Conformations of Nonionic Surfactants in Solutions

نویسندگان

چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Toxicity of nonionic surfactants

Nonionic surfactants are amphilic chemicals that enhance desorption and bioavailability by increasing solubility and dispersion of poorly soluble hydrocarbons and oils. This study was conducted to determine the toxicity of commercial nonionic surfactants by using the Microtox Acute Toxicity test which is a rapid, simple test for toxicity. The test uses the luminescent bacterium V. fischeri as t...

متن کامل

Nonionic surfactants in paper electrophoresis.

i-i E1IE HAVE BEEN a number of reports iii the literature regarding the use of surface active agents in zone electrophoretic studies of 1)100(1 serum proteins and hpoprotems. Ardr (1) found that cationic detergents formed, with serum protenis, complexes that migrated like $-lipoproteins, while aiiionic detergents formed complexes that clectrophoretically resembled -1ipoproteins. More recently, ...

متن کامل

Micellar Solutions of Ionic Surfactants and Their Mixtures with Nonionic Surfactants: Theoretical Modeling vs. Experiment1

Here, we review two recent theoretical models in the field of ionic surfactant micelles and discuss the comparison of their predictions with experimental data. The first approach is based on the analysis of the stepwise thinning (stratification) of liquid films formed from micellar solutions. From the experimental step wise dependence of the film thickness on time, it is possible to determine t...

متن کامل

Monte Carlo Simulations of Model Nonionic Surfactants

The focus of this work is on aggregation and micellization in a lattice model for nonionic surfactants. Formation of micellar aggregates as a function of temperature and surfactant chemical potential was studied by histogram reweighting grand canonical Monte Carlo simulations. Two di erent sets of site-site interactions were utilized. The critical micellar concentration (CMC) was determined fro...

متن کامل

Effect of temperature on the aggregation behaviour of nonionic surfactants in aqueous solutions

2014 The effect of temperature on the aggregation behaviour of nonionic surfactants in aqueous solution has been investigated by means of transient fluorescence probing (intramicellar excimer formation by pyrene). For surfactants of the C12H25En type (E = ethyleneoxide group, n = 6, 8, 9) the number average aggregation number N of the micelle is nearly independent of the temperature T when T is...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Journal of Japan Oil Chemists' Society

سال: 1982

ISSN: 1884-2003

DOI: 10.5650/jos1956.31.800