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.
- Fluids Engineering Division
Development of Polydiacetylene-Embedded Microfibers Using 3-D Hydrodynamic Focusing Technique
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Yoo, I, Lee, J, & Song, S. "Development of Polydiacetylene-Embedded Microfibers Using 3-D Hydrodynamic Focusing Technique." Proceedings of the 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. pp. 321-323. ASME. https://doi.org/10.1115/AJK2011-36011
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