breast cancer model.

The In Vitro, Ex Vivo, and In Vivo Effect of Polymer Hydrophobicity on Charge-Reversible Vectors for Self-Amplifying RNA (2020)
Journal Article
Gurnani, P., Blakney, A. K., Terracciano, R., Petch, J. E., Blok, A. J., Bouton, C. R., …Alexander, C. (2020). The In Vitro, Ex Vivo, and In Vivo Effect of Polymer Hydrophobicity on Charge-Reversible Vectors for Self-Amplifying RNA. Biomacromolecules, 21(8), 3242-3253. https://doi.org/10.1021/acs.biomac.0c00698

RNA technology has the potential to revolutionize vaccination. However, the lack of clear structure-property relationships in relevant biological models mean there is no clear consensus on the chemical motifs necessary to improve RNA delivery. In thi... Read More about The In Vitro, Ex Vivo, and In Vivo Effect of Polymer Hydrophobicity on Charge-Reversible Vectors for Self-Amplifying RNA.

Nanoformulation-by-design: an experimental and molecular dynamics study for polymer coated drug nanoparticles (2020)
Journal Article
Styliari, I. D., Taresco, V., Theophilus, A., Alexander, C., Garnett, M., & Laughton, C. (2020). Nanoformulation-by-design: an experimental and molecular dynamics study for polymer coated drug nanoparticles. RSC Advances, 10(33), 19521-19533. https://doi.org/10.1039/d0ra00408a

© The Royal Society of Chemistry 2020. The formulation of drug compounds into nanoparticles has many potential advantages in enhancing bioavailability and improving therapeutic efficacy. However, few drug molecules will assemble into stable, well-def... Read More about Nanoformulation-by-design: an experimental and molecular dynamics study for polymer coated drug nanoparticles.

Ornithine-derived oligomers and dendrimers forin vitrodelivery of DNA andex vivotransfection of skin cellsviasaRNA (2020)
Journal Article
Saviano, F., Lovato, T., Russo, A., Russo, G., Bouton, C. R., Shattock, R. J., …Conte, C. (2020). Ornithine-derived oligomers and dendrimers forin vitrodelivery of DNA andex vivotransfection of skin cellsviasaRNA. Journal of Materials Chemistry B, 8(22), 4940-4949. https://doi.org/10.1039/d0tb00942c

© The Royal Society of Chemistry 2020. Gene therapies are undergoing a renaissance, primarily due to their potential for applications in vaccination for infectious diseases and cancers. Although the biology of these technologies is rapidly evolving,... Read More about Ornithine-derived oligomers and dendrimers forin vitrodelivery of DNA andex vivotransfection of skin cellsviasaRNA.

The electrospinning of a thermo-responsive polymer with peptide conjugates for phenotype support and extracellular matrix production of therapeutically relevant mammalian cells (2020)
Journal Article
Ruiter, F. A., Sidney, L. E., Kiick, K. L., Segal, J. I., Alexander, C., & Rose, F. R. A. J. (2020). The electrospinning of a thermo-responsive polymer with peptide conjugates for phenotype support and extracellular matrix production of therapeutically relevant mammalian cells. Biomaterials Science, 8(9), 2611-2626. https://doi.org/10.1039/c9bm01965k

Current cell expansion methods for tissue engineering and regenerative medicine applications rely on the use of enzymatic digestion passaging and 2D platforms. However, this enzymatic treatment significantly reduces cell quality, due to the destructi... Read More about The electrospinning of a thermo-responsive polymer with peptide conjugates for phenotype support and extracellular matrix production of therapeutically relevant mammalian cells.

Facile Dye-Initiated Polymerization of Lactide–Glycolide Generates Highly Fluorescent Poly(lactic-co-glycolic Acid) for Enhanced Characterization of Cellular Delivery (2020)
Journal Article
Al-Natour, M. A., Yousif, M. D., Cavanagh, R., Abouselo, A., Apebende, E. A., Ghaemmaghami, A., …Alexander, C. (2020). Facile Dye-Initiated Polymerization of Lactide–Glycolide Generates Highly Fluorescent Poly(lactic-co-glycolic Acid) for Enhanced Characterization of Cellular Delivery. ACS Macro Letters, 9(3), 431-437. https://doi.org/10.1021/acsmacrolett.9b01014

Copyright © 2020 American Chemical Society. Poly(lactic-co-glycolic acid) (PLGA) is a versatile synthetic copolymer that is widely used in pharmaceutical applications. This is because it is well-tolerated in the body, and copolymers of varying physic... Read More about Facile Dye-Initiated Polymerization of Lactide–Glycolide Generates Highly Fluorescent Poly(lactic-co-glycolic Acid) for Enhanced Characterization of Cellular Delivery.

