نتایج جستجو برای: bromothymol blue btb

تعداد نتایج: 72675  

2011
K. SRINIVASU

Three simple, economical, precise, reliable and reproducible visible spectrophotometric methods (A, B and C) have been developed for the estimation of Levetiracetam in bulk as well as in Tablet formulation. The developed methods A, B and C are based on the formation of chloroform extractable complex of Levetiracetam with Bromocresol green (method A), Bromophenol blue (method B) and Bromothymol ...

2017
Weichao Yang Litao Han Mandlaa Mandlaa Haihong Zhang Zhongze Zhang Hui Xu

A new plate method was developed for rapid screening of Ketogulonicigenium vulgare mutants overproducing 2-keto-l-gulonic acid (2-KLG). The screening methodology took the advantage of the acidity caused by 2-KLG, which changes the color of bromothymol blue (pH indicator) from blue to yellow. Using the proposed method, a mutant, K. vulgare 65, was selected from 20,000 colonies produced by a stra...

2014
Maha Al-Asmakh Jan-Bernd Stukenborg Ahmed Reda Farhana Anuar Mona-Lisa Strand Lars Hedin Sven Pettersson Olle Söder

Nutrients and environmental chemicals, including endocrine disruptors, have been incriminated in the current increase in male reproductive dysfunction, but the underlying mechanisms remain unknown. The gastrointestinal tract represents the largest surface area exposed to our environment and thereby plays a key role in connection with exposure of internal organs to exogenous factors. In this con...

Journal: :iranian journal of microbiology 0
keyvan tadayon department of veterinary aerobic bacterial research & vaccine production, razi vaccine and serum research institute, karaj 3197619751, iran. nader mosavari ppd tuberculin department, razi vaccine & serum research institute, karaj, iran. mohammad mehdi feizabadi department of microbiology, school of medicine, tehran university of medical sciences, tehran, iran.

for the whole 20th century, bovine tuberculosis (btb) challenged the international community efforts to control this zoonotic disease. asia and africa accommodate the largest btb-infected zebu cattle in the world. similar to other few asian nations, iran has been actively running its btb-control plan for the last four decades. btb however, is still a number-one health concern for iranian veteri...

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