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Biomaterials Characterization

The Experts below are selected from a list of 78 Experts worldwide ranked by ideXlab platform

Jun Li – 1st expert on this subject based on the ideXlab platform

  • poly ester urethane s consisting of poly r 3 hydroxybutyrate and poly ethylene glycol as candidate Biomaterials Characterization and mechanical property study
    Biomacromolecules, 2005
    Co-Authors: Xu Li, Ke Wang, Chaobin He, Jun Li

    Abstract:

    Poly(ester urethane)s with poly[(R)-3-hydroxybutyrate] (PHB) as the hard and hydrophobic segment and poly(ethylene glycol) (PEG) as the soft and hydrophilic segment were synthesized from telechelic hydroxylated PHB (PHB-diol) and PEG using 1,6-hexamethylene diisocyanate as a nontoxic coupling reagent. Their chemical structures and molecular characteristics were studied by gel permeation chromatography, 1H NMR, and Fourier transform infrared spectroscopy. Results of differential scanning calorimetry and X-ray diffraction indicated that the PHB segment and PEG segment in the poly(ester urethane)s formed separate crystalline phases with lower crystallinity and a lower melting point than those of their corresponding precursors, except no PHB crystalline phase was observed in those with a relatively low PHB fraction. Thermogravimetric analysis showed that the poly(ester urethane)s had better thermal stability than their precursors. The segment compositions were calculated from the two-step thermal decompositio…

T. Arinzeh – 2nd expert on this subject based on the ideXlab platform

  • Characterization of Biomaterials
    Characterization of Biomaterials, 2012
    Co-Authors: Michael Jaffe, W. Hammond, Panagiotis Tolias, T. Arinzeh

    Abstract:

    Biomaterials and medical devices must be rigorously tested in the laboratory before they can be implanted. Testing requires the right analytical techniques. Characterization of Biomaterials reviews the latest methods for analyzing the structure, properties and behaviour of Biomaterials. Beginning with an introduction to microscopy techniques for analyzing the phase nature and morphology of Biomaterials, Characterization of Biomaterials goes on to discuss scattering techniques for structural analysis, quantitative assays for measuring cell adhesion, motility and differentiation, and the evaluation of cell infiltration and tissue formation using bioreactors. Further topics considered include studying molecular-scale protein-surface interactions in Biomaterials, analysis of the cellular genome and abnormalities, and the use of microarrays to measure cellular changes induced by Biomaterials. Finally, the book concludes by outlining standards and methods for assessing the safety and biocompatibility of Biomaterials. With its distinguished editors and international team of expert contributors, Characterization of Biomaterials is an authoritative reference tool for all those involved in the development, production and application of Biomaterials. © 2013 Woodhead Publishing Limited. All rights reserved.

Xu Li – 3rd expert on this subject based on the ideXlab platform

  • poly ester urethane s consisting of poly r 3 hydroxybutyrate and poly ethylene glycol as candidate Biomaterials Characterization and mechanical property study
    Biomacromolecules, 2005
    Co-Authors: Xu Li, Ke Wang, Chaobin He, Jun Li

    Abstract:

    Poly(ester urethane)s with poly[(R)-3-hydroxybutyrate] (PHB) as the hard and hydrophobic segment and poly(ethylene glycol) (PEG) as the soft and hydrophilic segment were synthesized from telechelic hydroxylated PHB (PHB-diol) and PEG using 1,6-hexamethylene diisocyanate as a nontoxic coupling reagent. Their chemical structures and molecular characteristics were studied by gel permeation chromatography, 1H NMR, and Fourier transform infrared spectroscopy. Results of differential scanning calorimetry and X-ray diffraction indicated that the PHB segment and PEG segment in the poly(ester urethane)s formed separate crystalline phases with lower crystallinity and a lower melting point than those of their corresponding precursors, except no PHB crystalline phase was observed in those with a relatively low PHB fraction. Thermogravimetric analysis showed that the poly(ester urethane)s had better thermal stability than their precursors. The segment compositions were calculated from the two-step thermal decompositio…