A citric acid-based hydroxyapatite composite for orthopedic implants.

abstract：:To prevent wear debris-induced osteolysis and aseptic loosening, cross-linked ultra-high molecular weight polyethylene's (UHMWPE) with improved wear resistance have been developed. Hip simulator studies have demonstrated very low wear rates with these new materials leading to their widespread clinical use. However, th...

journal_title：Biomaterials

authors： Sethi RK,Neavyn MJ,Rubash HE,Shanbhag AS

更新日期：2003-07-01 00:00:00

abstract：:Microcontact printing (mCP) is employed to generate discontinuous microscale gradients of active fractalkine, a chemokine expressed by endothelial cells near sites of inflammation where it is believed to form concentration gradients descending away from the inflamed area. In vivo, fractalkine is a transmembrane molecu...

journal_title：Biomaterials

authors： Hjortø GM,Hansen M,Larsen NB,Kledal TN

更新日期：2009-10-01 00:00:00

abstract：:Controlled delivery of bioactive molecules to modulate or control biological processes has a number of clinical applications. The present study reports a delivery system which was designed to deliver growth factors locally to a fracture site. Ethylene vinyl acetate copolymer (EVAc), bovine serum albumin (BSA) and plat...

journal_title：Biomaterials

authors： Walsh WR,Kim HD,Jong YS,Valentini RF

更新日期：1995-11-01 00:00:00

abstract：:The hypothesis that E-selectin on activated endothelial cells could be exploited to selectively target drug delivery systems to tumor vasculature was investigated. HPMA copolymer-doxorubicin (DOX) conjugates displaying the high affinity E-selectin binding peptide (Esbp, primary sequence DITWDQLWDLMK) as targeting liga...

journal_title：Biomaterials

authors： Shamay Y,Paulin D,Ashkenasy G,David A

更新日期：2009-11-01 00:00:00

abstract：:Synthetic small interfering RNA (siRNA) is a class of therapeutic entities that allow for specific silencing of target genes via RNA interference (RNAi) and comprise an enormous clinical potential for a variety of diseases, including cancer. However, efficient tissue-specific delivery of siRNA remains the major limita...

journal_title：Biomaterials

authors： Lee DJ,Kessel E,Edinger D,He D,Klein PM,Voith von Voithenberg L,Lamb DC,Lächelt U,Lehto T,Wagner E

更新日期：2016-01-01 00:00:00

abstract：:Micropipette aspiration (MA) has been used extensively in biomechanical investigations of un-adhered cells suspended in media. In the current study, a custom MA system is developed to aspirate substrate adhered spread cells. Additionally, the system facilitates immuno-fluorescent staining of aspirated cells to investi...

journal_title：Biomaterials

authors： Reynolds NH,Ronan W,Dowling EP,Owens P,McMeeking RM,McGarry JP

更新日期：2014-04-01 00:00:00

abstract：:The metabolic disposition and elimination process of the anhydride co-polymer poly[1,3-bis(p-carboxy-phenoxypropane):sebacic acid] 20:80 [P(CPP:Sa)20:80] implanted in the rat brain was studied. Two polymers were prepared, one with [14C]SA and unlabelled CPP, and the other co-polymer with [14C]CPP and unlabelled SA. Wi...

journal_title：Biomaterials

authors： Domb AJ,Rock M,Schwartz J,Perkin C,Yipchuk G,Broxup B,Villemure JG

更新日期：1994-07-01 00:00:00

abstract：:Resorbable calcium phosphate (CaP) biomaterials have demonstrated considerable efficacy in bone reconstructive surgery. Furthermore, bisphosphonates (BPs) are well known anti-resorptive agents largely used in clinical treatments for osteoporosis. An injectable BP-combined CaP matrix has been developed in order to biol...

journal_title：Biomaterials

authors： Verron E,Gauthier O,Janvier P,Pilet P,Lesoeur J,Bujoli B,Guicheux J,Bouler JM

更新日期：2010-10-01 00:00:00

abstract：:One of the major limitations of studying cancer-bone metastasis has been the lack of an appropriate ex-vivo model which can be used under defined conditions that simulates closely the in vivo live bone microenvironment in response to cancer-bone interactions. We have developed and utilized a three-dimensional (3D) can...

journal_title：Biomaterials

authors： Curtin P,Youm H,Salih E

更新日期：2012-02-01 00:00:00

abstract：:Finding bioactive short peptides derived from proteins is a critical step to the advancement of tissue engineering and regenerative medicine, because the former maintains the functions of the latter without immunogenicity in biological systems. Here, we discovered a bioactive core nonapeptide sequence, PPFEGCIWN (resi...

