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Evolution of the pore structure-transport relationship during catalyst reduction and sintering studied by integrated multi-scale porosimetry and multi-modal imaging (2023)
Journal Article
Mousa, S., Novak, V., Fletcher, R. S., Kelly, G., Garcia, M., Macleod, N., …Rigby, S. P. (2023). Evolution of the pore structure-transport relationship during catalyst reduction and sintering studied by integrated multi-scale porosimetry and multi-modal imaging. Chemical Engineering Science, 277, Article 118880. https://doi.org/10.1016/j.ces.2023.118880

Catalyst pellet fabrication parameters significantly impact final product performance. Tabletted pellets are complex, hierarchical structures that evolve differently over various levels during subsequent processing. Multi-scale porosimetry and multi-... Read More about Evolution of the pore structure-transport relationship during catalyst reduction and sintering studied by integrated multi-scale porosimetry and multi-modal imaging.

Additively Manufactured 3D Micro-bioelectrodes for Enhanced Bioelectrocatalytic Operation (2023)
Journal Article
Jodeiri, K., Foerster, A., Trindade, G. F., Im, J., Carballares, D., Fernández-Lafuente, R., …Tuck, C. (2023). Additively Manufactured 3D Micro-bioelectrodes for Enhanced Bioelectrocatalytic Operation. ACS Applied Materials and Interfaces, 15(11), 14914–14924. https://doi.org/10.1021/acsami.2c20262

The drive toward miniaturization of enzyme-based bioelectronics established a need for three-dimensional (3D) microstructured electrodes, which are difficult to implement using conventional manufacturing processes. Additive manufacturing coupled with... Read More about Additively Manufactured 3D Micro-bioelectrodes for Enhanced Bioelectrocatalytic Operation.

Redshift and amplitude increase in the dielectric function of corundum-like α-(TixGa1−x)2O3 (2023)
Journal Article
Kluth, E., Fay, M., Parmenter, C., Roberts, J., Smith, E., Stoppiello, C., …Feneberg, M. (2023). Redshift and amplitude increase in the dielectric function of corundum-like α-(TixGa1−x)2O3. Applied Physics Letters, 122(9), Article 092101. https://doi.org/10.1063/5.0139725

Redshift of the absorption onset and amplitude increase in the ultraviolet complex dielectric function (DF) of corundum-like α-(TixGa1-x)2O3 with increasing Ti content is presented. α-Ga2O3 thin film samples alloyed with Ti up to x = 0.61 are grown f... Read More about Redshift and amplitude increase in the dielectric function of corundum-like α-(TixGa1−x)2O3.

Exploring the microstructure of hydrated collagen hydrogels under scanning electron microscopy (2023)
Journal Article
Merryweather, D. J., Weston, N., Roe, J., Parmenter, C., Lewis, M. P., & Roach, P. (2023). Exploring the microstructure of hydrated collagen hydrogels under scanning electron microscopy. Journal of Microscopy, 290(1), 40-52. https://doi.org/10.1111/jmi.13174

Collagen hydrogels are a rapidly expanding platform in bioengineering and soft materials engineering for novel applications focused on medical therapeutics, medical devices and biosensors. Observations linking microstructure to material properties an... Read More about Exploring the microstructure of hydrated collagen hydrogels under scanning electron microscopy.

Strategies for Integrating Metal Nanoparticles with Two-Photon Polymerization Process: Toward High Resolution Functional Additive Manufacturing (2023)
Journal Article
Im, J., Liu, Y., Hu, Q., Trindade, G. F., Parmenter, C., Fay, M., …Turyanska, L. (2023). Strategies for Integrating Metal Nanoparticles with Two-Photon Polymerization Process: Toward High Resolution Functional Additive Manufacturing. Advanced Functional Materials, 33(39), Article 2211920. https://doi.org/10.1002/adfm.202211920

This study reports the successful fabrication of complex 3D metal nanoparticle–polymer nanocomposites using two-photon polymerization (2PP). Three complementary strategies are detailed: in situ formation of metal nanoparticles (MeNPs) through a singl... Read More about Strategies for Integrating Metal Nanoparticles with Two-Photon Polymerization Process: Toward High Resolution Functional Additive Manufacturing.

