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|Title:||Lab-on-a-chip for measuring uric acid in biological fluids|
Martins, Júlio S.
Wilson, Cristina Pereira
Lima, Cristóvão F.
Wolffenbuttel, R. F.
Correia, J. H.
|Citation:||RIPKA, P.; SANEISTR, J., ed. lit. – “Eurosensors XVI : proceedings of the european conference on solid-state transducers, 16, Prague, 2002”. [Prague?]: Czech Technical University, 2002. p. 66-69.|
|Abstract(s):||This paper describes a lab-on-a-chip for measuring uric acid in serum, plasma or urine. The lab-on-a-chip is composed by two dies: one is fabricated in polystyrene and contains the microchannels and the other is fabricated through a CMOS process and contains the photodetector and readout electronics. The uric acid concentration is measured by using a mixture of 14 µl of infinityTM uric acid reagent with 0.25 µl of sample. The achieved sensitivity is 0.33 mg/dl (±0.6% of human being urine values), with a 1 mm lightpath. Using an optical absorption method, a maximum peak at wavelength λ = 494 nm, is detected.|
|Access:||Restricted access (UMinho)|
|Appears in Collections:||DBio - Comunicações/Communications in Congresses|
DEI - Artigos em atas de congressos internacionais
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