Novel collagen scaffolds with predefined internal morphology made by solid freeform fabrication.

abstract：:The objective of this study was to investigate the effect of repeated applications of a neutral NaF solution on the surface roughness of four conventional glass ionomer cements (GIC) (ChemFil Superior encapsulated, Fuji Cap II, Ketac-Fil and Hi Dense), three resin-modified (RM-) GIC (Fuji II LC encapsulated, Photac-Fi...

journal_title：Biomaterials

authors： De Witte AM,De Maeyer EA,Verbeeck RM

更新日期：2003-05-01 00:00:00

abstract：:Human stem cells are vulnerable to unfavorable conditions, and their transportation relies on costly and inconvenient cryopreservation. We report here that human mesenchymal stem cells (MSC) in spheroids survived ambient conditions (AC) many days longer than in monolayer. Under AC, the viability of MSC in spheroids re...

journal_title：Biomaterials

authors： Jiang B,Yan L,Miao Z,Li E,Wong KH,Xu RH

更新日期：2017-07-01 00:00:00

abstract：:The porous TiO2/perlite composite Ecopore is a synthetic biomaterial with possible clinical application in bone substitution. In our previous work, we demonstrated that surface modification of Ecopore with fibronectin (FN) enhanced spreading and growth of human osteoblasts in vitro. In the present study, we implanted ...

journal_title：Biomaterials

authors： Erli HJ,Rüger M,Ragoss C,Jahnen-Dechent W,Hollander DA,Paar O,von Walter M

更新日期：2006-03-01 00:00:00

abstract：:Current synthetic vascular grafts possess a significant mechanical mismatch compared to the native vasculature and do not permit endothelialization; both of these deficiencies contribute to the relatively high rate of failure of many synthetic grafts. In this communication, we report the modification of polyurethane (...

journal_title：Biomaterials

authors： Chuang TW,Masters KS

更新日期：2009-10-01 00:00:00

abstract：:Understanding how engineered tissue scaffold architecture affects cell morphology, metabolism, phenotypic expression, as well as predicting material mechanical behavior has recently received increased attention. In the present study, an image-based analysis approach that provides an automated tool to characterize engi...

journal_title：Biomaterials

authors： D'Amore A,Stella JA,Wagner WR,Sacks MS

更新日期：2010-07-01 00:00:00

abstract：:Hydrogel materials that display inherent activity against bacteria can be used to directly treat accessible wounds to prevent or kill existing infection. Hydrogels composed of self-assembling β-hairpin peptides, having a high content of arginine, were found to be extremely effective at killing both gram-positive and g...

journal_title：Biomaterials

authors： Veiga AS,Sinthuvanich C,Gaspar D,Franquelim HG,Castanho MA,Schneider JP

更新日期：2012-12-01 00:00:00

abstract：:Because of the ability to induce cell death in certain conditions, the fullerenes (C(60)) are potential anticancer and toxic agents. The colloidal suspension of crystalline C(60) (nano-C(60), nC(60)) is extremely toxic, but the mechanisms of its cytotoxicity are not completely understood. By combining experimental ana...

journal_title：Biomaterials

authors： Markovic Z,Todorovic-Markovic B,Kleut D,Nikolic N,Vranjes-Djuric S,Misirkic M,Vucicevic L,Janjetovic K,Isakovic A,Harhaji L,Babic-Stojic B,Dramicanin M,Trajkovic V

更新日期：2007-12-01 00:00:00

abstract：:We report a reducible copolymer self-assembled with superparamagnetic iron oxide nanoparticles (SPIONs) to deliver doxorubicin (DOX) for cancer therapy. The copolymer of reducible polyamidoamine (rPAA) with poly(ethylene glycol)(PEG)/dodecyl amine graft was synthesized by Michael addition. rPAA@SPIONs were formed by t...

journal_title：Biomaterials

authors： Chen J,Shi M,Liu P,Ko A,Zhong W,Liao W,Xing MM

更新日期：2014-01-01 00:00:00

abstract：:Two new absorbable monofilament suture materials polydioxanone and Maxon are being employed increasingly in abdominal surgery because of increased strength retention and decreased tissue reactivity compared with previously available materials. As part of our investigation of the behaviour of suture materials, 3-0 sutu...

