Homogeneous nucleation of hydroxyapatite, ca5oh(Po4)3, at 37◦c

Research

Homogeneous nucleation of hydroxyapatite, ca₅oh(Po₄)₃, at 37^◦c

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

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Homogeneous nucleation of hydroxyapatite, ca₅oh(Po₄)₃, at 37^◦c. / Madsen, Hans Erik Lundager.

In: Crystals, Vol. 10, No. 8, 695, 2020.

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

Harvard

Madsen, HEL 2020, 'Homogeneous nucleation of hydroxyapatite, ca₅oh(Po₄)₃, at 37^◦c', Crystals, vol. 10, no. 8, 695. https://doi.org/10.3390/cryst10080695

APA

Madsen, H. E. L. (2020). Homogeneous nucleation of hydroxyapatite, ca₅oh(Po₄)₃, at 37^◦c. Crystals, 10(8), [695]. https://doi.org/10.3390/cryst10080695

Vancouver

Madsen HEL. Homogeneous nucleation of hydroxyapatite, ca₅oh(Po₄)₃, at 37^◦c. Crystals. 2020;10(8). 695. https://doi.org/10.3390/cryst10080695

Author

Madsen, Hans Erik Lundager. / Homogeneous nucleation of hydroxyapatite, ca₅oh(Po₄)₃, at 37^◦c. In: Crystals. 2020 ; Vol. 10, No. 8.

Bibtex

@article{a7257ee2ca14485ea32f5ca2b3bc0084,

title = "Homogeneous nucleation of hydroxyapatite, ca5oh(Po4)3, at 37◦c",

abstract = "Precipitation of the calcium phosphate hydroxyapatite, Ca5OH(PO4 )3, is studied by simple mixing of reagent solutions and measurement of light scattering (turbidimetry) at six different wavelengths from 300 to 800 nm. Measured turbidities are analyzed using Mie{\textquoteright}s theory of light scattering from small particles. Results are interpreted in terms of classical theory of homogeneous nucleation, and from this the surface free energy of crystals is determined. The low value thus found is explained as the effect of protonation of the strongly basic anions hydroxide and phosphate at the crystal surface. Relatively large particles registered by turbidimetry are shown to be not monocrystals, but aggregates of nanocrystals.",

keywords = "Calcium phosphate, Homogeneous nucleation, Hydroxyapatite, Light scattering, Surface free energy, Surface protonation",

author = "Madsen, {Hans Erik Lundager}",

note = "Publisher Copyright: {\textcopyright} 2020 by the author. Licensee MDPI, Basel, Switzerland.",

year = "2020",

doi = "10.3390/cryst10080695",

language = "English",

volume = "10",

journal = "Crystals",

issn = "2073-4352",

publisher = "M D P I AG",

number = "8",

}

RIS

TY - JOUR

T1 - Homogeneous nucleation of hydroxyapatite, ca5oh(Po4)3, at 37◦c

AU - Madsen, Hans Erik Lundager

PY - 2020

Y1 - 2020

N2 - Precipitation of the calcium phosphate hydroxyapatite, Ca5OH(PO4 )3, is studied by simple mixing of reagent solutions and measurement of light scattering (turbidimetry) at six different wavelengths from 300 to 800 nm. Measured turbidities are analyzed using Mie’s theory of light scattering from small particles. Results are interpreted in terms of classical theory of homogeneous nucleation, and from this the surface free energy of crystals is determined. The low value thus found is explained as the effect of protonation of the strongly basic anions hydroxide and phosphate at the crystal surface. Relatively large particles registered by turbidimetry are shown to be not monocrystals, but aggregates of nanocrystals.

AB - Precipitation of the calcium phosphate hydroxyapatite, Ca5OH(PO4 )3, is studied by simple mixing of reagent solutions and measurement of light scattering (turbidimetry) at six different wavelengths from 300 to 800 nm. Measured turbidities are analyzed using Mie’s theory of light scattering from small particles. Results are interpreted in terms of classical theory of homogeneous nucleation, and from this the surface free energy of crystals is determined. The low value thus found is explained as the effect of protonation of the strongly basic anions hydroxide and phosphate at the crystal surface. Relatively large particles registered by turbidimetry are shown to be not monocrystals, but aggregates of nanocrystals.

KW - Calcium phosphate

KW - Homogeneous nucleation

KW - Hydroxyapatite

KW - Light scattering

KW - Surface free energy

KW - Surface protonation

U2 - 10.3390/cryst10080695

DO - 10.3390/cryst10080695

M3 - Journal article

AN - SCOPUS:85090253274

VL - 10

JO - Crystals

JF - Crystals

SN - 2073-4352

IS - 8

M1 - 695

ER -

ID: 270280493