Cu2+-labeled, SPION loaded porous silica nanoparticles for cell labeling and multifunctional imaging probes.

abstract：:We investigated the feasibility and efficacy of target thrombolysis with recombinant tissue plasminogen activator (rtPA) covalently bound to magnetic nanoparticle (MNP) and retained to the target site in vivo by an external magnet. Polyacrylic acid-coated magnetite (PAA-MNP, 246 nm) was synthesized and characterized; ...

journal_title：Biomaterials

authors： Ma YH,Wu SY,Wu T,Chang YJ,Hua MY,Chen JP

更新日期：2009-07-01 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：:Multilayered coatings composed of mixtures of HA and P2O5-based bioactive glasses are of potential clinical benefit in orthopaedic and dental surgery. Pre-immersion of these materials has been reported to further enhance their efficacy in vivo, although the precise biological effects of this treatment are not yet know...

journal_title：Biomaterials

authors： Ferraz MP,Knowles JC,Olsen I,Monteiro FJ,Santos JD

更新日期：2000-04-01 00:00:00

abstract：:Myotube formation is crucial to restoring muscular functions, and biomaterials that enhance the myoblast differentiation into myotubes are highly desirable for muscular repair. Here, we report the synthesis of electroactive, ductile, and degradable copolymers and their application in enhancing the differentiation of m...

journal_title：Biomaterials

authors： Xie M,Wang L,Guo B,Wang Z,Chen YE,Ma PX

更新日期：2015-12-01 00:00:00

abstract：:The long-term behaviour of cellulose sponge implants, 10 x 10 x 5 mm in size, and tissue reactions in and around them were examined in the subcutaneous tissue of the rat from 1 to 60 weeks after implantation. The cellulose sponge used was filled up with connective tissue 4 to 8 weeks after implantation. Histologically...

journal_title：Biomaterials

authors： Märtson M,Viljanto J,Hurme T,Laippala P,Saukko P

更新日期：1999-11-01 00:00:00

abstract：:Ultrasoft biomaterials-polymers, gels, and human soft tissues with an elastic modulus less than ∼100 kPa-are increasingly used in medical devices. While bacterial interactions (adhesion and biofilm formation) have been extensively studied on stiffer materials, little is known about how bacteria colonize ultrasoft mate...

journal_title：Biomaterials

authors： Wang Y,Guan A,Isayeva I,Vorvolakos K,Das S,Li Z,Phillips KS

更新日期：2016-07-01 00:00:00

abstract：:The optimal ratio of the polycation's amine to DNA phosphate group (N:P) for efficient polymer-based transfection always employs excess polycation versus DNA. Most of the excess polycation remains free in solution, unassociated with the polyplexes, but is essential for efficient transfection. The mechanism by which ex...

journal_title：Biomaterials

authors： Thibault M,Astolfi M,Tran-Khanh N,Lavertu M,Darras V,Merzouki A,Buschmann MD

更新日期：2011-07-01 00:00:00

abstract：:Polydimethacrylate resins were prepared by photopolymerization of Bis-GMA, TEGDMA, UDMA or Bis-EMA (4) monomer, initiated by camphoroquinone/N,N-dimethylaminoethyl methacrylate system. The study of physical properties of these resins showed that TEGDMA seems to create the most dense polymer network, which however is t...

journal_title：Biomaterials

authors： Sideridou I,Tserki V,Papanastasiou G

更新日期：2003-02-01 00:00:00

abstract：:Reverse phase protein microarrays (RPMA) enable high throughput screening of posttranslational modifications of important signaling proteins within diseased cells. One limitation of protein-based molecular profiling is the lack of a PCR-like intrinsic amplification system for proteins. Enhancement of protein microarra...

journal_title：Biomaterials

authors： Nijdam AJ,Ming-Cheng Cheng M,Geho DH,Fedele R,Herrmann P,Killian K,Espina V,Petricoin EF 3rd,Liotta LA,Ferrari M

更新日期：2007-01-01 00:00:00

abstract：:Bioactive glass is used as both a bone filler and as a coating on implants, and has been advocated as a potential osteogenic scaffold for tissue engineering. Rat-derived mesenchymal stem cells (MSCs) show elevated levels of alkaline phosphatase activity when grown on 45S5 bioactive glass as compared to standard tissue...

journal_title：Biomaterials

authors： Reilly GC,Radin S,Chen AT,Ducheyne P

更新日期：2007-10-01 00:00:00

abstract：:Intravascular catheter-associated infections (CAIs), which are normally induced by microbial adhesion and subsequent biofilm formation, are a major cause of morbidity and mortality. Therefore, strategies to prevent CAIs are in great demand. In this study, a series of diblock copolymers of PEG and cationic polycarbonat...

