Encapsulation of individual living cells with enzyme responsive polymer nanoshell.

abstract：:One of the potential factors that may affect the results of mesenchymal stem cell (MSC)-based therapy is the age of donors and recipients. However, there have been no controlled studies to investigate the influence of skeletal maturity on the MSC-based repair of cartilage. The purpose of this study was to compare the ...

journal_title：Biomaterials

authors： Shimomura K,Ando W,Tateishi K,Nansai R,Fujie H,Hart DA,Kohda H,Kita K,Kanamoto T,Mae T,Nakata K,Shino K,Yoshikawa H,Nakamura N

更新日期：2010-11-01 00:00:00

abstract：:As materials are produced at smaller scales, the properties that make them especially useful for biological applications such as drug delivery, imaging or sensing applications also render them potentially harmful. There has been a reasonable amount of work addressing the interactions of biological fluids at material s...

journal_title：Biomaterials

authors： Ehrenberg MS,Friedman AE,Finkelstein JN,Oberdörster G,McGrath JL

更新日期：2009-02-01 00:00:00

abstract：:A "room-temperature" injection molding approach combined with particulate leaching (RTIM/PL) has been, for the first time, developed in this work to fabricate three-dimensional porous scaffolds composed of biodegradable polyesters for tissue engineering. In this approach, a "wet" composite of particulate/polymer/solve...

journal_title：Biomaterials

authors： Wu L,Jing D,Ding J

更新日期：2006-01-01 00:00:00

abstract：:Brain tissue inflammatory responses, including neuronal loss and gliosis at the neural electrode/tissue interface, limit the recording stability and longevity of neural probes. The neural adhesion molecule L1 specifically promotes neurite outgrowth and neuronal survival. In this study, we covalently immobilized L1 on ...

journal_title：Biomaterials

authors： Azemi E,Lagenaur CF,Cui XT

更新日期：2011-01-01 00:00:00

abstract：:The adsorption of chondroitin-4-sulphate (C4S) and heparin onto titanium has been studied in the absence and presence of bovine serum albumin (BSA). Isotherm data (0.02 M calcium acetate, pH 6.8) have shown that BSA in solution and BSA-coated titanium result in decreased adsorption for both C4S and heparin. For the BS...

journal_title：Biomaterials

authors： Hughes Wassell DT,Embery G

更新日期：1997-08-01 00:00:00

abstract：:Local contact stresses at the bone-cement interface are thought to play an important role in the initiation of component loosening. A reduced-modulus bone cement can lower these local contact stresses. The viscoelastic properties of such a cement raised the question of long term subsidence of the implant system. In th...

journal_title：Biomaterials

authors： Yetkinler DN,Litsky AS

更新日期：1998-09-01 00:00:00

abstract：:Nano-scale modification of a segmented polyurethane (SPU) with cross-linked 2-methacryloyloxyethyl phosphorylcholine (MPC) polymer was performed to obtain a biocompatible elastomer. To control the domain size and the depth of the modified layer, various compositions of monomers, including MPC, 2-ethylhexyl methacrylat...

journal_title：Biomaterials

authors： Morimoto N,Watanabe A,Iwasaki Y,Akiyoshi K,Ishihara K

更新日期：2004-10-01 00:00:00

abstract：:A variety of bioactive composites have been investigated over the last two decades as substitute materials for diseased or damaged tissues in the human body. In this paper, the rationale and strategy of developing these composites are given. Major factors influencing the production and performance of bioactive composi...

journal_title：Biomaterials

authors： Wang M

更新日期：2003-06-01 00:00:00

abstract：:Impurity centers associated with silicon have been observed in the phase mixture of silicon substituted apatite (Si-Ap) and silicon stabilized tricalcium phosphate (Si-TCP) using electron spin resonance (ESR). Two unique centers occur upon addition of SiO2 to the calcium phosphate system: an orthorhombic center with g...

journal_title：Biomaterials

authors： Pietak AM,Reid JW,Sayer M

更新日期：2005-06-01 00:00:00

abstract：:The present study deals with the synthesis and characterization of radiopaque polymers which could, when solubilized in an appropriate water-miscible solvent, be useful embolic materials for the treatment of cerebral aneurysms and arteriovenous malformations. For this purpose cellulose (both microcrystalline and powde...

