Synthesis and biological evaluation of a polysialic acid-based hydrogel as enzymatically degradable scaffold material for tissue engineering.

abstract：:Utilization of reversible interactions as sacrificial bonds in biopolymers is critical for the integral synthesis of mechanically superior biological materials. In this work, cellulose nanofibrils (CNFs) reinforced covalent polyacrylamide (PAAm) composite hydrogels are immersed into multivalent cation (Ca2+, Zn2+, Al3...

journal_title：Biomacromolecules

authors： Yang J,Xu F,Han CR

更新日期：2017-03-13 00:00:00

abstract：:An underwater bioadhesive generally comprises a multiprotein complex that provides a molecular basis for self-assembly. We report here a new class of self-assembling peptide inspired by a 20 kDa barnacle cement protein. Studies on the chemically synthesized 24-residue peptide have revealed that (1) it underwent irreve...

journal_title：Biomacromolecules

authors： Nakano M,Shen JR,Kamino K

更新日期：2007-06-01 00:00:00

abstract：:A porous scaffold as a cell-compatible material was designed and prepared using a phospholipid copolymer composed of 2-methacryloyloxyethyl phosphorylcholine (MPC), n-butyl methacrylate, and enantiomeric macromonomers, the poly(L-lactic acid) (PLLA) macromonomer, and poly(D-lactic acid) (PDLA) macromonomer. On the bas...

journal_title：Biomacromolecules

authors： Watanabe J,Eriguchi T,Ishihara K

更新日期：2002-09-01 00:00:00

abstract：:Chitosan possesses many characteristics of an ideal gene delivery system. However, the transfection efficiency of conventional chitosans is generally found to be low. In this study, we investigated the self-branching of chitosans as a strategy to improve its gene transfer properties without compromising its safety pro...

journal_title：Biomacromolecules

authors： Malmo J,Vårum KM,Strand SP

更新日期：2011-03-14 00:00:00

abstract：:Sequential copolymerizations of trimethylene carbonate (TMC) and l-lactide (LLA) were performed with 2,2-dibutyl-2-stanna-1,3-oxepane as a bifunctional cyclic initiator. The block lengths were varied via the monomer/initiator and via the TMC/l-lactide ratio. The cyclic triblock copolymers were transformed in situ into...

journal_title：Biomacromolecules

authors： Pospiech D,Komber H,Jehnichen D,Häussler L,Eckstein K,Scheibner H,Janke A,Kricheldorf HR,Petermann O

更新日期：2005-01-01 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：:Minimization of drug side effects is a hallmark of advanced targeted therapy. Herein we describe the synthesis of polysaccharide-based nanocapsules prepared from furcellaran and chitosan via layer-by-layer deposition using electrostatic interaction. Using doxorubicin as a model drug, prepared nanocapsules showed excel...

journal_title：Biomacromolecules

authors： Milosavljevic V,Jamroz E,Gagic M,Haddad Y,Michalkova H,Balkova R,Tesarova B,Moulick A,Heger Z,Richtera L,Kopel P,Adam V

更新日期：2020-02-10 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：:Immobilizing zwitterionic molecules on material surfaces has been a promising strategy for creating antifouling surfaces. Herein, we show the ability to surface derivatize an allyl-ether-functionalized thermoplastic polyurethane (TPU) with a zwitterionic thiol in a radically induced thiol-ene reaction. The thermoplast...

journal_title：Biomacromolecules

authors： Nikam SP,Chen P,Nettleton K,Hsu YH,Becker ML

更新日期：2020-07-13 00:00:00

abstract：:Synthetic spider silk holds great potential for use in various applications spanning medical uses to ultra lightweight armor; however, producing synthetic fibers with mechanical properties comparable to natural spider silk has eluded the scientific community. Natural dragline spider silks are commonly made from protei...

journal_title：Biomacromolecules

authors： Jenkins JE,Creager MS,Lewis RV,Holland GP,Yarger JL

更新日期：2010-01-11 00:00:00

abstract：:A wood based yarn platform for capturing pharmaceutical molecules from water was developed. Cellulose fiber yarns were modified with cyclodextrins, and the capture of 17α-ethinyl estradiol (EE2), a synthetic estrogen hormone used as contraceptive, from water was tested. The yarns were prepared by spinning a deep eutec...

