NDLI: Dynamic Detection of HbA1c Using a Silicon Nanowire Field Effect Tube Biosensor.

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Dynamic Detection of HbA1c Using a Silicon Nanowire Field Effect Tube Biosensor.

Content Provider	Europe PMC
Author	Chen, Hang Deng, Lijuan Sun, Jialin Li, Hang Zhu, Xiaoping Wang, Tong Jiang, Yanfeng
Copyright Year	2022
Abstract	As an emerging diabetes diagnostic indicator and a dynamic change index, HbA1c can not only reflect the average blood glucose level over a period of time but can also well predict the incidence of related microvascular complications. It is important to develop a detection method that can dynamically characterize HbA1c. Silicon nanowire (SiNW) devices were mass-produced using top-down sputtering technology, and a microdialyzer was installed in a SiNW field effect tube biosensor detection system. Finally, the detection system was used to detect HbA1c levels quantitatively and dynamically in experimental rabbits. Various measurements showed that mass-produced SiNW devices have ideal dimensions, stable structures, and good performance. A series of microscopy results showed that the SiNW surface can be functionalized for intermolecular interactions. The addition of a dialysis device can effectively overcome Debye shielding, making the blood test similar to the pure standard test. Finally, the dynamic detection of HbA1c within 40 h was realized. SiNW biosensors are capable of the dynamic detection of biomolecules, and dynamic observation of the interaction between blood glucose and HbA1c provides new ideas for the diagnosis and treatment of patients with diabetes. Therefore, the SiNW biosensor can reflect the dynamic changes in HbA1c in a shorter time, which has a certain potential value in the clinical treatment of diabetes.
Volume Number	12
PubMed Central reference number	PMC9688244
Issue Number	11
PubMed reference number	36354424
Journal	Biosensors (Basel)
e-ISSN	20796374
DOI	10.3390/bios12110916
Language	English
Publisher	MDPI
Publisher Date	2022-10-24
Access Restriction	Open
Rights License	Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). © 2022 by the authors.
Subject Keyword	SiNW-FET Debye shielding HbA1c diabetes dialysis dynamic detection
Content Type	Text
Resource Type	Article
Subject	Clinical Biochemistry Instrumentation Medicine Biomedical Engineering Engineering Analytical Chemistry Biotechnology

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