journal_title：Biomaterials

authors： Yeo IS,Min SK,Kang HK,Kwon TK,Jung SY,Min BM

更新日期：2015-12-01 00:00:00

abstract：:Water uptake characteristics of BisGMA-based composites incorporating untreated and surface-treated hydroxyapatite (HA) with a silane coupling agent have been investigated. The water absorption and desorption behaviour of these composites obeyed the classical diffusion theory. The diffusion coefficients of the composi...

journal_title：Biomaterials

authors： Santos C,Clarke RL,Braden M,Guitian F,Davy KW

更新日期：2002-04-01 00:00:00

abstract：:The repair of spinal cord injury (SCI) highly relies on microenvironment remodeling and facilitating the recruitment and neuronal differentiation of endogenous stem/progenitor cells. Decellularized tissue matrices (DTMs) have shown their unique and beneficial characteristics in promoting neural tissue regeneration, es...

journal_title：Biomaterials

authors： Xu Y,Zhou J,Liu C,Zhang S,Gao F,Guo W,Sun X,Zhang C,Li H,Rao Z,Qiu S,Zhu Q,Liu X,Guo X,Shao Z,Bai Y,Zhang X,Quan D

更新日期：2021-01-01 00:00:00

abstract：:Osteoarthritis (OA) is a major cause of disability and socioeconomic loss worldwide. However, the current pharmacological approaches used to treat OA are largely palliative. Being the hallmark of OA, the cartilage extracellular matrix (ECM) destruction and abnormal homeostasis is gaining more attention as a therapeuti...

journal_title：Biomaterials

authors： Peng Z,Sun H,Bunpetch V,Koh Y,Wen Y,Wu D,Ouyang H

更新日期：2021-01-01 00:00:00

abstract：:Immunotherapy has shown promising treatment effects for a variety of cancers. However, the immune treatment efficiency for solid tumors is limited owing to insufficient infiltration of immune cells into solid tumors. The conversion of tumor-supportive macrophages to tumor-suppressive macrophages, inducing the function...

journal_title：Biomaterials

authors： Wang Y,Lin YX,Qiao SL,An HW,Ma Y,Qiao ZY,Rajapaksha RP,Wang H

更新日期：2017-01-01 00:00:00

abstract：:Endochondral ossification plays a key role in the bone healing process, which requires normal cartilage callus formation. Progranulin (PGRN) growth factor is known to enhance chondrocyte differentiation and endochondral ossification during development, yet whether PGRN also plays a role in bone regeneration remains un...

journal_title：Biomaterials

authors： Zhao YP,Tian QY,Frenkel S,Liu CJ

更新日期：2013-09-01 00:00:00

abstract：:In this paper we report a new method that permitted for the first time to selectively track a polysaccharide-based hydrogel on bone tissue explants, several weeks after its implantation. The hydrogel, which was developed for bone healing and tissue engineering, was labelled with a ruthenium complex and implanted into ...

journal_title：Biomaterials

authors： Laïb S,Fellah BH,Fatimi A,Quillard S,Vinatier C,Gauthier O,Janvier P,Petit M,Bujoli B,Bohic S,Weiss P

更新日期：2009-03-01 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：:Previous studies have shown that heterotopic induction of bone formation by calcium phosphate-based macroporous constructs is set into motion by the geometry of the implanted substrata, i.e. a sequence of repetitive concavities assembled within the macroporous spaces. The aim of this study was to construct osteoinduct...

journal_title：Biomaterials

authors： Ripamonti U,Roden LC,Renton LF

更新日期：2012-05-01 00:00:00

abstract：:Sub-micron particles of bioactive glass (SMBGs) with composition 85 mol% SiO(2) and 15 mol% CaO were synthesised and characterised. Bioactivity was demonstrated by the formation of calcium apatite following 5 days immersion in simulated body fluid (SBF). The effect of a 24 h exposure of SMBGs (100 μg/ml, 150 μg/ml, 20...

journal_title：Biomaterials

authors： Labbaf S,Tsigkou O,Müller KH,Stevens MM,Porter AE,Jones JR

更新日期：2011-02-01 00:00:00

abstract：:Reliable single unit neuron recordings from chronically implanted microelectrode arrays (MEAs) are essential tools in the field of neural engineering. However, following implantation, MEAs undergo a foreign body response that functionally isolates them from the brain and reduces the useful longevity of the array. We t...

journal_title：Biomaterials

authors： Cassar IR,Yu C,Sambangi J,Lee CD,Whalen JJ 3rd,Petrossians A,Grill WM

更新日期：2019-06-01 00:00:00

abstract：:Cell detachment by laminar shear stresses was used to characterize cellular interactions with hydrophilic glass and hydrophobic silane. In this study, we examined whether smaller, rounder cells were preferentially detached by laminar flow, and whether cell detachment occurred by dissociation of adhesion proteins and t...