Development of Pyrazolo[3,4- d]pyrimidine Kinase Inhibitors as Potential Clinical Candidates for Glioblastoma Multiforme (2020)
Journal Article
Greco, C., Taresco, V., Pearce, A. K., Vasey, C. E., Smith, S., Rahman, R., …Schenone, S. (2020). Development of Pyrazolo[3,4- d]pyrimidine Kinase Inhibitors as Potential Clinical Candidates for Glioblastoma Multiforme. ACS Medicinal Chemistry Letters, 11(5), 657-663. https://doi.org/10.1021/acsmedchemlett.9b00530

Glioblastoma multiforme (GBM) is the most aggressive primary brain tumor. Residual cells at the tumor margin are responsible for up to 85% of GBM recurrences after standard treatment. Despite this evidence, the identification of compounds active on t... Read More about Development of Pyrazolo[3,4- d]pyrimidine Kinase Inhibitors as Potential Clinical Candidates for Glioblastoma Multiforme.

Four-wave-mixing microscopy reveals non-colocalisation between gold nanoparticles and fluorophore conjugates inside cells (2020)
Journal Article
Jones, A. T., Giannakopoulou, N., Borri, P., Williams, J. B., Watson, P., Moody, P. R., …Pope, I. (2020). Four-wave-mixing microscopy reveals non-colocalisation between gold nanoparticles and fluorophore conjugates inside cells. Nanoscale, 12(7), 4622-4635. https://doi.org/10.1039/c9nr08512b

Gold nanoparticles have been researched for many biomedical applications in diagnostics, theranostics, and as drug delivery systems. When conjugated to fluorophores, their interaction with biological cells can be studied in situ and real time using f... Read More about Four-wave-mixing microscopy reveals non-colocalisation between gold nanoparticles and fluorophore conjugates inside cells.

Four-wave-mixing microscopy reveals non- colocalisation between gold nanoparticles and fluorophore conjugates inside cells (2020)
Journal Article
Giannakopoulou, N., Williams, J. B., Moody, P. R., Sayers, E. J., Magnusson, J.-H. P., Pope, I., …Borri, P. (2020). Four-wave-mixing microscopy reveals non- colocalisation between gold nanoparticles and fluorophore conjugates inside cells. Nanoscale, 12(7), 4622-4635. https://doi.org/10.1039/b000000x

Gold nanoparticles have been researched for many biomedical applications in diagnostics, ther-anostics, and as drug delivery systems. When conjugated to fluorophores, their interaction with biological cells can be studied in situ and real time using... Read More about Four-wave-mixing microscopy reveals non- colocalisation between gold nanoparticles and fluorophore conjugates inside cells.

Enhancing doxorubicin anticancer activity with a novel polymeric platform photoreleasing nitric oxide (2019)
Journal Article
Sodano, F., Cavanagh, R., Pearce, A. K., Lazzarato, L., Rolando, B., Fraix, A., …Sortino, S. (2020). Enhancing doxorubicin anticancer activity with a novel polymeric platform photoreleasing nitric oxide. Biomaterials Science, 8(5), 1329-1344. https://doi.org/10.1039/c9bm01644a

© 2020 The Royal Society of Chemistry. Combinations of conventional chemotherapeutics with unconventional anticancer agents such as reactive oxygen and nitrogen species may offer treatment benefits for cancer therapies. Here we report a novel polymer... Read More about Enhancing doxorubicin anticancer activity with a novel polymeric platform photoreleasing nitric oxide.

LC-MS metabolomics comparisons of cancer cell and macrophage responses to methotrexate and polymer-encapsulated methotrexate (2019)
Journal Article
Al-Natour, M. A., Alazzo, A., Ghaemmaghami, A. M., Kim, D.-H., & Alexander, C. (2019). LC-MS metabolomics comparisons of cancer cell and macrophage responses to methotrexate and polymer-encapsulated methotrexate. International Journal of Pharmaceutics: X, 1, Article 100036. https://doi.org/10.1016/j.ijpx.2019.100036

Methotrexate (MTX) is a folate analogue antimetabolite widely used for the treatment of rheumatoid arthritis and cancer. A number of studies have shown that MTX delivered via nanoparticle carriers is more potent against cancer cells than free MTX, a... Read More about LC-MS metabolomics comparisons of cancer cell and macrophage responses to methotrexate and polymer-encapsulated methotrexate.

Role of Self‐Assembly Conditions and Amphiphilic Balance on Nanoparticle Formation of PEG‐PDLLA Copolymers in Aqueous Environments (2019)
Journal Article
Phan, H., Minut, R. I., McCrorie, P., Vasey, C., Larder, R. R., Krumins, E., …Pearce, A. K. (2019). Role of Self‐Assembly Conditions and Amphiphilic Balance on Nanoparticle Formation of PEG‐PDLLA Copolymers in Aqueous Environments. Journal of Polymer Science Part A: Polymer Chemistry, 57(17), 1801-1810. https://doi.org/10.1002/pola.29451

The production of well-defined and reproducible poly-meric nanoparticles (NPs), in terms of size and stability in biological environments, is undoubtedly a fundamental challenge in the formulation of novel and more effective nanomedicines. The adopti... Read More about Role of Self‐Assembly Conditions and Amphiphilic Balance on Nanoparticle Formation of PEG‐PDLLA Copolymers in Aqueous Environments.

