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A more reliable procedure for estimating interactions between drugs and biomolecules using biosensors: a comparison with chromatography
Karlstad University, Faculty of Technology and Science, Department of Chemistry and Biomedical Sciences.
Karlstad University, Faculty of Technology and Science, Department of Chemistry and Biomedical Sciences.ORCID iD: 0000-0003-1819-1709
2012 (English)Conference paper, (Other academic)
Abstract [en]

This poster serves as background information to the corresponding lecture. Adsorption isotherms are essential in order to understand the interaction between small molecules such as pharmaceutical compounds and larger biomolecules. An adsorption isotherm describes the relationship of free substance in a solution with adsorbed substance to a surface, at a specific and constant temperature. Adsorption isotherms could be determined using several different method, all method have their pros and cons. In this study we are using two modern but principally different biosensors to determine interactions: quarts micro-balance (QCM) and Surface plasmon resonance (SPR) to determine interactions. For a long time adsorption isotherms has been determined solely by the chromatographic community. In this study we will present transformation of adsorption analysis tools from chromatography to biosensors, especially calculation of adsorption energy distribution prior adsorption model fit. We will also discuss how the experiments should be conducted. Guidelines will be given for the experimental setup and for when the chromatographic or a biosensor technique is to be preferred. This is a contribution from the Fundamental Separation Science Group in Karlstad www.separationscience.se

Place, publisher, year, edition, pages
2012.
National Category
Analytical Chemistry
Identifiers
URN: urn:nbn:se:kau:diva-15262OAI: oai:DiVA.org:kau-15262DiVA: diva2:562042
Conference
21st Analysdagarna (Analytical days). Uppsala, Sweden,June 11-13, 2012.
Available from: 2012-10-23 Created: 2012-10-23 Last updated: 2017-01-25Bibliographically approved

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