نتایج جستجو برای: amounts of beta

تعداد نتایج: 21179088  

Journal: :The Journal of biological chemistry 2003
Tomoo Shimada Kenji Yamada Miyuki Kataoka Satoru Nakaune Yasuko Koumoto Miwa Kuroyanagi Satoshi Tabata Tomohiko Kato Kazuo Shinozaki Motoaki Seki Masatomo Kobayashi Maki Kondo Mikio Nishimura Ikuko Hara-Nishimura

The proprotein precursors of storage proteins are post-translationally processed to produce their respective mature forms within the protein storage vacuoles of maturing seeds. To investigate the processing mechanism in vivo, we isolated Arabidopsis mutants that accumulate detectable amounts of the precursors of the storage proteins, 12 S globulins and 2 S albumins, in their seeds. All six muta...

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Journal: :Biochemical Society symposium 2001
S D Yan A M Schmidt D Stern

Neurotoxicity of beta-amyloid peptide (A beta) in Alzheimer's disease (AD) is usually thought to arise from the nonspecific effects of high concentrations of A beta on vulnerable neurons, resulting in membrane destabilization and increasing intracellular calcium concentration. This review advances the hypothesis that at early stages of AD, when A beta is present in lower amounts, its ability to...

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Journal: :Physical review 2021

We report a study of quantum oscillations (QO) in the magnetic torque nodal-line Dirac semimetal $\mathrm{ZrSiS}$ fields up to 35 T and temperature range from 40 K down 2 K, enabling high resolution mapping Fermi surface (FS) topology ${k}_{z}=\ensuremath{\pi}$ (Z-R-A) plane first Brillouin zone (FBZ). It is found that oscillatory part measured signal consists low frequency (LF) contributions (...

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پایان نامه :دانشگاه آزاد اسلامی واحد تهران شرق - پژوهشکده علوم پایه کاربردی 1393
زهرا شهابی, رضا کیا کجوری, اکبر دادرس,

امروزه ترکیبات آلاینده‎ آلی به‎وسیله فعالیت های انسانی، از راه های متفاوتی تولید می شوند. این آلاینده‎ها به‎دلیل ویژگی های جهش‎زایی، سرطان‎زایی و سمیت بالایی که دارند برای محیط زیست و موجودات زنده خطرناک هستند. این مواد نسبتاً فرارند و نیمه عمر طولانی دارند لذا تخریب و از بین بردن آلاینده های آلی به‎روش هایی که برای محیط زیست مضر نباشد، مهم است. با توجه به کاربرد گسترده زئولیت‎ها در جذب آلاینده‎...

Journal: :Gut 2006

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Journal: :Catalysts 2022

The catalytic hydrotreatment of humins, the solid byproduct produced from conversion C6 sugars (glucose, fructose) to 5-hydroxymethylfurfural (HMF), using supported Pd@zeolite (Beta, Y, and USY) catalysts with different amounts Pd (i.e., 0.5, 1.0 1.5 wt%) was investigated under molecular hydrogen pressure. highest humins (52.0%) obtained on 1.5Pd@USY catalyst while amount oil (27.3%) in presenc...

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پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1389
سعید کوچکی, سید سیاوش مداینی,

here, we report analysis of in vitro and in vivo drug release from an in situ formulation consisting of triamcinolone acetonide (tr) and poly(d,l-lactide-co-glycolide) (plga) and the additives glycofurol and hydroxyapatite nanoparticles (ha). we found that these additives enhanced drug release rate. we used the taguchi method to predict optimum formulation variables to minimise the initial burs...

Journal: :iranian journal of fuzzy systems 2012
h. altinok y. altin m. isik

in this study we introduce the concepts of statistical convergence of order$beta$ and strong $p-$ces`{a}ro summability of order $beta$ for sequencesof fuzzy numbers. also, we give some relations between the statisticalconvergence of order $beta$ and strong $p-$ces`{a}ro summability of order$beta$ and construct some interesting examples.

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2016
Yating Li Tao Zhang Yuncai Zhou Yi Sun Yue Cao Xiaoai Chang Yunxia Zhu Xiao Han

The presenilin-mediated Notch1 cleavage pathway plays a critical role in controlling pancreatic beta cell fate and survival. The aim of the present study was to investigate the role of Notch1 activation in glucotoxicity-induced beta cell impairment and the contributions of miR-375, miR-30a, and miR-34a to this pathway. We found that the protein levels of presenilins (PSEN1 and PSEN2), and NOTCH...

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Journal: :Journal of bacteriology 1972
R E Palmer R L Anderson

Cleavage of gentiobiose in cell extracts of gentiobiose-grown Aerobacter aerogenes was dependent on the presence of adenosine 5'-triphosphate (ATP). The enzymes that participate in the overall reaction were shown to be a beta-glucoside kinase, which catalyzes the phosphorylation of gentiobiose with ATP to form gentiobiose monophosphate [6-O-phosphoryl-beta-d-glucopyranosyl-(1 --> 6)-d-glucose],...

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