1. ¼ ·Ð
1.1 Paper-based microfluidics
Patterned paper¿¡¼ ÀûÀº ¾çÀÇ fluid°¡ capillarity¿¡ ÀÇÇØ À̵¿ÇÏ´Â °ÍÀ» ÀÌ¿ëÇÑ analytical device.
1.1.1 Advantages
Inexpensive, easy to handle, eco-friendly, light¿Í °°Àº ÀÌÁ¡À» Áö´Ñ´Ù.
1.1.2 Applications
Biochemical analysis, medical test, forensic diagnostics µî¿¡¼ ƯÁ¤ ¹°ÁúÀ» detectionÇÏ´Â µ¥¿¡ ÁÖ·Î È°¿ëµÈ´Ù. °¡Àå ¸ÕÀú È°¿ëµÈ ¿¹´Â glucose¿Í proteinÀÇ ³óµµ¸¦ ¾Ë¾Æ³»±â À§ÇÑ urine analysis¿´´Ù.
(Fig.1.)
Fig.1. Urine analysis with paper-based microfluidics
1.1.3 Analysis method
AnalyteÀÇ detection, quantificationÀ» À§ÇØ colorimetric, electrochemical, chemiluminescence, electro chemiluminescence µîÀÇ method°¡ »ç¿ëµÇ´Âµ¥, ±× Áß °¡Àå ¸¹ÀÌ »ç¿ëµÇ´Â °ÍÀº colorimetric detectionÀÌ´Ù.
(1) Colorimetric assay
Colorimetric method´Â colorÀÇ º¯È¸¦ ÅëÇØ Æ¯Á¤ chemicalÀ» detectionÇÏ´Â ¹æ¹ýÀÌ´Ù. Color signalÀ» À°¾ÈÀ¸·Î ½±°Ô ½Äº°ÇÒ ¼ö ÀÖÀ¸¸ç, ´Ü¼øÇÑ °üÂû¸¸À¸·Îµµ detection °¡´ÉÇÏ´Ù´Â ÀÌÁ¡ÀÌ ÀÖ´Ù.
±× Áß Æ¯È÷ colorimetric assay´Â detection»Ó¸¸ ¾Æ´Ï¡¦(»ý·«)
|
Daniel C. Harris, Quantitative Chemical Analysis(8th ed.), W.H. Freeman and Company, p. 374(2010) Wei Tan, Microfluidic patterning of cells within biopolymer matrices for biomimetic three-dimensional structure, University of Illinois at Chicago, pp 52–53 (2001) http://www.chemspider.com/FullSearch.aspx
|