Self-assembled monolayers of gold nanostars: a convenient tool for near-IR photothermal biofilm eradication

Chem Commun (Camb). 2014 Feb 25;50(16):1969-71. doi: 10.1039/c3cc48667b.

Abstract

Monolayers of gold nanostars (GNS) are grafted on mercaptopropyltrimethoxysilane-coated glass slides. In the formed monolayers the localized surface plasmon resonance of GNS can be tuned in the 700-1100 nm range. Upon laser excitation of the nearIR LSPR an efficient photothermal response is observed, inducing local hyperthermia and efficient killing of Staphylococcus aureus biofilms.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Biofilms / drug effects
  • Gold / chemistry
  • Gold / pharmacology*
  • Infrared Rays*
  • Metal Nanoparticles / chemistry*
  • Particle Size
  • Photochemical Processes
  • Silanes / chemistry
  • Silanes / pharmacology*
  • Staphylococcus aureus / drug effects*
  • Surface Properties
  • Temperature*

Substances

  • Silanes
  • Gold