Drug loading onto ion-exchange microspheres: modeling study and experimental verification.

abstract：:The micro-environment is an important factor in the differentiation of cultured stem cells for the purpose of site specific transplantation. In an attempt to optimize differentiation conditions, co-culture systems composed of both stem cells and primary cells or cell lines were used in hydrogel with in vitro and in vi...

journal_title：Biomaterials

authors： Park JS,Yang HN,Woo DG,Kim H,Na K,Park KH

更新日期：2010-10-01 00:00:00

abstract：:The aim of this in vitro study was to evaluate the antimicrobial activity, the substantivity, and surface effects of the inclusion compound tetracycline: beta-cyclodextrin on bovine roots. The antimicrobial activity was assessed by dentine slabs which had been immersed in the inclusion complex in concentrations 8.0%, ...

journal_title：Biomaterials

authors： Pataro AL,Franco CF,Santos VR,Cortés ME,Sinisterra RD

更新日期：2003-03-01 00:00:00

abstract：:PVA-AA, an esterification product of poly(vinyl alcohol) and acryloyl chloride, was synthesized and tested for its dentine bonding ability as an additive to 2-hydroxyethyl methacrylate (HEMA). The dentine bonding strength increased significantly by increasing the concentration of PVA-AA in HEMA. The dentine tensile bo...

journal_title：Biomaterials

authors： Gung YW,Kuo SM,Wang YJ

更新日期：1997-02-01 00:00:00

abstract：:The objective of this study was to investigate the moisture absorption, physical-mechanical and bioadhesive properties of hot-melt extruded hydroxypropylcellulose (HPC) films containing polymer additives. These additives included polyethylene glycol (PEG) 5%, polycarbophil 5%, carbomer 5%, Eudragit E-100 5%, and sodiu...

journal_title：Biomaterials

authors： Repka MA,McGinity JW

更新日期：2000-07-01 00:00:00

abstract：:We synthesized arginine-conjugated polypropylenimine dendrimer G2 (DAB-8), PPI2-R for gene delivery systems. Synthesized PPI2-R could retard plasmid DNA at a weight ratio of 4 completely and PPI2-R polyplexes showed a fluorescence of less than 10% over a charge ratio of 2 by PicoGreen reagent assay, suggesting its goo...

journal_title：Biomaterials

authors： Kim TI,Baek JU,Zhe Bai C,Park JS

更新日期：2007-04-01 00:00:00

abstract：:A series of in vitro screening assays for the preliminary selection of biomaterials for use in the fabrication of artificial corneas (keratoprostheses) (KPros) have been investigated. These screening assays assessed the initial binding of inflammatory and cell adhesive proteins, activation of inflammatory proteins, ad...

journal_title：Biomaterials

authors： Sandeman SR,Lloyd AW,Tighe BJ,Franklin V,Li J,Lydon F,Liu CS,Mann DJ,James SE,Martin R

更新日期：2003-11-01 00:00:00

abstract：:Local contact stresses at the bone-cement interface are thought to play an important role in the initiation of component loosening. A reduced-modulus bone cement can lower these local contact stresses. The viscoelastic properties of such a cement raised the question of long term subsidence of the implant system. In th...

journal_title：Biomaterials

authors： Yetkinler DN,Litsky AS

更新日期：1998-09-01 00:00:00

abstract：:Particle-based vaccine delivery systems are under exploration to enhance antigen-specific immunity against safe but poorly immunogenic polypeptide antigens. Chitosan is a promising biomaterial for antigen encapsulation and delivery due to its ability to form nano- and microparticles in mild aqueous conditions thus pre...

journal_title：Biomaterials

authors： Koppolu B,Zaharoff DA

更新日期：2013-03-01 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：:In the present study, we tested the hypothesis that electroporation-mediated transfer of Runx2, Osterix, or both genes enhances the in vitro and in vivo osteogenesis from adipose stem cells (ASCs). ASCs were transfected with Runx2, Osterix, or both genes using electroporation, and further cultured in monolayer or in P...

