Physico-chemical considerations in the development of an ocular polymeric drug delivery system.

abstract：:Autophagy has attracted a great deal of research interest in tumor therapy in recent years. An attempt was made in this direction and now we report that iron oxide NPs synthesized by us selectively induce autophagy in cancer cells (A549) and not in normal cells (IMR-90). It was also noteworthy that autophagy correlate...

journal_title：Biomaterials

authors： Khan MI,Mohammad A,Patil G,Naqvi SA,Chauhan LK,Ahmad I

更新日期：2012-02-01 00:00:00

abstract：:A surface with covalently bonded heparin was tested in an in vivo model. Heparinized and non-heparinized tubings were inserted in the pig aorta. They were left in place for up to 16 wk. After removal they were analysed for their capacity to take up and inhibit thrombin. A comparison was also made with tubings that had...

journal_title：Biomaterials

authors： Arnander C,Bagger-Sjöbäck D,Frebelius S,Larsson R,Swedenborg J

更新日期：1987-11-01 00:00:00

abstract：:Osteoblasts proliferate slowly on the surface of calcium phosphate apatite which is widely used as a substrate biomaterial in bone regeneration. Owing to poor adhesion signaling in the cells grown on the calcium phosphate surface, inadequate growth factor signaling is generated to trigger cell cycle progression. The p...

journal_title：Biomaterials

authors： Yang S,Tian YS,Lee YJ,Yu FH,Kim HM

更新日期：2011-04-01 00:00:00

abstract：:Subtle changes on the surface of polymeric materials on autoclaving have been ignored so far. An increase in cyclic trimer content on the surface of polyethylene terephthalate on autoclaving is reported. This increase may affect the biocompatibility of polyethylene terephthalate. Quantification of the cyclic trimer wa...

journal_title：Biomaterials

authors： Nair PD,Sreenivasan K

更新日期：1984-09-01 00:00:00

abstract：:Control of the precise location and extent of cellular attachment and proliferation, and of tissue outgrowth is important in a number of biomedical applications, including biomaterials and tissue engineered medical devices. Here we describe a method to control and direct the location and define boundaries of tissue gr...

journal_title：Biomaterials

authors： Thissen H,Johnson G,Hartley PG,Kingshott P,Griesser HJ

更新日期：2006-01-01 00:00:00

abstract：:Silicon (Si) substitution in the crystal structures of calcium phosphate (CaP) ceramics such as hydroxyapatite (HA) and tricalcium phosphate (TCP) generates materials with superior biological performance to stoichiometric counterparts. Si, an essential trace element required for healthy bone and connective tissues, in...

journal_title：Biomaterials

authors： Pietak AM,Reid JW,Stott MJ,Sayer M

更新日期：2007-10-01 00:00:00

abstract：:Gold nanoparticles have received a great deal of interest due to their unique optical and catalytic properties and biomedical applications. Developing applications as well as assessing associated risks requires an understanding of the interactions between Au nanoparticles (NPs) and biologically active substances. In t...

journal_title：Biomaterials

authors： He W,Zhou YT,Wamer WG,Hu X,Wu X,Zheng Z,Boudreau MD,Yin JJ

更新日期：2013-01-01 00:00:00

abstract：:Hydrogels based on ethoxytriethyleneglycol monomethacrylate/methyl methacrylate copolymers were prepared by free radical polymerization at 70 degrees C in bulk with 2,2'-azobisisobutyronitrile as initiator. The swelling behaviour of the hydrogels was studied by immersion of the films in water and in buffered solutions...

journal_title：Biomaterials

authors： Vázquez B,Gurruchaga M,Goñi I,San Román J

更新日期：1997-04-01 00:00:00

abstract：:Stimuli-responsive nanoparticles hold great promise for drug delivery to improve the safety and efficacy of cancer therapy. One of the most investigated stimuli-responsive strategies is to induce drug release by heating with laser, ultrasound, or electromagnetic field. More recently, cryosurgery (also called cryothera...

journal_title：Biomaterials

authors： Wang H,Agarwal P,Liang Y,Xu J,Zhao G,Tkaczuk KHR,Lu X,He X

更新日期：2018-10-01 00:00:00

abstract：:In the present study, the effects of implant design and surface properties on peri-implant bone response were evaluated with both conventional histomorphometry and micro-computed tomography (micro-CT), using two geometrically different dental implants (Screw type, St; Push-in, Pi) either or not surface-modified (non-c...

