Skip to main content

Research Repository

Advanced Search

CHRISTOPHER PARMENTER's Outputs (13)

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., …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.

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.

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.

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.

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. https://doi.org/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.

Multivariate analysis of 3D ToF-SIMS images: method validation and application to cultured neuronal networks (2015)
Journal Article
Van Nuffel, S., Parmenter, C. D., Scurr, D. J., Russell, N. A., & Zelzer, M. (in press). Multivariate analysis of 3D ToF-SIMS images: method validation and application to cultured neuronal networks. Analyst, 141(1), https://doi.org/10.1039/c5an01743b

Advanced data analysis tools are crucial for the application of ToF-SIMS analysis to biological samples. Here, we demonstrate that by using a training set approach principal components analysis (PCA) can be performed on large 3D ToF-SIMS images of ne... Read More about Multivariate analysis of 3D ToF-SIMS images: method validation and application to cultured neuronal networks.

Compositional and physicochemical factors governing the viability of Lactobacillus rhamnosus GG embedded in starch-protein based edible films (2015)
Journal Article
Parmenter, C., Soukoulis, C., Singh, P., Macnaughtan, W., Parmenter, C. D., & Fisk, I. D. (2016). Compositional and physicochemical factors governing the viability of Lactobacillus rhamnosus GG embedded in starch-protein based edible films. Food Hydrocolloids, 52, 876-887. https://doi.org/10.1016/j.foodhyd.2015.08.025

Probiotic incorporation in edible films and coatings has been shown recently to be an efficient strategy for the delivery of probiotics in foods. In the present work, the impact of the compositional, physicochemical and structural properties of binar... Read More about Compositional and physicochemical factors governing the viability of Lactobacillus rhamnosus GG embedded in starch-protein based edible films.

Combined hydrogels that switch human pluripotent stem cells from self-renewal to differentiation (2014)
Journal Article
Dixon, J. E., Shah, D. A., Rogers, C., Hall, S., Weston, N., Parmenter, C. D., …Shakesheff, K. M. (2014). Combined hydrogels that switch human pluripotent stem cells from self-renewal to differentiation. Proceedings of the National Academy of Sciences, 111(15), 5580-5585. https://doi.org/10.1073/pnas.1319685111

The ability of materials to define the architecture and microenvironment experienced by cells provides new opportunities to direct the fate of human pluripotent stem cells (HPSCs) [Robinton DA, Daley GQ (2012) Nature 481(7381):295-305]. However, the... Read More about Combined hydrogels that switch human pluripotent stem cells from self-renewal to differentiation.

Stability of Lactobacillus rhamnosus GG in prebiotic edible films (2014)
Journal Article
Soukoulis, C., Behboudi-Jobbehdar, S., Yonekura, L., Parmenter, C., & Fisk, I. D. (2014). Stability of Lactobacillus rhamnosus GG in prebiotic edible films. Food Chemistry, 159, https://doi.org/10.1016/j.foodchem.2014.03.008

The concept of prebiotic edible films as effective vehicles for encapsulating probiotic living cells is presented. Four soluble fibres (inulin, polydextrose, glucose-oligosaccharides and wheat dextrin) were selected as prebiotic co-components of gela... Read More about Stability of Lactobacillus rhamnosus GG in prebiotic edible films.

Probiotic edible films as a new strategy for developing functional bakery products: the case of pan bread (2014)
Journal Article
Soukoulis, C., Yonekura, L., Gan, H. H., Behboudi-Jobbehdar, S., Parmenter, C., & Fisk, I. D. (2014). Probiotic edible films as a new strategy for developing functional bakery products: the case of pan bread. Food Hydrocolloids, 39, https://doi.org/10.1016/j.foodhyd.2014.01.023

In the present paper, a novel approach for the development of probiotic baked cereal products is presented. Probiotic pan bread constructed by the application of film forming solutions based either on individual hydrogels e.g. 1% w/w sodium alginate... Read More about Probiotic edible films as a new strategy for developing functional bakery products: the case of pan bread.