Exploration of the presence of bulk-like water in AOT reverse micelles and water-in-oil nanodroplets: the role of charged interfaces, confinement size and properties of water

2016 ◽  
Vol 18 (31) ◽  
pp. 21767-21779 ◽  
Author(s):  
Vrushali R. Hande ◽  
Suman Chakrabarty
Keyword(s):  
Reverse Micelles ◽  
Order Parameter ◽  
Aot Reverse Micelles ◽  
Dipolar Orientation

We show that the distance from the interface at which bulk-like properties are recovered strongly depends on the choice of order parameter being probed: translational < tetrahedral ≪ dipolar orientation.

scholarly journals Exploring the role of hydration and confinement in the aggregation of amyloidogenic peptides Aβ16−22 and Sup357−13 in AOT reverse micelles

2014 ◽  
Vol 141 (22) ◽  
pp. 22D530 ◽  
Author(s):  
Anna Victoria Martinez ◽  
Edyta Małolepsza ◽  
Eva Rivera ◽  
Qing Lu ◽  
John E. Straub
Keyword(s):  
Reverse Micelles ◽  
Aot Reverse Micelles ◽  
Amyloidogenic Peptides

C343 behavior in benzene/AOT reverse micelles. The role of the dye solubilization in the non-polar organic pseudophase

2012 ◽  
Vol 95 (2) ◽  
pp. 290-295 ◽  
Author(s):  
Jorge A. Gutierrez ◽  
R. Daro Falcone ◽  
Juana J. Silber ◽  
N. Mariano Correa
Keyword(s):  
Reverse Micelles ◽  
Aot Reverse Micelles ◽  
Dye Solubilization

scholarly journals Role of Charge and Solvation in the Structure and Dynamics of Alanine-Rich Peptide AKA2 in AOT Reverse Micelles

2014 ◽  
Vol 119 (29) ◽  
pp. 9084-9090 ◽  
Author(s):  
Anna Victoria Martinez ◽  
Edyta Małolepsza ◽  
Laura Domínguez ◽  
Qing Lu ◽  
John E. Straub
Keyword(s):  
Reverse Micelles ◽  
Structure And Dynamics ◽  
Aot Reverse Micelles

scholarly journals Triggering avalanches by transverse perturbations in a rotating drum

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Vicente Salinas ◽  
Cristóbal Quiñinao ◽  
Sebastián González ◽  
Gustavo Castillo
Keyword(s):  
Hopf Bifurcation ◽  
Theoretical Model ◽  
Order Parameter ◽  
Small Scale ◽  
Rotating Drum ◽  
Governing Parameter ◽  
Stick Slip ◽  
Slip Regime ◽  
Axis Of Rotation

AbstractWe study the role of small-scale perturbations in the onset of avalanches in a rotating drum in the stick-slip regime. By vibrating the system along the axis of rotation with an amplitude orders of magnitude smaller than the particles’ diameter, we found that the order parameter that properly describes the system is the kinetic energy. We also show that, for high enough frequencies, the onset of the avalanche is determined by the amplitude of the oscillation, contrary to previous studies that showed that either acceleration or velocity was the governing parameter. Finally, we present a theoretical model that explains the transition between the continuous and discrete avalanche regimes as a supercritical Hopf bifurcation.

scholarly journals Formose reaction accelerated in aerosol-OT reverse micelles

2016 ◽  
Vol 12 ◽  
pp. 2663-2667 ◽  
Author(s):  
Makoto Masaoka ◽  
Tomohiro Michitaka ◽  
Akihito Hashidzume
Keyword(s):  
Reverse Micelles ◽  
Water Layer ◽  
Major Product ◽  
Hexadecyltrimethylammonium Bromide ◽  
Interfacial Water ◽  
Formose Reaction ◽  
Aerosol Ot ◽  
Aot Reverse Micelles ◽  
Triton X ◽  
C Nmr

The formose reaction in reverse micelles of aerosol-OT (AOT), triton X-100 (TX), and hexadecyltrimethylammonium bromide (CTAB) was investigated. Time–conversion data have indicated that the interfacial water layer of AOT reverse micelles is a medium that accelerates formation of glycolaldehyde in the formose reaction. The 13C NMR spectra for the products of the formose reaction using formaldehyde-13C as starting material are indicative of the formation of ethylene glycol as a major product.

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