In vitro and in vivo evaluation of alginate/sol-gel synthesized aminopropyl-silicate/alginate membrane for bioartificial pancreas.

abstract：:Doxorubicin (DOX)-loaded glycyrrhetinic acid (GA)-modified alginate (ALG) nanoparticles (DOX/GA-ALG NPs) were prepared for targeting therapy of liver cancer. This study focused on the biodistribution of DOX/GA-ALG NPs in Kunming mice as well as their antitumor activity against liver tumors in situ and side effects. Th...

journal_title：Biomaterials

authors： Zhang C,Wang W,Liu T,Wu Y,Guo H,Wang P,Tian Q,Wang Y,Yuan Z

更新日期：2012-03-01 00:00:00

abstract：:Normal functioning of articulating tissues is required for many physiological processes occurring across length scales from the molecular to whole organism. Lubricating biopolymers are present natively on tissue surfaces at various sites of biological articulation, including eyelid, mouth, and synovial joints. The ran...

journal_title：Biomaterials

authors： Cooper BG,Catalina Bordeianu,Nazarian A,Snyder BD,Grinstaff MW

更新日期：2018-10-01 00:00:00

abstract：:The objective of the current investigation is to determine the soft-tissue biocompatibility of sol-gel matrices which can be used to optimize the properties of implantable glucose sensors. The biocompatibility of sol-gel matrices with heparin, dextran sulphate, Nafion, polyethylene glycol, and polystyrene sulphonate w...

journal_title：Biomaterials

authors： Gerritsen M,Kros A,Sprakel V,Lutterman JA,Nolte RJ,Jansen JA

更新日期：2000-01-01 00:00:00

abstract：:Polypyrrole (PPy) is a conducting polymer and is obtained electrochemically on an electrode such as indium-tin oxide (ITO). In this study, in order to develop a novel cell-culture system which makes it possible to communicate with cultured mammalian cells, bovine adrenal chromaffin cells were cultured on PPy-coated IT...

journal_title：Biomaterials

authors： Aoki T,Tanino M,Sanui K,Ogata N,Kumakura K

更新日期：1996-10-01 00:00:00

abstract：:The composition, presentation, and spatial orientation of extracellular matrix molecules and growth factors are key regulators of cell behavior. Here, we used self-assembling peptide nanofiber gels as a modular scaffold to investigate how fibronectin-derived adhesion ligands and different modes of epidermal growth fac...

journal_title：Biomaterials

authors： Mehta G,Williams CM,Alvarez L,Lesniewski M,Kamm RD,Griffith LG

更新日期：2010-06-01 00:00:00

abstract：:The main challenge for neural progenitor cell (NPC)-mediated repair of spinal cord injury (SCI) is lack of favorable environment to direct its differentiation towards neurons rather than glial cells. The myelin associated inhibitors have been demonstrated to promote NPC differentiation into glial lineage. Herein, to i...

journal_title：Biomaterials

authors： Li X,Xiao Z,Han J,Chen L,Xiao H,Ma F,Hou X,Li X,Sun J,Ding W,Zhao Y,Chen B,Dai J

更新日期：2013-07-01 00:00:00

abstract：:Bone morphogenetic protein-2/absorbable collagen sponge (BMP-2/ACS) implants have been approved for clinical use to induce bone regeneration. We previously showed that exaggerated inflammation characterized by elevated level of inflammatory cytokines including TNF-α, IL-1β, and IL-6 has been shown to inhibit BMP-2/ACS...

journal_title：Biomaterials

authors： Huang RL,Chen G,Wang W,Herller T,Xie Y,Gu B,Li Q

更新日期：2015-10-01 00:00:00

abstract：:Covalent antithrombin-heparin complex (ATH) was covalently grafted to a polycarbonate urethane (Corethane) endoluminal graft (a kind gift of Corvita Corporation) after being activated using 0.3% m/m NaOCl in 0.15 M phosphate pH 6.0. ATH graft density (1.98 x 10(-7) mol/m2) was 6 times the maximum amount of unfractiona...

journal_title：Biomaterials

authors： Klement P,Du YJ,Berry L,Andrew M,Chan AK

更新日期：2002-01-01 00:00:00

abstract：:In the present work, we designed and synthesized a novel mono-guanidine heterolipid (MGH) and confirmed its structure by NMR and ESI-MS. The MGH was used as cationic lipid in developing etoposide loaded cationic self-microemulsifying drug delivery system (ECS) intended to be delivered by intratumoral route. The ECS ex...

journal_title：Biomaterials

authors： Shete H,Sable S,Tidke P,Selkar N,Pawar Y,Chakraborty A,De A,Vanage G,Patravale V

更新日期：2015-07-01 00:00:00

abstract：:Helicobacter pylori is a significant human pathogen that recognizes specific carbohydrate receptors, such as the fucose receptor, and produces the vacuolating cytotoxin, which induces inflammatory responses and modulates the cell-cell junction integrity of the gastric epithelium. The clinical applicability of topical ...