journal_title：Biomacromolecules

authors： Orelma H,Virtanen T,Spoljaric S,Lehmonen J,Seppälä J,Rojas OJ,Harlin A

更新日期：2018-02-12 00:00:00

abstract：:Hollow poly(6-O-acryloyl-alpha-D-galactopyranose) (PAGP) nanospheres were prepared in a facile manner using the RAFT (reversible addition fragmentation chain transfer) process. Initially, an amphiphilic block copolymer, poly(lactide)-block-poly(6-O-acryloyl-alpha-D-galactopyranose) (PLA-b-PAGP), was synthesized using ...

journal_title：Biomacromolecules

authors： Ting SR,Gregory AM,Stenzel MH

更新日期：2009-02-09 00:00:00

abstract：:We have found that dialysis of 5 mg/mL collagen solution into the phosphate solution with a pH of 7.1 and an ionic strength of 151 mM [corrected] at 25 °C results in a collagen gel with a birefringence and tubular pores aligned parallel to the growth direction of the gel. The time course of averaged diameter of tubula...

journal_title：Biomacromolecules

authors： Furusawa K,Sato S,Masumoto J,Hanazaki Y,Maki Y,Dobashi T,Yamamoto T,Fukui A,Sasaki N

更新日期：2012-01-09 00:00:00

abstract：:Enzymatic hydrolysis of selected copolymers of cellulose diacetate-graft-poly(L-lactide)s (CDA-g-PLLAs) were conducted with proteinase K for film specimens, which were solely quenched from the molten state or, further, annealed at temperatures below or above their glass transition temperatures. The hydrolysis rates de...

journal_title：Biomacromolecules

authors： Teramoto Y,Nishio Y

更新日期：2004-03-01 00:00:00

abstract：:Chitin nanocrystal aqueous dispersions were prepared by acid hydrolysis of crude chitin from crab shells. The resulting dispersions were studied with small deformation oscillatory experiments and polarized optical microscopy under different conditions of nanocrystal concentration, ionic strength, pH, and temperature. ...

journal_title：Biomacromolecules

authors： Tzoumaki MV,Moschakis T,Biliaderis CG

更新日期：2010-01-11 00:00:00

abstract：:An efficient process for the synthesis of degradable hydrogels containing octa-betaine ester polyhedral oligomeric silsesquioxane (POSS) through efficient thiol-ene and Menschutkin click reactions was developed. The hydrogels exhibited a yield strength of 0.36 MPa and a compressive modulus of 4.38 MPa and displayed ex...

journal_title：Biomacromolecules

authors： Han J,Chen Q,Shen Y,Liu Z,Hao X,Zhong M,Zhao Z,Bockstaller MR

更新日期：2020-09-14 00:00:00

abstract：:Developing green and nontoxic biomaterials, derived from renewable sources and processable through 3D bioprinting technologies, is an emerging challenge of sustainable tissue engineering. Here, pectin from citrus peels was cross-linked for the first time with (3-glycidyloxypropyl)trimethoxysilane (GPTMS) through a one...

journal_title：Biomacromolecules

authors： Lapomarda A,De Acutis A,Chiesa I,Fortunato GM,Montemurro F,De Maria C,Mattioli Belmonte M,Gottardi R,Vozzi G

更新日期：2020-02-10 00:00:00

abstract：:Native hemicellulose lacks many of the properties that make fossil fuel-based polymers excellent for use in today's industrial products and processes. The mechanical and thermal properties of the hemicellulose can, however, be modified, and its processability increased. We functionalized galactoglucomannan to lower it...

journal_title：Biomacromolecules

authors： Härdelin L,Bernin D,Börjesson M,Ström A,Larsson A

更新日期：2020-05-11 00:00:00

abstract：:Candida antarctica Lipase B (CALB) was covalently immobilized onto epoxy-activated macroporous poly(methyl methacrylate) Amberzyme beads (235 microm particle size, 220 A pore size) and nanoparticles (nanoPSG, diameter 68 nm) with a poly(glycidyl methacrylate) outer region. Amberzyme beads allowed CALB loading up to 0....

journal_title：Biomacromolecules

authors： Chen B,Hu J,Miller EM,Xie W,Cai M,Gross RA

更新日期：2008-02-01 00:00:00

abstract：:Electrospinning is a versatile process used to prepare micro- and nano- sized fibers from various polymers dissolved in volatile solvents. In this report, cellulose and cellulose-heparin composite fibers are prepared from nonvolatile room temperature ionic liquid (RTIL) solvents by electrospinning. RTILs are extracted...

