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Low-autofluorescence fluoropolymer membrane filters for cell filtration

  • Naoto Kihara
  • , Daiki Kuboyama
  • , Daisuke Onoshima
  • , Kenji Ishikawa
  • , Hiromasa Tanaka
  • , Naoya Ozawa
  • , Tetsunari Hase
  • , Ryohei Koguchi
  • , Hiroshi Yukawa
  • , Hidefumi Odaka
  • , Yoshinori Hasegawa
  • , Yoshinobu Baba
  • , Masaru Hori

Research output: Contribution to journalArticlepeer-review

Abstract

A fluoropolymer membrane filter with through-holes was fabricated by photolithographic patterning and the dry etching method. 380,000 highly packed through-holes, each with a diameter of 7 µm were able to cover a whole area with a diameter of 13 mm. Ethylene tetrafluoroethylene (ETFE) was used as the membrane, which was suitable for the fluorescence detection of rare cells such as circulating tumor cells (CTCs) in human blood. The device fabrication for the size based capture of rare cells in blood such as CTCs is realized in this study.

Original languageEnglish
Article number06JF03
JournalJapanese Journal of Applied Physics
Volume57
Issue number6
DOIs
Publication statusPublished - 06-2018
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Engineering
  • General Physics and Astronomy

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