Data from: New insights into cation-driven protein adsorption to the air-water interface through infrared reflection studies of bovine serum albumin
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Enders, Abigail A.; Clark, Jessica B.; Elliott, Scott M.; Allen, Heather C. (2023). Data from: New insights into cation-driven protein adsorption to the air-water interface through infrared reflection studies of bovine serum albumin. In Center for Aerosol Impacts on Chemistry of the Environment (CAICE) Collection. UC San Diego Library Digital Collections. https://doi.org/10.6075/J0D79BKR
- Description
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Publication abstract: The chemistry and structure of the air-ocean interface modulates biogeochemical processes between the ocean and atmosphere and therefore impacts sea spray aerosol properties, cloud and ice nucleation, and therefore climate. Protein macromolecules are enriched in the sea surface microlayer and have complex adsorption properties due to the unique molecular balance of hydrophobicity and hydrophilicity. Bovine serum albumin was used as a model protein to investigate the dynamic surface behavior of proteins under several variable conditions including solution ionic strength, temperature, and the presence of a fatty acid monolayer at the air-water interface. Key vibrational modes of bovine serum albumin are examined via infrared reflectance-absorbance spectroscopy, a specular reflection method that ratios out the solution phase and highlights the aqueous surface, to determine, at a molecular level, the surface structural changes and factors affecting adsorption to the solution surface. Amide band reflection absorption intensities reveal the extent of protein adsorption under each set of conditions. Studies revealed nuanced behavior of protein adsorption strongly impacted by ocean relevant sodium concentrations, and somewhat surprising, the adsorption was minimally impacted by divalent cations. The interfacial chemistry and properties are of interest because ocean surface biogeochemistry remains elusive and increased understanding of the surface in a controlled setting will help guide ocean and climate modeling.
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- Time period of project: 2021 to 2023
- Date Issued
- 2023
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- English
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Identifier: Abigail Enders: https://orcid.org/0000-0002-3747-5304
- Related Resource
- Abigail A. Enders, Jessica B. Clark, Scott M. Elliott, and Heather C. Allen (2023). New Insights into Cation- and Temperature-Driven Protein Adsorption to the Air–Water Interface through Infrared Reflection Studies of Bovine Serum Albumin. Langmuir 39 (15), 5505-5513. https://doi.org/10.1021/acs.langmuir.3c00249
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Creative Commons Attribution 4.0 International Public License
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- UC Regents
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Under copyright (US)
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Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp)
- Last Modified
2023-11-09