The modification of siRNA with 3' cholesterol to increase nuclease protection and suppression of native mRNA by select siRNA polyplexes.

abstract：:A three layer (trilayer) polymeric micelle system based on the self-association of the triblock polymer poly(ethylene glycol)-b-poly{N-[N-(2-aminoethyl)-2-aminoethyl] aspartamide}-b-poly(ε-caprolactone) (PEG-b-PAsp(DET)-b-PCL) has been synthesized and investigated for combination delivery of rapamycin (RAP) and siRNA ...

journal_title：Biomaterials

authors： Zeng S,Xiong MP

更新日期：2013-09-01 00:00:00

abstract：:A new implant surface has been developed with the purpose of avoiding as much stress shielding as possible, and thus prolong the prosthesis lifespan. The aim of this study was to investigate the in vitro effect of this new ultra-high roughness and dense Titanium (Ti) surface (PG60, Ra = 74 microm) in comparison with m...

journal_title：Biomaterials

authors： Borsari V,Giavaresi G,Fini M,Torricelli P,Tschon M,Chiesa R,Chiusoli L,Salito A,Volpert A,Giardino R

更新日期：2005-08-01 00:00:00

abstract：:An independent assessment was performed of the results of woven carbon implants of mesh or rods into articular cartilage defects performed by two surgeons in the knees of 96 patients. Eight had symptomatic osteochondritis, 31 had chondromalacia patellae and 57 had early osteoarthritis. They were reviewed up to 5 yr af...

journal_title：Biomaterials

authors： Pongor P,Betts J,Muckle DS,Bentley G

更新日期：1992-01-01 00:00:00

abstract：:Nano-scale modification of a segmented polyurethane (SPU) with cross-linked 2-methacryloyloxyethyl phosphorylcholine (MPC) polymer was performed to obtain a biocompatible elastomer. To control the domain size and the depth of the modified layer, various compositions of monomers, including MPC, 2-ethylhexyl methacrylat...

journal_title：Biomaterials

authors： Morimoto N,Watanabe A,Iwasaki Y,Akiyoshi K,Ishihara K

更新日期：2004-10-01 00:00:00

abstract：:The purpose of this study was to quantify and compare the amount of water absorbed by six commercially available resin-modified glass ionomer cements and to investigate the possible influence of time and resin content on water sorption. The materials evaluated included Variglass used as a restoration, base and liner; ...

journal_title：Biomaterials

authors： Yap AU

更新日期：1996-10-01 00:00:00

abstract：:Alumina tubes (1.3mm outer diameter, 0.6mm inner diameter, 15 mm length) doped with Ca, Mn, or Cr at nominal concentrations of 0.5 and 5.0 mol% were implanted into femoral medullary canals of female rats for 16 weeks. Tissue formation within tubes was determined by histology and histomorphometry. Addition of Ca to alu...

journal_title：Biomaterials

authors： Pabbruwe MB,Standard OC,Sorrell CC,Howlett CR

更新日期：2004-09-01 00:00:00

abstract：:The efficient generation of integration- and xeno-free iPSCs is a prerequisite for their use in clinical applications. Furthermore, non-invasiveness of somatic cell acquisition for iPSC generation is another factor to consider. In this study, we established a practical, simple, and convenient method to generate integr...

journal_title：Biomaterials

authors： Lee KI,Kim HT,Hwang DY

更新日期：2014-09-01 00:00:00

abstract：:Materials for orthopaedic implants can fail for several combined reasons: corrosion, fatigue and wear for metals, wear and creep for polymers, fracture for ceramics. Some typical cases are analysed and it is demonstrated that ion implantation improves metals and polymers used for joint prosthesis. Implantations of nit...

journal_title：Biomaterials

authors： Rieu J,Pichat A,Rabbe LM,Chabrol C,Robelet M

更新日期：1990-07-01 00:00:00

abstract：:This study concentrates on adhesion of microorganisms to polymeric biomaterials implanted in the urinary tract. A number of extensively used polymeric biomaterials (i.e., poly(hydroxyethyl-methacrylate) and its copolymers with a series of acrylic monomers--acrylic acid and dimethylaminoethyl methacrylate--polyetherure...