journal_title：Biomaterials

authors： Metz SA,Chegini N,Masterson BJ

更新日期：1990-01-01 00:00:00

abstract：:The ligand-tethered poly(ethylene oxide-propylene oxide-ethylene oxide) (PEO-PPO-PEO) triblock copolymer was explored to engineer poly(DL-lactic acid) (PDL-LA) material to promote cell attachment and growth. The PEO-PPO-PEO was activated by methyl sulfonyl chloride and the amino acid, and peptide were attached. By ble...

journal_title：Biomaterials

authors： Ji J,Zhu H,Shen J

更新日期：2004-05-01 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：:Multifunctional nanoparticles integrated with imaging modalities (such as magnetic resonance and optical) and therapeutic drugs are promising candidates for future cancer diagnostics and therapy. While targeted drug delivery and imaging of tumor cells have been the major focus in engineering nanoparticle probes, no ex...

journal_title：Biomaterials

authors： Mitra RN,Doshi M,Zhang X,Tyus JC,Bengtsson N,Fletcher S,Page BD,Turkson J,Gesquiere AJ,Gunning PT,Walter GA,Santra S

更新日期：2012-02-01 00:00:00

abstract：:Intravascular catheter-associated infections (CAIs), which are normally induced by microbial adhesion and subsequent biofilm formation, are a major cause of morbidity and mortality. Therefore, strategies to prevent CAIs are in great demand. In this study, a series of diblock copolymers of PEG and cationic polycarbonat...

journal_title：Biomaterials

authors： Ding X,Yang C,Lim TP,Hsu LY,Engler AC,Hedrick JL,Yang YY

更新日期：2012-10-01 00:00:00

abstract：:Gold nanoparticles have been conceived as a radiosensitizer in cancer radiation therapy, but one of the important questions for primary drug screening is what size of gold nanoparticles can optimally enhance radiation effects. Herein, we perform in vitro and in vivo radiosensitization studies of 4.8, 12.1, 27.3, and 4...

journal_title：Biomaterials

authors： Zhang XD,Wu D,Shen X,Chen J,Sun YM,Liu PX,Liang XJ

更新日期：2012-09-01 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：:Effective global control of tuberculosis (TB) is increasingly threatened by the convergence of multidrug-resistant TB and the human immunodeficiency virus (HIV) infection. TB/HIV coinfections exert a tremendous burden on the host's immune system, and this has prompted the clinical use of immunomodulators to enhance ho...

journal_title：Biomaterials

authors： Wang Y,Ke XY,Khara JS,Bahety P,Liu S,Seow SV,Yang YY,Ee PL

更新日期：2014-03-01 00:00:00

abstract：:We have developed an ion-sensing nanoparticle that is comprised of a superparamagnetic iron oxide (SPIO) core encapsulated with a porous silica shell. The latter can be readily anchored with ligands capable of coordinating with positron-emitting metal. Evidently, this nanoparticle has a great potential for use in cell...

journal_title：Biomaterials

authors： Patel D,Kell A,Simard B,Deng J,Xiang B,Lin HY,Gruwel M,Tian G

更新日期：2010-04-01 00:00:00

abstract：:We report here a thermal decomposition approach to the synthesis of water-soluble superparamagnetic manganese ferrite (MnFe(2)O(4)) nanoparticles (NPs) for magnetic resonance (MR) imaging applications. In this approach, tetraethylene glycol was utilized as a coordination and stabilization agent, rendering the NPs wate...

journal_title：Biomaterials

authors： Yang H,Zhang C,Shi X,Hu H,Du X,Fang Y,Ma Y,Wu H,Yang S

更新日期：2010-05-01 00:00:00

abstract：:The design of synthetic polymers may affect structural features of inflammatory cells, for example the expression of endogenous sugar receptor molecules like lectins in macrophages and foreign body giant multinucleate cells. This characteristic was studied histochemically by use of biotinylated (neo)glycoproteins. The...

journal_title：Biomaterials

authors： Smetana K Jr,Gabius HJ,Vacík J,Jelínková M,Lukás J

更新日期：1995-10-01 00:00:00

abstract：:Biological surface engineering using synthetic biological materials has a great potential for advances in our understanding of complex biological phenomena. We developed a simple system to engineer biologically relevant surfaces using a combination of self-assembling oligopeptide monolayers and microcontact printing (...

