Polyethyleneimine-mediated synthesis of folic acid-targeted iron oxide nanoparticles for in vivo tumor MR imaging.

abstract：:A surface functionalization strategy that produces substrates with well-controlled ligand density is critical to investigating the role of cell-substrate interactions in regulating cell adhesion, viability, migration, proliferation and differentiation. Towards this end, we have designed and synthesized a triblock prot...

journal_title：Biomaterials

authors： Fischer SE,Liu X,Mao HQ,Harden JL

更新日期：2007-08-01 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：:Given that vascular endothelial growth factor (VEGF) and placental growth factor (PIGF), over-expressed in breast cancer cells and M2-like tumor-associated macrophages (M2-TAMs) within tumor microenvironment (TME), work synergistically and independently in mediating tumor progression and immunosuppression, combinatori...

journal_title：Biomaterials

authors： Song Y,Tang C,Yin C

更新日期：2018-12-01 00:00:00

abstract：:Improving the immunogenicity of subunit vaccines, in particular skewing of the immune response towards Th1 type immunity, is crucial for the development of effective vaccines against intracellular infections and for the development of anti-cancer vaccines. Small molecule TLR7/8 agonist hold high potential for this pur...

journal_title：Biomaterials

authors： Nuhn L,Van Hoecke L,Deswarte K,Schepens B,Li Y,Lambrecht BN,De Koker S,David SA,Saelens X,De Geest BG

更新日期：2018-09-01 00:00:00

abstract：:The blood-brain barrier (BBB) prevents entry of neurotoxic substances but also that of drugs into the brain. Here, the paracellular barrier is formed by tight junctions (TJs) with claudin-5 (Cldn5) being the main sealing constituent. Transient BBB opening by targeting Cldn5 could improve paracellular drug delivery. Th...

journal_title：Biomaterials

authors： Neuhaus W,Piontek A,Protze J,Eichner M,Mahringer A,Subileau EA,Lee IM,Schulzke JD,Krause G,Piontek J

更新日期：2018-04-01 00:00:00

abstract：:Bioglass 45S5 is a silica-based melt-derived glass, used in medical field as a bone regenerative material because of the deposition of a layer of hydroxy carbonate apatite (HCA) on the surface of the glass when immersed in body fluid. The present paper studies the early steps of reaction of 2-microm sized particles of...

journal_title：Biomaterials

authors： Cerruti M,Greenspan D,Powers K

更新日期：2005-05-01 00:00:00

abstract：:We present a new ultrasonic technique for monitoring the entire setting process of injectable bone cement. The problem with existing standards is their subjectivity. Because of this the results are not comparable between different research groups. A strong advantage with the proposed technique is that it is non-invasi...

journal_title：Biomaterials

authors： Carlson J,Nilsson M,Fernández E,Planell JA

更新日期：2003-01-01 00:00:00

abstract：:Monocytes/Macrophages have long been recognized as key players in inflammation and wound healing and are often employed in vitro to gain an understanding of the inflammatory response to biomaterials. Previous work has demonstrated a drastic decrease in primary monocyte adherent density on biomaterial surfaces coupled ...

journal_title：Biomaterials

authors： Waldeck H,Wang X,Joyce E,Kao WJ

更新日期：2012-01-01 00:00:00

abstract：:Previous in vivo studies have shown a limited potential for vertical bone regeneration using osteoconductive scaffolds alone. In the present study, we investigated whether the association of adipose-derived adult stem cells (ASCs) with anorganic bovine bone (ABB) scaffold improved bone formation and implant osseointeg...

journal_title：Biomaterials

authors： Pieri F,Lucarelli E,Corinaldesi G,Aldini NN,Fini M,Parrilli A,Dozza B,Donati D,Marchetti C

更新日期：2010-05-01 00:00:00

abstract：:Albumin is a promising surface modifier of nanoparticulate drug delivery systems. Serving as a dysopsonin, albumin can protect circulating nanoparticles (NPs) from the recognition and clearance by the mononuclear phagocytic system (MPS). Albumin may also help transport the NPs to solid tumors based on the increased co...

journal_title：Biomaterials

authors： Hyun H,Park J,Willis K,Park JE,Lyle LT,Lee W,Yeo Y

更新日期：2018-10-01 00:00:00

abstract：:The authors prepared 7.5% and 12.5% collagen gel, and supplemented it with the tripeptide Gly-His-Lys (GHK), perfloxacine and hypersulphated glycosaminoglycan (HSGAG). By means of 125l marking, its absorption was followed from small polyurethane sponges placed under the skin of rats. The absorption of gel without HSGA...

