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Latex Immunoagglutination Assay in Lab-on-a-Chip
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Biological Engineering Transactions. 1(1): 79-94. (doi: 10.13031/2013.24195) @2007
Authors: Jeong-Yeol Yoon
Keywords: Immunoagglutination, Lab-on-a-chip, Latex agglutination test, Light scattering, Microdrop, Microfluidic device, Nephelometry, Point-of-care
Latex immunoagglutination assay (LIA), also known as latex agglutination test or turbidimetric/nephelometric particle immunoassay, has been popular in clinical diagnostics due to its simplicity. Lab-on-a-chip, a miniaturized laboratory device made with semiconductor manufacturing technologies, has a strong potential in point-of-care testing (POCT). Demonstration of LIA in lab-on-a-chip format, both microchannel and microdrop types, has not been fully successful due to the mixing problem inherent in lab-on-a-chip. In this article, current technical hurdles for conducting LIA in lab-on-a-chip are addressed, such as mixing, optical detection, and device reusability, and possible solutions are suggested. In addition, potential applications are presented, including medical/veterinary diagnostics, detection of waterborne pathogens, and controlled environment agriculture.(Download PDF) (Export to EndNotes)