Manufacture and extraction of PLLA films with incorporated metal ions

For the in vitro examination of the effects on cells and tissues of metal ions derived from implants by wear and corrosion, a system is needed to release metal ions in a controlled and sustained manner. As small concentrations may have an impact on biological systems, a corresponding slow release ov...

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Main Authors: Eickner Thomas, Illner Sabine, Hahn Olga, Müller-Hilke Brigitte, Jonitz-Heincke Anika, Bader Rainer, Fiedler Tomas, Peters Kirsten, Grabow Niels
Format: Article
Language:English
Published: De Gruyter 2023-09-01
Series:Current Directions in Biomedical Engineering
Subjects:
Online Access:https://doi.org/10.1515/cdbme-2023-1113
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author Eickner Thomas
Illner Sabine
Hahn Olga
Müller-Hilke Brigitte
Jonitz-Heincke Anika
Bader Rainer
Fiedler Tomas
Peters Kirsten
Grabow Niels
author_facet Eickner Thomas
Illner Sabine
Hahn Olga
Müller-Hilke Brigitte
Jonitz-Heincke Anika
Bader Rainer
Fiedler Tomas
Peters Kirsten
Grabow Niels
author_sort Eickner Thomas
collection DOAJ
description For the in vitro examination of the effects on cells and tissues of metal ions derived from implants by wear and corrosion, a system is needed to release metal ions in a controlled and sustained manner. As small concentrations may have an impact on biological systems, a corresponding slow release over a defined period of time is necessary. Here, a manufacturing method of polymeric Poly(L-lactic acid) (PLLA) films with incorporated cobalt ions via dip coating is reported. The establishment of two analytical methods for the detection and quantification of cobalt ions is shown. High performance liquid chromatography enables cobalt quantification over a concentration range of 0.33 μg/mL up to 33 μg/mL in sample solutions. Extraction and detection of cobalt ions from solvent cast PLLA-cobalt-films shows the feasibility of the manufacturing method. Initial biocompatibility tests with manufactured PLLA-cobaltfilms showed no effects on adipose derived primary mesenchymal stem cells (adMSCs).
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spelling doaj.art-be34c32b0c774a2a8d389494a9116b8b2023-10-30T07:58:12ZengDe GruyterCurrent Directions in Biomedical Engineering2364-55042023-09-019145145410.1515/cdbme-2023-1113Manufacture and extraction of PLLA films with incorporated metal ionsEickner Thomas0Illner Sabine1Hahn Olga2Müller-Hilke Brigitte3Jonitz-Heincke Anika4Bader Rainer5Fiedler Tomas6Peters Kirsten7Grabow Niels8Institute for Biomedical Engineering, University Medical Center Rostock, Friedrich-Barnewitz-Str. 4, 18119Rostock, GermanyInstitute for Biomedical Engineering, University Medical Center Rostock, Friedrich- Barnewitz-Str. 4, 18119Rostock, GermanyDepartment of Cell Biology, University Medical Center Rostock, Schillingallee 69, 18057Rostock, GermanyInstitute of Immunology, University Medical Center Rostock, Schillingallee 70, 18057Rostock, GermanyDepartment of Orthopedics, University Medical Center Rostock, Doberaner Straße 142, 18057Rostock, GermanyDepartment of Orthopedics, University Medical Center Rostock, Doberaner Straße 142, 18057Rostock, GermanyInstitute for Medical Microbiology, Virology and Hygiene, University Medical Center Rostock, Schillingallee 70, 18057Rostock, GermanyDepartment of Cell Biology, University Medical Center Rostock, Schillingallee 69, 18057Rostock, GermanyInstitute for Biomedical Engineering, University Medical Center Rostock, Friedrich- Barnewitz-Str. 4, 18119Rostock, GermanyFor the in vitro examination of the effects on cells and tissues of metal ions derived from implants by wear and corrosion, a system is needed to release metal ions in a controlled and sustained manner. As small concentrations may have an impact on biological systems, a corresponding slow release over a defined period of time is necessary. Here, a manufacturing method of polymeric Poly(L-lactic acid) (PLLA) films with incorporated cobalt ions via dip coating is reported. The establishment of two analytical methods for the detection and quantification of cobalt ions is shown. High performance liquid chromatography enables cobalt quantification over a concentration range of 0.33 μg/mL up to 33 μg/mL in sample solutions. Extraction and detection of cobalt ions from solvent cast PLLA-cobalt-films shows the feasibility of the manufacturing method. Initial biocompatibility tests with manufactured PLLA-cobaltfilms showed no effects on adipose derived primary mesenchymal stem cells (adMSCs).https://doi.org/10.1515/cdbme-2023-1113metal ionswearcobaltplla filmshplc uv-visadmsc
spellingShingle Eickner Thomas
Illner Sabine
Hahn Olga
Müller-Hilke Brigitte
Jonitz-Heincke Anika
Bader Rainer
Fiedler Tomas
Peters Kirsten
Grabow Niels
Manufacture and extraction of PLLA films with incorporated metal ions
Current Directions in Biomedical Engineering
metal ions
wear
cobalt
plla films
hplc uv-vis
admsc
title Manufacture and extraction of PLLA films with incorporated metal ions
title_full Manufacture and extraction of PLLA films with incorporated metal ions
title_fullStr Manufacture and extraction of PLLA films with incorporated metal ions
title_full_unstemmed Manufacture and extraction of PLLA films with incorporated metal ions
title_short Manufacture and extraction of PLLA films with incorporated metal ions
title_sort manufacture and extraction of plla films with incorporated metal ions
topic metal ions
wear
cobalt
plla films
hplc uv-vis
admsc
url https://doi.org/10.1515/cdbme-2023-1113
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