journal_title：Biomaterials

authors： Pohunková H,Stehlík J,Váchal J,Cech O,Adam M

更新日期：1996-08-01 00:00:00

abstract：:Bioengineering of whole hearts using human embryonic stem cells (hESCs)-derived cardiovascular progenitor cells (CPCs) and natural matrices is a promising approach to overcome organ donor shortage threatening millions of patients awaiting for heart transplantation. Here, we developed a novel strategy for generation of...

journal_title：Biomaterials

authors： Rajabi S,Pahlavan S,Ashtiani MK,Ansari H,Abbasalizadeh S,Sayahpour FA,Varzideh F,Kostin S,Aghdami N,Braun T,Baharvand H

更新日期：2018-02-01 00:00:00

abstract：:Embryonic stem cells (ESCs) are promising cell sources for cell-based therapy. It has been established that the formation of ESC aggregates promotes their differentiation into the derivatives of all three germ layers. ESC aggregates are generally prepared via the formation of suspended spherical aggregates called embr...

journal_title：Biomaterials

authors： Sasaki D,Shimizu T,Masuda S,Kobayashi J,Itoga K,Tsuda Y,Yamashita JK,Yamato M,Okano T

更新日期：2009-09-01 00:00:00

abstract：:Titanium implants have been used widely and successfully for various types of bone-anchored reconstructions. It is believed that properties of oxide films covering titanium implant surfaces are of crucial importance for a successful osseointegration, in particular at compromized bone sites. The aim of the present stud...

journal_title：Biomaterials

authors： Sul YT,Johansson CB,Petronis S,Krozer A,Jeong Y,Wennerberg A,Albrektsson T

更新日期：2002-01-01 00:00:00

abstract：:High-molecular-weight polyethylenimine (25 kDa, PEI25k) is one of the most common cationic polymers utilized in non-viral gene therapy. However, its methylene backbone (-CH(2)CH(2)N(x)-) and high charge density can result in poor biodegradability and high toxicity to cells. We hypothesize that optimizing the polymer l...

journal_title：Biomaterials

authors： Xiong MP,Forrest ML,Ton G,Zhao A,Davies NM,Kwon GS

更新日期：2007-11-01 00:00:00

abstract：:This work demonstrated the development of multifunctional silica nanotubes (SNT) by functionalization of their inner void and outer surface with magnetic-fluorescence nanocomposites and cationic polymers, respectively. The successful construction of BPEI-SNT was established by electron energy loss spectroscopy in conj...

journal_title：Biomaterials

authors： Namgung R,Zhang Y,Fang QL,Singha K,Lee HJ,Kwon IK,Jeong YY,Park IK,Son SJ,Kim WJ

更新日期：2011-04-01 00:00:00

abstract：:Bioencapsulation involves the envelopment of tissues or biological active substances in semipermeable membranes. Bioencapsulation has been shown to be efficacious in mimicking the cell's natural environment and thereby improves the efficiency of production of different metabolites and therapeutic agents. The field of ...

journal_title：Biomaterials

authors： de Vos P,Bucko M,Gemeiner P,Navrátil M,Svitel J,Faas M,Strand BL,Skjak-Braek G,Morch YA,Vikartovská A,Lacík I,Kolláriková G,Orive G,Poncelet D,Pedraz JL,Ansorge-Schumacher MB

更新日期：2009-05-01 00:00:00

abstract：:Cationic polymers are currently being studied as non-viral vectors to deliver therapeutic DNA into cells. In this study, a series of trehalose-based glycopolymers containing four secondary amines in the repeat unit were synthesized via the 'click reaction' [degrees of polymerization (n(w))=35, 53, 75, or 100] to eluci...

journal_title：Biomaterials

authors： Srinivasachari S,Liu Y,Prevette LE,Reineke TM

更新日期：2007-06-01 00:00:00

abstract：:Selective isolation and purification of circulating tumor cells (CTCs) from whole blood is an important capability for both clinical medicine and biological research. Current techniques to perform this task place the isolated cells under excessive stresses that reduce cell viability, and potentially induce phenotype c...

journal_title：Biomaterials

authors： Li W,Reátegui E,Park MH,Castleberry S,Deng JZ,Hsu B,Mayner S,Jensen AE,Sequist LV,Maheswaran S,Haber DA,Toner M,Stott SL,Hammond PT

更新日期：2015-10-01 00:00:00

abstract：:A number of phase separation pHEMA sponge hydrogels have been prepared based on variations in monomer contents, concentration of cross-linking agent, solvent mixture and temperature of polymerization. The loading levels and release profiles of the anti-inflammatory drug prednisolone were examined for each of the pHEMA...