journal_title：Biomaterials

authors： Ding X,Yang C,Lim TP,Hsu LY,Engler AC,Hedrick JL,Yang YY

更新日期：2012-10-01 00:00:00

abstract：:Chitosans with various degrees of deacetylation were synthesized by acetylation with acetic anhydride. These chitosans were evaluated for efficacy of nanoparticle formation, DNA binding efficiency, morphology, and in vitro and in vivo gene transfection efficiency. DNA binding efficacy was reduced as degree of deacetyl...

journal_title：Biomaterials

authors： Kiang T,Wen J,Lim HW,Leong KW

更新日期：2004-10-01 00:00:00

abstract：:Autophagy has attracted a great deal of research interest in tumor therapy in recent years. An attempt was made in this direction and now we report that iron oxide NPs synthesized by us selectively induce autophagy in cancer cells (A549) and not in normal cells (IMR-90). It was also noteworthy that autophagy correlate...

journal_title：Biomaterials

authors： Khan MI,Mohammad A,Patil G,Naqvi SA,Chauhan LK,Ahmad I

更新日期：2012-02-01 00:00:00

abstract：:The degree of metal ion dissolution from Ti-6Al-4V alloy hip replacement stems subjected to various mechanical and chemical surface pretreatments was analysed in vitro. High-dissolution rates were observed for nitric acid passivated samples that had been mechanically surface treated to increase the implant surface are...

journal_title：Biomaterials

authors： Browne M,Gregson PJ

更新日期：2000-02-01 00:00:00

abstract：:The therapeutic efficacy of nanoscale anticancer drug delivery systems is severely truncated by their low tumor-targetability and inefficient drug release at the target site. Here, we report the design and development of novel endosomal pH-activatable paclitaxel prodrug micelles based on hyaluronic acid-b-dendritic ol...

journal_title：Biomaterials

authors： Zhong Y,Goltsche K,Cheng L,Xie F,Meng F,Deng C,Zhong Z,Haag R

更新日期：2016-04-01 00:00:00

abstract：:Non-viral carriers for gene therapy have been developed to minimize carrier cytotoxicity and to enhance transfection efficiency. Previously, we synthesized a 9-arginine-based reducible high molecular weight peptide for gene delivery. For the reducible poly(oligo-D-arginines) (rPOA), 9-arginine oligopeptides are connec...

journal_title：Biomaterials

authors： Hyun H,Won YW,Kim KM,Lee J,Lee M,Kim YH

更新日期：2010-12-01 00:00:00

abstract：:Direct delivery of proteins to the cytosol of cells holds tremendous potential in biological and medical applications. Engineering vehicles for escorting proteins to the cytosol in a controlled release fashion has thus generated considerable interest. We report here the preparation of redox-responsive single-protein n...

journal_title：Biomaterials

authors： Zhao M,Biswas A,Hu B,Joo KI,Wang P,Gu Z,Tang Y

更新日期：2011-08-01 00:00:00

abstract：:Microcomputed tomography (micro-CT) is increasingly being used to analyze the three-dimensional structure and architecture of microvascular networks. Therefore we have evaluated a micro-CT analysis of VEGF-induced vessel ingrowth into a porous polyurethane scaffold through comparison with analyses by CD31 immunohistoc...

journal_title：Biomaterials

authors： Schmidt C,Bezuidenhout D,Beck M,Van der Merwe E,Zilla P,Davies N

更新日期：2009-10-01 00:00:00

abstract：:The purpose of this article is to examine the effects of tricaprin on the physical characteristics and in vitro release of etoposide from poly (lactic-co-glycolic acid) microspheres. The microspheres were synthesized through the use of a single-emulsion solvent-extraction procedure. Samples from each batch of microsph...

journal_title：Biomaterials

authors： Schaefer MJ,Singh J

更新日期：2002-08-01 00:00:00

abstract：:Tissue engineering therapies require biomaterials capable of encouraging an angiogenic response. To dissect the influence of different pro-angiogenic stimuli a set of starPEG-heparin hydrogels with varied physicochemical properties was used as a highly efficient reservoir and tunable delivery system for basic fibrobla...

journal_title：Biomaterials

authors： Zieris A,Prokoph S,Levental KR,Welzel PB,Grimmer M,Freudenberg U,Werner C

更新日期：2010-11-01 00:00:00

abstract：:Natural materials exhibit anisotropy with variations in soluble factors, cell distribution, and matrix properties. The ability to recreate the heterogeneity of the natural materials is a major challenge for investigating cell-material interactions and for developing biomimetic materials. Here we present a generic flui...

