Water absorption and surface properties of novel poly(ethylmethacrylate) polymer systems for use in bone and cartilage repair.

abstract：:Intracellular-acting therapeutic proteins offer a promising clinical alternative to extracellular-acting agents, but are limited in efficacy by their low permeability into the cell cytoplasm. We have developed a nanoparticle (NP) composed of lipid (DOTAP/DOPE) and apolipoprotein (APOA-I) to mediate the targeted delive...

journal_title：Biomaterials

authors： Kim SK,Foote MB,Huang L

更新日期：2012-05-01 00:00:00

abstract：:The overwhelming majority of drugs exert their pharmacological effects after reaching their target sites of action, however, these target sites are mainly located in the cytosol or intracellular organelles. Consequently, delivering drugs to the specific organelle is the key to achieve maximum therapeutic effects and m...

journal_title：Biomaterials

authors： Chen Z,Zhang L,Song Y,He J,Wu L,Zhao C,Xiao Y,Li W,Cai B,Cheng H,Li W

更新日期：2015-06-01 00:00:00

abstract：:Mesoporous silica (MPS), synthesized via the supramolecular polymer templating method, is one of the most attractive nanomaterials for biomedical applications, such as drug delivery systems, labeling, and tissue engineering. The significant difference between MPS and general silica (colloidal silica) is the pore archi...

journal_title：Biomaterials

authors： Lee S,Yun HS,Kim SH

更新日期：2011-12-01 00:00:00

abstract：:Retinal degeneration impairs the vision of millions in all age groups worldwide. Increasing evidence suggests that the etiology of many retinal degenerative diseases is associated with impairment in biochemical reactions involved in the visual cycle, a metabolic pathway responsible for regeneration of the visual chrom...

journal_title：Biomaterials

authors： Puntel A,Maeda A,Golczak M,Gao SQ,Yu G,Palczewski K,Lu ZR

更新日期：2015-03-01 00:00:00

abstract：:Based on the hypothesis that bone cements cause changes in the production of transforming growth factor-beta 1 (TGF-beta1) by bone cells, the effects of four acrylic bone cements (Sulfix-60, CMW 1, CMW 2 and CMW 3) were examined using the osteoblast-like cell line MG63. The extracts in MEM of the cements were tested, ...

journal_title：Biomaterials

authors： Cenni E,Granchi D,Ciapetti G,Savarino L,Corradini A

更新日期：2002-01-01 00:00:00

abstract：:A glass of nominal composition (wt%) 17.25 MgO-52.75 3CaO.P2O5-30 SiO2 and a glass-ceramic obtained from it showed surface modifications when immersed in an acellular medium having a composition similar to that of human blood plasma. A (Ca, P)-rich layer, with an approximate Ca/P atomic ratio of 1.7, identified as hyd...

journal_title：Biomaterials

authors： Oliveira JM,Correia RN,Fernandes MH

更新日期：1995-07-01 00:00:00

abstract：:Biomimetic materials are often capable of subtly affecting tissue development, regeneration and carcinogenesis due to their high similarity to natural tissues. Despite the benefit of using such materials in tissue engineering, their prospective use in cancer therapy has been neglected, particularly the functions and m...

journal_title：Biomaterials

authors： Li X,Wang Y,Chen Y,Zhou P,Wei K,Wang H,Wang J,Fang H,Zhang S

更新日期：2020-10-01 00:00:00

abstract：:Two new formulations of bioactive glasses were used as coatings on titanium alloy (TiAl6V4) implants for prosthetic applications in the orthopaedic field. The biocompatibility of these bioglasses, as well as their osteoconductive properties, were assessed by employing primary cultures of human osteoblasts. A nonbioact...

journal_title：Biomaterials

authors： Oliva A,Salerno A,Locardi B,Riccio V,Della Ragione F,Iardino P,Zappia V

更新日期：1998-06-01 00:00:00

abstract：:Poly(L-lactide) (PLLA) with an extremely high molecular weight (Mv up to 1 X 10(6)) was synthesized at a low catalyst concentration (0.015 wt%) and temperatures between 100-110 degrees C. Besides good mechanical properties the as-polymerized PLLA exhibited a microporous structure. Plates and screws of this material we...

journal_title：Biomaterials

authors： Leenslag JW,Pennings AJ,Bos RR,Rozema FR,Boering G

更新日期：1987-01-01 00:00:00

abstract：:We report here the development of a chitosan/beta-glycerophosphate(Ch/beta-GP) thermo-sensitive gel to deliver ellagic acid (EA) for cancer treatment. The properties of the Ch/beta-GP gels were characterized regarding chemical structure, surface morphology, and viscoelasticity. In vitro EA release rate from the EA loa...

