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Image based machine learning for identification of macrophage subsets (2017)
Journal Article
Rostam, H., Reynolds, P. M., Alexander, M. R., Gadegaard, N., & Ghaemmaghami, A. M. (2017). Image based machine learning for identification of macrophage subsets. Scientific Reports, 7(1), Article 3521. https://doi.org/10.1038/s41598-017-03780-z

Macrophages play a crucial rule in orchestrating immune responses against pathogens and foreign materials. Macrophages have remarkable plasticity in response to environmental cues and are able to acquire a spectrum of activation status, best exemplif... Read More about Image based machine learning for identification of macrophage subsets.

Development and characterization of a stable adhesive bond between a poly(dimethylsiloxane) catheter material and a bacterial biofilm resistant acrylate polymer coating (2017)
Journal Article
Tyler, B. J., Hook, A. L., Pelster, A., Williams, P., Alexander, M. R., & Arlinghaus, H. F. (2017). Development and characterization of a stable adhesive bond between a poly(dimethylsiloxane) catheter material and a bacterial biofilm resistant acrylate polymer coating. Biointerphases, 12(2), Article 02C412. https://doi.org/10.1116/1.4984011

Catheter associated urinary tract infections (CA-UTIs) are the most common health related infections world wide, contributing significantly to patient morbidity and mortality and increased health care costs. To reduce the incidence of these infection... Read More about Development and characterization of a stable adhesive bond between a poly(dimethylsiloxane) catheter material and a bacterial biofilm resistant acrylate polymer coating.

Bioprinting Using Mechanically Robust Core–Shell Cell-Laden Hydrogel Strands (2017)
Journal Article
Mistry, P., Aied, A., Alexander, M. R., Shakesheff, K., Bennett, A., & Yang, J. (2017). Bioprinting Using Mechanically Robust Core–Shell Cell-Laden Hydrogel Strands. Macromolecular Bioscience, 17(6), Article 1600472. https://doi.org/10.1002/mabi.201600472

© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim The strand material in extrusion-based bioprinting determines the microenvironments of the embedded cells and the initial mechanical properties of the constructs. One unmet challenge is the combinat... Read More about Bioprinting Using Mechanically Robust Core–Shell Cell-Laden Hydrogel Strands.

Making Silicone Rubber Highly Resistant to Bacterial Attachment Using Thiol-ene Grafting (2016)
Journal Article
Magennis, E. P., Hook, A. L., Williams, P., & Alexander, M. R. (2016). Making Silicone Rubber Highly Resistant to Bacterial Attachment Using Thiol-ene Grafting. ACS Applied Materials and Interfaces, 8(45), 30780-30787. https://doi.org/10.1021/acsami.6b10986

Biomedical devices are indispensable in modern medicine yet offer surfaces that promote bacterial attachment and biofilm formation, resulting in acute and chronic healthcare-associated infections. We have developed a simple method to graft acrylates... Read More about Making Silicone Rubber Highly Resistant to Bacterial Attachment Using Thiol-ene Grafting.

Application of Targeted Molecular and Material Property Optimization to Bacterial Attachment-Resistant (Meth)acrylate Polymers (2016)
Journal Article
Adlington, K., Nguyen, N. T., Eaves, E., Yang, J., Chang, C. Y., Li, J., …Irvine, D. J. (2016). Application of Targeted Molecular and Material Property Optimization to Bacterial Attachment-Resistant (Meth)acrylate Polymers. Biomacromolecules, 17(9), 2830-2838. https://doi.org/10.1021/acs.biomac.6b00615

© 2016 American Chemical Society. Developing medical devices that resist bacterial attachment and subsequent biofilm formation is highly desirable. In this paper, we report the optimization of the molecular structure and thus material properties of a... Read More about Application of Targeted Molecular and Material Property Optimization to Bacterial Attachment-Resistant (Meth)acrylate Polymers.

Development, printability and post-curing studies of formulations of materials resistant to microbial attachment for use in inkjet based 3D printing (2016)
Journal Article
Begines, B., Hook, A. L., Alexander, M. R., Tuck, C. J., & Wildman, R. D. (2016). Development, printability and post-curing studies of formulations of materials resistant to microbial attachment for use in inkjet based 3D printing. Rapid Prototyping Journal, 22(5), 835-841. https://doi.org/10.1108/RPJ-11-2015-0175

Purpose: This paper aims to print 3D structures from polymers that resist bacterial attachment by reactive jetting of acrylate monomers. Design/methodology/approach: The first step towards printing was ink development. Inks were characterised to car... Read More about Development, printability and post-curing studies of formulations of materials resistant to microbial attachment for use in inkjet based 3D printing.

