نتایج جستجو برای: capping agent

تعداد نتایج: 258723  

K. K. Chattopadhyay P. Datta P.K. Kalita Rh. Saikia,

CdSe nanostructures were synthesized by using green chemical route as starch was used as capping agent. XRD, HR-TEM, SEAD, UV and PL studies were made for structural and optical properties of the prepared sample. Film morphology and the thickness measurement of n-CdSe were carried out with AFM analysis. I-V characteristics curve of this junction confirmed the formation of Schottky contact betwe...

M. Ghiyasiyan-Arani M. Masjedi-Arani M. Salavati-Niasari,

Copper vanadate nanostructures were prepared via ex-situ precipitation approach in presence of Schiff-base ligand (N,N׳ -buthylenebis(acetylacetone iminato)dianion = acacbn) as a new capping agent. The effect of different Cu sources and pH on the size, morphology and size distribution of copper vanadate nanostructures was investigated. The as-prepared products were characterized using X-ray dif...

Journal: :Oriental journal of chemistry 2023

The Chenopodium album extracts served as a capping agent in the present work to synthesize Bi2O3 Nps. synthesized nanoparticles were confirmed by various spectroscopic techniques. Nano-structured was measured have mean size of 79.99nm. Anti-fungal activity Nps also evaluated. been shown impressive antifungal efficacy against variety fungal species. It's powerful anti-fungal medication that outp...

2017
Anushka Lalit Jalan Manjusha M. Warhadpande Darshan M. Dakshindas

CONTEXT Direct pulp capping involves the placement of a biocompatible agent on pulp tissue that has been inadvertently exposed from traumatic injury or by iatrogenic means. AIM To compare the human pulp response to calcium hydroxide and Biodentine as direct pulp-capping agents. MATERIALS AND METHODS Pulp exposures were performed on the pulpal floor of forty human permanent premolars. The ex...

K. K. Chattopadhyay P. Datta P.K. Kalita Rh. Saikia,

CdSe nanostructures were synthesized by using green chemical route as starch was used as capping agent. XRD, HR-TEM, SEAD, UV and PL studies were made for structural and optical properties of the prepared sample. Film morphology and the thickness measurement of n-CdSe were carried out with AFM analysis. I-V characteristics curve of this junction confirmed the formation of Schottky contact betwe...

In the present work, Bi2S3 nanostructures have been synthesized with the aid of thioglycollic acid (TGA) a solvent, capping agent, and sulfide source in the presence of ultrasonic method. The as-synthesized products were characterized by X-ray diffraction (XRD), Energy Dispersive X-ray spectroscopy (EDS), scanning electron microscope (SEM), and photoluminescence (PL) spectroscopy. The band gap ...

Journal: :Journal of the American Chemical Society 2005
Wenzhong Wang Bed Poudel Jian Yang D Z Wang Z F Ren

We report a high-yield synthesis of single-crystal hexagonal Sb2Te3 nanoplates using a solvothermal approach. The experimental results show that the concentration of capping agent CTAB played a key role in the formation of nanoplates. This new nanostructure may provide opportunity for the exploration of novel thermoelectric properties and have potential applications in thermoelectric nanodevices.

Journal: :Chemical communications 2005
Ryouta Tatumi Hisashi Fujihara

A new type of gold nanoparticle with a zwitterionic liquid function (zwitter-Au) has been prepared using an imidazolium sulfonate-terminated thiol as a capping agent. Zwitter-Au was found to be remarkably stable in high concentrations of aqueous electrolytes, ionic liquids, and protein.

A new approach for the synthesis of Prussian blue nanoparticles using the cationic surfactant Cetyl Pyridinium Chloride (CPC) as capping agent has been developed in the present work. Powder X-ray diffraction, transmission electron microscopy, UV–vis absorption spectra, and IR spectroscopy were employed to characterize the product. The TEM image showed that the Prussian blue nanoparticles with d...

2006
Saeed Asgary Masoud Parirokh Mohammad Jafar Eghbal Jamileh Ghoddusi

INTRODUCTION This investigation evaluates the effects of mineral trioxide aggregate (MTA), calcium hydroxide (CH) and calcium enriched mixture (CEM) as pulp capping materials on dental pulp tissues. MATERIALS AND METHODS The experimental procedures were performed on eighteen intact dog canine teeth. The pulps were exposed. Cavities were randomly filled with CEM, MTA, or CH followed by glass i...

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