Multifunctional mesoporous nanoparticles as pH-responsive Fe(2+) reservoirs and artemisinin vehicles for synergistic inhibition of tumor growth.

abstract：:Successful cell-based tissue engineering requires a rapid and thorough vascularization in order to ensure long-term implant survival and tissue integration. The vascularization of a scaffold is a complex process, and is modulated by the presence of transplanted cells, exogenous and endogenous signaling proteins, and t...

journal_title：Biomaterials

authors： Ghanaati S,Unger RE,Webber MJ,Barbeck M,Orth C,Kirkpatrick JA,Booms P,Motta A,Migliaresi C,Sader RA,Kirkpatrick CJ

更新日期：2011-11-01 00:00:00

abstract：:Microspheres of a hydrophobic and a hydrophilic poly(ether-ester) copolymer were evaluated for their in vitro and in vivo biocompatibility and degradation. The microspheres prior to and after sterilization were tested for in vitro cytotoxicity. The in vivo biocompatibility of the poly(ethylene glycol) terephthalate an...

journal_title：Biomaterials

authors： van Dijkhuizen-Radersma R,Hesseling SC,Kaim PE,de Groot K,Bezemer JM

更新日期：2002-12-01 00:00:00

abstract：:Chitosan-silica xerogel hybrid membranes were fabricated using a sol-gel process and their potential applications in guided bone regeneration (GBR) were investigated in terms of their in vitro cellular activity and in vivo bone regeneration ability. TEM observation revealed that the silica xerogel was dispersed in the...

journal_title：Biomaterials

authors： Lee EJ,Shin DS,Kim HE,Kim HW,Koh YH,Jang JH

更新日期：2009-02-01 00:00:00

abstract：:Multilayer nanofilms, formed by the layer-by-layer (LbL) adsorption of positively and negatively charged polyelectrolytes, are promising substrates for tissue engineering. We investigate here the attachment and function of hepatic cells on multilayer films in terms of film composition, terminal layer, rigidity, charge...

journal_title：Biomaterials

authors： Wittmer CR,Phelps JA,Lepus CM,Saltzman WM,Harding MJ,Van Tassel PR

更新日期：2008-10-01 00:00:00

abstract：:This highly absorbent, biodegradable dressing derived from seaweed can be successfully applied to cleanse a wide variety of secreting lesions. The high absorption of exudate is achieved via strong hydrophilic gel formation and this serves to control wound secretion levels and to minimize bacterial contamination. Algin...

journal_title：Biomaterials

authors： Gilchrist T,Martin AM

更新日期：1983-10-01 00:00:00

abstract：:In order to investigate the effects of different degrees of bioactivity of xerogels on connexin 43 (cx43) signaling of osteoclasts a cell culture approach was developed. Cells isolated from peripheral blood mononuclear cells were cultured in combination with the xerogels and were harvested for further investigations o...

journal_title：Biomaterials

authors： Glenske K,Wagner AS,Hanke T,Cavalcanti-Adam EA,Heinemann S,Heinemann C,Kruppke B,Arnhold S,Moritz A,Schwab EH,Worch H,Wenisch S

更新日期：2014-02-01 00:00:00

abstract：:For chronic non-viral gene therapy, biodegradable carriers with low cytotoxicity are essential. To create a series of non-toxic and biodegradable gene carriers, hyperbranched polymers based on 2,2-bis-(methylol)propionic acid (bis-MPA); (Boltorn H) were modified by introducing tertiary amines. The terminal OH groups w...

journal_title：Biomaterials

authors： Reul R,Nguyen J,Kissel T

更新日期：2009-10-01 00:00:00

abstract：:The majority of epithelia in our organism perform barrier functions on being exposed to different fluids at the luminal and basal sides. To simulate this natural situation under in vitro conditions for biomaterial testing and tissue engineering the epithelia have to withstand mechanical and fluid stress over a prolong...

journal_title：Biomaterials

authors： Schumacher K,Strehl R,de VU,Minuth WW

更新日期：2002-02-01 00:00:00

abstract：:Bioabsorbable internal fixation devices were introduced clinically in the treatment of fractures and osteotomies of the extremities at the Department of Orthopaedics and Traumatology, Helsinki University, in 1984. Since November 5, 1984, a total of 3200 patients were managed using bone or ligament fixation devices mad...

journal_title：Biomaterials

authors： Rokkanen PU,Böstman O,Hirvensalo E,Mäkelä EA,Partio EK,Pätiälä H,Vainionpää SI,Vihtonen K,Törmälä P

