نتایج جستجو برای: biosynthesis

تعداد نتایج: 73081  

Journal: :iranian biomedical journal 0
مریم معظمی maryam moazeni نیلوفر رشیدی niloofar rashidi احمدرضا شاهوردی ahmad r. shahverdi فاطمه نوربخش fatemeh noorbakhsh ساسان رضایی sassan rezaie

background: to develop a new green approach for biosynthesis of silver nanoparticles, myconanotechnology has been represented as a novel field of study in nanotechnology. in this study, we have reported the extracellular synthesis of highly stable silver nanoparticles using three species of dermatophytes: trichophyton rubrum, trichophyton mentagrophytes and microsporum canis. methods: clinical ...

Journal: :iranian journal of pharmaceutical research 0
mohamed ghareib department of biological and geological sciences, faculty of education, ain shams university medhat abo tahoon department of biological and geological sciences , faculty of education, ain shams university, roxy 11757, cairo, egypt mona saif department of chemistry , faculty of education, ain shams university, roxy 11757, cairo, egypt wafaa abdallh department of biological and geological sciences faculty of education, ain shams university, roxy 11757, cairo, egypt

the development of green approaches for the biosynthesis of silver nanoparticles (agnps) is of prime significance in the field of nanotechnology research. a fast and eco-friendly protocol for the biosynthesis of extracellular agnps using culture supernatant (cs) from the fungus cunninghamella phaeospora was studied in this work. this cs was proved as a potential new source for the extracellular...

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

the development of reliable processes for the synthesis of nanoparticles is an important aspect of nanotechnology. biologically synthesized nanoparticles could have innumerable applications in different areas such as reception, catalyzers, biolabellers, etc. in the present review, we emphasize the richness of the microbial world which encompasses a plethora of endophytic entities as an emerging...

Journal: :iranian journal of biotechnology 2010
zahra ranjbar navazi mohammad pazouki farah sadat halek

in this study, silver nanoparticles were synthesized  using the fungus, aspergillus fumigatus. the effects of three independent variables including glucose content of culture media, initial ph and initial spore concentration on biosynthesis of silver nanoparticles were investigated. these variables affect cell morphology, cell mass, size and morphology of silver nanoparticles and degree of silv...

Journal: :iranian journal of biotechnology 2015
ghazale khaksar badredin ebrahim sayed tabatabaei ahmad arzani cyrus ghobadi esmaeil ebrahimie

background: pomegranate fruit (punica granatum l.) is a rich source of anthocyanin pigments resulting in vibrant colours and anti-oxidant contents. although the intensity and pattern of anthocyanin biosynthesis in fruit are strongly influenced by r2r3-myb transcription factors, little is known about the regulation and role of myb in anthocyanin pathway of pomegranate.objectives: the present stu...

Journal: :nanomedicine journal 0
meysam soltani nejad department of plant pathology, college of agriculture, shahid bahonar university of kerman, iranسازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university) mehrdad khatami department of biotechnology, college of agriculture, shahid bahonar university of kerman, iranسازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university) gholam hosein shahidi bonjar department of plant pathology, college of agriculture, shahid bahonar university of kerman, iranسازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university)

objective(s): the development of reliable and ecofriendly process for the synthesis of nano-metals is an important aspect in the field of nanotechnology. nano-metals are a special group of materials with broad area of applications. materials and methods: in this study, extracellular synthesis of silver nanoparticles (snps) performed by use of the gram positive soil streptomycetes. streptomycete...

The development of green approaches for the biosynthesis of silver nanoparticles (AgNPs) is of prime significance in the field of nanotechnology research. A fast and eco-friendly protocol for the biosynthesis of extracellular AgNPs using culture supernatant (CS) from the fungus Cunninghamella phaeospora was studied in this work. This CS was proved as a potential new source for the extracellular...

Journal: :current medical mycology 0
farhad niknejad infectious disease research science, golestan university of medical sciences, gorgan, iran mojtaba nabili student research committee, mazandaran university of medical sciences, sari, iran roshanak daie ghazvini department of medical parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran maryam moazeni invasive fungi research centre, department of medical mycology & parasitology, school of medicine, mazandaran university of medical sciences, sari, iran

background and purpose: microorganism-based synthesis of nanostructures has recently been noted as a green method for the sustainable development of nanotechnology. nowadays, there have been numerous studies on the emerging resistant pathogenic bacteria and fungal isolates, the probable inability of bacteria and fungi to develop resistance against silver nanoparticles’ (snps) antibacterial, ant...

Journal: :nanomedicine journal 0
iman rasaee department of biotechnology, imam khomeini international university, qazvin, iranسازمان اصلی تایید شده: دانشگاه بین المللی امام خمینی (imam khomeini international university) maryam ghannadnia department of biotechnology, imam khomeini international university, qazvin, iranسازمان اصلی تایید شده: دانشگاه بین المللی امام خمینی (imam khomeini international university) hosein honari center of biosciences research, imam hossein comprehensive university, tehran, iran

objective(s): chitosan nanoparticles (cnps) were prepared based on the ionic gelation of chitoan with anionic compounds of ocimum basilicum leaf extract. materials and methods: after addition of ocimum basilicum leaf extract to chitosan solution, the physicochemical properties of the nanoparticles were determined by field emission scanning electron microscope (fesem), fourier transform infrared...

Journal: :nanomedicine journal 0
meysam soltani nejad department of plant pathology, college of agriculture, shahid bahonar university of kerman, iranسازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university) gholam hosein shahidi bonjar department of plant pathology, college of agriculture, shahid bahonar university of kerman, iranسازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university) naimeh khaleghi department of biotechnology, college of energy engineering and new technologies, shahid beheshti university, tehran, iranسازمان اصلی تایید شده: دانشگاه شهید بهشتی (shahid beheshti university)

objective(s): in recent years, the biosynthesis of gold nanoparticles has been the focus of interest because of their emerging application in a number of areas such as biomedicine. in the present study we report the extracellular biosynthesis of gold nanoparticles (aunps) by using a positive bacterium named streptomyces fulvissimus isolate u from rice fields of guilan province, iran.materials a...

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