Polyvalent diazonium polymers provide efficient protection of oncolytic adenovirus Enadenotucirev from neutralizing antibodies while maintaining biological activity in vitro and in vivo (2019)
Journal Article
Francini, N., Cochrane, D., Illingworth, S., Purdie, L., Mantovani, G., Fisher, K., …Alexander, C. (2019). Polyvalent diazonium polymers provide efficient protection of oncolytic adenovirus Enadenotucirev from neutralizing antibodies while maintaining biological activity in vitro and in vivo. Bioconjugate Chemistry, 30(4), 1244-1257. https://doi.org/10.1021/acs.bioconjchem.9b00189

Oncolytic viruses offer many advantages for cancer therapy when administered directly to confined solid tumors. However, the systemic delivery of these viruses is problematic because of the host immune response, undesired interactions with blood comp... Read More about Polyvalent diazonium polymers provide efficient protection of oncolytic adenovirus Enadenotucirev from neutralizing antibodies while maintaining biological activity in vitro and in vivo.

Lactoferrin-Loaded Alginate Microparticles to Target Clostridioides difficile Infection (2019)
Journal Article
Braim, S., Śpiewakb, K., Brindell, M., Heeg, D., Alexander, C., & Monaghan, T. (2019). Lactoferrin-Loaded Alginate Microparticles to Target Clostridioides difficile Infection. Journal of Pharmaceutical Sciences, 108(7), 2438-2446. https://doi.org/10.1016/j.xphs.2019.02.025

Some forms of bovine lactoferrin (bLf) are effective in delaying Clostridioides difficile growth and preventing toxin production. However, therapeutic use of bLf may be limited by protein stability issues. The objective of this study was to prepare a... Read More about Lactoferrin-Loaded Alginate Microparticles to Target Clostridioides difficile Infection.

Investigating the intracellular effects of hyperbranched polycation-DNA complexes on lung cancer cells using LC-MS-based metabolite profiling (2019)
Journal Article
Alazzo, A., Al-Natour, M., Spriggs, K., Stolnik, S., Ghaemmaghami, A., Kim, D.-H., & Alexander, C. (2019). Investigating the intracellular effects of hyperbranched polycation-DNA complexes on lung cancer cells using LC-MS-based metabolite profiling. Molecular Omics, 15(1), 77-87. https://doi.org/10.1039/C8MO00139A

Cationic polymers have emerged as a promising alternative to viral vectors in gene therapy. They are cheap to scale up, easy to functionalise and also presume to be safer than the viral vectors, however many of them are cytotoxic. The large number of... Read More about Investigating the intracellular effects of hyperbranched polycation-DNA complexes on lung cancer cells using LC-MS-based metabolite profiling.

Structure-optimized interpolymer polyphosphazene complexes for effective gene delivery against glioblastoma (2018)
Journal Article
Hsu, W.-H., Sánchez-Gómez, P., Gomez-Ibarlucea, E., Ivanov, D. P., Rahman, R., Grabowska, A. M., …Garcia-Fuentes, M. (2019). Structure-optimized interpolymer polyphosphazene complexes for effective gene delivery against glioblastoma. Advanced Therapeutics, 2(3), Article 1800126. https://doi.org/10.1002/adtp.201800126

Safe and efficient gene delivery vectors will enhance the prospects for polynucleotide-based therapies. Herein a new approach toward structurally optimized gene vector design based on the preparation of clickable poly(allylamino-phosphazene)s that ca... Read More about Structure-optimized interpolymer polyphosphazene complexes for effective gene delivery against glioblastoma.

Rapid formulation of redox-responsive oligo-β-aminoester polyplexes with siRNA via jet printing (2018)
Journal Article
Lovato, T., Taresco, V., Alazzo, A., Sansone, C., Stolnik, S., Alexander, C., & Conte, C. (2018). Rapid formulation of redox-responsive oligo-β-aminoester polyplexes with siRNA via jet printing. Journal of Materials Chemistry B, 6(41), 6550-6558. https://doi.org/10.1039/C8TB01215F

Here we describe a rapid inkjet formulation method for screening newly-synthesised cationic materials for siRNA delivery into cancer cells. Reduction responsive oligo-β-aminoesters were prepared and evaluated for their ability to condense siRNA into... Read More about Rapid formulation of redox-responsive oligo-β-aminoester polyplexes with siRNA via jet printing.

In Silico Screening for Solid Dispersions: The Trouble with Solubility Parameters and χFH (2018)
Journal Article
Turpin, E. R., Taresco, V., Al-Hachami, W. A., Booth, J., Treacher, K., Tomasi, S., …Garnett, M. C. (2018). In Silico Screening for Solid Dispersions: The Trouble with Solubility Parameters and χFH. Molecular Pharmaceutics, 15(10), 4654-4667. https://doi.org/10.1021/acs.molpharmaceut.8b00637

© Copyright 2018 American Chemical Society. The problem of predicting small molecule-polymer compatibility is relevant to many areas of chemistry and pharmaceutical science but particularly drug delivery. Computational methods based on Hildebrand and... Read More about In Silico Screening for Solid Dispersions: The Trouble with Solubility Parameters and χFH.

