نتایج جستجو برای: rhodotorula rubra

تعداد نتایج: 2997  

Journal: :The Journal of biological chemistry 1993
L Pollegioni B Langkau W Tischer S Ghisla M S Pilone

The reaction of two D-amino acid oxidases from the yeasts Rhodotorula gracilis and Trigonopsis variabilis with the substrates alanine and valine in their 2-1H and 2-2H forms was studied employing the stopped-flow spectrophotometric technique. The turnover numbers at infinite substrate and oxygen concentrations were: 20,700/4,250 and 1,730/360 ([2-1H]/[2-2H]alanine and valine, respectively) for ...

Journal: :Annals and Magazine of Natural History 1848

2017
Maja Radziemska Magdalena D. Vaverková Anna Baryła

Contamination of soil by copper (Cu) has become a serious problem throughout the world, causing the reduction of agricultural yield and harmful effects on human health by entering the food chain. A glasshouse pot experiment was designed to evaluate the potential use of halloysite as an immobilizing agent in the aided phytostabilization of Cu-contaminated soil, using Festuca rubra L. The content...

2006
Otto Isler OTTO ISLER

A review is given of the development of the industrial manufacture of carotenoids and vitamin A by isolation and by synthesis. Special emphasis is placed on the use of carotenoids as a preferred class of colouring matters for food and feed. INTRODUCTION A review of the industrial manufacture of carotenoids and vitamin A may be separated into four areas: First the area of isolation and the struc...

2017
Suparna Sen Siddhartha Narayan Borah Arijit Bora Suresh Deka

BACKGROUND Sophorolipids are one of the most promising glycolipid biosurfactants and have been successfully employed in bioremediation and various other industrial sectors. They have also been described to exhibit antimicrobial activity against different bacterial species. Nevertheless, previous literature pertaining to the antifungal activity of sophorolipids are limited indicating the need fo...

Journal: :African journal of traditional, complementary, and alternative medicines : AJTCAM 2013
Wanpeng Xu Wei Zhong Jinlan Liu Hong Liu Bing Zhu

The objective of the paper was to study the anti-tumor effect of total glycosides from Radix paeoniae rubra in S180 tumor-bearing mice, and to preliminarily explore its mechanism of action. Mice were made into S180 solid tumor model, grouped and administered with the extracts; tumor inhibition rate was measured by harvesting the tumors, and serum IL-2 and IL-4 levels were measured by taking blo...

ژورنال: :پژوهنده 0
دکتر مراحم آشنگرف morahem ashengroph m; department of biology and biotechnology, faculty of sciences, university of kurdistan, sanandaj; p.o. box 416; telefax: +98 871 6624133کردستان، سنندج، بلوار پاسداران، دانشگاه کردستان، صندوق پستی 416، کدپستی: 15175-66177، تلفن و نمابر: 6624133 (0871)؛

سابقه و هدف: فناوری نانو رویکردهای جدیدی برای مبارزه و جلوگیری از بیماری ها از طریق استفاده از اتصال در مقیاس اتمی مواد می گشاید. در میان بهترین مواد با خاصیت ضد میکروبی، نانوذره ی نقره به عنوان یکی از پرکاربردترین نانوذرات در علوم پزشکی، دارویی و بهداشتی مورد استفاده قرار گرفته است. توسعه ی روش های زیستی تولید نانوذرات، به عنوان روشی سازگار با محیط زیست و ارزان، مطرح است. اگرچه اثرات سمی یون ن...

2010
Alberto Amaretti Stefano Raimondi Maurizio Sala Lucia Roncaglia Marzia De Lucia Alan Leonardi Maddalena Rossi

BACKGROUND The production of microbial lipids has attracted considerable interest during the past decade since they can be successfully used to produce biodiesel by catalyzed transesterification with short chain alcohols. Certain yeast species, including several psychrophilic isolates, are oleaginous and accumulate lipids from 20 to 70% of biomass under appropriate cultivation conditions. Among...

Journal: :Microbiologia Medica 2004

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