نتایج جستجو برای: omps

تعداد نتایج: 479  

Journal: :Journal of Atmospheric and Solar-Terrestrial Physics 2021

We present new observations of polar mesospheric clouds (PMCs) from the Ozone Mapping and Profiler Suite (OMPS) Limb (LP) instrument. The OMPS LP limb scattering measurements provide altitude-resolved PMC with full global coverage 2012 to present. Relative brightness observed by varies between hemispheres due changes in viewing geometry, consistent other measurements. season start dates for det...

2015
Deirdre R. Ducken Wendy C. Brown Debra C. Alperin Kelly A. Brayton Kathryn E. Reif Joshua E. Turse Guy H. Palmer Susan M. Noh Roman Ganta

Anaplasma marginale is a tick-borne rickettsial pathogen of cattle with a worldwide distribution. Currently a safe and efficacious vaccine is unavailable. Outer membrane protein (OMP) extracts or a defined surface protein complex reproducibly induce protective immunity. However, there are several knowledge gaps limiting progress in vaccine development. First, are these OMPs conserved among the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم پایه 1390

بر اساس گزارش سازمان جهانی بهداشت helicobacter pylori به عنوان یک عامل مولد سرطان و دومین عامل سرطان معده در سراسر دنیا رده بندی شده است. عفونت با این ارگانیسم با گاستریت، زخم اثنی عشر، زخم معده و سرطان معده در ارتباط می باشد. عفونت معمولا در دوران کودکی اتفاق می افتد که در کشورهای در حال توسعه شایع تر از کشورهای توسعه یافته است. مطالعات نشان داده اند که سویه های h. pylori جدا شده در نقاط مختلف...

Journal: :Water Research 2021

• mDOM aromaticity outweighs increased hydrophilicity in affecting competitiveness. π-interaction can induce stronger competition albeit weaker adsorption. Weakly adsorbable mDOMs were not competitors with strongly adsorbing OMPs. OMPs affected by competitors. adsorbability was a better indicator for competitiveness than logD or SUVA. Low molecular weight (LMW) dissolved organic matter (DOM) is...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم پایه 1388

گوناگونی زیادی بین ژنوتیپ ژن های مختلف و بیان آنها در سویه های مختلف helicobacter pylori وجود دارد که در این رابطه مطالعات زیادی در مورد ژن های vaca و caga انجام شده است. اما مطالعات کمتری در زمینه تفاوت های موجود ما بین پروتئین های غشای خارجی (outer membrane proteins, omp) در سویه های مختلف h. pylori انجام شده است. در این مطالعه پروفایل omps سویه های مختلف h. pylori جداشده از کودکان مقایسه و ر...

2012
Katarina Bartoš Jansen Susan Lynn Baker Marcelo Carlos Sousa

The assembly of β-barrel Outer Membrane Proteins (OMPs) in the outer membrane is essential for gram-negative bacteria. The process requires the β-Barrel Assembly Machine (BAM), a multiprotein complex that, in E. coli, is composed of the OMP BamA and four lipoproteins BamB-E. Whereas BamA and BamD are essential, deletion of BamB, C or E produce membrane permeability defects. Here we present the ...

Journal: :Separation and Purification Technology 2022

It was widely acknowledged that dissolved organic matter (DOM) in natural water has ubiquitous competitiveness against micropollutants (OMPs) during adsorption onto activated carbon. However, some (model) low molecular weight organics have been reported to adsorb carbon, but were not competitive co-adsorbates. The objective of this study is identify which adsorbable DOM fractions contribute the...

Journal: :Journal of marine science and technology 2021

How to effectively use an intelligent aid-to-navigation (AtoN) prevent ships from accidentally colliding with offshore marine platforms (OMPs) is important issue for maritime environment. This study proposes a novel collision alert system three components process Automatic Identification System (AIS) data in the cloud and broadcast AtoNs order avoid OMPs. The first component receives as input f...

Journal: :Water Research 2021

Several studies have shown that organic micropollutants (OMPs) are biotransformed cometabolically in activated sludge systems. However, the individual role of heterotrophs microbial consortium is still not clear, i.e., there a gap regarding influence heterotrophic activity on cometabolic biotransformation kinetics and yield OMPs. Aiming to answer these questions, experiments with increasing pri...

2016
Amitoz Kour S Gurdeep Singh Shailja Katoch Mandeep Sharma Geetanjali Singh

Pasteurella multocida is a causative agent of a number of economically important diseases in livestock. Due to the fatal nature of the disease, there is urgent need for rapid diagnosis so that appropriate therapeutic and preventive measures could be undertaken. A study was designed to extract different antigens of P. multocida capsular type A and B which included whole bacterium, Capsular antig...

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