Convection-driven generation of long-range material gradients.

abstract：:Hydrogels provide three-dimensional frameworks with tissue-like elasticity and high permeability for culturing therapeutically relevant cells or tissues. While recent research efforts have created diverse macromer chemistry to form hydrogels, the mechanisms of hydrogel polymerization for in situ cell encapsulation rem...

journal_title：Biomaterials

authors： Lin CC,Raza A,Shih H

更新日期：2011-12-01 00:00:00

abstract：:Polymerized high internal phase emulsion (polyHIPE) foams are extremely versatile materials for investigating cell-substrate interactions in vitro. Foam morphologies can be controlled by polymerization conditions to result in either open or closed pore structures with different levels of connectivity, consequently ena...

journal_title：Biomaterials

authors： Viswanathan P,Ondeck MG,Chirasatitsin S,Ngamkham K,Reilly GC,Engler AJ,Battaglia G

更新日期：2015-06-01 00:00:00

abstract：:The in vivo properties of a new kind of calcium phosphate cement were investigated in this study. Calcium phosphate cement was implanted as paste into femoral bone and dorsal muscle of dogs for 3 and 6 months, and as prehardened form into thigh muscles of dogs for 1, 2 and 6 months. Histology was performed on thin un-...

journal_title：Biomaterials

authors： Yuan H,Li Y,de Bruijn JD,de Groot K,Zhang X

更新日期：2000-06-01 00:00:00

abstract：:We determined whether a two-part space-conforming polyethylene glycol/dopa polymer-based gel promoted healing of contaminated wounds in mice. This silver-catalysed gel was previously developed to be broadly microbiocidal in vitro while being biocompatible with human wound cell functioning. Full-thickness wounds were c...

journal_title：Biomaterials

authors： Yates CC,Whaley D,Babu R,Zhang J,Krishna P,Beckman E,Pasculle AW,Wells A

更新日期：2007-09-01 00:00:00

abstract：:Pituitary adenylate cyclase activating polypeptide (PACAP) is a neuroendocrine factor that activates both the receptor VPAC1 and VPAC2. Although PACAP possesses insulinotropic activity, its therapeutic application is limited by the extremely short acting half-life and the stimulatory effects on glucagon production via...

journal_title：Biomaterials

authors： Ma Y,Fang S,Zhao S,Wang X,Wang D,Ma M,Luo T,Hong A

更新日期：2015-05-01 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：:The ability to restore heart function by replacement of diseased myocardium is one of the great challenges in biomaterials and regenerative medicine. Brown adipose derived stem cells (BADSCs) present a new source of cardiomyocytes to regenerate the myocardium after infarction. In this study, we explored an injectable ...

journal_title：Biomaterials

authors： Wang H,Shi J,Wang Y,Yin Y,Wang L,Liu J,Liu Z,Duan C,Zhu P,Wang C

更新日期：2014-04-01 00:00:00

abstract：:MicroRNAs (miRNA, miR) have been reported as cancer biomarkers that regulate tumor suppressor genes. Hence, simultaneous detecting and inhibiting of miRNA function will be useful as a cancer theragnostics probe to minimize side effects and invasiveness. In this study, we developed a cancer-targeting therangostics prob...

journal_title：Biomaterials

authors： Kim JK,Choi KJ,Lee M,Jo MH,Kim S

更新日期：2012-01-01 00:00:00

abstract：:To enable the synthesis of hydrogels containing microporosity, a family of pore generating additives (porogens) were synthesized from poly(ethylene glycols) (PEGs) with different molecular weights using naphthyl acetic acid. The products formed were characterized by UV-vis, differential scanning calorimetry and soluti...

journal_title：Biomaterials

authors： Badiger MV,McNeill ME,Graham NB

更新日期：1993-11-01 00:00:00

abstract：:Delivery of polynucleotide-based therapeutics into target cells involves interactions with glycosaminoglycan chains that are located on cell membrane milieu. Mechanisms governing glycosaminoglycan-mediated changes in the nanoparticulate structures of polymer-polynucleotide complexes are unknown, and cannot be fully el...

journal_title：Biomaterials

authors： Meneksedag-Erol D,Tang T,Uludağ H

更新日期：2018-02-01 00:00:00

abstract：:As a chronic and lifelong disease, obesity not only significant impairs health but also dramatically shortens life span (at least 10 years). Obesity requires a life-long effort for the successful treatment because a number of abnormalities would appear in the development of obesity. Nanomaterials possess large specifi...

