نتایج جستجو برای: nta
تعداد نتایج: 1284 فیلتر نتایج به سال:
Pituitary adenylate cyclase‑activating polypeptide (PACAP) is a type of neuropeptide with multiple biological functions. However, it has a short half‑life period in the body, ~3 to 5 min, restricting its further development as a drug that can promote the recovery of nerve injury. In vitro and in vivo experiments have shown that PACAP can repair the epithelial cell on the surface of the injured ...
Removal of iron from biologically important ligands by desferrioxamine (DF), in vitro, is exceedingly slow because of a kinetic barrier. This kinetic barrier can be overcome by a variety of a small molecular weight anions, of which nitrilotriacetate (NTA) is a prototype. We explored the effect of NTA on DF iron mobilization in vivo. Iron mobilization was increased and the effect was synergistic.
Nanoparticle tracking analysis (NTA) was first applied to biologically active nanocomplexes to obtain concurrent information on their size, state of aggregation, concentration, and antigenic specificity in liquid. The subject of the NTA was an immunogenic complex (a candidate nanovaccine) comprised of spherical particles (SPs) generated by thermal remodeling of the tobacco mosaic virus and Rube...
گیاه‌پالایی یک روش برای پالایش فلزات سنگین از خاک است. استفاده از کلات‌کننده‌ها می‌تواند سبب افزایش کارایی گیاه‌پالایی گردد. هدف از انجام این پژوهش بررسی تأثیر کلات‌کننده نیتریلوتری استیک اسید (NTA) بر شاخص‌های رشدی و کارایی گیاه-پالایی گیاه ذرت در خاک‌های آلوده به کادمیوم تحت شرایط آبشویی بوده است. بدین منظور در گلخانه آزمایشی شامل سه سطح کادمیوم (صفر، 25 و 50 میلی‌گرم در کیلوگرم خاک) و NTA ب...
The El Niño–Southern Oscillation (ENSO) is known to influence the North Tropical Atlantic (NTA) sea surface temperature (SST) during its decaying spring, providing an essential source of NTA predictability. However, positive ENSO–NTA SST relationship absent boreal winter, impeding accurate anticipation wintertime fluctuations. We find that this absence mainly due different preconditions. Taking...
The rates of mineralization of nitrilotriacetic acid (NTA), 2,4-dichlorophenoxyacetic acid (2,4-D), p-nitrophenol, aniline, and isopropyl N-phenylcarbamate (IPC) at one or more concentrations ranging from 100 pg/ml to 1.0 microgram/ml were proportional to chemical concentrations in samples of three lakes. The rates at 100 pg of NTA, 2,4-D, p-nitrophenol, and aniline per ml in samples of one or ...
Recently, two types of TiO2 nanotube arrays (NTAs) (blue- and black-colored TiO2 NTAs), which are easily fabricated by electrochemical self-doping, have gained much attention due particularly to their enhanced capacitive and oxidant-generating properties. These enhanced electrochemical properties mean that they have potential as basic materials for energy and environmental applications, such as...
Now, as before, transmission electron microscopy (TEM) is a widely used technique for the determination of virions size. In some studies, dynamic light scattering (DLS) has also been applied for this purpose. Data obtained by different authors and using different methods could vary significantly. The process of TEM sample preparation involves drying on the substrate, which can cause virions to ...
BACKGROUND Dynamic actin assembly is required for diverse cellular processes and often involves activation of Arp2/3 complex. Cortactin and N-WASp activate Arp2/3 complex, alone or in concert. Both cortactin and N-WASp contain an acidic (A) domain that is required for Arp2/3 complex binding. RESULTS We investigated how cortactin and the constitutively active VCA domain of N-WASp interact with...
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