Mechanistic insight into biopolymer induced iron oxide mineralization through quantification of molecular bonding

Research output: Contribution to journal › Journal article › Research › peer-review

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Mechanistic insight into biopolymer induced iron oxide mineralization through quantification of molecular bonding. / Sand, Karina Krarup; Jelavic, Stanislav; Dobberschütz, Sören; Ashby, Paul D.; Marshall, Matthew J.; Dideriksen, Knud; Stipp, Susan Louise Svane; Kerisit, Sebastien ; Friddle, Raymond; DeYoreo, James J.

In: Nanoscale Advances, 12.06.2020.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Sand, KK, Jelavic, S, Dobberschütz, S, Ashby, PD, Marshall, MJ, Dideriksen, K, Stipp, SLS, Kerisit, S, Friddle, R & DeYoreo, JJ 2020, 'Mechanistic insight into biopolymer induced iron oxide mineralization through quantification of molecular bonding', Nanoscale Advances. https://doi.org/10.1039/D0NA00138D

APA

Sand, K. K., Jelavic, S., Dobberschütz, S., Ashby, P. D., Marshall, M. J., Dideriksen, K., Stipp, S. L. S., Kerisit, S., Friddle, R., & DeYoreo, J. J. (2020). Mechanistic insight into biopolymer induced iron oxide mineralization through quantification of molecular bonding. Nanoscale Advances. https://doi.org/10.1039/D0NA00138D

Vancouver

Sand KK, Jelavic S, Dobberschütz S, Ashby PD, Marshall MJ, Dideriksen K et al. Mechanistic insight into biopolymer induced iron oxide mineralization through quantification of molecular bonding. Nanoscale Advances. 2020 Jun 12. https://doi.org/10.1039/D0NA00138D

Author

Sand, Karina Krarup ; Jelavic, Stanislav ; Dobberschütz, Sören ; Ashby, Paul D. ; Marshall, Matthew J. ; Dideriksen, Knud ; Stipp, Susan Louise Svane ; Kerisit, Sebastien ; Friddle, Raymond ; DeYoreo, James J. / Mechanistic insight into biopolymer induced iron oxide mineralization through quantification of molecular bonding. In: Nanoscale Advances. 2020.

Bibtex

@article{94de83a3450347829d7e6d32f589a0a8,
title = "Mechanistic insight into biopolymer induced iron oxide mineralization through quantification of molecular bonding",
abstract = "Microbial production of iron (oxyhydr)oxides on polysaccharide rich biopolymers occurs on such a vast scale that it impacts the global iron cycle and has been responsible for major biogeochemical events. Yet the physiochemical controls these biopolymers exert on iron (oxyhydr)oxides formation are poorly understood. Here we used dynamic force spectroscopy to directly probe binding between complex, model and natural microbial polysaccharides and common iron (oxyhydr)oxides. Applying nucleation theory to our results demonstrates that if there is a strong attractive interaction between biopolymers and iron (oxyhydr)oxides, the biopolymers decrease the nucleation barriers, thus promoting mineral nucleation. These results are also supported by nucleation studies and density functional theory. Spectroscopic and thermogravimetric data provide insight into the subsequent growth dynamics and show that the degree and strength of water association with the polymers can explain the influence on iron (oxyhydr)oxides transformation rates. Combined, our results provide a mechanistic basis for understanding how polymer-mineral-water interactions alter iron (oxyhydr)oxides nucleation and growth dynamics and pave the way for an improved understanding of the consequences of polymer induced mineralization in natural systems.",
author = "Sand, {Karina Krarup} and Stanislav Jelavic and S{\"o}ren Dobbersch{\"u}tz and Ashby, {Paul D.} and Marshall, {Matthew J.} and Knud Dideriksen and Stipp, {Susan Louise Svane} and Sebastien Kerisit and Raymond Friddle and DeYoreo, {James J}",
year = "2020",
month = jun,
day = "12",
doi = "10.1039/D0NA00138D",
language = "English",
journal = "Nanoscale Advances",
issn = "2516-0230",
publisher = "Royal Society of Chemistry",

}

RIS

TY - JOUR

T1 - Mechanistic insight into biopolymer induced iron oxide mineralization through quantification of molecular bonding

AU - Sand, Karina Krarup

AU - Jelavic, Stanislav

AU - Dobberschütz, Sören

AU - Ashby, Paul D.

AU - Marshall, Matthew J.

AU - Dideriksen, Knud

AU - Stipp, Susan Louise Svane

AU - Kerisit, Sebastien

AU - Friddle, Raymond

AU - DeYoreo, James J

PY - 2020/6/12

Y1 - 2020/6/12

N2 - Microbial production of iron (oxyhydr)oxides on polysaccharide rich biopolymers occurs on such a vast scale that it impacts the global iron cycle and has been responsible for major biogeochemical events. Yet the physiochemical controls these biopolymers exert on iron (oxyhydr)oxides formation are poorly understood. Here we used dynamic force spectroscopy to directly probe binding between complex, model and natural microbial polysaccharides and common iron (oxyhydr)oxides. Applying nucleation theory to our results demonstrates that if there is a strong attractive interaction between biopolymers and iron (oxyhydr)oxides, the biopolymers decrease the nucleation barriers, thus promoting mineral nucleation. These results are also supported by nucleation studies and density functional theory. Spectroscopic and thermogravimetric data provide insight into the subsequent growth dynamics and show that the degree and strength of water association with the polymers can explain the influence on iron (oxyhydr)oxides transformation rates. Combined, our results provide a mechanistic basis for understanding how polymer-mineral-water interactions alter iron (oxyhydr)oxides nucleation and growth dynamics and pave the way for an improved understanding of the consequences of polymer induced mineralization in natural systems.

AB - Microbial production of iron (oxyhydr)oxides on polysaccharide rich biopolymers occurs on such a vast scale that it impacts the global iron cycle and has been responsible for major biogeochemical events. Yet the physiochemical controls these biopolymers exert on iron (oxyhydr)oxides formation are poorly understood. Here we used dynamic force spectroscopy to directly probe binding between complex, model and natural microbial polysaccharides and common iron (oxyhydr)oxides. Applying nucleation theory to our results demonstrates that if there is a strong attractive interaction between biopolymers and iron (oxyhydr)oxides, the biopolymers decrease the nucleation barriers, thus promoting mineral nucleation. These results are also supported by nucleation studies and density functional theory. Spectroscopic and thermogravimetric data provide insight into the subsequent growth dynamics and show that the degree and strength of water association with the polymers can explain the influence on iron (oxyhydr)oxides transformation rates. Combined, our results provide a mechanistic basis for understanding how polymer-mineral-water interactions alter iron (oxyhydr)oxides nucleation and growth dynamics and pave the way for an improved understanding of the consequences of polymer induced mineralization in natural systems.

U2 - 10.1039/D0NA00138D

DO - 10.1039/D0NA00138D

M3 - Journal article

JO - Nanoscale Advances

JF - Nanoscale Advances

SN - 2516-0230

ER -

ID: 243016774