Amphiphile Organization in Organic Solutions: An Alternative Explanation for Small-Angle X-ray Scattering Features in Malonamide/Alkane Mixtures.

The Journal of Physical Chemistry. B
Michael J ServisAurora E Clark

Abstract

The role of different intermolecular interactions in the aggregation of amphiphiles in an organic solvent is studied for systems of relevance to liquid-liquid extraction (LLE), a chemical process used to selectively recover metals from complex mixtures. Of specific interest is the role, or lack thereof, of hydrogen bonding, which is often assumed to be a main driver of the organic phase structural organization that has been linked to separation efficacy. Toward that end, a series of malonamide extractants in n-dodecane have been studied in the absence of any extracted aqueous solutes, including water. The series of extractants includes N,N'-dimethyl-N,N'-dibutyltetradecylmalonamide (DMDBTDMA), two of its homologs, and N,N'-dimethyl-N,N'-dioctylhexylethoxymalonamide (DMDOHEMA). This simplified model LLE system enables systematic investigation of the role of dipole-dipole and alkyl tail steric interactions in amphiphile aggregation. Small-angle X-ray scattering (SAXS) profiles computed from molecular dynamics trajectories are in good agreement with experimental SAXS data. Molecular dynamics simulations show that malonamide aggregation results from dipole-driven self-association and lacks characteristic aggregate sizes. Mid-q corr...Continue Reading

References

Mar 1, 1985·Physical Review A: General Physics·W G Hoover
Oct 24, 2002·Journal of Computational Chemistry·Araz JakalianChristopher I Bayly
Apr 30, 2004·Journal of Computational Chemistry·Junmei WangDavid A Case
Sep 20, 2007·Physical Chemistry Chemical Physics : PCCP·Hélène Dozol, Claude Berthon
Feb 21, 2009·Journal of Computational Chemistry·L MartínezJ M Martínez
Jan 5, 2012·The Journal of Physical Chemistry. B·Ryuhei MotokawaTsuyoshi Yaita
Jan 18, 2012·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Philippe Guilbaud, Thomas Zemb
Jul 12, 2012·The Journal of Chemical Physics·Bernarda Kežić, Aurélien Perera
Oct 9, 2012·The Journal of Chemical Physics·Bernarda Kežić, Aurélien Perera
Dec 18, 2013·The Journal of Physical Chemistry. B·Ross J Ellis
Mar 14, 2014·Physical Chemistry Chemical Physics : PCCP·Christophe DéjugnatThomas Zemb
Jan 1, 2013·Faraday Discussions·Aurélien Pereraa, Bernarda Kezić
Jan 8, 2015·The Journal of Physical Chemistry. B·Quynh N VoHung D Nguyen
May 6, 2015·Langmuir : the ACS Journal of Surfaces and Colloids·Atefeh Khoshnood, Abbas Firoozabadi
Feb 18, 2016·The Journal of Physical Chemistry. B·Michael J ServisJenifer C Braley
Feb 20, 2016·The Journal of Physical Chemistry. B·Wolffram SchroerOlga Russina
Feb 27, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Boris Lukanov, Abbas Firoozabadi
Apr 12, 2016·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Rémi PoirotDaniel Meyer
May 20, 2016·Chemical Reviews·Katrin Amann-WinkelLawrie Skinner
Aug 16, 2016·Physical Chemistry Chemical Physics : PCCP·Martina PožarAurélien Perera
Feb 25, 2017·The Journal of Physical Chemistry Letters·Olga RussinaAlessandro Triolo
Apr 19, 2017·Physical Chemistry Chemical Physics : PCCP·Michael J ServisJenifer C Braley
Oct 14, 2017·Physical Chemistry Chemical Physics : PCCP·Aurélien Perera
Apr 28, 2018·Physical Chemistry Chemical Physics : PCCP·Baofu QiaoRoss J Ellis
Aug 8, 2018·Langmuir : the ACS Journal of Surfaces and Colloids·Mario ŠpadinaJean-François Dufrêche
Jan 24, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Mario ŠpadinaJean-François Dufrêche
Jan 29, 2019·The Journal of Physical Chemistry. B·Ryo UranoJohn E Straub
Jan 30, 2019·ACS Central Science·Ryuhei MotokawaMichihiro Nagao
Apr 18, 2019·Physical Chemistry Chemical Physics : PCCP·László AlmásyAurélien Perera
Nov 12, 2019·ACS Nano·Mario ŠpadinaJean-François Dufrêche
Feb 23, 2020·The Journal of Physical Chemistry Letters·Weththasinghage D AmithClaudio J Margulis
May 12, 2020·Journal of the American Chemical Society·Zhengyuan ShenJ Ilja Siepmann

❮ Previous
Next ❯

Citations

Apr 15, 2021·ACS Applied Materials & Interfaces·Srikanth NayakAhmet Uysal
Apr 21, 2021·Physical Chemistry Chemical Physics : PCCP·Michael J ServisL Soderholm
Jun 16, 2021·The Journal of Physical Chemistry. B·Michael J ServisL Soderholm
Jun 18, 2021·The Journal of Physical Chemistry Letters·Michael J Servis, G B Stephenson
Jul 13, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Mario ŠpadinaThomas Zemb

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.

Related Papers

Clinica Chimica Acta; International Journal of Clinical Chemistry
J C Hafkenscheid, A P Jansen
The Journal of Physical Chemistry. B
Marin VatinJean-François Dufrêche
Journal of the American Pharmaceutical Association
K J LISKA, A P SHROFF
Bioorganic & Medicinal Chemistry Letters
Guo-Hua ChuRoland E Dolle
© 2021 Meta ULC. All rights reserved