نتایج جستجو برای: silver particles

تعداد نتایج: 199833  

2010
IULIAN IONITA ANA MARIA DRAGNE CARMEN GAIDAU TEODORA DRAGOMIR

Silver ions are a strong antiseptic with a broad spectrum. Treatment of textiles and leather with nanosilver particles is a new idea for real clean wear. The nanometer-size particles have a large specific surface resulting in the release of silver ions in antiseptic concentration. One way to investigate nanosilver treated leather is the intrinsic fluorescence of organic material. This fluoresce...

2009
M. S. Ha O. Y. Kwon H. S. Choi

The improvement of electrical conductivity of carbon-fiber reinforced plastics (CFRP) has been investigated by conductive silver nano-particles coating for the purpose of aircraft lightning protection. Silver nano-particles in colloid were sprayed on the surface of carbon fibers, which were then impregnated by epoxy resin to form a CFRP specimen. Electrical resistance was measured by contact re...

E. Hamid Sales, F. Motamedi Sedeh, S. Rajabifar,

Background: Saffron, the dried stigmas of crocus sativus, is the world's most expensive spice which has been used as food additive and flavoring agent. The aim of the present study has been to investigate the combination effects of gamma irradiation and silver nano particles packing on the chemical properties of saffron during storage time. A combination of hurdles can ensure stability a...

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...

2007
S. J. Henley R. P. Silva

A solution based laser direct write technique for patterning of glass substrates with silver nanoparticles is presented. Photoreduction of an AgNO3 solution, by nanosecond UV laser pulses, produces a source solution of silver particles. A glass substrate is then inserted into this solution and the laser is scanned over its surface. Laser-induced fragmentation of the silver particles in the solu...

2013
Anh Thi Ngoc Dao Derrick M. Mott Koichi Higashimine Shinya Maenosono

Platinum coated by silver nanoparticles was synthesized, which displays a unique structure where polycrystalline platinum particles are completely encapsulated in continuous monocrystalline silver shells. These particles display accentuated electronic properties, where the silver shells gain electron density from the platinum cores, imparting enhanced properties such as oxidation resistance. Th...

2017

Nano particles have a wide range of applications such as electronics, catalysis, chemistry energy and medicine and have thus gained commercial acceptance [1]. Besides improving their functionality, the use of nano technology can result in the production of textiles with completely novel properties or the combination of various functions [2]. Such multifunctional textiles include antistatic text...

Journal: :The journal of physical chemistry. B 2006
Ales Panacek Libor Kvítek Robert Prucek Milan Kolar Renata Vecerova Nadezda Pizúrova Virender K Sharma Tat'jana Nevecna Radek Zboril

A one-step simple synthesis of silver colloid nanoparticles with controllable sizes is presented. In this synthesis, reduction of [Ag(NH(3))(2)](+) complex cation by four saccharides was performed. Four saccharides were used: two monosaccharides (glucose and galactose) and two disaccharides (maltose and lactose). The syntheses performed at various ammonia concentrations (0.005-0.20 mol L(-1)) a...

Disturbance in water relations is the major causes of vase life reduction and senescence in cut flowers This problem is mainly due to microorganism proliferation in the vase solution which leads to vascular occlusion and reduction in solution uptake by cut flowers. Therefore a comprehensive study was conducted to evaluate the biocidal effect of nano silver particles (NSP) and compare it with so...

2012
D. Mortazavi K. C. Vernon

Localized surface plasmon resonance (LSPR) biosensors are employed to detect target biomolecules which have particular resonance wavelengths. Accordingly, tunability of the LSPR wavelength is essential in designing LSPR devices. LSPR devices employing silver nano-particles present better efficiencies than those using other noble metals such as gold; however, silver nano-particles are easily oxi...

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