Functional and histological evaluation of transplanted pancreatic islets immunoprotected by PEGylation and cyclosporine for 1 year.

abstract：:Mesoporous silica nanoshell (MSN) coating has been demonstrated as a versatile surface modification strategy for various kinds of inorganic functional nanoparticles, such as gold nanorods (GNRs), to achieve not only improved nanoparticle stability but also concomitant drug loading capability. However, limited drug loa...

journal_title：Biomaterials

authors： Xu C,Chen F,Valdovinos HF,Jiang D,Goel S,Yu B,Sun H,Barnhart TE,Moon JJ,Cai W

更新日期：2018-05-01 00:00:00

abstract：:FT-IR analysis was performed for the hydroxyapatite (HAp)/collagen (COL) nanocomposite cross-linked by glutaraldehyde (GA). The amide bands I, II and III from COL matrix, and phosphate and carbonate bands from HAp were identified. The amide B band arising from C-H stretching mode showed a sensitive conformation by the...

journal_title：Biomaterials

authors： Chang MC,Tanaka J

更新日期：2002-12-01 00:00:00

abstract：:Recent advances in efficient microRNA (miRNA) delivery techniques using brain-targeted nanoparticles offer critical information for understanding the functional role of miRNAs in vivo, and for supporting targeted gene therapy in terms of treating miRNA-associated neurological diseases. Here, we report the rabies virus...

journal_title：Biomaterials

authors： Hwang DW,Son S,Jang J,Youn H,Lee S,Lee D,Lee YS,Jeong JM,Kim WJ,Lee DS

更新日期：2011-07-01 00:00:00

abstract：:Cochlear implant (CI) is a successful device to restore hearing. Despite continuous development, frequency discrimination is poor in CI users due to an anatomical gap between the auditory neurons and CI electrode causing current spread and unspecific neural stimulation. One strategy to close this anatomical gap is gui...

journal_title：Biomaterials

authors： Li H,Edin F,Hayashi H,Gudjonsson O,Danckwardt-Lillieström N,Engqvist H,Rask-Andersen H,Xia W

更新日期：2017-04-01 00:00:00

abstract：:To evaluate the biocompatibility of chemically and structurally modified polyurethane elastomers for use as blood vessel replacements, small squares of vascular prostheses were cultured in direct contact with endothelium from chick embryo aorta using an organotypic culture assay. The polyurethane materials tested were...

journal_title：Biomaterials

authors： Guidoin R,Sigot M,King M,Sigot-Luizard MF

更新日期：1992-01-01 00:00:00

abstract：:The use of defined in vitro systems to study the developmental and physiological characteristics of a variety of cell types is increasing, due in large part to their ease of integration with tissue engineering, regenerative medicine, and high-throughput screening applications. In this study, myotubes derived from feta...

journal_title：Biomaterials

authors： Das M,Rumsey JW,Bhargava N,Stancescu M,Hickman JJ

更新日期：2009-10-01 00:00:00

abstract：:Crystalline carbonate- and sodium-and-carbonate-substituted hydroxyapatite (CO3HAp and NaCO3HAp) powders were prepared at room temperature via a heterogeneous reaction between Ca(OH)2/CaCO3/Na2CO3 and (NH4)2HPO4 aqueous solution using the mechanochemical hydrothermal route. X-ray diffraction, infrared spectroscopy, th...

journal_title：Biomaterials

authors： Suchanek WL,Shuk P,Byrappa K,Riman RE,TenHuisen KS,Janas VF

更新日期：2002-02-01 00:00:00

abstract：:One of the most common non-viral methods for the introduction of foreign deoxyribonucleic acid (DNA) into cultured cells is calcium phosphate co-precipitate transfection. This technique involves the encapsulation of DNA within a calcium phosphate co-precipitate, particulate addition to in vitro cell culture, endocytos...

journal_title：Biomaterials

authors： Kofron MD,Laurencin CT

更新日期：2004-06-01 00:00:00

abstract：:Porous scaffolds for skin tissue engineering were fabricated by freeze-drying the mixture of collagen and chitosan solutions. Glutaraldehyde (GA) was used to treat the scaffolds to improve their biostability. Confocal laser scanning microscopy observation confirmed the even distribution of these two constituent materi...

