Results 1 to 10 of about 325,218 (260)

Cost reduction on space tests through optimal control

open access: yesCase Studies in Thermal Engineering, 2021
The main goal of this work is to reduce the liquid/gaseous nitrogen (LN2 / GN2) waste on thermal-vacuum space tests. In this paper, we present the results of a feasibility investigation of the optimal control techniques in this issue. It is found that it
Andrei D. Werkhausen   +3 more
doaj   +1 more source

What If Root Nodules Are a Guesthouse for a Microbiome? The Case Study of Acacia longifolia

open access: yesBiology, 2023
Acacia longifolia is one of the most aggressive invaders worldwide whose invasion is potentiated after a fire, a common perturbation in Mediterranean climates.
Joana G. Jesus   +6 more
doaj   +1 more source

Ameliorating effect of propolis extract against equigan induced [PDF]

open access: yesJournal of Bioscience and Applied Research, 2016
Equigan is an androgenic steroid that improves the growth and food conversion in meat producing animals. The present study was performed to determine the ameliorating effect of propolis in the toxicity of the rat testes induced with Equigan.
Ahmed Massoud   +3 more
doaj   +1 more source

Effects of propolis on histopathological and immunohistochemical alterations in testes of thyroidectomized rat. [PDF]

open access: yesJournal of Bioscience and Applied Research, 2016
The thyroid hormones, triiodothyronine (T3) and its prohormone, thyroxine, are secreted by the thyroid gland which are responsible for the regulation of metabolism in all body tissues.
Ezar Hafez
doaj   +1 more source

Histological Analysis, Bioinformatics Profile, and Expression of Methylenetetrahydrofolate Reductase (MTHFR) in Bovine Testes

open access: yesAnimals, 2020
Methylenetetrahydrofolate reductase (MTHFR), an enzyme expressed in mammalian testes, exerts a direct effect on spermatogenesis; however, its protein characteristics in bovine testes remain unknown.
Seth Yaw Afedo   +9 more
doaj   +1 more source

SARS-CoV-2 Infects Hamster Testes

open access: yesMicroorganisms, 2021
The COVID-19 pandemic continues to affect millions of people worldwide. Although SARS-CoV-2 is a respiratory virus, there is growing concern that the disease could cause damage and pathology outside the lungs, including in the genital tract.
Rafael K. Campos   +5 more
doaj   +1 more source

Effects of Bushen Yiyuan recipe on testosterone synthesis in Leydig cells of rats with exercise-induced low serum testosterone levels

open access: yesPharmaceutical Biology, 2022
Context Bushen Yiyuan recipe (BYR) is an effective Chinese prescription with antifatigue and antioxidation effects.Objective The effects of BYR on testosterone synthesis in rat Leydig cells with exercise-induced low serum testosterone levels (EILST) are ...
Yirong Wang   +4 more
doaj   +1 more source

REFLEXÕES E ORIENTAÇÕES SOBRE A PRODUÇÃO DE TEXTOS CIENTÍFICOS

open access: yesRevista UniVap, 2011
RESUMO: Tendo em vista as dificuldades apresentadas pela maioria dos pesquisadores iniciantes quanto à redação de textos científicos, este artigo tem como objetivo apresentar algumas reflexões sobre o tema e um resumo das principais competências ...
Maria do Carmo Silva Soares
doaj   +1 more source

Maternal exposure to genistein during pregnancy and oxidative DNA damage in testes of male mouse offspring

open access: yesFrontiers in Nutrition, 2022
BackgroundGenistein is a dietary supplement with phyto-estrogenic properties. Therefore, high intake of genistein during pregnancy may have adverse effects on the genetic integrity of testes and germ cells of male offspring.
Roger W. L. Godschalk   +4 more
doaj   +1 more source

The effect of N-stearoylethanolamine on the lipid composition of the rat testes and testosterone level during the early stages of streptozotocin-іnduced diabetes [PDF]

open access: yesThe Ukrainian Biochemical Journal, 2020
Diabetes is a metabolic disorder with multiorgan complications, including reproductive system dysfunction where lipid imbalance of germ cells play an important role.
O. V. Onopchenko   +5 more
doaj   +1 more source

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