Experimental and theoretical study of adsorption of synthesized amino acid core derived surfactants at an air/water interface

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dc.contributor.authorBorkowski, Mariusz
dc.contributor.authorOrvalho, S.
dc.contributor.authorWarszyński, Piotr
dc.contributor.authorDemchuk, O.M.
dc.contributor.authorJarek, Ewelina
dc.contributor.authorZawała, Jan
dc.contributor.organizationJerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences, Krakow, Polanden
dc.contributor.organizationInstitute of Chemical Process Fundamentals, Czech Academy of Sciences, Prague, Czech Republicen
dc.contributor.organizationFaculty of Science and Health, The John Paul II Catholic University of Lublin, Lublin, Polanden
dc.contributor.organizationSBŁ-Pharmaceutical Research Institute, Warsaw, Polanden
dc.contributor.organizationDepartment of Chemical Engineering, Stanford University, Stanford, USAen
dc.date.accessioned2023-08-10T14:22:31Z
dc.date.available2023-08-10T14:22:31Z
dc.date.issued2022-01-20
dc.descriptionPartial financial support from the Polish National Science Centre grant number 2019/33/B/NZ7/01608 & 2020/38/E/ST8/00173 is acknowledged with gratitude. The European Union Erasmus+ programme (project number: 2018-1-PL01-KA103-047692) is acknowledged for providing scholarship (financial support) for the research/mobility/traineeship. PW and JZ acknowledges partial financial support of the project by the statutory research fund of ICSC PAS. We also wish to thank John Belanger for proofreading this manuscript.en
dc.description.abstractThe adsorption characteristics of amino acid surfactants, synthesized as substances with different volumes and hydrophilic head properties, have been previously described experimentally, without robust theoretical explanation. A theoretical model enabling the characterization of the adsorption behavior and physicochemical properties of this type of biodegradable surfactants, based on molecular structure, would be beneficial for assessment of their usefulness in colloids and interface science in comparison with typical surface-active substances. In this paper, the adsorption behaviour of synthesized amino acid surfactants at the liquid/gas interface was analyzed experimentally (by surface tension measurements using two independent techniques) and theoretically by means of an elaborate model, considering the volume of the surfactant hydrophilic “head” and its ionization degree. It was shown that the adsorption behavior of the synthesized compounds can be successfully described by the proposed model, including the Helfand–Frisch–Lebowitz isotherm based on the equation of state of 2D hard disk-like particles, with molecular properties of surfactant particles obtained using molecular dynamics simulations (MDS). Model parameters allow for direct comparison of physicochemical properties of synthesized amino acid surfactants with other ionic and non-ionic surface-active substances. Furthermore, it was revealed that intermolecular hydrogen bonds allow the formation of surfactant dimers with high surface activity.en
dc.description.sponsorshipPolish National Science Centre, European Union, ICSC PAS
dc.identifier.citationM. Borkowski, S. Orvalho, P. Warszyński, O.M. Demchuk, E. Jarek, J. Zawala "Experimental and theoretical study of adsorption of synthesized amino acid core derived surfactants at an air/water interface", Physical Chemistry Chemical Physics, 24(6) (2022) 3854-3864, DOI: 10.1039/d1cp05322aen
dc.identifier.doi10.1039/d1cp05322a
dc.identifier.issn1463-9076
dc.identifier.urihttps://open.icm.edu.pl/handle/123456789/22812
dc.language.isoen
dc.publisherThe Royal Society of Chemistryen
dc.relation2019/33/B/NZ7/01608 & 2020/38/E/ST8/00173 & 2018-1-PL01-KA103-047692en
dc.rightsUznanie autorstwa 4.0 Międzynarodowe*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.titleExperimental and theoretical study of adsorption of synthesized amino acid core derived surfactants at an air/water interfaceen
dc.typearticleen
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