Sweat and blood are two typical and significant bodily fluids. Glucose and other tiny molecules are frequently detected using these two samples. Moreover, samples for health monitoring can be taken from urine, saliva, tissue fluid, nasal discharge, semen, stomach juice, and vaginal secretions. Micro electromechanical system (MEMS) technology forms the foundation of microfluidic chips used for detecting tiny molecules in biological fluids, just like it does for other types of microfluidic chips. To enable quick and automatic detection, a large laboratory system is shrunk down and placed on a glass or plastic substrate to reproduce the complete process of biological and chemical processes.

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