نتایج جستجو برای: green capping agent

تعداد نتایج: 395248  

Journal: :Bioresources and Bioprocessing 2021

Abstract Background Studies of plant extract-mediated synthesis nanoparticles is extensively explored and studied in recent time due to eco-friendly, cost-effectiveness minimal use toxic chemicals for synthesis. In this study, the Ag–TiO 2 nanocomposites (NCs) was carried out using Origanum majorana leaf extract under ultrasound irradiation. plays an important role as reducing capping agent (NC...

Journal: :international journal of nanoscience and nanotechnology 2007
sh. jamali e. saievar-iranizad s. farjami shayesteh

cadmium sulfide nanoparticles were grown using wet chemical method by dissolving the reactants ofcadmium acetate and sodium sulfide in the presence of thioglycerol (tg) as capping agent in ethanolsolvent. different nanoparticle sizes and size distribution were obtained through varying the molaritiesof thioglycerol. at higher tg concentration, synthesis provides a nearly monodisperse nanoparticl...

Journal: :Coatings 2023

This study explored a new green approach of the wet ferritization method to obtain magnetic cobalt ferrite (CoFe2O4) by using eucalyptus leaves aqueous extract as reducing/chelating/capping agent. The spinel single cubic phases prepared samples were proved powder X-ray diffraction (XRD), Fourier-Transform Infrared (FTIR) and Raman spectroscopy. average crystallite size is in range between 3 20 ...

2015
Asmaa A Ashour Dina Raafat Hanan M El-Gowelli Amal H El-Kamel

BACKGROUND The growing threat of microbial resistance against traditional antibiotics has prompted the development of several antimicrobial nanoparticles (NPs), including silver NPs (AgNPs). In this article, a simple and eco-friendly method for the synthesis of AgNPs using the cranberry powder aqueous extract is reported. MATERIALS AND METHODS Cranberry powder aqueous extracts (0.2%, 0.5%, an...

Journal: :Jurnal Kejuruteraan 2022

Nanoparticles have a size of 1nm-100nm in any one the three dimensions. Smaller nanoparticles different physical, chemical and biological properties than atoms molecules. Metals, non-oxide ceramic materials, metal oxides, silicates, polymers, organic biomolecular components can be used to create material nanoparticles. come various shapes, like spheres, platelets, cylinders, tubes. Green synthe...

Journal: :dental research journal 0
a. eskandarizadeh m. parirokh b. eslami s. asgary m. j. eghbal

introduction this study was carried out in order to compare mineral trioxide aggregate (mta) and dycal in dog’s teeth as pulp capping agents. methods after general and local anesthesia forty-two teeth of three dogs were used. in each tooth a class v cavity was prepared and the pulp was exposed using no.1 round bur. then the exposed area was capped using either mta or calcium hydroxide and the r...

Journal: :ACS nano 2010
Yanyun Ma Weiyang Li Eun Chul Cho Zhiyuan Li Taekyung Yu Jie Zeng Zhaoxiong Xie Younan Xia

This paper describes a facile method for generating Au@Ag core-shell nanocubes with edge lengths controllable in the range of 13.4-50 nm. The synthesis involved the use of single-crystal, spherical Au nanocrystals of 11 nm in size as the seeds in an aqueous system, with ascorbic acid serving as the reductant and cetyltrimethylammonium chloride (CTAC) as the capping agent. The thickness of the A...

A. Dinesh Karthik K. Geetha,

A simple method has been employed to synthesize Copper and Copper oxide nanoparticles from Copper (II) succinate precursor by thermal decomposition method using oleylamine as a capping agent. The particles synthesized with oleylamine and triphenylphosphine were well dispersed nanoparticles obtained from X-ray Diffraction (XRD). The Synthesized copper nanoparticles were characterized by UV-Visib...

E. Saievar-Iranizad S. Farjami Shayesteh Sh. Jamali

Cadmium sulfide nanoparticles were grown using wet chemical method by dissolving the reactants of cadmium acetate and sodium sulfide in the presence of thioglycerol (TG) as capping agent in ethanol solvent. Different nanoparticle sizes and size distribution were obtained through varying the molarities of thioglycerol. At higher TG concentration, synthesis provides a nearly monodisperse nanopart...

A. Dinesh Karthik K. Geetha,

A simple method has been employed to synthesize Copper and Copper oxide nanoparticles from Copper (II) succinate precursor by thermal decomposition method using oleylamine as a capping agent. The particles synthesized with oleylamine and triphenylphosphine were well dispersed nanoparticles obtained from X-ray Diffraction (XRD). The Synthesized copper nanoparticles were characterized by UV-Visib...

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