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Exploring the role of ions and amino acids in directing the growth of minerals from solution

Published online by Cambridge University Press:  05 July 2018

S. Piana ,
F. Jones ,
Z. Taylor ,
P. Raiteri  and
J. D. Gale
S. Piana
Affiliation:
Nanochemistry Research Institute, Department of Applied Chemistry, Curtin University of Technology, GPO Box U1987, Perth, WA 6845, Australia
F. Jones
Affiliation:
Nanochemistry Research Institute, Department of Applied Chemistry, Curtin University of Technology, GPO Box U1987, Perth, WA 6845, Australia
Z. Taylor
Affiliation:
Nanochemistry Research Institute, Department of Applied Chemistry, Curtin University of Technology, GPO Box U1987, Perth, WA 6845, Australia
P. Raiteri
Affiliation:
Nanochemistry Research Institute, Department of Applied Chemistry, Curtin University of Technology, GPO Box U1987, Perth, WA 6845, Australia
J. D. Gale*
Affiliation:
Nanochemistry Research Institute, Department of Applied Chemistry, Curtin University of Technology, GPO Box U1987, Perth, WA 6845, Australia
*
*E-mail: [email protected]
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Abstract

The influence of both sulphate ions and aspartic acid on directing the growth of baryte has been explored using computer simulation. Both species are found to significantly reduce the activation free-energy to growth under appropriate conditions, with the influence of sulphate being surface specific. This offers the potential for a new approach to morphology control without inhibition that may have implications for biomineralization.

Type
Research Article
Information
Mineralogical Magazine , Volume 72 , Issue 1 , February 2008 , pp. 273 - 276
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 2008

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References

Elhadj, S., de Yoreo, J.J., Hoyer, J.R. and Dove, P.M. (2006) Role of molecular charge and hydrophilicity in regulating the kinetics of crystal growth. Proceedings of the National Academy of Science, 103, 19237–19242.CrossRefGoogle ScholarPubMed
Piana, S., Jones, F. and Gale, J.D. (2006) Assisted desolvation as a key kinetic step for crystal growth. Journal of the American Chemical Society, 128, 13568–13574.CrossRefGoogle ScholarPubMed
Piana, S., Jones, F. and Gale, J.D. (2007) Aspartic acid as a crystal growth catalyst. CrystEngComm, 9, 1187–1191.CrossRefGoogle Scholar