All Outputs (33)

Modelled-Microgravity Reduces Virulence Factor Production in Staphylococcus aureus through Downregulation of agr-Dependent Quorum Sensing (2023)
Journal Article
Green, M. J., Murray, E. J., Williams, P., Ghaemmaghami, A. M., Aylott, J. W., & Williams, P. M. (2023). Modelled-Microgravity Reduces Virulence Factor Production in Staphylococcus aureus through Downregulation of agr-Dependent Quorum Sensing. International Journal of Molecular Sciences, 24(21), Article 15997. https://doi.org/10.3390/ijms242115997

Bacterial contamination during space missions is problematic for human health and damages filters and other vital support systems. Staphylococcus aureus is both a human commensal and an opportunistic pathogen that colonizes human tissues and causes a... Read More about Modelled-Microgravity Reduces Virulence Factor Production in Staphylococcus aureus through Downregulation of agr-Dependent Quorum Sensing.

Stimuli-Responsive Multifunctional Nanomedicine for Enhanced Glioblastoma Chemotherapy Augments Multistage Blood-to-Brain Trafficking and Tumor Targeting (2023)
Journal Article
Martins, C., Araújo, M., Malfanti, A., Pacheco, C., Smith, S. J., Ucakar, B., …Sarmento, B. (in press). Stimuli-Responsive Multifunctional Nanomedicine for Enhanced Glioblastoma Chemotherapy Augments Multistage Blood-to-Brain Trafficking and Tumor Targeting. Small, Article 2300029. https://doi.org/10.1002/smll.202300029

Minimal therapeutic advances have been achieved over the past two decades for glioblastoma (GBM), which remains an unmet clinical need. Here, hypothesis-driven stimuli-responsive nanoparticles (NPs) for docetaxel (DTX) delivery to GBM are reported, w... Read More about Stimuli-Responsive Multifunctional Nanomedicine for Enhanced Glioblastoma Chemotherapy Augments Multistage Blood-to-Brain Trafficking and Tumor Targeting.

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., …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.

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.

Effect of Excipients on Salt Disproportionation during Dissolution: A Novel Application of In Situ Raman Imaging (2021)
Journal Article
Abouselo, A., Rance, G. A., Tres, F., Taylor, L. S., Kwokal, A., Renou, L., …Aylott, J. W. (2021). Effect of Excipients on Salt Disproportionation during Dissolution: A Novel Application of In Situ Raman Imaging. Molecular Pharmaceutics, 18(9), 3247-3259. https://doi.org/10.1021/acs.molpharmaceut.1c00119

We have employed a bespoke setup combining confocal Raman microscopy and an ultraviolet–visible (UV–Vis) spectroscopy flow cell to investigate the effect of excipients on the disproportionation kinetics of Pioglitazone HCl (PioHCl) in tablets during... Read More about Effect of Excipients on Salt Disproportionation during Dissolution: A Novel Application of In Situ Raman Imaging.

Immunity in space: prokaryote adaptations and immune response in microgravity (2021)
Journal Article
Green, M. J., Aylott, J. W., Williams, P., Ghaemmaghami, A. M., & Williams, P. M. (2021). Immunity in space: prokaryote adaptations and immune response in microgravity. Life, 11(2), Article 112. https://doi.org/10.3390/life11020112

Immune dysfunction has long been reported by medical professionals regarding astronauts suffering from opportunistic infections both during their time in space and a short period afterwards once back on Earth. Various species of prokaryotes onboard t... Read More about Immunity in space: prokaryote adaptations and immune response in microgravity.

Protein identification by 3D OrbiSIMS to facilitate in situ imaging and depth profiling (2020)
Journal Article
Kotowska, A. M., Trindade, G. F., Mendes, P. M., Williams, P. M., Aylott, J. W., Shard, A. G., …Scurr, D. J. (2020). Protein identification by 3D OrbiSIMS to facilitate in situ imaging and depth profiling. Nature Communications, 11(1), Article 5832. https://doi.org/10.1038/s41467-020-19445-x

Label-free protein characterization at surfaces is commonly achieved using digestion and/or matrix application prior to mass spectrometry. We report the assignment of undigested proteins at surfaces in situ using secondary ion mass spectrometry (SIMS... Read More about Protein identification by 3D OrbiSIMS to facilitate in situ imaging and depth profiling.

