Injectable biodegradation-visual self-healing citrate hydrogel with high tissue penetration for microenvironment-responsive degradation and local tumor therapy.

abstract：:Tissue engineering of the cornea could overcome shortages of donor corneas for transplantation and improve quality. Our aim was to grow an endothelial layer on a substratum suitable for transplant. Silkworm (Bombyx mori) fibroin was prepared as 5 μm thick transparent membranes. The B4G12 cell line was used to assess a...

journal_title：Biomaterials

authors： Madden PW,Lai JN,George KA,Giovenco T,Harkin DG,Chirila TV

更新日期：2011-06-01 00:00:00

abstract：:Astroglial cell survival and ion channel activity are relevant molecular targets for the mechanistic study of neural cell interactions with biomaterials and/or electronic interfaces. Astrogliosis is the most typical reaction to in vivo brain implants and needs to be avoided by developing biomaterials that preserve ast...

journal_title：Biomaterials

authors： Benfenati V,Toffanin S,Capelli R,Camassa LM,Ferroni S,Kaplan DL,Omenetto FG,Muccini M,Zamboni R

更新日期：2010-11-01 00:00:00

abstract：:A biodegradable microvessel scaffold comprised of distinct parenchymal and vascular compartments separated by a permeable membrane interface was conceptualized, fabricated, cellularized, and implanted. The device was designed with perfusable microfluidic channels on the order of 100 μm to mimic small blood vessels, an...

journal_title：Biomaterials

authors： Ye X,Lu L,Kolewe ME,Park H,Larson BL,Kim ES,Freed LE

更新日期：2013-12-01 00:00:00

abstract：:The foreign body reactions to collagen-immobilized polyurethane (PU-CI) films during subcutaneous implantation in rats were characterized. The underlying concept is that collagen-immobilization will improve the tissue integration. Since the method of collagen-immobilization involves the covalent coupling of collagen t...

journal_title：Biomaterials

authors： van Wachem PB,Hendriks M,Blaauw EH,Dijk F,Verhoeven ML,Cahalan PT,van Luyn MJ

更新日期：2002-03-01 00:00:00

abstract：:Beads of polytetrafluoroethylene were used to investigate adsorption of thrombin and the influence of the adsorbed protease on a subsequent deposition of fibrinogen. Adsorption of active thrombin was not detected by a specific fluorogenic substrate unless > 0.1 units/ml had been applied. Adsorption was considerably im...

journal_title：Biomaterials

authors： Schlosser E,Simler R,Hörmann H

更新日期：1993-04-01 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：:In contractile tissues such as myocardium, functional properties are directly related to the cellular orientation and elongation. Thus, tissue engineering of functional cardiac patches critically depends on our understanding of the interaction between multiple guidance cues such as topographical, adhesive or electrica...

journal_title：Biomaterials

authors： Au HT,Cheng I,Chowdhury MF,Radisic M

更新日期：2007-10-01 00:00:00

abstract：:Six routinely packaged commercially pure titanium dental implants (three commercial brands) were analysed using secondary ion mass spectrometry to examine the outermost surface layer. The aim of the analysis was to compare the surface purity (99.95%) of the implants with the substrate metal, common to all three brands...

journal_title：Biomaterials

authors： Edwards BN,Gold BR

更新日期：1992-01-01 00:00:00

abstract：:Scaffold design plays a crucial role in developing graft-based regenerative strategies, especially when intended to be used in a highly ordered nerve tissue. Here we describe a hybrid matrix approach, which combines the structural properties of collagen (type I) with the epitope-presenting ability of peptide amphiphil...

journal_title：Biomaterials

authors： Sur S,Pashuck ET,Guler MO,Ito M,Stupp SI,Launey T

更新日期：2012-01-01 00:00:00

abstract：:Previous investigations have found that visible-light (VL)-irradiated camphorquinone (CQ), in the presence of a tertiary amine (e.g., N,N-dimethyl-p-toluidine, DMT), generates reactive oxygen species and causes oxidative DNA damage in vitro. In this study, oxidative DNA damage produced by VL-irradiated CQ/DMT, in the ...

