نتایج جستجو برای: hydrolytic activities

تعداد نتایج: 381937  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...

2016
Vi N. Nguyen Annsea Park Anting Xu John R. Srouji Steven E. Brenner Jack F. Kirsch

The nearly 50,000 known Nudix proteins have a diverse array of functions, of which the most extensively studied is the catalyzed hydrolysis of aberrant nucleotide triphosphates. The functions of 171 Nudix proteins have been characterized to some degree, although physiological relevance of the assayed activities has not always been conclusively demonstrated. We investigated substrate specificity...

2016
Geetika Aggarwal Rameshwar Prajapati Rajan K. Tripathy Priyanka Bajaj A. R. Satvik Iyengar Abhay T. Sangamwar Abhay H. Pande Isabelle ANDRE

Human paraoxonase 1 (h-PON1) is a serum enzyme that can hydrolyze a variety of substrates. The enzyme exhibits anti-inflammatory, anti-oxidative, anti-atherogenic, anti-diabetic, anti-microbial and organophosphate-hydrolyzing activities. Thus, h-PON1 is a strong candidate for the development of therapeutic intervention against a variety conditions in human. However, the crystal structure of h-P...

2014
Ravi Gupta Renu Deswal

Class I chitinases hydrolyse the β-1,4-linkage of chitin and also acquire antifreeze activity in some of the overwintering plants during cold stress. Two chitinases, HrCHT1a of 31 kDa and HrCHT1b of 34 kDa, were purified from cold acclimated and non-acclimated seabuckthorn seedlings using chitin affinity chromatography. 2-D gels of HrCHT1a and HrCHT1b showed single spots with pIs 7.0 and 4.6 re...

2015
Bahar S. Razavi Evgenia Blagodatskaya Yakov Kuzyakov

The temperature sensitivity of enzymes responsible for organic matter decomposition in soil is crucial for predicting the effects of global warming on the carbon cycle and sequestration. We tested the hypothesis that differences in temperature sensitivity of enzyme kinetic parameters V max and K m will lead to a canceling effect: strong reduction of temperature response of catalytic reactions. ...

2016
Dali Song Xiangyin Xi Shaomin Huang Guoqing Liang Jingwen Sun Wei Zhou Xiubin Wang

Biochar (BC) addition to soil is a proposed strategy to enhance soil fertility and crop productivity. However, there is limited knowledge regarding responses of soil respiration and C-cycle enzyme activities to BC and nitrogen (N) additions in a calcareous soil. A 56-day incubation experiment was conducted to investigate the combined effects of BC addition rates (0, 0.5, 1.0, 2.5 and 5.0% by ma...

Journal: :Journal of the American Chemical Society 1905

Journal: :Acta medicinae Okayama 1966
T Seito T Ogata H Nobuto T Kawashima

The distribution and activities of five hydrolytic and eight oxidative enzymes were histochemically studied in 60 different tumors of the human intestines. Benign polyp showed similar activities of most enzymes as those in normal crypt cells of large intestine with exception of higher activity of succinic dehydrogenase in benign polyp than in crypt cells. Malignant polyp had higher activities o...

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