abstract：:The positive interaction of materials with tissues is an important step in regenerative medicine strategies. Hydrogels that are obtained from polysaccharides and proteins are expected to mimic the natural cartilage environment and thus provide an optimum milleu for tissue growth and regeneration. In this work, novel h...

journal_title：Biomacromolecules

authors： Silva SS,Motta A,Rodrigues MT,Pinheiro AF,Gomes ME,Mano JF,Reis RL,Migliaresi C

更新日期：2008-10-01 00:00:00

abstract：:Poly(lactide)-block-poly(ethylene oxide)-block-poly(lactide) (PLA-PEO-PLA) triblock copolymers are known to form physical hydrogels in water as a result of the polymer's amphiphilicity. Their mechanical properties, biocompatibility, and biodegradability have made them attractive for use as soft tissue scaffolds. Howev...

journal_title：Biomacromolecules

authors： Sanabria-DeLong N,Crosby AJ,Tew GN

更新日期：2008-10-01 00:00:00

abstract：:First generation, photocrosslinkable dendrimers consisting of natural metabolites (i.e., succinic acid, glycerol, and beta-alanine) and nonimmunogenic poly(ethylene glycol) (PEG) were synthesized divergently in high yields using ester and carbamate forming reactions. Aqueous solutions of these dendrimers were photocro...

journal_title：Biomacromolecules

authors： Degoricija L,Bansal PN,Söntjens SH,Joshi NS,Takahashi M,Snyder B,Grinstaff MW

更新日期：2008-10-01 00:00:00

abstract：:A layer-by-layer film composed of DNA and inorganic zirconium ion (Zr(4+)) was fabricated on the surface of gold thin film, and an electric field triggered disintegration of the multilayer film was studied by using electrochemical surface plasmon resonance (EC-SPR). EC-SPR results demonstrated that the film was disass...

journal_title：Biomacromolecules

authors： Wang F,Li D,Li G,Liu X,Dong S

更新日期：2008-10-01 00:00:00

abstract：:Synthesis of novel zwitterionic block copolypeptides, poly(N-isopropylacrylamide)-block-poly(L-glutamic acid-co-L-lysine) [PNiPAM(n)(PLG(x)-co-PLLys(y))m , where n is the number-average degree of polymerization (DP(n)) of PNiPAM block, x and y are the mole fraction of glutamic acid and lysine residues, respectively, a...

journal_title：Biomacromolecules

authors： Li J,Wang T,Wu D,Zhang X,Yan J,Du S,Guo Y,Wang J,Zhang A

更新日期：2008-10-01 00:00:00

abstract：:Restorative medicine has a constant need for improved scaffold materials. Degradable biopolymers often suffer from uncontrolled chemical or enzymatic hydrolysis by the host. The need for a second surgery on the other hand is a major drawback for nondegradable scaffold materials. In this paper we report the design and ...

journal_title：Biomacromolecules

authors： Berski S,van Bergeijk J,Schwarzer D,Stark Y,Kasper C,Scheper T,Grothe C,Gerardy-Schahn R,Kirschning A,Dräger G

更新日期：2008-09-01 00:00:00

abstract：:Single-walled carbon nanotube (SWNT) is a pseudo-one-dimensional nanostructure capable of carrying/displaying a large number of bioactive molecules and species in aqueous solution. In this work, a series of dendritic beta-D-galactopyranosides and alpha-D-mannopyranosides with a terminal amino group were synthesized an...

journal_title：Biomacromolecules

authors： Gu L,Luo PG,Wang H,Meziani MJ,Lin Y,Veca LM,Cao L,Lu F,Wang X,Quinn RA,Wang W,Zhang P,Lacher S,Sun YP

更新日期：2008-09-01 00:00:00

abstract：:The gold standard for implant metals is titanium, and coatings such as collagen-I, RGD-peptide, chondroitin sulfate, and calcium phosphate have been used to modify its biocompatibility. We investigated how titanium coated with pectins, adaptable bioactive plant polysaccharides with anti-inflammatory effects, supports ...

