نتایج جستجو برای: micellar media

تعداد نتایج: 284297  

Journal: :International Journal for Research in Applied Science and Engineering Technology 2018

2014
Sunil Kumar Jangir Seema Acharya

Micellar solubilization is a powerful alternative for dissolving hydrophobic compounds in aqueous environment. Fluorescence and absorption spectroscopy are the two techniques used to monitor the micellar solubilization studies of 1,10-phenanthroline. 1,10-Phenanthroline is a heterocyclic organic compounds. It is a bidantate ligand and is commonly used as a chelating agent for metal ions. It's c...

Journal: :Pharmaceutical Analytical Chemistry: Open Access 2017

Ali Benvidi Elham Heidarizadi Reza Tabaraki,

H-Point Standard Addition Method (HPSAM) was applied for the simultaneous determination of V(V) and Fe(III). The method is based on the complex formation of V(V) and Fe(III) with chromazurol S (CAS) in acidic media and in the presence of cetyltrimethylammonium bromide (CTAB) as a micellizing agent. Acidic media and the presence of a micellar system improve selectivity and sensitivity. Fe (I...

2017
Resham J Banga Brian Meckes Suguna P Narayan Anthony J Sprangers SonBinh T Nguyen Chad A Mirkin

A one-pot synthesis of micellar spherical nucleic acid (SNA) nanostructures using Pluronic F127 as a thermoresponsive template is reported. These novel constructs are synthesized in a chemically straightforward process that involves intercalation of the lipid tails of DNA amphiphiles (CpG motifs for TLR-9 stimulation) into the hydrophobic regions of Pluronic F127 micelles, followed by chemical ...

Journal: :Molecules 2010
Hidehiko Hirakawa Noriho Kamiya Yutaka Kawarabayasi Teruyuki Nagamune

Cytochrome P450s are heme-containing monooxygenases that require electron transfer proteins for their catalytic activities. They prefer hydrophobic compounds as substrates and it is, therefore, desirable to perform their reactions in non-aqueous media. Reversed micelles can stably encapsulate proteins in nano-scaled water pools in organic solvents. However, in the reversed micellar system, when...

Journal: :Journal of AOAC International 1999
L Alvarez-Rodriguez J Esteve-Romero I Escrig-Tena M C Garcia Alvarez-Coque

A flow-injection (FI) spectrophotometric system is proposed for the determination of phenols and carbamates. In the FI manifolds, the solutions of phenols or carbamates (the latter after hydrolysis with NaOH) were injected into a diazonium ion carrier stream at pH 9.5 (buffered with tetrahydroborate), which was formed by mixing 2,4,6-trimethylaniline (TMA) with nitrate in a sodium dodecyl sulfa...

Journal: :The journal of physical chemistry. B 2008
I Pasichnyk R Everaers A C Maggs

In systems composed of water and hydrocarbons, Van der Waals interactions are dominated by the nonretarded, classical (Keesom) part of the Lifshitz interaction; the interaction is screened by salt and extends over mesoscopic distances of the order of the size of the (micellar) constituents of complex fluids. We show that these interactions are included intrinsically in a recently introduced loc...

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