更新日期：2000-12-01 00:00:00

abstract：:TRAIL has received considerable attention as a potential anti-cancer agent due to its specific ability to target tumors. However, recombinant TRAIL has several limitations, such as, its short biological half-life, its inherent instability, and its potential hepatotoxicity. In this study, we developed a sustained relea...

journal_title：Biomaterials

authors： Lim SM,Kim TH,Jiang HH,Park CW,Lee S,Chen X,Lee KC

更新日期：2011-05-01 00:00:00

abstract：:There is a need for new therapeutic strategies to treat bone defects caused by trauma, disease or tissue loss. Injectable systems for cell transplantation have the advantage of allowing the use of minimally invasive surgical procedures, and thus for less discomfort to patients. In the present study, it is hypothesized...

journal_title：Biomaterials

authors： Evangelista MB,Hsiong SX,Fernandes R,Sampaio P,Kong HJ,Barrias CC,Salema R,Barbosa MA,Mooney DJ,Granja PL

更新日期：2007-09-01 00:00:00

abstract：:Hydroxyapatite (HA) and beta-tricalcium phosphate (TCP) were studied by computer graphics with a personal computer. Crystal models of fluoridated hydroxyapatite and fluorapatite, in which F- ions are substituted into some or all OH- positions, were also drawn. Data on the structural coordinates of the hydroxyapatite a...

journal_title：Biomaterials

authors： Okazaki M,Sato M

更新日期：1990-10-01 00:00:00

abstract：:A "room-temperature" injection molding approach combined with particulate leaching (RTIM/PL) has been, for the first time, developed in this work to fabricate three-dimensional porous scaffolds composed of biodegradable polyesters for tissue engineering. In this approach, a "wet" composite of particulate/polymer/solve...

journal_title：Biomaterials

authors： Wu L,Jing D,Ding J

更新日期：2006-01-01 00:00:00

abstract：:Hydrogels have been widely used as artificial cell niche to mimic extracellular matrix with tunable properties. However, changing biochemical cues in hydrogels developed-to-date would often induce simultaneous changes in mechanical properties, which do not support mechanistic studies on stem cell-niche interactions. H...

journal_title：Biomaterials

authors： Tong X,Yang F

更新日期：2014-02-01 00:00:00

abstract：:Cutaneous melanoma is an increasingly common and potentially lethal malignancy of melanocytes, the melanin producing cells normally located in the basal layer of the skin epidermis. Despite major advances in cancer chemotherapeutics and immunotherapy, the success in treating metastatic melanoma remains poor. The notio...

journal_title：Biomaterials

authors： Chandrasekaran S,DeLouise LA

更新日期：2011-12-01 00:00:00

abstract：:Polytetrafluoroethylene (PTFE) is a commonly used medical polymer due to its biological stability and other attractive properties such as high hardness and wear resistance. However, the low surface energy and lack of functional groups to interact with the cellular environment have severely limited its applications in ...

journal_title：Biomaterials

authors： Wang H,Kwok DT,Wang W,Wu Z,Tong L,Zhang Y,Chu PK

更新日期：2010-01-01 00:00:00

abstract：:Nanomaterials with integrated multiple imaging and therapeutic modalities possess great potentials in accurate cancer diagnostics and enhanced therapeutic efficacy. Traditional strategies for achieving multimodality nanoplatform through one by one combination of different modalities are challenged by the complicated s...

journal_title：Biomaterials

authors： He X,Peng C,Qiang S,Xiong LH,Zhao Z,Wang Z,Kwok RTK,Lam JWY,Ma N,Tang BZ

更新日期：2020-04-01 00:00:00

abstract：:In designing and developing various biomaterials, the influence of substrate properties, like surface topography, stiffness and wettability on the cell functionality has been investigated widely. However, such study to probe into the influence of the substrate conductivity on cell fate processes is rather limited. In ...

journal_title：Biomaterials

authors： Thrivikraman G,Mallik PK,Basu B

更新日期：2013-09-01 00:00:00

abstract：:A new system of single piece electrodes was applied to in vivo and in vitro measurements of anodic polarization of several alloys used in orthopaedic implants. The tested surface was scrutinized with a stereomicroscope after each experiment. This confirmed pit formation and excluded the possibility of other sudden inc...

journal_title：Biomaterials

authors： Nakayama Y,Yamamuro T,Kotoura Y,Oka M

更新日期：1989-08-01 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：:Acute trauma or trauma associated with occlusal disturbance can produce tooth crack or fracture. Although several methods are proposed to treat the defect, however, the prognosis is generally poor. If the fusion of a tooth fracture by laser is possible, it will offer an alternative to extraction or at least serve as a...