journal_title：Biomaterials

authors： Lin YH,Tsai SC,Lai CH,Lee CH,He ZS,Tseng GC

更新日期：2013-06-01 00:00:00

abstract：:We present here an easy method to modify the surface chemistry of polymeric microcapsules of perfluorooctyl bromide used as ultrasound contrast agents (UCAs). Capsules were obtained by a solvent emulsification-evaporation process with phospholipids incorporated in the organic phase before emulsification. Several phosp...

journal_title：Biomaterials

authors： Díaz-López R,Tsapis N,Libong D,Chaminade P,Connan C,Chehimi MM,Berti R,Taulier N,Urbach W,Nicolas V,Fattal E

更新日期：2009-03-01 00:00:00

abstract：:The aim of this study was to determine the biocompatibility and osteoconductive potential of a high-strength canasite glass ceramic. Glass-ceramic rods were produced using the lost-wax casting technique and implanted in the mid-shafts rabbit femurs. Implants were harvested at 4, 13 and 22 weeks and prepared for light ...

journal_title：Biomaterials

authors： da Rocha Barros VM,Salata LA,Sverzut CE,Xavier SP,van Noort R,Johnson A,Hatton PV

更新日期：2002-07-01 00:00:00

abstract：:Thermosensitive hydrogels based on poly(γ-ethyl-L-glutamate)-poly(ethylene glycol)-poly(γ-ethyl-L-glutamate) triblock copolymers (PELG-PEG-PELG) were prepared for localized and sustained delivery of anticancer drugs. The polypeptide-based hydrogels showed much lower critical gelation concentration than the traditional...

journal_title：Biomaterials

authors： Cheng Y,He C,Ding J,Xiao C,Zhuang X,Chen X

更新日期：2013-12-01 00:00:00

abstract：:Solid tissues in the body possess a range of stiffness and provide cells with an instructive microenvironment. Scaffolds in tissue engineering should be rationally designed to become an adhesion substrate friendly to cells. Schwann cells are the principal glial cell in the peripheral nervous system and used as support...

journal_title：Biomaterials

authors： Gu Y,Ji Y,Zhao Y,Liu Y,Ding F,Gu X,Yang Y

更新日期：2012-10-01 00:00:00

abstract：:Targeted drug delivery with precisely controlled drug release and activation is highly demanding and challenging for tumor precision therapy. Herein, a biomimetic cascade nanoreactor (designated as Mem@GOx@ZIF-8@BDOX) is constructed for tumor targeted starvation therapy-amplified chemotherapy by assembling tumor cell ...

journal_title：Biomaterials

authors： Cheng H,Jiang XY,Zheng RR,Zuo SJ,Zhao LP,Fan GL,Xie BR,Yu XY,Li SY,Zhang XZ

更新日期：2019-03-01 00:00:00

abstract：:The aim of this study was to follow the in vivo biodegradation as well as to appreciate the brain tissue response to poly(methylidene malonate 2.1.2) (PMM 2.1.2)-based microspheres implanted into the rat brain. Ninety-three adult Sprague-Dawley female rats were engaged in the study in which 54 underwent stereotactic i...

journal_title：Biomaterials

authors： Fournier E,Passirani C,Colin N,Sagodira S,Menei P,Benoit JP,Montero-Menei CN

更新日期：2006-10-01 00:00:00

abstract：:In arterial replacement there is a clear clinical need for a functional substitute possessing appropriate haemocompatible properties to be implanted as small diameter artery. Endothelial cell seeding constitutes an appreciated method to improve blood compatibility on the condition that cells firmly adhere to the suppo...

journal_title：Biomaterials

authors： Rémy M,Durand M,Menu P,Voegel JC,Ponsot JF,Bérard X,Harmand MF,Bordenave L

更新日期：2013-12-01 00:00:00

abstract：:Collagen in vertebrate animals is often arranged in alternating lamellae or in bundles of aligned fibrils which are designed to withstand in vivo mechanical loads. The formation of these organized structures is thought to result from a complex, large-area integration of individual cell motion and locally-controlled sy...

journal_title：Biomaterials

authors： Saeidi N,Karmelek KP,Paten JA,Zareian R,DiMasi E,Ruberti JW

更新日期：2012-10-01 00:00:00

abstract：:A glass of nominal composition (wt%) 17.25 MgO-52.75 3CaO.P2O5-30 SiO2 and a glass-ceramic obtained from it showed surface modifications when immersed in an acellular medium having a composition similar to that of human blood plasma. A (Ca, P)-rich layer, with an approximate Ca/P atomic ratio of 1.7, identified as hyd...

journal_title：Biomaterials

authors： Oliveira JM,Correia RN,Fernandes MH

更新日期：1995-07-01 00:00:00

abstract：:Inorganic phosphate (Pi) is a physiological regulator of osteoblasts and chondrocytes, suggesting that phosphate may contribute to the biological response of these cells to bioactive glasses like Bioglass 45S5, which is composed of 45% SiO2, 24.5% CaO, 24.5% Na2O, and 6% P2O5. We investigated the effect of varying the...