journal_title：Biomacromolecules

authors： Kokkonen H,Cassinelli C,Verhoef R,Morra M,Schols HA,Tuukkanen J

更新日期：2008-09-01 00:00:00

abstract：:This study describes the preparation and the characterization of poly[ N-(2-hydroxypropyl methacrylamide)] hydrogel with bulk-modified saccharidic portion of ganglioside GM 3 (Neu5Ac-alpha2,3-Gal-beta1,4-Glc). The 3'-sialyllactose is a bioactive epitope recognized by many cell surface receptors on viruses, bacteria, a...

journal_title：Biomacromolecules

authors： Woerly S,Fort S,Pignot-Paintrand I,Cottet C,Carcenac C,Savasta M

更新日期：2008-09-01 00:00:00

abstract：:Self-cross-linking polyelectrolytes are used to strengthen the surface of calcium alginate beads for cell encapsulation. Poly([2-(methacryloyloxy)ethyl]trimethylammonium chloride), containing 30 mol % 2-aminoethyl methacrylate, and poly(sodium methacrylate), containing 30 mol % 2-(methacryloyloxy)ethyl acetoacetate, w...

journal_title：Biomacromolecules

authors： Mazumder MA,Shen F,Burke NA,Potter MA,Stöver HD

更新日期：2008-09-01 00:00:00

abstract：:In this paper we extend our previous experimental work on interaction between polyelectrolytes and liposomes. First, the adsorption of chitosan and alkylated chitosan (cationic polyelectrolytes) with different alkyl chain lengths on lipid membranes of liposomes is examined. The amount of both chitosans adsorbed remain...

journal_title：Biomacromolecules

authors： Quemeneur F,Rinaudo M,Pépin-Donat B

更新日期：2008-08-01 00:00:00

abstract：:We present a new design of peptide-polymer conjugates where a polymer chain is covalently linked to the side chain of a helix bundle-forming peptide. The effect of conjugated polymer chains on the peptide structure was examined using a de novo designed three-helix bundle and a photoactive four-helix bundle. Upon attac...

journal_title：Biomacromolecules

authors： Shu JY,Tan C,DeGrado WF,Xu T

更新日期：2008-08-01 00:00:00

abstract：:Changing gel structure and immobilization conditions led to a significant improvement in the covalent multipoint attachment of chymotrypsin on chitosan. The use of sodium alginate, gelatin, or kappa-carrageenan, activation with glutaraldehyde, glycidol, or epichlorohydrin, and addition of microorganisms followed by ce...

journal_title：Biomacromolecules

authors： Adriano WS,Mendonça DB,Rodrigues DS,Mammarella EJ,Giordano RL

更新日期：2008-08-01 00:00:00

abstract：:Biodegradable multilayered capsules encapsulating basic fibroblast growth factor (bFGF) were developed as a cytokine release carrier for drug delivery systems. The multilayered hollow capsules were fabricated via the layer-by-layer (LbL) assembly of chitosan (CT) and dextran sulfate (Dex). The bFGF was encapsulated in...

journal_title：Biomacromolecules

authors： Itoh Y,Matsusaki M,Kida T,Akashi M

更新日期：2008-08-01 00:00:00

abstract：:In this paper we propose a detailed analysis of structural and morphological properties of two poly-L-lysine (PLL)-based transfection formulations, PLL/DNA and pegylated PLL (PLL-g-PEG)/DNA, by means of atomic force microscopy (AFM) and transmission electron microscopy (TEM). Comparing PLL-g-PEG/DNA with PLL/DNA polyp...

journal_title：Biomacromolecules

authors： Stanić V,Arntz Y,Richard D,Affolter C,Nguyen I,Crucifix C,Schultz P,Baehr C,Frisch B,Ogier J

更新日期：2008-07-01 00:00:00

abstract：:In situ polymerizable hydrogels are extensively investigated to implement new biomedical and pharmaceutical approaches. In the present paper a novel polysaccharidic matrix based on calcium alginate (Ca(II)-Alg) hydrogel and dextran methacrylate derivative (Dex-MA), showing potential applicability in the field of pharm...