journal_title：Biomaterials

authors： Lin CP,Tseng YC,Lin FH,Liao JD,Lan WH

更新日期：2001-03-01 00:00:00

abstract：:Two new absorbable monofilament suture materials polydioxanone and Maxon are being employed increasingly in abdominal surgery because of increased strength retention and decreased tissue reactivity compared with previously available materials. As part of our investigation of the behaviour of suture materials, 3-0 sutu...

journal_title：Biomaterials

authors： Metz SA,Chegini N,Masterson BJ

更新日期：1990-01-01 00:00:00

abstract：:A nucleus pulposus prosthesis (NPP) made of the hydrogel N-vinyl-2-pyrrolidinone copolymerized with 2-(4'-iodobenzoyl)-oxo-ethyl methacrylate has recently been developed. The special features of this NPP, i.e. intrinsic radiopacity and its ability to swell in situ to fill the nucleus cavity and restore disc height, we...

journal_title：Biomaterials

authors： Bergknut N,Smolders LA,Koole LH,Voorhout G,Hagman RE,Lagerstedt AS,Saralidze K,Hazewinkel HA,van der Veen AJ,Meij BP

更新日期：2010-09-01 00:00:00

abstract：:Despite clinical exploitation of exendin 4 for the treatment of type 2 diabetes, the significantly short half-life requiring twice a day injection has limited the wide applications. In this work, a protocol for the synthesis of long acting hyaluronate (HA) - exendin 4 conjugate was successfully developed using Michael...

journal_title：Biomaterials

authors： Kong JH,Oh EJ,Chae SY,Lee KC,Hahn SK

更新日期：2010-05-01 00:00:00

abstract：:Photodynamic therapy (PDT) induced hypoxia can significantly upregulate the expression of vascular endothelial growth factor (VEGF) at the tumor-stromal interface, resulting in a promoted angiogenesis. Thus, an angiogenesis vessel-targeting nanoparticle (AVT-NP) consisting of photosensitizer, angiogenic vessel-targeti...

journal_title：Biomaterials

authors： Guo D,Xu S,Wang N,Jiang H,Huang Y,Jin X,Xue B,Zhang C,Zhu X

更新日期：2017-11-01 00:00:00

abstract：:Injectable scaffolds made of biodegradable biomaterials can stabilize a myocardial infarct and promote cardiac repair. Here, we describe the synthesis of a new, temperature-sensitive, aliphatic polyester hydrogel (HG) conjugated with vascular endothelial growth factor (VEGF) and evaluate its effects on cardiac recover...

journal_title：Biomaterials

authors： Wu J,Zeng F,Huang XP,Chung JC,Konecny F,Weisel RD,Li RK

更新日期：2011-01-01 00:00:00

abstract：:Low molecular weight polyurethanes with sites for metal complexation were synthesized. The -SO(2) and the -COOH groups were incorporated into the polyurethane chain by the reactions of tri-functional monomers, 4,4'-bis(hydroxyphenyl)sulfone and 4,4'-bis(hydroxyphenyl) valeric acid with hexa-methylene di-isocyanate (HM...

journal_title：Biomaterials

authors： Acharya V,Prabha CR,Narayanamurthy C

更新日期：2004-08-01 00:00:00

abstract：:An ideal scaffold that provides a combination of suitable mechanical properties along with biological signals is required for successful ligament/tendon regeneration in mesenchymal stem cell-based tissue engineering strategies. Among the various fibre-based scaffolds that have been used, hybrid fibrous scaffolds compr...

journal_title：Biomaterials

authors： Sahoo S,Toh SL,Goh JC

更新日期：2010-04-01 00:00:00

abstract：:Hydrogels, microgels and nanogels have emerged as versatile and viable platforms for sustained protein release, targeted drug delivery, and tissue engineering due to excellent biocompatibility, a microporous structure with tunable porosity and pore size, and dimensions spanning from human organs, cells to viruses. In ...

journal_title：Biomaterials

authors： Jiang Y,Chen J,Deng C,Suuronen EJ,Zhong Z

更新日期：2014-06-01 00:00:00

abstract：:The microstructure of TiTa30 alloys diffusion bonded to a 99.7 wt% Al2O3 ceramic was subdivided into a reaction double layer containing the intermetallic phases TiAl and Ti3Al and the (alpha + beta) Ti microstructure. Excellent fracture toughness data of the TiTa30/Al2O3 joints of about 37 J/m2 were obtained after wel...

journal_title：Biomaterials

authors： Gibbesch B,Elssner G,Petzow G

更新日期：1992-01-01 00:00:00