Mucoadhesive polymers with immobilized proteinase inhibitors for oral administration of protein drugs.

abstract：:Alginate-polylysine (PLL) capsules are commonly applied for immunoprotection of endocrine tissues. Alginate is composed of mannuronic acid (M) and guluronic acid (G). Different types of alginate have different ratios of G to M, but little is known of the influence of these differences on biocompatibility. Therefore, w...

journal_title：Biomaterials

authors： De Vos P,De Haan B,Van Schilfgaarde R

更新日期：1997-02-01 00:00:00

abstract：:Studies have suggested that mesenchymal stem cells (MSCs) have therapeutic effects following traumatic brain injury (TBI). However, cell distribution and survival rate are two major barriers to their success as therapeutic treatment. The improvement of cell therapy using collagen delivery matrices had been reported. H...

journal_title：Biomaterials

authors： Guan J,Zhu Z,Zhao RC,Xiao Z,Wu C,Han Q,Chen L,Tong W,Zhang J,Han Q,Gao J,Feng M,Bao X,Dai J,Wang R

更新日期：2013-08-01 00:00:00

abstract：:Stem cell-based gene therapies, wherein stem cells are genetically engineered to express therapeutic molecules, have shown tremendous potential for cancer applications owing to their innate ability to home to tumors. However, traditional stem cell-based gene therapies are hampered by our current inability to control w...

journal_title：Biomaterials

authors： Yin PT,Shah S,Pasquale NJ,Garbuzenko OB,Minko T,Lee KB

更新日期：2016-03-01 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 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：:Microcontact printed polymeric substrates were evaluated for their ability to control Schwann cell attachment and direct proliferation, as Schwann cell guidance is a crucial factor in directing peripheral nerve regeneration. Elastomeric stamps of poly(dimethylsiloxane) were "inked" with laminin, a permissive protein f...

journal_title：Biomaterials

authors： Schmalenberg KE,Uhrich KE

更新日期：2005-04-01 00:00:00

abstract：:The physiological activity of hyaluronic acid (HA) polymers and oligomers makes it a promising material for a variety of applications. The development of HA-hydrogel scaffolds with improved mechanical stability against degradation and biochemical functionality may enhance their application to tissue engineering. In th...

journal_title：Biomaterials

authors： Segura T,Anderson BC,Chung PH,Webber RE,Shull KR,Shea LD

更新日期：2005-02-01 00:00:00

abstract：:The oriented attachment of hydroxyapatite (HAP) nanorods was achieved through a hydrothermal treatment. The nanorods were arranged in order along the c-axis of the HAP. These formed ca. 3.5 slip-shaped pores between the rods. High-resolution transmission electron (HRTEM) also revealed that single crystals of HAP may g...

journal_title：Biomaterials

authors： Chen JD,Wang YJ,Wei K,Zhang SH,Shi XT

更新日期：2007-05-01 00:00:00

abstract：:The bulk, surface and blood-contacting properties of a series of polyether polyurethanes, modified with three different polydimethylsiloxane (PDMS) macroglycol segments, were evaluated. The PDMS oligomers were terminated with hydroxy-tipped end groups of varying polarity. The effect of substituting the polytetramethyl...

journal_title：Biomaterials

authors： Okkema AZ,Fabrizius DJ,Grasel TG,Cooper SL,Zdrahala RJ

更新日期：1989-01-01 00:00:00

abstract：:Leaflet tissue specimens prepared from porcine aortic valves treated with glutaraldehyde at low and high pressures have been subjected to 0.45 x 10(9) accelerated fatigue cycles in Ringer's solution. The waveform or crimped property of the collagen fibres in the leaflet tissue is an essential requirement for its abili...

journal_title：Biomaterials

authors： Broom ND

更新日期：1980-01-01 00:00:00

abstract：:A surface with covalently bonded heparin was tested in an in vivo model. Heparinized and non-heparinized tubings were inserted in the pig aorta. They were left in place for up to 16 wk. After removal they were analysed for their capacity to take up and inhibit thrombin. A comparison was also made with tubings that had...

journal_title：Biomaterials

authors： Arnander C,Bagger-Sjöbäck D,Frebelius S,Larsson R,Swedenborg J

更新日期：1987-11-01 00:00:00

abstract：:Inspired by nature's toughening mechanisms, we designed a new polyhedral oligomeric silsesquioxane (POSS)-derived hybrid glass (PHG) that has covalent interactions on the molecular scale between the inorganic POSS cage and organic phase. These features allow "elastic deformation" of the inorganic POSS cage in limited ...

journal_title：Biomaterials

authors： Zhou X,Sahai N,Qi L,Mankoci S,Zhao W

更新日期：2015-05-01 00:00:00

abstract：:Membranes based on mechanically supported poly(vinyl alcohol) (PVA) hydrogels with mesh-size asymmetry were developed for potential application in biohybrid artificial organs. The pores of cellulose ester microfiltration membranes were impregnated with a PVA solution, which was lightly crosslinked with glutaraldehyde ...

journal_title：Biomaterials

authors： Dai WS,Barbari TA

更新日期：2000-07-01 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：:Conventional amputation prosthetics are problematic because they rely on the stump-socket interface for attachment. Intraosseous transcutaneous amputation prostheses (ITAP) could solve these problems; however they rely on the integrity of the soft tissue-implant interface as a barrier to exogenous agents, and in the p...