journal_title：Biomacromolecules

authors： Matricardi P,Pontoriero M,Coviello T,Casadei MA,Alhaique F

更新日期：2008-07-01 00:00:00

abstract：:The interaction between DNA and different types of amino acid-based cationic surfactants was investigated. Particular attention was directed to determine the extent of influence of surfactant head-group geometry toward tuning the interaction behavior of these surfactants with DNA. An overview is obtained by gel retard...

journal_title：Biomacromolecules

authors： Jadhav V,Maiti S,Dasgupta A,Das PK,Dias RS,Miguel MG,Lindman B

更新日期：2008-07-01 00:00:00

abstract：:The conformational behavior of a long single-chain double-stranded DNA in solutions of free silver ions and silver nanoparticles generated via the reduction of AgNO3 by NaBH4 was monitored by fluorescence and electron microscopies and UV spectroscopy. The interaction of monovalent silver ions with DNA induces shrinkin...

journal_title：Biomacromolecules

authors： Zinchenko AA,Baigl D,Chen N,Pyshkina O,Endo K,Sergeyev VG,Yoshikawa K

更新日期：2008-07-01 00:00:00

abstract：:The photoluminescence features of Eu(3+)-, Tb(3+)-, Tb(3+)/Eu(3+)-alginate aerogel (hydrogel and alcogel) and Eu(3+)-alginate xerogel hybrids were investigated. The Eu(3+)-alginate aerogel and alcogel exhibit the highest (5)D0 quantum efficiencies (9.9 and 8.2%, respectively), while the hydrogel and xerogel have lower...

journal_title：Biomacromolecules

authors： Liu F,Carlos LD,Ferreira RA,Rocha J,Gaudino MC,Robitzer M,Quignard F

更新日期：2008-07-01 00:00:00

abstract：:Cellulose and starch nanocrystals obtained from the acid hydrolysis of ramie fibers and waxy maize starch granules, respectively, were subjected to isocyanate-mediated reaction to graft polycaprolactone (PCL) chains with various molecular weights on their surface. Grafted nanoparticles were characterized by X-ray diff...

journal_title：Biomacromolecules

authors： Habibi Y,Dufresne A

更新日期：2008-07-01 00:00:00

abstract：:Hydrogel fibers that possessed a cell-adhesive surface and were degradable via enzymatic reactions were developed for fabricating tubular constructs with smooth muscle cell (SMC) and endothelial cell (EC) layers, similar to native blood vessels, in collagen gels. The fibers were prepared by soaking hydrogel fibers pre...

journal_title：Biomacromolecules

authors： Sakai S,Yamaguchi S,Takei T,Kawakami K

更新日期：2008-07-01 00:00:00

abstract：:The competing mechanisms that regulate adhesion of bacteria to surfaces and subsequent biofilm formation remain unclear, though nearly all studies have focused on the role of physical and chemical properties of the material surface. Given the large monetary and health costs of medical-device colonization and hospital-...

journal_title：Biomacromolecules

authors： Lichter JA,Thompson MT,Delgadillo M,Nishikawa T,Rubner MF,Van Vliet KJ

更新日期：2008-06-01 00:00:00

abstract：:Spiders have evolved a complex system of silk producing glands. Each of the glands produces silk with strength and elasticity tailored to its biological purpose. Sequence analysis of the major ampullate silk reveals four highly conserved concatenated blocks of amino acids: (GA) n , A n , GPGXX, and GGX. While the GPGX...

journal_title：Biomacromolecules

authors： Brooks AE,Stricker SM,Joshi SB,Kamerzell TJ,Middaugh CR,Lewis RV

更新日期：2008-06-01 00:00:00

abstract：:Peptide RATEA16 spontaneously self-assembled into higher-order nanofiber hydrogels with extremely high water content (>99.5% (wt/vol)) under physiological condition. The hydrogels could undergo pH-reversible transitions from viscous solution to elastic hydrogel and to precipitate. The supramolecular self-assembly and ...

