Crystal structure characterization of nautilus shell at different length scales.

abstract：:Hepatocytes are anchorage-dependent cells sensitive to microenvironment; the control of the physicochemical properties of the extra-cellular matrices may be useful to the maintenance of hepatocyte functions in vitro for various applications. In a microcapsule-based 3-D hepatocyte culture microenvironment, we could con...

journal_title：Biomaterials

authors： Ng S,Wu YN,Zhou Y,Toh YE,Ho ZZ,Chia SM,Zhu JH,Mao HQ,Yu H

更新日期：2005-06-01 00:00:00

abstract：OBJECT:Allogenic human fascia lata used in neurosurgery, as dura mater substitute, can be associated with a risk of viral and bacterial transmission. Chemical and physical procedures, developed to inactivate virus and bacteria, have been applied to fascia lata. The aim of this study consists in the evaluation of the bi...

journal_title：Biomaterials

authors： Dufrane D,Cornu O,Delloye C,Schneider YJ

更新日期：2002-07-01 00:00:00

abstract：:The stability of some water alginates against bacterial degradation was studied. The study was based on viscosity and pH measurements of some typical alginate solutions, containing suitable additives during an extended time period (222 days). ...

journal_title：Biomaterials

authors： Polyzois GL,Andreopoulos AG

更新日期：1985-01-01 00:00:00

abstract：:Impaction grafting using morsellised allograft bone restores bone stock, but carries the potential for transmission of infection. Synthetic bone graft substitutes can eliminate this risk but may, however, influence outcome. In this study we tested the hypothesis that a 50/50 mix of hydroxyapatite and allograft does no...

journal_title：Biomaterials

authors： Aulakh TS,Jayasekera N,Kuiper JH,Richardson JB

更新日期：2009-03-01 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：:This study suggests a novel method of stabilizing fragile porcine islets to prevent the dissociation after isolation and reducing immune cell invasion in a combination therapy of 'surface camouflaging' and immunosuppressive drugs (FK506, Rapamycin, MR-1, anti-CD19 mAb, and Clodrosome(®)) to effectively alleviate overa...

journal_title：Biomaterials

authors： Haque MR,Jeong JH,Byun Y

更新日期：2016-04-01 00:00:00

abstract：:This study examines the early shrinkage behaviour of dental composite resins, and in particular the interfacial stresses around the margins of a composite restoration. The development of stresses at the restoration-tooth interface can have a detrimental effect on the longevity of a restoration. The influence of this i...

journal_title：Biomaterials

authors： Ensaff H,O'Doherty DM,Jacobsen PH

更新日期：2001-12-01 00:00:00

abstract：:IR-780 iodide, a near-infrared fluorescent heptamethine dye, has been recently characterized to exhibit preferential accumulation property in the mitochondria of tumor cells. In this study, we investigated the possible mechanisms for its tumor selective activity and its potential as a drug delivery carrier. Results sh...

journal_title：Biomaterials

authors： Zhang E,Luo S,Tan X,Shi C

更新日期：2014-01-01 00:00:00

abstract：:We investigated the bioactivity of new chitosan-based multi-membrane hydrogel (MMH) architectures towards chondrocyte-like cells. The microstructure of the hydrogels constituting the membranes precludes any living cell penetration, whereas their lower scale architecture allows the protein diffusion. The biological beh...

journal_title：Biomaterials

authors： Ladet SG,Tahiri K,Montembault AS,Domard AJ,Corvol MT

更新日期：2011-08-01 00:00:00

abstract：:As double stranded, single stranded siRNA (ss-siRNA) has demonstrated gene silencing activity but still requires efficient carriers to reach its cytoplasmic target. To better understand the fundamental aspect driving the complexation of ss-siRNA with nanocarriers, the interactions between surfaces of various compositi...

journal_title：Biomaterials

authors： Giraud L,Viricel W,Leblond J,Giasson S

更新日期：2017-01-01 00:00:00

abstract：:The in vivo cellular microenvironment is regulated by a complex interplay of soluble factors and signaling molecules secreted by cells and it plays a critical role in the growth and development of normal and diseased tissues. In vitro systems that can recapitulate the microenvironment at the cellular level are needed ...

