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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.

Synthesis, characterisation and evaluation of hyperbranched N-(2-hydroxypropyl) methacrylamides for transport and delivery in pancreatic cell lines in vitro and in vivo (2022)
Journal Article
Anane-Adjei, A. B., Fletcher, N. L., Cavanagh, R. J., Houston, Z. H., Crawford, T., Pearce, A. K., …Alexander, C. (2022). Synthesis, characterisation and evaluation of hyperbranched N-(2-hydroxypropyl) methacrylamides for transport and delivery in pancreatic cell lines in vitro and in vivo. Biomaterials Science, 10(9), 2328-2344. https://doi.org/10.1039/d1bm01548f

Hyperbranched polymers have many promising features for drug delivery, owing to their ease of synthesis, multiple functional group content, and potential for high drug loading with retention of solubility. Here we prepared hyperbranched N-(2-hydroxyp... Read More about Synthesis, characterisation and evaluation of hyperbranched N-(2-hydroxypropyl) methacrylamides for transport and delivery in pancreatic cell lines in vitro and in vivo.

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.

Engineering bacteria to control electron transport altering the synthesis of non-native polymer (2021)
Journal Article
Bennett, M. R., Jain, A., Kovacs, K., Hill, P. J., Alexander, C., & Rawson, F. J. (2021). Engineering bacteria to control electron transport altering the synthesis of non-native polymer. RSC Advances, 12, 451-457. https://doi.org/10.1039/d1ra06403g

The use of bacteria as catalysts for radical polymerisations of synthetic monomers has recently been established. However, the role of trans Plasma Membrane Electron Transport (tPMET) in modulating these processes is not well understood. We sort to s... Read More about Engineering bacteria to control electron transport altering the synthesis of non-native polymer.

Investigating histidinylated highly branched poly(lysine) for siRNA delivery (2021)
Journal Article
Alazzo, A., Gumus, N., Gurnani, P., Stolnik, S., Rahman, R., Spriggs, K., & Alexander, C. (2022). Investigating histidinylated highly branched poly(lysine) for siRNA delivery. Journal of Materials Chemistry B, 10(2), 236-246. https://doi.org/10.1039/d1tb01793d

The temporary silencing of disease-associated genes utilising short interfering RNA (siRNA) is a potent and selective route for addressing a wide range of life limiting disorders. However, the few clinically approved siRNA therapies rely on lipid bas... Read More about Investigating histidinylated highly branched poly(lysine) for siRNA delivery.

Multi-component bioresponsive nanoparticles for synchronous delivery of docetaxel and TUBB3 siRNA to lung cancer cells (2021)
Journal Article
Conte, C., Monteiro, P., Gurnani, P., Stolnik, S., Ungaro, F., Quaglia, F., …Alexander, C. (2021). Multi-component bioresponsive nanoparticles for synchronous delivery of docetaxel and TUBB3 siRNA to lung cancer cells. Nanoscale, 13(26), 11414-11426. https://doi.org/10.1039/d1nr02179f

Bioresponsive nanoparticles (NPs) are of interest for anticancer nanomedicines, owing to the possibility to ‘design in’ selective modulation of drug release at target sites. Here we describe the double emulsion formulation of redox-responsive NPs bas... Read More about Multi-component bioresponsive nanoparticles for synchronous delivery of docetaxel and TUBB3 siRNA to lung cancer cells.

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.

Combining Inducible Lectin Expression and Magnetic Glyconanoparticles for the Selective Isolation of Bacteria from Mixed Populations (2021)
Journal Article
Petch, J. E., Gurnani, P., Yilmaz, G., Mastrotto, F., Alexander, C., Heeb, S., …Mantovani, G. (2021). Combining Inducible Lectin Expression and Magnetic Glyconanoparticles for the Selective Isolation of Bacteria from Mixed Populations. ACS Applied Materials and Interfaces, 13(16), 19230-19243. https://doi.org/10.1021/acsami.1c00907

The selective isolation of bacteria from mixed populations has been investigated in varied applications ranging from differential pathogen identification in medical diagnostics and food safety to the monitoring of microbial stress dynamics in industr... Read More about Combining Inducible Lectin Expression and Magnetic Glyconanoparticles for the Selective Isolation of Bacteria from Mixed Populations.

