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Development of Polydiacetylene-Embedded Microfibers Using 3-D Hydrodynamic Focusing Technique

[+] Author Affiliations
Imsung Yoo, Jeesoo Lee, Simon Song

Hanyang University, Seoul, Korea

Paper No. AJK2011-36011, pp. 321-323; 3 pages
doi:10.1115/AJK2011-36011
From:
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 2, Fora
  • Hamamatsu, Japan, July 24–29, 2011
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-4441-0
  • Copyright © 2011 by KSME

abstract

Polydiacetylene (PDA), conjugated polymer, is an attractive sensor material that has a unique optical property to transform its color from visible blue to fluorescent red upon environmental perturbations like heat, pH, specific metal ions, and etc. In this study, we propose a novel method to detect metal ions by using polydiacetylene (PDA)-embedded sensor microfibers fabricated with a 3-D hydrodynamic focusing technique using alginate and calcium solutions. Moreover, by changing the head groups of PDA, we successfully detected Al3+ and Zn2+ ions up to 1mM using PDA micro fibers.

Copyright © 2011 by KSME

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