Hybrid hierarchical patterns of gold nanoparticles and poly(ethylene glycol) microstructures | Zendy

Jingyu Chen | Zendy; Manar M. Arafeh | Zendy; Amandine Guiet | Zendy; Diana Felkel | Zendy; Axel Loebus | Zendy; Susan M. Kelleher | Zendy; Anna Fischer | Zendy; Marga C. Lensen | Zendy

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Hybrid hierarchical patterns of gold nanoparticles and poly(ethylene glycol) microstructures

Author(s) -

Jingyu Chen,

Manar M. Arafeh,

Amandine Guiet,

Diana Felkel,

Axel Loebus,

Susan M. Kelleher,

Anna Fischer,

Marga C. Lensen

Publication year - 2013

Publication title -

journal of materials chemistry c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.899

H-Index - 128

eISSN - 2050-7534

pISSN - 2050-7526

DOI - 10.1039/c3tc30811a

Subject(s) - materials science , ethylene glycol , wafer , embossing , colloidal gold , peg ratio , nanotechnology , nanoparticle , polyethylene glycol , silicon , lithography , adhesive , self healing hydrogels , molding (decorative) , chemical engineering , composite material , polymer chemistry , optoelectronics , layer (electronics) , engineering , finance , economics

Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich.This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence (funded by the DFG, German Research Foundation) respectively.Hybrid surface micro-patterns composed of topographic structures of polyethylene glycol (PEG)-hydrogels and hierarchical lines of gold nanoparticles (Au NPs) were fabricated on silicon wafers. Micro-sized lines of Au NPs were first obtained on the surface of a silicon wafer via “micro-contact deprinting”, a method recently developed by our group. Topographic micro-patterns of PEG, of both low and high aspect ratio (AR up to 6), were then aligned on the pre-patterned surface via a procedure adapted from the soft lithographic method MIMIC (Micro-Molding in Capillaries), which is denoted as “adhesive embossing”. The result is a complex surface pattern consisting of alternating flat Au NP lines and thick PEG bars. Such patterns provide novel model surfaces for elucidating the interplay between (bio)chemical and physical cues on cell behavior.DFG, EXC 314, Unifying Concepts in Catalysi

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