نتایج جستجو برای: nano crystalline materials

تعداد نتایج: 510559  

2008
Zhong-chen Bai Xin

Shell-core structure of ZnSe nano crystalline cluster is used for marking glucose molecules in this paper. Fluorescent detection is successfully realized in microchannels. Mercaptoacetic acid is used for packing ZnSe nano crystalline cluster, which is dissolved in the water. Carboxyl of mercaptoacetic is used for connecting glucose molecule, and mixture solution of glucose molecule marked with ...

Journal: :Acta Crystallographica Section A Foundations and Advances 2017

2014
N. P. Gurao Satyam Suwas

Scaling behaviour has been observed at mesoscopic level irrespective of crystal structure, type of boundary and operative micro-mechanisms like slip and twinning. The presence of scaling at the meso-scale accompanied with that at the nano-scale clearly demonstrates the intrinsic spanning for different deformation processes and a true universal nature of scaling. The origin of a ½ power law in d...

Journal: :Molecular Crystals and Liquid Crystals 2023

This article refers to:Studies on Optical Characterization and Nano-Aggregation of Molecules in Ternary Mixture Liquid Crystalline Materials

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
h. shahoon dept. of oral & maxillofacial surgery, school of dentistry, shahed university, tehran, iran. m. niyakan dept. of microbiology, school of medicine, shahed university, tehran, iran. m. behnami school of dentistry, shahed university, tehran, iran. m. behnami s. shahbazi dept. of biomaterials, medical engineering faculty, amir kabir university, tehran, iran. r. toori dept. of biomaterials, medical engineering faculty, amir kabir university, tehran, iran.

objective: bioactive glass 45s5 is a surface reactive glass-ceramic biomaterial, developed in 1969. bag 45s5 with particle size of 20-60 nm has the ability of bone regeneration, broad spectrum antibacterial effect, repairs and replaces diseased or damaged bone. the aim of this study was to evaluate the antibacterial activity and determine mic and mbc values of nano-bag45s5 on streptococcus muta...

2012
L. S. Wang

Nanoparticles with sizes ranging between objects and microparticles (e.g. atom) have attracted much attention. These particles with various specialized functions not only deepen our understanding of nature, but also serve as the basis for the development of new advanced technology. The successful application of nanoparticles depends upon both the synthesis and the surface modification of these ...

2002
R. N. Panda J. C. Shih T. S. Chin

The magnetic properties of nano-crystalline CoMxFe2 xO4 (where M=Gd and Pr and x 1⁄4 0; 0.1 and 0.2) powders prepared by a citrate precursor technique have been studied by using vibrating sample magnetometer (VSM). The crystallite sizes of the materials were varied by altering the synthetic conditions and are within the range of a minimum of 6.8 nm and a maximum of 87.5 nm. The materials were c...

Journal: :Annali di stomatologia 2014
Erlind Pepla Lait Kostantinos Besharat Gaspare Palaia Gianluca Tenore Guido Migliau

This study aims to critically summarize the literature about nano-hydroxyapatite. The purpose of this work is to analyze the benefits of using nano-hydroxyapatite in dentistry, especially for its preventive, restorative and regenerative applications. We also provide an overview of new dental materials, still experimental, which contain the nano-hydroxyapatite in its nano-crystalline form. Hydro...

Journal: :Physical chemistry chemical physics : PCCP 2016
D Dedovets P Bauduin J Causse L Girard O Diat

Prussian blue analogs (PBAs) are materials well known for their bulk physical and (electro)-chemical properties, with an outstanding selectivity for caesium in ion exchange processes. Crystalline nano-tiles, made of copper based PBA, are produced and dispersed in water by tuning their electrostatic interactions. The shape and size of the nano-crystals are determined by combining scattering, mic...

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