journal_title：Biomaterials

authors： Winter K,Pagoria D,Geurtsen W

更新日期：2005-09-01 00:00:00

abstract：:Lesions in the avascular part of 20 canine menisci were repaired by implantation of a porous polyurethane. Seven menisci were not repaired and served as controls. The repair tissue was characterized by biochemical and immunological analysis. The role of vascularity in healing was studied by perfusion of menisci with I...

journal_title：Biomaterials

authors： Klompmaker J,Veth RP,Jansen HW,Nielsen HK,de Groot JH,Pennings AJ,Kuijer R

更新日期：1996-09-01 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：:Poly(trimethylene carbonate) (PTMC) with molecular weights greater than 100 kg/mol is known to degrade readily in vivo while PTMC of less than 70 kg/mol is resistant to degradation. The reason for the molecular weight dependent degradation rate of PTMC is unclear, and may be due to differences in macrophage behavior o...

journal_title：Biomaterials

authors： Vyner MC,Li A,Amsden BG

更新日期：2014-11-01 00:00:00

abstract：:Because of the ability to induce cell death in certain conditions, the fullerenes (C(60)) are potential anticancer and toxic agents. The colloidal suspension of crystalline C(60) (nano-C(60), nC(60)) is extremely toxic, but the mechanisms of its cytotoxicity are not completely understood. By combining experimental ana...

journal_title：Biomaterials

authors： Markovic Z,Todorovic-Markovic B,Kleut D,Nikolic N,Vranjes-Djuric S,Misirkic M,Vucicevic L,Janjetovic K,Isakovic A,Harhaji L,Babic-Stojic B,Dramicanin M,Trajkovic V

更新日期：2007-12-01 00:00:00

abstract：:Interest in the identification and isolation of circulating tumor cells (CTCs) has been growing since the introduction of CTCs as an alternative to the tumor tissue biopsy, which can potentially be important indices for prognosis and cancer treatment. However, the contamination of non-specific binding of normal hemato...

journal_title：Biomaterials

authors： Wu JC,Tseng PY,Tsai WS,Liao MY,Lu SH,Frank CW,Chen JS,Wu HC,Chang YC

更新日期：2013-07-01 00:00:00

abstract：:Using the material technique recently developed by us, we prepared a micropattern on poly(ethylene glycol) (PEG) hydrogel to keep background resistant to cell adhesion for a long time, which made examination of differentiation of localized stem cells available. Our micropattern designed in this paper prevented or ensu...

journal_title：Biomaterials

authors： Tang J,Peng R,Ding J

更新日期：2010-03-01 00:00:00

abstract：:Targeting delivery system has been widely used in packaging drugs for medical therapies attributed to its high efficiency and efficacy. A Traditional Chinese Medicine (TCM) formula consisting of Herba Epimedii has previously been shown to effectively treat postmenopausal osteoporosis. We have subsequently found that i...

journal_title：Biomaterials

authors： Huang L,Wang X,Cao H,Li L,Chow DH,Tian L,Wu H,Zhang J,Wang N,Zheng L,Yao X,Yang Z,Qin L

更新日期：2018-11-01 00:00:00

abstract：:Hydrogel materials that display inherent activity against bacteria can be used to directly treat accessible wounds to prevent or kill existing infection. Hydrogels composed of self-assembling β-hairpin peptides, having a high content of arginine, were found to be extremely effective at killing both gram-positive and g...

journal_title：Biomaterials

authors： Veiga AS,Sinthuvanich C,Gaspar D,Franquelim HG,Castanho MA,Schneider JP

更新日期：2012-12-01 00:00:00

abstract：:Due to mild reaction conditions and temporal and spatial control over material formation, photopolymerization has become a valuable technique for the encapsulation of living cells in three dimensional, hydrated, biomimetic materials. For such applications, 2-hydroxy-1-[4-(2-hydroxyethoxy) phenyl]-2-methyl-1-propanone ...

