نتایج جستجو برای: tmu 16 nh2
تعداد نتایج: 341266 فیلتر نتایج به سال:
TRH-like peptides have been identified that differ from TRH (pGlu-His-ProNH2) in the middle amino acid. We have estimated TRH-like immunoreactivity (TRH-LI) in human serum and urine by RIA with TRH-specific antiserum 8880 or with antiserum 4319, which binds most peptides with the structure pGlu-X-ProNH2. TRH was undetectable in serum (< 25 pg/mL), but TRH-LI was detected with antiserum 4319 in ...
The Tyr-Ile-Gly-Ser-Arg (YIGSR) peptide derived from the laminin B1 chain has been shown to decrease tumor growth and metastasis. Utilizing the multimeric antigen peptide system assembled on a branched lysine core, we synthesized several sizes of multimeric YIGSR, (CH3CO-Tyr-Ile-Gly-Ser-Arg-Gly)16-Lys8-Lys4-Lys2 -Lys-Gly [(Ac-YIGSRG)16 K8K4K2KG] (designated Ac-Y16), (Ac-YIGSRG)8K4K2KG (Ac-Y8), ...
We have previously demonstrated that the ROMK channel maintains the property of arachidonic acid (AA) sensitivity observed originally in the native ATP-sensitive K+channel of the rat cortical collecting duct (16). We used the patch-clamp technique to extend these studies to other NH2-terminal splice variants of the ROMK channel family, ROMK2 and ROMK3, expressed in Xenopus oocytes to determine ...
All known naturally occurring linear cationic peptides adopt an amphipathic alpha-helical conformation upon binding to lipids as an initial step in the induction of cell leakage. We designed an 18-residue peptide, (KIGAKI)3-NH2, that has no amphipathic character as an alpha-helix but can form a highly amphipathic beta-sheet. When bound to lipids, (KIGAKI)3-NH2 did indeed form a beta-sheet struc...
Flavor asymmetry is investigated in polarized light-antiquark distributions by a meson-cloud model. In particular, ρ meson contributions to ∆ū−∆d̄ are calculated. We point out that the g2 part of ρ contributes to the structure function g1 of the proton in addition to the ordinary longitudinally polarized distributions in ρ. This kind of contribution becomes important at medium x (> 0.2) with sma...
خواص ساختاری و الکترونی نانولوله های کربنی دو دیواره (13,0)@(6,0) ،(13,0)@(6,0)/nh2 و (13,0)@(6,0)/ coohبا استفاده از روش نظریه تابعی دانسیته مورد بررسی گرفته است. نتایج نشان می-دهد نانولوله کربنی دو دیواره خالص (13,0)@(6,0) فلزی است. با عامل دار کردن نانولوله کربنی دو دیواره، انحرافات موضعی در دیواره نانولوله بیرونی در جهت محور شعاعی بوجود می آید. ساختارهایی که بدست می آیند، (13,0)@(6,0)/nh2 و...
گروهی از جاذبهای سیلیکاتی میان حفره تحت عنوان MCM-41 که مساحت سطح زیادی دارند، با اصلاح برخی از گروههای عاملی سطحی توسط گروههای آمین و ایجاد گونه اصلاح شده NH2-MCM-41، به ظرفیت جذب بالاتری برای جذب یونهای فلزات سنگین دست پیدا میکنند. در این پژوهش، جذب یونهای کادمیم، نیکل و سرب از محلولهای آبی توسط جاذب اصلاح شده NH2-MCM-41 بررسی شد. کلیه آزمایشها در یک سیستم ناپیوسته و با محلول حاوی سه یو...
Reactions of silver(I) salts with 4-amino-4H-1,2,4-triazole (4-NH2-tz) in a 1 : 1 molar ratio yield four new silver adducts, namely [Ag(4-NH2-tz)](CF3SO3) (1), [Ag(4-NH2-tz)1.75](ClO4) (2), [Ag(4NH2-tz)1.75](BF4) (3) and [Ag(4-NH2-tz)1.75](NO3) (4). X-Ray analysis shows that 1 exhibits a 3D cationic [Ag(4-NH2-tz)] metal-organic framework of srs topology; 2, 3 and 4 are isostructural and display...
A novel synthetic hexapeptide (SFKLRY-NH2) that displays angiogenic activity has been identified by positional scanning of a synthetic peptide combinatorial library (PS-SPCL). This study was carried out to investigate the irritation of the SFKLRY-NH2 on the skin. The tests were performed on the basis of Korea Food and Drug Administration (KFDA) guidelines. In results, cell toxicity is not appea...
Defensin from a beetle, Allomyrina dichotoma, is known to have anti-bacterial activity against Gram-positive bacteria. This peptide, which comprises 43 amino acid residues, was effective against methicillin-resistant Staphylococcus aureus. We identified the active site of beetle defensin by measuring anti-bacterial activity against S. aureus of 64 overlapping 12-mer peptides with either a free ...
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