journal_title：Biomaterials

authors： Mottu F,Rüfenacht DA,Laurent A,Doelker E

更新日期：2002-01-01 00:00:00

abstract：:The curing time dependence of the tear energy, tensile strength and ultimate extension ratio of a range of characterized elastomeric impression materials was investigated. This variation of tensile strength and ultimate extension ratio was correlated with the development of the network structure. The tear energy showe...

journal_title：Biomaterials

authors： Cook WD,Liem F,Russo P,Scheiner M,Simkiss G,Woodruff P

更新日期：1984-09-01 00:00:00

abstract：:3D printing is known as a cost-effective technique that shows huge potential in fabrication of graft substitutes for bone tissue regeneration. However, the tradeoff between 3D printability, mechanical strength and bioactivity of the printed materials (i.e., inks) remains a challenge. In this work, we present a novel p...

journal_title：Biomaterials

authors： Yang Y,Zhang Q,Xu T,Zhang H,Zhang M,Lu L,Hao Y,Fuh JH,Zhao X

更新日期：2020-12-01 00:00:00

abstract：:Chitin grafted with poly(acrylic acid) (chitin-PAA) was prepared with the aim of obtaining a hydrogel characteristic for wound dressing application. The chitin-PAA films were synthesized at various acrylic acid feed contents to investigate its effect on water sorption ability. Acrylic acid (AA) was first linked to chi...

journal_title：Biomaterials

authors： Tanodekaew S,Prasitsilp M,Swasdison S,Thavornyutikarn B,Pothsree T,Pateepasen R

更新日期：2004-03-01 00:00:00

abstract：:Redox-sensitive non-viral delivery systems exploit intracellular reducing environment to improve the efficacy of the delivery of nucleic acids by selectively releasing the cargo in the subcellular space. Bcl-2 overexpression is frequently observed in human cancers and is closely associated with increased resistance to...

journal_title：Biomaterials

authors： Manickam DS,Hirata A,Putt DA,Lash LH,Hirata F,Oupický D

更新日期：2008-06-01 00:00:00

abstract：:Unhealed chronic wounds often deteriorate into multiple infection with several kinds of bacteria and excessive proteolytic wound exudate and remains one of the common healthcare issues. Here, the functional and antimicrobial hydrogel and cryogel biomaterials were prepared from glycol chitosan and a novel biodegradable...

journal_title：Biomaterials

authors： Chen TY,Wen TK,Dai NT,Hsu SH

更新日期：2020-12-16 00:00:00

abstract：:Hydroxy-fluorapatites (OH-FAps) occur biologically in teeth and form the basis for application as biomaterials. This work aims to synthesize a series of fluoride substituted calcium hydroxyapatites (OHAps) to determine how fluoride influences the synthesis and the resulting characteristics of solid solutions. OH-FAPs ...

journal_title：Biomaterials

authors： Rodríguez-Lorenzo LM,Hart JN,Gross KA

更新日期：2003-09-01 00:00:00

abstract：:Astroglial cell survival and ion channel activity are relevant molecular targets for the mechanistic study of neural cell interactions with biomaterials and/or electronic interfaces. Astrogliosis is the most typical reaction to in vivo brain implants and needs to be avoided by developing biomaterials that preserve ast...

journal_title：Biomaterials

authors： Benfenati V,Toffanin S,Capelli R,Camassa LM,Ferroni S,Kaplan DL,Omenetto FG,Muccini M,Zamboni R

更新日期：2010-11-01 00:00:00

abstract：:Native extracellular matrix (ECM) that is secreted and maintained by resident cells is of great interest for cell culture and cell delivery. We hypothesized that specialized bioengineered niches for stem cells can be established using ECM-derived scaffolding materials. Kidney was selected as a model system because of ...

journal_title：Biomaterials

authors： O'Neill JD,Freytes DO,Anandappa AJ,Oliver JA,Vunjak-Novakovic GV

更新日期：2013-12-01 00:00:00

abstract：:This study reports the effect of varying the thickness of a commercial zinc polycarboxylate dental cement on its adhesion in a metal-to-metal single lap joint. The thickness was controlled externally in a specially designed apparatus, rather than by the inclusion of isodimensional glass spheres, as has been done previ...

journal_title：Biomaterials

authors： Akinmade AO,Nicholson JW

更新日期：1995-01-01 00:00:00

abstract：:Rare-earth upconversion nanoparticles (UCNP) which can absorb low-energy photons and emit high energy photons have attracted great interest not only because of their unique application in upconversion luminescence imaging, but also because they can be used as ideal building blocks for multimodal bioimaging probes. Imp...

