نتایج جستجو برای: fluorides nanocrystals

تعداد نتایج: 12604  

Journal: :Nanoscale 2015
Hailong Tang Yanjie He Bo Li Jaehan Jung Chuchu Zhang Xiaobo Liu Zhiqun Lin

Recent research has witnessed rapid advances in synthesis of nanocrystals, which has led to the development of a large variety of approaches for producing nanocrystals with controlled dimensions. However, most of these techniques lack the high-throughput production. Herein, we report on a viable and robust strategy based on an inert-gas-driven microflow reactor for continuous crafting of high-q...

2017
Karen Sharp

Paul Alivisatos Professor of Chemistry and Materials Science University of California, Berkeley There are numerous situations in which a light weight composite with high energy absorbing capabilities can be of use in the Air Force mission, for protection against impact of projectiles or laser beams. Advances in nanoscience have created a new opportunity to design such composites, as it is now p...

Journal: :The Yale Journal of Biology and Medicine 1971
J. L. Kelsey K. J. Keggi

Slipped epiphysis of the head of the femur is one of the common orthopedic disorders of adolescents, yet little is known of its etiology. Various factors have been suggested as the cause of slipped epiphysis, including abnormalities of the bone or cartilage in the head of the femur-'l such as those brought about by endocrine irregularities,8'7'9-'6ls9128l'9 ""-"1 trauma,5,t-* mechanical factors...

Journal: :Public Health Reports (1896-1970) 1954

Journal: :Journal of the American Chemical Society 2012
Tao Chen Ismail Öçsoy Quan Yuan Ruowen Wang Mingxu You Zilong Zhao Erqun Song Xiaobing Zhang Weihong Tan

High quality nanocrystals have demonstrated substantial potential for biomedical applications. However, being generally hydrophobic, their use has been greatly limited by complicated and inefficient surface engineering that often fails to yield biocompatible nanocrystals with minimal aggregation in biological fluids and active targeting toward specific biomolecules. Using chimeric DNA molecules...

2007
Weihua Guan Shibing Long Ming Liu Qi Liu Yuan Hu Zhigang Li Rui Jia

The charge retention characteristics of metal nanocrystal (MNC) and semiconductor nanocrystal (SNC) memory devices are comparatively studied in this paper. A charge retention model is proposed, taking into account the quantum confinement effect, to account for the better retention characteristics of metal nanocrystal memory observed in the experiment. Simulation results are in good agreement wi...

Nanocrystals of tadalafil, a poorly water-soluble drug, were successfully prepared by sonoprecipitation technique for improving the solubility and dissolution rate. Tween80 was selected as an efficient surfactant to inhibit aggregation in stabilization of drug nanocrystals. Response surface methodology based on central composite design (CCD) was utilized to evaluate the formulation factors affe...

Journal: :Chemical communications 2007
Masahiro Ueno Misato Yonemoto Masahiro Hashimoto Andrew E H Wheatley Hiroshi Naka Yoshinori Kondo

A novel type of deprotonative arylation of nucleophiles was conducted using Et(3)SiH/cat. t-Bu-P4 and the powerful S(N)Ar reactions of aryl fluorides were accomplished using alcohols and malonates as nucleophiles.

Journal: :American Journal of Public Health and the Nations Health 1933

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