journal_title：Biomaterials

authors： Schouten C,Meijer GJ,van den Beucken JJ,Spauwen PH,Jansen JA

更新日期：2009-09-01 00:00:00

abstract：:The in vitro adhesion and spreading of human endothelial cells (HEC) on hydrophobic poly(ethylene terephthalate) (PETP) and moderately wettable tissue culture poly(ethylene terephthalate) (TCPETP) were studied with light microscopy and electron microscopy. Numbers of HEC adhering on TCPETP were always higher than thos...

journal_title：Biomaterials

authors： van Wachem PB,Schakenraad JM,Feijen J,Beugeling T,van Aken WG,Blaauw EH,Nieuwenhuis P,Molenaar I

更新日期：1989-10-01 00:00:00

abstract：:Parkinson's disease (PD) is an oxidative stress-mediated neurodegenerative disorder caused by selective dopaminergic neuronal death in the midbrain substantia nigra. Paraoxonase 1 (PON1) is a potent inhibitor of low-density lipoprotein (LDL) and high-density lipoprotein (HDL) against oxidation by destroying biological...

journal_title：Biomaterials

authors： Kim MJ,Park M,Kim DW,Shin MJ,Son O,Jo HS,Yeo HJ,Cho SB,Park JH,Lee CH,Kim DS,Kwon OS,Kim J,Han KH,Park J,Eum WS,Choi SY

更新日期：2015-09-01 00:00:00

abstract：:Materials for orthopaedic implants can fail for several combined reasons: corrosion, fatigue and wear for metals, wear and creep for polymers, fracture for ceramics. Some typical cases are analysed and it is demonstrated that ion implantation improves metals and polymers used for joint prosthesis. Implantations of nit...

journal_title：Biomaterials

authors： Rieu J,Pichat A,Rabbe LM,Chabrol C,Robelet M

更新日期：1990-07-01 00:00:00

abstract：:The efficient generation of integration- and xeno-free iPSCs is a prerequisite for their use in clinical applications. Furthermore, non-invasiveness of somatic cell acquisition for iPSC generation is another factor to consider. In this study, we established a practical, simple, and convenient method to generate integr...

journal_title：Biomaterials

authors： Lee KI,Kim HT,Hwang DY

更新日期：2014-09-01 00:00:00

abstract：:Cells form hollow, spheroidal structures during the development of many tissues, including the ocular lens, inner ear, and many glands. Therefore, techniques for in vitro formation of hollow spheroids are valued for studying developmental and disease processes. Current in vitro methods require cells to self-organize i...

journal_title：Biomaterials

authors： Wang E,Wang D,Geng A,Seo R,Gong X

更新日期：2017-10-01 00:00:00

abstract：:By taking advantage of the excessively upregulated expression of neuropilin (NRP) on the surface of both glioma cells and endothelial cells of angiogenic blood vessels, the ligand of NRP with high affinity - tLyp-1 peptide, which also contains a CendR motif ((R/K)XX(R/K)), was functionalized to the surface of PEG-PLA ...

journal_title：Biomaterials

authors： Hu Q,Gao X,Gu G,Kang T,Tu Y,Liu Z,Song Q,Yao L,Pang Z,Jiang X,Chen H,Chen J

更新日期：2013-07-01 00:00:00

abstract：:To avoid the overheating effect of excitation light and improve the efficacy of photodynamic therapy (PDT) of upconversion nanoplatform, a novel nanoprobe based on 808 nm-excited upconversion nanocomposites (T-UCNPs@Ce6@mSiO2) with low heating effect and deep penetration has been successfully constructed for targeted ...

journal_title：Biomaterials

authors： Zeng L,Pan Y,Zou R,Zhang J,Tian Y,Teng Z,Wang S,Ren W,Xiao X,Zhang J,Zhang L,Li A,Lu G,Wu A

更新日期：2016-10-01 00:00:00

abstract：:A UV-hardening lacquer material based on polyurethane, used in Philips compact disc lens systems, was tested as suitable material for low-cost intraocular lenses (IOLs). A slightly changed composition (code number I-0.5A) came out as the best and was subsequently tested, with reference to poly(methyl methacrylate) (PM...

journal_title：Biomaterials

authors： Jongebloed WL,van der Veen G,Kalicharan D,van Andel MV,Bartman G,Worst JG

更新日期：1994-08-01 00:00:00

abstract：:Current tissue engineering strategies are focused on the restoration of pathologically altered tissue architecture by transplantation of cells in combination with supportive scaffolds and biomolecules. In recent years, considerable attention has been given to chitosan (CS)-based materials and their applications in the...

