期刊
JOURNAL OF MATERIALS CHEMISTRY B
卷 9, 期 16, 页码 3515-3522出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1tb00249j
关键词
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资金
- FEDER funds through the COMPETE 2020 Program
- FCT - Portuguese Foundation for Science and Technology [UID/CTM/50025/2019, UIDB/50025/2020-2023]
- ERC-CoG-2014, CapTherPV [647596]
- ERC-POC-2019, CAPSEL [855018]
- H2020-ICT-2014-1, RIA [TransFlexTeg-645241]
The study explored electronic controlled drug release from fibres using ibuprofen as a model drug, demonstrating voltage-controlled drug release with Ppy functionalised gauze and CA fibres. SEM images showed Ppy adhesion to fibres, while Micro Raman spectra confirmed drug incorporation and release. A small wound adhesive built with these membranes was able to retain ibuprofen at 1.5 V and quickly release it at -0.5 V.
Electronic controlled drug release from fibres was studied using ibuprofen as a model drug, one of the most popular analgesics, to impregnate gauze and cellulose acetate (CA) membranes. Conductivity in the range of 1-10 mS cm(-1) was obtained in polypyrrole (Ppy) functionalised gauze and CA fibres, providing voltage-controlled drug release in a system consisting of Ppy/Ibuprofen/Ppy membranes and an Ag electrode. SEM images evidenced the Ppy adhesion to fibres and Micro Raman spectra proved drug incorporation and release. A small wound adhesive built with these membranes retains ibuprofen at 1.5 V and quickly releases it when -0.5 V is applied.
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