journal_title：Biomaterials

authors： Kiremitci-Gumusderelioglu M,Pesmen A

更新日期：1996-02-01 00:00:00

abstract：:Doxorubicin (DOX) is a well-known anticancer drug used for the treatment of a wide variety of cancers. However, undesired toxicity of DOX limits its uses. To address the issue of minimizing toxicity of DOX by making it targeted towards cancer cells, DOX was entrapped in self-assembled 6-O-(3-hexadecyloxy-2-hydroxyprop...

journal_title：Biomaterials

authors： Ray L,Kumar P,Gupta KC

更新日期：2013-04-01 00:00:00

abstract：:As peripheral arterial disease (PAD) results in muscle ischemia and neovascularization, it has been claimed that nanoparticles can passively accumulate in ischemic tissues through the enhanced permeability and retention (EPR) effect. At this time, a quantitative evaluation of the passive targeting capabilities of nano...

journal_title：Biomaterials

authors： England CG,Im HJ,Feng L,Chen F,Graves SA,Hernandez R,Orbay H,Xu C,Cho SY,Nickles RJ,Liu Z,Lee DS,Cai W

更新日期：2016-09-01 00:00:00

abstract：:Arterial catheterization is one of the most frequently performed inpatient diagnostic and therapeutic procedures in the development countries. Complications may occur after any catheterization from inadequate hemostasis, particularly in the setting of aggressive anticoagulation. This study suggests that microcrystalli...

journal_title：Biomaterials

authors： Hoekstra A,Struszczyk H,Kivekäs O

更新日期：1998-08-01 00:00:00

abstract：:microRNA-124 (miR-124), the most abundant miRNA of the CNS, was recently shown to modulate the polarization of activated microglia and infiltrating macrophages towards the anti-inflammatory M2 phenotype and protect neurons in various ways after brain disease. In ischemic stroke, microglia and macrophages of a detrimen...

journal_title：Biomaterials

authors： Hamzei Taj S,Kho W,Riou A,Wiedermann D,Hoehn M

更新日期：2016-06-01 00:00:00

abstract：:Palladium additions to a dispersed phase high-copper amalgam have been shown recently to suppress markedly the eta' (Cu6Sn5) concentration and decrease creep. A detailed study of the dental and 24 h creep for Pd containing high-copper amalgams and six commercial controls as a function of applied temperature and stress...

journal_title：Biomaterials

authors： Greener EH,Chung KH,Lin JH

更新日期：1988-05-01 00:00:00

abstract：:AISI 316L stainless steel (SS) is widely used in orthopaedic implantology, although biological complications may result from its insufficient mechanical and tribological properties. In order to improve the wear and corrosion resistance as well as the hardness of 316L SS, three surface treatments, derived from those ap...

journal_title：Biomaterials

authors： Bordji K,Jouzeau JY,Mainard D,Payan E,Delagoutte JP,Netter P

更新日期：1996-03-01 00:00:00

abstract：:Human stem cells are vulnerable to unfavorable conditions, and their transportation relies on costly and inconvenient cryopreservation. We report here that human mesenchymal stem cells (MSC) in spheroids survived ambient conditions (AC) many days longer than in monolayer. Under AC, the viability of MSC in spheroids re...

journal_title：Biomaterials

authors： Jiang B,Yan L,Miao Z,Li E,Wong KH,Xu RH

更新日期：2017-07-01 00:00:00

abstract：:Combined treatment using nonviral agent-mediated enzyme/prodrug therapy and immunotherapy had been proposed as a powerful alternative method of cancer therapy. The present study was aimed to evaluate the cytotoxicity in vitro and the therapeutic efficacy in vivo when the cytosine deaminase/5-fluorocytosine (CD/5-FC) a...

journal_title：Biomaterials

authors： Liang B,He ML,Chan CY,Chen YC,Li XP,Li Y,Zheng D,Lin MC,Kung HF,Shuai XT,Peng Y

更新日期：2009-08-01 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：:An oxygen-permeable membrane bioreactor utilizing human hepatocytes has been tested in this study. In the bioreactor, human hepatocytes were cultured between flat-sheet gas-permeable polymeric membranes, which ensure the diffusion of O(2) and CO(2) providing a support for cell anchorage and growth and permit the onlin...

journal_title：Biomaterials

authors： De Bartolo L,Salerno S,Morelli S,Giorno L,Rende M,Memoli B,Procino A,Andreucci VE,Bader A,Drioli E