Identification of polymer surface adsorbed proteins implicated in pluripotent human embryonic stem cell expansion (2016)
Journal Article
Hammad, M., Rao, W., Smith, J. G. W., Anderson, D. G., Langer, R., Young, L. E., …Alexander, M. R. (2016). Identification of polymer surface adsorbed proteins implicated in pluripotent human embryonic stem cell expansion. Biomaterials Science, 4(9), 1381-1391. https://doi.org/10.1039/c6bm00214e

Improved biomaterials are required for application in regenerative medicine, biosensing, and as medical devices. The response of cells to the chemistry of polymers cultured in media is generally regarded as being dominated by proteins adsorbed to the... Read More about Identification of polymer surface adsorbed proteins implicated in pluripotent human embryonic stem cell expansion.

The impact of surface chemistry modification on macrophage polarisation (2016)
Journal Article
Rostam, H., Singh, S., Salazar, F., Magennis, P., Hook, A. L., Singh, T., …Ghaemmaghami, A. M. (2016). The impact of surface chemistry modification on macrophage polarisation. Immunobiology, 221(11), 1237-1246. https://doi.org/10.1016/j.imbio.2016.06.010

Macrophages are innate immune cells that have a central role in combating infection and maintaining tissue homeostasis. They exhibit remarkable plasticity in response to environmental cues. At either end of a broad activation spectrum are pro-inflamm... Read More about The impact of surface chemistry modification on macrophage polarisation.

The influence of nanotexturing of poly(lactic-co-glycolic acid) films upon human ovarian cancer cell attachment (2016)
Journal Article
Ya?ayan, G., Xue, X., Collier, P., Clarke, P., Alexander, M. R., & Marlow, M. (2016). The influence of nanotexturing of poly(lactic-co-glycolic acid) films upon human ovarian cancer cell attachment. Nanotechnology, 27(25), https://doi.org/10.1088/0957-4484/27/25/255102

In this study, we have produced nanotextured poly(lactic-co-glycolic acid) (PLGA) films by using polystyrene (PS) particles as a template to make a polydimethylsiloxane mould against which PLGA is solvent cast. Biocompatible, biodegradable and nanote... Read More about The influence of nanotexturing of poly(lactic-co-glycolic acid) films upon human ovarian cancer cell attachment.

Imaging of Crystalline and Amorphous Surface Regions Using Time-of-Flight Secondary-Ion Mass Spectrometry (ToF-SIMS): Application to Pharmaceutical Materials (2016)
Journal Article
Iuraş, A., Scurr, D. J., Boissier, C., Nicholas, M. L., Roberts, C. J., & Alexander, M. R. (2016). Imaging of Crystalline and Amorphous Surface Regions Using Time-of-Flight Secondary-Ion Mass Spectrometry (ToF-SIMS): Application to Pharmaceutical Materials. Analytical Chemistry, 88(7), 3481-3487. https://doi.org/10.1021/acs.analchem.5b02621

The structure of a material, in particular the extremes of crystalline and amorphous forms, significantly impacts material performance in numerous sectors such as semiconductors, energy storage, and pharmaceutical products, which are investigated in... Read More about Imaging of Crystalline and Amorphous Surface Regions Using Time-of-Flight Secondary-Ion Mass Spectrometry (ToF-SIMS): Application to Pharmaceutical Materials.

High throughput screening for discovery of materials that control stem cell fate (2016)
Journal Article
Patel, A. K., Tibbitt, M., Celiz, A. D., Davies, M. C., Langer, R., Denning, C., …Anderson, D. G. (2016). High throughput screening for discovery of materials that control stem cell fate. Current Opinion in Solid State and Materials Science, 20(4), 202-211. https://doi.org/10.1016/j.cossms.2016.02.002

Insights into the complex stem cell niche have identified the cell–material interface to be a potent regulator of stem cell fate via material properties such as chemistry, topography and stiffness. In light of this, materials scientists have the oppo... Read More about High throughput screening for discovery of materials that control stem cell fate.

Combinatorial Biomolecular Nanopatterning for High-Throughput Screening of Stem-Cell Behavior (2015)
Journal Article
Amin, Y. Y. I., Runager, K., Simoes, F., Celiz, A., Taresco, V., Rossi, R., …Ogaki, R. (2016). Combinatorial Biomolecular Nanopatterning for High-Throughput Screening of Stem-Cell Behavior. Advanced Materials, 28(7), 1472-1476. https://doi.org/10.1002/adma.201504995

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. A novel combinatorial biomolecular nanopatterning method is reported, in which multiple biomolecular ligands can be patterned in multiple nanoscale dimensions on a single surface. The applicability... Read More about Combinatorial Biomolecular Nanopatterning for High-Throughput Screening of Stem-Cell Behavior.

Engineering serendipity: High-throughput discovery of materials that resist bacterial attachment (2015)
Journal Article
Magennis, E., Hook, A., Davies, M., Alexander, C., Williams, P., & Alexander, M. R. (2016). Engineering serendipity: High-throughput discovery of materials that resist bacterial attachment. Acta Biomaterialia, 34, 84-92. https://doi.org/10.1016/j.actbio.2015.11.008

Controlling the colonisation of materials by microorganisms is important in a wide range of industries and clinical settings. To date, the underlying mechanisms that govern the interactions of bacteria with material surfaces remain poorly understood,... Read More about Engineering serendipity: High-throughput discovery of materials that resist bacterial attachment.