journal_title：Biomaterials

authors： Kim S,Nishimoto SK,Bumgardner JD,Haggard WO,Gaber MW,Yang Y

更新日期：2010-05-01 00:00:00

abstract：:The objective of this study is to develop a carrier for the controlled release of bone morphogenetic protein-2 (BMP-2) suitable for enhancement of the bone regeneration activity. Hydrogels with different water contents were prepared through glutaraldehyde crosslinking of gelatin with an isoelectric point of 9.0 under ...

journal_title：Biomaterials

authors： Yamamoto M,Takahashi Y,Tabata Y

更新日期：2003-11-01 00:00:00

abstract：:Adipose-derived stem cells (ASCs) have valuable applications in regenerative medicine, but maintaining the stemness of ASCs during in vitro culture is still a challenging issue. In this study, human ASCs spontaneously formed three-dimensional spheroids on chitosan films. Most ASCs within the spheroid were viable, and ...

journal_title：Biomaterials

authors： Cheng NC,Wang S,Young TH

更新日期：2012-02-01 00:00:00

abstract：:Titanium implants have been used widely and successfully for various types of bone-anchored reconstructions. It is believed that properties of oxide films covering titanium implant surfaces are of crucial importance for a successful osseointegration, in particular at compromized bone sites. The aim of the present stud...

journal_title：Biomaterials

authors： Sul YT,Johansson CB,Petronis S,Krozer A,Jeong Y,Wennerberg A,Albrektsson T

更新日期：2002-01-01 00:00:00

abstract：:Leveraging the multifunctional nature of citrate in chemistry and inspired by its important role in biological tissues, a class of highly versatile and functional citrate-based materials (CBBs) has been developed via facile and cost-effective polycondensation. CBBs exhibiting tunable mechanical properties and degradat...

journal_title：Biomaterials

authors： Ma C,Gerhard E,Lu D,Yang J

更新日期：2018-09-01 00:00:00

abstract：:Protein delivery allows a clinical effect to be directly realized without genetic modification of the host cells. We have developed a cationic bolaamphiphile as a non-viral vector for protein delivery application. The relatively low toxicity and efficient protein delivery by the cationic bolaamphiphile prompted us to ...

journal_title：Biomaterials

authors： Khan M,Narayanan K,Lu H,Choo Y,Du C,Wiradharma N,Yang YY,Wan AC

更新日期：2013-07-01 00:00:00

abstract：:In order to overcome the problem of rapid clearance of the polysaccharide hyaluronic acid (Hyal) in the treatment of osteoarthritis (OA), a 50% cross-linked Hyal hydrogel (Hyal 50%) was synthesised. The 50% refers to the amount of COOH groups of the polysaccharide involved in the cross-linking reaction. i.e. 50% of th...

journal_title：Biomaterials

authors： Barbucci R,Lamponi S,Borzacchiello A,Ambrosio L,Fini M,Torricelli P,Giardino R

更新日期：2002-12-01 00:00:00

abstract：:Fungal keratitis is a leading cause of ocular morbidity. It is frequently misdiagnosed as bacterial keratitis, causing a delay in proper treatment. Furthermore, due to the lack of safe and effective anti-fungal agents for clinical use, treatment of fugal keratitis remains a challenge. In recent years, antimicrobial pe...

journal_title：Biomaterials

authors： Wu H,Ong ZY,Liu S,Li Y,Wiradharma N,Yang YY,Ying JY

更新日期：2015-03-01 00:00:00

abstract：:The sintering behavior of calcium pyrophosphate (CPP, Ca2P2O7)-doped beta-tricalcium phosphate [TCP, Ca3(PO4)2], prepared by solid state reaction, was investigated in-situ, using dilatometry. Pure beta-TCP undergoes phase transition to alpha-TCP at about 1200 degrees C; hence pure beta-TCP ceramics should be sintered ...

journal_title：Biomaterials

authors： Ryu HS,Youn HJ,Hong KS,Chang BS,Lee CK,Chung SS

更新日期：2002-02-01 00:00:00

abstract：:A series of latex particles, having different sizes and surface structures, were prepared and the dependence of phagocytosis of latex particles by leucocytes on the particle size and surface potential was investigated by measuring the oxygen consumption of leucocytes. Most of the phagocytic behaviour in the initial st...

journal_title：Biomaterials

authors： Kawaguchi H,Koiwai N,Ohtsuka Y,Miyamoto M,Sasakawa S

更新日期：1986-01-01 00:00:00

abstract：:Recent studies have revealed that visible-light (VL)-irradiated camphorquinone (CQ), in the presence of a tertiary amine (e.g., N,N-dimethyl-p-toluidine, DMT), generates initiating radicals that may indiscriminately react with molecular oxygen forming reactive oxygen species (ROS). In this study, the ability of the an...