Advancements in the co-formulation of biologic therapeutics (2020)
Journal Article
Chauhan, V. M., Zhang, H., Dalby, P. A., & Aylott, J. W. (2020). Advancements in the co-formulation of biologic therapeutics. Journal of Controlled Release, 327, 397-405. https://doi.org/10.1016/j.jconrel.2020.08.013

Mass transport of lipopolysaccharide induced H<inf>2</inf>O<inf>2</inf> detected by an intracellular carbon nanoelectrode sensor (2020)
Journal Article
Hicks, J., Silman, N. J., Jackson, S., Aylott, J., & Rawson, F. (2020). Mass transport of lipopolysaccharide induced H2O2 detected by an intracellular carbon nanoelectrode sensor. Bioelectrochemistry, 135, Article 107547. https://doi.org/10.1016/j.bioelechem.2020.107547

Hydrogen peroxide is a key component of the innate immune response, regulating how a cell responds to a bacterial threat; however, being transient in nature makes it extremely difficult to detect. We show the development of an improved biosensor capa... Read More about Mass transport of lipopolysaccharide induced H<inf>2</inf>O<inf>2</inf> detected by an intracellular carbon nanoelectrode sensor.

Facile Dye-Initiated Polymerization of Lactide–Glycolide Generates Highly Fluorescent Poly(lactic-co-glycolic Acid) for Enhanced Characterization of Cellular Delivery (2020)
Journal Article
Al-Natour, M. A., Yousif, M. D., Cavanagh, R., Abouselo, A., Apebende, E. A., Ghaemmaghami, A., …Alexander, C. (2020). Facile Dye-Initiated Polymerization of Lactide–Glycolide Generates Highly Fluorescent Poly(lactic-co-glycolic Acid) for Enhanced Characterization of Cellular Delivery. ACS Macro Letters, 9(3), 431-437. https://doi.org/10.1021/acsmacrolett.9b01014

Copyright © 2020 American Chemical Society. Poly(lactic-co-glycolic acid) (PLGA) is a versatile synthetic copolymer that is widely used in pharmaceutical applications. This is because it is well-tolerated in the body, and copolymers of varying physic... Read More about Facile Dye-Initiated Polymerization of Lactide–Glycolide Generates Highly Fluorescent Poly(lactic-co-glycolic Acid) for Enhanced Characterization of Cellular Delivery.

Intracellular processing of silica-coated superparamagnetic iron nanoparticles in human mesenchymal stem cells (2019)
Journal Article
Harrison, R. P., Chauhan, V. M., Onion, D., Aylott, J. W., & Sottile, V. (2019). Intracellular processing of silica-coated superparamagnetic iron nanoparticles in human mesenchymal stem cells. RSC Advances, 9(6), 3176-3184. https://doi.org/10.1039/C8RA09089K

Silica-coated Superparamagnetic Iron Nanoparticles (SiMAGs) are an exciting biomedical technology capable of targeted delivery of cell-based therapeutics and disease diagnosis. However, in order to realise their full clinical potential, their intrace... Read More about Intracellular processing of silica-coated superparamagnetic iron nanoparticles in human mesenchymal stem cells.

New generation of bioreactors that advance extracellular matrix modelling and tissue engineering (2018)
Journal Article
Ahmed, S., Chauhan, V. M., Ghaemmaghami, A. M., & Aylott, J. W. (2019). New generation of bioreactors that advance extracellular matrix modelling and tissue engineering. Biotechnology Letters, 41(1), 1–25. https://doi.org/10.1007/s10529-018-2611-7

Bioreactors hold a lot of promise for tissue engineering and regenerative medicine applications. They have multiple uses including cell cultivation for therapeutic production and for in vitro organ modelling to provide a more physiologically relevant... Read More about New generation of bioreactors that advance extracellular matrix modelling and tissue engineering.

Enhanced distance-dependent fluorescence quenching using size tuneable core shell silica nanoparticles (2018)
Journal Article
Elsutohy, M. M., Selo, A., Chauhan, V. M., Tendler, S. J., & Aylott, J. W. (2018). Enhanced distance-dependent fluorescence quenching using size tuneable core shell silica nanoparticles. RSC Advances, 8(62), 35840-35848. https://doi.org/10.1039/C8RA05929B

Silica nanoparticles (SNPs) have been used as favoured platforms for sensor, drug delivery and biological imaging applications, due to their ease of synthesis, size-control and bespoke physico-chemical properties. In this study, we have developed a p... Read More about Enhanced distance-dependent fluorescence quenching using size tuneable core shell silica nanoparticles.

Electrospun gelatin-based scaffolds as a novel 3D platform to study the function of contractile smooth muscle cells in vitro (2018)
Journal Article
Bridge, J. C., Amer, M. H., Morris, G. E., Martin, N., Player, D. J., Knox, A. J., Aylott, J. W., Lewis, M. P., & Rose, F. R. (2018). Electrospun gelatin-based scaffolds as a novel 3D platform to study the function of contractile smooth muscle cells in vitro. Biomedical Physics and Engineering Express, 4(4), Article 045039. https://doi.org/10.1088/2057-1976/aace8f

Contractile dysfunction of smooth muscle (SM) is a feature of chronic cardiovascular, respiratory and gastro-intestinal diseases. Owing to the low availability of human ex vivo tissue for the assessment of SM contractile function, the aim of this stu... Read More about Electrospun gelatin-based scaffolds as a novel 3D platform to study the function of contractile smooth muscle cells in vitro.

