The growing demand for electricity in developing countries has called attention and interest to renewable energy sources mitigate the adverse environmental effects caused by generation through fossil fuels. Among different sources, such as photovoltaic, wind, biomass, hydraulic represents an attractive solution address rural areas of Colombia that are not connected electrical grid. In current paper, fluid–structure interaction (FSI) a recently designed Vertical-Axis Hydrokinetic Turbine...

Abstract Optical emission spectroscopy was used to study the glow discharge of CO 2 in pressure range 0.2 1.2 mTorr, power 160 W and a flux 35 psi. The bands lines were measured using monochromator wavelength 200 900 nm. species observed C (A 3 Π g – X '3 u ) at 435.7nm (C' 1 b 369.2 nm; O (b Σ + ‐ 628.2; (a' Π) 674.7 339.3 289.2 353.2 ( B 391.7 Σ) 577.7 A 327.2 We that intensities have an almost constant behavior as function 0.6 followed by increasing behavior. electron temperature ion...

Optical emission spectroscopy was used to study a gas mixture glow discharge of CO2 and N2 at total pressure 1.2 Torr, power 100 W flow 16.5 L/min. The bands were measured in the wavelength range 200 nm 900 nm. principal species observed O2+ (A2Πu → X2Πg), CO+ (A2Π X2Σ), N2+ (B2Σu+ X2Σg+), CO2+ X2Π), N2(C3Πu B3Πg), O2(b1Σg+ X3Σg−), CO (a'3Σ a3Π). behavior band intensities as function percentage is consistent with recent Monte Carlo simulations. electron temperature ion density determined by...

The decolorization of the Basic violet I (BVI) dye when interacted with a corona discharge is studied in present work, taking account two systems, batch and flux. current voltage were measured during whole process which plasma was generated, an applied power 51.9 167.72 W where transport gas air. A reactor flow used, 500 5000 mL samples treated, respectively. Optical emission spectra (OES) oxidizing species ·OH at wavelengths 307.597 310.148 nm, associated A2∑+ – X2Π transition. absorption...

We describe the entropy of liquids in context kinetic theory dense gases. In equilibrium regime statistical has an explicit dependence pair correlation function. order to test functional, we use Morse potential reproduce experimental functions liquid sodium, using molecular dynamics technique. With this information, can compare theoretical with thermodynamic data. On other hand, from nonequilibrium point view, discuss entropy-increase-law analyzing balance equation. The production due...

Molecular dynamics simulations in the canonical ensemble have been performed to calculate structural and transport properties of liquid alkali metals. The metals considered this work were Na, K, Rb Cs. Two Yukawa-type potentials employed as interaction law among particles. This function is written terms two adjustment parameters which make possible tuning softness potential core range attractive part. radial distribution functions such self-diffusion shear viscosity, calculated a...

The Gibbs free energy is strongly related to the stability and catalytic function of an enzyme through energetic changes that occur in chemical reactions catalyzes. In this silico study, a pulsed electric field was applied azoreductase, its effect on molecular docking with two dyes measured. We propose certain stimuli from favor structural by promoting arrangement active site, potentially leading enhancement enzymatic activity overall.

Teratozoospermia is an infertility issue that affects a significant number of couples reproductive age. One the potential causes contributing to global decline in seminal quality includes factors such as diet, alcohol and tobacco consumption, high levels stress, environmental influences. This underscores need preserve fertility these patients through cryopreservation techniques. In this review, we explore latest methods for freezing samples, highlighting their advancements advantages...

Introduction: Preeclampsia and Intrauterine Growth Restriction are two of the main obstetric syndromes that contribute to maternal perinatal morbidity mortality. Objective: To systematize knowledge placental disease its impact on infant health through results research subject. Methods: A documentary review, qualitative descriptive was carried out, following theoretical methods were used: historical-logical, analytical-synthetic, inductive-deductive. Results: The contributions researcher...

SARS-CoV-2 is responsible for causing the Coronavirus disease 2019 (COVID-19) pandemic, which has so far infected more than thirty million people and caused almost a deaths. For this reason, it been priority to stop transmission of outbreak through preventive measures, such as surface disinfection, establish bases design an effective disinfection technique without chemical components. In study, we performed in silico analysis identify conformational alterations Spike Receptor Binding Domain...

