A biomimetic nanovector-mediated targeted cholesterol-conjugated siRNA delivery for tumor gene therapy.

abstract：:Linear alkyl chains containing 2, 10 and 18 carbon atoms were grafted to 10% of the urethane nitrogens in a polyether-polyurethane. The polyurethane was synthesized from methylene bis(p-phenyl isocyanate), 1,4-butanediol, and polytetramethylene oxide of 1000 molecular weight in a molar ratio of 3/2/1. Fourier transfor...

journal_title：Biomaterials

authors： Pitt WG,Grasel TG,Cooper SL

更新日期：1988-01-01 00:00:00

abstract：:Hydrogels are frequently employed as medical device biomaterials due to their advantageous biological properties, e.g. resistance to infection and encrustation, biocompatibility; however, their poor mechanical properties generally limit the scope of application to coatings of medical devices. To address this limitatio...

journal_title：Biomaterials

authors： Jones DS,McLaughlin DW,McCoy CP,Gorman SP

更新日期：2005-05-01 00:00:00

abstract：:Topographical cues, independent of biochemistry, generated by the extracellular matrix may have significant effects upon cellular behavior. Studies have documented that substratum topography has direct effects on the ability of cells to orient themselves, migrate, and produce organized cytoskeletal arrangements. Basem...

journal_title：Biomaterials

authors： Flemming RG,Murphy CJ,Abrams GA,Goodman SL,Nealey PF

更新日期：1999-03-01 00:00:00

abstract：:This study investigated the in vitro effects of akermanite, a new kind of Ca-, Mg-, Si-containing bioceramic, on the attachment, proliferation and osteogenic differentiation of human adipose-derived stem cells (hASCs). Parallel comparison of the cellular behaviors of hASCs on the akermanite was made with those on beta...

journal_title：Biomaterials

authors： Liu Q,Cen L,Yin S,Chen L,Liu G,Chang J,Cui L

更新日期：2008-12-01 00:00:00

abstract：:Alginate/aminopropyl-silicate/alginate (Alg/AS/Alg) membrane was prepared on Ca-alginate gel beads by a sol-gel process. The membrane has identical to Si-O-Si identical to bonds as well as electrostatic bonds between amino groups of AS and carboxyl groups of alginate. Permeability and stability were investigated for t...

journal_title：Biomaterials

authors： Sakai S,Ono T,Ijima H,Kawakami K

更新日期：2002-11-01 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：:We present a facile synthesis of europium-doped gadolinium sulfide (GdS:Eu(3+)) opto-magnetic nanoparticles (NPs) via sonochemistry. Their photoluminescence and strong paramagnetic properties enable these NPs to be utilized as an in vitro cell imaging and in vivo T(1)-weighted MR imaging probe. The GdS:Eu(3+) NPs have...

journal_title：Biomaterials

authors： Jung J,Kim MA,Cho JH,Lee SJ,Yang I,Cho J,Kim SK,Lee C,Park JK

更新日期：2012-08-01 00:00:00

abstract：:A new mathematical model was developed and an exact analytical solution without approximations of previous work was derived for the description of the kinetics and equilibrium characteristics of drug loading from a finite external solution onto ion-exchange microspheres. The influence of important parameters pertinent...

journal_title：Biomaterials

authors： Abdekhodaie MJ,Wu XY

更新日期：2006-07-01 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：:Tissue engineering generally utilizes natural or synthetic scaffolds to repair or replace damaged tissues. However, due to the lack of guidance of biological signals, most of the implanted scaffolds have always suffered from poor in vivo cellularization. Herein, we demonstrate a bio-orthogonal reaction-based strategy ...

journal_title：Biomaterials

authors： Mao D,Zhang C,Kenry,Liu J,Wang X,Li B,Yan H,Hu F,Kong D,Wang Z,Liu B

更新日期：2020-02-01 00:00:00

abstract：:The in vitro labelling of cultured cells with iron oxide nanoparticles (NPs) is a frequent practice in biomedical research. To date, the potential cytotoxicity of these particles remains an issue of debate. In the present study, 4 different NP types (dextran-coated Endorem, carboxydextran-coated Resovist, lipid-coated...

