All Outputs (33)

Supramolecular Conductive Hydrogels With Homogeneous Ionic and Electronic Transport (2025)
Journal Article
O'Neill, S. J., Ashizawa, M., McLean, A. M., Serrano, R. R., Shimura, T., Agetsuma, M., Tsutsumi, M., Nemoto, T., Parmenter, C. D., McCune, J. A., Malliaras, G. G., Matsuhisa, N., & Scherman, O. A. (2025). Supramolecular Conductive Hydrogels With Homogeneous Ionic and Electronic Transport. Advanced Materials, https://doi.org/10.1002/adma.202415687

Mechanically resilient hydrogels with ion-electron mixed transport properties effectively bridge biology with electronics. An ideal bioelectronic interface can be realized through introducing electronically conductive polymers into supramolecular hyd... Read More about Supramolecular Conductive Hydrogels With Homogeneous Ionic and Electronic Transport.

A new model of endotracheal tube biofilm identifies combinations of matrix-degrading enzymes and antimicrobials able to eradicate biofilms of pathogens that cause ventilator-associated pneumonia (2024)
Journal Article
Walsh, D., Parmenter, C., Bakker, S. E., Lithgow, T., Traven, A., & Harrison, F. (2024). A new model of endotracheal tube biofilm identifies combinations of matrix-degrading enzymes and antimicrobials able to eradicate biofilms of pathogens that cause ventilator-associated pneumonia. Microbiology, 170(8), Article 001480. https://doi.org/10.1099/mic.0.001480

Ventilator-associated pneumonia is defined as pneumonia that develops in a patient who has been on mechanical ventilation for more than 48 hours through an endotracheal tube. It is caused by biofilm formation on the indwelling tube, which introduces... Read More about A new model of endotracheal tube biofilm identifies combinations of matrix-degrading enzymes and antimicrobials able to eradicate biofilms of pathogens that cause ventilator-associated pneumonia.

A facile one step route that introduces functionality to polymer powders for laser sintering (2024)
Journal Article
Krumins, E., Crawford, L. A., Rogers, D. M., Machado, F., Taresco, V., East, M., Irving, S. H., Fowler, H. R., Jiang, L., Starr, N., Parmenter, C. D., Kortsen, K., Cuzzucoli Crucitti, V., Avery, S. V., Tuck, C. J., & Howdle, S. M. (2024). A facile one step route that introduces functionality to polymer powders for laser sintering. Nature Communications, 15(1), Article 3137. https://doi.org/10.1038/s41467-024-47376-4

Laser Sintering (LS) is a type of Additive Manufacturing (AM) exploiting laser processing of polymeric particles to produce 3D objects. Because of its ease of processability and thermo-physical properties, polyamide-12 (PA-12) represents ~95% of the... Read More about A facile one step route that introduces functionality to polymer powders for laser sintering.

Structural Flexibility and Disassembly Kinetics of Single Ferritins using Optical Nanotweezers (2024)
Preprint / Working Paper
Yousefi, A., Zheng, Z., Zargarbashi, S., Assadipapari, M., Hickman, G. J., Parmenter, C. D. J., Sanderson, G., Craske, D., Xu, L., Rahmani, M., & Ying, C. (2024). Structural Flexibility and Disassembly Kinetics of Single Ferritins using Optical Nanotweezers

Ferritin, a spherical protein shell assembled from 24 subunits, functions as an efficient iron storage and release system through its channels. Understanding how various chemicals affect the structural behaviour of ferritin is crucial for unravelling... Read More about Structural Flexibility and Disassembly Kinetics of Single Ferritins using Optical Nanotweezers.

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., Parmenter, C., & 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.

Optical Monitoring of In Situ Iron Loading into Single, Native Ferritin Proteins (2023)
Journal Article
Yousefi, A., Ying, C., Parmenter, C. D. J., Assadipapari, M., Sanderson, G., Zheng, Z., Xu, L., Zargarbashi, S., Hickman, G. J., Cousins, R. B., Mellor, C. J., Mayer, M., & Rahmani, M. (2023). Optical Monitoring of In Situ Iron Loading into Single, Native Ferritin Proteins. Nano Letters, 23(8), 3251-3258. https://doi.org/10.1021/acs.nanolett.3c00042

Ferritin is a protein that stores and releases iron to prevent diseases associated with iron dysregulation in plants, animals, and bacteria. The conversion between iron-loaded holo-ferritin and empty apo-ferritin is an important process for iron regu... Read More about Optical Monitoring of In Situ Iron Loading into Single, Native Ferritin Proteins.

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., Pita, M., De Lacey, A. L., Parmenter, C. D., & 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., Massabuau, F., Goldhahn, R., & 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., He, Y., Irvine, D. J., Tuck, C., Wildman, R. D., Hague, R., & 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., Adams, G. G., Torcello Gómez, A., Sabater Sanchez, C., Mackie, A., Parmenter, C., Fisk, I., Phillips-Jones, M. K., & 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., Pearce, A. K., Parmenter, C. D. J., Steiner, U., & 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., Fay, M., Parmenter, C. D., Kovalyuk, Z. D., Fielding, A. J., Kern, M., van Slageren, J., & 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 β-sheet hydrogels (2018)
Journal Article
Clarke, D. E., Parmenter, C. D. J., & Scherman, O. A. (in press). Tunable pentapeptide self-assembled β-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 β-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., Rance, G. A., He, Y., Zhang, F., Liu, Y., Irvine, D., Tuck, C., Hague, R., & 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.