نتایج جستجو برای: selenium nanoparticle
تعداد نتایج: 45560 فیلتر نتایج به سال:
This study was conducted to evaluate the effect of different concentrations of selenium and zinc nanoparticles on growth performance, survival and chemical composition of Whiteleg shrimp (Litopenaeus vannamei). For this purpose, shrimp with an average weight of 5.1±0.2 g were distributed in 12 fiberglass tanks with 25 shrimp density and were fed for 56 days with different concentrations of sele...
Soil and water salinity are the most important problems that limit crop production, especially in the arid and semi-arid regions. This study was conducted to investigate the effect of growth-promoting bacteria and selenium nanoparticle pretreatment on increasing the tolerance of the Chenopodium quinoa plant to salinity. A factorial experiment was conducted in a completely randomized design with...
Selenium (Se) is an essential element with a small difference between physiological and toxic doses. To provide more effective and safe Se dosing regimens, as compared to dosing with ionic selenium, nanoparticle formulations have been developed. However, due to the nano-formulation, unexpected toxic effects may occur. We used metabolite pattern determination in urine to investigate biological a...
Abstract New system compromising of chitosan nanoparticles encapsulated pre-synthesized selenium in the presence 5-fluorouracil was successfully prepared and used for cancer antiproliferation. Selenium were synthesized using ascorbic acid as reducing agent under mild condition. Chitosan via ionic gelation technique sodium tri-polyphosphate. Characterization carried out FTIR, TEM, XRD, TGA dynam...
Abstract Background & Aims: Various Leishmania species can cause human infection with a spectrum of clinical manifestations. The current treatments are unsatisfactory; and in absence of a vaccine there is an urgent need for effective drugs to replace those currently in use. In the present study, the effect of direct current electricity in combination with selenium and silver nanoparticle...
Introduction & Objective: The antibacterial, antifungal and anti-parasitical effect of selenium and silver nanoparticles have been reported previously. The purpose of this study was to determine the anti-Leishmania healing effect of selenium nanoparticles and silver in lesions caused by Leishma-nia major in mice. Materials & Methods: In the present experimental study, Balb/c mice were experimen...
Wetting properties of biomaterials, in particular nanomaterials, play an important role, as these influence interactions with biological elements, such as proteins, bacteria, and cells. In this study, the wetting phenomenon of titanium substrates coated with selenium nanoparticles was studied using experimental and mathematical modeling tools. Importantly, these selenium-coated titanium substra...
Objective(s): The current study was conducted to examine the possible protective and retentive effects of one-week intra-peritoneal (IP) administration of selenium nanoparticles (Se-NPs), compared to its bulk counterpart, selenite sodium (Ss), after one complete cycle of spermatogenesis in mature male mice. Materials and Methods: Thirty adult male mice were divided into 3 groups. Control group ...
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