journal_title：Biomacromolecules

authors： Viswanathan G,Murugesan S,Pushparaj V,Nalamasu O,Ajayan PM,Linhardt RJ

更新日期：2006-02-01 00:00:00

abstract：:Nanofibrous materials containing the antitumor drug doxorubicin hydrochloride (DOX) were easily prepared using a one-step method by electrospinning of DOX/poly(L-lactide-co-D,L-lactide) (coPLA) and DOX/quaternized chitosan (QCh)/coPLA solutions. The pristine and DOX-containing mats were characterized by ATR-FTIR and X...

journal_title：Biomacromolecules

authors： Ignatova MG,Manolova NE,Toshkova RA,Rashkov IB,Gardeva EG,Yossifova LS,Alexandrov MT

更新日期：2010-06-14 00:00:00

abstract：:Protein transduction domains (PTDs) that readily transverse cellular membranes are of great interest and are attractive tools for the intracellular delivery of bioactive molecules. Learning to program synthetic polymers and oligomers with the appropriate chemical information to capture adequately the biological activi...

journal_title：Biomacromolecules

authors： Tezgel AÖ,Telfer JC,Tew GN

更新日期：2011-08-08 00:00:00

abstract：:The Bacillus subtilis protease Proleather FG-F catalyzed the transesterification of inulin with vinyl acrylate (VA) in dimethylformamide (DMF). The reaction conversion for different VA concentrations was greater than 57% after 96 h at 50 degrees C. The degree of substitution (DS, defined as the amount of acrylate grou...

journal_title：Biomacromolecules

authors： Ferreira L,Carvalho R,Gil MH,Dordick JS

更新日期：2002-03-01 00:00:00

abstract：:The elegant elasticity and toughness of muscles that are controlled by myofilament sliding, highly elastic springlike properties of titin, and Ca2+-induced conformational change of the troponin complex have been a source of inspiration to develop advanced materials for simulating elastic muscle motion. Herein, a highl...

journal_title：Biomacromolecules

authors： Zhao L,Zhang X,Luo Q,Hou C,Xu J,Liu J

更新日期：2020-10-12 00:00:00

abstract：:Cationic spherical polyelectrolyte brushes (SPBs) were synthesized by photoemulsion polymerization, consisting of a polystyrene core with a diameter around 80 nm and a poly(2-aminoethylmethacrylate hydrochloride) (PAEMH) shell with a thickness from 10 to 50 nm densely grafted on the core surface. The binding of variou...

journal_title：Biomacromolecules

authors： Wang S,Chen K,Li L,Guo X

更新日期：2013-03-11 00:00:00

abstract：:Glycosidases have long been used for the synthesis of glycosides by transglycosylation reactions. Especially glycosidases from hyperthermophilic bacteria are useful for reactions under extreme reaction conditions, e.g., in the presence of organic solvents. We herein report the facile enzymatic synthesis and purificati...

journal_title：Biomacromolecules

authors： Hoffmann M,Gau E,Braun S,Pich A,Elling L

更新日期：2020-02-10 00:00:00

abstract：:Peak force infrared (PFIR) microscopy is a recently developed approach to acquire multiple chemical and physical material properties simultaneously and with nanometer resolution: topographical features, infrared (IR)-sensitive maps, adhesion, stiffness, and locally resolved IR spectra. This multifunctional mapping is ...

journal_title：Biomacromolecules

authors： Gusenbauer C,Jakob DS,Xu XG,Vezenov DV,Cabane É,Konnerth J

更新日期：2020-10-12 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：:This study highlights the advantages of chondroitin sulfate (CS) as a sublayer combining selective low-fouling properties, low-platelet adhesion and pro-adhesive properties on endothelial cells, making CS promising for vascular graft applications. These properties were evaluated by comparing CS with well-known low-fou...

journal_title：Biomacromolecules

authors： Thalla PK,Fadlallah H,Liberelle B,Lequoy P,De Crescenzo G,Merhi Y,Lerouge S

更新日期：2014-07-14 00:00:00

abstract：:Glycerol derivatives of cutin and suberin monomers were synthesized by acid catalysis. Their dispersion in an aqueous solution was examined by phase contrast microscopy, neutron scattering, and solid state NMR. It is shown that the phase behavior strongly depends on the nature of the derivatives forming either lumps o...

journal_title：Biomacromolecules

authors： Douliez JP,Barrault J,Jerome F,Heredia A,Navailles L,Nallet F

更新日期：2005-01-01 00:00:00