LED Photo-polymerization, a Novel Strategy for Triggered Release Liposomes

Overview

Journal Iran J Pharm Res

Publisher Brieflands

Specialty Pharmacology

Date 2020 Sep 14

PMID 32922485

Authors

Afsoon Akbarzadeh

Pezhman Sasanpour

Hamid R Moghimi

Affiliations

Soon will be listed here.

Abstract

LED light is used for many medical and cosmetic applications such as phototherapy and skin rejuvenation. Such physical methods can be combined with drug therapy, such as LED-responsive drug delivery system, the subject of present investigation. To perform this investigation, a nanoliposome composed of DPPC, DSPE-PEG2000, and DCPC, was prepared as LED-sensitive systems. Calcein was loaded in the liposomes as a fluorescent probe for drug release studies. Different LED wavelengths (blue, green and red) were used for triggering release of calcein from nanoliposome. Indoor daylight, darkness, and sunlight were applied as controls. Results showed that liposomes do not release their cargo in darkness, but they released it in response to indoor daylight, sunlight and LEDs, with the blue light showing the highest effect. Results also showed that release of calcein was sensitive to wavelength. Our results reveal potential of LED-sensitive liposomes for medical and cosmetic applications and that such system can be combined with phototherapy. Such concomitant therapies can increase medical/cosmetic effects and decrease adverse reactions to phototherapy.

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