Interfacial Binding of Divalent Cations to Calixarene-Based Langmuir Monolayers
نویسندگان
چکیده
منابع مشابه
The Binding of Divalent Cations to Actin.
Great effort has been spent in recent years on the investigation of certain aspects of actin polymerization, such as the dephosphorylation of adenosine triphosphate during G to F transformation (l-6), the mode of interaction of ATP with actin (i-15), and the role of sulfhydryl, histidine, tyrosine, and other groups in the polymerization process (8-10, 12-14, 16-18). It has been found that actin...
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This communication demonstrates the possibility to nucleate and grow different crystalline polymorphic forms of gabapentin (GBP) using, as nucleation templates, Langmuir monolayers of an amphiphilic calixarene at different packing densities.
متن کاملDivalent Cations
Inhibition by polyvalent cations is a defining characteristic of voltage-gated proton channels. The mechanism of this inhibition was studied in rat alveolar epithelial cells using tight-seal voltage clamp techniques. Metal concentrations were corrected for measured binding to buffers. Externally applied ZnCl 2 reduced the H 1 current, shifted the voltage-activation curve toward positive potenti...
متن کاملDivalent Cations
AB STRACT The effects of external Zn+2 and other divalent cations on K channels in squid giant axons were studied. At low concentration (2 mM) Zn+2 slows opening kinetics without affecting closing kinetics . Higher concentrations (5-40 mM) progressively slow opening and speed channel closing to a lesser degree. In terms of "shifts," opening kinetics are strongly shifted to the right on the volt...
متن کاملEffect of Divalent Cations
brane uptake of IFB, were completely reversible. These findings are consistent with the concept that the formation of calcium salt bridges is essential for attachment of IFB,2 to the ileal-absorptive surface.
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ژورنال
عنوان ژورنال: Langmuir
سال: 2015
ISSN: 0743-7463,1520-5827
DOI: 10.1021/acs.langmuir.5b00262