journal_title：Biomaterials

authors： Chandrasekaran S,Giang UB,King MR,DeLouise LA

更新日期：2011-10-01 00:00:00

abstract：:CD47, a "don't eat me" signal, is over-expressed on the surface of most tumors that interacts with signal regulatory protein α (SIRPα) on phagocytic cells. By engaging SIRPα, CD47 limits the ability of macrophages to engulf tumor cells, which acts as a major phagocytic barrier. In this study, we developed an exosome-b...

journal_title：Biomaterials

authors： Koh E,Lee EJ,Nam GH,Hong Y,Cho E,Yang Y,Kim IS

更新日期：2017-03-01 00:00:00

abstract：:The development of synthetic hydrogels analogs for the extracellular matrix has proven a useful and important tool to study the role of specific signals on biological outcomes in vitro and to serve as scaffolds for tissue repair. Although the importance of physical properties (e.g. microstructure and stiffness) in the...

journal_title：Biomaterials

authors： Darling NJ,Hung YS,Sharma S,Segura T

更新日期：2016-09-01 00:00:00

abstract：:Decellularized extracellular matrices (ECM) from in vitro cell cultures can serve as in vivo-like matrix scaffolds for modulating cell-ECM interactions. Macromolecular crowding (MMC), the supplementation of synthetic or naturally occurring molecules resulting in excluded volume effects (EVE), has been demonstrated to ...

journal_title：Biomaterials

authors： Prewitz MC,Stißel A,Friedrichs J,Träber N,Vogler S,Bornhäuser M,Werner C

更新日期：2015-12-01 00:00:00

abstract：:Bioengineering of whole hearts using human embryonic stem cells (hESCs)-derived cardiovascular progenitor cells (CPCs) and natural matrices is a promising approach to overcome organ donor shortage threatening millions of patients awaiting for heart transplantation. Here, we developed a novel strategy for generation of...

journal_title：Biomaterials

authors： Rajabi S,Pahlavan S,Ashtiani MK,Ansari H,Abbasalizadeh S,Sayahpour FA,Varzideh F,Kostin S,Aghdami N,Braun T,Baharvand H

更新日期：2018-02-01 00:00:00

abstract：:The immune system is a powerful resource for the eradication of cancer, but to overcome the low immunogenicity of tumor cells, a sufficiently strong CD8(+) T cell-mediated adaptive immune response is required. Nanoparticulate biomaterials represent a potentially effective delivery system for cancer vaccines, as they c...

journal_title：Biomaterials

authors： Molino NM,Neek M,Tucker JA,Nelson EL,Wang SW

更新日期：2016-04-01 00:00:00

abstract：:The engineering of functional skeletal muscle tissue substitutes holds promise for the treatment of various muscular diseases and injuries. However, no tissue fabrication technology currently exists for the generation of a relatively large and thick bioartificial muscle made of densely packed, uniformly aligned, and d...

journal_title：Biomaterials

authors： Bian W,Bursac N

更新日期：2009-03-01 00:00:00

abstract：:Pancreatic cancer has the worst prognosis of all cancers due to disease aggressiveness and paucity of early detection platforms. We developed biomaterial scaffolds that recruit metastatic tumor cells and reflect the immune dysregulation of native metastatic sites. While this platform has shown promise in orthotopic br...

journal_title：Biomaterials

authors： Bushnell GG,Orbach SM,Ma JA,Crawford HC,Wicha MS,Jeruss JS,Shea LD

更新日期：2020-12-23 00:00:00

abstract：:The neutrophil polarization assay, a technique used to measure chemotaxis, was adapted to examine complement activation. Complement activation in serum which had been incubated with metallic and polymeric biomaterials was examined using the neutrophil polarization assay and immunoelectrophoresis assay. In agreement wi...

journal_title：Biomaterials

authors： Remes A,Williams DF

更新日期：1991-08-01 00:00:00

abstract：:A series of segmented polydimethylsiloxane (PDMS) polyurea-urethanes was synthesized based on hexane diisocyanate modified polyether-PDMS soft segments. The hard segments consisted of 4,4'-methylene diphenylene diisocyanate, which was chain extended with 1,4-butanediol. The effect of chemical composition of the polyet...

