Patent ID: 9487811
Filing Date: 2016-11-08
CPC Classification: C12Q,C23C,C25D,G01N

Claim Text:
1. A biosensor comprising: an electrode; a first printed layer formed on the electrode comprising a first matrix that includes creatinine amidohydrolase (CNH), creatine amidinohydrolase (CRH), and sarcosine oxidase (SOX); a second printed layer formed over the first printed layer comprising a second matrix that includes CRH, SOX, and catalase; and a third printed layer formed over the first printed layer such that the third printed layer is disposed between the first printed layer and the second printed layer, the third printed layer comprising a third matrix that includes CRH, wherein the second printed layer completely covers the third printed layer; and wherein the third printed layer completely covers the first printed layer.