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Microfluidic Chip를 이용한 PDA Bead 열 감응 센서 개발

Title
Microfluidic Chip를 이용한 PDA Bead 열 감응 센서 개발
Other Titles
Development of PDA bead thermal response sensor using Microfluidic Chip
Author
송시몬
Keywords
구슬; 미세유동칩; 센서; 공학; Bead; Microfluidic Chip; Sensor; Engineering
Issue Date
2013-12
Publisher
대한기계학회
Citation
대한기계학회 춘추학술대회, 2013, 2013(12), p.2477-2480(4쪽)
Abstract
This study addresses a fabrication process of PDA bead temperature sensor using microfluidic technique and characteristic analysis of the sensor. We synthesized liquid diacetylene monomer, methyl pentacosa-10,12-diynoate(PCDA-Me), and prepared PDA supramolecules displayed a sharp blue-to-red colorimetric transition. Entire fabrication process of PDA bead sensor consists of microdroplet generation, crystallization, and activation. Microdroplet is easily fabricated by sheathing effect and its size can be controlled by variation of flow rate ratio between core and sheath flow. After PCDA-Me droplets are collected into a reservoir (filled with aqueous solution), they are crystallized at about 0℃, and then, activated by 254 nm UV exposure showing blue color. To evaluate a sensing performance of the PDA microdroplet, we apply temperature changes to the microdroplet and analyze red fluorescence emitted from PDA microdroplet.
URI
http://www.dbpia.co.kr/Journal/ArticleDetail/NODE02365953http://hdl.handle.net/20.500.11754/56188
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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