journal_title：Biomaterials

authors： Lim F,Yang CZ,Cooper SL

更新日期：1994-05-01 00:00:00

abstract：:Efficacy of different chemical treatments on calcification of vascular graft in vitro and in vivo was studied. Culture medium-filled rat aortas were separately treated in 0.2% glutaraldehyde and epoxy compound, and photooxidized in 0.01% methylene blue for a shorter period (group 1). Another group of rat aortas were s...

journal_title：Biomaterials

authors： Chanda J,Kondoh K,Ijima K,Matsukawa M,Kuribayashi R

更新日期：1998-09-01 00:00:00

abstract：:The aim of this study was to investigate the potential protective role of fullerenol C60(OH)24 on doxorubicin-induced liver toxicity using in vivo (female Sprague-Dawley rats) and in vitro (human hepatocellular carcinoma - HepG2; colorectal adenocarcinoma cell lines - Caco-2) approaches. The first (healthy control) an...

journal_title：Biomaterials

authors： Injac R,Perse M,Obermajer N,Djordjevic-Milic V,Prijatelj M,Djordjevic A,Cerar A,Strukelj B

更新日期：2008-08-01 00:00:00

abstract：:Adhesion of tissue cells is a prerequisite for their growth and differentiation but prevents also apoptosis. Here the layer-by-layer technique (LbL) was used to design multilayer structures of poly(ethylene imine) (PEI) and heparin (HEP) on glass as model biomaterial to control the adhesion of primary human dermal fib...

journal_title：Biomaterials

authors： Niepel MS,Peschel D,Sisquella X,Planell JA,Groth T

更新日期：2009-10-01 00:00:00

abstract：:Monocytes/Macrophages have long been recognized as key players in inflammation and wound healing and are often employed in vitro to gain an understanding of the inflammatory response to biomaterials. Previous work has demonstrated a drastic decrease in primary monocyte adherent density on biomaterial surfaces coupled ...

journal_title：Biomaterials

authors： Waldeck H,Wang X,Joyce E,Kao WJ

更新日期：2012-01-01 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：:Lung fibrosis is a poor prognostic factor for pulmonary adenocarcinoma, and the effect of a rigid microenvironment on cancer behavior is unclear. We cultured A549 cells on matrices of 0.2, 2, and 25 kPa to mimic the rigidities of normal lung parenchyma, progressive fibrotic change, and lung fibrosis, respectively. Lun...

journal_title：Biomaterials

authors： Chang CC,Hsieh TL,Tiong TY,Hsiao CH,Ji AT,Hsu WT,Lee OK,Ho JH

更新日期：2015-08-01 00:00:00

abstract：:The development of three-dimensional (3D) biomimetic scaffolds which provide an optimal environment for cells adhesion, proliferation and differentiation, and guide new tissue formation has been one of the major goals in tissue engineering. In this work, a processing technique has been developed to create 3D nanofibro...

journal_title：Biomaterials

authors： Liu X,Ma PX

更新日期：2009-09-01 00:00:00

abstract：:Restoration of tissue integrity and tissue function of wounded skin are both essential for wound repair and regeneration, while synergistic promotion of the two remains elusive. Since elevated reactive oxygen species (ROS) production in the injured site has been implicated in triggering a set of deleterious effects su...

journal_title：Biomaterials

authors： Wu H,Li F,Wang S,Lu J,Li J,Du Y,Sun X,Chen X,Gao J,Ling D

更新日期：2018-01-01 00:00:00

abstract：:We investigated the feasibility and efficacy of target thrombolysis with recombinant tissue plasminogen activator (rtPA) covalently bound to magnetic nanoparticle (MNP) and retained to the target site in vivo by an external magnet. Polyacrylic acid-coated magnetite (PAA-MNP, 246 nm) was synthesized and characterized; ...

journal_title：Biomaterials

authors： Ma YH,Wu SY,Wu T,Chang YJ,Hua MY,Chen JP

更新日期：2009-07-01 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