Title :
Studies on cantilever based triglyceride biosensor
Author :
Fernandez, Renny Edwin ; Soma Sekhar, B.V. ; Bhattacharya, Enakshi ; Chadha, Anju
Author_Institution :
Indian Inst. of Technol. Madras, Chennai
Abstract :
We report detection of micromolar levels of triglycerides using surface micromachined polysilicon cantilever beams. Enzymatic hydrolysis of triglycerides produces glycerol which alters the viscosity and density of the solution. This affects the dynamic properties of cantilever beams immersed in the solution. The change in the resonance frequency of the cantilever beams in the solution is measured using Doppler Vibrometry and the concentration of triglyceride is determined by comparing with a predetermined calibration plot.
Keywords :
beams (structures); biosensors; cantilevers; microsensors; viscosity; Doppler vibrometry; cantilever based triglyceride biosensor; cantilever beams; enzymatic hydrolysis; glycerol; micromolar levels detection; surface micromachined polysilicon cantilever beams; viscosity; Biosensors; Chemicals; Frequency measurement; Laser beams; Monitoring; Resonance; Resonant frequency; Structural beams; Vibrometers; Viscosity; biosensor; microcantilever; resonance frequency; triglyceride; vibrometer;
Conference_Titel :
Physics of Semiconductor Devices, 2007. IWPSD 2007. International Workshop on
Conference_Location :
Mumbai
Print_ISBN :
978-1-4244-1728-5
Electronic_ISBN :
978-1-4244-1728-5
DOI :
10.1109/IWPSD.2007.4472613