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.

Fluorophore Selection and Incorporation Contribute to Permeation and Distribution Behaviors of Hyperbranched Polymers in Multi-Cellular Tumor Spheroids and Xenograft Tumor Models (2021)
Journal Article
Simpson, J. D., Monteiro, P. F., Ediriweera, G. R., Sonderegger, S. E., Bell, C. A., Fletcher, N. L., …Thurecht, K. J. (2021). Fluorophore Selection and Incorporation Contribute to Permeation and Distribution Behaviors of Hyperbranched Polymers in Multi-Cellular Tumor Spheroids and Xenograft Tumor Models. ACS Applied Bio Materials, 4(3), 2675–2685. https://doi.org/10.1021/acsabm.0c01616

Improving our understanding of how design choices in materials synthesis impact biological outcomes is of critical importance in the development of nanomedicines. Here, we show that fluorophore labeling of polymer nanomedicine candidates significantl... Read More about Fluorophore Selection and Incorporation Contribute to Permeation and Distribution Behaviors of Hyperbranched Polymers in Multi-Cellular Tumor Spheroids and Xenograft Tumor Models.

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), 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].

Polymer microarrays rapidly identify competitive adsorbents of virus-like particles (VLPs) (2020)
Journal Article
Blok, A. J., Gurnani, P., Xenopoulos, A., Burroughs, L., Duncan, J., Urbanowicz, R. A., …Alexander, M. R. (2020). Polymer microarrays rapidly identify competitive adsorbents of virus-like particles (VLPs). Biointerphases, 15, Article 061005. https://doi.org/10.1116/6.0000586

The emergence of SARS-CoV-2 highlights the global need for platform technologies to enable rapid development of diagnostics, vaccines, treatments, and personal protective equipment (PPE). However, many current technologies require the detailed mechan... Read More about Polymer microarrays rapidly identify competitive adsorbents of virus-like particles (VLPs).

Polymer microarrays rapidly identify competitive adsorbents of virus-like particles (2020)
Journal Article
Blok, A. J., Gurnani, P., Xenopoulos, A., Burroughs, L., Duncan, J., Urbanowicz, R. A., …Alexander, M. R. (2020). Polymer microarrays rapidly identify competitive adsorbents of virus-like particles. Biointerphases, 15(6), Article 061005. https://doi.org/10.1116/6.0000586

The emergence of SARS-CoV-2 highlights the global need for platform technologies to enable the rapid development of diagnostics, vaccines, treatments, and personal protective equipment (PPE). However, many current technologies require the detailed me... Read More about Polymer microarrays rapidly identify competitive adsorbents of virus-like particles.

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.

Effects of Polymer 3D Architecture, Size, and Chemistry on Biological Transport and Drug Delivery In Vitro and in Orthotopic Triple Negative Breast Cancer Models (2020)
Journal Article
Anane‐Adjei, A. B., Pearce, A. K., Anane-Adjei, A. B., Cavanagh, R. J., Monteiro, P. F., Bennett, T. M., …Alexander, C. (2020). Effects of Polymer 3D Architecture, Size, and Chemistry on Biological Transport and Drug Delivery In Vitro and in Orthotopic Triple Negative Breast Cancer Models. Advanced Healthcare Materials, 9(22), Article 2000892. https://doi.org/10.1002/adhm.202000892

© 2020 Wiley-VCH GmbH The size, shape, and underlying chemistries of drug delivery particles are key parameters which govern their ultimate performance in vivo. Responsive particles are desirable for triggered drug delivery, achievable through archit... Read More about Effects of Polymer 3D Architecture, Size, and Chemistry on Biological Transport and Drug Delivery In Vitro and in Orthotopic Triple Negative Breast Cancer Models.