All Outputs (64)

Metabolomic and Proteomic Analysis of ApoE4-Carrying H4 Neuroglioma Cells in Alzheimer’s Disease Using OrbiSIMS and LC-MS/MS (2024)
Journal Article
Lu, L., Kotowska, A. M., Kern, S., Fang, M., Rudd, T. R., Alexander, M. R., …Zhu, Z. (2024). Metabolomic and Proteomic Analysis of ApoE4-Carrying H4 Neuroglioma Cells in Alzheimer’s Disease Using OrbiSIMS and LC-MS/MS. Analytical Chemistry, https://doi.org/10.1021/acs.analchem.4c01201

Growing clinical evidence reveals that systematic molecular alterations in the brain occur 20 years before the onset of AD pathological features. Apolipoprotein E4 (ApoE4) is one of the most significant genetic risk factors for Alzheimer’s disease (A... Read More about Metabolomic and Proteomic Analysis of ApoE4-Carrying H4 Neuroglioma Cells in Alzheimer’s Disease Using OrbiSIMS and LC-MS/MS.

Spatially resolved molecular analysis of host response to medical device implantation using the 3D OrbiSIMS highlights a critical role for lipids (2024)
Journal Article
Suvannapruk, W., Fisher, L. E., Luckett, J. C., Edney, M. K., Kotowska, A. M., Kim, D. H., …Alexander, M. R. (2024). Spatially resolved molecular analysis of host response to medical device implantation using the 3D OrbiSIMS highlights a critical role for lipids. Advanced Science, 11(15), Article 2306000. https://doi.org/10.1002/advs.202306000

A key goal for implanted medical devices is that they do not elicit a detrimental immune response. Macrophages play critical roles in the modulation of the host immune response and are the cells responsible for persistent inflammatory reactions to im... Read More about Spatially resolved molecular analysis of host response to medical device implantation using the 3D OrbiSIMS highlights a critical role for lipids.

Optimization of diffuse Raman spectroscopy for in-vivo quantification of foreign body response in a small animal model (2023)
Journal Article
Dooley, M., Luckett, J., Alexander, M. R., Matousek, P., Dehghani, H., Ghaemmaghami, A. M., & Notingher, I. (2023). Optimization of diffuse Raman spectroscopy for in-vivo quantification of foreign body response in a small animal model. Biomedical Optics Express, 14(12), 6592-6606. https://doi.org/10.1364/boe.512118

Diffuse Raman spectroscopy (DRS) allows subsurface molecular analysis of optically turbid samples. Numerical modeling of light propagation was used as a method for improving the design of an DRS instrument to maximize the signal to noise ratio (SNR)... Read More about Optimization of diffuse Raman spectroscopy for in-vivo quantification of foreign body response in a small animal model.

Optimisation of diffuse Raman spectroscopy for in-vivo quantification of foreign body response in small animal model (2023)
Journal Article
Dooley, M., Luckett, J., Alexander, M. R., Matousek, P., Dehghani, H., Ghaemmaghami, A. M., & Notingher, I. (2023). Optimisation of diffuse Raman spectroscopy for in-vivo quantification of foreign body response in small animal model. Biomedical Optics Express, 14(12), 6592-6606. https://doi.org/10.1364/BOE.512118

Diffuse Raman spectroscopy (DRS) allows subsurface molecular analysis of optically turbid samples. Numerical modelling of light propagation was used as a method for improving the design of an DRS instrument to maximize the signal to noise ratio (SNR)... Read More about Optimisation of diffuse Raman spectroscopy for in-vivo quantification of foreign body response in small animal model.