journal_title：Biomaterials

authors： Pendegrass CJ,Goodship AE,Blunn GW

更新日期：2006-08-01 00:00:00

abstract：:The development of biocompatible photopolymerizing polymers for biomedical and tissue engineering applications has the potential to reduce the invasiveness and cost of biomaterial implants designed to repair or augment tissues. However, more information is needed about the cellular toxicity of the compounds and initia...

journal_title：Biomaterials

authors： Williams CG,Malik AN,Kim TK,Manson PN,Elisseeff JH

更新日期：2005-04-01 00:00:00

abstract：:Tumor-homing cytotoxic stem cell (SC) therapy is a promising new approach for treating the incurable brain cancer glioblastoma (GBM). However, problems of retaining cytotoxic SCs within the post-surgical GBM resection cavity are likely to significantly limit the clinical utility of this strategy. Here, we describe a n...

journal_title：Biomaterials

authors： Bagó JR,Pegna GJ,Okolie O,Hingtgen SD

更新日期：2016-04-01 00:00:00

abstract：:Supramolecular assemblies have attracted a great attention, due to their intriguing topologies and their application in various fields such as nanodevices, sensors, molecular switches, and drug delivery systems. In this study, we prepared the monosubstituted insulin with poly(ethylene glycol) (PEG, MW about 2200) and ...

journal_title：Biomaterials

authors： Higashi T,Hirayama F,Misumi S,Arima H,Uekama K

更新日期：2008-10-01 00:00:00

abstract：:Nitric oxide is a cell signaling molecule that can be a potent inducer of cell death in cancers at elevated concentrations. However, NO is also toxic to normal tissues and chronic exposure at low levels can induce tumor growth. We have designed a polymeric carrier system to deliver nitric oxide locoregionally to tumor...

journal_title：Biomaterials

authors： Duan S,Cai S,Yang Q,Forrest ML

更新日期：2012-04-01 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：:Microvessels of the blood-brain barrier (BBB) regulate transport into the brain. The highly specialized brain microvascular endothelial cells, a major component of the BBB, express tight junctions and efflux transporters which regulate paracellular and transcellular permeability. However, most existing models of BBB m...

journal_title：Biomaterials

authors： Linville RM,DeStefano JG,Sklar MB,Xu Z,Farrell AM,Bogorad MI,Chu C,Walczak P,Cheng L,Mahairaki V,Whartenby KA,Calabresi PA,Searson PC

更新日期：2019-01-01 00:00:00

abstract：:Biomedical device-associated infection is one of the most common and problematic complications faced by millions of patients worldwide. The current antibiotic therapy strategies face challenges, the most serious of which is antibiotic resistance. Studies have shown that the systemic level of interleukin 12 (IL-12) dec...

journal_title：Biomaterials

authors： Li B,Jiang B,Boyce BM,Lindsey BA

更新日期：2009-05-01 00:00:00

abstract：:The objective of the study was to examine the effect of alkali ion release, pH control and buffer capacity on the expression of the osteoblastic phenotype. In addition we determined the importance of modifications of the surface of porous bioactive glass (BG) on the activity of rat calvaria osteoblasts in vitro. We fo...

journal_title：Biomaterials

authors： el-Ghannam A,Ducheyne P,Shapiro IM

更新日期：1997-02-01 00:00:00

abstract：:Solid tissues in the body possess a range of stiffness and provide cells with an instructive microenvironment. Scaffolds in tissue engineering should be rationally designed to become an adhesion substrate friendly to cells. Schwann cells are the principal glial cell in the peripheral nervous system and used as support...

journal_title：Biomaterials

authors： Gu Y,Ji Y,Zhao Y,Liu Y,Ding F,Gu X,Yang Y

更新日期：2012-10-01 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：:The translation of experimental stroke research from the laboratory to successful clinical practice remains a formidable challenge. We previously reported that PEGylated-lipid nanoparticles (PLNs) effectively transport across the blood-brain barrier along with less inflammatory responses. In the present study, PLNs co...

journal_title：Biomaterials

authors： Lu YM,Huang JY,Wang H,Lou XF,Liao MH,Hong LJ,Tao RR,Ahmed MM,Shan CL,Wang XL,Fukunaga K,Du YZ,Han F

更新日期：2014-01-01 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：:Micro- and nano-scale intelligent devices can revolutionize the medical field. Although proteins are promising materials for creating biocompatible miniature medical devices with biological functions, construction of complicated solid-state architectures, using inherently vulnerable proteins, remains challenging. Here...

journal_title：Biomaterials

authors： Yamazoe H

更新日期：2018-02-01 00:00:00

abstract：:As double stranded, single stranded siRNA (ss-siRNA) has demonstrated gene silencing activity but still requires efficient carriers to reach its cytoplasmic target. To better understand the fundamental aspect driving the complexation of ss-siRNA with nanocarriers, the interactions between surfaces of various compositi...

journal_title：Biomaterials

authors： Giraud L,Viricel W,Leblond J,Giasson S

更新日期：2017-01-01 00:00:00

abstract：:Vesicoureteral reflux and urinary incontinence can be treated by endoscopic injection. Injectables such as collagen and hyaluronic acid-dextranomer are commonly used, however are not offering optimal therapeutic effect yet. In the present study a novel application for poly(acrylonitrile)-based hydrogel (Hypan), alread...

journal_title：Biomaterials

authors： Ramseyer P,Meagher-Villemure K,Burki M,Frey P

更新日期：2007-02-01 00:00:00