Preparation of interpenetrating networks of gelatin and dextran as degradable biomaterials.

abstract：:Disruption of peripheral nerves due to trauma is a frequently occurring clinical problem. Gaps in the nerve are bridged by guiding the regenerating nerves along autologous grafts or artificial guides. This review gives an overview on the different methods of nerve repair techniques. Conventional suturing techniques ar...

journal_title：Biomaterials

authors： IJkema-Paassen J,Jansen K,Gramsbergen A,Meek MF

更新日期：2004-04-01 00:00:00

abstract：:We have shown that nanoparticles (NPs) conjugated to trans-activating transcriptor (TAT) peptide bypass the efflux action of P-glycoprotein and increase the transport of the encapsulated ritonavir, a protease inhibitor (PI), across the blood-brain-barrier (BBB) to the central nervous system (CNS). A steady increase in...

journal_title：Biomaterials

authors： Rao KS,Reddy MK,Horning JL,Labhasetwar V

更新日期：2008-11-01 00:00:00

abstract：:Bone marrow is the primary hematopoietic organ, which is involved in multiple malignant diseases including acute and chronic leukemia, multiple myeloma, myelodysplastic syndromes, and bone metastases from solid tumors. These malignancies affect normal homeostasis and reshape the bone marrow microenvironment. There are...

journal_title：Biomaterials

authors： Mu CF,Shen J,Liang J,Zheng HS,Xiong Y,Wei YH,Li F

更新日期：2018-02-01 00:00:00

abstract：:There is currently no effective treatment for the retinal disorders caused by retinal pigment epithelium (RPE) degeneration. Transplantation of allografts is the main strategy towards correction of this malady. Tissue engineering could offer hope and involve the use of biodegradable polymeric templates to replace dise...

journal_title：Biomaterials

authors： Tezcaner A,Bugra K,Hasirci V

更新日期：2003-11-01 00:00:00

abstract：:Calcium phosphates (CaP) and phosphate-based glass (P-glass, xCaO-(0.55-x) Na(2)O-0.45P(2)O(5) composition) composite coatings were obtained on a strong ZrO(2) to improve biocompatibility, the mechanical strength and biological activity. Hydroxyapatite (HA) and P-glass mixed powder slurries were coated on the ZrO(2) s...

journal_title：Biomaterials

authors： Kim HW,Georgiou G,Knowles JC,Koh YH,Kim HE

更新日期：2004-08-01 00:00:00

abstract：:The elasticity, mechanical strength and permeability of a new biomaterial made of elastin and fibrin were investigated. It was shown that gamma-irradiation to sterilize the product, and sulphur derivatives (Merceptyl, thiourea, cystein) working as reticulating agents modified these properties. Depending on whether or ...

journal_title：Biomaterials

authors： Barbié C,Angibaud C,Darnis T,Lefebvre F,Rabaud M,Aprahamian M

更新日期：1989-09-01 00:00:00

abstract：:Calcium phosphate coatings were deposited on titanium plate by an electrochemical method in simulated body fluid at 5-62 degrees C. X-ray diffractometry and FTIR studies demonstrated that the deposits at 5, 22 and 37 degrees C were amorphous and those at 52 and 62 degrees C contained Mg(OH)2, CaCO3 and carbonate apati...

journal_title：Biomaterials

authors： Ban S,Maruno S

更新日期：1995-09-01 00:00:00

abstract：:Branched polyesters of the general structure poly[vinyl-3-(dialkylamino)alkylcarbamate-co-vinyl acetate-co-vinyl alcohol]-graft-poly(d,l-lactide-co-glycolide) have shown potential for nano- and micro-scale drug delivery systems. For further optimization of this polymer class their cytotoxicity needs to be characterize...

journal_title：Biomaterials

authors： Unger F,Wittmar M,Kissel T

更新日期：2007-03-01 00:00:00

abstract：:The iron-containing fluoridated hydroxyapatites Fe-FeFAp and FeF-FeAp were synthesized heterogeneously in the presence of ferrous ions at 80 degrees C and pH 7.4 in two different types of solution, i.e. fluoride-free solution during the initial half of the experimental period and fluoride-containing solution during th...

journal_title：Biomaterials

authors： Okazaki M,Takahashi J

更新日期：1997-01-01 00:00:00

abstract：:Layered double hydroxide (LDH) nanoparticles are attractive as potential drug vectors for the targeting not only of tissues, but also of intracellular organelles, and particularly the acidic endolysosomes created after cell endocytosis. The purpose of this study was to investigate the ability of LDH nanoparticles desi...

