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Professor CAMERON ALEXANDER's Outputs (144)

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., Kim, D. H., Aylott, J. W., Taresco, V., Chauhan, V. M., & 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., Hill, P. J., Alexander, C., Rawson, F. J., & 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.

Oxygen-Tolerant RAFT Polymerization Initiated by Living Bacteria (2022)
Journal Article
Gurnani, P., Bennett, M. R., Moloney, C., Catrambone, F., Turco, F., Myers, B., Kovacs, K., Hill, P. J., Alexander, C., & Rawson, F. J. (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., Meier, M. A., & Alexander, C. (2022). Passerini chemistries for synthesis of polymer pro-drug and polymersome drug delivery nanoparticles. Journal of Materials Chemistry B, 10(20), 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., Taresco, V., Ritchie, A. A., Clarke, P. A., Grabowska, A. M., Gellert, P. R., Ashford, M. B., Kellam, B., Thurecht, K. J., & 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., Clarke, P., Grabowska, A., Kavallaris, M., & 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., Alexander, C., & 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., Cámara, M., & 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., Alexander, C., & 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), 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].