نتایج جستجو برای: تری پنتیل فسفات tpp

تعداد نتایج: 25730  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1979
S Ramos E F Grollman P S Lazo S A Dyer W H Habig M C Hardegree H R Kaback L D Kohn

Accumulation of the permeant lipophilic cation [(3)H]tetraphenylphosphonium (TPP(+)) by synaptosome preparations from guinea pig brain cerebral cortex is inhibited 1:10 by medium containing 193 mM K(+) and by veratridine. A further 1:10 to 1:15 decrease in TPP(+) uptake occurs under nitrogen and in the presence of mitochondrial inhibitors such as oligomycin, whereas starvation and succinate sup...

2015
Mahendra Kumar Trivedi Gopal Nayak Khemraj Bairwa Snehasis Jana

Triphenyl phosphate (TPP) is a triester of phosphoric acid and phenol. It is commonly used as a fire-retarding agent and plasticizer for nitrocellulose and cellulose acetate. The present study was an attempt to evaluate the impact of biofield treatment on physicochemical and spectroscopic properties of TPP. The study was carried out in two groups i.e. control and treatment. The treatment group ...

2015
Ming-Hsien Tsai Shih-Hua Lin Jyh-Gang Leu Yu-Wei Fang Muhammed Mubarak.

Thyrotoxic periodic paralysis (TPP) is characterized by the presence of muscle paralysis, hypokalemia, and hyperthyroidism. We report the case of a young man with paralysis of the lower extremities, severe hypokalemia, and concurrent hyperthyroidism. TPP was suspected; therefore, treatment consisting of judicious potassium (K+) repletion and β-blocker administration was initiated. However, urin...

Journal: :Genes & development 2007
Samuel Bocobza Avital Adato Tali Mandel Michal Shapira Evgeny Nudler Asaph Aharoni

Riboswitches are natural RNA sensors that affect gene control via their capacity to bind small molecules. Their prevalence in higher eukaryotes is unclear. We discovered a post-transcriptional mechanism in plants that uses a riboswitch to control a metabolic feedback loop through differential processing of the precursor RNA 3' terminus. When cellular thiamin pyrophosphate (TPP) levels rise, met...

2005
R. K. Upadhyay J. Chattopadhyay

Abstract. Toxin producing phytoplankton (TPP) plays an important role in aquatic systems. To observe the role of TPP, we consider a three species food chain model consisting of TPP-zooplankton-fish population. The similar type of model considered by Upadhyay et al. [1] for terrestrial ecosystem and obtained chaotic dynamics in some region of parametric space. We modify their models by taking in...

Journal: :iranian journal of biotechnology 2014
reza mirnejad mirza ali mofazzal jahromi sharafaldin al-musawi majid pirestani mahdi fasihi ramandi

background: curcumin as a yellow natural compound extracted from turmeric root is known it as an antibacterial agent. one of the nanoparticles ability is to decrease the defects of usual drug delivery systems. chitosan is a low toxic, biodegradable, biocompatible and safe polymer which is used in production of nanoparticles. nanoparticles like chitosan-tripolyphosphate (tpp) are able to increas...

Journal: :Journal of biochemistry 2005
Hiroshi Oyama Tomoko Fujisawa Takao Suzuki Ben M Dunn Alexander Wlodawer Kohei Oda

Tripeptidyl peptidase I (TTP-I), also known as CLN2, a member of the family of serine-carboxyl proteinases (S53), plays a crucial role in lysosomal protein degradation and a deficiency in this enzyme leads to fatal neurodegenerative disease. Recombinant human TPP-I and its mutants were analyzed in order to clarify the biochemical role of TPP-I and its mechanism of activity. Ser280, Glu77, and A...

2005
Birgitta TOMKINSON Orjan ZETTERQVIST

Tripeptidyl peptidase II (TPP II) is a large intracellular exopeptidase with an active site of the subtilisin type. Affinitypurified hen antibodies against human erythrocyte TPP II cross-reacted with fibronectin in an immunoblot analysis. Furthermore, antibodies against human fibronectin cross-reacted with TPP II. Antibodies against a 65 kDa cell-binding fragment of fibronectin specifically rea...

Journal: :Perspectivas Revista de Ciencias Sociales 2018

Journal: :American journal of physiology. Gastrointestinal and liver physiology 2012
Svetlana M Nabokina Hamid M Said

All mammals require exogenous sources of thiamine (vitamin B1), as they lack the ability to synthesize the vitamin. These sources are dietary and bacterial (the latter is in reference to the vitamin, which is synthesized by the normal microflora of the large intestine). Bacterially generated thiamine exists in the free, as well as the pyrophosphorylated [thiamine pyrophosphate (TPP)], form. Wit...

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