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Katherine Veras,Fernando Lopes Silva-Junior,Adriano Eduardo Lima-Silva,Fernando Roberto De-Oliveira,Flávio Oliveira Pires 대한남성과학회 2015 The World Journal of Men's Health Vol.33 No.3
We reported clinical and physical responses to 7 weeks of anabolic-androgenic steroid (AAS) self-administration in a male recreational bodybuilder. He was self-administrating a total of 3,250 mg of testosterone when his previous and current clinical and physical trials records were revisited. Body shape, performance, and biochemistry results were clustered into three phases labeled PRE (before the self-use), POST I (immediately at the cessation of the 7-week administration), and POST II (12 weeks after the cessation). Elevated testosterone and estradiol levels were observed in the POST I phase, while hepatic and renal functions remained altered in the POST II phase. Body mass and body fat percentages increased throughout the three phases. When adjusted according to body mass, drops in aerobic and anaerobic power and capacity (2.1% to 12.9%) were observed across the phases. This case report shows that overall performance decreased when a bodybuilding practitioner self-administered AAS.
Paraffin-based ramjet missile preliminary design
Rogerio L.V. Cruz,Carlos A.G. Veras,Olexiy Shynkarenko Techno-Press 2023 Advances in aircraft and spacecraft science Vol.10 No.4
This paper presents a basic methodology and a set of numerical tools for the preliminary design of solid-fueled ramjet missiles. An elementary code determines the baseline system configuration comprised of warhead, guidance-control, and propulsion masses and geometries from specific correlations found in the literature. Then, the system is refined with the help of external and internal ballistics codes. Equations of motion are solved for the flight's ascending, cruising, and descending stages and the internal ballistic set of equations designs the ramjet engine based on liquefying fuels. The combined tools sized the booster and the ramjet sustainer engines for a long-range missile, intended to transport 200 kg of payload for more than 300 km range flying near 14,000 m altitude at Mach 3.0. The refined system configuration had 600 mm in diameter and 8,500 mm in length with overall mass of 2,128 kg and 890 kg/m3 density. Ramjet engine propellant mass fraction was estimated as 74%. Increased missile range can be attained with paraffin-polyethylene blend burning at near constant regression rate through primary air mass flow rate control and lateral 2-D air intakes.
A New Salt-Tolerant Thermostable Cellulase from a Marine Bacillus sp. Strain
( Yago Queiroz Dos Santos ),( Bruno Oliveira De Veras ),( Anderson Felipe Jacome De Franca ),( Krystyna Gorlach-lira ),( Jannaina Velasques ),( Ludovico Migliolo ),( Elizeu Antunes Dos Santos ) 한국미생물생명공학회(구 한국산업미생물학회) 2018 Journal of microbiology and biotechnology Vol.28 No.7
A salt-tolerant cellulase secreted by a marine Bacillus sp. SR22 strain with wide resistance to temperature and pH was purified and characterized. Its approximate mass was 37 kDa. The endoglucanase, named as Bc22Cel, was purified by ammonium sulfate precipitation, gel filtration chromatography, and extraction from the gel after non-reducing sodium dodecyl sufate-polyacrylamide gel electrophoresis. The optimal pH value and temperature of Bc22Cel were 6.5 and 60°C, respectively. The purified Bc22Cel showed a considerable halophilic property, being able to maintain more than 70% of residual activity even when pre-incubated with 1.5 M NaCl for 1 h. Kinetic analysis of the purified enzyme showed the K m and Vmax to be 0.704 mg/ml and 29.85 μmol·ml-1·min-1, respectively. Taken together, the present data indicate Bc22Cel as a potential and useful candidate for industrial applications, such as the bioconversion of sugarcane bagasse to its derivatives.
Kewin Gombeau,Ricardo Bezerra de Oliveira,Sandra Layse Ferreira Sarrazin,Rosa Helena Veras Mourao,Jean-Paul Bourdineaud 한국독성학회 2019 Toxicological Research Vol.35 No.1
The extracts of Plathymenia reticulata and Connarus favosus are widely used in the folk medicine. The potential protective effects of these extracts have been evaluated against cadmium in the yeast Saccharomyces cerevisiae, and against mercurial contamination in zebrafish Danio rerio. In yeast, both extracts efficiently protected the Δycf1 mutant strain exposed to cadmium chloride restoring the growth, the expression of stress-response genes and decreasing the level of oxidative stress. In zebrafish, the supplementation of methylmercury-contaminated diet with both plant extracts similarly protected fish through the suppression of the methylmercury-induced lipid peroxidation, decrease of acetylcholinesterase activity, and restoring the expression levels of stress-response genes. This study particularly demonstrates the protective potential of both aqueous extracts against methylmercury, and could represent an interesting alternative for the Amazonian fish-eating communities to cope with the impact of chronic exposure to contaminated diets.
