Electronic control of drug release from gauze or cellulose acetate fibres for dermal applications†

被引:12
作者
Baptista, Ana Catarina [1 ]
Brito, Miguel [1 ]
Marques, Ana [1 ]
Ferreira, Isabel [1 ]
机构
[1] Univ Nova Lisboa, FCT, Fac Ciencias & Tecnol, CENIMAT I3N,Dept Ciencia Mat, Campus Caparica, P-2829516 Lisbon, Portugal
基金
欧盟地平线“2020”;
关键词
DELIVERY; SYSTEMS; PATCH;
D O I
10.1039/d1tb00249j
中图分类号
TB3 [工程材料学]; R318.08 [生物材料学];
学科分类号
0805 ; 080501 ; 080502 ;
摘要
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.
引用
收藏
页码:3515 / 3522
页数:8
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