Fabrication and characterization of quartz nanopillars for DNA separation by size

Ryo Ogawa, Noritada Kaji, Shingi Hashioka, Yoshinobu Baba, Yasuhiro Horiike

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

We fabricated two different distributions of nanopillars-tilted and square distributions. There are difficulties in fabricating a chip containing these nanopillars, particularly in Ni plating and quartz bonding. We improved the Ni plating by applying stable electric current and the reliability of the quartz bonding. In nanopillars with a square distribution, DNA showed conformational changes, and did not show any reptile motion, but moved in a straight line in contrast with its behavior in nanopillars with a tilted distribution. Nanopillars with a tilted distribution acted effectively as sieves for DNA separation by size.

Original languageEnglish
Pages (from-to)2771-2774
Number of pages4
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume46
Issue number4 B
DOIs
Publication statusPublished - Apr 24 2007

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Plating
Quartz
DNA
deoxyribonucleic acid
quartz
Fabrication
fabrication
Sieves
Electric currents
plating
reptiles
sieves
electric current
chips

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Fabrication and characterization of quartz nanopillars for DNA separation by size. / Ogawa, Ryo; Kaji, Noritada; Hashioka, Shingi; Baba, Yoshinobu; Horiike, Yasuhiro.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 46, No. 4 B, 24.04.2007, p. 2771-2774.

Research output: Contribution to journalArticle

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