نتایج جستجو برای: nano tio2 and yeast extract

تعداد نتایج: 16887026  

Journal: :nanomedicine journal 0
mohammadreza foruzanmehr department of materials science and engineering, iran university of science and technology, narmak, tehran,iranسازمان اصلی تایید شده: دانشگاه علم و صنعت ایران (iran university of science and technology) seid mohammad hosainalipour department of materials science and engineering, iran university of science and technology, narmak, tehran,iranسازمان اصلی تایید شده: دانشگاه علم و صنعت ایران (iran university of science and technology) shamsoddin mirdamadi tehrani department of materials science and engineering, iran university of science and technology, narmak, tehran,iranسازمان اصلی تایید شده: دانشگاه علم و صنعت ایران (iran university of science and technology) mahnaz aghaeipour iranian blood transfusion research centre, tehran, iran

objective(s):  titanium oxides are known to be appropriate hemocompatible materials which are suggested as coatings for blood-contacting devices. little is known about the influence of nanometric crystal structure, layer thickness, and semiconducting characteristics of tio2 on blood hemostasis.   materials and methods: having used sol-gel dip coating method in this study, tio2 thin films were d...

2009
Haixia Li Hua Deng Jing Zhao

Nano-TiO2 sol and finishing agent was prepared by sol-gel method, during which tetrabutyl titanate was used as precursor and ethanol was used as solvent. The agent was penetrated into polyester fabric through a padding method, the anti-ultraviolet performance of the fabric was analyzed and the external morphology was carefully studied afterward. The results showed that indicated that the Nano-T...

اشرفی, داود, بذرافشان, ادریس, خوبی, مهدی, محوی, امیرحسین, ناصری, سیمین, نبی زاده, رامین, کمانی, حسین,

Background and purpose: Sonocatalytic process as an advanced oxidation process is considered for degradation of pollutants in aqueous solution. The aim of this study was to increase the removal of dye by doping of TiO2 with non-metal element such as nitrogen. Materials and methods: Un-doped and N-doped TiO2 nano-particles with different nitrogen contents were synthesized by a simple sol–gel me...

Journal: :علوم 0
محمداسماعیل عظیم عراقی m. e. azim araghi دانشگاه خوارزمی انسیه خلیلی درمنی ensieh khalili dermani دانشجو/دانشگاه خوارزمی

in this research work nano porous silicon layers with different porosity were prepared by using electrochemical etching. surface morphology and size of pores were investigated by scanning electron microscopy (sem).tio2 thin films with ebpvd method have been deposited on the surface of psi layers. the influence of anodization conditions such as anodization time interval and current density on el...

Journal: :Nanoscale 2014
Kasim Ocakoglu Khurram S Joya Ersan Harputlu Anna Tarnowska Daniel T Gryko

Self-assembled supramolecular organization of nano-structured biomimetic light-harvesting modules inside solid-state nano-templates can be exploited to develop excellent light-harvesting materials for artificial photosynthetic devices. We present here a hybrid light-harvesting system mimicking the chlorosomal structures of the natural photosynthetic system using synthetic zinc chlorin units (Zn...

Journal: :journal of chemical health risks 0
homa mahmoodzadeh reyhane aghili

the present study was aimed to investigate the effects of titanium dioxide nanoparticles (nano-tio 2 ) on wheat ( triticumaestivum l.) plants cv. parsi. the experimental treatments included seven concentrations of nano- tio 2 (10, 100, 1000, 1200, 1500 and 1700 ppm nano-tio 2 and control (without any tio 2 ). the results showed that among the wheat germination indices, germination rate and weig...

2010
JATINDER KUMAR

-The present work is focused on the heterogeneous photocatalytic degradation of Amaranth dye over immobilized nano-crystals of TiO2. Immobilization has been an acceptable approach to overcome the drawbacks encountered with powder suspensions. Immobilization is performed using polyvinyl alcohol-formaldehyde binder. This method of immobilization does not require thermal heating at high temperatur...

The current study investigates the dissipation kinetics of two imidacloprid (IMI) nanoformulations (entitled: Nano-IMI and Nano-IMI/TiO2) on common bean (Phaseolus vulgaris) seeds under field conditions and compares them with 35% Suspension Concentrate (SC) commercial formulation. To do so, it sprays P. vulgaris plants at 30 and 60 g/ha within green bean stage, sampling them during the 14-day p...

Journal: :international journal of environmental research 2011
z. clemente v.l. castro c.m. jonsson l.f. fraceto

the production and use of synthetic nanoparticles is growing rapidly, and therefore the presence of these materials in the environment seems inevitable. titanium dioxide (tio2) presents various possible uses in industry, cosmetics, and even in the treatment of contaminated environments. studies about the potential ecotoxicological risks of tio2 nanoparticles (nano-tio2) have been published but...

Journal: :international journal of environmental research 0
z. clemente department of biochemistry, institute of biology, state university of campinas – unicamp, rua monteiro lobato, 255, cep 13083-862 campinas, sp, brazil v.l. castro laboratory of ecotoxicology and biosafety, embrapa, rodovia sp340 km 127.5, c.p. 69, cep 13820-000 jaguariúna, sp, brazil c.m. jonsson laboratory of ecotoxicology and biosafety, embrapa, rodovia sp340 km 127.5, c.p. 69, cep 13820-000 jaguariúna, sp, brazil l.f. fraceto department of biochemistry, institute of biology, state university of campinas – unicamp, rua monteiro lobato, 255, cep 13083-862 campinas, sp, brazil

the production and use of synthetic nanoparticles is growing rapidly, and therefore the presence of these materials in the environment seems inevitable. titanium dioxide (tio2) presents various possible uses in industry, cosmetics, and even in the treatment of contaminated environments. studies about the potential ecotoxicological risks of tio2 nanoparticles (nano-tio2) have been published but ...

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