Orthogonal scaffold of magnetically aligned collagen lamellae for corneal stroma reconstruction.

abstract：:The pore architecture in 3-D polymeric scaffoldings plays a critical role in tissue engineering as it provides the framework for the seeded cells to organize into a functioning tissue. In the present paper, we investigate the effect of freezing regime on the pore microstructure in 3-D alginate scaffolds, fabricated by...

journal_title：Biomaterials

authors： Zmora S,Glicklis R,Cohen S

更新日期：2002-10-01 00:00:00

abstract：:Supramolecular assemblies have attracted a great attention, due to their intriguing topologies and their application in various fields such as nanodevices, sensors, molecular switches, and drug delivery systems. In this study, we prepared the monosubstituted insulin with poly(ethylene glycol) (PEG, MW about 2200) and ...

journal_title：Biomaterials

authors： Higashi T,Hirayama F,Misumi S,Arima H,Uekama K

更新日期：2008-10-01 00:00:00

abstract：:Thermosensitive polymers poly(N-isopropylacrylamide) (PNIPAM), poly(N-vinylcaprolactam) (PVCL) and PVCL grafted with amphiphilic poly(ethylene oxide) (PEO) chains (PVCL-graft-C11EO42) were prepared and characterized and their putative cytotoxicity was evaluated. The cytotoxicity of these thermosensitive polymers and t...

journal_title：Biomaterials

authors： Vihola H,Laukkanen A,Valtola L,Tenhu H,Hirvonen J

更新日期：2005-06-01 00:00:00

abstract：:Calcium phosphate ceramics used for clinical applications vary considerably in their phase composition. A range of hydroxyapatite and tricalcium phosphate powders, some of which are used in plasma-sprayed coatings for metal prostheses, were found to leach substances which change the pH of water and cell culture medium...

journal_title：Biomaterials

authors： Sharpe JR,Sammons RL,Marquis PM

更新日期：1997-03-01 00:00:00

abstract：:Parkinson's disease (PD) is one of the most common neurodegenerative diseases. Activins are members of the superfamily of transforming growth factors and have many potential neuroprotective effects. Herein, at the first place, we verified activin B's neuroprotective role in a PD model, and revealed that activin B's fa...

journal_title：Biomaterials

authors： Li J,Darabi M,Gu J,Shi J,Xue J,Huang L,Liu Y,Zhang L,Liu N,Zhong W,Zhang L,Xing M,Zhang L

更新日期：2016-09-01 00:00:00

abstract：:New adjuvants and delivery strategies are needed to optimize the ability of protein-based vaccines to elicit CD8(+) T cell responses. We have developed a model vaccine formulation containing ovalbumin (OVA) and the double-stranded RNA analog poly(inosinic acid)-poly(cytidylic acid) (poly(I:C)), a TLR3 agonist. OVA and...

journal_title：Biomaterials

authors： Heffernan MJ,Kasturi SP,Yang SC,Pulendran B,Murthy N

更新日期：2009-02-01 00:00:00

abstract：:Understanding how nanovectors transport DNA molecules through cell membranes is of great importance in gene therapy. In this paper, we systematically investigate the mechanism of cellular uptake of cationic polymeric nanovectors containing DNA molecules through dissipative particle dynamics simulations. Our results sh...

journal_title：Biomaterials

authors： Ding HM,Ma YQ

更新日期：2013-11-01 00:00:00

abstract：:Highly crosslinked UHMWPEs have demonstrated improved in vitro wear properties; however, there is concern regarding loss of fracture resistance and ductility. The goals of this study were to evaluate the micromechanisms of failure under uniaxial tension and to determine the effect of gamma radiation-induced crosslinki...

journal_title：Biomaterials

authors： Gencur SJ,Rimnac CM,Kurtz SM

更新日期：2003-10-01 00:00:00

abstract：:Three-dimensional constructs formed by cells embedded in an exogenous scaffold could not represent a faithful in vitro replica of native and functional tissues. In this work we produced an endogenous human skin equivalent by means of a tissue engineering process that induces the full morphogenesis of functional dermal...

journal_title：Biomaterials

authors： Casale C,Imparato G,Urciuolo F,Netti PA

更新日期：2016-09-01 00:00:00

abstract：:Adipose-derived stem cells (ASCs) hold promise for bone regeneration but possess inferior osteogenesis potential. Allotransplantation of ASCs engineered with the BMP2/VEGF-expressing baculoviruses into rabbits healed critical-size segmental bone defects. To translate the technology to clinical applications, we aimed t...