Low-Power Sonication Can Alter Extracellular Vesicle Size and Properties (2021)
Journal Article
Nizamudeen, Z. A., Xerri, R., Parmenter, C., Suain, K., Markus, R., Chakrabarti, L., & Sottile, V. (2021). Low-Power Sonication Can Alter Extracellular Vesicle Size and Properties. Cells, 10(9), Article 2413. https://doi.org/10.3390/cells10092413

Low-power sonication is widely used to disaggregate extracellular vesicles (EVs) after isolation, however, the effects of sonication on EV samples beyond dispersion are unclear. The present study analysed the characteristics of EVs collected from mes... Read More about Low-Power Sonication Can Alter Extracellular Vesicle Size and Properties.

Kerogen nanoscale structure and CO2 adsorption in shale micropores (2021)
Journal Article
Gonciaruk, A., Hall, M. R., Fay, M. W., Parmenter, C. D. J., Vane, C. H., Khlobystov, A. N., & Ripepi, N. (2021). Kerogen nanoscale structure and CO2 adsorption in shale micropores. Scientific Reports, 11, Article 3920. https://doi.org/10.1038/s41598-021-83179-z

Gas storage and recovery processes in shales critically depend on nano-scale porosity and chemical composition, but information about the nanoscale pore geometry and connectivity of kerogen, insoluble organic shale matter, is largely unavailable. Usi... Read More about Kerogen nanoscale structure and CO2 adsorption in shale micropores.

Cryo-FIB-lift-out: practically impossible to practical reality (2020)
Journal Article
Parmenter, C. D., & Nizamudeen, Z. A. (2020). Cryo-FIB-lift-out: practically impossible to practical reality. Journal of Microscopy, https://doi.org/10.1111/jmi.12953

© 2020 The Authors. Journal of Microscopy published by John Wiley & Sons Ltd on behalf of Royal Microscopical Society In this paper, we explore the development of the Cryo-Lift-Out (cryo-LO) technique as preparation tool for cryogenic transmission... Read More about Cryo-FIB-lift-out: practically impossible to practical reality.

Thermal Activation of Electrochemical Seed Surfaces for Selective and Tunable Hydrophobic Patterning (2020)
Journal Article
Speidel, A., Murray, J. W., Bisterov, I., Mitchell-Smith, J., Parmenter, C., & Clare, A. T. (2020). Thermal Activation of Electrochemical Seed Surfaces for Selective and Tunable Hydrophobic Patterning. ACS Applied Materials and Interfaces, 12(6), 7744-7759. https://doi.org/10.1021/acsami.9b20121

Remarkable interfacial behaviors are observed in nature. Our efforts, directed toward replicating the structures, chemistries, and therefore functional properties of natural nonwetting surfaces, are competing with the result of billions of years of n... Read More about Thermal Activation of Electrochemical Seed Surfaces for Selective and Tunable Hydrophobic Patterning.

The antibiotic vancomycin induces complexation and aggregation of gastrointestinal and submaxillary mucins (2020)
Journal Article
Dinu, V., Lu, Y., Weston, N., Lithgo, R., Coupe, H., Channell, G., …Harding, S. E. (2020). The antibiotic vancomycin induces complexation and aggregation of gastrointestinal and submaxillary mucins. Scientific Reports, 10(1), Article 960. https://doi.org/10.1038/s41598-020-57776-3

© 2020, The Author(s). Vancomycin, a branched tricyclic glycosylated peptide antibiotic, is a last-line defence against serious infections caused by staphylococci, enterococci and other Gram-positive bacteria. Orally-administered vancomycin is the dr... Read More about The antibiotic vancomycin induces complexation and aggregation of gastrointestinal and submaxillary mucins.