Can the body composition of crossbred dairy cattle be predicted by equations for beef cattle?
Neves, Maria Luciana Menezes Wanderley,de Souza, Evaristo Jorge Oliveira,Veras, Robson Magno Liberal,de Campos Valadares Filho, Sebastiao,Marcondes, Marcos Inacio,da Silva, Gabriel Santana,Barreto, Li Asian Australasian Association of Animal Productio 2018 Animal Bioscience Vol.31 No.10
Objective: The aim of the study was to evaluate the efficiency of the Hankins and Howe (HH46), Valadares Filho (V06), and Marcondes (M12) equations for predicting the physical and chemical composition of dairy crossbred bulls carcasses, as well as the chemical composition of their empty bodies. Methods: This study was conducted using 30 dairy crossbred bulls. One group of five animals was slaughtered at the beginning of the experiment, and the remaining were slaughtered 112 days later. Animals were distributed in a completely randomized design into treatments consisting different levels of concentrate (0%, 17%, 34%, 51%, and 68%). The physical and chemical compositions of the cattle were obtained from the right half of the carcass and using samples taken between the 9th and 11th ribs of the left half of the carcass. The estimated and experimentally determined values were compared using the correlation and concordance coefficient, as well as the mean square error of prediction (MSEP) and its components. Results: The HH46 equations were better at estimating the amount of muscle plus fat in the carcass. The amount of bone in the carcasses could not be well estimated by the HH46 and M12 models. The M12, HH46, and V06 equations were worst at estimating the amounts of protein, ether extract, and water in the carcass, respectively. In the empty body, the amounts of protein and water were well estimated by the HH46 equations. Protein, ether extract, and water were accurately estimated by the V06 equations, and ether extract by the M12 equations. Conclusion: The physical and chemical composition of dairy crossbred bull carcasses, as well as the chemical composition of their empty bodies, can be predicted using the equations tested here. The amount of bone in these carcasses could not be accurately predicted.
Effectiveness of Acupuncture as Auxiliary Treatment for Chronic Headache
Wildete Carvalho Mayrink,Joa˜o Batista Santos Garcia,Alcione Miranda dos Santos,Joana Ka´tya Veras Rodrigues Sampaio Nunes,Ta´rcia Heliny Nojoza Mendonc¸a 사단법인약침학회 2018 Journal of Acupuncture & Meridian Studies Vol.11 No.5
Objectives To assess the effectiveness of acupuncture as an auxiliary analgesic treatment for chronic headaches and the influence of this treatment on the quality of life, as the effectiveness of acupuncture in chronic headache is still controversial. Methods Thirty-four patients selected from a University Hospital Clinic on Chronic Pain were divided into two groups: True acupuncture (Group 1), in which the recommended points of the Traditional Chinese Medicine were used for each type of headache and sham acupuncture (Group 2), in which the needles were inserted into a device (the stick-on moxa), at the same points as Group 1. Both groups used the prescribed preventive medication for pain. The verbal numeric scale before (VNS0) and after (VNS1) treatment, the number of crisis, and the number of analgesics used during the first and second months of treatment were used for assessment. Quality of life was also assessed before and after treatment with the Brazilian version of the Quality of Life Questionnaire: SF-6D, 2002. Results The true acupuncture group showed greater effectiveness in controlling pain in chronic headache, which was statistically significant in all domains compared to the sham acupuncture group, including quality of life. Conclusions Acupuncture can be considered an auxiliary treatment for chronic headache, reducing the intensity of pain, the number of crisis, the quantity of analgesics used, and improving the quality of life in patients with this painful condition.