journal_title：Biomaterials

authors： Lossdörfer S,Schwartz Z,Lohmann CH,Greenspan DC,Ranly DM,Boyan BD

更新日期：2004-06-01 00:00:00

abstract：:Multi-layered poly(glycerol-sebacate) (PGS) scaffolds with controlled pore microarchitectures were fabricated, combined with heart cells, and cultured with perfusion to engineer contractile cardiac muscle constructs. First, one-layered (1L) scaffolds with accordion-like honeycomb shaped pores and elastomeric mechanica...

journal_title：Biomaterials

authors： Park H,Larson BL,Guillemette MD,Jain SR,Hua C,Engelmayr GC Jr,Freed LE

更新日期：2011-03-01 00:00:00

abstract：:Direct delivery of proteins to the cytosol of cells holds tremendous potential in biological and medical applications. Engineering vehicles for escorting proteins to the cytosol in a controlled release fashion has thus generated considerable interest. We report here the preparation of redox-responsive single-protein n...

journal_title：Biomaterials

authors： Zhao M,Biswas A,Hu B,Joo KI,Wang P,Gu Z,Tang Y

更新日期：2011-08-01 00:00:00

abstract：:Samples of linear (additionally crosslinked) p(HEMA) with different amounts of fibrillar collagen were implanted into the popliteal region of rats. After 3 month, the implanted materials were harvested and examined by SEM. The implants underwent marked structural or morphological changes. While the fibrillar collagen ...

journal_title：Biomaterials

authors： Stol M,Cífková I,Tyrácková V,Adam M

更新日期：1991-07-01 00:00:00

abstract：:Neurotrophic factors therapy requires their precise delivery to the targeted neuronal population. For this purpose, a wide range of strategies have been developed, and among them the stereotaxic implantation of biodegradable microparticles. To assess the in vivo activity of NGF-releasing PLGA microspheres, unloaded an...

journal_title：Biomaterials

authors： Péan JM,Menei P,Morel O,Montero-Menei CN,Benoit JP

更新日期：2000-10-01 00:00:00

abstract：:We have developed a family of synthetic biodegradable polymers that are composed of structural units endogenous to the human metabolism, designated poly(polyol sebacate) (PPS) polymers. Material properties of PPS polymers can be tuned by altering the polyol monomer and reacting stiochiometric ratio of sebacic acid. Th...

journal_title：Biomaterials

authors： Bruggeman JP,de Bruin BJ,Bettinger CJ,Langer R

更新日期：2008-12-01 00:00:00

abstract：:Experimental and histological studies on the reaction of surrounding gingiva to permucosal implants of dense calcium hydroxyapatite were carried out in dogs. Epithelial attachment and connection of supra-alveolar collagen fibres to the implant surface seemed to form a biological seal around implants similar to that ar...

journal_title：Biomaterials

authors： Kurashina K,de Lange GL,de Putter C,de Groot K

更新日期：1984-07-01 00:00:00

abstract：:Nanotechnology-based drug delivery systems have been intensively investigated, while only a few of them can be used for clinic application. Hematoporphyrin (HP), a major molecule in erythrocyte, has been widely used in photodynamic therapy (PDT). In the present study, polyethylene glycol (PEG) modified hematoporphyrin...

journal_title：Biomaterials

authors： Ren Y,Wang R,Liu Y,Guo H,Zhou X,Yuan X,Liu C,Tian J,Yin H,Wang Y,Zhang N

更新日期：2014-03-01 00:00:00

abstract：:We have developed a method to modify cross-linked hyaluronic acid with peptides containing the Arg-Gly-Asp sequence. The material created by this process is a three-dimensional porous matrix capable of supporting integrin receptor-mediated cell attachment. Peptide density can be controlled by varying the reaction cond...

journal_title：Biomaterials

authors： Glass JR,Dickerson KT,Stecker K,Polarek JW

更新日期：1996-06-01 00:00:00

abstract：:For cardiovascular biomaterials, thrombosis, thromboembolism and vascular graft occlusion are believed to be precipitated by the adsorption of proteins containing adhesive ligands for platelets. Polyethylene-glycol-diisocyanate (PEG-diisocyanate, 3400 MW) may potentially react with protein amines to form molecular bar...

journal_title：Biomaterials

authors： Deible CR,Petrosko P,Johnson PC,Beckman EJ,Russell AJ,Wagner WR

更新日期：1998-10-01 00:00:00

abstract：:Lingo-1 is selectively expressed on both oligodendrocytes and neurons in the central nervous system (CNS) and serves as a key negative regulator of nerve regeneration, implying a therapeutic target for spinal cord injury (SCI). Here we described a strategy to knock-down Lingo-1 expression in vivo using lentiviral vect...

journal_title：Biomaterials

authors： Wu HF,Cen JS,Zhong Q,Chen L,Wang J,Deng DY,Wan Y

更新日期：2013-02-01 00:00:00