journal_title：Biomacromolecules

authors： Zhao Y,Yokoi H,Tanaka M,Kinoshita T,Tan T

更新日期：2008-06-01 00:00:00

abstract：:Cellulose-based dendrimerized material was prepared and its quality was assessed by determining the number of amine functional groups incorporated. Based on the results for a series of preparations, the material was obtained in a highly reproducible manner thanks to the particular chemical construction method used. Th...

journal_title：Biomacromolecules

authors： Montañez MI,Perez-Inestrosa E,Suau R,Mayorga C,Torres MJ,Blanca M

更新日期：2008-05-01 00:00:00

abstract：:The proteinaceous material present in beta-lactoglobulin fibrils formed after heating (20 h at 85 degrees C) at pH 2 was identified during this study. Fibrils were separated from the nonaggregated material, and the fibrils were dissociated using 8 M guanidine chloride and 0.1 M 1,4-dithiothreitol (pH 8). Characterizat...

journal_title：Biomacromolecules

authors： Akkermans C,Venema P,van der Goot AJ,Gruppen H,Bakx EJ,Boom RM,van der Linden E

更新日期：2008-05-01 00:00:00

abstract：:Insulin was loaded into hydrogel microparticles after two hours with loading efficiencies greater than 70% for both poly(methacrylic acid-grafted-ethylene glycol) (P(MAA-g-EG)) and poly(methacrylic acid-grafted-ethylene glycol) functionalized with wheat germ agglutinin (P(MAA-g-EG) WGA). The pH-responsive release resu...

journal_title：Biomacromolecules

authors： Wood KM,Stone GM,Peppas NA

更新日期：2008-04-01 00:00:00

abstract：:The synthesis of core-shell star copolymers via living free radical polymerization provides a convenient route to three-dimensional nanostructures having a poly(ethylene glycol) outer shell, a hydrophilic inner shell bearing reactive functional groups, and a central hydrophobic core. By starting with well-defined line...

journal_title：Biomacromolecules

authors： Fukukawa K,Rossin R,Hagooly A,Pressly ED,Hunt JN,Messmore BW,Wooley KL,Welch MJ,Hawker CJ

更新日期：2008-04-01 00:00:00

abstract：:Hydrogels with pH-sensitive poly(acrylic acid) (PAAc) chains and biodegradable acryloyl-poly(-caprolactone)-2-hydroxylethyl methacrylate (AC-PCL-HEMA) chains were designed and synthesized. The morphology of hydrogel was observed by scanning electron microscopy. The degradation of the hydrogel in the presence of Pseudo...

journal_title：Biomacromolecules

authors： Wu DQ,Sun YX,Xu XD,Cheng SX,Zhang XZ,Zhuo RX

更新日期：2008-04-01 00:00:00

abstract：:Algae constitute a largely available, low value material from renewable resources of marine origin to be used for the production of eco-compatible composites. Fibers of the green alga Ulva armoricana from the French coast were positively evaluated for the production of composites with a hydrophilic, eco-compatible pol...

journal_title：Biomacromolecules

authors： Chiellini E,Cinelli P,Ilieva VI,Martera M

更新日期：2008-03-01 00:00:00

abstract：:Binding human serum albumin (HSA) of three polyoxometalates (POMs) with the Wells-Dawson structure, alpha(2)-[P2W17O61]10- (abbreviated as alpha(2)-P2W17) and two of its metal-substituted derivatives, alpha(2)-[NiP2W17O61]8- and alpha(2)-[CuP2W17O61]8- (alpha(2)-P2W17Ni and alpha(2)-P2W17Cu, respectively) was studied ...

journal_title：Biomacromolecules

authors： Zhang G,Keita B,Craescu CT,Miron S,de Oliveira P,Nadjo L

更新日期：2008-03-01 00:00:00

abstract：:Amphiphilic glycopolymers, polylactide-grafted dextran copolymers (Dex-g-PLA), were synthesized with a well-controlled architecture obtained through a three-step procedure: partial silylation of the dextran hydroxyl groups, ring-opening polymerization of D,L-lactide initiated from remaining hydroxyl groups, silylether...