journal_title：Biomaterials

authors： Lee JS,Lee JM,Im GI

更新日期：2011-01-01 00:00:00

abstract：:A variety of bioactive composites have been investigated over the last two decades as substitute materials for diseased or damaged tissues in the human body. In this paper, the rationale and strategy of developing these composites are given. Major factors influencing the production and performance of bioactive composi...

journal_title：Biomaterials

authors： Wang M

更新日期：2003-06-01 00:00:00

abstract：:Acute and chronic wounds affect millions and are associated with billions of dollars in healthcare costs. The use of healing markers, biochemical cues from biocompatible matrices and materials, and their correlation with wound healing has the potential to generate valuable diagnostic, prognostic, and therapeutic infor...

journal_title：Biomaterials

authors： Roussakis E,Ortines RV,Pinsker BL,Mooers CT,Evans CL,Miller LS,Calderón-Colón X

更新日期：2019-08-01 00:00:00

abstract：:Immune response testing of biomaterials is an essential component of biocompatibility assessment, particularly when the materials of interest are used to design bioresorbable scaffolds with the potential to promote in situ regeneration. Current trends in immune response testing of biomaterials typically examine few el...

journal_title：Biomaterials

authors： Smith MJ,White KL Jr,Smith DC,Bowlin GL

更新日期：2009-01-01 00:00:00

abstract：:The repair of spinal cord injury (SCI) highly relies on microenvironment remodeling and facilitating the recruitment and neuronal differentiation of endogenous stem/progenitor cells. Decellularized tissue matrices (DTMs) have shown their unique and beneficial characteristics in promoting neural tissue regeneration, es...

journal_title：Biomaterials

authors： Xu Y,Zhou J,Liu C,Zhang S,Gao F,Guo W,Sun X,Zhang C,Li H,Rao Z,Qiu S,Zhu Q,Liu X,Guo X,Shao Z,Bai Y,Zhang X,Quan D

更新日期：2021-01-01 00:00:00

abstract：:Understanding mechanisms that govern cell fate determination of human induced pluripotent stem cells (hiPSCs) could assist in maintenance of the undifferentiated state during cell expansion. We used polyamidoamine dendrimer surfaces with first-generation (G1), third-generation (G3) and fifth-generation (G5) of dendron...

journal_title：Biomaterials

authors： Kim MH,Kino-oka M

更新日期：2014-07-01 00:00:00

abstract：:In order to develop a more effective self-etching primer, with a longer lasting shelf life, we designed a self-etching primer comprised of methacrylamide, N-methacryloyl glycine, NMGly. In this study, the hydrolytic stability of the amide portion in the NMGly was examined. The difference in the hydrolytic stability be...

journal_title：Biomaterials

authors： Nishiyama N,Suzuki K,Yoshida H,Teshima H,Nemoto K

更新日期：2004-03-01 00:00:00

abstract：:Translation of micelles from the laboratory to the clinic is limited by a poor understanding of their in vivo fate following administration. In this paper, we establish a robust approach to real-time monitoring of the in vivo stability of micelles using Förster Resonance Energy Transfer (FRET). This characterization m...

journal_title：Biomaterials

authors： Morton SW,Zhao X,Quadir MA,Hammond PT

更新日期：2014-04-01 00:00:00

abstract：:Novel biological adhesives made from chitin derivatives were prepared and evaluated for their adhesive properties and biocompatibility. Chitin derivatives with acrylic groups, such as 2-hydroxy-3-methacryloyloxypropylated carboxymethyl chitin (HMA-CM-chitin), were synthesized and cured by the addition of an aqueous hy...

journal_title：Biomaterials

authors： Azuma K,Nishihara M,Shimizu H,Itoh Y,Takashima O,Osaki T,Itoh N,Imagawa T,Murahata Y,Tsuka T,Izawa H,Ifuku S,Minami S,Saimoto H,Okamoto Y,Morimoto M

更新日期：2015-02-01 00:00:00

abstract：:The water absorption characteristics of resins, upon which many composite filling materials are based, have been studied. In general, the equilibrium uptake is less than that predicted from the water absorption of composite filling materials, if it is assumed that the polymer alone absorbs the water. Also, whereas the...

