Synthetic, small-molecule photoantimicrobials – a realistic approach

Photochemical & Photobiological Sciences Pub Date: 2018-06-11 DOI: 10.1039/C8PP00145F

Abstract

The search for suitable, low-molecular weight photoantimicrobials for use in infection control has strong foundations in conventional antiseptic research from the early-mid 20th Century. Many examples of dyes exist having conventional antimicrobial activity among the azine, acridine and triphenylmethane families which have since also been found to exhibit photosensitising capabilities. The prior employment of these examples in human antisepsis provides a practical basis in terms of low host toxicity, while extant structure–activity relationships for conventional antimicrobial activity can support the development of similar relationships for photoactivated cell killing. The range of chromophores covered allows progress to be made both in topical and deeper, fluid-involved infections.

Graphical abstract: Synthetic, small-molecule photoantimicrobials – a realistic approach
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