Saxer, Sina

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Saxer
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Sina
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Saxer, Sina

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2016 - 20183
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Autor:in: Saxer, Sina × Enddatum: 2018 ×

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  • Vorschaubild nicht verfügbar
    Publikation
    Amino acid composition of nanofibrillar self-assembling peptide hydrogels affects responses of periodontal tissue cells in vitro
    (Dove Medical Press, 10/2018) Koch, Franziska; Wolff, Anne; Mathes, Stephanie; Pieles, Uwe; Saxer, Sina; Kreikemeyer, Bernd; Peters, Kirsten [in: Journal of International Nanomedicine]
    The regeneration of tissue defects at the interface between soft and hard tissue, eg, in the periodontium, poses a challenge due to the divergent tissue requirements. A class of biomaterials that may support the regeneration at the soft-to-hard tissue interface are self-assembling peptides (SAPs), as their physicochemical and mechanical properties can be rationally designed to meet tissue requirements.
    01A - Beitrag in wissenschaftlicher Zeitschrift
  • Vorschaubild nicht verfügbar
    Publikation
    Mechanical characteristics of beta sheet-forming peptide hydrogels are dependent on peptide sequence, concentration and buffer composition
    (Royal Society, 03/2018) Koch, Franziska; König, Finja; Meyer, Nina; Gattlen, Jasmin; Pieles, Uwe; Peters, Kirsten; Kreikemeyer, Bernd; Mathes, Stephanie; Saxer, Sina; Müller, Michael [in: Royal Society Open Science]
    Self-assembling peptide hydrogels can be modified regarding their biodegradability, their chemical and mechanical properties and their nanofibrillar structure. Thus, self-assembling peptide hydrogels might be suitable scaffolds for regenerative therapies and tissue engineering. Owing to the use of various peptide concentrations and buffer compositions, the self-assembling peptide hydrogels might be influenced regarding their mechanical characteristics. Therefore, the mechanical properties and stability of a set of self-assembling peptide hydrogels, consisting of 11 amino acids, made from four beta sheet self-assembling peptides in various peptide concentrations and buffer compositions were studied. The formed self-assembling peptide hydrogels exhibited stiffnesses ranging from 0.6 to 205 kPa. The hydrogel stiffness was mostly affected by peptide sequence followed by peptide concentration and buffer composition. All self-assembling peptide hydrogels examined provided a nanofibrillar network formation. A maximum self-assembling peptide hydrogel dissolution of 20% was observed for different buffer solutions after 7 days. The stability regarding enzymatic and bacterial digestion showed less degradation in comparison to the self-assembling peptide hydrogel dissolution rate in buffer. The tested set of self-assembling peptide hydrogels were able to form stable scaffolds and provided a broad spectrum of tissue-specific stiffnesses that are suitable for a regenerative therapy.
    01A - Beitrag in wissenschaftlicher Zeitschrift
  • Vorschaubild nicht verfügbar
    Publikation
    Preliminary microstructural investigation of Mg produced by SLM
    (European Cells and Materials, 2016) Saxer, Sina; Rüegg, Jasmine; Dietschy, Alain; Schumacher, Ralf; de Wild, Michael; Wiese, Björn; Wohlfender, Fabian [in: European Cells and Materials]
    01A - Beitrag in wissenschaftlicher Zeitschrift