3D printing of five-in-one dose combination polypill with defined immediate and sustained release profiles (2015)
Journal Article
Khaled, S. A., Burley, J. C., Alexander, M. R., Yang, J., & Roberts, C. J. (in press). 3D printing of five-in-one dose combination polypill with defined immediate and sustained release profiles. Journal of Controlled Release, 217, https://doi.org/10.1016/j.jconrel.2015.09.028

We have used three dimensional (3D) extrusion printing to manufacture a multi-active solid dosage form or so called polypill. This contains five compartmentalised drugs with two independently controlled and well-defined release profiles. This polypil... Read More about 3D printing of five-in-one dose combination polypill with defined immediate and sustained release profiles.

3D chemical characterization of frozen hydrated hydrogels using ToF-SIMS with argon cluster sputter depth profiling (2015)
Journal Article
Taylor, M., Scurr, D., Lutolf, M., Buttery, L. D., Zelzer, M., & Alexander, M. R. (2015). 3D chemical characterization of frozen hydrated hydrogels using ToF-SIMS with argon cluster sputter depth profiling. Biointerphases, 11(2), Article 02A301. https://doi.org/10.1116/1.4928209

Hydrogels have been used extensively in bioengineering as artificial cell culture supports. Investigation of the interrelationship between cellular response to the hydrogel and its chemistry ideally requires methods that allow characterization withou... Read More about 3D chemical characterization of frozen hydrated hydrogels using ToF-SIMS with argon cluster sputter depth profiling.

A defined synthetic substrate for serum-free culture of human stem cell derived cardiomyocytes with improved functional maturity identified using combinatorial materials microarrays (2015)
Journal Article
Patel, A. K., Celiz, A. D., Rajamohan, D., Anderson, D. G., Langer, R., Davies, M. C., …Denning, C. (2015). A defined synthetic substrate for serum-free culture of human stem cell derived cardiomyocytes with improved functional maturity identified using combinatorial materials microarrays. Biomaterials, 61, https://doi.org/10.1016/j.biomaterials.2015.05.019

Cardiomyocytes from human stem cells have applications in regenerative medicine and can provide models for heart disease and toxicity screening. Soluble components of the culture system such as growth factors within serum and insoluble components suc... Read More about A defined synthetic substrate for serum-free culture of human stem cell derived cardiomyocytes with improved functional maturity identified using combinatorial materials microarrays.

Single-Cell Analysis: Visualizing Pharmaceutical and Metabolite Uptake in Cells with Label-Free 3D Mass Spectrometry Imaging (2015)
Journal Article
Passarelli, M. K., Newman, C. F., Marshall, P. S., West, A., Gilmore, I. S., Bunch, J., …Dollery, C. T. (2015). Single-Cell Analysis: Visualizing Pharmaceutical and Metabolite Uptake in Cells with Label-Free 3D Mass Spectrometry Imaging. Analytical Chemistry, 87(13), 6696-6702. https://doi.org/10.1021/acs.analchem.5b00842

Detecting metabolites and parent compound within a cell type is now a priority for pharmaceutical development. In this context, three-dimensional secondary ion mass spectrometry (SIMS) imaging was used to investigate the cellular uptake of the antiar... Read More about Single-Cell Analysis: Visualizing Pharmaceutical and Metabolite Uptake in Cells with Label-Free 3D Mass Spectrometry Imaging.

Discovery of a Novel Polymer for Human Pluripotent Stem Cell Expansion and Multilineage Differentiation (2015)
Journal Article
Smith, J. G. W., Celiz, A. D., Smith, J. G., Patel, A. K., Hook, A. L., Rajamohan, D., …Alexander, M. R. (2015). Discovery of a Novel Polymer for Human Pluripotent Stem Cell Expansion and Multilineage Differentiation. Advanced Materials, 27(27), 4006-4012. https://doi.org/10.1002/adma.201501351

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. A scalable and cost-effective synthetic polymer substrate that supports robust expansion and subsequent multilineage differentiation of human pluripotent stem cells (hPSCs) with defined commercial... Read More about Discovery of a Novel Polymer for Human Pluripotent Stem Cell Expansion and Multilineage Differentiation.

Authentication of processed meat products by peptidomic analysis using rapid ambient mass spectrometry (2015)
Journal Article
Montowska, M., Alexander, M. R., Tucker, G. A., & Barrett, D. A. (2015). Authentication of processed meat products by peptidomic analysis using rapid ambient mass spectrometry. Food Chemistry, 187, https://doi.org/10.1016/j.foodchem.2015.04.078

We present the application of a novel ambient LESA-MS method for the authentication of processed meat products. A set of 25 species and protein-specific heat stable peptide markers has been detected in processed samples manufactured from beef, pork,... Read More about Authentication of processed meat products by peptidomic analysis using rapid ambient mass spectrometry.