YSI Life Sciences

Innovative Enzyme Biosensor Technology
Process Monitoring & Control
Simple, Versatile Food Analysis


YSI Life Sciences products provide measurement solutions for clinical, industrial, and research applications. YSI pioneered enzyme electrode technology for whole blood glucose measurements and further developed that technology for many clinical and industrial applications.


Bioprocessing - YSI analyzers measure important nutrients like glucose, glutamine, and methanol; and can monitor the level of potentially harmful byproducts like lactate and ammonium. Biopharma uses YSI rapid electrode-based measurements to both monitor and control processes.

Medical Research - YSI analyzers measure glucose and lactate in blood, plasma, serum and cerebrospinal fluid. YSI 2900 Series Analyzers are used extensively for glucose measurement in diabetes research and glucometer manufacturing settings; and for lactate in exercise physiology and athlete training programs.

Food & Beverage - YSI analyzers measure selected key ingredients and byproducts in process settings and in quality assurance laboratories. Among the analytes are glucose, sucrose, lactose, starch, choline, glutamate and ethanol. In food spoilage applications lactate and ethanol levels provide quantitative evidence of unwanted microbes.


Biofuels - YSI analyzers measure xylose and glucose to monitor fermentation progress in cellulosic ethanol research and measure residual ethanol during distillation in production facilities.

Physiology Research - YSI analyzers measure key analytes mentioned above. Results provide information related to growth factors, metabolism, toxic agents, and more.

Online Monitoring & Control - YSI offers several products for on-line monitoring and control of key analytes in cell culture bioreactors. The YSI 2900M Online Monitor & Control System offers a cost-effective, simple method for monitoring (and with the addition of a feed pump, control).

Download Biochemistry Customer Applications Guide