Time and cell-dependent effects of endocytosis inhibitors on the internalization of biomolecule markers and nanomaterials (2018)
Journal Article
Sasso, L., Purdie, L., Grabowska, A. M., Jones, A. T., & Alexander, C. (2018). Time and cell-dependent effects of endocytosis inhibitors on the internalization of biomolecule markers and nanomaterials. Journal of Interdisciplinary Nanomedicine, 3(2), https://doi.org/10.1002/jin2.39

Endocytosis is an essential function of cells, with key roles in the internalisation of nutrients, signal molecules and also drugs. Endocytic processes are therefore widely investigated in the context of drug delivery, and inhibitors of endocytic pat... Read More about Time and cell-dependent effects of endocytosis inhibitors on the internalization of biomolecule markers and nanomaterials.

Structural variations in hyperbranched polymers prepared via thermal polycondensation of lysine and histidine and their effects on DNA delivery (2018)
Journal Article
Alazzo, A., Lovato, T., Collins, H. M., Taresco, V., Stolnik, S., Soliman, M. E., …Alexander, C. (2018). Structural variations in hyperbranched polymers prepared via thermal polycondensation of lysine and histidine and their effects on DNA delivery. Journal of Interdisciplinary Nanomedicine, 3(2), https://doi.org/10.1002/jin2.36

The successful clinical translation of non-viral gene delivery systems has yet to be achieved due to the biological and technical obstacles to preparing a safe, potent and cost-effective vector. Hyper-branched polymers have emerged as promising candi... Read More about Structural variations in hyperbranched polymers prepared via thermal polycondensation of lysine and histidine and their effects on DNA delivery.

Stimuli-responsive prodrug chemistries for drug delivery (2018)
Journal Article
Taresco, V., Alexander, C., Singh, N., & Pearce, A. K. (in press). Stimuli-responsive prodrug chemistries for drug delivery. Advanced Therapeutics, https://doi.org/10.1002/adtp.201800030

Research into advanced therapeutic materials is of growing importance worldwide, particularly in the disease areas of infection, neurodegeneration, and oncology. Advances have been made in treating these diverse pathologies but there still remain man... Read More about Stimuli-responsive prodrug chemistries for drug delivery.

Star-shaped poly(oligoethylene glycol) copolymer-based gels: thermo-responsive behaviour and bioapplicability for risedronate intranasal delivery (2018)
Journal Article
Soliman, M. E., Elmowafy, E., Casettari, L., & Alexander, C. (2018). Star-shaped poly(oligoethylene glycol) copolymer-based gels: thermo-responsive behaviour and bioapplicability for risedronate intranasal delivery. International Journal of Pharmaceutics, 543(1-2), 224-233. https://doi.org/10.1016/j.ijpharm.2018.03.053

The aim of this work was to obtain an intranasal delivery system with improved mechanical and mucoadhesive properties that could provide prolonged retention time for the delivery of risedronate (RS). For this, novel in situ forming gels comprising th... Read More about Star-shaped poly(oligoethylene glycol) copolymer-based gels: thermo-responsive behaviour and bioapplicability for risedronate intranasal delivery.

Alkyl-modified oligonucleotides as intercalating vehicles for doxorubicin uptake via albumin binding (2017)
Journal Article
Purdie, L., Alexander, C., Spain, S. G., & Magnusson, J. P. (2018). Alkyl-modified oligonucleotides as intercalating vehicles for doxorubicin uptake via albumin binding. Molecular Pharmaceutics, 15(2), https://doi.org/10.1021/acs.molpharmaceut.7b00805

DNA-based drug delivery vehicles have displayed promise for the delivery of intercalating drugs. Here, we demonstrate that oligonucleotides modified with an alkyl chain can bind to human serum albumin, mimicking the natural binding of fatty acids. Th... Read More about Alkyl-modified oligonucleotides as intercalating vehicles for doxorubicin uptake via albumin binding.

A design of experiments (DoE) approach to identify the influencing parameters that determine poly-D,L-lactic acid (PDLLA) electrospun scaffold morphologies (2017)
Journal Article
Ruiter, F. A. A., Alexander, C., Rose, F. R., & Segal, J. (2017). A design of experiments (DoE) approach to identify the influencing parameters that determine poly-D,L-lactic acid (PDLLA) electrospun scaffold morphologies. Biomedical Materials, 12(5), Article 055009. https://doi.org/10.1088/1748-605X/aa7b54

Electrospun fibrous materials have increasing applications in regenerative medicine due to the similarity of fibre constructs to the morphology of certain extracellular matrices. Although experimentally the electrospinning method is relatively simple... Read More about A design of experiments (DoE) approach to identify the influencing parameters that determine poly-D,L-lactic acid (PDLLA) electrospun scaffold morphologies.

Rapid nano-gram scale screening method of micro-arrays to evaluate drug-polymer blends using high-throughput printing technology (2017)
Journal Article
Taresco, V., Louzao, I., Scurr, D. J., Turpin, E. R., Laughton, C. A., Alexander, C., …Garnett, M. (in press). Rapid nano-gram scale screening method of micro-arrays to evaluate drug-polymer blends using high-throughput printing technology. Molecular Pharmaceutics, 14(6), https://doi.org/10.1021/acs.molpharmaceut.7b00182

A miniaturized, high-throughput assay was optimized to screen polymer-drug solid dispersions using a 2-D Ink-jet printer. By simply printing nanoliter amounts of polymer and drug solutions onto an inert surface, drug:polymer micro-dots of tunable com... Read More about Rapid nano-gram scale screening method of micro-arrays to evaluate drug-polymer blends using high-throughput printing technology.

