Modification of polylactic acid surface using RF plasma discharge with sputter deposition of a hydroxyapatite target for increased biocompatibility

Abstract

Surface modification of polylactic acid (PLLA) by plasma of radio-frequency magnetron discharge with hydroxyapatite target sputtering was investigated. Increased biocompatibility was demonstrated using studies with bone marrow multipotent mesenchymal stromal cells. Atomic force microscopy demonstrates that the plasma treatment modifies the surface morphology of PLLA to produce rougher surface. Infrared spectroscopy and X-ray diffraction revealed that changes in the surface morphology are caused by the processes of PLLA crystallization. Fluorescent X-ray spectroscopy showed that the plasma treatment also changes the chemical composition of PLLA, enriching it with ions of the sputtered target: calcium, phosphorus and oxygen. It is hypothesized that these surface modifications increase biocompatibility of PLLA without increasing toxicity.

Original language	English
Pages (from-to)	32-39
Number of pages	8
Journal	Applied Surface Science
Volume	329
DOIs	https://doi.org/10.1016/j.apsusc.2014.12.127
Publication status	Published - 28 Feb 2015

Keywords

Biocompatibility
Biomaterial
Calcium-phosphate
Magnetron sputter deposition
Polylactic acid

ASJC Scopus subject areas

Surfaces, Coatings and Films

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10.1016/j.apsusc.2014.12.127

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Tverdokhlebov, S. I., Bolbasov, E. N., Shesterikov, E. V., Antonova, L. V., Golovkin, A. S., Matveeva, V. G., Petlin, D. G., & Anissimov, Y. G. (2015). Modification of polylactic acid surface using RF plasma discharge with sputter deposition of a hydroxyapatite target for increased biocompatibility. Applied Surface Science, 329, 32-39. https://doi.org/10.1016/j.apsusc.2014.12.127

Modification of polylactic acid surface using RF plasma discharge with sputter deposition of a hydroxyapatite target for increased biocompatibility. / Tverdokhlebov, S. I.; Bolbasov, E. N.; Shesterikov, E. V.; Antonova, L. V.; Golovkin, A. S.; Matveeva, V. G.; Petlin, Danila Gennadievich; Anissimov, Y. G.

In: Applied Surface Science, Vol. 329, 28.02.2015, p. 32-39.

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

Tverdokhlebov, S. I. ; Bolbasov, E. N. ; Shesterikov, E. V. ; Antonova, L. V. ; Golovkin, A. S. ; Matveeva, V. G. ; Petlin, Danila Gennadievich ; Anissimov, Y. G. / Modification of polylactic acid surface using RF plasma discharge with sputter deposition of a hydroxyapatite target for increased biocompatibility. In: Applied Surface Science. 2015 ; Vol. 329. pp. 32-39.

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title = "Modification of polylactic acid surface using RF plasma discharge with sputter deposition of a hydroxyapatite target for increased biocompatibility",

abstract = "Surface modification of polylactic acid (PLLA) by plasma of radio-frequency magnetron discharge with hydroxyapatite target sputtering was investigated. Increased biocompatibility was demonstrated using studies with bone marrow multipotent mesenchymal stromal cells. Atomic force microscopy demonstrates that the plasma treatment modifies the surface morphology of PLLA to produce rougher surface. Infrared spectroscopy and X-ray diffraction revealed that changes in the surface morphology are caused by the processes of PLLA crystallization. Fluorescent X-ray spectroscopy showed that the plasma treatment also changes the chemical composition of PLLA, enriching it with ions of the sputtered target: calcium, phosphorus and oxygen. It is hypothesized that these surface modifications increase biocompatibility of PLLA without increasing toxicity.",

keywords = "Biocompatibility, Biomaterial, Calcium-phosphate, Magnetron sputter deposition, Polylactic acid",

author = "Tverdokhlebov, {S. I.} and Bolbasov, {E. N.} and Shesterikov, {E. V.} and Antonova, {L. V.} and Golovkin, {A. S.} and Matveeva, {V. G.} and Petlin, {Danila Gennadievich} and Anissimov, {Y. G.}",

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AU - Tverdokhlebov, S. I.

AU - Bolbasov, E. N.

AU - Shesterikov, E. V.

AU - Antonova, L. V.

AU - Golovkin, A. S.

AU - Matveeva, V. G.

AU - Petlin, Danila Gennadievich

AU - Anissimov, Y. G.

PY - 2015/2/28

Y1 - 2015/2/28

N2 - Surface modification of polylactic acid (PLLA) by plasma of radio-frequency magnetron discharge with hydroxyapatite target sputtering was investigated. Increased biocompatibility was demonstrated using studies with bone marrow multipotent mesenchymal stromal cells. Atomic force microscopy demonstrates that the plasma treatment modifies the surface morphology of PLLA to produce rougher surface. Infrared spectroscopy and X-ray diffraction revealed that changes in the surface morphology are caused by the processes of PLLA crystallization. Fluorescent X-ray spectroscopy showed that the plasma treatment also changes the chemical composition of PLLA, enriching it with ions of the sputtered target: calcium, phosphorus and oxygen. It is hypothesized that these surface modifications increase biocompatibility of PLLA without increasing toxicity.

AB - Surface modification of polylactic acid (PLLA) by plasma of radio-frequency magnetron discharge with hydroxyapatite target sputtering was investigated. Increased biocompatibility was demonstrated using studies with bone marrow multipotent mesenchymal stromal cells. Atomic force microscopy demonstrates that the plasma treatment modifies the surface morphology of PLLA to produce rougher surface. Infrared spectroscopy and X-ray diffraction revealed that changes in the surface morphology are caused by the processes of PLLA crystallization. Fluorescent X-ray spectroscopy showed that the plasma treatment also changes the chemical composition of PLLA, enriching it with ions of the sputtered target: calcium, phosphorus and oxygen. It is hypothesized that these surface modifications increase biocompatibility of PLLA without increasing toxicity.

KW - Biocompatibility

KW - Biomaterial

KW - Calcium-phosphate

KW - Magnetron sputter deposition

KW - Polylactic acid

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