Development of a SERS strategy to overcome the nanoparticle stabilisation effect in serum-containing samples: Application to the quantification of dopamine in the culture medium of PC-12 cells (2018)
Journal Article
Dumont, E., De Bleye, C., Cailletaud, J., Sacre, P.-Y., Van Lerberghe, P.-B., Rogister, B., Rance, G., Aylott, J., Hubert, P., & Ziemons, E. (2018). Development of a SERS strategy to overcome the nanoparticle stabilisation effect in serum-containing samples: Application to the quantification of dopamine in the culture medium of PC-12 cells. Talanta, 186, https://doi.org/10.1016/j.talanta.2018.04.038

The analysis of serum samples by surface-enhanced Raman spectroscopy (SERS) has gained ground over the last years. However, the stabilisation of colloids by the proteins contained in these samples has restricted their use in common practice, unless a... Read More about Development of a SERS strategy to overcome the nanoparticle stabilisation effect in serum-containing samples: Application to the quantification of dopamine in the culture medium of PC-12 cells.

The physicochemical fingerprint of Necator americanus (2017)
Journal Article
Chauhan, V. M., Scurr, D. J., Christie, T., Telford, G., Aylott, J. W., & Pritchard, D. (in press). The physicochemical fingerprint of Necator americanus. PLoS Neglected Tropical Diseases, 11(12), Article e0005971. https://doi.org/10.1371/journal.pntd.0005971

Necator americanus, a haematophagous hookworm parasite, infects ~10% of the world’s population and is considered to be a significant public health risk. Its lifecycle has distinct stages, permitting its successful transit from the skin via the lungs... Read More about The physicochemical fingerprint of Necator americanus.

Tailoring the electrochemical properties of carbon nanotube modified indium tin oxide via in situ grafting of aryl diazonium (2017)
Journal Article
Wong, Z. Y., Scurr, D. J., Silman, N., Jackson, S. K., Mendes, P. M., Aylott, J. W., …Hicks, J. (2017). Tailoring the electrochemical properties of carbon nanotube modified indium tin oxide via in situ grafting of aryl diazonium. Langmuir, 33(20), 4924-4933. https://doi.org/10.1021/acs.langmuir.7b00494

Our ability to tailor the electronic properties of surfaces by nanomodification is paramount for various applications, including development of sensing, fuel cell, and solar technologies. Moreover, in order to improve the rational design of conductin... Read More about Tailoring the electrochemical properties of carbon nanotube modified indium tin oxide via in situ grafting of aryl diazonium.

Real-time measurement of the intracellular pH of yeast cells during glucose metabolism using ratiometric fluorescent nanosensors (2017)
Journal Article
Elsutohy, M. M., Chauhan, V. M., Markus, R., Kyyaly, M. A., Tendler, S. J., & Aylott, J. W. (2017). Real-time measurement of the intracellular pH of yeast cells during glucose metabolism using ratiometric fluorescent nanosensors. Nanoscale, 9(18), 5904-5911. https://doi.org/10.1039/c7nr00906b

Intracellular pH is a key parameter that influences many biochemical and metabolic pathways that can also be used as an indirect marker to monitor metabolic and intracellular processes. Herein, we utilise ratiometric fluorescent pH-sensitive nanosens... Read More about Real-time measurement of the intracellular pH of yeast cells during glucose metabolism using ratiometric fluorescent nanosensors.

Electrochemical communication with the inside of cells using micro-patterned vertical carbon nanofibre electrodes (2016)
Journal Article
Rawson, F. J., Cole, M., Aylott, J. W., Milne, W., Collins, C., Jackson, S. K., …Hicks, J. (in press). Electrochemical communication with the inside of cells using micro-patterned vertical carbon nanofibre electrodes. Scientific Reports, 6(37672), https://doi.org/10.1038/srep37672

With the rapidly increasing demands for ultrasensitive biodetection, the design and applications of new nano-scale materials for development of sensors based on optical and electrochemical transducers have attracted substantial interest. In particula... Read More about Electrochemical communication with the inside of cells using micro-patterned vertical carbon nanofibre electrodes.

Quadruple labelled dual oxygen and pH-sensitive ratiometric nanosensors (2016)
Journal Article
Chauhan, V. M., Giuntini, F., & Aylott, J. W. (2016). Quadruple labelled dual oxygen and pH-sensitive ratiometric nanosensors. Sensing and Bio-Sensing Research, 8, https://doi.org/10.1016/j.sbsr.2016.03.007

Nanosensors capable of simultaneously measuring dissolved oxygen concentrations from 0 to 100% saturation and pH over the full physiological range, from pH 3.5 to 7.5, that advance the methods towards understanding of key biological gradients, were s... Read More about Quadruple labelled dual oxygen and pH-sensitive ratiometric nanosensors.