A potential alternative to fungicides using actives-free (meth)acrylate polymers for protection of wheat crops from fungal attachment and infection (2023)
Journal Article
Crawford, L. A., Cuzzucoli Crucitti, V., Stimpson, A., Morgan, C., Blake, J., Wildman, R. D., …Avery, S. V. (2023). A potential alternative to fungicides using actives-free (meth)acrylate polymers for protection of wheat crops from fungal attachment and infection. Green Chemistry, 25(21), 8558-8569. https://doi.org/10.1039/d3gc01911j

Fungicidal compounds are actives widely used for crop protection from fungal infection, but they can also kill beneficial organisms, enter the food chain and promote resistant pathogen strains from overuse. Here we report the first field crop trial o... Read More about A potential alternative to fungicides using actives-free (meth)acrylate polymers for protection of wheat crops from fungal attachment and infection.

Identification of Pseudomonas aeruginosa exopolysaccharide Psl in biofilms using 3D OrbiSIMS (2023)
Journal Article
Khateb, H., Hook, A. L., Kern, S., Watts, J. A., Singh, S., Jackson, D., …Alexander, M. R. (2023). Identification of Pseudomonas aeruginosa exopolysaccharide Psl in biofilms using 3D OrbiSIMS. Biointerphases, 18(3), Article 031007. https://doi.org/10.1116/6.0002604

Secondary ion mass spectrometry (SIMS) offers advantages over both liquid extraction mass spectrometry and matrix assisted laser desorption mass spectrometry in that it provides the direct in situ analysis of molecules and has the potential to preser... Read More about Identification of Pseudomonas aeruginosa exopolysaccharide Psl in biofilms using 3D OrbiSIMS.

Linear Binary Classifier to Predict Bacterial Biofilm Formation on Polyacrylates (2023)
Journal Article
Contreas, L., Hook, A. L., Winkler, D. A., Figueredo, G., Williams, P., Laughton, C. A., …Williams, P. M. (2023). Linear Binary Classifier to Predict Bacterial Biofilm Formation on Polyacrylates. ACS Applied Materials and Interfaces, 15(11), 14155-14163. https://doi.org/10.1021/acsami.2c23182

Bacterial infections are increasingly problematic due to the rise of antimicrobial resistance. Consequently, the rational design of materials naturally resistant to biofilm formation is an important strategy for preventing medical device-associated i... Read More about Linear Binary Classifier to Predict Bacterial Biofilm Formation on Polyacrylates.

Exploring the Relationship between Polymer Surface Chemistry and Bacterial Attachment Using ToF-SIMS and Self-Organizing maps (2023)
Journal Article
Wong, S. Y., Hook, A. L., Gardner, W., Chang, C., Mei, Y., Davies, M. C., …Pigram, P. J. (2023). Exploring the Relationship between Polymer Surface Chemistry and Bacterial Attachment Using ToF-SIMS and Self-Organizing maps. Advanced Materials Interfaces, 10(9), Article 2202334. https://doi.org/10.1002/admi.202202334

Biofilm formation is a major cause of hospital-acquired infections. Research into biofilm-resistant materials is therefore critical to reduce the frequency of these events. Polymer microarrays offer a high-throughput approach to enable the efficient... Read More about Exploring the Relationship between Polymer Surface Chemistry and Bacterial Attachment Using ToF-SIMS and Self-Organizing maps.

Identifying new biomarkers of aggressive Group 3 and SHH medulloblastoma using 3D hydrogel models, single cell RNA sequencing and 3D OrbiSIMS imaging (2023)
Journal Article
Linke, F., Johnson, J. E. C., Kern, S., Bennett, C. D., Lourdusamy, A., Lea, D., …Coyle, B. (2023). Identifying new biomarkers of aggressive Group 3 and SHH medulloblastoma using 3D hydrogel models, single cell RNA sequencing and 3D OrbiSIMS imaging. Acta Neuropathologica Communications, 11(1), Article 6. https://doi.org/10.1186/s40478-022-01496-4

The most common malignant brain tumour in children, medulloblastoma (MB), is subdivided into four clinically relevant molecular subgroups, although targeted therapy options informed by understanding of different cellular features are lacking. Here, b... Read More about Identifying new biomarkers of aggressive Group 3 and SHH medulloblastoma using 3D hydrogel models, single cell RNA sequencing and 3D OrbiSIMS imaging.

