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Tunable electroactive biomimetic bone-like surfaces for bone marrow-on-chips
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- Cao, Danfeng (author)
- Linköpings universitet,Sensor- och aktuatorsystem,Tekniska fakulteten
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- Martinez Gil, Jose Gabriel (author)
- Linköpings universitet,Sensor- och aktuatorsystem,Tekniska fakulteten
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- Skalla, Laetitia (author)
- Linköpings universitet,Sensor- och aktuatorsystem,Tekniska fakulteten
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- (creator_code:org_t)
- IEEE, 2023
- 2023
- English.
- In: 2023 IEEE BIOSENSORS CONFERENCE, BIOSENSORS. - : IEEE. - 9798350346046 - 9798350346114
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- Electro-stimulation is an effective way to manipulate the presentation of bio-factors at the materials interface. This study aimed to develop electrochemically-modified trabecular bone-like surfaces for manipulation of mesenchymal and hematopoietic cells. The electroactive surface was based on the conducting polymer polypyrrole for dynamic control of the presentation and mineralisation of chondrocyte-derived plasma membrane nanofragments (PMNFs) covalently immobilized on the surface. Electrochemical redox switching resulted in the PMNF-based formation of bone minerals with different morphologies, which further demonstrated to have distinct effects on the survival of mouse bone marrow-derived mesenchymal and hematopoietic cell populations cultured on the surface. This tunable electroactive surface could be a valuable tool for dynamically sensing and/or controlling stem cell functions in more suitable biomimetic microenvironments housing a stem cell niche.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik -- Medicinsk material- och protesteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering -- Medical Materials (hsv//eng)
Keyword
- conducting polymers; plasma membrane; bone; bone marrow; chip
Publication and Content Type
- ref (subject category)
- kon (subject category)
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