journal_title：Biomaterials

authors： Li A,Qin L,Zhu D,Zhu R,Sun J,Wang S

更新日期：2010-02-01 00:00:00

abstract：:Titanium (Ti) osseointegration is critical for the success of dental and orthopedic implants. Previous studies have shown that surface roughness at the micro- and submicro-scales promotes osseointegration by enhancing osteoblast differentiation and local factor production. Only relatively recently have the effects of ...

journal_title：Biomaterials

authors： Gittens RA,McLachlan T,Olivares-Navarrete R,Cai Y,Berner S,Tannenbaum R,Schwartz Z,Sandhage KH,Boyan BD

更新日期：2011-05-01 00:00:00

abstract：:Biomaterials can potentially influence stem and progenitor cell proliferation and differentiation in both a positive and a negative way. Herein, we report on the expansion and differentiation of rat embryonic (E17) liver (RLC-18) cells on new bioactive membrane made of PEEK-WC-PU, whose surface was grafted with nitrog...

journal_title：Biomaterials

authors： Pavlica S,Piscioneri A,Peinemann F,Keller M,Milosevic J,Staeudte A,Heilmann A,Schulz-Siegmund M,Laera S,Favia P,De Bartolo L,Bader A

更新日期：2009-11-01 00:00:00

abstract：:TRAIL has received considerable attention as a potential anti-cancer agent due to its specific ability to target tumors. However, recombinant TRAIL has several limitations, such as, its short biological half-life, its inherent instability, and its potential hepatotoxicity. In this study, we developed a sustained relea...

journal_title：Biomaterials

authors： Lim SM,Kim TH,Jiang HH,Park CW,Lee S,Chen X,Lee KC

更新日期：2011-05-01 00:00:00

abstract：:pH-triggered lipid-membranes designed from biophysical principles are evaluated in the form of targeted liposomal doxorubicin with the aim to ultimately better control the growth of vascularized tumors. We compare the antitumor efficacy of anti-HER2/neu pH-triggered lipid vesicles encapsulating doxorubicin to the anti...

journal_title：Biomaterials

authors： Bandekar A,Karve S,Chang MY,Mu Q,Rotolo J,Sofou S

更新日期：2012-06-01 00:00:00

abstract：:Platelet concentrates (PCs) constitute new biological mediators used in osseous reconstructive surgery. In this study, we assessed (i) the effects of various concentrations of calcium and thrombin on the kinetics of platelet-derived growth factor (PDGF-BB), transforming growth factor-beta1(TGF-beta 1), basic fibroblas...

journal_title：Biomaterials

authors： Martineau I,Lacoste E,Gagnon G

更新日期：2004-08-01 00:00:00

abstract：:Thrombomodulin (TM) is a newly described endothelial cell-associated protein that functions as a potent natural anticoagulant by converting thrombin from a procoagulant protease to an anticoagulant. In this study, focussing on the application of TM for biomedical materials, recombinant human TM (hTM) was immobilized o...

journal_title：Biomaterials

authors： Kishida A,Ueno Y,Fukudome N,Yashima E,Maruyama I,Akashi M

更新日期：1994-08-01 00:00:00

abstract：:Methyl methacrylate (MMA) is a volatile liquid widely used in the manufacture of acrylic polymers. In modern dentistry, MMA is the mainstream material in denture bases. MMA has been implicated as primary irritant and sensitizer, which can cause allergic eczematous reaction on the oral mucosa as well as skin. To date, ...

journal_title：Biomaterials

authors： Yang HW,Chou LS,Chou MY,Chang YC

更新日期：2003-08-01 00:00:00

abstract：:A graft copolymer having poly(L-lysine) (PLL) as the backbone and monomethoxy poly(ethylene glycol) (MPEG) as pendent chains was synthesized. This polycationic copolymer was used to form microcapsules with sodium alginate, a polyanion. Microcapsules and model surfaces formed with PLL-graft-MPEG demonstrated reduced pr...

journal_title：Biomaterials

authors： Sawhney AS,Hubbell JA

更新日期：1992-01-01 00:00:00

abstract：:Clinically used contrast agents for magnetic resonance imaging (MRI) suffer by the lack of specificity; short circulation time; and insufficient relaxivity. Here, a one-step combinatorial approach is described for the synthesis of magnetic lipid-polymer (hybrid) nanoparticles (MHNPs) encapsulating 5 nm ultra-small sup...

journal_title：Biomaterials

authors： Aryal S,Key J,Stigliano C,Ananta JS,Zhong M,Decuzzi P

更新日期：2013-10-01 00:00:00

abstract：:The infection of an implanted prosthetic material can have serious consequences on the tissue integration of the implant and the scarring process in the host, and may even necessitate replacement of the prosthesis. This study was designed to explore the in vitro effects of Staphylococcus aureus (Sa) and Staphylococcus...