journal_title：Biomaterials

authors： Li J,Cha R,Luo H,Hao W,Zhang Y,Jiang X

更新日期：2019-12-01 00:00:00

abstract：:The objective of this study was to investigate the moisture absorption, physical-mechanical and bioadhesive properties of hot-melt extruded hydroxypropylcellulose (HPC) films containing polymer additives. These additives included polyethylene glycol (PEG) 5%, polycarbophil 5%, carbomer 5%, Eudragit E-100 5%, and sodiu...

journal_title：Biomaterials

authors： Repka MA,McGinity JW

更新日期：2000-07-01 00:00:00

abstract：:In order to develop a more effective self-etching primer, with a longer lasting shelf life, we designed a self-etching primer comprised of methacrylamide, N-methacryloyl glycine, NMGly. In this study, the hydrolytic stability of the amide portion in the NMGly was examined. The difference in the hydrolytic stability be...

journal_title：Biomaterials

authors： Nishiyama N,Suzuki K,Yoshida H,Teshima H,Nemoto K

更新日期：2004-03-01 00:00:00

abstract：:Poly(trimethylene carbonate) (PTMC) with molecular weights greater than 100 kg/mol is known to degrade readily in vivo while PTMC of less than 70 kg/mol is resistant to degradation. The reason for the molecular weight dependent degradation rate of PTMC is unclear, and may be due to differences in macrophage behavior o...

journal_title：Biomaterials

authors： Vyner MC,Li A,Amsden BG

更新日期：2014-11-01 00:00:00

abstract：:The adhesion of osteoblasts to substrates is mediated through proteins that have adsorbed to the substrate, providing integrins on the cell membrane with ligands to connect to. The integrins regulate cell behavior through bi-directional signaling pathways. This critical review has the purpose to consider the research ...

journal_title：Biomaterials

authors： Siebers MC,ter Brugge PJ,Walboomers XF,Jansen JA

更新日期：2005-01-01 00:00:00

abstract：:Biomedical alloys may release nickel ions during corrosion phenomena and, in addition to their interaction with oral tissues, these ions may also influence characteristic properties of the immune system cells. The aim of this study was to evaluate the effect of nickel chloride on the expression of functionally distinc...

journal_title：Biomaterials

authors： D'Antò V,Eckhardt A,Hiller KA,Spagnuolo G,Valletta R,Ambrosio L,Schmalz G,Schweikl H

更新日期：2009-03-01 00:00:00

abstract：:Dual-functional liposomes with pH-responsive cell-penetrating peptide (CPP) and active targeting hyaluronic acid (HA) were fabricated for tumor-targeted drug delivery. A series of synthetic tumor pH-triggered CPPs rich in arginines and histidines were screened by comparing tumor cellular uptake efficiency at pH 6.4 wi...

journal_title：Biomaterials

authors： Jiang T,Zhang Z,Zhang Y,Lv H,Zhou J,Li C,Hou L,Zhang Q

更新日期：2012-12-01 00:00:00

abstract：:In this study, we used deoxyribozyme (DNAzyme) functionalized gold nanoparticles (AuNPs) to catalytically silence tumor necrosis factor-α (TNF-α) in vivo as a potential therapeutic for myocardial infarction (MI). Using primary macrophages as a model, we demonstrated 50% knockdown of TNF-α, which was not attainable usi...

journal_title：Biomaterials

authors： Somasuntharam I,Yehl K,Carroll SL,Maxwell JT,Martinez MD,Che PL,Brown ME,Salaita K,Davis ME

更新日期：2016-03-01 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：:Integrating inductivity with conductivity in a material may advance tissue engineering. An organic/inorganic hybrid was developed by incorporating plasmid DNA encoding for the beta-gal gene complexed with Lipofectamine 2000 (DNA-Lipoplex) within apatite via coprecipitation. It was hypothesized that this system will re...

journal_title：Biomaterials

authors： Luong LN,McFalls KM,Kohn DH

更新日期：2009-12-01 00:00:00

abstract：:Coralline hydroxyapatite ceramics alone (control) and the ceramics combined with rat marrow cells were implanted subcutaneously in the backs of syngeneic Fischer rats and harvested at 1,2,3,4,6,8 and 24 wk after surgery. None of the control ceramics (without marrow) showed bone formation. However, ceramics combined wi...

