Determination of Organophosphorus and Carbamate Pesticides Using a Piezoelectric Biosensor
Тип публикации: Journal Article
Дата публикации: 1998-05-30
SCImago Q1
Tоп 10% SCImago
WOS Q1
БС1
SJR: 1.358
CiteScore: 10.7
Impact factor: 7.3
ISSN: 00032700, 15206882, 21542686
Analytical Chemistry
Краткое описание
A biosensor based on the quartz crystal microbalance has been developed for the determination of organophosphorus and carbamate pesticides. Detection is based on the inhibitory effects of these compounds on the activity of acetylcholinesterase immobilized on one of the faces of the crystal. Exposure of the immobilized enzyme to a solution of the histological substrate, 3-indolyl acetate, gives rise to the formation of an indigo pigment insoluble product that deposits (precipitates) on the crystal surface. The rate and extent of the enzymatic reaction can be followed in real time by measuring the frequency changes associated with the mass changes at the crystal surface induced by the accumulation of the enzymatic reaction product (indigo pigment). The presence of paroxon (organophosphorus pesticide) or carbaryl (carbamate pesticide) is detected by a diminution of the signal (frequency change) arising from their inhibitory effects. Calibration curves were constructed by plotting the percentage of inhibition...
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ГОСТ |
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BibTex |
MLA
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ГОСТ
Скопировать
Abad J. et al. Determination of Organophosphorus and Carbamate Pesticides Using a Piezoelectric Biosensor // Analytical Chemistry. 1998. Vol. 70. No. 14. pp. 2848-2855.
ГОСТ со всеми авторами (до 50)
Скопировать
Abad J., Pariente F., HERNÁNDEZ L., Abruña H. D., Lorenzo E. Determination of Organophosphorus and Carbamate Pesticides Using a Piezoelectric Biosensor // Analytical Chemistry. 1998. Vol. 70. No. 14. pp. 2848-2855.
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RIS
Скопировать
TY - JOUR
DO - 10.1021/ac971374m
UR - https://doi.org/10.1021/ac971374m
TI - Determination of Organophosphorus and Carbamate Pesticides Using a Piezoelectric Biosensor
T2 - Analytical Chemistry
AU - Abad, J.M.
AU - Pariente, F
AU - HERNÁNDEZ, L.
AU - Abruña, H. D.
AU - Lorenzo, Encarnación
PY - 1998
DA - 1998/05/30
PB - American Chemical Society (ACS)
SP - 2848-2855
IS - 14
VL - 70
SN - 0003-2700
SN - 1520-6882
SN - 2154-2686
ER -
Цитировать
BibTex (до 50 авторов)
Скопировать
@article{1998_Abad,
author = {J.M. Abad and F Pariente and L. HERNÁNDEZ and H. D. Abruña and Encarnación Lorenzo},
title = {Determination of Organophosphorus and Carbamate Pesticides Using a Piezoelectric Biosensor},
journal = {Analytical Chemistry},
year = {1998},
volume = {70},
publisher = {American Chemical Society (ACS)},
month = {may},
url = {https://doi.org/10.1021/ac971374m},
number = {14},
pages = {2848--2855},
doi = {10.1021/ac971374m}
}
Цитировать
MLA
Скопировать
Abad, J.M., et al. “Determination of Organophosphorus and Carbamate Pesticides Using a Piezoelectric Biosensor.” Analytical Chemistry, vol. 70, no. 14, May. 1998, pp. 2848-2855. https://doi.org/10.1021/ac971374m.
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