نتایج جستجو برای: silver nano particles

تعداد نتایج: 243433  

Journal: :journal of physical & theoretical chemistry 2010
s. sedaghat m haji ahmad hashemi m. yari a. nouri

polyaniline and polyamide (nylon 6,6) nanocomposites with silva were prepared by in-situ oxidativepolymerization of aniline monomers in the presence of ag salt nano particles of silver (nps) were symthesieedby controlled reduction of ag+ ions kith sodium borohydride at room temperature. nylon 6,6 wax loaded withag nanoparfieles by erdrapment of ag+ ions into the polymer network, followed by red...

2016
Ponnusamy Manogaran Gopinath Anandan Ranjani Dharumadurai Dhanasekaran Nooruddin Thajuddin Govindaraju Archunan Mohammad Abdulkader Akbarsha Balázs Gulyás Parasuraman Padmanabhan

The present study was aimed at evaluating the fluorescence property, sporicidal potency against Bacillus and Clostridium endospores, and surface disinfecting ability of biogenic nano silver. The nano silver was synthesized using an actinobacterial cell-filtrate. The fluorescence property as well as imaging facilitator potency of this nano silver was verified adopting spectrofluorometer along wi...

2015
Alireza Mozaffari Dehshiri Maryam Hamzelou Moghaddam Farzaneh Naghibi Soheila Honary Mahmoud Mosaddegh

Tumor growth is characterized by uncontrolled cell division. For centuries, silver kushta powder, composed of nano and submicro silver particles, has been used in traditional Iranian and Pakistani medicine for the treatment of melanoma and breast cancer. We have found that these nanocomposite particles are similar to silver nanoparticles (AgNps) in size and shape and that there are so differenc...

Journal: :علوم باغبانی 0
امیرغفار شهریاری عبدالرضا باقری احمد شریفی نسرین مشتاقی

abstract alstroemeria is one of the most important cut flowers in the world which is multiplicated by rhizome explants in in vitro conditions . the major problem in using rhizome explants is fungal and bacterial contamination which inhibit the preparation of strill explants. therefor in this experiment, the effect of disinfecting compounds like sodium hypochlorite, mercury chloride, nano silver...

Journal: :International Journal of Plant and Soil Science 2023

An experiment was conducted in CRD, which two factors were evaluated viz., different wrapping materials and levels of Silver Nano Particles taken to observe the effect shelf life cut rose. Different SNP at 10,20,30, 40 ppm along with such as- Butter paper, LDPE, aluminium foil newspaper as control used refrigerated condition. Present study concluded that roses had longest 30 NS (Nano Silver) BC...

2017
Hamidreza Tavakoli Hossein Rastegar Mahdi Taherian Mohammad Samadi Hossein Rostami

Nano packaging is currently one of the most important topics in food packaging technologies. The aim of the application of this technology in food packaging is increasing shelf life of foods by preventing internal and external corruption and microbial contaminations. Use of silver nanoparticles in food packaging has recently attracted much attention. The aim of this study was to investigate the...

ژورنال: بوم شناسی آبزیان 2016

Effects of different concentrations of silver nanoparticles and silver nitrate on some hematological indices of Zayanderud Chub (Petroleuciscus esfahani) were investigated. One hundred individuals of the fish (average weight 26.4 ± 1.3 g) were divided into 5 experimental groups, exposed to 1 or 25 µg/L of silver nano or silver nitrate or unpolluted water as control for 10 days. At the end, prim...

M. Kargar Razi, M. Mohammadi R. Sarraf Mamoory S. Azadi

According to the unique properties and many applications of nano silver powder, it was prepared from acid leaching tail solution. The low value residual gold and silver ions were occurred with fellow heavy metals as pollutants (Fe2+, Cu 2+ and Zn2+) in acid leaching tail solution in Mouteh gold mine in Iran. Preparation of nano silver particles was achieved in two steps: first, by addition of a...

M. Kargar Razi, M. Mohammadi R. Sarraf Mamoory S. Azadi

According to the unique properties and many applications of nano silver powder, it was prepared from acid leaching tail solution. The low value residual gold and silver ions were occurred with fellow heavy metals as pollutants (Fe2+, Cu 2+ and Zn2+) in acid leaching tail solution in Mouteh gold mine in Iran. Preparation of nano silver particles was achieved in two steps: first, by addition of a...

Journal: :journal of chemical health risks 0
bagher seyedalipour department of cellular and molecular biology, faculty of basic sciences, university of mazandaran, babolsar, iran ameneh arefifar department of developmental biology, islamic azad university, qaemshahr branch, qaemshahr, iran ramezan khanbabaee department of cellular and molecular biology, islamic azad university, qaemshahr branch, qaemshahr,iran masumeh oshrieh department of developmental biology, islamic azad university, qaemshahr branch, qaemshahr, iran

the rapid advancement of nanotechnology enables us to use nanoscale particles. this material in terms of physical, chemical and biological characteristics are unique compared to larger particles. increased cell division, apoptosis, oxidative stress has been associated with toxic effects of nano-silver. the aim of this study was to evaluate histipotological changes and enzyme activity in nanopar...

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