Enhancement of Ion Pairing of Sr(II) and Ba(II) Salts by a Tritopic Ion‐Pair Receptor in Solution
Sign Up to like & getrecommendations! Published in 2020 at "Chemphyschem"
DOI: 10.1002/cphc.202000507
Abstract: Abstract Tritopic ion‐pair receptors can bind bivalent salts in solution; yet, these salts have a tendency to form ion‐pairs even in the absence of receptors. The extent to which such receptors can enhance ion pairing… read more here.
Keywords: tritopic ion; ion; ion pairing; receptor ... See more keywords
Rapid and simultaneous determination of piperidinium and pyrrolidinium ionic liquid cations by ion pair chromatography coupled with direct conductivity detection
Sign Up to like & getrecommendations! Published in 2017 at "Chinese Chemical Letters"
DOI: 10.1016/j.cclet.2016.05.034
Abstract: Abstract A method of ion-pair chromatography with direct conductivity detection was developed on a silica-based monolithic column for the fast and simultaneous determination of piperidinium and pyrrolidinium ionic liquid cations. The effects of the mobile… read more here.
Keywords: piperidinium; ionic liquid; piperidinium pyrrolidinium; determination piperidinium ... See more keywords
Self-assembly prepared using an ion pair of poly(ethylene imine) and (phenylthio) acetic acid as a drug carrier for oxidation, temperature, and NIR-responsive release
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.128954
Abstract: Abstract Poly(ethylene imine)/(phenylthio) acetic acid (PEI/PTA) ion pair whose the molar ratio of amino to carboxyl group ratio was 3/7 exhibited its upper critical solution temperature (UCST) around body temperature (37 ℃) at pH 7.0.… read more here.
Keywords: oxidation; ion; temperature; release ... See more keywords
Antagonistic interaction of Pb2+- Al3+ ion pair with Sugar derived Carbon dots: Visual monitoring of Al 3+ ions
Sign Up to like & getrecommendations! Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2020.124632
Abstract: Abstract In the present study, Maillard reaction assisted route is followed to yield carbon dots from commercialy available table sugar.The system is characterized using High-resolution transmission electron microscopy (HR-TEM), X-ray Photo electron spectroscopy (XPS), X-ray… read more here.
Keywords: carbon; carbon dots; spectroscopy; sugar ... See more keywords
Ion pairing and preferential solvation of butylmethylimidazolium chloride ion pair in water-ethanol mixtures by using molecular dynamics simulations
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2019.02.010
Abstract: Abstract Constrained molecular dynamics simulations are used to compute the potentials of mean force (PMFs) of 1-butyl-3-methylimidazolium chloride (BMIM+−Cl−) ion pair in water-ethanol mixtures. From the PMFs of BMIM+−Cl− ion pair, we notice that, as… read more here.
Keywords: ethanol; water; ion; molecular dynamics ... See more keywords
Insight into the origin of catechol oxidase activity in a rare MnII/MnIII mixed valence ion pair complex: An account of comparative biomimetic catalytic study
Sign Up to like & getrecommendations! Published in 2017 at "Inorganica Chimica Acta"
DOI: 10.1016/j.ica.2017.01.024
Abstract: Abstract A mixed valence ion pair complex, [MnII(ntb)Cl][MnIII(Br4Cat)2(H2O)2]·4H2O (2) and a manganese(III) compound, (Et3NH)2[Mn(Br4Cat)2(H2O)2][Mn(Br4Cat)2(H2O)(pm)]·H2O (3), where ntb is tris(2-benzimidazolylmethyl)amine, Br4CatH2 is tetrabromocatechol and pm is pyrimidine, have been synthesized and the solid state structures were… read more here.
Keywords: ion pair; valence; catechol oxidase; mixed valence ... See more keywords
Reversed-phase ion-pair chromatography of hydroxyl functionalized imidazolium ionic liquid cations and its application in analysis of environmental water and measurement of hydrophobicity constants
Sign Up to like & getrecommendations! Published in 2019 at "Microchemical Journal"
DOI: 10.1016/j.microc.2018.11.058
Abstract: Abstract A reversed-phase ion-pair chromatography with ultraviolet detection method for the determination of 1‑hydroxyethyl‑3‑methyl imidazolium cation ([HOEtMIm]+) and 1‑hydroxypropyl‑3‑methyl imidazolium cation ([HOPrMIm]+) was developed. The method has been applied to the analysis of hydroxyl functionalized… read more here.
Keywords: ion pair; imidazolium ionic; imidazolium; reversed phase ... See more keywords
Oppositely charged dye surfactant interactions: Extent and selectivity of ion pair formation
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2018.06.108
Abstract: Abstract Interactions of oppositely charged dye (eosin yellow) and surfactant (Cetyltrimethylammonium bromide) were investigated using conductometric and spectrophotometric studies. The conductometric investigations showed a negligible change in critical micellar concentration of Cetyltrimethylammonium bromide at the… read more here.
Keywords: ion pair; ion; dye surfactant; formation ... See more keywords
Cooperative ion pair receptor based on tolan as a Li+/HSO4− selective extractor and fluorescent indicator
Sign Up to like & getrecommendations! Published in 2018 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2018.11.010
Abstract: Abstract A new tolan derivative was synthesized as a selective ion pair receptor for LiHSO4. The observed ion pair selectivity was accomplished by introducing aza-12-crown-4, which is size-selective for Li+. The ion pair receptor can… read more here.
Keywords: extractor fluorescent; ion pair; ion; pair receptor ... See more keywords
Ion-pair Ionization in CO2-fed Cesium Sputter Sources
Sign Up to like & getrecommendations! Published in 2019 at "Radiocarbon"
DOI: 10.1017/rdc.2019.118
Abstract: ABSTRACT A collision-radiation model of the solid sample cesium sputter ion source led to the rediscovery of anion production by ion-pair production. The model revealed physical processes that may produce high current outputs from such… read more here.
Keywords: ion pair; cesium sputter; pair ionization; ion ... See more keywords
Understanding the Nature of Crystallographic Bonds by Establishing the Correlation between Ion-Pair Chemistry and Their Separation in Detector Space
Sign Up to like & getrecommendations! Published in 2022 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927622000460
Abstract: Abstract The occurrence of multi-hit events and the separation distance between multi-hit ion pairs field evaporated from III-nitride semiconductors can potentially provide insights on neighboring chemistry, crystal structure, and field conditions. In this work, we… read more here.
Keywords: chemistry; ion pair; ion; pair separation ... See more keywords