Proposal of Electrode for Measuring Glucose Concentration in Blood

Fiedorova, Klara; Augustýnek, Martin; Klinkovskÿ, Tomáš

doi:10.1007/978-981-10-9023-3_145

Cited by 1 publication

(3 citation statements)

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“…The research is based on the work of The Proposal of an Electrode for Measuring Glucose Concentration in Blood [28], where the authors presented a basic study of the electrode system for the determination of blood glucose levels. The research suggests an electrode for measuring glucose concentration together with a measuring circuit; this system ensures the supply of the required voltage to the analyzed sample and at the same time detection of current, the magnitude of which corresponds to the electrochemical reaction between the enzyme glucose oxidase and glucose.…”

Section: Related Workmentioning

confidence: 99%

“…The last opamp adjusts the negative voltage, it serves only as a signal inventor. The resulting positive voltage at the end of the measurement chain then displays a voltage value proportional to the glucose concentration in the measured solution [15,28,30,33].…”

Section: Measuring and Power Supply Circuitmentioning

confidence: 99%

“…An artificial ground is created from the output of the operational amplifier. Another voltage divider with 150 k

and 100 k

resistors creates a voltage of 0.6 V, which is applied to the working electrode by means of a connecting wire and pinhead [ 15 , 28 , 30 , 33 ].…”

Section: Electrode Measuring Systemmentioning

confidence: 99%

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Analysis and Testing of a Suitable Compatible Electrode’s Material for Continuous Measurement of Glucose Concentration

Slaninova

Fiedorova

Selamat

et al. 2020

Sensors

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The subject of the submitted work is the proposal of electrodes for the continual measurement of the glucose concentration for the purpose of specifying further hemodynamic parameters. The proposal includes the design of the electronic measuring system, the construction of the electrodes themselves and the functionality of the entire system, verified experimentally using various electrode materials. The proposed circuit works on the basis of micro-ammeter measuring the size of the flowing electric current and the electrochemical measurement method is used for specifying the glucose concentration. The electrode system is comprised of two electrodes embedded in a silicon tube. The solution consists of the measurement with three types of materials, which are verified by using three solutions with a precisely given concentration of glucose in the form of a mixed solution and enzyme glucose oxidase. For the testing of the proposed circuit and the selection of a suitable material, the testing did not take place on measurements in whole blood. For the construction of the electrodes, the three most frequently used materials for the construction of electrodes used in clinical practice for sensing biopotentials, specifically the materials Ag/AgCl, Cu and Au, were used. The performed experiments showed that the material Ag/AgCl, which had the greatest sensitivity for the measurement even without the enzyme, was the most suitable material for the electrode. This conclusion is supported by the performed statistical analysis. On the basis of the testing, we can come to the conclusion that even if the Ag/AgCl electrode appears to be the most suitable, showing high stability, gold-plated electrodes showed stability throughout the measurement similarly to Ag/AgCl electrodes, but did not achieve the same qualities in sensitivity and readability of the measured results.

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Section: Related Workmentioning

confidence: 99%