journal_title：Biomaterials

authors： Pagoria D,Geurtsen W

更新日期：2005-11-01 00:00:00

abstract：:A major obstacle in the development of efficient therapies for progressive liver fibrosis is the lack of representative in vitro models of liver fibrosis to aid in understanding the mechanisms of the disease and to promote the development of pharmaceuticals. Our aim was to develop a relevant in vitro mouse liver fibro...

journal_title：Biomaterials

authors： Mannaerts I,Eysackers N,Anne van Os E,Verhulst S,Roosens T,Smout A,Hierlemann A,Frey O,Leite SB,van Grunsven LA

更新日期：2020-12-01 00:00:00

abstract：:Samples of linear (additionally crosslinked) p(HEMA) with different amounts of fibrillar collagen were implanted into the popliteal region of rats. After 3 month, the implanted materials were harvested and examined by SEM. The implants underwent marked structural or morphological changes. While the fibrillar collagen ...

journal_title：Biomaterials

authors： Stol M,Cífková I,Tyrácková V,Adam M

更新日期：1991-07-01 00:00:00

abstract：:Amphiphilic block terpolymer conetworks composed of butyl methacrylate (BMA), 2,3 propandiol-1-methacrylate (GMMA) and ethandiol dimethacrylate (EDMA) were synthesized. Telechelic oligomers with the carboxylic acid end groups were made via ozonolysis of poly(BMA-co-butadiene) and then these were reacted with glycidyl ...

journal_title：Biomaterials

authors： Sun Y,Collett J,Fullwood NJ,Mac Neil S,Rimmer S

更新日期：2007-02-01 00:00:00

abstract：:A photografting technique to produce functional groups of silanol able to induce apatite nucleation was attempted on polyethylene substrate for biomimetic formation of bone-mineral-like apatite layer on its surface. The polyethylene surface was subjected to vapor-phase photografting of vinyltrimethoxysilane and subseq...

journal_title：Biomaterials

authors： Kim HM,Uenoyama M,Kokubo T,Minoda M,Miyamoto T,Nakamura T

更新日期：2001-09-01 00:00:00

abstract：:Despite its long history and some preliminary work in tissue engineering nearly 30 years ago, electrospinning has not gained widespread interest as a potential polymer processing technique for applications in tissue engineering and drug delivery until the last 5-10 years. This renewed interest can be attributed to ele...

journal_title：Biomaterials

authors： Sill TJ,von Recum HA

更新日期：2008-05-01 00:00:00

abstract：:A tissue-engineered bone has become a viable alternative to autologous bone for bone augmentation in atrophy alveolar ridge. The aim of the present study was to evaluate porous beta-tricalcium phosphate (beta-TCP) combined with autologous osteoblasts to augment edentulous alveolar ridge in a canine model. Autologous o...

journal_title：Biomaterials

authors： Wang S,Zhang Z,Zhao J,Zhang X,Sun X,Xia L,Chang Q,Ye D,Jiang X

更新日期：2009-05-01 00:00:00

abstract：:Disruption of peripheral nerves due to trauma is a frequently occurring clinical problem. Gaps in the nerve are bridged by guiding the regenerating nerves along autologous grafts or artificial guides. This review gives an overview on the different methods of nerve repair techniques. Conventional suturing techniques ar...

journal_title：Biomaterials

authors： IJkema-Paassen J,Jansen K,Gramsbergen A,Meek MF

更新日期：2004-04-01 00:00:00

abstract：:Nitric oxide (NO) is widely known as an effective vasodilator at low concentrations. Drug delivery systems combined with NO can dilate blood vessels surrounding tumor tissues, and the drug accumulation in tumors is accelerated by the enhanced permeability and retention effect, leading to an improvement in the anti-tum...

journal_title：Biomaterials

authors： Kang Y,Kim J,Park J,Lee YM,Saravanakumar G,Park KM,Choi W,Kim K,Lee E,Kim C,Kim WJ

更新日期：2019-10-01 00:00:00

abstract：:The phenomenon of light-induced cell detachment is reported. Mouse calvaria-derived, pre-osteoblastic (MC3T3-E1) cells were cultured on a TiO(2) nanodot-coated quartz substrate. After 20 min of UV365 illumination, over 90% of the cells would detach from the surface. Moreover, intact cell sheets could be obtained in th...

journal_title：Biomaterials

authors： Hong Y,Yu M,Weng W,Cheng K,Wang H,Lin J

更新日期：2013-01-01 00:00:00

abstract：:An insulin delivery system that self-regulates blood glucose levels has the potential to limit hypoglycemic events and improve glycemic control. Glucose-responsive insulin delivery systems have been developed by coupling glucose oxidase with a stimuli-responsive biomaterial. However, the challenge of achieving desirab...

journal_title：Biomaterials

authors： Volpatti LR,Facklam AL,Cortinas AB,Lu YC,Matranga MA,MacIsaac C,Hill MC,Langer R,Anderson DG

更新日期：2021-01-01 00:00:00