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dc.contributor.authorSam Ang Supharoeken_US
dc.contributor.authorNapaporn Youngvisesen_US
dc.contributor.authorJaroon Jakmuneeen_US
dc.description.abstractA simple and inexpensive method for fabricating a microfluidic platform was developed. A printed circuit board (PCB) was used to make a master mold for replicating a polydimethylsiloxane (PDMS) microchannel. The master mold was fabricated by a simple photolithographic method, employing a photoresist dry film. The process did not use hazardous chemicals, a clean room or any expensive instrument. The PDMS microchannel was clamped with polymethylmethacrylate (PMMA) plates, where a light emitting diode (LED) as a light source and a light dependent resistor (LDR) as a light sensor were attached to form a simple optical sensor. The system was successfully employed as a micro flow injection analysis for the determination of glutathione in dietary supplement samples. A linear calibration graph in the range of 5.0-60.0 mg L-1 glutathione was obtained with a detection limit of 0.01 mg L-1. The system provided a sample throughput of 48 h-1, with microliter consumption of the reagent. © The Japan Society for Analytical Chemistry.en_US
dc.titleA Simple Microfluidic Integrated with an Optical Sensor for Micro Flow Injection Colorimetric Determination of Glutathioneen_US
article.title.sourcetitleAnalytical Sciencesen_US
article.volume28en_US Mai Universityen_US Universityen_US
Appears in Collections:CMUL: Journal Articles

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