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[ Special Issue : Seoul Tech Capstone Design ] | |
Journal of the Korean Society of Manufacturing Technology Engineers - Vol. 27, No. 3, pp. 300-305 | |
Abbreviation: J. Korean Soc. Manuf. Technol. Eng. | |
ISSN: 2508-5107 (Online) | |
Print publication date 15 Jun 2018 | |
Received 16 Mar 2018 Revised 30 Apr 2018 Accepted 06 May 2018 | |
DOI: https://doi.org/10.7735/ksmte.2018.27.3.300 | |
휴대용 랩온어칩을 위한 무동력 펌프 제작 | |
Fabrication of Finger-squeezing Pump for Portable Lab-on-a-chip | |
aDept. of Mechanical System Design Engineering, Seoul National University of Science and Technology, 232, Gongneung-ro, Nowon-gu, Seoul 01811, Korea | |
Correspondence to : *Tel.: +82-2-970-6351, Fax: +82-2-974-8270, E-mail address:ycho@seoultech.ac.kr (Young Hak Cho). | |
Funding Information ▼ |
We fabricated two types of finger-squeezing pumps that were integrated with a lab-on-a-chip. One was a check-valve-type pump that comprised two check valves and one pump reservoir in between, which was operated by the deformable PDMS (Polydimethylsiloxane) membrane of the check valves. The other was a PDMS-sponge-type pump that was operated by the deformation of a porous PDMS sponge. The porous PDMS sponge could be fabricated by the sugar leaching technique based on the capillary suction of pre-cured PDMS into sugar lumps. Three kinds of PDMS-sponge-type pumps were fabricated; all had different porosities owing to the different sugar grain sizes. The performance of the check-valve-type pump and the three types of PDMS-sponge-type pumps were investigated. They were integrated with microfluidic chips to detect the fluorescence of microalgae. The microfluidic chips integrated with finger-squeezing pumps are expected to be portable, disposable, and power-free chips.
Keywords: Finger-squeezing pump, Lab-on-a-chip, PDMS membrane, Check-valve, Porous PDMS sponge |
이 연구는 서울과학기술대학교 교내연구비의 지원으로 수행되었습니다.
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