Synthesis and Characterization of Polyelectrolyte Grafted Charged Colloidal Particles

2006 ◽  
Author(s):  
Priti Sundar Mohanty
Keyword(s):  
Colloidal Particles ◽  
Synthesis And Characterization

White zein colloidal particles: synthesis and characterization of their optical properties on the single particle level and in concentrated suspensions

Soft Matter ◽  
2018 ◽  
Vol 14 (15) ◽  
pp. 2870-2878 ◽  
Author(s):  
F. Y. de Boer ◽  
R. N. U. Kok ◽  
A. Imhof ◽  
K. P. Velikov
Keyword(s):  
Optical Properties ◽  
Single Particle ◽  
Colloidal Particles ◽  
Plant Protein ◽  
Synthesis And Characterization ◽  
Concentrated Suspensions ◽  
Food And Beverages ◽  
Single Particle Level ◽  
Particle Level

Driven by the growing interest in using natural ingredients in food and beverages, novel plant protein-based particles are developed as all natural, edible white colorant and clouding agent.

Synthesis and characterization of novel core-shell colloidal particles ZnO/poly(ethylcyanoacrylate)

2009 ◽  
Vol 287 (6) ◽  
pp. 733-738 ◽  
Author(s):  
Georgi G. Yordanov ◽  
Nina V. Kaneva ◽  
Ceco D. Dushkin
Keyword(s):  
Colloidal Particles ◽  
Synthesis And Characterization ◽  
Core Shell

Synthesis and characterization of ZnS colloidal particles via γ-radiation

1999 ◽  
Vol 55 (3) ◽  
pp. 353-356 ◽  
Author(s):  
Yadong Yin ◽  
Xiangling Xu ◽  
Xuewu Ge ◽  
Yu Lu ◽  
Zhicheng Zhang
Keyword(s):  
Colloidal Particles ◽  
Synthesis And Characterization ◽  
Γ Radiation

scholarly journals HYDROSOL OF C70 FULLERENE: SYNTHESIS AND STABILITY IN ELECTROLYTIC SOLUTIONS

2021 ◽  
Vol 87 (10) ◽  
pp. 63-73
Author(s):  
Nikolay Mchedlov-Petrossyan ◽  
Mykyta Marfunin ◽  
Volodymyr Klochkov ◽  
Petro Radionov
Keyword(s):  
Cetyltrimethylammonium Bromide ◽  
Colloidal Particles ◽  
Electrokinetic Potential ◽  
Critical Concentration ◽  
The Other ◽  
Synthesis And Characterization ◽  
Nacl Concentration ◽  
Structural Contribution ◽  
Molecular Attraction

This article is devoted to the synthesis and characterization of the hydrosol of C70 of the son/nC70 type and to its coagulation by sodium chloride and cetyltrimethylammonium bromide (CTAB). At C70 concentration of 3.3×10–6 M, the electrokinetic potential is ζ= –40 ± 4 mV, the particle size expressed as Zeta-average is 97±3 nm; at higher C70 concentrations, 1.7×10–5 and 6.9×10–5 M, the size stays the same: 99 – 100 nm. The critical concentration of coagulation (CCC) values, were determined using the diameter increasing rate (DIR) on NaCl concentration. The CCCs are concentration-dependent: 250, 145, and 130 mM at C70 concentrations 3.3×10–6, 1.7×10–5, and 6.9×10–5 M, respectively. The CCC for the CTAB surfactant is much lower, about 5×10–3 mM. At 0.02 mM CTAB, however, the overcharging up to ζ = + 40 mV and stabilization of the colloidal particles take place. Interpretation of the hydrosol coagulation by NaCl using the Derjaguin–Landau–Verwey–Overbeek theory makes it possible to determine the Hamaker constant of the C70–C70 interaction in vacuum, if only electrostatic repulsion and molecular attraction are taking into account: AFF ≈ 7×10–20 J. On the other hand, if we use the value AFF = (16.0–16.6)×10–20 J, obtained earlier in the study of organosols, then the data for hydrosols can be explained only by the introduction of an additional type of interactions. Following the terms of Churaev and Derjaguin, one should take into account the structural contribution to the interaction energy, which stabilizes the hydrosol.

Synthesis and Characterization of Submicron-Sized and Monodisperse Liquid Crystal Capsules

2009 ◽  
Vol 1176 ◽  
Author(s):  
Yi-Chun Liu ◽  
Sheng-Wen Lin ◽  
Hui-Lung Kuo
Keyword(s):  
Thin Film ◽  
Liquid Crystal ◽  
Liquid Crystals ◽  
Colloidal Particles ◽  
Hollow Spheres ◽  
Spherical Shape ◽  
Synthesis And Characterization ◽  
Clear Peak ◽  
Dsc Thermograms

AbstractHere we developed a new method to prepare the liquid crystal particles by first synthesizing the monodisperse hollow inorganic spheres and then allowing the liquid crystals to infiltrate into the hollow spheres. The resulting liquid crystal colloidal particles have a diameter of 285nm with a low polydispersity of 0.03. DSC thermograms showed a clear peak at around 30 degree, indicating the isotropic-nematic transition of liquid crystals encapsulated in the silica shells. The inorganic shells can prevent liquid crystals inside from leaking out and also hold the spherical shape of colloidal particles after the evaporation of the dispersant. A thin film assembled by the liquid crystal colloidal particles was also prepared in this report.

Sign in / Sign up

Export Citation Format

Share Document