journal_title：Biomaterials

authors： Soenen SJ,Himmelreich U,Nuytten N,De Cuyper M

更新日期：2011-01-01 00:00:00

abstract：:Airway tracts serve as a conduit of transport in the respiratory system. Architecturally, these are composed of cartilage rings that offer flexibility and prevent collapse during normal breathing. To this end, the successful regeneration of an airway tract requires the presence of differentiated chondrocytes and airwa...

journal_title：Biomaterials

authors： Ghezzi CE,Marelli B,Donelli I,Alessandrino A,Freddi G,Nazhat SN

更新日期：2014-08-01 00:00:00

abstract：:Silicon (Si) substitution in the crystal structures of calcium phosphate (CaP) ceramics such as hydroxyapatite (HA) and tricalcium phosphate (TCP) generates materials with superior biological performance to stoichiometric counterparts. Si, an essential trace element required for healthy bone and connective tissues, in...

journal_title：Biomaterials

authors： Pietak AM,Reid JW,Stott MJ,Sayer M

更新日期：2007-10-01 00:00:00

abstract：:To study the effect of ionizable functional groups on the adhesion of leucocytes to surfaces, both poly(ethyleneimine) and poly(acrylic acid) were immobilized on polyurethane films, resulting in the introduction of amine and carboxylic acid groups, respectively. This was confirmed by contact angle measurements and XPS...

journal_title：Biomaterials

authors： Bruil A,Terlingen JG,Beugeling T,van Aken WG,Feijen J

更新日期：1992-01-01 00:00:00

abstract：:Soft tissue degradation of the 3 principal amalgam phases have been investigated in relation to their role in the formation of the amalgam tattoo. Each phase, finely powdered, was implanted subcutaneously into the submandibular region of guinea-pigs for periods ranging from 1 week to 1 year. The rates of breakdown wer...

journal_title：Biomaterials

authors： Eley BM,Garrett JR

更新日期：1983-04-01 00:00:00

abstract：:Eye drops producing long-acting ocular anesthesia would be desirable for corneal pain management. Here we present liposome-based formulations to achieve very long ocular anesthetic effect after a single eye drop instillation. The liposomes were functionalized with succinyl-Concanavalin A (sConA-Lip), which can bind co...

journal_title：Biomaterials

authors： Zhan C,Santamaria CM,Wang W,McAlvin JB,Kohane DS

更新日期：2018-10-01 00:00:00

abstract：:The effect of PEGylation on the aqueous solution properties and cell membrane disruptive activity of a pH-responsive pseudo-peptide, poly(l-lysine iso-phthalamide), has been investigated by dynamic light scattering, haemolysis and lactate dehydrogenase (LDH) assays. Intracellular trafficking of the polymers has been e...

journal_title：Biomaterials

authors： Chen R,Yue Z,Eccleston ME,Slater NK

更新日期：2008-11-01 00:00:00

abstract：:Hydroxyapatite ceramics with zirconia dispersion from fine powders synthesized hydrothermally were post-sintered at 1000-1300 degrees C under 200 MPa of argon for 1 h without capsules, after normal sintering in air at 1200 degrees C for 3 h. Densification was most significant with post-sintering at 1200 degrees C. Fra...

journal_title：Biomaterials

authors： Ioku K,Yoshimura M,Somiya S

更新日期：1990-01-01 00:00:00

abstract：:Cancer-associated fibroblasts (CAFs) are a key component of the tumour microenvironment and have been shown to play an important role in the progression of cancer. To probe these tumour-stroma interactions, we incorporated CAFs derived from head and neck cancer patients and squamous carcinoma cells of the hypopharynx ...

journal_title：Biomaterials

authors： Young M,Rodenhizer D,Dean T,D'Arcangelo E,Xu B,Ailles L,McGuigan AP

更新日期：2018-05-01 00:00:00

abstract：:Bioelectrical phenomenon in natural bone has been well recognized for its role in bone development and fracture healing. For example, the piezoelectricity induced modulation in cellular functionality assists in the repair and regeneration of bone tissue. Against this backdrop, we review here the origin of dielectric a...

journal_title：Biomaterials

authors： Khare D,Basu B,Dubey AK

更新日期：2020-11-01 00:00:00

abstract：:The objective of this research was to investigate whether immobilized anti-inflammatory cytokines will signal changes in the inflammatory profile of cultured monocytes. A fusion protein of recombinant human IL-1 receptor antagonist and elastin-like peptide (IL-1ra-ELP) was expressed in Escherichia coli. THP-1 human mo...

