نتایج جستجو برای: پلیمریزاسیون raft

تعداد نتایج: 7003  

Journal: :Studia Geotechnica et Mechanica 2022

Abstract In today’s time, construction is the main key for development of any nation, but land resources are getting deplete. Thus, on compressible soil left as a choice. Stone columns or granular piles (GPs) broadly used to advance bearing capacity crummy ground and lessen displacement constructionserected them. GP most efficient cheap improvement. Analysis single partially strengthened (SPS) ...

امین صالحی, ابراهیم, تات حصاری, سارا, ساعتی, کیوان, عباسیان, سلدا, فربیز, صدف, کارجو سادات, زینب, کلانتری, شیوا,

خلاصه: سابقه وهدف: با توجه به اهمیت میزان پلیمریزاسیون سمان های رزینی بر طول عمر ترمیم های غیر مستقیم و خلا اطلاعاتی موجود در این زمینه این تحقیق به هدف تعیین تاثیر ضخامت های مختلف پرسلن IPS e.max Press بر میزان پلیمریزاسیون سمان رزینی Light cured Choice 2 با روش FTIR در واحد دندانپزشکی دانشگاه آزاد اسلامی تهران در سال 1393 انجام شد. مواد و روش ها: در این تحقیق Experimental از نوع (in vitro) 4...

Journal: :Journal of Experimental Medicine 2002

Journal: :The Forestry Chronicle 1935

2014
Jessica Purcell Amaury Avril Geoffrey Jaffuel Sarah Bates Michel Chapuisat

Social organisms can surmount many ecological challenges by working collectively. An impressive example of such collective behavior occurs when ants physically link together into floating 'rafts' to escape from flooded habitat. However, raft formation may represent a social dilemma, with some positions posing greater individual risks than others. Here, we investigate the position and function o...

Journal: :Journal of lipid research 2005
Cuijuan Yu Michail Alterman Rick T Dobrowsky

Addition of exogenous ceramide causes a significant displacement of cholesterol in lipid raft model membranes. However, whether ceramide-induced cholesterol displacement is sufficient to alter the protein composition of caveolin-enriched lipid raft membranes is unknown. Therefore, we examined whether increasing endogenous ceramide levels with bacterial sphingomyelinase (bSMase) depleted cholest...

Journal: :Current Biology 2001
David R. Riddell Gary Christie Ishrut Hussain Colin Dingwall

Recent epidemiological studies show a reduced prevalence of Alzheimer's disease (AD) in patients treated with inhibitors of cholesterol biosynthesis. Moreover, the cholesterol-transport protein, apolipoprotein E4, and elevated cholesterol are important risk factors for AD. Additionally, in vitro and in vivo studies show that intracellular cholesterol levels can modulate the processing of amyloi...

Journal: :The Journal of Cell Biology 2003
Dmitry E. Shvartsman Mariana Kotler Renee D. Tall Michael G. Roth Yoav I. Henis

Lipid rafts play important roles in cellular functions through concentrating or sequestering membrane proteins. This requires proteins to differ in the stability of their interactions with lipid rafts. However, knowledge of the dynamics of membrane protein-raft interactions is lacking. We employed FRAP to measure in live cells the lateral diffusion of influenza hemagglutinin (HA) proteins that ...

2015
Antonio Veloso Wendy García Amaia Agirre Nicholas Ballard Fernando Ruipérez José M. Asua

Reversible Addition–Fragmentation chain Transfer (RAFT) polymerization has emerged as one of the most versatile reversible deactivation radical polymerization techniques and is capable of polymerizing a wide range of monomers under various conditions. One of the most important factors governing the success of a RAFT polymerization is the fraction of living chains at the end of the reaction, whi...

Journal: :Chemical communications 2014
Manami Tsukamoto Kenichi Kuroda Ayyalusamy Ramamoorthy Kazuma Yasuhara

The function and mode of action of curcumin in modulating the formation of lipid raft domains were investigated by microscopic observation using model membranes. Curcumin induces fusion of lipid raft domains at extremely low concentrations through the alteration of the boundary between the ordered and disordered phases.

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