journal_title：Biomaterials

authors： Truskey GA,Proulx TL

更新日期：1993-01-01 00:00:00

abstract：:Current materials used for maxillofacial prostheses are far from ideal and there is a need for new improved materials which better simulate the tissues they are replacing. This study was based on a mixed experimental/analytical/numerical approach. A new polymeric material was developed to provide a better alternative ...

journal_title：Biomaterials

authors： Bellamy K,Limbert G,Waters MG,Middleton J

更新日期：2003-12-01 00:00:00

abstract：:The synthesis of poly(lactic acid) through polycondensation of the lactic acid monomer gave weight average molecular weights (Mw) lower than 1.6 x 10(4), whereas ring-opening polymerization of lactides in bulk at 130 degrees C for 72 h using stannous octoate as catalyst in the concentration range from 0.003 to 0.8 wt%...

journal_title：Biomaterials

authors： Hyon SH,Jamshidi K,Ikada Y

更新日期：1997-11-01 00:00:00

abstract：:Selective isolation and purification of circulating tumor cells (CTCs) from whole blood is an important capability for both clinical medicine and biological research. Current techniques to perform this task place the isolated cells under excessive stresses that reduce cell viability, and potentially induce phenotype c...

journal_title：Biomaterials

authors： Li W,Reátegui E,Park MH,Castleberry S,Deng JZ,Hsu B,Mayner S,Jensen AE,Sequist LV,Maheswaran S,Haber DA,Toner M,Stott SL,Hammond PT

更新日期：2015-10-01 00:00:00

abstract：:In order to clarify the role of a primer on the adhesion between dental precious metals and resin, surface-enhanced Raman scattering (SERS) technique has been applied to the structural analysis of the adhesive monomer, 6-(N-(4-vinylbenzyl)propylamino)-1,3,5-triazine-2, 4-dithione (VBATDT) adsorbed on colloidal Au surf...

journal_title：Biomaterials

authors： Suzuki M,Fujishima A,Miyazaki T,Hisamitsu H,Kojima K,Kadoma Y

更新日期：1999-05-01 00:00:00

abstract：:We investigated the hypothesis that immobilizing TGF-β1 within fibrin hydrogels may act in synergy with cyclic mechanical stimulation to enhance the properties of vascular grafts. To this end, we engineered a fusion TGF-β1 protein that can covalently anchor to fibrin during polymerization upon the action of factor XII...

journal_title：Biomaterials

authors： Liang MS,Koobatian M,Lei P,Swartz DD,Andreadis ST

更新日期：2013-10-01 00:00:00

abstract：:Compared to soluble cytokines, surface-tethered ligands can deliver biological signalling with precise control of spatial positioning and concentration. A strategy that immobilises ligand molecules on a surface in a uniform orientation using non-cleavable linkages under physiological conditions would enhance the speci...

journal_title：Biomaterials

authors： Lee EJ,Be CL,Vinson AR,Riches AG,Fehr F,Gardiner J,Gengenbach TR,Winkler DA,Haylock D

更新日期：2015-01-01 00:00:00

abstract：:Poly(γ-4-((2-(piperidin-1-yl)ethyl)aminomethyl)benzyl-l-glutamate) (PPABLG), a cationic helical polypeptide, has been recently developed by us as an effective non-viral gene delivery vector. In attempts to elucidate the effect of molecular architecture on the gene delivery efficiencies and thereby identify a potential...

journal_title：Biomaterials

authors： Yin L,Song Z,Kim KH,Zheng N,Tang H,Lu H,Gabrielson N,Cheng J

更新日期：2013-03-01 00:00:00

abstract：:Platinum nanoparticle-doped chitosan (CHIT) solution can be easily prepared by treating the CHIT solution with aqueous H2PtCl6 solution followed by chemical reduction of Pt(IV) with NaBH4. Multiwalled carbon nanotubes (MWCNT) are then dispersed in the nanoparticle-doped solution. The resulting Pt-CNT-CHIT material bri...

journal_title：Biomaterials

authors： Yang M,Yang Y,Yang H,Shen G,Yu R

更新日期：2006-01-01 00:00:00

abstract：:It is widely accepted that implant surface factors affect the quality of the bone-to-implant interface. Recent additional treatments superimposed on moderately rough cpTitanium surface provide further enhancement of bone-to-implant contact. The aim of this study was to compare osteoinductive and bone-specific gene exp...

journal_title：Biomaterials

authors： Guo J,Padilla RJ,Ambrose W,De Kok IJ,Cooper LF

更新日期：2007-12-01 00:00:00