A new cucurbit[6]uril-based ion-selective electrode for acetylcholine with high selectivity over choline and related quaternary ammonium ions

2012 ◽  
Vol 24 (7) ◽  
pp. 487-491 ◽  
Author(s):  
Hyejung Kim ◽  
Jinho Oh ◽  
Woo Sung Jeon ◽  
Narayanan Selvapalam ◽  
Ilha Hwang ◽  
...  
Keyword(s):  
Quaternary Ammonium ◽  
High Selectivity ◽  
Ion Selective Electrode ◽  
Ammonium Ions ◽  
Selective Electrode ◽  
Quaternary Ammonium Ions

Selective recognition of quaternary ammonium ions and zwitterions by using a biomimetic bis-calix[6]arene-based receptor

2017 ◽  
Vol 15 (42) ◽  
pp. 8967-8974 ◽  
Author(s):  
Steven Moerkerke ◽  
Volodymyr Malytskyi ◽  
Lionel Marcélis ◽  
Johan Wouters ◽  
Ivan Jabin
Keyword(s):  
Quaternary Ammonium ◽  
High Selectivity ◽  
Selective Recognition ◽  
Ammonium Ions ◽  
Quaternary Ammonium Ions

A biomimetic bis-calix[6]arene binds cationic and zwitterionic species with a high selectivity for carbamylcholine.

scholarly journals Extraction of SO3H-containing iron (III) complexes with quaternary ammonium ions

1968 ◽  
Vol 17 (5) ◽  
pp. 616-621 ◽  
Author(s):  
Hitoshi KOHARA ◽  
Nobuhiko ISHIBASHI ◽  
Akira YOSHIDA
Keyword(s):  
Quaternary Ammonium ◽  
Ammonium Ions ◽  
Quaternary Ammonium Ions

Pseudopodium Induction by the Action of Quaternary Ammonium Ions on Amoeba Proteus

1969 ◽  
Vol 4 (1) ◽  
pp. 17-24
Author(s):  
J. E. BREWER ◽  
L. G. E. BELL
Keyword(s):  
Cell Membrane ◽  
Cell Surface ◽  
Quaternary Ammonium ◽  
Amoeba Proteus ◽  
Carboxyl Groups ◽  
Ammonium Ions ◽  
Quaternary Nitrogen ◽  
Quaternary Ammonium Ions ◽  
Ammonium Compounds ◽  
Long Chain

Some aliphatic long-chain quaternary ammonium compounds and choline derivatives have been examined for their ability to induce pseudopodia from Amoeba proteus. The reaction involved in pseudopodium induction is believed to be between the quaternary nitrogen cations and polysaccharides on the cell surface. Not all of the carboxyl groups of the polysaccharide are involved in this reaction. The mechanism of pseudopodium induction is discussed in terms of changes in the surface charge and the permeability of the cell membrane.

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