All Outputs (56)

Controlling the physical dimensions of peptide nanotubes by supramolecular polymer coassembly (2016)
Journal Article
Adler-Abramovich, L., Marco, P., Arnon, Z. A., Creasey, R. C., Michaels, T. C., Levin, A., …Gazit, E. (2016). Controlling the physical dimensions of peptide nanotubes by supramolecular polymer coassembly. ACS Nano, 10(8), 7436-7442. https://doi.org/10.1021/acsnano.6b01587

Molecular self-assembly of peptides into ordered nanotubes is highly important for various technological applications. Very short peptide building blocks, as short as dipeptides, can form assemblies with unique mechanical, optical, piezoelectric, and... Read More about Controlling the physical dimensions of peptide nanotubes by supramolecular polymer coassembly.

Age-related changes to human stratum corneum lipids detected using time-of-flight secondary ion mass spectrometry following in vivo sampling (2016)
Journal Article
Starr, N. J., Johnson, D. J., Wibawa, J., Marlow, I., Bell, M., Barrett, D. A., & Scurr, D. J. (2016). Age-related changes to human stratum corneum lipids detected using time-of-flight secondary ion mass spectrometry following in vivo sampling. Analytical Chemistry, 88(8), 4400-4408. https://doi.org/10.1021/acs.analchem.5b04872

This work demonstrates the ability to detect changes in both quantity and spatial distribution of human stratum corneum (SC) lipids from samples collected in vivo. The SC functions as the predominant barrier to the body, protecting against the penetr... Read More about Age-related changes to human stratum corneum lipids detected using time-of-flight secondary ion mass spectrometry following in vivo sampling.

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.

Multivariate analysis of 3D ToF-SIMS images: method validation and application to cultured neuronal networks (2015)
Journal Article
Van Nuffel, S., Parmenter, C. D., Scurr, D. J., Russell, N. A., & Zelzer, M. (in press). Multivariate analysis of 3D ToF-SIMS images: method validation and application to cultured neuronal networks. Analyst, 141(1), https://doi.org/10.1039/c5an01743b

Advanced data analysis tools are crucial for the application of ToF-SIMS analysis to biological samples. Here, we demonstrate that by using a training set approach principal components analysis (PCA) can be performed on large 3D ToF-SIMS images of ne... Read More about Multivariate analysis of 3D ToF-SIMS images: method validation and application to cultured neuronal networks.

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.

Multivariate ToF-SIMS image analysis of polymer microarrays and protein adsorption (2015)
Journal Article
Hook, A. L., Williams, P. M., Alexander, M. R., & Scurr, D. J. (2015). Multivariate ToF-SIMS image analysis of polymer microarrays and protein adsorption. Biointerphases, 10, Article 019005. https://doi.org/10.1116/1.4906484

The complexity of hyperspectral time of flight secondary ion mass spectrometry (ToF-SIMS) datasets makes their subsequent analysis and interpretation challenging, and is often an impasse to the identification of trends and differences within large sa... Read More about Multivariate ToF-SIMS image analysis of polymer microarrays and protein adsorption.

The Influence of Spray-Drying Parameters on Phase Behavior, Drug Distribution, and In Vitro Release of Injectable Microspheres for Sustained Release (2015)
Journal Article
Roberts, C., Meeus, J., Lenaerts, M., Scurr, D. J., Amssoms, K., Davies, M. C., & Van den mooter, G. (2015). The Influence of Spray-Drying Parameters on Phase Behavior, Drug Distribution, and In Vitro Release of Injectable Microspheres for Sustained Release. Journal of Pharmaceutical Sciences, 104(4), 1451-1460. doi:10.1002/jps.24361

Biomaterial modification of urinary catheters with antimicrobials to give long-term broadspectrum antibiofilm activity (2015)
Journal Article
Fisher, L. E., Hook, A. L., Ashraf, W., Yousef, A., Barrett, D. A., Scurr, D. J., …Bayston, R. (2015). Biomaterial modification of urinary catheters with antimicrobials to give long-term broadspectrum antibiofilm activity. Journal of Controlled Release, 202, 57-64. https://doi.org/10.1016/j.jconrel.2015.01.037

© 2015 Published by Elsevier B.V. Catheter-associated urinary tract infection (CAUTI) is the commonest hospital-acquired infection, accounting for over 100,000 hospital admissions within the USA annually. Biomaterials and processes intended to reduce... Read More about Biomaterial modification of urinary catheters with antimicrobials to give long-term broadspectrum antibiofilm activity.

In vivo evaluation of different formulation strategies for sustained release injectables of a poorly soluble HIV protease inhibitor (2014)
Journal Article
Wuyts, K., Meeus, J., Muees, J., Scurr, D. J., Amssoms, K., Annaert, P., …Van den Mooter, G. (2015). In vivo evaluation of different formulation strategies for sustained release injectables of a poorly soluble HIV protease inhibitor. Journal of Controlled Release, 199, 1-9. https://doi.org/10.1016/j.jconrel.2014.11.020

At present no scientific rationale exists for selecting a particular enabling strategy to formulate a poorly water-soluble drug, although this is crucial as it will influence the in vivo performance of the resulting formulation. This study provides a... Read More about In vivo evaluation of different formulation strategies for sustained release injectables of a poorly soluble HIV protease inhibitor.