journal_title：Biomaterials

authors： Ma L,Gao C,Mao Z,Zhou J,Shen J,Hu X,Han C

更新日期：2003-11-01 00:00:00

abstract：:Currently available drug-eluting stents (DES) use polymers for coating and releasing drugs. Increasing evidence suggests that inflammatory and hypersensitive reactions are caused by such polymer coatings. This study focused on developing new techniques for delivering drugs directly from metal implant surfaces. Hydroxy...

journal_title：Biomaterials

authors： Mani G,Johnson DM,Marton D,Feldman MD,Patel D,Ayon AA,Agrawal CM

更新日期：2008-12-01 00:00:00

abstract：:Many joint diseases are associated with the deposition of crystals in articular cartilage. Three main types are commonly found: calcium pyrophosphate, calcium hydroxyapatite and monosodium urate. The effects of these articular crystals on the frictional properties and the surface condition of the articular cartilage w...

journal_title：Biomaterials

authors： Clift SE,Harris B,Dieppe PA,Hayes A

更新日期：1989-07-01 00:00:00

abstract：:A novel low-pressure radio-frequency plasma treatment protocol was developed to achieve the effective through-thickness surface modification of large porous poly (D,L-lactide) (PDLLA) polymer scaffolds using air or water: ammonia plasma treatments. Polymer films were modified as controls. Scanning electron micrographs...

journal_title：Biomaterials

authors： Safinia L,Datan N,Höhse M,Mantalaris A,Bismarck A

更新日期：2005-12-01 00:00:00

abstract：:To realize a fast and selective capture of nano drug vehicles (NDVs) by malignant tumors, an instant affinity switchable NDV based on pH-sensitive surface protonation was prepared. This NDV is prepared from a zwitterionic polymer system with an ultra resistant poly(carboxybetaine) (pCB) shell and sulfo groups near a h...

journal_title：Biomaterials

authors： Wang Z,Ma G,Zhang J,Yuan Z,Wang L,Bernards M,Chen S

更新日期：2015-09-01 00:00:00

abstract：:Dense, reconstituted collagen membranes, using an optimized cross-linking protocol, were implanted subcutaneously into rats. After implantation, only a mild inflammatory response in the surrounding tissues was observed. The morphology of the fibroblasts around the membranes was seen to go through characteristic stages...

journal_title：Biomaterials

authors： Boon ME,Ruijgrok JM,Vardaxis MJ

更新日期：1995-09-01 00:00:00

abstract：:Novel acid-base reaction cements have been developed for use as controlled release formulations. Many new ones have been discovered and assessed; these include those which are capable of releasing copper, cobalt or selenium singly or in combination. A selection was made of the most suitable formulations for this purpo...

journal_title：Biomaterials

authors： Prosser HJ,Wilson AD,Groffman DM,Brookman PJ,Allen WM,Gleed PT,Manston R,Sansom BF

更新日期：1986-03-01 00:00:00

abstract：:Valvular interstitial cells (VICs) actively maintain and repair heart valve tissue; however, persistent activation of VICs to a myofibroblast phenotype can lead to aortic stenosis. To better understand and quantify how microenvironmental cues influence VIC phenotype and myofibroblast activation, we compared expression...

journal_title：Biomaterials

authors： Mabry KM,Payne SZ,Anseth KS

更新日期：2016-01-01 00:00:00

abstract：:Besides toxicity tests, biokinetic studies are a fundamental part of investigations to evaluate a safe and sustainable use of nanoparticles. Today, gold nanoparticles (Au NPs) are known to be a versatile tool in different areas such as science, engineering or medicine. In this study, we investigated the biokinetics af...

journal_title：Biomaterials

authors： Lipka J,Semmler-Behnke M,Sperling RA,Wenk A,Takenaka S,Schleh C,Kissel T,Parak WJ,Kreyling WG

更新日期：2010-09-01 00:00:00

abstract：:It is known that the organic molecules can provide an effective means to manipulate the surface properties of the biodegradable ceramic. There are two ways to modify the surface of the biodegradable ceramic by organic molecules. The first one is through surface adsorption but organic molecules will easily be washed ou...