journal_title：Biomacromolecules

authors： Raynaud J,Choquenet B,Marie E,Dellacherie E,Nouvel C,Six JL,Durand A

更新日期：2008-03-01 00:00:00

abstract：:A simple, sequential approach for creation of hydrolytically degradable poly(ethylene glycol) (PEG) hydrogels has been developed and characterized. The chemistry involves an initial step growth polymerization reaction between PEG-diacrylate and dithiothreitol (DTT) to form acrylate-terminated (-PEG-DTT-)n PEG chains, ...

journal_title：Biomacromolecules

authors： Hudalla GA,Eng TS,Murphy WL

更新日期：2008-03-01 00:00:00

abstract：:Poly(L-lactide) (PLLA) with various alkyl ester chain end groups were synthesized by ring-opening polymerization of L-lactide in the presence of zinc alkoxide as a catalyst. The structural effect of chain end groups on the rate of enzymatic and nonenzymatic degradations for amorphous films of PLLA were investigated at...

journal_title：Biomacromolecules

authors： Kurokawa K,Yamashita K,Doi Y,Abe H

更新日期：2008-03-01 00:00:00

abstract：:Two linear alpha-(1,4)-D-glucans substrates, of degrees of polymerization DP approximately 150 and 6000, were exposed to maize starch-branching enzyme IIa (mSBEIIa) in vitro. The resulting branched alpha-glucans and their constituent chains (obtained by debranching) were analyzed by nuclear magnetic resonance (NMR) an...

journal_title：Biomacromolecules

authors： Hernández JM,Gaborieau M,Castignolles P,Gidley MJ,Myers AM,Gilbert RG

更新日期：2008-03-01 00:00:00

abstract：:This study describes the formulation and physicochemical characterization of poly(acrylic acid) (PAA) organogels, designed as bioactive implants for improved treatment of infectious diseases of the oral cavity. Organogels were formulated containing a range of concentrations of PAA (3-10% w/w) and metronidazole (2 or 5...

journal_title：Biomacromolecules

authors： Jones DS,Muldoon BC,Woolfson AD,Andrews GP,Sanderson FD

更新日期：2008-02-01 00:00:00

abstract：:Tissue engineering approaches need biomaterials with suitable properties to provide an appropriate environment for cell attachment and growth. The performance of these biomaterials can be greatly enhanced through the incorporation of bioactive agents. For this reason, we developed chitosan films with cell-attachment a...

journal_title：Biomacromolecules

authors： Abarrategi A,Civantos A,Ramos V,Sanz Casado JV,López-Lacomba JL

更新日期：2008-02-01 00:00:00

abstract：:The detection of phase separation and identification of miscibility in biopolymer blends is an important aspect for the improvement of their physical properties. In this article, the phase separation in blends of poly(3-hydroxybutyrate) (PHB) with poly(L-lactic acid) (PLA) and poly(epsilon-caprolactone) (PCL), respect...

journal_title：Biomacromolecules

authors： Vogel C,Wessel E,Siesler HW

更新日期：2008-02-01 00:00:00

abstract：:Hierarchical nanocomposite films with Pd-PdO nanoparticles anchored uniformly on the inner surface of TiO2 nanotubes were achieved through a stepwise bioredox/artificial oxygenation approach by using the natural eggshell membrane (ESM) as a template. The Pd content ratio of Pd-PdO loading could be arbitrarily varied f...

journal_title：Biomacromolecules

authors： Su H,Dong Q,Han J,Zhang D,Guo Q

更新日期：2008-02-01 00:00:00

abstract：:A major challenge in drug delivery is the internalization through the apical plasma membrane of the polarized epithelial cells lining organs facing the external environment, e.g., lungs and the gastrointestinal tract. The reduced permeation of drugs entering through this pathway is in part due to the mucosal barrier a...

journal_title：Biomacromolecules

authors： Harush-Frenkel O,Rozentur E,Benita S,Altschuler Y

更新日期：2008-02-01 00:00:00