نتایج جستجو برای: green synthesis of silver nanoparticles

تعداد نتایج: 21223070  

2015
Rouhollah Heydari Marzieh Rashidipour

A green synthetic approach by using oak fruit hull (Jaft) extract for preparation of silver nanoparticles (AgNPs) was developed and optimized. Parameters affecting the synthesis of AgNPs, such as temperature, extract pH, and concentration of extract (ratio of plant sample to extraction solvent), were investigated and optimized. Optimum conditions for the synthesis of silver nanoparticles are as...

Journal: :jundishapur journal of microbiology 0
mohsen adeli department of chemistry, faculty of science, lorestan university, khoramabad, ir iran hasan hosainzadegan maragheh faculty of nursing and midwifery, tabriz university of medical sciences, tabriz, ir iran; maragheh faculty of nursing & midwifery, tabriz university of medical sciences, tabriz, ir iran. tel: +98-9147667729, fax: +98-4212276363 iraj pakzad department of microbiology and clinical microbiology research center, faculty of medicine, ilam university of medical sciences, ilam, ir iran fatemeh zabihi department of chemistry, faculty of science, lorestan university, khoramabad, ir iran maedee alizadeh maragheh faculty of nursing and midwifery, tabriz university of medical sciences, tabriz, ir iran fattane karimi maragheh faculty of nursing and midwifery, tabriz university of medical sciences, tabriz, ir iran

background silver has been used from ancient times by humans, and recently nanoparticles of silver have been used in many aspects of human life including as a potent antibacterial agent. objectives in the current study a completely green method to prepare silver nanoparticles is reported. two types of starches (potato and corn starches) were used to produce and stabilize silver nanoparticles. a...

Journal: :International Journal of Research in Pharmaceutical Sciences 2018

Journal: Current Medical Mycology 2015

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) antibacte...

Journal: :IET nanobiotechnology 2011
Y Park Y N Hong A Weyers Y S Kim R J Linhardt

Currently, sustainability initiatives that use green chemistry to improve and/or protect our global environment are becoming focal issues in many fields of research. Instead of using toxic chemicals for the reduction and stabilisation of metallic nanoparticles, the use of various biological entities has received considerable attention in the field of nanobiotechnology. Among the many possible n...

اصلی, اسماعیل, برومند, محمد علی, سپهری سرشت, سعید, قاسمی, احمد, محتشمی, مهناز,

  Background : Silver nanoparticles have wide applications in medicine and treatment of bacterial infections due to their disinfection properties. Chemical synthesis, biosynthesis and antibacterial properties of silver nanoparticles have been studied previously, but regarding the high costs of chemical synthesis and the increase of antibiotic-resistance phenomenon among bacteria, assessment of ...

Journal: :iranian journal of pharmaceutical research 0
hassan korbekandi geneticsand molecular biology department, school of medicine, isfahan university of medical sciences, isfahan, 81744-176, ir iran. zeynab ashari geneticsand molecular biology department, school of medicine, isfahan university of medical sciences, isfahan, 81744-176, ir iran. siavash iravani biotechnology department, faculty of pharmacy and pharmaceutical sciences, isfahan university of medical sciences, isfahan, ir iran. sajjad abbasi faculty of pharmacy and pharmaceutical sciences, isfahan university of medical sciences, isfahan, ir iran.

silver nanoparticles are increasingly used in various fields of biotechnology and applications in the medicine. objectives of this study were optimization of production of silver nanoparticles using biotransformations by fusarium oxysporum, and a further study on the location of nanoparticles synthesis in this microorganism. the reaction mixture contained the following ingredients (final concen...

Developing reliable and eco-friendly processes for the synthesis of metallic nanoparticles is an essential step in the field of application of nanotechnology .Using natural factories such as biological systems is a way of developing such processes. Nowadays, the synthesis of silver nanoparticles is very common due to its numerous applications in different fields. The synthesis of these nanopart...

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