journal_title：Biomaterials

authors： Lou X,Munro S,Wang S

更新日期：2004-09-01 00:00:00

abstract：:Films made of poly (3-hydroxybutyrate) (PHB), poly(3-hydroxybutyrate- co-3-hydroxyhexanoate) (PHBHHx) consisting of 5%, 12% and 20% hydroxyhexanoate (HHx), respectively, were evaluated for biomedical application in comparison with poly (L-Lactide) (PLA). With the increase of HHx content in PHBHHx, the polymer surface ...

journal_title：Biomaterials

authors： Wang YW,Yang F,Wu Q,Cheng YC,Yu PH,Chen J,Chen GQ

更新日期：2005-03-01 00:00:00

abstract：:In previous papers, we have described the preparation and heparin-like properties of insoluble modified polystyrene resins. We now report results obtained with amino acid sulphamide resins that are virtually devoid of sulphonate groups and with resins bearing both sulphonate groups as well as amino acid sulphamides wi...

journal_title：Biomaterials

authors： Fougnot C,Dupillier MP,Jozefowicz M

更新日期：1983-04-01 00:00:00

abstract：:Sub-micron particles of bioactive glass (SMBGs) with composition 85 mol% SiO(2) and 15 mol% CaO were synthesised and characterised. Bioactivity was demonstrated by the formation of calcium apatite following 5 days immersion in simulated body fluid (SBF). The effect of a 24 h exposure of SMBGs (100 μg/ml, 150 μg/ml, 20...

journal_title：Biomaterials

authors： Labbaf S,Tsigkou O,Müller KH,Stevens MM,Porter AE,Jones JR

更新日期：2011-02-01 00:00:00

abstract：:A system of nanoparticles of mixed lipid monolayer shell and biodegradable polymer core was developed for targeted delivery of anticancer drugs with Docetaxel as a model drug, which provide targeting versatility with a quantitative control of the targeting effect by adjusting the lipid component ratio of the mixed lip...

journal_title：Biomaterials

authors： Liu Y,Li K,Pan J,Liu B,Feng SS

更新日期：2010-01-01 00:00:00

abstract：:Collagen fibers are essential components of tissues, which are highly conserved across the animal kingdom and could be extremely useful in tissue engineering. The formation of these macromolecular fibers depends on molecular interactions-based self-assembly of the basic building blocks of collagen called tropocollagen...

journal_title：Biomaterials

authors： Krishnamoorthy N,Yacoub MH,Yaliraki SN

更新日期：2011-10-01 00:00:00

abstract：:Low back pain is one of the most common medical conditions in the Western world. Disc degeneration, an inevitable process of aging, of variable rate and degree, is one of the major causes of low back pain. Currently, there are two major surgical interventions for treating conditions related to the degenerative disc: d...

journal_title：Biomaterials

authors： Bao QB,McCullen GM,Higham PA,Dumbleton JH,Yuan HA

更新日期：1996-06-01 00:00:00

abstract：:Focal infections that are caused by antibiotic-resistant bacteria are becoming an ever-growing challenge to human health. To address this challenge, a pH-responsive amphiphilic polymer of polyaniline-conjugated glycol chitosan (PANI-GCS) that can self-assemble into nanoparticles (NPs) in situ is developed. The PANI-GC...

journal_title：Biomaterials

authors： Korupalli C,Huang CC,Lin WC,Pan WY,Lin PY,Wan WL,Li MJ,Chang Y,Sung HW

更新日期：2017-02-01 00:00:00

abstract：:Strangles is an infectious disease caused by Streptococcus equi subspecies equi that affects the upper respiratory tract of the Equidae. The control of this disease seems to be dependent on its earlier detection and prevention, but prolonged animal protection without development of strong and severe side effects has n...

journal_title：Biomaterials

authors： Florindo HF,Pandit S,Gonçalves LM,Videira M,Alpar O,Almeida AJ

更新日期：2009-10-01 00:00:00

abstract：:A nanohybrid vesicle was developed from cholesteryl succinyl silane(CSS) in combination of sol-gel process and self-assembly technique. The silicalike surface adds CSS vesicles remarkably high stability against destabilization in blood or leakage of drug cargos. It was found that CSS vesicles alone exhibited selective...

journal_title：Biomaterials

authors： Ma Y,Dai Z,Zha Z,Gao Y,Yue X

更新日期：2011-12-01 00:00:00

abstract：:Dacron velour is often used to anchor a percutaneous device, like the catheter used in peritoneal dialysis. However, exit-site infections complicate this method of dialysis and are supposed to be related to the design of the catheter. In animal experiments, a percutaneous device provided with a titanium fibre mesh to ...

journal_title：Biomaterials

authors： Paquay YC,de Ruijter JE,van der Waerden JP,Jansen JA

更新日期：1996-06-01 00:00:00