Gombeau, Kewin,de Oliveira, Ricardo Bezerra,Sarrazin, Sandra Layse Ferreira,Mourao, Rosa Helena Veras,Bourdineaud, Jean-Paul Korean Society of ToxicologyKorea Environmental Mu 2019 Toxicological Research Vol.35 No.1
The extracts of Plathymenia reticulata and Connarus favosus are widely used in the folk medicine. The potential protective effects of these extracts have been evaluated against cadmium in the yeast Saccharomyces cerevisiae, and against mercurial contamination in zebrafish Danio rerio. In yeast, both extracts efficiently protected the ${\Delta}ycf1$ mutant strain exposed to cadmium chloride restoring the growth, the expression of stress-response genes and decreasing the level of oxidative stress. In zebrafish, the supplementation of methylmercury-contaminated diet with both plant extracts similarly protected fish through the suppression of the methylmercury-induced lipid peroxidation, decrease of acetylcholinesterase activity, and restoring the expression levels of stress-response genes. This study particularly demonstrates the protective potential of both aqueous extracts against methylmercury, and could represent an interesting alternative for the Amazonian fish-eating communities to cope with the impact of chronic exposure to contaminated diets.
( Camila Oliveira Serra ),( Paula Mara Gomes Leite ),( Andráa Beatriz Bezerra ),( Laura Freitas ),( Lucas Veras ),( Marcela Deda Costa ),( Leila Luiza Conceição Gonçalves ),( Leonardo Yung Dos Santos 대한폐경학회 2022 대한폐경학회지 Vol.28 No.1
Objectives: This study aimed to compare the climacteric symptoms, quality of life indices, and self-care attitudes in women before and during the coronavirus disease 2019 (COVID-19) pandemic. Methods: This cross-sectional study was conducted between January 2020 and September 2021. The sample consisted of 342 climacteric women who were divided into two groups: before the pandemic (BP group; n = 62) and during the pandemic (DP group; n = 280). The Menopause Rating Scale and Women’s Health Questionnaire were used to measure the health-related quality of life and degree of climacteric symptoms reported by women. Results: During the COVID-19 pandemic, women were able to decrease their somatic symptoms derived from the climacteric period (BP group: 7.84 ± 4.46, DP group: 5.94 ± 9.20; P = 0.003). Conclusions: There was no worsening in the self-reported symptoms, quality of life, and self-care attitudes of climacteric women because of the COVID-19 pandemic. Moreover, only somatic symptoms decreased during the pandemic.
Sugarcane bagasse as exclusive roughage for dairy cows in smallholder livestock system
Gleidiana Amelia Pontes de Almeida,Marcelo de Andrade Ferreira,Janaina de Lima Silva,Juana Catarina Cariri Chagas,Antonia Sherlanea Chaves Veras,Leonardo Jose Assis de Barros,Gledson Luiz Pontes de Al 아세아·태평양축산학회 2018 Animal Bioscience Vol.31 No.3
Objective: The study aimed to evaluate sugarcane bagasse as roughage in lactating cow on feed intake, digestibility, ingestive behavior, milk production and composition, and microbial protein synthesis. Methods: Ten Girolando cows at initial body weight of 450±25.6 kg and at 143.7±30.7 days in milk were assigned in two 5×5 Latin square designs. Five 21-day experimental periods were adopted (1° to 14-day: diets adaptation period; 15° to 21-day: data collection and sampling period). The diets consisted of four different levels of sugarcane bagasse (45%, 50%, 55%, and 60%) and a control diet, commonly adopted in the region, based on spineless cactus (25% sugarcane bagasse), formulated to meet 12 kg/d milk yield. Results: The dry matter (DM), organic matter (OM), and total digestible nutrients intakes and DM and OM digestibilities observed for 45% and 50% bagasse inclusion were similar to control diet, while that 55% and 60% bagasse inclusion were lower. Cows fed control diet, and bagasse diets of 45%, and 50% levels had the nutritional requirements attended, that guaranteed 12 kg/d of milk yield. The crude protein intake and digestibility of cows fed 45%, 50%, and 55% of bagasse inclusion were similar to control diet. The neutral detergent fiber (NDF) intake and digestibility differ for all bagasse diets related to control diet, while the non-fiber carbohydrates intake and digestibility for cows fed 45% of bagasse were similar for control diet. The intakes and digestibilities of nutrients decreased linearly in function of bagasse inclusion; NDF and indigestible NDF intakes did not vary. The ruminating time, feeding and rumination efficiency, microbial protein synthesis and milk yield decreased linearly with sugarcane bagasse inclusion. Conclusion: Sugarcane bagasse decreases milk production; however, its inclusion level in between 45% to 50% associated to concentrate could replace diets based on spineless cactus for crossbred dairy cow's producing 12 kg/d of milk.