Combination of nanoparticles with photothermal effects and phase-change material enhances the non-invasive transdermal delivery of drugs

Yong Jin Kim; Bongsoo Kim; Jin Woong Kim; Gaewon Nam; Hyon Seok Jang; Sun woong Kang; Unyong Jeong

doi:10.1016/j.colsurfb.2015.07.061

Combination of nanoparticles with photothermal effects and phase-change material enhances the non-invasive transdermal delivery of drugs

Yong Jin Kim, Bongsoo Kim, Jin Woong Kim, Gaewon Nam, Hyon Seok Jang, Sun woong Kang, Unyong Jeong

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

We describe a promising non-invasive transdermal delivery system comprising block copolymer composite micelles that contained a phase-change material (PCM), photothermal Au nanoparticles (AuNPs), and hydrophobic drugs in the core. To minimize cell toxicity, we developed block copolymer micelles with a poly(e{open}-caprolactone) (PCL) biodegradable core and a hyperbranched polyglycol (hbPG) shell. The hbPG block formed micelles at a low-molecular-weight fraction of a low-molecular-weight block copolymer. The composite micelles showed excellent biocompatibility with cell viability at high concentrations. Visible light irradiation (λ=520nm) of the composite micelles induced the photothermal effects of the AuNPs and melting of the PCM (lauric acid); hence, the drugs were released along with the PCM liquid. The release rate was controlled by the light intensity. Based on in vitro and in vivo skin penetration studies, the skin permeability of the drug remarkably improved under mild light irradiation (18J/cm²) that was much lower than the dose that causes skin damage.

Original language	English
Pages (from-to)	324-331
Number of pages	8
Journal	Colloids and Surfaces B: Biointerfaces
Volume	135
DOIs	https://doi.org/10.1016/j.colsurfb.2015.07.061
Publication status	Published - 2015 Nov 1

Keywords

Au nanoparticles
Block copolymer micelle
Phase changing materials
Photothermal effect
Transdermal delivery

ASJC Scopus subject areas

Biotechnology
Surfaces and Interfaces
Physical and Theoretical Chemistry
Colloid and Surface Chemistry

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10.1016/j.colsurfb.2015.07.061

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Combination of nanoparticles with photothermal effects and phase-change material enhances the non-invasive transdermal delivery of drugs. / Kim, Yong Jin; Kim, Bongsoo; Kim, Jin Woong; Nam, Gaewon; Jang, Hyon Seok; Kang, Sun woong; Jeong, Unyong.

In: Colloids and Surfaces B: Biointerfaces, Vol. 135, 01.11.2015, p. 324-331.

Research output: Contribution to journal › Article › peer-review

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abstract = "We describe a promising non-invasive transdermal delivery system comprising block copolymer composite micelles that contained a phase-change material (PCM), photothermal Au nanoparticles (AuNPs), and hydrophobic drugs in the core. To minimize cell toxicity, we developed block copolymer micelles with a poly(e{open}-caprolactone) (PCL) biodegradable core and a hyperbranched polyglycol (hbPG) shell. The hbPG block formed micelles at a low-molecular-weight fraction of a low-molecular-weight block copolymer. The composite micelles showed excellent biocompatibility with cell viability at high concentrations. Visible light irradiation (λ=520nm) of the composite micelles induced the photothermal effects of the AuNPs and melting of the PCM (lauric acid); hence, the drugs were released along with the PCM liquid. The release rate was controlled by the light intensity. Based on in vitro and in vivo skin penetration studies, the skin permeability of the drug remarkably improved under mild light irradiation (18J/cm2) that was much lower than the dose that causes skin damage.",

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N2 - We describe a promising non-invasive transdermal delivery system comprising block copolymer composite micelles that contained a phase-change material (PCM), photothermal Au nanoparticles (AuNPs), and hydrophobic drugs in the core. To minimize cell toxicity, we developed block copolymer micelles with a poly(e{open}-caprolactone) (PCL) biodegradable core and a hyperbranched polyglycol (hbPG) shell. The hbPG block formed micelles at a low-molecular-weight fraction of a low-molecular-weight block copolymer. The composite micelles showed excellent biocompatibility with cell viability at high concentrations. Visible light irradiation (λ=520nm) of the composite micelles induced the photothermal effects of the AuNPs and melting of the PCM (lauric acid); hence, the drugs were released along with the PCM liquid. The release rate was controlled by the light intensity. Based on in vitro and in vivo skin penetration studies, the skin permeability of the drug remarkably improved under mild light irradiation (18J/cm2) that was much lower than the dose that causes skin damage.

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Combination of nanoparticles with photothermal effects and phase-change material enhances the non-invasive transdermal delivery of drugs

Abstract

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