TY  - JOUR
A1  - Vargas-Ruiz, Salome
A1  - Schulreich, Christoph
A1  - Kostevic, Angelika
A1  - Tiersch, Brigitte
A1  - Koetz, Joachim
A1  - Kakorin, Sergej
A1  - von Klitzing, Regine
A1  - Jung, Martin
A1  - Hellweg, Thomas
A1  - Wellert, Stefan
T1  - Extraction of model contaminants from solid surfaces by environmentally compatible microemulsions
JF  - Journal of colloid and interface science
N2  - In the present contribution, we evaluate the efficiency of eco-friendly microemulsions to decontaminate solid surfaces by monitoring the extraction of non-toxic simulants of sulfur mustard out of model surfaces. The extraction process of the non-toxic simulants has been monitored by means of spectroscopic and chromatographic techniques. The kinetics of the removal process was analyzed by different empirical models. Based on the analysis of the kinetics, we can assess the influence of the amounts of oil and water and the microemulsion structure on the extraction process. (C) 2016 Elsevier Inc. All rights reserved.
KW  - Microemulsions
KW  - Decontamination
KW  - Surface removal
KW  - Kinetic analysis
KW  - Extraction
Y1  - 2016
U6  - https://doi.org/10.1016/j.jcis.2016.03.006
SN  - 0021-9797
SN  - 1095-7103
VL  - 471
SP  - 118
EP  - 126
PB  - Elsevier
CY  - San Diego
ER  - 
TY  - JOUR
A1  - Poghosyan, Armen H.
A1  - Arsenyan, Levon H.
A1  - Shahinyan, Aram A.
A1  - Koetz, Joachim
T1  - Polyethyleneimine loaded inverse SDS micelle in pentanol/toluene media
JF  - Colloids and surfaces : an international journal devoted to the principles and applications of colloid and interface science ; A, Physicochemical and engineering aspects
N2  - An atomic scale molecular dynamics simulation (100 ns) was carried out to reveal the conformational features of a cationic polyelectrolyte, i.e., hyperbranched polyethyleneimine (PEI), inside of water-in-oil microemulsion droplets stabilized by the anionic sodium dodecyl sulfate surfactant (SDS) layer. Simulations show that the polymer reorients very quickly and is localized at the headgroup region, i.e., the polymer nitrogens are close to SDS sulfur atoms. In spite of the availability of surface roughness caused by the polymer, we track a stable inverse micelle during the production run. In overall, the obtained parameters are well compared with experimental findings. (C) 2016 Elsevier B.V. All rights reserved.
KW  - SDS inverse micelle
KW  - Polyethyleneimine
KW  - Molecular dynamics simulations
KW  - Microemulsions
Y1  - 2016
U6  - https://doi.org/10.1016/j.colsurfa.2016.07.018
SN  - 0927-7757
SN  - 1873-4359
VL  - 506
SP  - 402
EP  - 408
PB  - Elsevier
CY  - Amsterdam
ER  -