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13 Result(s)

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  1. No Access

    Article

    Poly(ester-ether-ester) block copolymers as biomaterials

    Poly(ester-ether-ester) block copolymers, belonging to a class of biodegradable materials, were synthesized from poly(ethylene glycol) and ε-caprolactone by a simple ring-opening mechanism, which avoids the us...

    P. Cerrai, G. D. Guerra, L. Lelli… in Journal of Materials Science: Materials in… (1994)

  2. No Access

    Article

    In vitro biocompatibility of fluorinated polyurethanes

    The in vitro biocompatibility of fluorinated polyurethanes (FPUs), labelled as FPU 42, 52, 58, and 60, was evaluated by means of thrombogenicity, cytoxicity and cytocompatibility tests. Cardiothane® was taken as ...

    R. Sbarbati del Guerra, L. Lelli, C. Tonelli… in Journal of Materials Science: Materials in… (1994)

  3. No Access

    Article

    Block copolymers of L-lactide and poly(ethylene glycol) for biomedical applications

    Poly (L-lactide)-poly (oxyethylene)-poly (L-lactide) block copolymers obtained in bulk, by a ring opening mechanism, from poly (ethylene glycol)s (PEG)s and L-lactide (LA), at 120–140°C, in the absence of adde...

    P. Cerral, M. Tricoli, L. Lelli… in Journal of Materials Science: Materials in… (1994)

  4. No Access

    Article

    Collagen and hyaluronic acid based polymeric blends as drug delivery systems for the release of physiological concentrations of growth hormone

    Two synthetic polymers, poly(vinyl alcohol) (PVA) and poly(acrylic acid) (PAA) were blended, in different ratios, with two biological polymers, collagen (C) and hyaluronic acid (HA). These blends were used to ...

    M. G. Cascone, L. Di Silvio, B. Sim… in Journal of Materials Science: Materials in… (1994)

  5. No Access

    Article

    Biological characterization of hydrogels of poly(vinyl alcohol) and hyaluronic acid

    Hydrogels of hyaluronic acid (HA) and poly(vinyl alcohol) (PVA) were prepared using eight freezing-thawing cycles from HA/PVA blends (10/90, 20/80, 30/70, 40/60, 50/50, and 0/100 (w/w) ratios). The biocompatib...

    R. Sbarbati Del Guerra, M. G. Cascone… in Journal of Materials Science: Materials in… (1994)

  6. No Access

    Article

    Physico-chemical and mechanical characterization of hydrogels of poly (vinyl alcohol) and hyaluronic acid

    Hydrogels are three-dimensional polymeric networks very similar to biological tissues and potentially useful as soft tissue substitutes and drug delivery systems. Many synthetic polymers can be used to make hy...

    L. Lazzeri, N. Barbani, M. G. Cascone… in Journal of Materials Science: Materials in… (1994)

  7. No Access

    Article

    Collagen-based bioartificial materials—evaluation as membranes for extracorporeal blood purification

    The preparation of films from blends of collagen and poly(vinyl alcohol) is described and the transport properties of these films are evaluated. Different crosslinking procedures, dehydrothermal crosslinking a...

    M. Seggiani, L. Lazzeri, M. G. Cascone… in Journal of Materials Science: Materials in… (1994)

  8. No Access

    Article

    Evaluation of poly(vinyl alcohol) hydrogels as a component of hybrid artificial tissues

    Hydrogels are three-dimensional polymeric networks very similar to biological tissues. Many synthetic polymers can be used in preparing hydrogels. Among them poly(vinyl alcohol) (PVA), physically crosslinked b...

    M. G. Cascone, M. Laus, D. Ricci… in Journal of Materials Science: Materials in… (1995)

  9. No Access

    Article

    Optimization of the interaction between ethylenevinyl alcohol copolymers and human endothelial cells

    To better understand and optimize the fine interactions that occur during adhesion events between human cells and synthetic materials, we seeded human umbilical vein endothelial cells (HUVEC) onto ethylene-vin...

    R. Sbarbati Delguerra, M. G. Cascone… in Journal of Materials Science: Materials in… (1996)

  10. No Access

    Article

    Dehydro-thermally cross-linked collagen-poly(vinyl alcohol) blends: mechanical, biological and surface properties

    The mechanical, biological and surface properties of films, based on blends of soluble collagen and poly(vinyl alcohol), were investigated. Films prepared by casting were cross-linked by a dehydro-thermal trea...

    M. G. Cascone, L. Lazzeri, N. Barbani… in Journal of Materials Science: Materials in… (1996)

  11. No Access

    Article

    Hydrogels based on chitosan and dextran as potential drug delivery systems

    The release of human growth hormone (GH) from bioartificial polymeric materials in the form of hydrogels, was measured in vitro for up to 3 weeks. Poly(vinyl-alcohol) (PVA) was blended, in different ratios, wi...

    M. G. Cascone, S. Maltinti in Journal of Materials Science: Materials in Medicine (1999)

  12. No Access

    Article

    Effect of chitosan and dextran on the properties of poly(vinyl alcohol) hydrogels

    Hydrogels are three-dimensional polymeric networks very similar to biological tissues and potentially useful as drug delivery systems. Poly(vinyl alcohol)-based hydrogels containing different amounts of dextra...

    M. G. Cascone, S. Maltinti, N. Barbani… in Journal of Materials Science: Materials in… (1999)

  13. No Access

    Article

    Assessing two-way interactions between cells and inorganic nanoparticles

    A safe and effective use of nanoparticles in biology and medicine requires a thorough understanding, down to the molecular level, of how nanoparticles interact with cells in the physiological environment. This...

    C. Cristallini, N. Barbani, S. Bianchi… in Journal of Materials Science: Materials in… (2019)