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Morphology of Dried Drop Patterns of Saliva from a Healthy Individual Depending on the Dynamics of Its Surface Tension

1
Department of Biology and Biological Education, Omsk State Pedagogical University, 14 Tukhachevsky str, Omsk 644043, Russia
2
Faculty of Dentistry, Omsk State Medical University, 12 Lenina str, Omsk 644099, Russia
3
Faculty of Radio Engineering, Nanoengineering, Omsk State Technical University, 11 Mira str., Omsk 644050, Russia
*
Author to whom correspondence should be addressed.
Surfaces 2019, 2(2), 395-414; https://doi.org/10.3390/surfaces2020029
Received: 14 April 2019 / Revised: 11 May 2019 / Accepted: 14 May 2019 / Published: 17 May 2019
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Abstract

Background: The study of processes in the drying drops of biological fluids (dried drop patterns) and the method of dynamic surface tensiometry can be attributed to integral methods of assessing the state of the organism. Research objective: to establish the relationship between the type of crystallization patterns and the surface tension of human saliva in normal conditions. Methods: 100 volunteers (40 males, 60 females) that were aged 30–59 participated in the study. In all saliva samples, the parameters of dynamic tensiometry, types of crystallization patterns and 11 biochemical parameters were determined. Results: No statistically significant differences in the saliva crystallization patterns were observed, depending on the age and gender characteristics of the volunteers. A negative correlation of the area of the crystallization zone and the surface tension of saliva is shown. When considering the crystallization patterns, their considerable variability was noted; on this basis, the entire studied sample was divided into four clusters by surface tension. Conclusion: In general, the crystallization patterns that are inside the selected groups remain quite heterogeneous. This increases the likelihood of making an incorrect diagnosis when using visual methods to evaluate the crystallization patterns, which significantly limits the use of such diagnostic methods in clinical practice. View Full-Text
Keywords: dried drop; crystallization patterns; dynamic surface tension; saliva; age and gender features; biochemical composition; correlations dried drop; crystallization patterns; dynamic surface tension; saliva; age and gender features; biochemical composition; correlations
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Bel’skaya, L.V.; Sarf, E.A.; Solonenko, A.P. Morphology of Dried Drop Patterns of Saliva from a Healthy Individual Depending on the Dynamics of Its Surface Tension. Surfaces 2019, 2, 395-414.

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