journal_title：Biomaterials

authors： Di Martino A,Sittinger M,Risbud MV

更新日期：2005-10-01 00:00:00

abstract：:Tissue engineering scaffolds with complex geometries can provide an architecture that directs tissue formation. Drug delivery from these scaffolds to promote regeneration is often challenging due to the complex fabrication processes. Surface-mediated DNA delivery from multiple channel bridges was applied to deliver li...

journal_title：Biomaterials

authors： De Laporte L,Yan AL,Shea LD

更新日期：2009-04-01 00:00:00

abstract：:A tissue-engineered substitute that facilitates large-volume regeneration of the subcutaneous adipose tissue layer is needed for reconstructive plastic surgery. Towards this goal, we describe the in vitro culture of primary human adipose-derived stem cells (ASC) seeded into placental decellular matrix (PDM) and cross-...

journal_title：Biomaterials

authors： Flynn LE,Prestwich GD,Semple JL,Woodhouse KA

更新日期：2008-04-01 00:00:00

abstract：:We compared the osteogenic response in porous alumni (Al) and hydroxyapatite coated porous alumni ceramic (HA/Al) by grafting rat bone marrow cells with these implants subcutaneously in the back of syngeneic rats. The ceramics did not show any bone formation without marrow, but did when combined with marrow cells. The...

journal_title：Biomaterials

authors： Takaoka T,Okumura M,Ohgushi H,Inoue K,Takakura Y,Tamai S

更新日期：1996-08-01 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：:Alginate hydrogels are used extensively in cell encapsulation, cell transplantation, and tissue engineering applications. Alginates possess many favorable properties required in biomaterials, but are unable to specifically interact with mammalian cells. We have therefore covalently modified alginate polysaccharides wi...

journal_title：Biomaterials

authors： Rowley JA,Madlambayan G,Mooney DJ

更新日期：1999-01-01 00:00:00

abstract：:The photodynamic activity of a carrier-sensitizer system consisting of heterotopic colloidal nanoparticles (diameter 100-1000 nm) of a cationic amphiphilic cyclodextrin, heptakis(2-omega-amino-O-oligo(ethylene oxide)-6-hexylthio)-beta-CD (SC6CDNH2) encapsulating the anionic 5,10,15,20-tetrakis(4-sulfonatophenyl)-21H,2...

journal_title：Biomaterials

authors： Sortino S,Mazzaglia A,Monsù Scolaro L,Marino Merlo F,Valveri V,Sciortino MT

更新日期：2006-08-01 00:00:00

abstract：:Breast cancer is associated with high mortality due to tumor metastasis. The anti-metastasis efficacy of photochemotherapy is strictly limited by poor targeting capability with respect to circulating tumor cells (CTCs) in blood and lymph. Herein, we decorate the platelet membrane (PM) on a surface of nanoparticles (NP...

journal_title：Biomaterials

authors： Ye H,Wang K,Wang M,Liu R,Song H,Li N,Lu Q,Zhang W,Du Y,Yang W,Zhong L,Wang Y,Yu B,Wang H,Kan Q,Zhang H,Wang Y,He Z,Sun J

更新日期：2019-06-01 00:00:00

abstract：:Understanding mechanisms that govern cell fate determination of human induced pluripotent stem cells (hiPSCs) could assist in maintenance of the undifferentiated state during cell expansion. We used polyamidoamine dendrimer surfaces with first-generation (G1), third-generation (G3) and fifth-generation (G5) of dendron...

journal_title：Biomaterials

authors： Kim MH,Kino-oka M

更新日期：2014-07-01 00:00:00

abstract：:In vitro protein adsorption, platelet adhesion and activation on new hydrogel surfaces, composed of poly(ethylene oxide) (PEO) and poly(tetramethylene oxide) (PTMO) or poly(dimethyl siloxane) (PDMS), were investigated. By varying PEO length (MW = 2000 or 3400), hydrophobic components (PTMO or PDMS) or polymer topology...

journal_title：Biomaterials

authors： Park JH,Bae YH

更新日期：2002-04-01 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：:Hyaluronan (HL), a naturally occurring glycosaminoglycan, has been chemically modified through the esterification of its carboxylic groups with different types of alcohol. The physico-chemical properties of these new biopolymers allow the preparation of many biomaterials which may be used in several medical applicatio...

journal_title：Biomaterials

authors： Benedetti L,Cortivo R,Berti T,Berti A,Pea F,Mazzo M,Moras M,Abatangelo G

更新日期：1993-12-01 00:00:00