Plasma polymerization for protein patterning

Reversible formation with fullerene modification

Hayato Takahashi, Naoya Murata, Hitoshi Muguruma

Research output: Contribution to journalArticle

Abstract

Partial plasma polymerization for coexistence of hydrophobic/ hydrophilic area in several ten micrometer size is the typical technique for protein patterning. A hydrophobic hexamethyldisiloxane plasma-polymerized film (HMDS PPF) was deposited on a glass substrate and this surface was partially modified by subsequent nitrogen plasma treatment (hydrophilic surface, HMDS-N PPF) with a patterned shadow mask. An antibody protein (F(ab')2 fragment of anti-human immunoglobulin G) was selectively adsorbed onto the HMDS-N area and was not adsorbed onto the HMDS area. Distinct 80×80 μm2 square spots surrounded by a non-protein adsorbed 80 μm-wide grid were observed. Then, when the protein modified by fullerene was used, the reversible patterning was obtained. This indicated that the modification by fullerene changed the hydrophilic nature of F(ab')2 protein to hydrophobic one, as a result, the modified protein was selectively adsorbed onto hydrophobic area.

Original languageEnglish
Pages (from-to)211-213
Number of pages3
JournalIEICE Transactions on Electronics
VolumeE93-C
Issue number2
DOIs
Publication statusPublished - 2010

Fingerprint

Fullerenes
Plasma polymerization
Proteins
Nitrogen plasma
Antibodies
Surface treatment
Masks
Immunoglobulin G
Plasmas
Glass
Substrates

Keywords

  • Adsorption
  • Antibody
  • F(ab') fragment
  • Fullerene
  • Patterning
  • Plasma-polymerized film

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

Cite this

Plasma polymerization for protein patterning : Reversible formation with fullerene modification. / Takahashi, Hayato; Murata, Naoya; Muguruma, Hitoshi.

In: IEICE Transactions on Electronics, Vol. E93-C, No. 2, 2010, p. 211-213.

Research output: Contribution to journalArticle

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