Combination of (M)DSC and Surface Analysis to Study the Phase Behaviour and Drug Distribution of Ternary Solid Dispersions (2014)
Journal Article
Meeus, J., Scurr, D. J., Chen, X., Amssoms, K., Davies, M. C., Roberts, C. J., & Mooter, G. V. D. (2015). Combination of (M)DSC and Surface Analysis to Study the Phase Behaviour and Drug Distribution of Ternary Solid Dispersions. Pharmaceutical Research, 32(4), 1407-1416. https://doi.org/10.1007/s11095-014-1543-8

Purpose: Miscibility of the different compounds that make up a solid dispersion based formulation play a crucial role in the drug release profile and physical stability of the solid dispersion as it defines the phase behaviour of the dispersion. The... Read More about Combination of (M)DSC and Surface Analysis to Study the Phase Behaviour and Drug Distribution of Ternary Solid Dispersions.

Spectroscopic Studies of Internal Injector Deposits (IDID) Resulting from the Use of Non-Commercial Low Molecular Weight Polyisobutylenesuccinimide (PIBSI) (2014)
Journal Article
Barker, J., Reid, J., Snape, C., Scurr, D., & Meredith, W. (2014). Spectroscopic Studies of Internal Injector Deposits (IDID) Resulting from the Use of Non-Commercial Low Molecular Weight Polyisobutylenesuccinimide (PIBSI). SAE International Journal of Fuels and Lubricants, 7(3), 762-770. https://doi.org/10.4271/2014-01-2720

Copyright © 2014 SAE International. Since 2009, there has been a rise in deposits of various types found in diesel fuel injection systems. They have been identified in the filter, the injector tip and recently inside the injector. The latter internal... Read More about Spectroscopic Studies of Internal Injector Deposits (IDID) Resulting from the Use of Non-Commercial Low Molecular Weight Polyisobutylenesuccinimide (PIBSI).

Injectable and porous PLGA microspheres that form highly porous scaffolds at body temperature (2014)
Journal Article
Qutachi, O., Vetch, J. R., Gill, D., Cox, H., Scurr, D. J., Hofmann, S., …Rahman, C. V. (2014). Injectable and porous PLGA microspheres that form highly porous scaffolds at body temperature. Acta Biomaterialia, 10(12), 5090-5098. https://doi.org/10.1016/j.actbio.2014.08.015

Injectable scaffolds are of interest in the field of regenerative medicine because of their minimally invasive mode of delivery. For tissue repair applications, it is essential that such scaffolds have the mechanical properties, porosity and pore dia... Read More about Injectable and porous PLGA microspheres that form highly porous scaffolds at body temperature.

High throughput screening for biomaterials discovery (2014)
Journal Article
Algahtani, M. S., Alexander, M., Scurr, D. J., Hook, A. L., Anderson, D. G., Langer, R. S., …Davies, M. C. (2014). High throughput screening for biomaterials discovery. Journal of Controlled Release, 190, 115-126. https://doi.org/10.1016/j.jconrel.2014.06.045

Using microarray technologies thousands of biomedical materials can be screened in a rapid, parallel and cost effective fashion to identify the optimum candidate that fulfils a specific biomedical application. High throughput surface characterization... Read More about High throughput screening for biomaterials discovery.

Thermally Switchable Polymers Achieve Controlled Escherichia coli Detachment (2014)
Journal Article
Hook, A. L., Chang, C., Scurr, D. J., Langer, R., Anderson, D. G., Williams, P., …Alexander, M. R. (2014). Thermally Switchable Polymers Achieve Controlled Escherichia coli Detachment. Advanced Healthcare Materials, 3(7), 1020-1025. https://doi.org/10.1002/adhm.201300518

The thermally triggered release of up to 96% of attached uropathogenic E. coli is achieved on two polymers with opposite changes in surface wettability upon reduction in temperature. This demonstrates that the bacterial attachment to a surface cannot... Read More about Thermally Switchable Polymers Achieve Controlled Escherichia coli Detachment.

Ambient DESI and LESA-MS analysis of proteins adsorbed to a biomaterial surface using in-situ surface tryptic digestion (2013)
Journal Article
Rao, W., Celiz, A. D., Scurr, D. J., Alexander, M. R., & Barrett, D. A. (2013). Ambient DESI and LESA-MS analysis of proteins adsorbed to a biomaterial surface using in-situ surface tryptic digestion. Journal of The American Society for Mass Spectrometry, 24(12), https://doi.org/10.1007/s13361-013-0737-3

The detection and identification of proteins adsorbed onto biomaterial surfaces under ambient conditions has significant experimental advantages but has proven to be difficult to achieve with conventional measuring technologies. In this study, we pre... Read More about Ambient DESI and LESA-MS analysis of proteins adsorbed to a biomaterial surface using in-situ surface tryptic digestion.

Strategies for MCR image analysis of large hyperspectral data-sets (2012)
Journal Article
Scurr, D. J., Hook, A. L., Burley, J., Williams, P. M., Anderson, D. G., Langer, R., …Alexander, M. R. (2012). Strategies for MCR image analysis of large hyperspectral data-sets. Surface and Interface Analysis, 45(1), https://doi.org/10.1002/sia.5040

Polymer microarrays are a key enabling technology for high throughput materials discovery. In this study, multivariate image analysis, specifically multivariate curve resolution (MCR), is applied to the hyperspectral time of flight secondary ion mass... Read More about Strategies for MCR image analysis of large hyperspectral data-sets.