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1-acetylpyrene-salicylic acid: Photoresponsive fluorescent organic nanoparticles for the regulated release of a natural antimicrobial compound, salicylic acid

ACS Applied Materials and Interfaces, ISSN: 1944-8252, Vol: 6, Issue: 10, Page: 7045-7054
2014
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Article Description

Photoresponsive 1-acetylpyrene-salicylic acid (AcPy-SA) nanoparticles (NPs) were developed for the regulated release of a natural antimicrobial compound, salicylic acid. The strong fluorescent properties of AcPy-SA NPs have been extensively used for potential in vitro cell imaging. The phototrigger capability of our newly prepared AcPy-SA NPs was utilized for the efficient release of an antimicrobial compound, salicylic acid. The photoregulated drug release of AcPy-SA NPs has been shown by the subsequent switching off and on of a visible-light source. In vitro biological studies reveal that AcPy-SA NPs of ∼68 nm size deliver the antimicrobial drug salicylic acid into the bacteria cells (Pseudomonas aeruginosa) and efficiently kill the cells upon exposure to visible light (≥410 nm). Such photoresponsive fluorescent organic NPs will be highly beneficial for targeted and regulated antimicrobial drug release because of their biocompatible nature, efficient cellular uptake, and light-induced drug release ability. © 2014 American Chemical Society.

Bibliographic Details

Barman, Shrabani; Mukhopadhyay, Sourav K; Behara, Krishna Kalyani; Dey, Satyahari; Singh, N D Pradeep

American Chemical Society (ACS)

Materials Science

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