期刊
BIOSENSORS-BASEL
卷 12, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/bios12121164
关键词
lactate detection; non-invasive; wearable biosensors; flexible substrates
资金
- National Natural Science Foundation of China
- Innovation Capability Support Plan of Shaanxi, China
- [51503168]
- [2020PT-043]
Lactate, an important product of carbohydrate metabolism in the human body, plays a significant role in disease diagnosis and treatment. The development of non-invasive wearable sensors for lactate detection is crucial for critically ill patients and individuals who need to monitor lactate levels. Biosensing, with its high sensitivity, selectivity, and ability to detect target molecules in complex matrices, offers a promising approach for lactate detection. This review discusses various types of wearable lactate biosensors, their properties, and the challenges and recommendations for future development.
Lactate, a crucial product of the anaerobic metabolism of carbohydrates in the human body, is of enormous significance in the diagnosis and treatment of diseases and scientific exercise management. The level of lactate in the bio-fluid is a crucial health indicator because it is related to diseases, such as hypoxia, metabolic disorders, renal failure, heart failure, and respiratory failure. For critically ill patients and those who need to regularly control lactate levels, it is vital to develop a non-invasive wearable sensor to detect lactate levels in matrices other than blood. Due to its high sensitivity, high selectivity, low detection limit, simplicity of use, and ability to identify target molecules in the presence of interfering chemicals, biosensing is a potential analytical approach for lactate detection that has received increasing attention. Various types of wearable lactate biosensors are reviewed in this paper, along with their preparation, key properties, and commonly used flexible substrate materials including polydimethylsiloxane (PDMS), polyethylene terephthalate (PET), paper, and textiles. Key performance indicators, including sensitivity, linear detection range, and detection limit, are also compared. The challenges for future development are also summarized, along with some recommendations for the future development of lactate biosensors.
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