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May 11, 2021Open    AccessArticle

Another Train Paradox: May the Myelin Be with You!

Bernard Delalande, Hirohisa Tamagawa, Vladimir Matveev
For more than 70 years, biologists and biophysicists have been trying to unravel the mystery surrounding the saltatory conduction of so-called myelinated neurons. This conduction is indeed very different and faster than for fibres “without” myelin. Many theories have been developed. Albert Einstein used the metaphor of the train to explain the theory of relativity. It is also possible to use a similar metaphor to better understand this transient functioning of the neuron: the transmission of the...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107379


Apr 20, 2021Open    AccessArticle

An Independent Cascade Propagation Model of Vespa Mandarinia Population with Propagation Index

Tong Zhou, Jin Gao, Tingzhen Liu, Yafei Jiang
The Vespa mandarinia disaster has been a problem all over the world. In the prevention and control of Vespa mandarinia, the efficiency is often low and a lot of social resources are wasted because of the inability to effectively predict the spread of Vespa mandarinia. Therefore, this paper proposes a propagation model based on independent cascade. Based on the traditional propagation model, the habit factor and propagation index are added, which makes the habit and reproduction of wasps fully co...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107345


Dec 25, 2020Open    AccessArticle

From Nernst to Bernstein and Beyond

Bernard Delalande, Hirohisa Tamagawa, Vladimir Matveev
Man has always been interested in animal electricity, which seems to be measured in every living cell. He has been fascinated by trying to elucidate the mechanisms by which this potential is created and maintained. Biology is the science that seeks to explain this mystery. Biology is based on basic sciences such as physics or chemistry. The latter, in turn, make systematic use of mathematics to measure, evaluate and predict certain phenomena and to develop “laws” and models that are as general a...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1107047


Sep 22, 2020Open    AccessArticle

Mind-Brain-Body System’s Dynamics

Claudio Messori
All the current computational mind-brain models are based on the mechanistic (mechanical philosophy) and deterministic vision of the world, conceived in the sign of Cartesian dualism and Newtonian physics, which operate in every sector of knowledge and know-how by reason of a universal mechanistic order. At present the Western theories about the position of human mind in Nature can be reduced to five: Materialism, Metaphysical idealism, Dualism, Holism, Quantum. Based on the identification of tw...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106720


Jan 10, 2020Open    AccessArticle

Radial Distortion of the Arthroscopic Transtibial Portal: A 2-Dimensional in Vitro Model

Miodrag Vranjes, Zeljka Cvejic, Natasa Todorovic, Zoran Gojkovic, Vladimir Harhaji
Purpose: To make the positioning of the anterior cruciate ligament (ACL) transplants as precise as possible, it is necessary to better visualize the foot-print. Identifying anatomic sites is complicated by image distortion inherent in arthroscopy. The standard “Outside-In” ACL reconstruction technique involves drilling a tunnel, i.e. an aperture on the surface of the tibia for the purpose of placing the bone-tendon-bone transplant
...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106035


Mar 12, 2018Open    AccessArticle

Different Protocols of Physical Training: Effect on Markers of Oxidative Stress in Erythrocytes in Rats

Marcelo Costa-Junior, Wener Barbosa-Resende, Michel Barbosa de Araújo, Rodrigo Augusto Dalia, Leandro Pereira de Moura, Luciana Alves de Medeiros, Lucas Moreira Cunha, Eliete Luciano
The imbalance between oxidant molecules and antioxidant agents is characterized as oxidative stress (OS) and may lead to severe damage to the organism. In contrast, the physical training of aerobic and resistive character promotes increases of the antioxidant response, resulting in a balance and/or minimizing damage. Therefore, the objective of the study is to verify the effect of aerobic training, resistive training and concurren
...
Open Access Library J. Vol.5, 2018
Doi:10.4236/oalib.1104411


Jul 29, 2016Open    AccessArticle

Noether’s Conservation Laws and Stability in Nonlinear Conservative Interactions

Lisa Uechi, Hiroshi Uechi
We reviewed a nonlinear dynamical model in 2n-variables which has conservative nonlinear interactions defined in terms of Noether’s theorem in dynamics. The 2-variable (n = 1) conservative nonlinear model with external perturbations produced a possible explanation for problems such as the 10-y
...
Open Access Library J. Vol.3, 2016
Doi:10.4236/oalib.1102592


Jan 26, 2016Open    AccessArticle

Mutual Interactions between the Mechanisms Maintenance Stability Internal Energy of the Open Thermodynamic Systems of “Alive Organisms” and Thermodynamic System of Atmosphere

M. R. Ponizovskiy
The development of an organism from its birthday down to its death was elucidated via fluctuations entropy from organism’s formation down to organism’s death using Glansdorff-Prigogine theory. The stability Internal Energy and Internal Medium of organisms were presented by the stable biochemical and biophysical indices which are regulated as by three levels of regulation, as well as by cellular capacitors operations. Besides estimating the mutual influences mechanism stability of open non equili...
Open Access Library J. Vol.3, 2016
Doi:10.4236/oalib.1102328


Sep 29, 2015Open    AccessArticle

The Effect of Gold Nanoparticle on Absorbed Dose by IMRT in Esophagus Phantom

Zeinabnamazi Shiraazi, Seyedrabie Mahdavi, Mohammad Mahdavi, Mahboubeh Khadem Abolfazli
This study aimed to evaluate the use of dosimeters MAGICA gel impregnated with nanoparticles of gold to increase the dose of faulty tissue in the chest phantom in the esophagus and other organs to determine the dose and dose distribution in the tissue with an IMRT treatment. In this study, based on previous studies, the optimal concentration of 0.1 mM gold nanoparticles has been considered. Also, better localization and avoid radiation received dose by other organizations around the IMRT machine...
Open Access Library J. Vol.2, 2015
Doi:10.4236/oalib.1101919


Jul 16, 2015Open    AccessArticle

Hemodynamic Forces Effective in Reshaping Vascular Geometry

Erhan Kiziltan
Besides the medical education, simulations became an attractive diagnostic method in some clinical cases. Recent advances in computerized image processing bring new practices entitled as “patient specific simulation” to the agenda. One of the successful applications which examines hemodynamic forces as a result of the interaction between blood flow and vessel wall constitutes the topic of this study. In this study, the terms and laws which provided a theoretical basis for the hemodynamic forces ...
Open Access Library J. Vol.2, 2015
Doi:10.4236/oalib.1101688


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