Nondestructive blood glucose detection device for living bodies and preparation method of nondestructive blood glucose detection device

Abstract

The invention relates to a nondestructive blood glucose detection device for living bodies and a preparation method of the nondestructive blood glucose detection device. The device comprises a workingelectrode and a counter electrode, wherein the working electrode comprises a working electrode flexible substrate, a working electrode conducting substrate and glucose oxidase, the working electrodeconducting substrate is arranged on the working electrode flexible substrate, and the working electrode conducting substrate is loaded with the glucose oxidase; and the counter electrode comprises a counter electrode flexible substrate, a counter electrode conducting substrate and a silver / silver chloride film, the counter electrode conducting substrate is arranged on the counter electrode flexible substrate, and the counter electrode conducting substrate is plated with the silver / silver chloride film. The preparation method specifically comprises the steps of: firstly acquiring graphene / carbon nanotube composite fiber fabrics, respectively loading the two graphene / carbon nanotube composite fiber fabrics with the glucose oxidase so as to obtain the working electrode, carrying out plating by virtue of the silver / silver chloride film so as to obtain the counter electrode, and finally, placing the working electrode and the counter electrode side by side. Compared with the prior art, the nondestructive blood glucose detection device has the advantages that the change of biological blood glucose concentration can be detected by virtue of a relation, established through a two-electrode system, between simulated interstitial fluid and an instant response current, and the sensitivity is high.

Description

technical field [0001] The invention belongs to the technical field of blood sugar detection, and in particular relates to a biological nondestructive blood sugar detection device and a preparation method thereof. Background technique [0002] According to relevant reports, the number of diabetic patients in the world will reach 400 million in 2030, which means that more and more people will be affected by this chronic disease, including its complications. For such patients, the current method of accurately detecting blood glucose is mainly through venous blood sampling, but this method not only cannot continuously detect changes in blood glucose, but also seriously affects the quality of life of patients and compliance with long-term monitoring. Therefore, how to build a continuous , Accurate, nondestructive blood glucose detection is an urgent problem to be solved at present. [0003] So far, the reported non-invasive blood glucose detection devices for human body are mai...

AI Technical Summary

Problems solved by technology

In order to keep the glucose oxidase from falling off, a perfluorosulfonic acid polymer (Nafion) solution is usually applied, resulting in a decrease in the conductivity of the electrode, and the sensitivity of the device is very unsatisfactory

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