journal_title：Biomaterials

authors： Kim DH,Smith JT,Chilkoti A,Reichert WM

更新日期：2007-08-01 00:00:00

abstract：:Recapitulation of the cellular microenvironment of the heart, which promotes cell contraction, remains a key challenge in cardiac tissue engineering. We report here on our work, where for the first time, a 3-dimensional (3D) spring-like fiber scaffold was fabricated, successfully mimicking the coiled perimysial fibers...

journal_title：Biomaterials

authors： Fleischer S,Feiner R,Shapira A,Ji J,Sui X,Daniel Wagner H,Dvir T

更新日期：2013-11-01 00:00:00

abstract：:Hydrogels provide three-dimensional frameworks with tissue-like elasticity and high permeability for culturing therapeutically relevant cells or tissues. While recent research efforts have created diverse macromer chemistry to form hydrogels, the mechanisms of hydrogel polymerization for in situ cell encapsulation rem...

journal_title：Biomaterials

authors： Lin CC,Raza A,Shih H

更新日期：2011-12-01 00:00:00

abstract：:Nanocarrier for augmenting the efficacy of reactive oxygen species (ROS) by tumor microenvironment (TME) has become an emerging strategy for cancer treatment. Herein, a smart biodegradable drug delivery nanoplatform with mitochondrial-targeted ability, pH-responsive drug release and enzyme-like catalytic function is d...

journal_title：Biomaterials

authors： An J,Hu YG,Cheng K,Li C,Hou XL,Wang GL,Zhang XS,Liu B,Zhao YD,Zhang MZ

更新日期：2020-03-01 00:00:00

abstract：:We have developed a family of synthetic biodegradable polymers that are composed of structural units endogenous to the human metabolism, designated poly(polyol sebacate) (PPS) polymers. Material properties of PPS polymers can be tuned by altering the polyol monomer and reacting stiochiometric ratio of sebacic acid. Th...

journal_title：Biomaterials

authors： Bruggeman JP,de Bruin BJ,Bettinger CJ,Langer R

更新日期：2008-12-01 00:00:00

abstract：:Realizing the potential of human pluripotent stem cell (hPSC)-based therapy requires the development of defined scalable culture systems with efficient expansion, differentiation and isolation protocols. We report an engineered 3D microfiber system that efficiently supports long-term hPSCs self-renewal under chemicall...

journal_title：Biomaterials

authors： Lu HF,Narayanan K,Lim SX,Gao S,Leong MF,Wan AC

更新日期：2012-03-01 00:00:00

abstract：:The synthesis of a new potential anti-thrombogenic polymer is described. Limited halogenation of an aryloxy-substituted polyphosphazene, followed by quaternization with triethylamine yielded a polymer capable of forming polyelectrolyte complexes with sodium heparin. The results of preliminary clotting tests with bovin...

journal_title：Biomaterials

authors： Neenan TX,Allcock HR

更新日期：1982-04-01 00:00:00

abstract：:The use of non-viral nanoparticulate systems for the delivery of therapeutic agents is receiving considerable attention for medical and pharmaceutical applications. This increasing interest results from the fact that these systems can be designed to meet specific physicochemical requirements, and they display low toxi...

journal_title：Biomaterials

authors： Chellat F,Merhi Y,Moreau A,Yahia L

更新日期：2005-12-01 00:00:00

abstract：:Covalent antithrombin-heparin complex (ATH) was covalently grafted to a polycarbonate urethane (Corethane) endoluminal graft (a kind gift of Corvita Corporation) after being activated using 0.3% m/m NaOCl in 0.15 M phosphate pH 6.0. ATH graft density (1.98 x 10(-7) mol/m2) was 6 times the maximum amount of unfractiona...

journal_title：Biomaterials

authors： Klement P,Du YJ,Berry L,Andrew M,Chan AK

更新日期：2002-01-01 00:00:00

abstract：:A poly(urethane urea) (PUU) synthesized from 2,4-toluene diisocyanate (TDI) and polyethylene glycol (PEG) with ethylenediamine (ED) as the chain extender was rendered radiopaque by attaching 3,4,5-triiodobenzoic acid (TIB) onto the polymer backbone. The radiopaque polyurethane obtained was characterized by infra red (...

journal_title：Biomaterials

authors： James NR,Jayakrishnan A

更新日期：2007-07-01 00:00:00