نتایج جستجو برای: dynamic light scattering micro emulsion technique

تعداد نتایج: 1541635  

Journal: Nanomedicine Journal 2016
F. A Langroodi M. Alibolandi, M. Ebrahimian, M. Hashemi Z. Hafezi Ghahestani

Objective(s): The current study reports investigation of codelivery by PLGA nanoparticles (NPs) loaded with crocetin (Cro), a natural carotenoid dicarboxylic acid that is found in the crocus flower, and Doxorubicin (DOX). Materials and Methods: Double emulsion/solvent evaporation method was used for preparation of PLGA nanoparticles containing Dox and Cro. Characterizations of prepared NPs were...

Journal: :Soft matter 2016
Yi Liu Nathalie Claes Bastian Trepka Sara Bals Peter R Lang

In this article we report on the synthesis and characterization of a system of colloidal spheres suspended in an aqueous solvent which can be refractive index-matched, thus allowing for investigations of the particle near-wall dynamics by evanescent wave dynamic light scattering at concentrations up to the isotropic to ordered transition and beyond. The particles are synthesized by copolymeriza...

2018
Aslam Khan Tajdar Husain Khan Maqusood Ahamed Ahmed Mohamed El-Toni Ali Aldalbahi Javed Alam Tansir Ahamad

In this paper, we report an easy route for preparing new metal nanorod-polymer composites consisting of gold nanorods, Au NRs, and temperature responsive copolymer “microgel” particles. The microgel particles of ~200 nm in size, which contain carboxylic acid groups, were prepared by surfactant-free emulsion polymerization of a selected mixture made of N-isopropylacylamide and acrylic acid in th...

Journal: :Proceedings of the National Academy of Sciences 2003

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه پلیمر و پتروشیمی ایران - پژوهشکده فرایند 1393

در این پژوهش، به منظور بهینه سازی فرآیند انحلال غشاء پلیمری پرفلورینه ی کربوکسیلیکی به عنوان یکی از لایه های غشاء کامپوزیت کلر- آلکالی، با استفاده از مفاهیم انرژی آزاد گیبس، معادلات فلوری- هاگینز و پارامتر حلالیت، اثر مخلوط چندین حلال مختلف، دما، زمان، نسبت حل شونده به حلال و سطح ویژه ی غشاء، بر درصد حلالیت لایه ی پرفلوروکربوکسیلیکی گردید. برای اثبات و بررسی نتایج در این پژوهش از آزمون های lase...

2013
Xiaodong Wang Guangming Wu Bin Zhou Jun Shen

Titanium oxide coatings have been deposited by the sol-gel dip-coating method. Crystallization of titanium oxide coatings was then achieved through thermal annealing at temperatures above 400 °C. The structural properties and surface morphology of the crystallized coatings were studied by micro-Raman spectroscopy and atomic force microscopy, respectively. Characterization technique, based on le...

2015
Shintaro Kawano Toshiyuki Kida Mitsuru Akashi Hirofumi Sato Motohiro Shizuma Daisuke Ono

BACKGROUND Emulsions stabilized by colloidal particles are known as Pickering emulsions. To date, soft microgel particles as well as inorganic and organic particles have been utilized as Pickering emulsifiers. Although cyclodextrin (CD) works as an attractive emulsion stabilizer through the formation of a CD-oil complex at the oil-water interface, a high concentration of CD is normally required...

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