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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

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

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...

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...

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 ...

Apr 15, 2015Open    AccessArticle

Wettability and Surface Morphology Investigation of RGP Eye Contact Lens Irradiated by 193 nm Excimer Laser

Tayebeh Ariyafar, Ali Pourakbar Saffar, Peyman Tajalli, Habib Tajalli
In this work, Rigid gas permeable (RGP) contact lenses based on Fluoro Silicone Acrylate, were irradiated by using 193 nm ArFexcimer laser, at 1 Hz pulse repetition rate with 75 mJ/pulse energy to improve surface wettability. We investigated the morphology of the ablated area by imaging the surface modification with Atomic force microscopy (AFM) with roughness analysis and Scanning electron microscopy (SEM). Characterization techniques were performed too via contact angle measurement in order to...

Mar 25, 2015Open    AccessArticle

Dielectric Properties of Human Normal and Malignant Liver Tissue: A Non-Equilibrium Thermodynamics Approach

Francesco Farsaci, Annamaria Russo, Silvana Ficarra, Ester Tellone
In this paper we will show the possibility of studying physical properties and irreversible phenomena that occur in biological tissues by applying the dielectric Kluitenberg’s non-equilibrium thermodynamic theory. Namely, we shall use some recent extensions of this theory that allows deducing its main characteristic parameters from experimental measurements. We determine frequency spectrum for phenomenological and state coefficients of the non-equilibrium thermodynamic approach. Applying these r...

Dec 26, 2014Open    AccessArticle

Effect of Rate Constants in TF Regulated Gene Expression

Enakshi Guru, Sanghamitra Chatterjee
Simple mathematical model of gene expression has been studied thoroughly in this paper. We assume that protein synthesis and protein decay are deterministic in nature whereas transition from active to inactive state is totally stochastic. The probability distribution function of transcript number is calculated and evidence of binary and graded response has been observed for different reaction rates. Slow and fast kinetics have been studied explicitly. Different rate constants play a significant ...

Dec 23, 2014Open    AccessArticle

NMR-Relaxometer for Diagnosis and Control of Chronic Kidney Disease Patients Parameters (Urea and Creatinine)

Rustem Sultan-Hamit Kashaev, Liliana Rashidovna Khaziahmetova
Determination of disease stages and control of changes in blood and plasma during kidney injury (KJ) cure can be done using nuclear (proton) magnetic resonance (NMR) parameters dependences from physical-chemical parameters of blood changes. NMR spectroscopy allows the monitoring of molecular recognition processes in solution. For realization of this approach, the low field NMR relaxometer was elaborated. Measurements of relaxation parameters were performed. Dependences of relaxation times Т2А fr...