Leadway (Hk) Limited

Yu Long Sun

Li Zhang

Yan Cheng

Yong Gang Huang

Xin Liang Xiang

Jin Liang Shi

The present invention provides an electrochemical test strip () for detecting multiple indicators and a test method thereof. The electrochemical test strip includes a first biosensor () provided with an insulating substrate (), a first electrode system, a first channel forming layer () and a first upper cover layer (), and a second biosensor () provided with an insulating substrate (), a second electrode system, a second channel forming layer () and a second upper cover layer (). The first biosensor () and the second biosensor () are located on the front and back sides of the electrochemical test strip (), respectively. A sample addition port () of the electrochemical test strip () is in liquid communication with a first channel forming area () of the first biosensor () and a second channel forming area () of the second biosensor (), respectively.

Electrochemical test strip for testing multiple indicators, and testing method thereof

Provided are a potentiometric biosensor () and a method for detecting urea concentration in a sample. The potentiometric biosensor () comprises an indication electrode () and a reference electrode (). A second reaction reagent on the indication electrode () comprises a urease but does not comprise an electron transporter. A first reaction reagent on the reference electrode () comprises an electron transporter but does not comprise a urease. In the case where no external voltage is applied, after a blood sample has been added, the urease catalyzes the reaction of urea in the sample, thereby causing a potential difference between the indication electrode () and the reference electrode (). Furthermore, the potential difference between the indication electrode () and the reference electrode () is in a linear relationship with the urea concentration in the sample, and the urea concentration in the sample can be calculated according to such linear relationship.

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Zhejiang, China

Yu Long Sun