更新日期：2006-09-01 00:00:00

abstract：:Development of high selectivity, accurate targeted and noninvasive fluorescent probe for monitoring specific enzyme activity associated with the tumor is urgent needed for early diagnosis of cancer and clinical fluorescence interventional resection guidance treatment. Owing to the invasion of malignant tumor cells, tu...

journal_title：Biomaterials

authors： Li H,Yao Q,Xu F,Xu N,Duan R,Long S,Fan J,Du J,Wang J,Peng X

更新日期：2018-10-01 00:00:00

abstract：:Anti-angiogenic therapeutics has been investigated extensively for the treatment of retinal and choroidal vascular diseases, and diabetic retinopathy. Anti-Flt1 peptide of GNQWFI is an antagonistic peptide for vascular endothelial growth factor receptor 1 (VEGFR1 or Flt1) inhibiting VEGFR1-mediated endothelial cell mi...

journal_title：Biomaterials

authors： Oh EJ,Choi JS,Kim H,Joo CK,Hahn SK

更新日期：2011-04-01 00:00:00

abstract：:Hypoxia, as an inevitable characteristic of solid tumors, has been regarded as a noticeably causative factor to therapeutic resistance and metastatic variants. Exploring novel theranostics to realize the accurate diagnosis of hypoxia and the simultaneous implementation of effective therapy is a promising prospect for ...

journal_title：Biomaterials

authors： Song R,Zhang M,Liu Y,Cui Z,Zhang H,Tang Z,Chen X,Wu H,Yao Z,He M,Bu W

更新日期：2018-08-01 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：:Islet transplantation is a method for the treatment of type 1 diabetes mellitus (DM) and has been widely performed around the world. The long-term cryopreservation of islets shows many advantages in the field of islet transplantation. Previous studies have described the development of sheet-type polyvinyl alcohol (PVA...

journal_title：Biomaterials

authors： Qi Z,Shen Y,Yanai G,Yang K,Shirouzu Y,Hiura A,Sumi S

更新日期：2010-05-01 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：:Circulating tumor cells (CTCs) are rare cells and the presence of these cells may indicate a poor prognosis and a high potential for metastasis. Despite highly promising clinical applications, CTCs have not been investigated thoroughly, due to many technical limitations faced in their isolation and identification. Cur...

journal_title：Biomaterials

authors： Kim YJ,Koo GB,Lee JY,Moon HS,Kim DG,Lee DG,Lee JY,Oh JH,Park JM,Kim MS,Woo HG,Kim SI,Kang P,Choi W,Sim TS,Park WY,Lee JG,Kim YS

更新日期：2014-08-01 00:00:00

abstract：:In an effort to examine liver injury, immune response, and other physiological effects in mice caused by intragastric administration of nanoparticulate anatase titanium dioxide (5nm), we assessed T lymphocytes, B lymphocyte and NK lymphocyte counts, hematological indices, biochemical parameters of liver functions, and...

journal_title：Biomaterials

authors： Duan Y,Liu J,Ma L,Li N,Liu H,Wang J,Zheng L,Liu C,Wang X,Zhao X,Yan J,Wang S,Wang H,Zhang X,Hong F

更新日期：2010-02-01 00:00:00

abstract：:Ultra high molecular weight polyethylene (UHMWPE) used in orthopedic prosthesis can be oxidized during sterilization processes such as gamma-ray irradiation. Oxidation alters UHMWPE structure and mechanical properties and it has been suggested that this alteration is the first step in the loosening process. Direct eff...

journal_title：Biomaterials

authors： Renò F,Bracco P,Costa L,Cannas M

更新日期：2002-09-01 00:00:00

abstract：:This study is aimed to develop a long-acting injectable formulation in treatment of type II diabetes. A glucoregulatory polypeptide, exenatide (EXT), was chosen as the model drug, and an aqueous block copolymer system with a sol-gel transition upon the increase of temperature was selected as the delivery matrix of EXT...

journal_title：Biomaterials

authors： Li K,Yu L,Liu X,Chen C,Chen Q,Ding J

更新日期：2013-04-01 00:00:00

abstract：:A computational model based on finite element method (FEM) and computational fluid dynamics (CFD) is developed to analyse the mechanical stimuli in a composite scaffold made of polylactic acid (PLA) matrix with calcium phosphate glass (Glass) particles. Different bioreactor loading conditions were simulated within the...

journal_title：Biomaterials

authors： Milan JL,Planell JA,Lacroix D

更新日期：2009-09-01 00:00:00