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

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

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.

Original languageEnglish
Title of host publicationAdvances in Bionic Engineering
Pages809-813
Number of pages5
DOIs
StatePublished - 2014
Event4th International Conference of Bionic Engineering, ICBE 2013 - Nanjing, China
Duration: 13 Aug 201316 Aug 2013

Publication series

NameApplied Mechanics and Materials
Volume461
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference4th International Conference of Bionic Engineering, ICBE 2013
Country/TerritoryChina
CityNanjing
Period13/08/1316/08/13

Keywords

  • Biosenor
  • Biosensing
  • Diatom
  • Hierarchical structure
  • Microfluidic chip

Fingerprint

Dive into the research topics of 'Culturing and bonding of diatom on a microfluidic chip for biosensing application'. Together they form a unique fingerprint.

Cite this