Application of atomic force microscopy methods for testing the surface parameters of coatings of medical implants

Abstract

Atomic force microscopy methods are used to study calcium phosphate coatings that are formed on surfaces of various materials, which are used in medicine, by radio-frequency magnetron sputtering of a hydroxyapatite target. The roughness parameters and values of the surface potentials of metal, polymer, and hybrid substrates are determined in a semicontact regime. Calcium phosphate coatings increase the roughness of surfaces of polymer and metal materials, thus presenting a stimulating factor for the attachment and proliferation of osteogenic cells. Using the Kelvin method, it is shown that calcium phosphate coatings change the surface potential of substrates.

Original language	English
Pages (from-to)	771-782
Number of pages	12
Journal	Russian Journal of Nondestructive Testing
Volume	47
Issue number	11
DOIs	https://doi.org/10.1134/S1061830911110040
Publication status	Published - Nov 2011

Keywords

Atomic force microscopy
Calcium phosphates
Coatings
Roughness
Surface potential

ASJC Scopus subject areas

Mechanical Engineering
Mechanics of Materials
Condensed Matter Physics
Materials Science(all)

Access to Document

10.1134/S1061830911110040

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Application of atomic force microscopy methods for testing the surface parameters of coatings of medical implants. / Klimenov, V. A.; Tverdokhlebov, S. I.; Bol'basov, E. N.; Shesterikov, E. V.; Novikov, V. A.; Volokitina, T. L.

In: Russian Journal of Nondestructive Testing, Vol. 47, No. 11, 11.2011, p. 771-782.

Research output: Contribution to journal › Article › peer-review

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abstract = "Atomic force microscopy methods are used to study calcium phosphate coatings that are formed on surfaces of various materials, which are used in medicine, by radio-frequency magnetron sputtering of a hydroxyapatite target. The roughness parameters and values of the surface potentials of metal, polymer, and hybrid substrates are determined in a semicontact regime. Calcium phosphate coatings increase the roughness of surfaces of polymer and metal materials, thus presenting a stimulating factor for the attachment and proliferation of osteogenic cells. Using the Kelvin method, it is shown that calcium phosphate coatings change the surface potential of substrates.",

keywords = "Atomic force microscopy, Calcium phosphates, Coatings, Roughness, Surface potential",

author = "Klimenov, {V. A.} and Tverdokhlebov, {S. I.} and Bol'basov, {E. N.} and Shesterikov, {E. V.} and Novikov, {V. A.} and Volokitina, {T. L.}",

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AU - Klimenov, V. A.

AU - Tverdokhlebov, S. I.

AU - Bol'basov, E. N.

AU - Shesterikov, E. V.

AU - Novikov, V. A.

AU - Volokitina, T. L.

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AB - Atomic force microscopy methods are used to study calcium phosphate coatings that are formed on surfaces of various materials, which are used in medicine, by radio-frequency magnetron sputtering of a hydroxyapatite target. The roughness parameters and values of the surface potentials of metal, polymer, and hybrid substrates are determined in a semicontact regime. Calcium phosphate coatings increase the roughness of surfaces of polymer and metal materials, thus presenting a stimulating factor for the attachment and proliferation of osteogenic cells. Using the Kelvin method, it is shown that calcium phosphate coatings change the surface potential of substrates.

KW - Atomic force microscopy

KW - Calcium phosphates

KW - Coatings

KW - Roughness

KW - Surface potential

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