journal_title：Biomaterials

authors： Dong GC,Sun JS,Yao CH,Jiang GJ,Huang CW,Lin FH

更新日期：2001-12-01 00:00:00

abstract：:The photodynamic activity of a carrier-sensitizer system consisting of heterotopic colloidal nanoparticles (diameter 100-1000 nm) of a cationic amphiphilic cyclodextrin, heptakis(2-omega-amino-O-oligo(ethylene oxide)-6-hexylthio)-beta-CD (SC6CDNH2) encapsulating the anionic 5,10,15,20-tetrakis(4-sulfonatophenyl)-21H,2...

journal_title：Biomaterials

authors： Sortino S,Mazzaglia A,Monsù Scolaro L,Marino Merlo F,Valveri V,Sciortino MT

更新日期：2006-08-01 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：:The anterior cruciate ligament (ACL) is the most commonly injured intra-articular ligament of the knee, and limitations in existing reconstruction grafts have prompted an interest in tissue engineered solutions. Previously, we reported on a tissue-engineered ACL scaffold fabricated using a novel, three-dimensional bra...

journal_title：Biomaterials

authors： Lu HH,Cooper JA Jr,Manuel S,Freeman JW,Attawia MA,Ko FK,Laurencin CT

更新日期：2005-08-01 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：:Chemotherapeutic agents often cause severe side effects because they produce a similar cytotoxicity in both cancerous and healthy cells. In this study, a rational strategy was implemented to take advantage of a combination of both tumor microenvironment-sensitive polypeptides (TMSP) and folate to create a more selecti...

journal_title：Biomaterials

authors： Gao W,Xiang B,Meng TT,Liu F,Qi XR

更新日期：2013-05-01 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 aim of this study was to identify and quantify potential regional and directional variations in the quasistatic uniaxial mechanical properties of the passive urinary bladder wall. Overall, the lower body and trigone regions demonstrated the highest degree of directional anisotropy, whereas the ventral region demon...

journal_title：Biomaterials

authors： Korossis S,Bolland F,Southgate J,Ingham E,Fisher J

更新日期：2009-01-01 00:00:00

abstract：:Particulate wear debris of artificial joints, metallic and plastic, and solutions of metals in body fluids are known to have adverse effects. Encapsulation of the articulating parts would prevent wear debris from entering the surrounding tissue and check tissue ingrowth into the joint. The capsule could contain an art...

journal_title：Biomaterials

authors： Derbyshire B,Skorecki J,Wheble VH

更新日期：1980-01-01 00:00:00

abstract：:The purpose of this research was to develop porous poly(D,L-lactide-co-glycolide) (PLGA) scaffolds from which ascorbate-2-phosphate (AsAP) and dexamethasone (Dex) are continuously released for a month for osteogenesis of mesenchymal stem cells for bone tissue engineering. Porous PLGA matrices containing AsAP and Dex w...

journal_title：Biomaterials

authors： Kim H,Kim HW,Suh H

更新日期：2003-11-01 00:00:00

abstract：:New therapeutic strategies are needed for the growing unmet clinical needs in liver disease and fibrosis. Platelet activation and PDGF activity are recognized as important therapeutic targets; however, no therapeutic approach has yet addressed these two upstream drivers of liver fibrosis. We therefore designed a matri...

journal_title：Biomaterials

authors： Kabra H,Walimbe T,Stuart K,Indey C,Jalgaonkar S,Ikwa E,Skurnac T,Chen J,Woolley A,Snead NM,Bachtell N,Leeming DJ,Karsdal M,Prestwich G,Panitch A,Paderi J

更新日期：2020-11-17 00:00:00

abstract：:Biocompatibility and tissue regenerating capacity are essential characteristics in the design of collagenous biomaterials for tissue engineering. Attachment of glycosaminoglycans (GAGs) to collagen may add to these characteristics by creating an appropriate micro-environment. In this study, porous type I collagen matr...

journal_title：Biomaterials

authors： Pieper JS,van Wachem PB,van Luyn MJA,Brouwer LA,Hafmans T,Veerkamp JH,van Kuppevelt TH

更新日期：2000-08-01 00:00:00

abstract：:Capillary morphogenesis is a multistage, multicellular activity that plays a pivotal role in various developmental and pathological situations. In-depth understanding of the regulatory mechanism along with the capability of controlling the morphogenic process will have direct implications on tissue engineering and the...

journal_title：Biomaterials

authors： Sun J,Jamilpour N,Wang FY,Wong PK

更新日期：2014-03-01 00:00:00