“…The development of low cost, portable and quantitative methods for personal health care, especially for convenient home health care testing, are a promising area of analytic chemistry. 1,2 Up to now, successful devices that are commercially available to the public include thermometers, sphygmometers, personal glucose meters (PGMs), 3 and so on. However, most of these devices can only be applied to detect specic targets, such as temperature, blood pressure, or glucose.…”