Bovine Serum Albumin Adsorption at a Polarized Water/1,2-Dichloroethane Interface with No Effect on the Ion Transfer Kinetics

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F22%3A00558478" target="_blank" >RIV/61388955:_____/22:00558478 - isvavai.cz</a>
Result on the web
<a href="http://hdl.handle.net/11104/0332125" target="_blank" >http://hdl.handle.net/11104/0332125</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/celc.202200409" target="_blank" >10.1002/celc.202200409</a>

Result language
angličtina
Original language name
Bovine Serum Albumin Adsorption at a Polarized Water/1,2-Dichloroethane Interface with No Effect on the Ion Transfer Kinetics
Original language description
Adsorption of bovine serum albumin (BSA) at a polarized water/1,2-dichloroethane (DCE) interface is examined by measuring the dynamic interfacial tension gamma at various cell potentials E, BSA concentrations and pH of the aqueous phase (w). An addition of BSA to the phase (w) results in an appreciable decay of gamma with time in the whole potential range available, which follows an induction period at the very beginning of the gamma transient. An analysis of the effect of the BSA concentration on the gamma transients enables to establish the adsorption isotherm, and to evaluate both the maximum surface excess concentration of BSA and the standard Gibbs energy of adsorption. An increase of the potential E results in an acceleration of the adsorption, and an increase of the surface excess concentration of the positively charged BSA at pH 2, while the latter effect is absent when BSA is charged negatively at pH 7.3. It is shown that the adsorbed BSA has a negligible effect on both the interfacial capacitance of the polarized water/DCE interface and the rate constant of the interfacial transfer of the tetraethylammonium (TEA(+)) or Cs+ ion measured at the corresponding standard ion transfer potential.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10403 - Physical chemistry

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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