In a biosensor for measuring a specific substance in a liquid sample, one or a combination of sugar alcohol, metallic salt, organic acid or organic acid salt which has at least one carboxyl group in a molecule, and organic acid or organic acid salt which has at least one carboxyl group and one amino...http://www.google.ca/patents/US6911131?utm_source=gb-gplus-sharePatent US6911131 - Biosensor
