نتایج جستجو برای: the activity against gram

تعداد نتایج: 16314999  

ژورنال: بوم شناسی آبزیان 2012
, ,

Sponges are the most primitive and simplest multicellular animals. These organisms don’t have any mechanical defense system, so their early appearance in evolution has given them a lot of time for the development of advanced secondary metabolites as chemical defense system. Sponges have the potential to provide drugs from chemical components against diseases, such as antibacterial. Antimicrobia...

Journal: :medical journal of islamic republic of iran 0
farrokh a. nakhdjavani from the department of microbiology, medical science faculty, tarbiat modarres university, tehran nasrin moazami , the department of biotechnology, iranian research organization for science and technology, p.o. box 15815-3338, tehran hassan lamea the food science and technology center, postgraduate and advanced research branch, islamic azad university, p.o. box 19395-1775, tehran, islamic republic of iran.

71 samples of milk and dairy products were collected from 18 cities throughout iran. 93 strains of lactic acid bacteria (lab) were isolated and assayed against four opportunistic patho gens including e. coli, proteus and klebsiella as gram-negative and s. aureus as a gram-positive organism. all indicators (organisms) were hospital strains. among isolated bacteria, lactobacilli (37 isolates) had...

Journal: :international journal of nano dimension 0
p. srinivas department of pharmaceutics, faculty of pharmacy. sri venkateshwara college of pharmacy and research center, osmania university, hyderabad, andhra pradesh, india. s. pragna department of pharmaceutics, faculty of pharmacy. sri venkateshwara college of pharmacy and research center, osmania university, hyderabad, andhra pradesh, india.

the objective of the present study was to prepare controlled release formulation of moxifloxacin hydrochloride ocular nanoparticles. the nanoparticles were prepared by solvent displacement method using eudragit rl 100 as a polymer. different formulations were prepared by varying the ratios of drug and polymer and varying the ratios of organic and aqueous phase. the formulations were evaluated i...

Françoise Bernard Gholam Hossein Ebrahimi pour Hossein Shaker Bazarnov Mahboubeh Irani, Marziyeh Sarmadi

Licorice (Glycyrrhiza glabra L.) is an important medicinal plant. In this study, the antimicrobial activities of ethanolic and aqueous extracts from licorice leaves were studied compared to root extracts activities. Bacillus subtilis, Enterococcus faecalis, Klebsiella pneumoniae, Pseudomonas aeruginosa, Staphylococcus aureus and Escherichia coli, and Candida albicans were used as test organisms...

Journal: :research in molecular medicine 0
samaneh mashhadi 2. school of pharmacy, mashhad university of medical sciences, mashhad, iran. mahdi moshtaghi nikou 3. microorganisms bank, iranian biological resource centre (ibrc), acecr tehran-iran mohammad ali amoozegar 4. extremophiles laboratory, department of microbiology, faculty of biology and center of excellence in phylogeny of living organisms, college of science, university of tehran, tehran, iran. abolghasem danesh

background: the appearance of multi-drug resistant microorganisms is becoming a global problem. already several strategies have been employed for overcoming antibiotic resistance issue. developing new antimicrobial compounds from microbial source could be a beneficial solution. hence screening programs in order to discover new antibiotics from microbial entities is interesting. because of high ...

حسین زاده, ادریس, سمرقندی, محمد رضا, علیخانی, محمد یوسف,

Background and Objective: This study aimed to determine the antibacterial activity of either zinc oxide or copper oxide nanoparticles alone or combined against Gram-positive and Gram-negative bacteria. Materials and Methods: In this experimental study Escherichia coli (E. coli ATCC 25922), Staphylococcus aureus (S.aureus ATCC 25923), Pesudomonas aueroginosa (P. aueroginosa ATCC 27853) and Staph...

F Shahrezaei , M Khanahmadi , M Taran , Sh Rezazadeh ,

Background: Artemisia species with common Persian name of Dermaneh are found all over Iran and are used for treatment in infectious diseases such as malaria, hepatitis and other diseases. Some Artemisia species are used in traditionally as tonic and anti-helmintic in north of Iran. Objective: The aim of this study was to investigate chemical composition of the essential oil of Artemisia haussk...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده کشاورزی 1389

چکیده توان بالقوه تجاری سلولازها و کاربردهای گوناگون آن ها در بسیاری از صنایع انگیزه ای قوی برای تحقیق در این زمینه طی چند دهه گذشته بوده است. با توجه به کاربردهای فراوان این آنزیم در صنایع غذایی? در این پژوهش تصمیم به جداسازی ریزسازواره های تولید کننده سلولاز از خاک درختان انار، انگور، خرمالو و گردو حیاط دانشکده کشاورزی تربیت مدرس، گرفته شد. در این بین خاک درخت خرمالو به دلیل دارا بودن تعداد ...

Journal: :journal of medicinal plants and by-products 0

a wide range of medicinal plant parts that possess varied medicinal properties are used for extracts as raw drugs. in this study, the ethanolic extract obtained from aerial parts of fennel (foeniculum vulgare mill.) seedlings was evaluated in vitro to examine their antimicrobial activity against four gram-negative and three gram-positive bacteria and two fungi. aerial parts of one-month-old see...

A. Ali Ahmadi F. Mahmoodi Kordi H. Valizadeh M.B. Bahadori Sh. Bahadori

Background and objectives: The main aims of this study have been finding out the antibacterial activity and preliminary phytochemical screening of some fern species. Methods: The antimicrobial activity of the methanol extracts of Polypodium interjectum Shivas, Polystichum woronowii Fomin, Polystichum aculeatum (L.) Roth., Dryopteris affinis (Lowe) Fraser-Jenk...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید