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Culturing and bonding of diatom on a microfluidic chip for biosensing application

  • Beihang University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

In order to fabricate biosensors with high sensitivity, the diatom Coscinodiscus excentricus was cultured on a microfluidic chip made with polydimethylsiloxane (PDMS), then the organic matter of diatom cells was removed and only diatom frustules were left, after which the cleaned frustules were bonded onto the bottom of the PDMS micro chamber by ultraviolet irradiation. The overview and the detailed morphology of the frustules in the chamber were analyzed by SEM, and the ultraviolet irradiation bonding mechanism of diatom with PDMS was discussed. Finally, the diatom based microfluidic chip was tested with the fluorescein-labeled protein; and the result showed that the fluorescence intensity of the diatom was 4 times stronger compared with that of the surrounding blank region.

源语言英语
主期刊名Advances in Bionic Engineering
809-813
页数5
DOI
出版状态已出版 - 2014
活动4th International Conference of Bionic Engineering, ICBE 2013 - Nanjing, 中国
期限: 13 8月 201316 8月 2013

出版系列

姓名Applied Mechanics and Materials
461
ISSN(印刷版)1660-9336
ISSN(电子版)1662-7482

会议

会议4th International Conference of Bionic Engineering, ICBE 2013
国家/地区中国
Nanjing
时期13/08/1316/08/13

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