A method of measuring an analyte, comprising a step of measuring a detectable substance by using a reaction system including a formation reaction of the detectable substance based on a chemical reaction of the analyte contained in a sample, wherein a layered inorganic compound is caused to exist in the...http://www.google.com.au/patents/US20030203503?utm_source=gb-gplus-sharePatent US20030203503 - Method for measuring substance and testing piece