journal_title：Biomaterials

authors： Liu Q,Chen M,Sun Y,Chen G,Yang T,Gao Y,Zhang X,Li F

更新日期：2011-11-01 00:00:00

abstract：:To study the effect of ionizable functional groups on the adhesion of leucocytes to surfaces, both poly(ethyleneimine) and poly(acrylic acid) were immobilized on polyurethane films, resulting in the introduction of amine and carboxylic acid groups, respectively. This was confirmed by contact angle measurements and XPS...

journal_title：Biomaterials

authors： Bruil A,Terlingen JG,Beugeling T,van Aken WG,Feijen J

更新日期：1992-01-01 00:00:00

abstract：:Mesenchymal stromal cells (hMSCs) are advancing into the clinic but the therapeutic efficacy of hMSCs faces the problem of donor variability. In bone tissue engineering, no reliable markers have been identified which are able to predict the bone-forming capacity of hMSCs prior to implantation. To this end, we isolated...

journal_title：Biomaterials

authors： Mentink A,Hulsman M,Groen N,Licht R,Dechering KJ,van der Stok J,Alves HA,Dhert WJ,van Someren EP,Reinders MJ,van Blitterswijk CA,de Boer J

更新日期：2013-06-01 00:00:00

abstract：:Branched poly ethylene imine (PEI) has been considered as the most efficient non-viral gene transfection agent. However, its clinical application is confined due to cytotoxicity. In the present study, we tried to enhance transfection efficiency and reduce toxicity of PEI by conjugating it with arginine modified oligo(...

journal_title：Biomaterials

authors： Morris VB,Sharma CP

更新日期：2010-11-01 00:00:00

abstract：:A major obstacle in the survival and efficacy of tissue engineered transplants is inadequate oxygenation, whereby unsupportive oxygen tensions result in significant cellular dysfunction and death within the implant. In a previous report, we developed an innovative oxygen generating biomaterial, termed OxySite, to prov...

journal_title：Biomaterials

authors： Coronel MM,Geusz R,Stabler CL

更新日期：2017-06-01 00:00:00

abstract：:Dental amalgam prepared from high copper and conventional alloys was evaluated for its compressive strength as a function of deformation rate. Results showed that the compressive strength rose to a maximum as deformation rate increased and then began to fall at higher deformation rates. Crack propagation predominated ...

journal_title：Biomaterials

authors： Zardiackas LD,Anderson L Jr

更新日期：1986-07-01 00:00:00

abstract：:Remote microactuators are of great interest in biology and medicine as minimally-invasive tools for cellular stimulation. Remote actuation can be achieved by active magnetostrictive transducers which are capable of changing shape in response to external magnetic fields thereby creating controlled displacements. Among ...

journal_title：Biomaterials

authors： Vargas-Estevez C,Blanquer A,Dulal P,Pérez Del Real R,Duch M,Ibáñez E,Barrios L,Murillo G,Torras N,Nogués C,Stadler BJH,Plaza JA,Esteve J

更新日期：2017-09-01 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：:Exploring the interactions between the immune system and nanomaterials (NMs) is critical for designing effective and safe NMs, but large knowledge gaps remain to be filled prior to clinical applications (e.g., immunotherapy). The lack of databases on interactions between the immune system and NMs affects the discovery...

journal_title：Biomaterials

authors： Feng R,Yu F,Xu J,Hu X

更新日期：2021-01-01 00:00:00

abstract：:The aminohexyl derivative of the copolymer of 2-hydroxyethyl methacrylate and ethylene dimethacrylate (p(HEMA)-Hex) in the form of regular spherical particles was used as a polymeric carrier for chemically sorbed methotrexate (MTX). The effect of the washed p(HEMA)-Hex-MTX carrier on the morphological structure of don...

journal_title：Biomaterials

authors： Horák D,Svec F,Adamyan A,Titova M,Skuba N,Voronkova O,Trostenyuk N,Vishnevskii V,Gumargalieva K

更新日期：1992-01-01 00:00:00

abstract：:Although dendritic nanoparticles have been prepared by many different methods, control over their degree of branching (DB) is still impossible, preventing us from understanding the effect of the DB on the properties of the nanodendrites as cancer therapeutics. Herein, we developed a novel seed-mediated method to prepa...

journal_title：Biomaterials

authors： Qiu P,Yang M,Qu X,Huai Y,Zhu Y,Mao C

更新日期：2016-10-01 00:00:00