Clean Block Copolymer Microparticles from Supercritical CO 2 : Universal Templates for the Facile and Scalable Fabrication of Hierarchical Mesostructured Metal Oxides (2018)
Journal Article
Bennett, T. M., He, G., Larder, R. R., Fischer, M. G., Rance, G. A., Fay, M. W., …Howdle, S. M. (2018). Clean Block Copolymer Microparticles from Supercritical CO 2 : Universal Templates for the Facile and Scalable Fabrication of Hierarchical Mesostructured Metal Oxides. Nano Letters, 18(12), 7560-7569. https://doi.org/10.1021/acs.nanolett.8b03044

© 2018 American Chemical Society. Metal oxide microparticles with well-defined internal mesostructures are promising materials for a variety of different applications, but practical routes to such materials that allow the constituent structural leng... Read More about Clean Block Copolymer Microparticles from Supercritical CO 2 : Universal Templates for the Facile and Scalable Fabrication of Hierarchical Mesostructured Metal Oxides.

Rapid and accurate analysis of stem cell-derived extracellular vesicles with super resolution microscopy and live imaging (2018)
Journal Article
Nizamudeen, Z., Markus, R., Lodge, R., Parmenter, C., Platt, M., Chakrabarti, L., & Sottile, V. (2018). Rapid and accurate analysis of stem cell-derived extracellular vesicles with super resolution microscopy and live imaging. Biochimica et Biophysica Acta (BBA) - Molecular Cell Research, 1865(12), 1891-1900. https://doi.org/10.1016/j.bbamcr.2018.09.008

Extracellular vesicles (EVs) have prevalent roles in cancer biology and regenerative medicine. Conventional techniques for characterising EVs including electron microscopy (EM), nanoparticle tracking analysis (NTA) and tuneable resistive pulse sensin... Read More about Rapid and accurate analysis of stem cell-derived extracellular vesicles with super resolution microscopy and live imaging.

Room temperature uniaxial magnetic anisotropy induced by Fe-islands in the InSe semiconductor van der Waals crystal (2018)
Journal Article
Moro, F., Bhuiyan, M. A., Kudrynskyi, Z. R., Puttock, R., Kazakova, O., Makarovsky, O., …Patanè, A. (2018). Room temperature uniaxial magnetic anisotropy induced by Fe-islands in the InSe semiconductor van der Waals crystal. Advanced Science, 5(7), Article 1800257. https://doi.org/10.1002/advs.201800257

The controlled manipulation of the spin and charge of electrons in a semiconductor has the potential to create new routes to digital electronics beyond Moore’s law, spintronics, and quantum detection and imaging for sensing applications. These techno... Read More about Room temperature uniaxial magnetic anisotropy induced by Fe-islands in the InSe semiconductor van der Waals crystal.

Tunable pentapeptide self-assembled ?-sheet hydrogels (2018)
Journal Article
Clarke, D. E., Parmenter, C. D. J., & Scherman, O. A. (in press). Tunable pentapeptide self-assembled ?-sheet hydrogels. Angewandte Chemie International Edition, https://doi.org/10.1002/anie.201801001

Oligopeptide-based supramolecular hydrogels hold promise in a range of applications. The gelation of these systems is hard to control with minor alterations in the peptide sequence significantly influencing the self-assembly process. This makes seque... Read More about Tunable pentapeptide self-assembled ?-sheet hydrogels.

