نتایج جستجو برای: msa

تعداد نتایج: 2638  

2016
Zhuoran Sun Yasuyuki Ohta Toru Yamashita Kota Sato Mami Takemoto Nozomi Hishikawa Koji Abe

OBJECTIVE The aim of this study was to analyze the association between the variations of coenzyme Q2 4-hydroxybenzoate polyprenyltransferase gene (COQ2) and Japanese patients with multiple system atrophy (MSA). METHODS We investigated the genetic variations in exons 1, 2, 6, and 7 of the COQ2 gene in 133 Japanese patients with MSA and 200 controls and analyzed the association between the vari...

2004
Jayant DeSouza Laxmikant V. Kalé

Shared address space (SAS) parallel programming models have faced difficulty scaling to large number of processors. Further, although in some cases SAS programs are easier to develop, in other cases they face difficulties due to a large number of race conditions. We contend that a multi-paradigm programming model comprising a distributedmemory model with a disciplined form of shared-memory prog...

Journal: :Bioinformation 2008
Nadia Essoussi Khaddouja Boujenfa Mohamed Limam

Multiple sequence alignment (MSA) is essential in phylogenetic, evolutionary and functional analysis. Several MSA tools are available in the literature. Here, we use several MSA tools such as ClustalX, Align-m, T-Coffee, SAGA, ProbCons, MAFFT, MUSCLE and DIALIGN to illustrate comparative phylogenetic trees analysis for two datasets. Results show that there is no single MSA tool that consistentl...

Journal: :Bioengineering 2023

Maxillary sinus augmentation with a lateral approach (MSA) is well-established treatment. In this prospective study, we evaluated risk factors for postoperative bone graft displacement and reported the clinical application of long-term resorbable L-lactic acid/-caprolactone (PLA/PCL) as barrier membrane to cover open window in wall MSA. Twenty-four patients underwent MSA according relevant crit...

Journal: :Journal of Sustainable Metallurgy 2022

Abstract This paper reviews the properties of methanesulfonic acid (MSA) and its potential for use in hydrometallurgy. Although MSA is much less known than sulfuric, hydrochloric or nitric acid, it has several appealing that makes very attractive development new circular flowsheets Unlike other organic acids such as acetic a strong ( pK = ? 1.9). In addition, stable against chemical oxidation r...

طاهریان, دکتر عباسعلی, جلال, علی, رشیدی‌پور, دکتر علی, وفایی, دکتر عباسعلی‌,

Background and Objectives: Previous studies indicated that Medial Septal Area (MSA) plays an important role in spatial memory and glucocorticoid receptors have probably effects on emotional learning and memory storage in this area. The aim of this study was determination of the role of glucocorticoid receptors in MSA on spatial memory in rats. Materials and Methods: In this experimental study ...

Journal: :international journal of health policy and management 0
jacqueline margaret cumming health services research centre, victoria university of wellington, wellington, new zealand

with demand for health services continuing to grow as populations age and new technologies emerge to meet health needs, healthcare policy-makers are under constant pressure to set priorities, ie, to make choices about the health services that can and cannot be funded within available resources. in a recent paper, smith et al apply an influential policy studies framework – kingdon’s multiple str...

Journal: :Bioinformatics 2015
Quan Zou Qinghua Hu Maozu Guo Guohua Wang

MOTIVATION Multiple sequence alignment (MSA) is important work, but bottlenecks arise in the massive MSA of homologous DNA or genome sequences. Most of the available state-of-the-art software tools cannot address large-scale datasets, or they run rather slowly. The similarity of homologous DNA sequences is often ignored. Lack of parallelization is still a challenge for MSA research. RESULTS W...

Journal: :Trends in neurosciences 2011
Kiren Ubhi Phillip Low Eliezer Masliah

Multiple system atrophy (MSA) is a neurodegenerative disease involving motor abnormalities that include akinesia, rigidity and postural instability. While improved diagnostic criteria have aided the accurate diagnosis of MSA, our understanding of the neuropathological aspects underlying MSA was bolstered by the identification of α-synuclein (α-syn) as the primary constituent of the abnormal pro...

2005
Sudip Mukhopadhyay Mark Zerella Alexis T. Bell

A direct approach for producing methanol from methane in a three-step, liquid phase process is reported. In the first step, methane is reacted with SO3 to form methanesulfonic acid (MSA) at 75 8C using a free-radical initiator and MSA as the solvent. Urea-H2O2 in combination with RhCl3 is found to be the most effective initiator (57% conversion of SO3; 7.2% conversion of CH4). MSA is then oxidi...

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