Capture and light-induced release of antibiotics by an azo dye polymer

Author:

Atkins Stephen,Chueh Alysa,Barwell Taylor,Nunzi Jean-Michel,Seroude Laurent

Abstract

AbstractThe isomerisation of azo dyes can induce conformational changes which have potential applications in medicine and environmental protection. We developed an agar diffusion assay to test the capture and release of biologically active molecules from an azo electro-optic polymer, Poly (Disperse Red 1 methacrylate) (DR1/PMMA). The assay monitors the growth of bacteria placed in soft agar under a glass coverslip. Antibiotics can then be applied on the coverslip resulting in the clearance of the area under the coverslip due to growth inhibition. This assay demonstrates that DR1/PMMA is able to capture either tetracycline or ampicillin and the relative amount of DR1/PMMA required for capture was determined. Finally, the active antibiotics can be released from DR1/PMMA by exposure to green laser light. Exposure to white light from a torch or to heat does not release the antibiotic.

Funder

Natural Sciences and Engineering Research Council of Canada

Canada Research Chairs

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

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