Dually sensitive dextran-based micelles for methotrexate delivery (2017)
Journal Article
Blanco-Fernandez, B., Concheiro, A., Makwana, H., Fernandez-Trillo, F., Alexander, C., & Alvarez-Lorenzo, C. (2017). Dually sensitive dextran-based micelles for methotrexate delivery. RSC Advances, 7(24), https://doi.org/10.1039/c7ra00696a

Temperature-sensitive polymeric micelles were prepared from dextran grafted with poly(N-isopropylacrylamide) (PNIPAAm) or polyethylene glycol methyl ether (PEGMA) via controlled radical polymerization and evaluated as delivery systems of the anticanc... Read More about Dually sensitive dextran-based micelles for methotrexate delivery.

Bioreducible cross-linked core polymer micelles enhance in vitro activity of methotrexate in breast cancer cells (2017)
Journal Article
Gulfam, M., Matini, T., Monteiro, P. F., Riva, R., Collins, H., Spriggs, K., …Alexander, C. (2017). Bioreducible cross-linked core polymer micelles enhance in vitro activity of methotrexate in breast cancer cells. Biomaterials Science, 5, https://doi.org/10.1039/c6bm00888g

Polymer micelles have emerged as promising carriers for controlled release applications, however, several limitations of micelle-based drug delivery have also been reported. To address these issues, we have synthesized a functional biodegradable and... Read More about Bioreducible cross-linked core polymer micelles enhance in vitro activity of methotrexate in breast cancer cells.

Tumour regression and improved gastrointestinal tolerability from controlled release of SN-38 from novel polyoxazoline-modified dendrimers (2016)
Journal Article
England, R. M., Hare, J. I., Barnes, J., Wilson, J., Smith, A., Strittmatter, N., …Ashford, M. B. (2017). Tumour regression and improved gastrointestinal tolerability from controlled release of SN-38 from novel polyoxazoline-modified dendrimers. Journal of Controlled Release, 247, https://doi.org/10.1016/j.jconrel.2016.12.034

Irinotecan is used clinically for the treatment of colorectal cancer; however, its utility is limited by its narrow therapeutic index. We describe the use of a generation 5 l-lysine dendrimer that has been part-modified with a polyoxazoline as a drug... Read More about Tumour regression and improved gastrointestinal tolerability from controlled release of SN-38 from novel polyoxazoline-modified dendrimers.

New N-acyl amino acid-functionalized biodegradable polyesters for pharmaceutical and biomedical applications (2016)
Journal Article
Taresco, V., Suksiriworapong, J., Styliari, I. D., Argent, R. H., Swainson, S. M., Booth, J., …Garnett, M. C. (in press). New N-acyl amino acid-functionalized biodegradable polyesters for pharmaceutical and biomedical applications. RSC Advances, 6(111), 109401-109405. https://doi.org/10.1039/C6RA21464A

A novel class of biodegradable polyesters has been generated by coupling poly(glycerol adipate) with N-acyl aromatic amino acids. This new set of polymers from this highly versatile polymeric platform may offer unprecedented new opportunities to prod... Read More about New N-acyl amino acid-functionalized biodegradable polyesters for pharmaceutical and biomedical applications.

Amphiphilic block copolymers from a renewable Ɛ-decalactone monomer: prediction and characterization of micellar core effects on drug encapsulation and release (2016)
Journal Article
Kakde, D., Taresco, V., Bansal, K. K., Magennis, E. P., Howdle, S. M., Mantovani, G., …Alexander, C. (in press). Amphiphilic block copolymers from a renewable Ɛ-decalactone monomer: prediction and characterization of micellar core effects on drug encapsulation and release. Journal of Materials Chemistry B, 44, https://doi.org/10.1039/C6TB01839D

Here we describe a methoxy poly(ethyleneglycol)-b-poly(ε-decalactone) (mPEG-b-PεDL) copolymer and investigate the potential of the copolymer as a vehicle for solubilisation and sustained release of indomethacin (IND). The indomethacin loading and rel... Read More about Amphiphilic block copolymers from a renewable Ɛ-decalactone monomer: prediction and characterization of micellar core effects on drug encapsulation and release.

Synthesis, characterization and evaluation of in vitro toxicity in hepatocytes of linear polyesters with varied aromatic and aliphatic co-monomers (2016)
Journal Article
Kakde, D., Powell, L. G., Bansal, K. K., Howdle, S., Irvine, D., Mantovani, G., …Alexander, C. (2016). Synthesis, characterization and evaluation of in vitro toxicity in hepatocytes of linear polyesters with varied aromatic and aliphatic co-monomers. Journal of Controlled Release, 244(B), https://doi.org/10.1016/j.jconrel.2016.08.003

Polyesters are extensively used in drug delivery because of their controllable biodegradation properties and perceived favorable cytocompatibility. However, new ester-based materials are continually being sought which can be produced from readily acc... Read More about Synthesis, characterization and evaluation of in vitro toxicity in hepatocytes of linear polyesters with varied aromatic and aliphatic co-monomers.