journal_title：Biomaterials

authors： Fairbanks BD,Schwartz MP,Bowman CN,Anseth KS

更新日期：2009-12-01 00:00:00

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：:We describe a novel approach to process bioceramic microparticles and poly(diol citrates) into bioceramic-elastomer composites for potential use in orthopedic surgery. The composite consists of the biodegradable elastomer poly(1,8-octanediol-citrate) (POC) and the bioceramic hydroxyapatite (HA). The objective of this ...

journal_title：Biomaterials

authors： Qiu H,Yang J,Kodali P,Koh J,Ameer GA

更新日期：2006-12-01 00:00:00

abstract：:The human heart cannot regenerate after an injury. Lost cardiomyocytes are replaced by scar tissue resulting in reduced cardiac function causing high morbidity and mortality. One possible solution to this problem is cardiac tissue engineering. Here, we have investigated the suitability of non-mulberry silk protein fib...

journal_title：Biomaterials

authors： Patra C,Talukdar S,Novoyatleva T,Velagala SR,Mühlfeld C,Kundu B,Kundu SC,Engel FB

更新日期：2012-03-01 00:00:00

abstract：:As a common receptor for three myelin associated inhibitors, Nogo-66 receptor (NgR) mediates their inhibitory activities on neurite outgrowth in the adult mammalian central nervous system (CNS). Therapeutic vaccination protocol targeting NgR emulsified with Freund's adjuvant (FA) has been used in spinal cord injury (S...

journal_title：Biomaterials

authors： Wang YT,Lu XM,Zhu F,Huang P,Yu Y,Zeng L,Long ZY,Wu YM

更新日期：2011-11-01 00:00:00

abstract：:Here, scaffolds as cell and tissue carriers are approached from an engineering point of view, emphasizing material superstructuring in the design of supports. Superstructure engineering provides optimal spatial and nutritional conditions for cell maintenance by the arrangement of structural elements (e.g. pores or fib...

journal_title：Biomaterials

authors： Wintermantel E,Mayer J,Blum J,Eckert KL,Lüscher P,Mathey M

更新日期：1996-01-01 00:00:00

abstract：:Semiconductor quantum dots and upconversion nanoparticles have been broadly used for live cell imaging due to their color tunability and photostability etc. However, these inorganic materials often contain heavy metals and potentially have metabolism problems. To overcome these issues, herein, we report a type of orga...

journal_title：Biomaterials

authors： Xu R,Huang L,Wei W,Chen X,Zhang X,Zhang X

更新日期：2016-07-01 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：:Neural stem cells (NSCs) have the capacity to differentiate into neurons, astrocytes, and oligodendrocytes. Accordingly, NSCs hold great promise in drug screening and treatment of several common diseases. However, a major obstacle in applied stem cell research is the limitation of synthetic matrices for culturing stem...

journal_title：Biomaterials

authors： Lewicka M,Hermanson O,Rising AU

更新日期：2012-11-01 00:00:00

abstract：:Microcontact printing (mCP) is employed to generate discontinuous microscale gradients of active fractalkine, a chemokine expressed by endothelial cells near sites of inflammation where it is believed to form concentration gradients descending away from the inflamed area. In vivo, fractalkine is a transmembrane molecu...

journal_title：Biomaterials

authors： Hjortø GM,Hansen M,Larsen NB,Kledal TN

更新日期：2009-10-01 00:00:00

abstract：:Liposome is one of the most commonly used drug delivery systems in the world, due to its excellent biocompatibility, satisfactory ability in controlling drug release, and passive targeting capability. However, some drawbacks limit the application of liposomes in clinical, such as problems in transporting, storing, and...

journal_title：Biomaterials

authors： Cheng R,Liu L,Xiang Y,Lu Y,Deng L,Zhang H,Santos HA,Cui W

更新日期：2020-02-01 00:00:00

abstract：:The early biological response at titanium (Ti), copper (Cu)-coated Ti and sham sites was evaluated in an in vivo rat model. Material surface chemical and topographical properties were characterized using Auger electron spectroscopy, energy dispersive X-ray spectroscopy and interferometry, respectively. The number of l...

journal_title：Biomaterials

authors： Suska F,Gretzer C,Esposito M,Emanuelsson L,Wennerberg A,Tengvall P,Thomsen P

更新日期：2005-02-01 00:00:00