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18 results on '"Moloney, Cara"'

4. Enabling high-fidelity personalised pharmaceutical tablets through multimaterial inkjet 3D printing with a water-soluble excipient

Author

Rivers, Geoffrey, Lion, Anna, Putri, Nur Rofiqoh Eviana, Rance, Graham A., Moloney, Cara, Taresco, Vincenzo, Crucitti, Valentina Cuzzucoli, Constantin, Hannah, Evangelista Barreiros, Maria Inês, Cantu, Laura Ruiz, Tuck, Christopher J., Rose, Felicity R.A.J., Hague, Richard J.M., Roberts, Clive J., Turyanska, Lyudmila, Wildman, Ricky D., and He, Yinfeng

Published
2024
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7. Poly (diglycerol adipate) variants as enhanced nanocarrier replacements in drug delivery applications

Author

Jacob, Philippa L., Brugnoli, Benedetta, Del Giudice, Alessandra, Phan, Hien, Chauhan, Veeren M., Beckett, Laura, Gillis, Richard B., Moloney, Cara, Cavanagh, Robert J., Krumins, Eduards, Reynolds-Green, Morgan, Lentz, Joachim C., Conte, Claudia, Cuzzucoli Crucitti, Valentina, Couturaud, Benoit, Galantini, Luciano, Francolini, Iolanda, Howdle, Steven M., and Taresco, Vincenzo

Published
2023
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12. A holistic NMR framework to understand environmental impact: Examining the impacts of superparamagnetic iron oxide nanoparticles (SPIONs) in Daphnia magna via imaging, spectroscopy, and metabolomics

Author

Jenne, Amy, Soong, Ronald, Gruschke, Oliver, Bastawrous, Monica, Monks, Patricia, Moloney, Cara, Wu, Bing, Simpson, Andre, Jenne, Amy, Soong, Ronald, Gruschke, Oliver, Bastawrous, Monica, Monks, Patricia, Moloney, Cara, Wu, Bing, and Simpson, Andre

Abstract

Contains fulltext : 298319.pdf (Publisher’s version ) (Closed access), 31 oktober 2022

Published
2023

16. Photoswitchable Layer-by-layer Coatings Based on Photochromic Polynorbornenes Bearing Spiropyran Side Groups

Author

Química analítica, Kimika analitikoa, Campos, Paula P., Dunne, Aishling, Delaney, Colm, Moloney, Cara, Moulton, Simon E., Benito López, Fernando, Ferreira, Marystela, Diamond, Dermot, Florea, Larisa, Química analítica, Kimika analitikoa, Campos, Paula P., Dunne, Aishling, Delaney, Colm, Moloney, Cara, Moulton, Simon E., Benito López, Fernando, Ferreira, Marystela, Diamond, Dermot, and Florea, Larisa

Abstract

Micro-capillaries, capable of light-regulated binding and qualitative detection of divalent metal ions in continuous flow, have been realised through functionalisation with spiropyran photochromic brush-type coatings. Upon irradiation with UV light, the coating switches from the passive non-binding spiropyran form to the active merocyanine form, which binds different divalent metal ions (Zn2+, Co2+, Cu2+, Ni2+, Cd2+), as they pass through the micro-capillary. Furthermore, the merocyanine visible absorbance spectrum changes upon metal ion binding, enabling the ion uptake to be detected optically. Irradiation with white light causes reversion of the merocyanine to the passive spiropyran form, with simultaneous release of the bound metal ion from the micro-capillary coating.

Published
2018

17. Photoswitchable layer-by-layer coatings based on photochromic polynorbornenes bearing spiropyran side groups

Author

Campos, Paula, Dunne, Aishling, Delaney, Colm, Moloney, Cara, Moulton, Simon E., Benito-Lopez, Fernando, Ferreira, Marystela, Diamond, Dermot, Florea, Larisa, Campos, Paula, Dunne, Aishling, Delaney, Colm, Moloney, Cara, Moulton, Simon E., Benito-Lopez, Fernando, Ferreira, Marystela, Diamond, Dermot, and Florea, Larisa

Abstract

Herein, we present the synthesis of linear photochromic norbornene polymers bearing spiropyran side groups (poly(SP-R)), and their assembly into LbL films on glass substrates when converted to the poly(MC-R) under UV irradiation. The LbL films were composed of bilayers of poly(allylamine hydrochloride) (PAH) and poly(MC-R), forming (PAH/poly(MC-R))n coatings. The MC form presents a significant absorption band in the visible spectral region which allowed the LbL deposition process to be tracked by UV-Vis spectroscopy, showing a linear increase of the characteristic MC absorbance band with increased number of bilayers. The thickness and morphology of the (PAH/poly(MC-R))n films were characterised by ellipsometry and Scanning Electron Microscopy, showing a height of ~27.5 nm for the first bilayer and an overall height of ~165 nm for the (PAH/poly(MC-R))5 multilayer film. Prolonged white light irradiation (22h) showed a gradual decrease of the MC band by 90.4 ±2.9% relative to the baseline, indicating the potential application of these films as coatings for photo-controlled delivery systems.

Published
2018

18. Reversible photochromic polynorbornenes bearing spiropyran side groups for layer-by-layer coatings

Author

Florea, Larisa, Moloney, Cara, Nixon, David, Moulton, Simon E., Wallace, Gordon, Benito-Lopez, Fernando, and Diamond, Dermot

Subjects
Chemistry, Photochemistry, Organic chemistry
Abstract

A great number of stimuli-responsive materials have been reported in the recent years and they find applicability in fields ranging from optoelectronics, surface coatings, photonics and biomedicine. A particular attractive class of stimuli-responsive materials is comprised by photo-responsive materials as light is an environment-friendly stimulus and can be applied remotely, in a non-invasive manner. Photo-responsive materials have been the subject of many investigations over the past decade due to their potential applications, particularly in the design and development of memory devices, artificial muscles, soft-actuators and drug delivery, among others[1]. In the field of photo-responsive polymers, the layer-by-layer (LbL) approach offers a simple and effective method to fabricate uniform thin films capable of photo-modulation. In this context, we are focusing our investigations on the synthesis of LbL coatings based on new photochromic norbornenes polymers bearing spiropyran side groups. We have shown that these LbL coatings are capable of disassembling upon photostimulation. When used for the coating of microcapsules, these polymers have the ability to be used for photo-controlled drug delivery. [1] L. Florea, D. Diamond, F. Benito-Lopez, Macromol. Mater. Eng. 2012, 297, 1148.

Published
2015

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