Fabrication of micropatterns of nanoarrays on a polymeric gel surface

Nanoscale
Peng LiuJiandong Ding

Abstract

Micro-nano patterns of gold on the surface of poly(ethylene glycol) (PEG) hydrogels were prepared. The approach combines the technique of conventional photolithography (a top-down method for micropatterns), block copolymer micelle nanolithography (a bottom-up method for gold nanopatterns), and a linker-assistant technique to transfer a pattern on a hard surface to a polymeric surface. Hybrid micro-nano patterns on hydrogels were characterized using scanning electron microscopy, atomic force microscopy and X-ray photoelectron spectroscopy. The patterned Au nanoparticles were further modified by a peptide containing arginine-glycine-aspatate (RGD). The cell-adhesion contrast of the patterned hydrogel surface was confirmed by preliminary cell experiments.

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Citations

Feb 23, 2013·ACS Applied Materials & Interfaces·Yunfeng LiBai Yang
Jun 15, 2013·Beilstein Journal of Nanotechnology·Patrick A Schaal, Ulrich Simon
Mar 6, 2012·Colloids and Surfaces. B, Biointerfaces·Weixing ShenPeng Liu
Aug 2, 2011·Small·Nicolas ClémentDominique Vuillaume
Sep 17, 2013·Advanced Materials·Xiang YaoJiandong Ding
Oct 23, 2010·Macromolecular Bioscience·Laura E DickinsonSharon Gerecht
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Aug 2, 2014·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Aline M Thomas, Lonnie D Shea
Nov 11, 2014·Beilstein Journal of Nanotechnology·Jorge TrasobaresNicolas Clément

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