John Tomes
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View article: Extending Polymer Opal Structural Color Properties into the Near-Infrared
Extending Polymer Opal Structural Color Properties into the Near-Infrared Open
We report the fabrication and characterisation of near-IR reflecting films and coatings based on shear-assembled crystalline ensembles of polymer composite microspheres, also known as “polymer opals”. Extension of the emulsion polymerisati…
View article: High-Angle Structural Color Scattering Features from Polymeric Photonic Structures
High-Angle Structural Color Scattering Features from Polymeric Photonic Structures Open
Three-dimensional goniometric measurements of structural color from melt-sheared polymer nanoparticle composites is presented revealing high-angle features arising from Bragg scattering. These features are presented in terms of ‘scattering…
View article: Transparent Polymer Opal Thin Films with Intense UV Structural Color
Transparent Polymer Opal Thin Films with Intense UV Structural Color Open
We report on shear-ordered polymer photonic crystals demonstrating intense structural color with a photonic bandgap at 270 nm. Our work examines this UV structural color, originating from a low refractive index contrast polymer composite s…
View article: Spectroscopic Ellipsometry and Optical Modelling of Structurally Colored Opaline Thin-Films
Spectroscopic Ellipsometry and Optical Modelling of Structurally Colored Opaline Thin-Films Open
The method of spectroscopic ellipsometry is applied to complex periodic nanomaterials, consisting of shear-ordered polymeric nanosphere composites, with intense resonant structural color. A corresponding multilayer optical quasi-model of t…
View article: Evidence of Immune Modulators in the Secretome of the Equine Tapeworm Anoplocephala perfoliata
Evidence of Immune Modulators in the Secretome of the Equine Tapeworm Anoplocephala perfoliata Open
Anoplocephala perfoliata is a neglected gastro-intestinal tapeworm, commonly infecting horses worldwide. Molecular investigation of A. perfoliata is hampered by a lack of tools to better understand the host–parasite interface. This interfa…
View article: Chromaticity of structural color in polymer thin film photonic crystals
Chromaticity of structural color in polymer thin film photonic crystals Open
A three-dimensional goniometric study of thin-film polymer photonic crystals investigates how the chromaticity of structural color is correlated to structural ordering. Characterization of chromaticity and the angular properties of structu…
View article: DC‐SIGN mediated internalisation of glycosylated extracellular vesicles from <i>Schistosoma mansoni</i> increases activation of monocyte‐derived dendritic cells
DC‐SIGN mediated internalisation of glycosylated extracellular vesicles from <i>Schistosoma mansoni</i> increases activation of monocyte‐derived dendritic cells Open
Helminths like Schistosoma mansoni release excretory/secretory (E/S) products that modulate host immunity to enable infection. Extracellular vesicles (EVs) are among these E/S products, yet molecular mechanisms and functionality of S. mans…
View article: The importance of extracellular vesicle purification for downstream analysis: A comparison of differential centrifugation and size exclusion chromatography for helminth pathogens
The importance of extracellular vesicle purification for downstream analysis: A comparison of differential centrifugation and size exclusion chromatography for helminth pathogens Open
The data suggests that DC and SEC purification methods do not isolate equivalent EV population profiles and caution should be taken in the choice of EV purification utilised, with certain protocols for DC preparations including more free E…
View article: Low cost 3D-printing used in an undergraduate project: an integrating sphere for measurement of photoluminescence quantum yield
Low cost 3D-printing used in an undergraduate project: an integrating sphere for measurement of photoluminescence quantum yield Open
We report upon the exploitation of the latest 3D printing technologies to provide low-cost instrumentation solutions, for use in an undergraduate level final-year project. The project addresses prescient research issues in optoelectronics,…