journal_title：Biomaterials

authors： Lin CY,Wang YH,Li KC,Sung LY,Yeh CL,Lin KJ,Yen TC,Chang YH,Hu YC

更新日期：2015-05-01 00:00:00

abstract：:Esterified hyaluronic acid (HYAFF) is routinely used for clinical tissue engineering applications such as skin and cartilage. In a previous study we developed a technique for in vitro generation of cylindrical constructs from cellularized HYAFF flat sheets. In the present investigation we studied the possibility to im...

journal_title：Biomaterials

authors： Arrigoni C,Camozzi D,Imberti B,Mantero S,Remuzzi A

更新日期：2006-02-01 00:00:00

abstract：:Distearoylphophatidylcholine (DSPC) mixed with various mole percentages of polyethylene oxide (number average molecular weight 2000)-grafted distearoylphosphatidylethanolamine (PEO2000-DSPE) were deposited on DSPE-coated quartz surfaces by the Langmuir-Blodgett deposition. Structural transitions in PEO2000 from pancak...

journal_title：Biomaterials

authors： Xu Z,Marchant RE

更新日期：2000-05-01 00:00:00

abstract：:Poly(glycerol-sebacate) (PGS) is an elastomeric biodegradable polyester that could potentially be used to engineer blood vessels in vivo. However, its blood-material interactions are unknown. The objectives of this study were to: (a) fabricate PGS-based biphasic tubular scaffolds and (b) assess the blood compatibility...

journal_title：Biomaterials

authors： Motlagh D,Yang J,Lui KY,Webb AR,Ameer GA

更新日期：2006-08-01 00:00:00

abstract：:Right femoral, cortical bone osteotomies of 42 rabbits were fixed with fibrillated, self-reinforced (SR) poly-L-lactide (PLLA) rods, 4.5 mm in diameter. Follow-up times were from 3 to 48 wk. None of the rods broke during this period. There was one non-union at three weeks and one non-union at 12 weeks. Radiographic, h...

journal_title：Biomaterials

authors： Manninen MJ,Pohjonen T

更新日期：1993-01-01 00:00:00

abstract：:Chitosans with various degrees of deacetylation were synthesized by acetylation with acetic anhydride. These chitosans were evaluated for efficacy of nanoparticle formation, DNA binding efficiency, morphology, and in vitro and in vivo gene transfection efficiency. DNA binding efficacy was reduced as degree of deacetyl...

journal_title：Biomaterials

authors： Kiang T,Wen J,Lim HW,Leong KW

更新日期：2004-10-01 00:00:00

abstract：:Nitric oxide (NO) is an important biological messenger involved in the treatment of bacterial infections, but its controlled and targeted release in bacterial infections remains a major challenge. Herein, an intelligent NO nanogenerator triggered by near-infrared (NIR) light is constructed for targeted treatment of P....

journal_title：Biomaterials

authors： Wu Y,Deng G,Jiang K,Wang H,Song Z,Han H

更新日期：2021-01-01 00:00:00

abstract：:Bone defects, such as compressive fractures in the vertebral bodies, are frequently treated with acrylic bone cements (e.g., PMMA). Although these biomaterials have sufficient mechanical properties for fixing the fracture, they are non-degradable and do not remodel or integrate with host tissue. In an alternative appr...

journal_title：Biomaterials

authors： Guelcher SA,Srinivasan A,Dumas JE,Didier JE,McBride S,Hollinger JO

更新日期：2008-04-01 00:00:00

abstract：:High-molecular-weight polyethylenimine (25 kDa, PEI25k) is one of the most common cationic polymers utilized in non-viral gene therapy. However, its methylene backbone (-CH(2)CH(2)N(x)-) and high charge density can result in poor biodegradability and high toxicity to cells. We hypothesize that optimizing the polymer l...

journal_title：Biomaterials

authors： Xiong MP,Forrest ML,Ton G,Zhao A,Davies NM,Kwon GS

更新日期：2007-11-01 00:00:00

abstract：:Biological heart prostheses present medium and long-term problems, owing to progressive deterioration and calcification of the tissue. To study the latter problem, we compared the effectiveness of anticalcification treatments in calf pericardium samples implanted into female Wistar rats after the following procedures:...

journal_title：Biomaterials

authors： Jorge-Herrero E,Gutiérrez MP,Castillo-Olivares JL

更新日期：1991-03-01 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：:Electrical polarization and depolarization processes of the 45S5 type bioactive glass (BG) was studied by a thermally stimulated depolarization current (TSDC) and an complex impedance measurements. The depolarization processes were found to consist of three processes, which were observed as three peaks, P1, P2 and P3,...

