Outputs (55)

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., …Alexander, M. R. (in press). Spatially resolved molecular analysis of host response to medical device implantation using the 3D OrbiSIMS highlights a critical role for lipids. Advanced Science, https://doi.org/10.1101/2023.08.18.553860

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

Targeted intradermal delivery of alpha-arbutin-loaded dissolving polymeric microneedles visualized by three-dimensional Orbitrap secondary ion mass spectrometry (3D OrbiSIMS) (2024)
Journal Article
Li, Z., Marlow, M., Scurr, D., & Zhu, Z. (2024). Targeted intradermal delivery of alpha-arbutin-loaded dissolving polymeric microneedles visualized by three-dimensional Orbitrap secondary ion mass spectrometry (3D OrbiSIMS). European Journal of Pharmaceutics and Biopharmaceutics, 196, Article 114181. https://doi.org/10.1016/j.ejpb.2024.114181

Hyperpigmentation, a prevalent dermatological condition characterized by melanin overproduction, poses treatment challenges due to the hydrophilicity of alpha-arbutin, a widely utilized tyrosinase inhibitor. This study investigates... Read More about Targeted intradermal delivery of alpha-arbutin-loaded dissolving polymeric microneedles visualized by three-dimensional Orbitrap secondary ion mass spectrometry (3D OrbiSIMS).

Toward Comprehensive Analysis of the 3D Chemistry of Pseudomonas aeruginosa Biofilms (2023)
Journal Article
Kotowska, A. M., Zhang, J., Carabelli, A., Watts, J., Aylott, J. W., Gilmore, I. S., …Alexander, M. R. (2023). Toward Comprehensive Analysis of the 3D Chemistry of Pseudomonas aeruginosa Biofilms. Analytical Chemistry, 95(49), 18287-18294. https://doi.org/10.1021/acs.analchem.3c04443

Bacterial biofilms are structured communities consisting of cells enmeshed in a self-generated extracellular matrix usually attached to a surface. They contain diverse classes of molecules including polysaccharides, lipids, proteins, nucleic acids, a... Read More about Toward Comprehensive Analysis of the 3D Chemistry of Pseudomonas aeruginosa Biofilms.

Sustained Release of Dexamethasone from 3D-Printed Scaffolds Modulates Macrophage Activation and Enhances Osteogenic Differentiation (2023)
Journal Article
Majrashi, M., Yang, J., Ghaemmaghami, A., Kotowska, A., Hicks, J. M., & Scurr, D. (2023). Sustained Release of Dexamethasone from 3D-Printed Scaffolds Modulates Macrophage Activation and Enhances Osteogenic Differentiation. ACS Applied Materials and Interfaces, 15(49), 56623–56638. https://doi.org/10.1021/acsami.3c09774

Enhancing osteogenesis via modulating immune cells is emerging as a new approach to address current challenges in repairing bone defects and fractures. However, much remains unknown about the crosstalk between immune cells and osteolineage cells duri... Read More about Sustained Release of Dexamethasone from 3D-Printed Scaffolds Modulates Macrophage Activation and Enhances Osteogenic Differentiation.

Dissociative Host-Dopant Bonding Facilitates Molecular Doping in Halide Perovskites (2023)
Journal Article
Lanzetta, L., Gregori, L., Hernandez, L. H., Sharma, A., Kern, S., Kotowska, A. M., …Baran, D. (2023). Dissociative Host-Dopant Bonding Facilitates Molecular Doping in Halide Perovskites. ACS Energy Letters, 8, 2858-2867. https://doi.org/10.1021/acsenergylett.3c00818

Molecular doping is a promising strategy to fine-tune the electronic properties of halide perovskites and accelerate their implementation as next-generation optoelectronics. However, a deeper understanding of the role of host-dopant interactions in t... Read More about Dissociative Host-Dopant Bonding Facilitates Molecular Doping in Halide Perovskites.

Development of biocide coated polymers and their antimicrobial efficacy (2023)
Journal Article
Watson, R., Maxwell, M., Dunn, S., Brooks, A., Jiang, L., Hill, H. J., …de Cogan, F. (2023). Development of biocide coated polymers and their antimicrobial efficacy. Nano Select, 4(7), 442-453. https://doi.org/10.1002/nano.202300005

Microbial contamination of plastic surfaces is a significant source of hospital‐acquired infections. To produce antimicrobial surfaces, chlorhexidine was attached to nitrided acrylonitrile butadiene styrene (ABS). The uniformity of chlorhexidine dist... Read More about Development of biocide coated polymers and their antimicrobial efficacy.

Untargeted Metabolomic Characterization of Glioblastoma Intra-Tumor Heterogeneity Using OrbiSIMS (2023)
Journal Article
He, W., Edney, M. K., Paine, S. M. L., Griffiths, R. L., Scurr, D. J., Rahman, R., & Kim, D. (2023). Untargeted Metabolomic Characterization of Glioblastoma Intra-Tumor Heterogeneity Using OrbiSIMS. Analytical Chemistry, 95(14), 5994-6001. https://doi.org/10.1021/acs.analchem.2c05807

Glioblastoma (GBM) is an incurable brain cancer with a median survival of less than two years from diagnosis. The standard treatment of GBM is multimodality therapy comprising surgical resection, radiation, and chemotherapy. However, prognosis remain... Read More about Untargeted Metabolomic Characterization of Glioblastoma Intra-Tumor Heterogeneity Using OrbiSIMS.

Design, Synthesis, and Biological Evaluation of Novel Hybrids Containing Dihydrochalcone as Tyrosinase Inhibitors to Treat Skin Hyperpigmentation (2023)
Journal Article
Xue, S., Li, Z., Ze, X., Wu, X., He, C., Shuai, W., …Xu, S. (2023). Design, Synthesis, and Biological Evaluation of Novel Hybrids Containing Dihydrochalcone as Tyrosinase Inhibitors to Treat Skin Hyperpigmentation. Journal of Medicinal Chemistry, 66(7), 5099–5117. https://doi.org/10.1021/acs.jmedchem.3c00012

Excessive melanin deposition may lead to a series of skin disorders. The production of melanin is carried out by melanocytes, in which the enzyme tyrosinase performs a key role. In this work, we identified a series of novel tyrosinase inhibitor hybri... Read More about Design, Synthesis, and Biological Evaluation of Novel Hybrids Containing Dihydrochalcone as Tyrosinase Inhibitors to Treat Skin Hyperpigmentation.

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.

Development of nanoparticle loaded microneedles for drug delivery to a brain tumour resection site (2022)
Journal Article
Muresan, P., McCrorie, P., Smith, F., Vasey, C., Taresco, V., Scurr, D. J., …Marlow, M. (2023). Development of nanoparticle loaded microneedles for drug delivery to a brain tumour resection site. European Journal of Pharmaceutics and Biopharmaceutics, 182, 53-61. https://doi.org/10.1016/j.ejpb.2022.11.016

Systemic drug delivery to the central nervous system (CNS) has been historically impeded by the presence of the blood brain barrier rendering many therapies inefficacious to any cancer cells residing within the brain. Therefore, local drug delivery s... Read More about Development of nanoparticle loaded microneedles for drug delivery to a brain tumour resection site.