| LACINA, Karel and Petr SKLÁDAL. Bipolar transistor amplifier for transduction of electrochemicalresponse to visual perception. SENSORS AND ACTUATORS B: CHEMICAL. Lausanne (Switzerland): Elsevier Science, 2015, vol. 210, April, p. 183-189. ISSN 0925-4005. Available from: https://dx.doi.org/10.1016/j.snb.2014.12.110. |
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@article{1299844,
author = {Lacina, Karel and Skládal, Petr},
article_location = {Lausanne (Switzerland)},
article_number = {April},
doi = {http://dx.doi.org/10.1016/j.snb.2014.12.110},
keywords = {Simple electrochemical detection; Electrochemical transduction; Point-of-care diagnostics; Transistor; Visual readout},
language = {eng},
issn = {0925-4005},
journal = {SENSORS AND ACTUATORS B: CHEMICAL},
title = {Bipolar transistor amplifier for transduction of electrochemicalresponse to visual perception},
url = {http://www.sciencedirect.com/science/article/pii/S0925400514016566},
volume = {210},
year = {2015}
}
TY - JOUR
ID - 1299844
AU - Lacina, Karel - Skládal, Petr
PY - 2015
TI - Bipolar transistor amplifier for transduction of electrochemicalresponse to visual perception
JF - SENSORS AND ACTUATORS B: CHEMICAL
VL - 210
IS - April
SP - 183-189
EP - 183-189
PB - Elsevier Science
SN - 09254005
KW - Simple electrochemical detection
KW - Electrochemical transduction
KW - Point-of-care diagnostics
KW - Transistor
KW - Visual readout
UR - http://www.sciencedirect.com/science/article/pii/S0925400514016566
L2 - http://www.sciencedirect.com/science/article/pii/S0925400514016566
N2 - A simple device for the transduction of an electrochemical signal to a visual readout suitable for point of care diagnostics has been designed. The transducer consists of an electrochemical cell and a 4-electronic components circuit, namely two resistors, one transistor and one light emitting diode (LED). The response from the electrochemical cell is amplified by the transistor providing output for the direct visual readout with the naked eye. Function of the device was verified in the experiments with hydrogen peroxide. Simple adjustment of the values of resistors provided tuneable sensitivity, positive threshold level and limit of detection as well. The biosensing abilities of the proposed system were tested on the analytical model using immobilised glucose oxidase. The principal benefits of the proposed platform include uniquely low construction costs and high simplicity. This approach is innovative in the transduction/conversion of the signal to visual perception and also in the signal generation – no potentiostat nor galvanostat are used compared to the majority of electrochemical measurements.
ER -
LACINA, Karel and Petr SKLÁDAL. Bipolar transistor amplifier for transduction of electrochemicalresponse to visual perception. \textit{SENSORS AND ACTUATORS B: CHEMICAL}. Lausanne (Switzerland): Elsevier Science, 2015, vol.~210, April, p.~183-189. ISSN~0925-4005. Available from: https://dx.doi.org/10.1016/j.snb.2014.12.110.
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