journal_title：Biomaterials

authors： Bellón JM,G-Honduvilla N,Jurado F,Carranza A,Buján J

更新日期：2001-07-01 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：:Tetragonal zirconia polycrystal (TZP) is a new interesting ceramic for the manufacture of medical devices. Its wide use in orthopedic and odontoiatric implants was limited till now by the high chemical and radiochemical impurities of the raw materials. Purification processes now available allow to obtain high purity c...

journal_title：Biomaterials

authors： Covacci V,Bruzzese N,Maccauro G,Andreassi C,Ricci GA,Piconi C,Marmo E,Burger W,Cittadini A

更新日期：1999-02-01 00:00:00

abstract：:Multifunctional and water-soluble superparamagnetic iron oxide (SPIO) nanocarriers were developed for targeted drug delivery and positron emission tomography/magnetic resonance imaging (PET/MRI) dual-modality imaging of tumors with integrin α(v)β₃ expression. An anticancer drug was conjugated onto the PEGylated SPIO n...

journal_title：Biomaterials

authors： Yang X,Hong H,Grailer JJ,Rowland IJ,Javadi A,Hurley SA,Xiao Y,Yang Y,Zhang Y,Nickles RJ,Cai W,Steeber DA,Gong S

更新日期：2011-06-01 00:00:00

abstract：:Semisynthetic network alginate polymer (SNAP), synthesized by acetalization of linear alginate with di-aldehyde, is a pH-responsive tetrafunctionally linked 3D gel network, and has potential application in oral delivery of protein therapeutics and active biologicals, and as tissue bioscaffold for regenerative medicine...

journal_title：Biomaterials

authors： Chan AW,Neufeld RJ

更新日期：2009-10-01 00:00:00

abstract：:A number of phase separation pHEMA sponge hydrogels have been prepared based on variations in monomer contents, concentration of cross-linking agent, solvent mixture and temperature of polymerization. The loading levels and release profiles of the anti-inflammatory drug prednisolone were examined for each of the pHEMA...

journal_title：Biomaterials

authors： Lou X,Munro S,Wang S

更新日期：2004-09-01 00:00:00

abstract：:We analysed tissues harvested during 24 retrievals of hip joint prostheses, with one or both articular components made of alumina. We describe the morphology of wear particles, measure their size and analyse their chemical composition. We relate histopathological aspects to the parameters that characterize ceramic wea...

journal_title：Biomaterials

authors： Pizzoferrato A,Stea S,Sudanese A,Toni A,Nigrisoli M,Gualtieri G,Squarzoni S

更新日期：1993-07-01 00:00:00

abstract：:Injectable, biodegradable scaffolds are important biomaterials for tissue engineering and drug delivery. Hydrogels derived from natural polysaccharides are ideal scaffolds as they resemble the extracellular matrices of tissues comprised of various glycosaminoglycans (GAGs). Here, we report a new class of biocompatible...

journal_title：Biomaterials

authors： Tan H,Chu CR,Payne KA,Marra KG

更新日期：2009-05-01 00:00:00

abstract：:The erosion of composite polymer matrices made of slow and fast eroding polymers was investigated. These matrices can be used as implants that release drugs in a preprogrammed way. To understand the mechanism of drug release, the erosion of cylindrical polymer matrices made of several layers of different polymers was ...

journal_title：Biomaterials

authors： Göpferich A

更新日期：1997-03-01 00:00:00

abstract：:Microcontact printing techniques were used to modify silicon substrates with arrays of hexagonal features of N1[3-(trimethoxysilyl) propyl]diethylenetriamine (DETA) surrounded by octadecyltrichlorosilane (OTS), which are hydrophilic, cell-adhesive and hydrophobic, non-adhesive organosilanes, respectively. In the prese...

journal_title：Biomaterials

authors： Kam L,Shain W,Turner JN,Bizios R

更新日期：1999-12-01 00:00:00

abstract：:Two kinds of micelles containing Rhodamine B were prepared by a solvent evaporation method. One (Lac-f-micelles: lactose-free micelles) was from a Rhodamine-containing copolymer, poly(ethylene glycol)-b-poly(l-lactide-co-2,2-dihydroxylmethyl-propylene carbonate/Rhodamine) [PEG(5000)-b-P(LA(4000)-co-DHP(600)/Rhodamine)...

journal_title：Biomaterials

authors： Ma P,Liu S,Huang Y,Chen X,Zhang L,Jing X

更新日期：2010-03-01 00:00:00