Journal
CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
Volume 45, Issue 11, Pages 1734-1742Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/S1872-2040(17)61050-8
Keywords
Microfluidics; Bacteria; Chemotaxis; Microenvironment; Review
Categories
Funding
- National Natural Science Foundation of China [61674046]
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Chemotaxis is the response ability of motile cells to chemicals gradients in environment and the migration toward higher concentration of chemoattractant or lower concentration of repellent. This mechanism is a basic nature of microorganisms to adapt to the environmental changes. The research of microbial chemotaxis is of great significance in utilizing bacteria to solve environment problems, control the pathogen infection, and develop microbial industrial projects. Microfluidic devices can realize qualitative and quantitative detection of bacterial chemotaxis. In comparison with traditional detection methods, microfluidic assay has an accurate control over bacterial microenvironment with higher sensitivity. In the past few years, the study on bacterial chemotaxis based on microfluidic assay was developed rapidly. In this paper, the microfluidic chemotaxis detectors that appeared in recent years were introduced from the aspects of chip structure, working principle and their applications. Finally, we provided insights into the challenges of bacterial chemotaxis and provided future perspectives.
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