Properties of acyl modified poly(glycerol-adipate) comb-like polymers and their self-assembly into nanoparticles (2016)
Journal Article
Taresco, V., Suksiriworapong, J., Creasey, R., Burley, J. C., Mantovani, G., Alexander, C., & Garnett, M. (2016). Properties of acyl modified poly(glycerol-adipate) comb-like polymers and their self-assembly into nanoparticles. Journal of Polymer Science Part A: Polymer Chemistry, 54(20), 3267-3278. https://doi.org/10.1002/pola.28215

There is an increasing need to develop bio-compatible polymers with an increased range of different physicochemical properties. Poly(glycerol-adipate) (PGA) is a biocompatible, biodegradable amphiphilic polyester routinely produced from divinyl adipa... Read More about Properties of acyl modified poly(glycerol-adipate) comb-like polymers and their self-assembly into nanoparticles.

Dendrimer mediated clustering of bacteria: improved aggregation and evaluation of bacterial response and viability (2016)
Journal Article
Leire, E., Amaral, S. P., Louzao, I., Winzer, K., Alexander, C., Fernandez-Megia, E., & Fernandez-Trillo, F. (2016). Dendrimer mediated clustering of bacteria: improved aggregation and evaluation of bacterial response and viability. Biomaterials Science, 4(6), https://doi.org/10.1039/C6BM00079G

Here, we evaluate how cationic gallic acid-triethylene glycol (GATG) dendrimers interact with bacteria and their potential to develop new antimicrobials. We demonstrate that GATG dendrimers functionalised with primary amines in their periphery can in... Read More about Dendrimer mediated clustering of bacteria: improved aggregation and evaluation of bacterial response and viability.

FDCCS16 molecular simulation of the thermophysical properties and phase behaviour of impure CO2 relevant to CCS (2016)
Journal Article
Cresswell, A. J., Wheatley, R. J., Wilkinson, R. D., & Graham, R. S. (in press). FDCCS16 molecular simulation of the thermophysical properties and phase behaviour of impure CO2 relevant to CCS. Faraday Discussions, 192, https://doi.org/10.1039/C6FD00026F

Impurities from the CCS chain can greatly influence the physical properties of CO2. This has important design, safety and cost implications for the compression, transport and storage of CO2. There is an urgent need to understand and predict the prope... Read More about FDCCS16 molecular simulation of the thermophysical properties and phase behaviour of impure CO2 relevant to CCS.

Influence of polymer size on uptake and cytotoxicity of doxorubicin-loaded DNA–PEG conjugates (2016)
Journal Article
Purdie, L., Alexander, C., Spain, S. G., & Magnusson, J. P. (2016). Influence of polymer size on uptake and cytotoxicity of doxorubicin-loaded DNA–PEG conjugates. Bioconjugate Chemistry, 27(5), https://doi.org/10.1021/acs.bioconjchem.6b00085

Intercalation of drugs into assembled DNA systems offers versatile new mechanisms for controlled drug delivery. However, current systems are becoming increasingly complex, reducing the practicality of large scale production. Here, we demonstrate a mo... Read More about Influence of polymer size on uptake and cytotoxicity of doxorubicin-loaded DNA–PEG conjugates.

Variation in structure and properties of poly(glycerol adipate) via control of chain branching during enzymatic synthesis (2016)
Journal Article
Taresco, V., Creasey, R., Kennon, J., Mantovani, G., Alexander, C., Burley, J. C., & Garnett, M. C. (2016). Variation in structure and properties of poly(glycerol adipate) via control of chain branching during enzymatic synthesis. Polymer, 89, https://doi.org/10.1016/j.polymer.2016.02.036

Poly (glycerol adipate) (PGA) can be produced from divinyl adipate and unprotected glycerol by an enzymatic route to generate a polymer with relatively low molar mass (12 kDa). PGA bears a pendant hydroxyl group which imparts a hydrophilic character... Read More about Variation in structure and properties of poly(glycerol adipate) via control of chain branching during enzymatic synthesis.

Receptor crosslinking: a general method to trigger internalization and lysosomal targeting of therapeutic receptor: ligand complexes (2015)
Journal Article

A major unmet clinical need is a universal method for subcellular targeting of bioactive molecules to lysosomes. Delivery to this organelle enables either degradation of oncogenic receptors that are overexpressed in cancers, or release of prodrugs fr... Read More about Receptor crosslinking: a general method to trigger internalization and lysosomal targeting of therapeutic receptor: ligand complexes.

Systemic in vivo delivery of siRNA to tumours using combination of polyethyleneimine and transferrin–polyethyleneimine conjugates (2015)
Journal Article
Grabowska, A. M., Kircheis, R., Kumari, R., Clarke, P., McKenzie, A., Hughes, J., …Alexander, C. (2015). Systemic in vivo delivery of siRNA to tumours using combination of polyethyleneimine and transferrin–polyethyleneimine conjugates. Biomaterials Science, 3(11), https://doi.org/10.1039/C5BM00101C

Materials for delivery of oligonucleotides need to be simple to produce yet effective in vivo to be considered for clinical applications. Formulations of biomaterials based on combinations of existing demonstrated polymeric gene carriers with targete... Read More about Systemic in vivo delivery of siRNA to tumours using combination of polyethyleneimine and transferrin–polyethyleneimine conjugates.