Additive manufacture of complex 3D Au-containing nanocomposites by simultaneous two-photon polymerisation and photoreduction (2017)
Journal Article
Parmenter, C. D. J., Hu, Q., Sun, X. Z., Parmenter, C. D., Fay, M. W., Smith, E. F., …Wildman, R. (2017). Additive manufacture of complex 3D Au-containing nanocomposites by simultaneous two-photon polymerisation and photoreduction. Scientific Reports, 7(1), Article 17150. https://doi.org/10.1038/s41598-017-17391-1

© 2017 The Author(s). The fabrication of complex three-dimensional gold-containing nanocomposite structures by simultaneous two-photon polymerisation and photoreduction is demonstrated. Increased salt delivers reduced feature sizes down to line width... Read More about Additive manufacture of complex 3D Au-containing nanocomposites by simultaneous two-photon polymerisation and photoreduction.

Stability of Lactobacillus rhamnosus GG incorporated in edible films: impact of anionic biopolymers and whey protein concentrate (2017)
Journal Article
Soukoulis, C., Behboudi-Jobbehdar, S., Macnaughtan, W., Parmenter, C. D., & Fisk, I. D. (2017). Stability of Lactobacillus rhamnosus GG incorporated in edible films: impact of anionic biopolymers and whey protein concentrate. Food Hydrocolloids, 70, 345-355. https://doi.org/10.1016/j.foodhyd.2017.04.014

The incorporation of probiotics and bioactive compounds, via plasticised thin-layered hydrocolloids, within food products has recently shown potential to functionalise and improve the health credentials of processed food. In this study, choice of pol... Read More about Stability of Lactobacillus rhamnosus GG incorporated in edible films: impact of anionic biopolymers and whey protein concentrate.

Optimisation of octinyl succinic anhydride starch stablised w1/o/w2 emulsions for oral destablisation of encapsulated salt and enhanced saltiness (2017)
Journal Article
Chiu, N., Tarrega, A., Parmenter, C. D., Hewson, E. L., Wolf, B., & Fisk, I. D. (in press). Optimisation of octinyl succinic anhydride starch stablised w1/o/w2 emulsions for oral destablisation of encapsulated salt and enhanced saltiness. Food Hydrocolloids, 69, https://doi.org/10.1016/j.foodhyd.2017.03.002

Sodium (salt) was encapsulated within the inner water phase of w1/o/w2 food emulsions externally stabilised by starch particles with the ultimate aim of enhancing saltiness perception. The physical properties of the starch particles were modified by... Read More about Optimisation of octinyl succinic anhydride starch stablised w1/o/w2 emulsions for oral destablisation of encapsulated salt and enhanced saltiness.

Growth of single-layer boron nitride dome-shaped nanostructures catalysed by iron clusters (2016)
Journal Article
Torre, A. L., Åhlgren, E. H., Fay, M. W., Ben Romdhane, F., Skowron, S. T., Parmenter, C., …Banhart, F. (2016). Growth of single-layer boron nitride dome-shaped nanostructures catalysed by iron clusters. Nanoscale, 8(32), 15079-15085. https://doi.org/10.1039/c6nr03474h

© 2016 The Royal Society of Chemistry. We report on the growth and formation of single-layer boron nitride dome-shaped nanostructures mediated by small iron clusters located on flakes of hexagonal boron nitride. The nanostructures were synthesized in... Read More about Growth of single-layer boron nitride dome-shaped nanostructures catalysed by iron clusters.

Making the practically impossible "Merely difficult": cryogenic FIB lift-out for "Damage Free" soft matter imaging (2016)
Journal Article
Parmenter, C., Fay, M., Hartfield, C., & Eltaher, H. (2016). Making the practically impossible "Merely difficult": cryogenic FIB lift-out for "Damage Free" soft matter imaging. Microscopy Research and Technique, 79(4), 298 - 303. doi:10.1002/jemt.22630

The preparation of thinned lamellae from bulk samples for transmission electron microscopy (TEM) analysis has been possible in the focussed ion beam scanning electron microscope (FIB?SEM) for over 20 years via the in situ lift?out method. Lift?out of... Read More about Making the practically impossible "Merely difficult": cryogenic FIB lift-out for "Damage Free" soft matter imaging.