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Issue 39, 2014
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Biodegradable electroactive polymers for electrochemically-triggered drug delivery

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We report biodegradable electroactive polymer (EAP)-based materials and their application as drug delivery devices. Copolymers composed of oligoaniline-based electroactive blocks linked to either polyethylene glycol or polycaprolactone blocks via ester bonds were synthesized in three steps from commercially available starting materials and isolated without the need for column chromatography. The physicochemical and electrochemical properties of the polymers were characterized with a variety of techniques. The ability of the polymers to deliver the anti-inflammatory drug dexamethasone phosphate on the application of electrochemical stimuli was studied spectroscopically. Films of the polymers were shown to be degradable and cell adhesive in vitro. Such EAP-based materials have prospects for integration in implantable fully biodegradable/bioerodible EAP-based drug delivery devices that are capable of controlling the chronopharmacology of drugs for future clinical application.

Graphical abstract: Biodegradable electroactive polymers for electrochemically-triggered drug delivery

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The article was received on 02 Mar 2014, accepted on 19 Aug 2014 and first published on 19 Aug 2014

Article type: Paper
DOI: 10.1039/C4TB00355A
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J. Mater. Chem. B, 2014,2, 6809-6822

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    Biodegradable electroactive polymers for electrochemically-triggered drug delivery

    J. G. Hardy, D. J. Mouser, N. Arroyo-Currás, S. Geissler, J. K. Chow, L. Nguy, J. M. Kim and C. E. Schmidt, J. Mater. Chem. B, 2014, 2, 6809
    DOI: 10.1039/C4TB00355A

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