Colorimeter for Reading Paper-Based Devices
Some investigators describe a point-of-care system, with a microfluidic paper device and a handheld optical colorimeter, for quantifying analyte concentrations in biological fluids. First came paper-based microfluidic devices. Then came the idea of using camera phones to relay data from paper-based assays. an inexpensive handheld colorimeter that generates quantitative data in a point-of-care analytical system. …