journal_title：Biomaterials

authors： Zhang S,Yan L,Altman M,Lässle M,Nugent H,Frankel F,Lauffenburger DA,Whitesides GM,Rich A

更新日期：1999-07-01 00:00:00

abstract：:Polymers have been used to deliver therapeutic agents in a range of medical devices with drug eluting stents being the most widespread current application. Although polymers enable controlled release of a therapeutic agent, the polymeric surface has been reported to provide suboptimal biocompatibility and haemocompati...

journal_title：Biomaterials

authors： Simmons A,Padsalgikar AD,Ferris LM,Poole-Warren LA

更新日期：2008-07-01 00:00:00

abstract：:The concentrations of soluble copper and tin which were generated by the corrosion of a number of different amalgams in both an artificial saliva and Ringer's solution are reported. Besides variations in solution composition, the effects of solution agitation and abrasive particle wear upon the release of soluble spec...

journal_title：Biomaterials

authors： Mueller HJ,Edahl A

更新日期：1984-07-01 00:00:00

abstract：:A rapid and simple in vitro method is described which measures the extent of unrecoiled solids compression when a complex biopolymer is subjected to a centrifugal force. This method, termed the compaction assay, was used to assess the response of purulent cystic fibrosis (CF) sputum samples to the addition of recombin...

journal_title：Biomaterials

authors： Daugherty AL,Patapoff TW,Clark RC,Sinicropi DV,Mrsny RJ

更新日期：1995-05-01 00:00:00

abstract：:An increasing number of treatments of metastases rely on diagnostics and imaging these days. The facts that the activity of cathepsin B (CB) is markedly linked to the metastatic process and that CB is found highly expressed in the pericellular regions in this process make CB an attractive target for diagnosing metasta...

journal_title：Biomaterials

authors： Ryu JH,Na JH,Ko HK,You DG,Park S,Jun E,Yeom HJ,Seo DH,Park JH,Jeong SY,Kim IS,Kim BS,Kwon IC,Choi K,Kim K

更新日期：2014-02-01 00:00:00

abstract：:Capillary morphogenesis is a multistage, multicellular activity that plays a pivotal role in various developmental and pathological situations. In-depth understanding of the regulatory mechanism along with the capability of controlling the morphogenic process will have direct implications on tissue engineering and the...

journal_title：Biomaterials

authors： Sun J,Jamilpour N,Wang FY,Wong PK

更新日期：2014-03-01 00:00:00

abstract：:Boiling diluted alkali incubation was found to be an effective way to prepare bioactive Ti6Al4V surfaces, whether polished or not, as indicated in vitro after immersion in two different supersaturated calcification solutions (SCSs). The induction of calcium phosphate (Ca-P) precipitation from the SCSs is most probably...

journal_title：Biomaterials

authors： Wen HB,de Wijn JR,Cui FZ,de Groot K

更新日期：1998-01-01 00:00:00

abstract：:Canonical transient receptor potential channel 6 (TRPC6) can play an important role in governing how cells perceive the surrounding material environment and regulate Ca(2+) signaling. We have designed a TRPC6 reporter based on fluorescence resonance energy transfer (FRET) to visualize the TRPC6-mediated calcium entry ...

journal_title：Biomaterials

authors： Lei L,Lu S,Wang Y,Kim T,Mehta D,Wang Y

更新日期：2014-03-01 00:00:00

abstract：:Tissue engineering of clinical-relevant large tissue constructs remains a big challenge due to the mass transfer limit. A modular approach via the assembling of modular tissues thus eliminating the mass transfer limit holds great promise for fabricating centimeter-sized constructs. In the present study, we investigate...

journal_title：Biomaterials

authors： Chen M,Wang X,Ye Z,Zhang Y,Zhou Y,Tan WS

更新日期：2011-10-01 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：:Integrins represent the primary mechanism of cell-extracellular matrix interactions and control cell morphology, proliferation, and differentiation. We have previously shown that substrate-dependent modulation of adsorbed fibronectin (Fn) conformation alters alpha5beta1 integrin binding to Fn and directs C2C12 myoblas...

journal_title：Biomaterials

authors： Stephansson SN,Byers BA,García AJ

更新日期：2002-06-01 00:00:00