نتایج جستجو برای: inverse micelle

تعداد نتایج: 94189  

Journal: :Journal of the agricultural chemical society of Japan 1967

Journal: :The Journal of chemical physics 2004
Pankaj A Apte Isamu Kusaka

We explore the free energetics of bubble nucleation in the micellar solution subjected to a negative pressure using a density functional model of a non-ionic surfactant solution. In this two-component model, the solvent is represented by a single hard-core sphere and the surfactant is represented by two tangent hard-core spheres connected by a rigid bond. The attractive interactions between the...

Journal: :Soft matter 2014
A Pan B Naskar G K S Prameela B V N Phani Kumar V K Aswal S C Bhattacharya A B Mandal S P Moulik

The detailed aggregation behavior of sodiumdodecyl sulfate (SDS) in tetrahydrofuran (Tf)-water (W) and formamide (Fa)-water (W) media at varied volume percent compositions has been investigated. Surface tension (ST), conductance (Cond), viscosity (Visc), isothermal titration calorimetry (ITC), nuclear magnetic resonance (NMR) and small angle neutron scattering (SANS) were used in this study. Th...

Journal: :Molecular simulation 2009
Abdallah Sayyed-Ahmad Himanshu Khandelia Yiannis N Kaznessis

We present relative binding free energy calculations for six antimicrobial peptide-micelle systems, three peptides interacting with two types of micelles. The peptides are the scorpion derived antimicrobial peptide (AMP), IsCT and two of its analogues. The micelles are dodecylphosphatidylcholine (DPC) and sodium dodecylsulphate (SDS) micelles. The interfacial electrostatic properties of DPC and...

Journal: :Biophysical journal 2004
Rosemary Braun Donald M Engelman Klaus Schulten

Insertion and formation of membrane proteins involves the interaction of protein helices with one another in lipid environments. Researchers have studied glycophorin A (GpA) transmembrane helices embedded in sodium dodecyl sulfate (SDS) micelles to identify contacts significant for helix dimerization. However, a detailed picture of the conformation and dynamics of the GpA-SDS system cannot be o...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2000
B Rózycka-Roszak R Zyłka J Sarapuk

The micellization process of dodecyltrimethylammonium chloride (DTAC) and bromide (DTAB) was studied. Nuclear magnetic resonance method was used. The 1H NMR and 13C NMR spectra were taken at higher and lower concentrations than the critical micelle concentrations (CMC) of the compounds studied. Chemical shifts were analysed. The studies performed were prompted by earlier calorimetric measuremen...

2017
Ijeoma F. Uchegbu

I.F. Uchegbu et al. (eds.), Fundamentals of Pharmaceutical Nanoscience, DOI 10.1007/978-1-4614-9164-4_2, © Springer Science+Business Media New York 2013 Abstract Low molecular weight amphiphile micelles are formed from the selfassembly of comparatively hydrophilic amphiphiles (molecular weight <1,500 Da). These structures may be spherical or present as nanofi bres in the case of peptide amphiph...

Journal: :Oncology reports 2011
Lan Zheng Maling Gou Shengtao Zhou Tao Yi Qian Zhong Zhengyu Li Xiang He Xiancheng Chen Lina Zhou Yuquan Wei Zhiyong Qian Xia Zhao

Doxorubicin (Dox) is one of the most commonly used and highly effective antineoplastic agents, but the clinical application of this broad spectrum drug is largely hampered by its poor stability and serious toxicity to normal tissues. Hence, it is essential to improve the therapeutic effect and decrease the systematic toxicity for the administration of doxorubicin. In our study, doxorubicin was ...

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