Infertility is a world disease in which couple unable to achieve pregnancy. There are numerous parameters determinate fertility; nevertheless, sperm motility by consensus one of the most important attributes evaluate male fertility. Contributions better understanding this crucial parameter imperative; hence, aim investigation was assess effect low-energy laser irradiation on cell dynamics thawed samples that were cryopreserved. We used 405 nm blue beam irradiate spermatic cells from rabbit...

Rotavirus diarrhea is an infectious intestinal disease that causes about 215 thousand deaths annually in infants under five years old. This virus formed by three layers of concentric proteins envelop its genome, from which VP6 structural protein the most conserved among rotavirus serotypes and excellent vaccine candidate. Recent studies have shown are susceptible to losing their biological function when conformation modified moderate temperature increments, case VP6, antigen efficiency...

Prion proteins are related to the development of incurable and invariably fatal neurodegenerative diseases in humans animals. The pathogenicity involves conversion host-encoded-alpha rich isoform prion protein, PrPC, into a misfolded beta-strand conformer, PrPSc. Although it has already been described that many punctual mutations alter stability making more prone adopt an abnormal structure, majority cases reported among general population sporadic wild-type organisms. Thus, this work we...

The aim of this work is to explore the emission spectroscopy Methanol alcohol plasma in some regions, also determine result elements glow discharge, spectrums were observed a range 200 at 1100 nm different zones inside tube distances 20 and 30 cm. are: anode region: C7H7 (451.06nm), C6H5 (483.02nm), CHO (519.56nm), H2 (560.46nm), C (607.02nm), (661.46nm); cathode O2 (391.04nm), CHOCHO (428.00nm), (656.52nm); cm O2+ (297.00nm), CO2+ (315.52nm), O+ (357.48nm), C+ (388.00nm).

The unique and stunning spectroscopic properties of Green Fluorescent Protein (GFP) from the jellyfish Aequorea victoria, not to mention its remarkable structural stability, have made it one most widely studied used molecular tool in medicine, biochemistry, cell biology. Its high fluorescent quantum yield is due chromophore, structure responsible emitting green visible light when excited at 395 nm. Although noteworthy that there enormous available information wonderful luminescent GFP, fact...

Radon is a naturally occurring radioactive gas which tends to concentrate indoors, easily emanates from the ground into air, where it disintegrates and emits particles. It can enter human body through breathing or ingesting mostly water. When radon inhaled, travels respiratory tract alveoli majority expelled environment. Moreover, when ingested in water, passes intestine absorbed driven bloodstream lungs; these organs, due differences partial pressures, transported by simple diffusion...

The prostate-specific membrane antigen (PSMA) is a 100 kDa type II transmembrane glycoprotein with enzymatic activity similar to the family of zinc-dependent exopeptidases. This protein great medical and pharmacological interest as overexpression in prostate cells related progression cancer; therefore, it represents an important target for design radiopharmaceuticals. presence two Zn2+ ions active site crucial high-affinity inhibitors. amino acid residues coordinating these are highly...

Worldwide, the implementation of computational tools has allowed advancement our understanding, specifically, biotechnological information have made possible to tackle global challenges such as COVID-19 pandemic; therefore, are essential for science students. We propose an activity teach use and database biotechnologies their utility alignment comparison sequences. query sequence corresponding SARS-CoV-2 Spike protein in its closed state, we compare it with 200 sequences obtained from NCBI...

Optical emission spectroscopy was applied for plasma characterization of a gas mixture glow discharge O2 and Ar at total pressure 1.0 Torr, power 150 W, with 40 l/min flow rate gases. The main diagnostic techniques to determine the parameters were optical probe diagnostics. We study dependence electron density temperature as function relative concentration. bands lines measured using monochromator in wavelength range from 200 1000 nm. also principal band intensities observed concentration...

Molecular dynamics simulation is currently the theoretical technique eligible to simulate a wide range of systems from soft condensed matter biological systems. However, excellent results that has arrogated, this approach remains computationally expensive, but with emergence new supercomputing technologies bases on graphics processing units graphical units-based GPUs, perspective changed. The GPUs allow performing large and complex simulations at significantly reduced time. In work, we...

The discovery of fluorescent proteins has been a revolution in cell biology and related sciences because their many applications, mainly emphasizing use as cellular markers. green protein (GFP) is one the most used it requires no cofactors to generate fluorescence retains this property into any organism when expressed by recombinant DNA techniques, which great advantage. In work, we analyze emission spectra vivo vitro exposed glow discharge plasma nitrogen order relate electron temperature intensity.