Parylene mobile microplates integrated with an enzymatic release for handling of single adherent cells

Tetsuhiko Teshima, Hiroaki Onoe, Kaori Kuribayashi-Shigetomi, Hiroka Aonuma, Koki Kamiya, Hirotaka Ishihara, Hirotaka Kanuka, Shoji Takeuchi

研究成果: Article査読

22 被引用数 (Scopus)

抄録

An approach for manipulating single adherent cells is developed that is integrated with an enzymatic batch release. This strategy uses an array of releasable microfabricated mobile substrates, termed microplates, formed from a biocompatible polymer, parylene. A parylene microplate array of 10-70 μm in diameter can be formed on an alginate hydrogel sacrificial layer by using a standard photolithographic process. The parylene surfaces are modified with fibronectin to enhance cell attachment, growth, and stretching. To load single cells onto these microplates, cells are initially placed in suspension at an optimized seeding density and are allowed to settle, stretch, and grow on individual microplates. The sacrificial layer underneath the microplate array can be dissolved on a time-scale of several seconds without cytotoxicity. This system allows the inspection of selected single adherent cells. The ability to assess single cells while maintaining their adhesive properties will broaden the examination of a variety of attributes, such as cell shape and cytoskeletal properties.

本文言語English
ページ(範囲)912-921
ページ数10
ジャーナルSmall
10
5
DOI
出版ステータスPublished - 2014 3月 12
外部発表はい

ASJC Scopus subject areas

  • バイオテクノロジー
  • 生体材料
  • 化学 (全般)
  • 材料科学(全般)

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