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 journalArticle

12 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 languageEnglish
Pages (from-to)324-331
Number of pages8
JournalColloids and Surfaces B: Biointerfaces
Volume135
DOIs
Publication statusPublished - 2015 Nov 1

Fingerprint

phase change materials
Phase change materials
Micelles
Nanoparticles
delivery
micelles
drugs
nanoparticles
block copolymers
Block copolymers
Skin
lauric acid
Pharmaceutical Preparations
low molecular weights
Light
composite materials
Composite materials
Molecular Weight
Molecular weight
Irradiation

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

Cite this

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 journalArticle

Kim, Yong Jin ; Kim, Bongsoo ; Kim, Jin Woong ; Nam, Gaewon ; Jang, Hyon Seok ; Kang, Sun woong ; Jeong, Unyong. / Combination of nanoparticles with photothermal effects and phase-change material enhances the non-invasive transdermal delivery of drugs. In: Colloids and Surfaces B: Biointerfaces. 2015 ; Vol. 135. pp. 324-331.
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