Dataset: Coccolithophore-associated organic biopolymers for fractionating particle-reactive radionuclides (234Th, 233Pa, 210Pb, 210Po, and 7Be)

ValidatedFinal no updates expectedDOI: 10.1575/1912/bco-dmo.738772.1Version 1 (2018-05-15)Dataset Type:experimental

Principal Investigator: Peter Santschi (Texas A&M, Galveston)

Co-Principal Investigator: Antonietta Quigg (Texas A&M, Galveston)

Co-Principal Investigator: Kathleen Schwehr (Texas A&M, Galveston)

Co-Principal Investigator: Chen Xu (Texas A&M, Galveston)

BCO-DMO Data Manager: Mathew Biddle (Woods Hole Oceanographic Institution)

Project: Biopolymers as carrier phases for selected natural radionuclides (of Th, Pa, Pb, Po, Be) in diatoms and coccolithophores (Biopolymers for radionuclides)

Abstract

Laboratory incubation experiments using the coccolithophore Emiliania huxleyi were conducted in the presence of 234Th, 233Pa, 210Pb, 210Po, and 7Be to differentiate radionuclide uptake to the CaCO3 coccosphere from coccolithophore-associated biopolymers.

Cite Dataset

Laboratory incubation experiments using the coccolithophore Emiliania huxleyi were conducted
in the presence of 234Th, 233Pa, 210Pb, 210Po, and 7Be to differentiate radionuclide uptake to the CaCO3
coccosphere from coccolithophore-associated biopolymers.

Related Datasets

No Related Datasets

Related Publications

Results
Lin, P., Xu, C., Zhang, S., Sun, L., Schwehr, K. A., Bretherton, L., … Santschi, P. H. (2017). Importance of coccolithophore-associated organic biopolymers for fractionating particle-reactive radionuclides (234 Th, 233 Pa, 210 Pb, 210 Po, and 7 Be) in the ocean. Journal of Geophysical Research: Biogeosciences, 122(8), 2033–2045. doi:10.1002/2017jg003779
Methods
Chuang, C-Y., Santschi, P. H., Xu, C., Jiang, Y., Ho, Y., Quigg, A., Guo, L., Hatcher, P. G., Ayranov, M., & Schumann, D. (2015). Molecular level characterization of diatom‐associated biopolymers that bind 234 Th, 233 Pa, 210 Pb, and 7 Be in seawater: A case study with Phaeodactylum tricornutum. In Journal of Geophysical Research: Biogeosciences (Vol. 120, Issue 9, pp. 1858–1869). American Geophysical Union (AGU). https://doi.org/10.1002/2015jg002970
Methods
Hung, C.-C., & Santschi, P. H. (2001). Spectrophotometric determination of total uronic acids in seawater using cation-exchange separation and pre-concentration by lyophilization. Analytica Chimica Acta, 427(1), 111–117. doi:10.1016/s0003-2670(00)01196-x
Methods
Hung, C.-C., Tang, D., Warnken, K. W., & Santschi, P. H. (2001). Distributions of carbohydrates, including uronic acids, in estuarine waters of Galveston Bay. Marine Chemistry, 73(3-4), 305–318. doi:10.1016/s0304-4203(00)00114-6
Methods
Xu, C., Zhang, S., Chuang, C., Miller, E. J., Schwehr, K. A., & Santschi, P. H. (2011). Chemical composition and relative hydrophobicity of microbial exopolymeric substances (EPS) isolated by anion exchange chromatography and their actinide-binding affinities. Marine Chemistry, 126(1-4), 27–36. doi:10.1016/j.marchem.2011.03.004

Santschi, P., Quigg, A., Schwehr, K., Xu, C. (2018) Coccolithophore-associated organic biopolymers for fractionating particle-reactive radionuclides (234Th, 233Pa, 210Pb, 210Po, and 7Be). Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2018-05-15 [if applicable, indicate subset used]. doi:10.1575/1912/bco-dmo.738772.1 [access date]

Terms of Use

This dataset is licensed under Creative Commons Attribution 4.0.


If you wish to use this dataset, it is highly recommended that you contact the original principal investigators (PI). Should the relevant PI be unavailable, please contact BCO-DMO (info@bco-dmo.org) for additional guidance. For general guidance please see the BCO-DMO Terms of Use document.

NSF Logo©2020 Biological and Chemical Oceanography Data Management Office.
Funded by the U.S. National Science Foundation