BIOMEDICAL ARTICLES
Biocompatibility and biodegradability of spider egg sac silk.
Spider egg sac silk (SpESS) were enzymatically cleaned and their biodegradation in vivo and in vitro, as well as their biocompatibility were studied. Proteinase K treatment diminished the tenacity and the strain of the SpESS fibers in proportion to the enzyme concentration. Fibers treated with trypsin were […]
Development and bio-electrochemical characterization of a novel TiO(2)-SiO (2) mixed oxide coating for titanium implants.
Titanium and its alloys, the most commonly used materials for dental and orthopaedic implants are generally coated with bioactive materials such as sol-gel derived titania, silica and calcium phosphate in order to render these materials bioactive. In the […]
Surface modification of polydimethylsiloxane (PDMS) induced proliferation and neural-like cells differentiation of umbilical cord blood-derived mesenchymal stem cells.
Stem cell-based therapy has recently emerged for use in novel therapeutics for incurable diseases. For successful recovery from neurologic diseases, the most pivotal factor is differentiation and directed neuronal cell growth. In this study, we […]
Effect of FGF-2 and melatonin on implant bone healing: a histomorphometric study.
Melatonin influences the release of growth hormone and cortisol in humans, and it was recently reported that it promoted bone formation. On the other hand, fibroblast growth factor-2 (FGF-2) was reported to facilitate the proliferation of osteoblasts. In the present study, […]
Electrospun fibrous web of collagen-apatite precipitated nanocomposite for bone regeneration.
Electrospinning is regarded as a facile tool to generate biomaterials into a nanofibrous structure. Herein a nanofibrous web constituted of collagen and hydroxyapatite (HA) was produced from their co-precipitated nanocomposite solution by using the electrospinning method. The co-precipitated sol was freeze-dried and the […]
Self-assembly of nanohydroxyapatite in mesoporous silica.
A novel material hexagonal mesoporous silica-hydroxyapatite (HMS-HA) has been developed based on self-assembly of nanohydroxyapatite in mesoporous silica in situ. The structural and textural properties of the materials are, respectively, characterized via X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), N(2) adsorption, thermogravimetic analysis, and high-resolution transmission […]
Controlled size and morphology of EDTMP-doped hydroxyapatite nanoparticles as model for (153)Samarium-EDTMP doping.
Hydroxyapatite (HA) nanoparticles have been studied as nano-sized carriers for the delivery of therapeutic agents. One important consideration for these carriers to be used effectively is their bio-distribution in vivo, of which particle size has a significant effect. In this […]
Evaluation of the effect of tracer pH on the sealing ability of glass ionomer cement and mineral trioxide aggregate.
Objectives The aim of this study was to evaluate the sealing ability and physical and chemical properties of glass ionomer cement (GIC) and mineral trioxide aggregate (MTA) using Rhodamine B at different pHs as […]
Cloning and characterization of a human LYPD7, a new member of the Ly-6 superfamily.
Members of the Ly-6 (Lymphocyte Antigen 6) protein family share one or several repeat units of the LU domain that is defined by a distinct disulfide bonding pattern between 8 or 10 cysteine residues. Here we report the cloning […]
Genetic structure and dynamics of a small introduced population: the pikeperch, Sander lucioperca, in the Rhône delta.
Genetic data on introduced populations may help us to understand how these species succeed in colonising new territories. The pikeperch is a predatory fish widely introduced in Europe and has at times been considered as an […]
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