journal_title：Biomaterials

authors： Okumura M,Ohgushi H,Tamai S

更新日期：1991-05-01 00:00:00

abstract：:The effect of inclusion of an immobilization matrix and the capsule membrane permeability on the viability, metabolic activity, and proliferation of encapsulated HEK cells was investigated in vitro. In the absence of a matrix, a particular transfected HEK cell line formed a single aggregate in the core of the poly(hyd...

journal_title：Biomaterials

authors： Lahooti S,Sefton MV

更新日期：2000-05-01 00:00:00

abstract：:Photolithography is the current workhorse for the microelectronic industry. It has been used extensively for the creation of patterns on two-dimensional surfaces. Various research groups have studied the use of photolithography to pattern surfaces for the alignment of cells. So far, these applications have been limite...

journal_title：Biomaterials

authors： He W,Halberstadt CR,Gonsalves KE

更新日期：2004-05-01 00:00:00

abstract：:Retinal degenerations cause permanent visual loss and affect millions world-wide. Presently, a novel treatment highlights the potential of using biodegradable polymer scaffolds to induce differentiation and deliver retinal progenitor cells for cell replacement therapy. In this study, we engineered and analyzed a micro...

journal_title：Biomaterials

authors： Redenti S,Neeley WL,Rompani S,Saigal S,Yang J,Klassen H,Langer R,Young MJ

更新日期：2009-07-01 00:00:00

abstract：:Chitosan (CHT)/poly(ɛ-caprolactone) (PCL) blend 3D fiber-mesh scaffolds were studied as possible support structures for articular cartilage tissue (ACT) repair. Micro-fibers were obtained by wet-spinning of three different polymeric solutions: 100:0 (100CHT), 75:25 (75CHT) and 50:50 (50CHT) wt.% CHT/PCL, using a commo...

journal_title：Biomaterials

authors： Neves SC,Moreira Teixeira LS,Moroni L,Reis RL,Van Blitterswijk CA,Alves NM,Karperien M,Mano JF

更新日期：2011-02-01 00:00:00

abstract：:The synthesis of a new potential anti-thrombogenic polymer is described. Limited halogenation of an aryloxy-substituted polyphosphazene, followed by quaternization with triethylamine yielded a polymer capable of forming polyelectrolyte complexes with sodium heparin. The results of preliminary clotting tests with bovin...

journal_title：Biomaterials

authors： Neenan TX,Allcock HR

更新日期：1982-04-01 00:00:00

abstract：:In ophthalmology, there is a need for novel degradable biomaterials for e.g. controlled drug release in the vitreous body. These degradable materials should feature both excellent biocompatibility, and well-defined kinetics of degradation. In most cases, poly(D,L-lactic acid), or poly(lactic-co-glycolic acid) are used...

journal_title：Biomaterials

authors： Bruining MJ,Blaauwgeers HG,Kuijer R,Pels E,Nuijts RM,Koole LH

更新日期：2000-03-01 00:00:00

abstract：:There is great demand for constructing well-organized three-dimensional (3D) tissues in vitro. Here, we developed a 3D stacked culture method using biodegradable poly(d,l-lactide-co- glycolide) (PLGA) membranes with defined topography. Pore size and porosity of the membranes can be controlled by changing the moisture ...

journal_title：Biomaterials

authors： Kasuya J,Sudo R,Tamogami R,Masuda G,Mitaka T,Ikeda M,Tanishita K

更新日期：2012-03-01 00:00:00

abstract：:Artemisinin (ART) is an iron-dependent anti-cancer drug. However, simultaneous delivery of hydrophobic ART and Fe(2+) ions into cancer cells remains a major challenge. Herein, we reported Fe3O4@C/Ag@mSiO2 (FCA@mSiO2) multifunctional nanocarriers which can load ART as high as 484 mg/g. Moreover, FCA@mSiO2 nanoparticles...

journal_title：Biomaterials

authors： Chen J,Guo Z,Wang HB,Zhou JJ,Zhang WJ,Chen QW

更新日期：2014-08-01 00:00:00

abstract：:Valvular interstitial cells (VICs) actively maintain and repair heart valve tissue; however, persistent activation of VICs to a myofibroblast phenotype can lead to aortic stenosis. To better understand and quantify how microenvironmental cues influence VIC phenotype and myofibroblast activation, we compared expression...

journal_title：Biomaterials

authors： Mabry KM,Payne SZ,Anseth KS

更新日期：2016-01-01 00:00:00