journal_title：Biomaterials

authors： Obata A,Nakamura S,Yamashita K

更新日期：2004-09-01 00:00:00

abstract：:Given that vascular endothelial growth factor (VEGF) and placental growth factor (PIGF), over-expressed in breast cancer cells and M2-like tumor-associated macrophages (M2-TAMs) within tumor microenvironment (TME), work synergistically and independently in mediating tumor progression and immunosuppression, combinatori...

journal_title：Biomaterials

authors： Song Y,Tang C,Yin C

更新日期：2018-12-01 00:00:00

abstract：:Decellularization techniques have been widely used as an alternative strategy for organ reconstruction. However, the compliance of tracheal or laryngeal tissues can be increased during the decellularization process, which might cause postoperative stenosis due to elimination of chondrocytes. The purpose of our study w...

journal_title：Biomaterials

authors： Ma R,Li M,Luo J,Yu H,Sun Y,Cheng S,Cui P

更新日期：2013-02-01 00:00:00

abstract：:This work demonstrated the development of multifunctional silica nanotubes (SNT) by functionalization of their inner void and outer surface with magnetic-fluorescence nanocomposites and cationic polymers, respectively. The successful construction of BPEI-SNT was established by electron energy loss spectroscopy in conj...

journal_title：Biomaterials

authors： Namgung R,Zhang Y,Fang QL,Singha K,Lee HJ,Kwon IK,Jeong YY,Park IK,Son SJ,Kim WJ

更新日期：2011-04-01 00:00:00

abstract：:Designing biomaterial scaffolds remains a major challenge in tissue engineering. Key to this challenge is improved understanding of the relationships between the scaffold properties and its degradation kinetics, as well as the cell interactions and the promotion of new matrix deposition. Here we present the use of non...

journal_title：Biomaterials

authors： Rice WL,Firdous S,Gupta S,Hunter M,Foo CW,Wang Y,Kim HJ,Kaplan DL,Georgakoudi I

更新日期：2008-05-01 00:00:00

abstract：:Nowadays, limited deep tumor penetration and lower therapeutic effect are still the major obstacle in nanomedicines for cancer therapy. Here, we developed high-efficiency nanocomposites, SO2 prodrug (BTS) loaded Au-Ag hollow nanotriangles (Au-Ag-BTS HTNs), which could not only synergistically upregulate Bax expression...

journal_title：Biomaterials

authors： Xu M,Lu Q,Song Y,Yang L,Li J,Li N

更新日期：2020-08-01 00:00:00

abstract：:Direct reprogramming strategies enable rapid conversion of somatic cells to cardiomyocytes or cardiomyocyte-like cells without going through the pluripotent state. A recently described protocol couples Yamanaka factor induction with pluripotency inhibition followed by BMP4 treatment to achieve rapid reprogramming of m...

journal_title：Biomaterials

authors： Smith AW,Hoyne JD,Nguyen PK,McCreedy DA,Aly H,Efimov IR,Rentschler S,Elbert DL

更新日期：2013-09-01 00:00:00

abstract：:Multiple ophthalmic pathologies, such as retinal detachment and diabetic retinopathy, require the removal and replacement of the vitreous humor. Clinical tamponades such as silicone oil and fluorinated gases are utilized but limited due to complications and toxicity. Therefore, there is a need for biocompatible, stabl...

journal_title：Biomaterials

authors： Raia NR,Jia D,Ghezzi CE,Muthukumar M,Kaplan DL

更新日期：2020-03-01 00:00:00

abstract：:Photopolymerized hydrogels are being investigated for a number of tissue engineering applications because of the ability to form these materials in situ in a minimally invasive manner such as by injection. In addition, hydrogels, three-dimensional networks of hydrophilic polymers that are able to swell large amounts o...

journal_title：Biomaterials

authors： Nguyen KT,West JL

更新日期：2002-11-01 00:00:00

abstract：:Topographic features can modulate cell behaviours such as proliferation, migration, differentiation and apoptosis. Biochemical mechanotransduction implies the conversion of mechanical forces (e.g. changes in cell spreading and morphology from changing surface topography) into biochemical signal via biomolecules. Still...

journal_title：Biomaterials

authors： Kantawong F,Burgess KE,Jayawardena K,Hart A,Burchmore RJ,Gadegaard N,Oreffo RO,Dalby MJ

更新日期：2009-09-01 00:00:00