نتایج جستجو برای: biological compounds

تعداد نتایج: 666827  

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

abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...

Journal: :mycologia iranica 2014
mohammad ali tajick ghanbari hamideh seid mohammadkhani valiollah babaeizad

fungi produce a wide range of secondary metabolites such as antibiotics, toxins, alkaloids, fatty acids, ketones and alcohols during active cell growth. the present study was aimed to identify secondary metabolites from some penicillium species, using gc-ms. many important compounds such as 3-oxoquinuclidine in penicillium jenseii, formamidine in penicillium pusillum, orcinol and 1,3,8-p-mentha...

Journal: :progress in biological sciences 2014
mohammad ali tajick hamideh seid mohammad khani valiollah babaeizad

microorganisms are important components of soil. some soil filamentous fungi such aspenicilium produce many bioactive small molecules, or secondary metabolites, that range frombeneficial bioactive compounds to harmful toxins. in this study, the metabolites of threepenicillium species (p. goditanum, p. moldavicum and p. corylophilum) were extracted byadding ethyl acetate to liquid cultures. the ...

Journal: :international journal of environmental research 0
m. assassi université houari boumediene, institut de chimie industrielle, laboratoire de génie de la réaction, alger 1611, algeria f. fourcade université rennes 1, ecole nationale supérieure de chimie de rennes, cnrs, umr 6226, avenue du général leclerc, cs 50837, 35708 rennes cedex 7, france, université rennes 1, cnrs, umr 6226, equipe catalyse et organométalliques, campus de beaulieu, 35042 r f. geneste université rennes 1, ecole nationale supérieure de chimie de rennes, cnrs, umr 6226, avenue du général leclerc, cs 50837, 35708 rennes cedex 7, france 3 université rennes 1, cnrs, umr 6226, equipe catalyse et organométalliques, campus de beaulieu, 35042 d. floner université rennes 1, ecole nationale supérieure de chimie de rennes, cnrs, umr 6226, avenue du général leclerc, cs 50837, 35708 rennes cedex 7, france 3 université rennes 1, cnrs, umr 6226, equipe catalyse et organométalliques, campus de beaulieu, 35042 r. maachi université rennes 1, ecole nationale supérieure de chimie de rennes, cnrs, umr 6226, avenue du général leclerc, cs 50837, 35708 rennes cedex 7, france a. amrane université rennes 1, ecole nationale supérieure de chimie de rennes, cnrs, umr 6226, avenue du général leclerc, cs 50837, 35708 rennes cedex 7, france 3 université rennes 1, cnrs, umr 6226, equipe catalyse et organométalliques, campus de beaulieu, 35042

the aim of this study was to determine the feasibility of coupling an electrochemical process with a biological treatment in order to degrade phosmet, an organophosphorous pesticide. the absence of biodegradability of phosmet by pseudomonas fluorescens and activated sludge was verified in our operational conditions. so, a conventional biological treatment is not appropriate for phosmet polluted...

Journal: :international journal of environmental research 2010
m. assassi f. fourcade f. geneste d. floner r. maachi

the aim of this study was to determine the feasibility of coupling an electrochemical process with a biological treatment in order to degrade phosmet, an organophosphorous pesticide. the absence of biodegradability of phosmet by pseudomonas fluorescens and activated sludge was verified in our operational conditions. so, a conventional biological treatment is not appropriate for phosmet polluted...

Microorganisms are important components of soil. Some soil filamentous fungi such asPenicilium produce many bioactive small molecules, or secondary metabolites, that range frombeneficial bioactive compounds to harmful toxins. In this study, the metabolites of threepenicillium species (P. goditanum, P. moldavicum and P. corylophilum) were extracted byadding ethyl acetate to liquid cultures. The ...

Journal: Mycologia Iranica 2014
H. Seid Mohammadkhani, M. A. Tajick Ghanbari V. Babaeizad

Fungi produce a wide range of secondary metabolites such as antibiotics, toxins, alkaloids, fatty acids, ketones and alcohols during active cell growth. The present study was aimed to identify secondary metabolites from some Penicillium species, using GC-MS. Many important compounds such as 3-oxoquinuclidine in Penicillium jenseii, formamidine in Penicillium pusillum, orcinol and 1,3,8-p-mentha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1370

دسته ای از ترکیبات شیمیائی که مخصوصا با گسترش زندگانی جدید (ماشینی)اهمیت فرآینده ای پیدامی کنند، افزودنیهای مختلف غذائی میباشند که در صنایع مربوطه بکار گرفته می شوند بکارگیری بخشی از این موا تحت عنوان طعم دهنده ها بمنظور تامین طعم و مزه طبیعی درفرآورده های صنعتی تقریبا اجتناب ناپذیر گشته و همگام با توسعه تولیدات روبه توسعه می رود. یک شناخت سیستماتیک و جامع از خواص و آثار اینگونه مواد طبیعتا مست...

Journal: :iranian journal of pharmaceutical research 0
ramin miri medicinal and natural products chemistry research center, shiraz university of medical sciences. shiraz, iran. pharmaceutical sciences research center, tehran university of medical sciences. tehran, 14174, iran omidreza firuzi medicinal and natural products chemistry research center, shiraz university of medical sciences. shiraz, iran. payam peymani medicinal and natural products chemistry research center, shiraz university of medical sciences. shiraz, iran. zohreh nazarian pharmaceutical sciences research center, tehran university of medical sciences. tehran, 14174, iran. department of medicinal chemistry, faculty of pharmacy, tehran university of medical sciences, tehran, iran. abbas shafiee pharmaceutical sciences research center, tehran university of medical sciences. tehran, 14174, iran. department of medicinal chemistry, faculty of pharmacy, tehran university of medical sciences, tehran, iran.

dna intercalators belong to aromatic heterocyclic compounds interacting reversibly with dna. these compounds have been used extremely as cytotoxic agents against cancer. in this study, the synthesis and biological activity of some novel derivatives of cyclopenta [b] quinoline-1, 8-dione as new intercalating agent were investigated. twenty novel derivatives of cyclopenta [b] quinoline-1, 8-dione...

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