نتایج جستجو برای: nh2
تعداد نتایج: 8140 فیلتر نتایج به سال:
The alkali metal amidozincates Li4 [Zn(NH2)4](NH2)2 and K2[Zn(NH2)4] were, to the best of our knowledge, studied for the first time as hydrogen storage media. Compared with the LiNH2-2 LiH system, both Li4 [Zn(NH2)4](NH2)2-12 LiH and K2[Zn(NH2)4]-8 LiH systems showed improved rehydrogenation performance, especially K2[Zn(NH2)4]-8 LiH, which can be fully hydrogenated within 30 s at approximately...
Responses of growth hormone (GH) release to synthetic human growth hormone-releasing factor (hGRF)-44-NH2 analogs were determined, and the GH-releasing potency based on dose per kg of body weight (bw) was compared with that of hGRF-44-NH2 in female dairy calves. Four- and 12-month-old calves were injected intravenously with 0.25 microgram of hGRF-44-NH2 or its analogs per kg of bw. Blood sample...
Water contaminated with low concentrations of pollutants is more difficult to clean up than that high pollutant content levels. Membrane separation provides a solution for removing from water. However, membranes are prone fouling, losing performances over time. Here we synthesized neutral (IM-NH2) and positively charged (IL-NH2) imidazole derivatives chemically functionalize membranes. With dis...
در این تحقیق می توان به نتایج زیر دست یافت : نتایج محاسبات برای کنفورماسیون های مختلف حاصل از چرخش زنجیر جانبی آمینواسید والین برای تری پپتیدهای val-gly-gly-nh2-hco ? hco-gly-gly-val-nh2 وhco-gly-val-gly-nh2 در دو فرم l و dدر سطح تئوری b3lyp با سری پایه (d)g31-6 به کمک نرم افزار گوسین ?سه مینیمم در زوایای ?60 =? ، ?180 = ? و? 60- = ? نشان داد ، که به ترتیب : گوچ مثبت (+g) ، آنتی (a) و گوچ منفی...
The selective oxidation of styrene with highly efficient, environmentally benign, and cost-effective catalysts are great importance for sustainable chemical processes. Here, we develop an in situ self-assembly strategy to decorate Cu-based metal-organic framework (MOF) Cu-BDC-NH2 nanocrystals on Cu2O octahedra construct a series Cu2O@Cu-BDC-NH2 styrene. Using H2O2 as green oxidants, the optimiz...
Organic dyes can enter water bodies through industrial wastes and may pose a threat to the health of aquatic organisms human. Metal organic framework derived carbon materials (CMOFs) have shown excellent performance for aqueous dye adsorption. However, few studied multimetallic CMOFs removal. Herein, ternary metal oxide embedded from amino-modified (CMOF(Fe/Al/Ni 8/7/5)-NH2) has been developed ...
The intrinsic conformational preferences of small peptides may provide additional insight into the thermodynamics and kinetics protein folding. In this study, we explore underlying energy landscapes two model peptides, namely, Ac-Ala-NH2 Ac-Ser-NH2, using geometry-optimization-based tools developed within context landscape theory. We analyze not only how side-chain polarity influences structura...
Using naturally serum-free SU-ECM basement membranes as invasion substrates showed that plasma fibronectin was necessary to stimulate invasion by DU 145 human and metastatic MATLyLu (MLL) rat prostate carcinoma cells. This activity mapped to the PHSRN sequence, which induced invasion through alpha5beta1 integrin. PHSCN, a competitive inhibitor, blocked both PHSRN- and serum-induced invasion. Ac...
The antimicrobial peptide KLKLLLLLKLK-NH2 was developed based on sapesin B, and synthesized using D-amino acids. Biochemical properties of the D-form and L-form KLKLLLLLKLK-NH2 peptides were compared. In order to limit the effects due to bacterial resistance to proteolysis, antimicrobial activities of the peptides were evaluated after short-term exposure to bacteria. D-form KLKLLLLLKLK-NH2 exhi...
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