Citrate effects on amorphous calcium carbonate (ACC) structure, stability, and crystallization

Research output: Contribution to journalJournal articlepeer-review

Standard

Citrate effects on amorphous calcium carbonate (ACC) structure, stability, and crystallization. / Tobler, Dominique Jeanette; Rodriguez Blanco, Juan Diego; Dideriksen, Knud; Bovet, Nicolas Emile; Sand, Karina Krarup; Stipp, Susan Louise Svane.

In: Advanced Functional Materials, Vol. 25, No. 20, 2015, p. 3081-3090.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Tobler, DJ, Rodriguez Blanco, JD, Dideriksen, K, Bovet, NE, Sand, KK & Stipp, SLS 2015, 'Citrate effects on amorphous calcium carbonate (ACC) structure, stability, and crystallization', Advanced Functional Materials, vol. 25, no. 20, pp. 3081-3090. https://doi.org/10.1002/adfm.201500400

APA

Tobler, D. J., Rodriguez Blanco, J. D., Dideriksen, K., Bovet, N. E., Sand, K. K., & Stipp, S. L. S. (2015). Citrate effects on amorphous calcium carbonate (ACC) structure, stability, and crystallization. Advanced Functional Materials, 25(20), 3081-3090. https://doi.org/10.1002/adfm.201500400

Vancouver

Tobler DJ, Rodriguez Blanco JD, Dideriksen K, Bovet NE, Sand KK, Stipp SLS. Citrate effects on amorphous calcium carbonate (ACC) structure, stability, and crystallization. Advanced Functional Materials. 2015;25(20):3081-3090. https://doi.org/10.1002/adfm.201500400

Author

Tobler, Dominique Jeanette ; Rodriguez Blanco, Juan Diego ; Dideriksen, Knud ; Bovet, Nicolas Emile ; Sand, Karina Krarup ; Stipp, Susan Louise Svane. / Citrate effects on amorphous calcium carbonate (ACC) structure, stability, and crystallization. In: Advanced Functional Materials. 2015 ; Vol. 25, No. 20. pp. 3081-3090.

Bibtex

@article{db40291933b54187969b63c15adf7d55,
title = "Citrate effects on amorphous calcium carbonate (ACC) structure, stability, and crystallization",
abstract = "Understanding the role of citrate in the crystallization kinetics of amorphous calcium carbonate (ACC) is essential to explain the formation mechanisms, stabilities, surface properties, and morphologies of CaCO3 biominerals. It also contributes to deeper insight into fluid-mineral interactions, both in nature and for industrial processes. In this study, ACC formation and its crystallization are monitored in real time as a function of citrate (CIT) concentration in solution. Additionally, synchrotron radiation pair distribution function analyses combined with solid-state, spectroscopic, and microscopic techniques are used to determine the effect of CIT on ACC structure, composition, and size. Results show an increase in ACC lifetime coupled with an increase in CIT uptake by ACC and slight changes in ACC atomic structure with an increase in CIT concentration. ACC does not form at concentrations ≥ 75% CIT/Ca and vaterite is absent in all cases where CIT is present. These findings can be explained by CIT binding with Ca ions, thereby forming Ca-CIT complexes in solution and decreasing ACC and calcite saturation levels. The formation of CIT-bearing ACC with calcitic structure and the absence of vaterite formation suggest that these solution complexes form a calcite-type atomic arrangement while CIT probably also acts as a growth inhibitor.",
keywords = "amorphous calcium carbonate, biomineralization, CaCO<inf>3</inf> crystallization, citric acid/citrate, spherulitic growth",
author = "Tobler, {Dominique Jeanette} and {Rodriguez Blanco}, {Juan Diego} and Knud Dideriksen and Bovet, {Nicolas Emile} and Sand, {Karina Krarup} and Stipp, {Susan Louise Svane}",
year = "2015",
doi = "10.1002/adfm.201500400",
language = "English",
volume = "25",
pages = "3081--3090",
journal = "Advanced Materials for Optics and Electronics",
issn = "1057-9257",
publisher = "Wiley - V C H Verlag GmbH & Co. KGaA",
number = "20",

}

RIS

TY - JOUR

T1 - Citrate effects on amorphous calcium carbonate (ACC) structure, stability, and crystallization

AU - Tobler, Dominique Jeanette

AU - Rodriguez Blanco, Juan Diego

AU - Dideriksen, Knud

AU - Bovet, Nicolas Emile

AU - Sand, Karina Krarup

AU - Stipp, Susan Louise Svane

PY - 2015

Y1 - 2015

N2 - Understanding the role of citrate in the crystallization kinetics of amorphous calcium carbonate (ACC) is essential to explain the formation mechanisms, stabilities, surface properties, and morphologies of CaCO3 biominerals. It also contributes to deeper insight into fluid-mineral interactions, both in nature and for industrial processes. In this study, ACC formation and its crystallization are monitored in real time as a function of citrate (CIT) concentration in solution. Additionally, synchrotron radiation pair distribution function analyses combined with solid-state, spectroscopic, and microscopic techniques are used to determine the effect of CIT on ACC structure, composition, and size. Results show an increase in ACC lifetime coupled with an increase in CIT uptake by ACC and slight changes in ACC atomic structure with an increase in CIT concentration. ACC does not form at concentrations ≥ 75% CIT/Ca and vaterite is absent in all cases where CIT is present. These findings can be explained by CIT binding with Ca ions, thereby forming Ca-CIT complexes in solution and decreasing ACC and calcite saturation levels. The formation of CIT-bearing ACC with calcitic structure and the absence of vaterite formation suggest that these solution complexes form a calcite-type atomic arrangement while CIT probably also acts as a growth inhibitor.

AB - Understanding the role of citrate in the crystallization kinetics of amorphous calcium carbonate (ACC) is essential to explain the formation mechanisms, stabilities, surface properties, and morphologies of CaCO3 biominerals. It also contributes to deeper insight into fluid-mineral interactions, both in nature and for industrial processes. In this study, ACC formation and its crystallization are monitored in real time as a function of citrate (CIT) concentration in solution. Additionally, synchrotron radiation pair distribution function analyses combined with solid-state, spectroscopic, and microscopic techniques are used to determine the effect of CIT on ACC structure, composition, and size. Results show an increase in ACC lifetime coupled with an increase in CIT uptake by ACC and slight changes in ACC atomic structure with an increase in CIT concentration. ACC does not form at concentrations ≥ 75% CIT/Ca and vaterite is absent in all cases where CIT is present. These findings can be explained by CIT binding with Ca ions, thereby forming Ca-CIT complexes in solution and decreasing ACC and calcite saturation levels. The formation of CIT-bearing ACC with calcitic structure and the absence of vaterite formation suggest that these solution complexes form a calcite-type atomic arrangement while CIT probably also acts as a growth inhibitor.

KW - amorphous calcium carbonate

KW - biomineralization

KW - CaCO<inf>3</inf> crystallization

KW - citric acid/citrate

KW - spherulitic growth

U2 - 10.1002/adfm.201500400

DO - 10.1002/adfm.201500400

M3 - Journal article

VL - 25

SP - 3081

EP - 3090

JO - Advanced Materials for Optics and Electronics

JF - Advanced Materials for Optics and Electronics

SN - 1057-9257

IS - 20

ER -

ID: 143092527