Entropy and Information in the Description of Biosystems

Аристов, В. В.; Карнаухов, А. В.; Levchenko, V. F.; Nechipurenko, Yu. D.

doi:10.1134/s0006350922040029

Cited by 2 publications

(3 citation statements)

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“…This process can be intuitively associated with an increase in entropy in a biological system. However, it is also possible to give some quantitative assessment of the entropy increase (as well as the aging of an organism) if the concept of combinatorial entropy [6] is used correctly (see Appendix A). There is also an increase in autoimmune response, one of the causes of which is the accumulation of genetic errors in cellular genomes, which reflects the degradation of the genetic information of the organism.…”

Section: A Mathematical Description Of Tissue Structure Disturbance A...mentioning

confidence: 99%

“…In the combinatorial calculation of statistical entropy (see [5,6]), due to the connectivity of the individual parts and elements of the system, the number of possible combinations is small, and the entropy is small. Over time, we can expect that these connections (and cooperativity in a biosystem) will be broken, each individual part will become more…”

Section: Supplementary Materialsmentioning

confidence: 99%

“…An overview of the application of the entropy concept in biological systems is presented in [6] (see also [7][8][9][10]). Aging in all systems (both closed and open) means a transition on different timescales from a more nonequilibrium to a less nonequilibrium (with higher entropy) state, which actually follows the second principle of thermodynamics.…”

Section: Introductionmentioning

confidence: 99%

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The Degradation and Aging of Biological Systems as a Process of Information Loss and Entropy Increase

Аристов

Карнаухов

Buchelnikov

et al. 2023

Entropy

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The problem of the degradation and aging of bioorganisms is herein considered from the viewpoint of statistical physics. Two typical timescales in biological systems—the time of metabolic processes and the time of the life cycle—are used. A kinetic equation describing the small timescales of the systems’ characteristic processes in is proposed. Maintaining a biosystem in a time-stable state requires a constant inflow of negative entropy (negentropy). Ratios are proposed to evaluate the aging and degradation of systems in terms of entropy. As an example, the aging of the epithelium is studied. The connection of our approach to the information theory of aging is discussed, as well as theoretical constructions related to the concept of cooperon and its changing with time.

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Section: A Mathematical Description Of Tissue Structure Disturbance A...mentioning

confidence: 99%

Section: Supplementary Materialsmentioning

confidence: 99%