journal_title：Biomaterials

authors： Du Y,Hancock MJ,He J,Villa-Uribe JL,Wang B,Cropek DM,Khademhosseini A

更新日期：2010-03-01 00:00:00

abstract：:Retinal pigment epithelial (RPE) cellular morphology and function are vital to the health of the retina. In age-related macular degeneration, RPE dysfunction and changes in Bruch's membrane occur. Thus, a potential cure is a dual-layer biomimetic transplant consisting of a layer of healthy RPE cells cultured on a supp...

journal_title：Biomaterials

authors： Lee CJ,Fishman HA,Bent SF

更新日期：2007-04-01 00:00:00

abstract：:A comprehensive strategy for the preparation of mulberry-like dual-drug complicated nanocarriers (MLDC NCs) with high drug loading and adjustable dual-drug ratio was developed. First, apogossypolone (ApoG2) amphiphilic starch micelles (AASt MCs) were prepared by self-assembly process, and doxorubicin (DOX) hyaluronic ...

journal_title：Biomaterials

authors： Li K,Liu H,Gao W,Chen M,Zeng Y,Liu J,Xu L,Wu D

更新日期：2015-01-01 00:00:00

abstract：:Due to the complex structures of living systems, with size scales spanning from the micron to millimeter range, the use of microtechnology to recreate in vivo-like architecture has exciting potential applications. However, most microscale systems are two-dimensional, and few three-dimensional (3-D) systems are being e...

journal_title：Biomaterials

authors： Tan W,Desai TA

更新日期：2004-03-01 00:00:00

abstract：:Ophthalmic drug delivery through eye drops is inefficient because of low corneal bioavailability and short residence time in tears. Contact lenses are ideally suited for extended and targeted drug delivery to cornea, but commercial contact lenses release ophthalmic drugs for only 1-2 h. This study focuses on dispersin...

journal_title：Biomaterials

authors： Jung HJ,Chauhan A

更新日期：2012-03-01 00:00:00

abstract：:The advancement in gene therapy relies upon the discovery of safe and efficient delivery agents and methods. In this study, we report the design and synthesis of a cationic bolaamphiphile as a non-viral gene delivery agent. The bolaamphiphile is composed of 1,12-diaminododecane as the central hydrophobic unit linked t...

journal_title：Biomaterials

authors： Khan M,Ang CY,Wiradharma N,Yong LK,Liu S,Liu L,Gao S,Yang YY

更新日期：2012-06-01 00:00:00

abstract：:Myoepithelial cells are flat, stellate cells present in exocrine tissues including the salivary glands. While myoepithelial cells have been studied extensively in mammary and lacrimal gland tissues, less is known of the function of myoepithelial cells derived from human salivary glands. Several groups have isolated tu...

journal_title：Biomaterials

authors： Ozdemir T,Srinivasan PP,Zakheim DR,Harrington DA,Witt RL,Farach-Carson MC,Jia X,Pradhan-Bhatt S

更新日期：2017-10-01 00:00:00

abstract：:The surface of soft contact lenses made of crosslinked poly(2-hydroxyethyl methacrylate). pHEMA, has been investigated with atomic force microscopy in contact mode. The friction force and adhesive force measurements were able to differentiate the non-crosslinked pHEMA chains from the surface of the crosslinked pHEMA n...

journal_title：Biomaterials

authors： Kim SH,Marmo C,Somorjai GA

更新日期：2001-12-01 00:00:00

abstract：:The FRP wires 0.5 mm in diameter with a multiple fiber structure were fabricated by drawing the fiber polymer complex at 250 degrees C for an esthetic, transparent orthodontic wire. Biocompatible CaO-P2O5-SiO2-Al2O3 (CPSA) glass fibers of 8-20 microm in diameter were oriented unidirectionally in the longitudinal direc...

journal_title：Biomaterials

authors： Imai T,Watari F,Yamagata S,Kobayashi M,Nagayama K,Toyoizumi Y,Nakamura S

更新日期：1998-12-01 00:00:00

abstract：:In spite of good prospects for bone morphogenetic proteins (BMP) applications, an ideal carrier system for BMPs has not yet been identified. The purpose of this study was to evaluate the osteogenic effect of a fibrin-fibronectin sealing system (FFSS) combined with beta-tricalcium phosphate (beta-TCP) as a carrier syst...

journal_title：Biomaterials

authors： Hong SJ,Kim CS,Han DK,Cho IH,Jung UW,Choi SH,Kim CK,Cho KS

更新日期：2006-07-01 00:00:00