نتایج جستجو برای: bi functional mechanism

تعداد نتایج: 1152388  

Journal: :Circulation journal : official journal of the Japanese Circulation Society 2017
Akio Kodama Akio Koyama Masayuki Sugimoto Kiyoaki Niimi Hiroshi Banno Kimihiro Komori

BACKGROUND Most patients with critical limb ischemia (CLI) exhibit severe comorbidities accompanied by frailty. This study assessed and risk-stratified mortality after infrainguinal bypass (IB) in CLI and investigated the effects of frailty.Methods and Results:The study retrospectively reviewed 107 consecutive CLI patients who had undergone de novo IB due to atherosclerotic disease. Data regard...

Journal: :Depression and anxiety 2016
Bradley C Taber-Thomas Santiago Morales Frank G Hillary Koraly E Pérez-Edgar

BACKGROUND Extreme shyness in childhood arising from behavioral inhibition (BI) is among the strongest risk factors for developing social anxiety. Although no imaging studies of intrinsic brain networks in children with BI have been reported, adults with a history of BI exhibit altered functioning of frontolimbic circuits and enhanced processing of salient, personally relevant information. BI i...

Journal: :The Journal of biological chemistry 1998
E Vakiani J G Luz J Buck

Spodoptera frugiperda retinol dehydratase catalyzes the conversion of retinol to the retro-retinoid anhydroretinol. It shares sequence homology with the family of mammalian cytosolic sulfotransferases and provides the first link between sulfotransferases and retinol metabolism. In this study the enzymatic properties of retinol dehydratase were examined using bacterially expressed protein. We sh...

Journal: :Dalton transactions 2017
Xiao-Jing Liu Xi Wang Jia-Li Xu Dan Tian Rong-Ying Chen Jian Xu Xian-He Bu

By means of a mixed-ligand strategy, a novel bi-functional metal-organic framework, [H2N(CH3)2]·Zn(NDC)(atz)·H2O (NDC = 2,6-naphthalenedicarboxylic acid, Hatz = 1H-tetrazol-5-amine), was synthesized, which displays a three-dimensional two-fold interpenetrated framework. Owing to the introduction of two different functional organic ligands, this complex exhibits bi-functional properties, i.e., s...

Ebrahim Esalati Mina Ghiasi, Nahal Majdoddin

In this paper, we used quantum chemical approach to shed light on the catalytic mechanism of γ-carbonic anhydrase (γ-CA) to convert carbon dioxide to bicarbonate ion. Density functional theory (DFT) using B3LYP and UB3LYP functional and three split-valance including 6-31G*, 6-311G** and 6-311++G** basis sets were used to calculate the details of electronic structure and electronic energy of act...

Journal: :Developmental Cognitive Neuroscience 2016
Nhi Thai Bradley C. Taber-Thomas Koraly E. Pérez-Edgar

Behavioral inhibition (BI) is a biologically-based temperament characterized by vigilance toward threat. Over time, many children with BI increasingly fear social circumstances and display maladaptive social behavior. BI is also one of the strongest individual risk factors for developing social anxiety disorder. Although research has established a link between BI and anxiety, its causal mechani...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2011
Miao Yu Katherine A Romer Thomas J F Nieland Shangzhe Xu Veronica Saenz-Vash Marsha Penman Ayce Yesilaltay Steven A Carr Monty Krieger

The HDL receptor, scavenger receptor, class B, type I (SR-BI), is a homooligomeric cell surface glycoprotein that controls HDL structure and metabolism by mediating the cellular selective uptake of lipids, mainly cholesteryl esters, from HDL. The mechanism underlying SR-BI-mediated lipid transfer, which differs from classic receptor-mediated endocytosis, involves a two-step process (binding fol...

Journal: :The Biochemical journal 2004
Yoshiro Saito Noriko Sato Masaki Hirashima Gen Takebe Shigeharu Nagasawa Kazuhiko Takahashi

Human selenoprotein P (SeP), a selenium-rich plasma glycoprotein, is presumed to contain ten selenocysteine residues; one of which is located at the 40th residue in the N-terminal region and the remaining nine localized in the C-terminal third part. We have shown that SeP not only catalyses the reduction of phosphatidylcholine hydroperoxide by glutathione [Saito, Hayashi, Tanaka, Watanabe, Suzu...

A. Jamshidi A. Safavi M. Vadi

The mono-metallic and bi-metallic catalysts have been prepared by impregnating with solutions containing a compound of H2PtCl6,WO3 and 1ml HCl (0.1 mol). It should be noted that the catalysts’ activity and selectivity have been determined under these conditions : 450-5000C ,and 15-25atm by H2. For converting n-heptane , the molar ratio H2/C7H16 is 5 , and LHSV is 1.5ml/h. It has been proved tha...

Ebrahim Esalati Mina Ghiasi, Nahal Majdoddin

In this paper, we used quantum chemical approach to shed light on the catalytic mechanism of γ-carbonic anhydrase (γ-CA) to convert carbon dioxide to bicarbonate ion. Density functional theory (DFT) using B3LYP and UB3LYP functional and three split-valance including 6-31G*, 6-311G** and 6-311++G** basis sets were used to calculate the details of electronic structure and electronic energy of act...

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