Imprinted contact lenses for sustained release of polymyxin B and related antimicrobial peptides (2015)
Journal Article
Malakooti, N., Alexander, C., & Alvarez-Lorenzo, C. (2015). Imprinted contact lenses for sustained release of polymyxin B and related antimicrobial peptides. Journal of Pharmaceutical Sciences, 104(10), https://doi.org/10.1002/jps.24537

The aim of this work was to develop drug-soft contact lens combination products suitable for controlled release of antimicrobial peptides on the ocular surface. Incorporation of functional monomers and the application of molecular imprinting techniqu... Read More about Imprinted contact lenses for sustained release of polymyxin B and related antimicrobial peptides.

Cationic polymer mediated bacterial clustering: cell-adhesive properties of homo- and copolymers (2015)
Journal Article
Louzao, I., Sui, C., Winzer, K., Fernandez-Trillo, F., & Alexander, C. (2015). Cationic polymer mediated bacterial clustering: cell-adhesive properties of homo- and copolymers. European Journal of Pharmaceutics and Biopharmaceutics, 95, 47-62. https://doi.org/10.1016/j.ejpb.2015.05.026

New anti-infective materials are needed urgently as alternatives to conventional biocides. It has recently been established that polymer materials designed to bind to the surface of bacteria can induce the formation of cell clusters which enhance the... Read More about Cationic polymer mediated bacterial clustering: cell-adhesive properties of homo- and copolymers.

Multiscale modelling of drug-polymer nanoparticle assembly identifies parameters influencing drug encapsulation efficiency (2015)
Journal Article
Mackenzie, R., Booth, J., Alexander, C., Garnett, M., & Laughton, C. A. (2015). Multiscale modelling of drug-polymer nanoparticle assembly identifies parameters influencing drug encapsulation efficiency. Journal of Chemical Theory and Computation, 11(6), https://doi.org/10.1021/ct501152a

Using a multiscale (dual resolution) approach combining an atomistic (GROMOS96) and coarse-grain (MARTINI) force field, we have been able to simulate the process of drug-polymer nanoparticle assembly by nanoprecipitation from mixed solvents. Here we... Read More about Multiscale modelling of drug-polymer nanoparticle assembly identifies parameters influencing drug encapsulation efficiency.

Triblock copolymer nanovesicles for pH-responsive targeted delivery and controlled release of siRNA to cancer cells (2015)
Journal Article
Gallon, E., Matini, T., Sasso, L., Mantovani, G., Armiñan de Benito, A., Sanchis, J., …Salmaso, S. (2015). Triblock copolymer nanovesicles for pH-responsive targeted delivery and controlled release of siRNA to cancer cells. Biomacromolecules, 16(7), https://doi.org/10.1021/acs.biomac.5b00286

New pH-responsive polymersomes for active anticancer oligonucleotide delivery were prepared from triblock copolymers. The delivery systems were formed by two terminal hydrophilic blocks, PEG and polyglycerolmethacrylate (poly-GMA), and a central weak... Read More about Triblock copolymer nanovesicles for pH-responsive targeted delivery and controlled release of siRNA to cancer cells.

Multifunctional poly[N-(2-hydroxypropyl)methacrylamide] copolymers via postpolymerization modification and sequential thiol–ene chemistry (2015)
Journal Article
Francini, N., Purdie, L., Alexander, C., Mantovani, G., & Spain, S. G. (2015). Multifunctional poly[N-(2-hydroxypropyl)methacrylamide] copolymers via postpolymerization modification and sequential thiol–ene chemistry. Macromolecules, 48(9), https://doi.org/10.1021/acs.macromol.5b00447

Poly[N-(2-hydroxypropyl)methacrylamide] is a promising candidate material for biomedical applications. However, synthesis of functional pHPMA via compolymerization results can lead to variations in monomer composition, molar mass, and dispersity maki... Read More about Multifunctional poly[N-(2-hydroxypropyl)methacrylamide] copolymers via postpolymerization modification and sequential thiol–ene chemistry.

Camptothecin prodrug block copolymer micelles with high drug loading and target specificity (2014)
Journal Article
Khan, A. R., Magnusson, J. P., Watson, S., Grabowska, A. M., Wilkinson, R. W., Alexander, C., & Pritchard, D. (2014). Camptothecin prodrug block copolymer micelles with high drug loading and target specificity. Polymer Chemistry, 5(18), 5320-5329. https://doi.org/10.1039/c4py00369a

The clinical efficacy of cytotoxic drugs in the treatment of cancer is often hampered by poor pharmacodynamics and systemic toxicity. Here, we describe the design and synthesis of a new PEG-based system for the delivery of the cytotoxic camptothecin... Read More about Camptothecin prodrug block copolymer micelles with high drug loading and target specificity.

Programmed assembly of polymer–DNA conjugate nanoparticles with optical readout and sequence-specific activation of biorecognition (2014)
Journal Article
Magnusson, J. P., Alexander, C., Fernández-Trillo, F., Sicilia, G., & Spain, S. G. (2014). Programmed assembly of polymer–DNA conjugate nanoparticles with optical readout and sequence-specific activation of biorecognition. Nanoscale, 6(4), 2368-2374. https://doi.org/10.1039/c3nr04952c

Soft micellar nanoparticles can be prepared from DNA conjugates designed to assemble via base pairing such that strands containing a polymer corona and a cholesterol tail generate controlled supramolecular architecture. Functionalization of one DNA c... Read More about Programmed assembly of polymer–DNA conjugate nanoparticles with optical readout and sequence-specific activation of biorecognition.