journal_title：Biomaterials

authors： Braden M,Davy KW

更新日期：1986-11-01 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 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：:There are few suitable techniques available to sterilize biodegradable polyester three-dimensional tissue engineering scaffolds because they are susceptible to degradation and/or morphological degeneration by high temperature and pressure. We used a novel polyllactide-co-glycolide) scaffold (Osteofoam) to determine th...

journal_title：Biomaterials

authors： Holy CE,Cheng C,Davies JE,Shoichet MS

更新日期：2001-01-01 00:00:00

abstract：:Systemic lupus erythematosus (SLE) is an autoimmune disease. Antibodies directed mainly against DNA and/or phospholipids are present in the serum of SLE patients. Therefore phosphorylated polystyrene derivatives acting as DNA-like polymers should be able to interact with the SLE anti-DNA antibodies. Such functional po...

journal_title：Biomaterials

authors： Letourneur D,Jozefowicz M

更新日期：1992-01-01 00:00:00

abstract：:RNA interference holds tremendous potential as a therapeutic approach of malignant tumors. However, safe and efficient nanovectors are extremely lack for systemic delivery of small interfering RNA (siRNA). The study aimed to develop a biomimetic nanovector, reconstituted high density lipoprotein (rHDL), mediating targ...

journal_title：Biomaterials

authors： Ding Y,Wang W,Feng M,Wang Y,Zhou J,Ding X,Zhou X,Liu C,Wang R,Zhang Q

更新日期：2012-12-01 00:00:00

abstract：:Anti-VEGF drugs that are used in conjunction with laser ablation to treat patients with diabetic retinopathy suffer from short half-lives in the vitreous of the eye resulting in the need for frequent intravitreal injections. To improve the intravitreal half-life of anti-VEGF drugs, such as the VEGF decoy receptor sFlt...

journal_title：Biomaterials

authors： Altiok EI,Santiago-Ortiz JL,Svedlund FL,Zbinden A,Jha AK,Bhatnagar D,Loskill P,Jackson WM,Schaffer DV,Healy KE

更新日期：2016-07-01 00:00:00

abstract：:Load-bearing tissues, like bone, can be replaced by engineered tissues or tissue constructs. For the success of this treatment, a profound understanding is needed of the mechanical properties of both the native bone tissue and the construct. Also, the interaction between mechanical loading and bone regeneration and ad...

journal_title：Biomaterials

authors： Jaecques SV,Van Oosterwyck H,Muraru L,Van Cleynenbreugel T,De Smet E,Wevers M,Naert I,Vander Sloten J

更新日期：2004-04-01 00:00:00

abstract：:Hierarchical structured nanomaterials with diverse functionality, such as magnetic susceptibility, stimuli-responsiveness, environmental sensing and biocompatibility, are highly sought after for biomedicine and biodetection alike. In this study, we designed and fabricated a new kind of multifunctional core/shell nanos...

journal_title：Biomaterials

authors： Li D,Zhang YT,Yu M,Guo J,Chaudhary D,Wang CC

更新日期：2013-10-01 00:00:00

abstract：:A technique for preparing micropatterns and gradients of proteins on polymeric substrates has been developed in this work. Peroxides were generated on the substrate surface by UV preirradiation and they initiated graft polymerization of acrylic acid (AA) onto the surface upon a second UV irradiation. Micropatterns and...

journal_title：Biomaterials

authors： Li B,Ma Y,Wang S,Moran PM

更新日期：2005-05-01 00:00:00

abstract：:This work describes the use of aqueous two-phase systems to print cell-containing contractile collagen microdroplets. The fully aqueous conditions enable convenient formation of sub-microliter 'microgels' that are much smaller than otherwise possible to fabricate while maintaining high cell viability. The produced mic...

journal_title：Biomaterials

authors： Moraes C,Simon AB,Putnam AJ,Takayama S

更新日期：2013-12-01 00:00:00

abstract：:The effect of inclusion of an immobilization matrix and the capsule membrane permeability on the viability, metabolic activity, and proliferation of encapsulated HEK cells was investigated in vitro. In the absence of a matrix, a particular transfected HEK cell line formed a single aggregate in the core of the poly(hyd...

journal_title：Biomaterials

authors： Lahooti S,Sefton MV

更新日期：2000-05-01 00:00:00