نتایج جستجو برای: dissociation

تعداد نتایج: 38175  

2013
Cynthia J. Price Jerald R. Herting

Individuals in substance use disorder (SUD) treatment have shown high levels of difficulty with emotion regulation, as well as a high prevalence of reported trauma and symptoms of post-traumatic stress (PTS). Dissociation from the body is a common clinical experience among women with a history of sexual trauma. Research has shown promising effects of mind-body approaches in SUD treatment, as we...

Journal: :Annals of emergency medicine 1985
S H Ralston W A Tacker L Showen A Carter C F Babbs

The dose-response curves of epinephrine given either IV or endotracheally (ET) were compared during resuscitation from electromechanical dissociation (EMD). Ten anesthetized dogs were subjected to a two-minute period of electrically induced ventricular fibrillation (VF) followed by defibrillation without CPR to produce EMD. Mechanical CPR was followed by injection of either ET or IV epinephrine...

2013
Sarah C.R. Lummis Andrew J. Thompson

Palonosetron is a potent 5-HT₃ receptor antagonist with a unique structure and some unusual properties. Here we explore the properties of palonosetron at heterologously expressed 5-HT₃A and 5-HT₃AB receptors. We used receptors expressed in HEK293 cells, and functionally analysed them using a membrane potential sensitive dye in a Flexstation, which revealed IC₅₀s of 0.24 nM and 0.18 nM for 5-HT₃...

Journal: :Methods in enzymology 2006
Celine M DerMardirossian Gary M Bokoch

Rho GTPase activation is partially regulated at the level of guanine nucleotide dissociation inhibitors, or GDIs. The binding of Rho GTPases to GDIs has been shown to dramatically reduce the action of guanine nucleotide exchange factors (GEFs) to initiate Rho GTPase activation. The GDI-GTPase complex thus serves as a major point of regulation of Rho GTPase activity and function. It is likely th...

Journal: :journal of physical & theoretical chemistry 2015
m. khaleghian gh. r. ghashami

according to the bronsted definition, any compound which has a hydrogen atom is an acid, since itmay be lost as a proton. a thermodynamical cycle is proposed to calculate absolute pka values forbronsted acids in aqueous solution. the equilibrium of dissociation of a bronsted acid depends onthe interaction of the acid and its conjugate base with solvent molecules. there fore the pka valuedepends...

2017
Ran Xiong Dong Die Lu Xiao Yong-Gen Xu Xu-Ying Shen

The structural, electronic, and magnetic properties of Ag n V (n = 1-12) clusters have been studied using density functional theory and CALYPSO structure searching method. Geometry optimizations manifest that a vanadium atom in low-energy AgnV clusters favors the most highly coordinated location. The substitution of one V atom for an Ag atom in Ag n + 1 (n ≥ 5) cluster modifies the lowest energ...

Journal: :Physical review letters 2006
Damien Caliste Pascal Pochet

In this Letter we report kinetic lattice Monte Carlo simulations of vacancy-assisted diffusion in silicon. We show that the observed temperature dependence for vacancy migration energy is explained by the existence of three diffusion regimes for divacancies. This characteristic has been rationalized with an analytical model. In the intermediate temperature regime the divacancy dissociation play...

Journal: :The Journal of chemical physics 2006
Liang Qi Jianguo Yu Ju Li

Hydrogen oxidation on Pt (111) surface is modeled by density functional theory (DFT). Previous DFT calculations showed too large O2 dissociation barriers, but we find them highly coverage dependent: when the coverage is low, dissociation barriers close to experimental values (approximately 0.3 eV) are obtained. For the whole reaction, a new pathway involving hydroperoxyl (OOH) intermediate is f...

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