نتایج جستجو برای: mixed micellar liquid chromatography mmlc

تعداد نتایج: 488731  

Journal: :Molecules 2012
Ermelinda Bloise Luigi Carbone Giuseppe Colafemmina Lucia D'Accolti Selma Elaine Mazzetto Giuseppe Vasapollo Giuseppe Mele

Cardanol is a natural and renewable organic raw material obtained as the major chemical component by vacuum distillation of cashew nut shell liquid. In this work a new sustainable procedure for producing cardanol-based micellar nanodispersions having an embedded lipophilic porphyrin itself peripherally functionalized with cardanol substituents (porphyrin-cardanol hybrid) has been described for ...

2009
Rade Injac Nina Kočevar Borut Štrukelj

Antibiotics as additives in animal feedstuffs are forbidden in many countries in the world, but they are still abused. A micellar electrokinetic capillary chromatography method was performed at 25 C and 30 kV (under pressure 15 mbar) using 25 mmol dm phosphate buffer (pH = 8.0) containing 70 mmol dm sodium dodecysulfate (SDS) and 10 % (volume fraction) methanol as the background electrolyte fo...

Journal: :Journal of chromatography. A 2006
José F Huertas-Pérez Monsalud del Olmo Iruela Ana M García-Campaña Antonio González-Casado Antonio Sánchez-Navarro

In this paper, a multiresidue method for the analysis in soils of metribuzin (M) and its major conversion products, deaminometribuzin (DA), diketometribuzin (DK) and deaminodiketometribuzin (DADK) is developed. Considering the neutral and charged nature of the molecules, micellar electrokinetic chromatography (MEKC) is a very efficient method for the separation of these compounds, providing hig...

Journal: :Journal of Molecular Liquids 2022

Mixtures of chiral and achiral building blocks supramolecules exhibit interesting cooperative properties, as indicated by the nonlinear relationship between properties mole fraction blocks. However, composition dependence recognition capability spherical mixed micelles is poorly understood. This study hypothesized that phenomenon could be described regular solution theory reported to able descr...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2013
Toshio Takayanagi Masaki Morimoto Tomoki Yabutani

Graphene and chemically modified graphenes were resolved by micellar electrokinetic chromatography (MEKC) using sodium dodecylbenzenesulfonate (SDBS) as a micelle matrix. Graphene was successfully dispersed in a micellar solution, and a consecutive and broad signal was obtained by the MEKC with a 20 mmol dm⁻³ aqueous SDBS solution for Graphene Nanoplatelets. Chemically oxidized graphene was les...

2013
Reza Hosseinzadeh Khatereh Khorsandi Syavash Hemmaty

Micelle/water mixed solutions of different surface active agents were studied for their effectiveness in the extraction of polyphenolic compounds from various varieties of apples from west Azerbaijan province in Iran. The total content of polyphenolic compound in fruit extracts were determined using ferrous tartrate and Folin-Ciocalteu assays methods and chromatographic methods and compared wit...

Journal: :Biomedical chromatography : BMC 2016
Laura J Waters Dina S Shokry Gareth M B Parkes

Understanding intestinal absorption for pharmaceutical compounds is vital to estimate the bioavailability and therefore the in vivo potential of a drug. This study considers the application of micellar liquid chromatography (MLC) to predict passive intestinal absorption with a selection of model compounds. MLC is already known to aid prediction of absorption using simple surfactant systems; how...

2005
M. J. Ruiz

Address correspondence to S. Carda Broch. endroflumethiazide (BMFT [RS]-3-phenylmethyl-3,4-dihydro-6-trif luoromethyl-2H1,2,4-benzothiadiazine-7-sulfonamide-1,1dioxide) is a potent diuretic drug extensively used for the treatment of hypertension and oedema that belongs to the thiazide family (1). BMFT is well absorbed from the gastrointestinal tract after oral administration and the absorption ...

Journal: :American journal of physiology. Gastrointestinal and liver physiology 2002
Markku Nissinen Helena Gylling Matti Vuoristo Tatu A Miettinen

Properties of the intestinal digestion of the dietary phytosterols, cholesterol and cholestanol, and the mechanisms by which phytosterols inhibit the intestinal absorption of cholesterol in healthy human subjects are poorly known. We have studied the hydrolysis of dietary plant sterol and stanol esters and their subsequent micellar solubilization by determining their concentrations in micellar ...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 1994
seyed abbas shojaosadaty andy lyddiatt

the efficacy of activation methods and coupling were studied in the context of performance in batch and fixed bed binding experiments utilizing cell culture fluids or blood plasma as feedstock. conclusions were drawn regarding selection of solid phase according to pore size, rigidity, ph stability, chemistry of derivation and activation, and gross concentration of immobilized ligand required fo...

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