Multimodal Polymer Nanoparticles with Combined 19F Magnetic Resonance and Optical Detection for Tunable, Targeted, Multimodal Imaging in Vivo (2014)
Journal Article
Rolfe, B. E., Blakey, I., Squires, O., Peng, H., Boase, N. R., Alexander, C., …Thurecht, K. J. (2014). Multimodal Polymer Nanoparticles with Combined 19F Magnetic Resonance and Optical Detection for Tunable, Targeted, Multimodal Imaging in Vivo. Journal of the American Chemical Society, 136(6), 2413-2419. https://doi.org/10.1021/ja410351h

Multiplexing Spheroid Volume, Resazurin and Acid Phosphatase Viability Assays for High-Throughput Screening of Tumour Spheroids and Stem Cell Neurospheres (2014)
Journal Article
Alexander, C., Ivanov, D. P., WALKER, D., Parker, T. L., GARNETT, M., Ashford, M. B., & Gellert, P. R. (2014). Multiplexing Spheroid Volume, Resazurin and Acid Phosphatase Viability Assays for High-Throughput Screening of Tumour Spheroids and Stem Cell Neurospheres. PLoS ONE, 9(8), Article e103817. https://doi.org/10.1371/journal.pone.0103817

Three-dimensional cell culture has many advantages over monolayer cultures, and spheroids have been hailed as the best current representation of small avascular tumours in vitro. However their adoption in regular screening programs has been hindered... Read More about Multiplexing Spheroid Volume, Resazurin and Acid Phosphatase Viability Assays for High-Throughput Screening of Tumour Spheroids and Stem Cell Neurospheres.

Bacteria clustering by polymers induces the expression of quorum sense controlled phenotypes (2013)
Journal Article
Lui, L. T., Xue, X., Sui, C., Brown, A., Pritchard, D. I., Halliday, N., …Alexander, C. (2013). Bacteria clustering by polymers induces the expression of quorum sense controlled phenotypes. Nature Chemistry, 5(12), https://doi.org/10.1038/nchem.1793

Bacteria deploy a range of chemistries to regulate their behaviour and respond to their environment. Quorum sensing is one mean by which bacteria use chemical reactions to modulate pre-infection behaviour such as surface attachment. Polymers that can... Read More about Bacteria clustering by polymers induces the expression of quorum sense controlled phenotypes.

Enhanced uptake of nanoparticle drug carriers via a thermoresponsive shell enhances cytotoxicity in a cancer cell line (2013)
Journal Article
Abulateefeh, S. R., Spain, S. G., Thurecht, K. J., Aylott, J. W., Chan, W. C., Garnett, M. C., & Alexander, C. (2013). Enhanced uptake of nanoparticle drug carriers via a thermoresponsive shell enhances cytotoxicity in a cancer cell line. Biomaterials Science, 1(4), 434-442. https://doi.org/10.1039/c2bm00184e

Polymer particles consisting of a biodegradable poly[lactide-co-glycolide] (PLGA) core and a thermoresponsive shell have been formulated to encapsulate the dye rhodamine 6G and the potent cytotoxic drug paclitaxel. Cellular uptake of these particles... Read More about Enhanced uptake of nanoparticle drug carriers via a thermoresponsive shell enhances cytotoxicity in a cancer cell line.

Thermoresponsive polymer colloids for drug delivery and cancer therapy (2011)
Journal Article
Abulateefeh, S. R., Spain, S. G., Aylott, J. W., Chan, W. C., Garnett, M. C., & Alexander, C. (2011). Thermoresponsive polymer colloids for drug delivery and cancer therapy. Macromolecular Bioscience, 11(12), 1722-1734. https://doi.org/10.1002/mabi.201100252

Many difficulties in treating cancer arise from the problems in directing highly cytotoxic agents to the deseased tissues, cells and intracellular compartments. Many drug delivery systems have been devised to address this problem, including those tha... Read More about Thermoresponsive polymer colloids for drug delivery and cancer therapy.

Facile synthesis of responsive nanoparticles with reversible, tunable and rapid thermal transitions from biocompatible constituents (2009)
Journal Article
Abulateefeh, S. R., Saeed, A. O., Aylott, J. W., Chan, W. C., Garnett, M. C., Saunders, B. R., & Alexander, C. (2009). Facile synthesis of responsive nanoparticles with reversible, tunable and rapid thermal transitions from biocompatible constituents. Chemical Communications, 6068-6070. https://doi.org/10.1039/b911986h

Responsive polymeric nanoparticles composed of hybrid block co-polymers were prepared from biocompatible components that displayed rapid, tunable and multiply reversible transitions in response to change of temperature. © 2009 The Royal Society of Ch... Read More about Facile synthesis of responsive nanoparticles with reversible, tunable and rapid thermal transitions from biocompatible constituents.