2007
DOI: 10.1002/masy.200750350
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Fabrication of a Nano‐Porous Polyoxazoline‐Coated Tip for Scanning Probe Nanolithography

Abstract: A nano-porous polyoxazoline-coated silicon tip was developed by ring opening polymerization of 2-methyl-2-oxazoline. The tip surface modified with the nano-porous polyoxazoline has pore sizes from 30 nm to 100 nm, which can easily absorb large-molecular-weight biomolecules in their pores. In combination with dip-pen nanolithograpy (DPN) technique, this can generate protein nanostructures 60 times faster than what one can obtain with the conventional silicon tip. We discuss the fabrication of the nano-porous po… Show more

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Cited by 7 publications
(3 citation statements)
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“…Well‐defined end functional polymers are useful as building blocks for design and synthesis of various complex macromolecular architectures such as block, star, graft copolymers etc. which find applications in biomedical, tissue engineering, materials and surface sciences . Controlled/living polymerization techniques such as nitroxide mediated polymerization, reversible addition fragmentation chain transfer and atom transfer radical polymerization (ATRP) are of much interest to synthesize such functional polymers.…”
Section: Introductionmentioning
confidence: 99%
“…Well‐defined end functional polymers are useful as building blocks for design and synthesis of various complex macromolecular architectures such as block, star, graft copolymers etc. which find applications in biomedical, tissue engineering, materials and surface sciences . Controlled/living polymerization techniques such as nitroxide mediated polymerization, reversible addition fragmentation chain transfer and atom transfer radical polymerization (ATRP) are of much interest to synthesize such functional polymers.…”
Section: Introductionmentioning
confidence: 99%
“…159 Sponge-like tips have been fabricated in order to generate nanoarrays of large molecular weight biomolecules by a physical stamping mechanism when the tip makes contact with the substrate surface. 160 159 (e) Nano-porous polyoxazoline-coated stamp tip. 160 Dip-pen nanolithography has demonstrated to be a versatile nanofabrication approach for the fabrication of biofunctional patterns.…”
Section: 143mentioning
confidence: 99%
“…160 159 (e) Nano-porous polyoxazoline-coated stamp tip. 160 Dip-pen nanolithography has demonstrated to be a versatile nanofabrication approach for the fabrication of biofunctional patterns. Efforts have been put towards increasing the patterning capabilities, in terms of parallel production with the fabrication of multiprobe arrays, and the increase of ink reservoir either by the implementation of nanochannels in the AFM cantilever or by modification of the tip surface.…”
Section: 143mentioning
confidence: 99%