نتایج جستجو برای: 5421

تعداد نتایج: 58  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی عمران 1393

امروزه در کلان شهرها، آلودگی هوا با تار و پود زندگی مدرن در هم آمیخته است. متأسفانه شهر تهران به عنوان یکی از شهرهای بزرگ دنیا از این پدیده مستثنی نیست. یکی از عناصر آلوده کننده هوای شهر تهران گاز co می¬باشد. از آنجا که یکی از معضلات اصلی این شهر تردد زیاد وسایل نقلیه عمومی می¬باشد، وجود این گاز در سطح شهر امری بدیهی است. از این رو در این تحقیق داده¬های مربوط به این گاز در سال 92 از تمام ایستگ...

Journal: :Journal of the American Chemical Society 2001
A N Kapanidis Y W Ebright R H Ebright

Structural and mechanistic characterization of proteins by fluorescence resonance energy transfer (FRET)1,2 requires the ability to incorporate fluorescent probes at specific, defined sites.2 For proteins that do not contain cysteine residues, site-specific fluorescent labeling can be accomplished by use of site-directed mutagenesis to introduce a cysteine residue at the site of interest, follo...

2014
Taku Ito-Kureha Naohiko Koshikawa Mizuki Yamamoto Kentaro Semba Noritaka Yamaguchi Tadashi Yamamoto Motoharu Seiki Jun-ichiro Inoue

Triple-negative breast cancers (TNBC),which include the basallike and claudin-low disease subtypes, are aggressive malignancies for which effective therapeutic targets are lacking. NF-kB activation has an established role in breast malignancy, and it is higher in TNBC than other breast cancer subtypes. On this basis, we hypothesized that proteins derived from NF-kB target genes might be molecul...

2008
Julie A. Thayer Douglas F. Bertram Scott A. Hatch Mark J. Hipfner Leslie Slater William J. Sydeman Yutaka Watanuki

We tested the hypothesis of synchronous interannual changes in forage fish dynamics around the North Pacific Rim. To do this, we sampled forage fish communities using a seabird predator, the rhinoceros auklet (Cerorhinca monocerata), at six coastal study sites from Japan to California. We investigated whether take of forage fishes was related to local marine conditions as indexed by sea surface...

2014
Taku Ito-Kureha Naohiko Koshikawa Mizuki Yamamoto Kentaro Semba Noritaka Yamaguchi Tadashi Yamamoto Motoharu Seiki Jun-ichiro Inoue

Triple-negative breast cancers (TNBC),which include the basallike and claudin-low disease subtypes, are aggressive malignancies for which effective therapeutic targets are lacking. NF-kB activation has an established role in breast malignancy, and it is higher in TNBC than other breast cancer subtypes. On this basis, we hypothesized that proteins derived from NF-kB target genes might be molecul...

Journal: :Journal of Vascular Surgery 2023

Carotid bifurcation stenosis may coexist simultaneously with more proximal common carotid artery (CCA) atherosclerotic plaquing, primarily at the vessel origin in aortic arch. Obtaining long-term outcomes data is vital to making any definitive conclusions on efficacy of performing this dual treatment. Four cohorts were created for perioperative outcome analysis and Kaplan-Meier freedom from eve...

Journal: :Trends in Biotechnology 2021

Mutualistic microbes associated with plants have enormous potential for economical and sustainable agriculture.There are two approaches to plant microbiome engineering: the bottom-up approach that involves isolating, engineering, reintroducing specific microbes, top-down synthetic ecology, using horizontal gene transfer a broad range of hosts in situ then phenotyping microbiome.Recent advances ...

2013
Jason E. Cummings Adam J. Beaupre Susan E. Knudson Nina Liu Weixuan Yu Carla Neckles Hui Wang Avinash Khanna Lily A. Trunck Herbert P. Schweizer Peter J. Tonge Richard A. Slayden

24 Identification of a novel class of anti-Burkholderia compounds is key in 25 addressing antimicrobial resistance to current therapies as well as naturally 26 occurring resistance. The FabI enoyl-ACP reductase in Burkholderia is an 27 underexploited target that presents an opportunity for development of a new 28 class of inhibitors. A library of substituted diphenyl ethers were used to identif...

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