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Scientific paper - Original scientific paper
Direct Potentiometric Method for Human Stress Determination
Chemical and Biochemical Engineering Quarterly, 29 (2015), 3; 315-321. https://doi.org/10.15255/CABEQ.2015.2175
Sakač, N.; Karnaš, M.; Grčić, M.

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Sakač, N., Karnaš, M. & Grčić, M. (2015). Direct Potentiometric Method for Human Stress Determination. Chemical and Biochemical Engineering Quarterly, 29. (3), 315-321. doi: 10.15255/CABEQ.2015.2175

Sakač, N., et al. "Direct Potentiometric Method for Human Stress Determination." Chemical and Biochemical Engineering Quarterly, vol. 29, no. 3, 2015, pp. 315-321. https://doi.org/10.15255/CABEQ.2015.2175

Sakač, N., M. Karnaš and M. Grčić. "Direct Potentiometric Method for Human Stress Determination." Chemical and Biochemical Engineering Quarterly 29, no. 3 (2015): 315-321. https://doi.org/10.15255/CABEQ.2015.2175

Sakač, N., Karnaš, M. and Grčić, M. (2015) 'Direct Potentiometric Method for Human Stress Determination', Chemical and Biochemical Engineering Quarterly, 29(3), pp. 315-321. doi: 10.15255/CABEQ.2015.2175

Sakač N, Karnaš M, Grčić M. Direct Potentiometric Method for Human Stress Determination. Chemical and Biochemical Engineering Quarterly [Internet]. 2015 [cited 2024 July 16];29(3):315-321. doi: 10.15255/CABEQ.2015.2175

N. Sakač, M. Karnaš and M. Grčić, "Direct Potentiometric Method for Human Stress Determination", Chemical and Biochemical Engineering Quarterly, vol. 29, no. 3, pp. 315-321, 2015. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:151:616712. [Accessed: 16 July 2024]

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Metadata
Title (english)Direct Potentiometric Method for Human Stress Determination
AuthorN. Sakač
AuthorM. Karnaš
AuthorM. Grčić
Author's institutionJosip Juraj Strossmayer University of Osijek
Faculty of Agrobiotechnical Sciences Osijek
(Department of agroecology and Enviroment Protection)
Scientific / art field,
discipline and subdiscipline		BIOTECHNICAL SCIENCES
Agronomy
Agrochemistry
Abstract (english)
The application of platinum redox electrode for potentiometric determination of salivary amylase activity as a stress biomarker is described. The candidates were divided into two groups, physical activity – medium intensity exercise (ten candidates), and psychical activity – student exam (thirteen candidates). The experimental data were compared with an adapted theoretical model where the sensor and analyte properties were optimized using Solver and the least-squares criterion to fit a theoretical curve into the experimental data set. It was found that, in both groups, the salivary amylase activity had increased after exposure to stress activities. For physical stress, the salivary amylase activity increase was found to be up to 699 %, with a potential difference between the trained and “untrained” candidates’ dependence; and for psychical stress, the salivary amylase activity increase was dispersed in a range from 117 % to 1201 %. Proposed methodology offers a fast and inexpensive way to determine salivary amylase activity and stress levels in humans.
Keywords (english)
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review - domestic
Publication versionPublished version
Journal titleChemical and Biochemical Engineering Quarterly
Numberingvol. 29, no. 3, pp. 315-321
p-ISSN0352-9568
e-ISSN1846-5153
DOIhttps://doi.org/10.15255/CABEQ.2015.2175
URN:NBNurn:nbn:hr:151:616712
Publication2015
Document URLhttps://hrcak.srce.hr/146995
Type of resourceText
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2024-06-19 06:56:50