Microparticles Decorated with Cell‐Instructive Surface Chemistries Actively Promote Wound Healing (2022)
Journal Article
Latif, A., Fisher, L. E., Dundas, A. A., Crucitti, V. C., Imir, Z., Lawler, K., …Ghaemmaghami, A. M. (2022). Microparticles Decorated with Cell‐Instructive Surface Chemistries Actively Promote Wound Healing. Advanced Materials, Article 2208364. https://doi.org/10.1002/adma.202208364

Wound healing is a complex biological process involving close crosstalk between various cell types. Dysregulation in any of these processes, such as in diabetic wounds, results in chronic nonhealing wounds. Fibroblasts are a critical cell type involv... Read More about Microparticles Decorated with Cell‐Instructive Surface Chemistries Actively Promote Wound Healing.

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.

Feature importance in machine learning models: A fuzzy information fusion approach (2022)
Journal Article
Rengasamy, D., Mase, J. M., Kumar, A., Rothwell, B., Torres, M. T., Alexander, M. R., …Figueredo, G. P. (2022). Feature importance in machine learning models: A fuzzy information fusion approach. Neurocomputing, 511, 163-174. https://doi.org/10.1016/j.neucom.2022.09.053

With the widespread use of machine learning to support decision-making, it is increasingly important to verify and understand the reasons why a particular output is produced. Although post-training feature importance approaches assist this interpreta... Read More about Feature importance in machine learning models: A fuzzy information fusion approach.

Single-Cell Metabolic Profiling of Macrophages Using 3D OrbiSIMS: Correlations with Phenotype (2022)
Journal Article
Suvannapruk, W., Edney, M. K., Kim, D., Scurr, D. J., Ghaemmaghami, A. M., & Alexander, M. R. (2022). Single-Cell Metabolic Profiling of Macrophages Using 3D OrbiSIMS: Correlations with Phenotype. Analytical Chemistry, 94(26), 9389–9398. https://doi.org/10.1021/acs.analchem.2c01375

Macrophages are important immune cells that respond to environmental cues acquiring a range of activation statuses represented by pro-inflammatory (M1) and anti-inflammatory (M2) phenotypes at each end of their spectrum. Characterizing the metabolic... Read More about Single-Cell Metabolic Profiling of Macrophages Using 3D OrbiSIMS: Correlations with Phenotype.

Utilising micron scale 3D printed morphologies for particle adhesion reduction (2022)
Journal Article
Marsh, G. E., Bunker, M. J., Alexander, M. R., Wildman, R. D., Nicholas, M., & Roberts, C. J. (2022). Utilising micron scale 3D printed morphologies for particle adhesion reduction. Powder Technology, 404, Article 117418. https://doi.org/10.1016/j.powtec.2022.117418

In the pharmaceutical industry, the ability to improve the understanding of the effect of surface roughness on interparticulate interactions is critical. Dry powder inhalers often possess poor efficiency, as the powder formulations are inherently adh... Read More about Utilising micron scale 3D printed morphologies for particle adhesion reduction.

Molecular Formula Prediction for Chemical Filtering of 3D OrbiSIMS Datasets (2022)
Journal Article
Edney, M. K., Kotowska, A. M., Spanu, M., Trindade, G. F., Wilmot, E., Reid, J., …Scurr, D. J. (2022). Molecular Formula Prediction for Chemical Filtering of 3D OrbiSIMS Datasets. Analytical Chemistry, 94(11), 4703–4711. https://doi.org/10.1021/acs.analchem.1c04898

Modern mass spectrometry techniques produce a wealth of spectral data, and although this is an advantage in terms of the richness of the information available, the volume and complexity of data can prevent a thorough interpretation to reach useful co... Read More about Molecular Formula Prediction for Chemical Filtering of 3D OrbiSIMS Datasets.

Efficacy of antimicrobial and anti-viral coated air filters to prevent the spread of airborne pathogens (2022)
Journal Article
Watson, R., Oldfield, M., Bryant, J. A., Riordan, L., Hill, H. J., Watts, J. A., …de Cogan, F. (2022). Efficacy of antimicrobial and anti-viral coated air filters to prevent the spread of airborne pathogens. Scientific Reports, 12(1), Article 2803. https://doi.org/10.1038/s41598-022-06579-9

The COVID-19 pandemic has demonstrated the real need for mechanisms to control the spread of airborne respiratory pathogens. Thus, preventing the spread of disease from pathogens has come to the forefront of the public consciousness. This has brought... Read More about Efficacy of antimicrobial and anti-viral coated air filters to prevent the spread of airborne pathogens.

Quantifiable correlation of ToF-SIMS and XPS data from polymer surfaces with controlled amino acid and peptide content (2022)
Journal Article
Taylor, M., Simoes, F., Smith, J., Genapathy, S., Canning, A., Lledos, M., …Zelzer, M. (2022). Quantifiable correlation of ToF-SIMS and XPS data from polymer surfaces with controlled amino acid and peptide content. Surface and Interface Analysis, 54(4), 417-432. https://doi.org/10.1002/sia.7052

Peptide-coated surfaces are widely employed in biomaterial design, but quantifiable correlation between surface composition and biological response is challenging due to, for example, instrumental limitations, a lack of suitable model surfaces or lim... Read More about Quantifiable correlation of ToF-SIMS and XPS data from polymer surfaces with controlled amino acid and peptide content.

Ink-jet 3D printing as a strategy for developing bespoke non-eluting biofilm resistant medical devices (2021)
Journal Article
He, Y., Luckett, J., Begines, B., Dubern, J. F., Hook, A. L., Prina, E., …Wildman, R. D. (2022). Ink-jet 3D printing as a strategy for developing bespoke non-eluting biofilm resistant medical devices. Biomaterials, 281, Article 121350. https://doi.org/10.1016/j.biomaterials.2021.121350

Chronic infection as a result of bacterial biofilm formation on implanted medical devices is a major global healthcare problem requiring new biocompatible, biofilm-resistant materials. Here we demonstrate how bespoke devices can be manufactured throu... Read More about Ink-jet 3D printing as a strategy for developing bespoke non-eluting biofilm resistant medical devices.

Immune-instructive materials as new tools for immunotherapy (2021)
Journal Article
Fisher, L. E., Kämmerling, L., Alexander, M. R., & Ghaemmaghami, A. M. (2022). Immune-instructive materials as new tools for immunotherapy. Current Opinion in Biotechnology, 74, 194-203. https://doi.org/10.1016/j.copbio.2021.11.005

Immune instructive materials, are materials with the ability to modulate or mimic the function of immune cells, provide exciting opportunities for developing new therapies in many areas including medical devices, chronic inflammation, cancer, and aut... Read More about Immune-instructive materials as new tools for immunotherapy.

Customisable Tablet Printing: The Development of Multimaterial Hot Melt Inkjet 3D Printing to Produce Complex and Personalised Dosage Forms (2021)
Journal Article
Lion, A., Wildman, R. D., Alexander, M. R., & Roberts, C. J. (2021). Customisable Tablet Printing: The Development of Multimaterial Hot Melt Inkjet 3D Printing to Produce Complex and Personalised Dosage Forms. Pharmaceutics, 13(10), Article 1679. https://doi.org/10.3390/pharmaceutics13101679

One of the most striking characteristics of 3D printing is its capability to produce multi-material objects with complex geometry. In pharmaceutics this translates to the possibility of dosage forms with multi-drug loading, tailored dosing and releas... Read More about Customisable Tablet Printing: The Development of Multimaterial Hot Melt Inkjet 3D Printing to Produce Complex and Personalised Dosage Forms.