Minimal Reconstitution of Membranous Web Induced by a Vesicle-Peptide Sol-Gel Transition.

abstract：:Amphiphilic block copolymers containing polypeptides can self-assemble into a variety of nonspherical structures arising from strong interactions between peptide units. Here, we report the synthesis of a pH-responsive poly(ethyl glycol)-block-poly(l-glutamic acid)-block-poly(N-octylglycine) (PEG-b-PGA-b-PNOG) triblock...

journal_title：Biomacromolecules

authors： Ni Y,Sun J,Wei Y,Fu X,Zhu C,Li Z

更新日期：2017-10-09 00:00:00

abstract：:Chemotherapy faces challenges, including poor aqueous solubility of the drugs, and cardiotoxicity. Micellar drug delivery systems (DDS) are used to encapsulate anticancer drugs for better therapeutic effects, however, with poor loading content. Herein, we synthesized a micellar DDS using γ-benzyloxy substituted poly(ε...

journal_title：Biomacromolecules

authors： Soltantabar P,Calubaquib EL,Mostafavi E,Biewer MC,Stefan MC

更新日期：2020-04-13 00:00:00

abstract：:The structure of the Ca--alginate junction zones was investigated with X-ray scattering on gels prepared with different methods. Fiber diffraction reveals the popular egg-box model may not be the only possible structure for the junction zones. The (001) reflection, which should be extinguished due to 2/1 helical confo...

journal_title：Biomacromolecules

authors： Li L,Fang Y,Vreeker R,Appelqvist I,Mendes E

更新日期：2007-02-01 00:00:00

abstract：:Natural melanins are biocompatible conductors with versatile functionalities. Here, we report fabrication of multifunctional poly(vinyl alcohol)/melanin nanocomposites by layer-by-layer (LBL) assembly using melanin nanoparticles (MNPs) directly extracted from sepia officinalis inks. The LBL assembly offers facile mani...

journal_title：Biomacromolecules

authors： Eom T,Woo K,Cho W,Heo JE,Jang D,Shin JI,Martin DC,Wie JJ,Shim BS

更新日期：2017-06-12 00:00:00

abstract：:Chitosan is a linear cationic biopolymer composed of glucosamine and N-acetyl-glucosamine that is only soluble in acidic aqueous solutions and precipitates when neutralized. However, it was recently discovered that chitosan dissolved in solutions containing glycerol phosphate was soluble at near neutral pH and produce...

journal_title：Biomacromolecules

authors： Filion D,Lavertu M,Buschmann MD

更新日期：2007-10-01 00:00:00

abstract：:Marine mussels tether to seashore surfaces with byssal threads, proteinaceous fibers that effectively dissipate energy from crashing waves. Protein-metal coordination bonds have been proposed to contribute to the characteristic mechanical and self-healing properties of byssal threads; however, very little is understoo...

journal_title：Biomacromolecules

authors： Schmitt CN,Politi Y,Reinecke A,Harrington MJ

更新日期：2015-09-14 00:00:00

abstract：:Combining molecular weight distribution (MWD) data for linear chains of debranched starch from capillary electrophoresis and from size exclusion chromatography (SEC) with detection by differential refractive index and by multi-angle laser light scattering has enabled Mark-Houwink parameters to be determined for linear...

journal_title：Biomacromolecules

authors： Castro JV,Ward RM,Gilbert RG,Fitzgerald MA

更新日期：2005-07-01 00:00:00

abstract：:Injectable gels that support load are desirable for restoring the mechanical properties of degenerated load-bearing tissue. As these gels become increasingly sophisticated, the need to remotely image them and monitor their swelling increases. However, imaging such gels and monitoring their swelling using noninvasive m...

journal_title：Biomacromolecules

authors： Shanks HR,Milani AH,Lu D,Saunders BR,Carney L,Adlam DJ,Hoyland JA,Blount C,Dickinson M

更新日期：2019-07-08 00:00:00

abstract：:Biomimetic nanocomposites and scaffolds hold the key to a wide range of biomedical applications. Here we show, for the first time, a facile scheme of cofibrillizing pathogenic and functional amyloid fibrils via gold nanoparticles (AuNPs) and their applications against amyloidogenesis. This scheme was realized by β-she...

journal_title：Biomacromolecules

authors： Javed I,Sun Y,Adamcik J,Wang B,Kakinen A,Pilkington EH,Ding F,Mezzenga R,Davis TP,Ke PC

更新日期：2017-12-11 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：:Given the significance of hydrogels as cell-instructive materials, it is important to understand how differences in their chemical and physical properties are able to direct cell fate. For example, it remains unclear how different hydrogel cross-linking chemistries and gelation mechanisms influence cell behavior. Here...

journal_title：Biomacromolecules

authors： Loebel C,Szczesny SE,Cosgrove BD,Alini M,Zenobi-Wong M,Mauck RL,Eglin D

更新日期：2017-03-13 00:00:00

abstract：:Water-soluble conjugated polymers (WCPs) composed of a hydrophobic polythiophene main chain with hydrophilic tertiary amine side-chains can directly self-assemble into sphere-like nano-objects in an aqueous solution due to phase separation between the hydrophilic and hydrophobic segments of the polymeric structure. Du...

journal_title：Biomacromolecules

authors： Cheng CC,Lai YC,Shieh YT,Chang YH,Lee AW,Chen JK,Lee DJ,Lai JY

更新日期：2020-12-14 00:00:00

abstract：:Inulin, the polydisperse polyfructose, extracted from chicory, has been modified via transesterification, using fatty acid methyl esters (FAME). The grafting of an alkyl chain onto the inulin backbone under different conditions for the development of potential tensio-active derivatives is described. The modification o...

journal_title：Biomacromolecules

authors： Rogge TM,Stevens CV

更新日期：2004-09-01 00:00:00

abstract：:It is well-known that 3D in vitro cell cultures provide a much better model than 2D cell cultures for understanding the in vivo microenvironment of cells. However, significant technical challenges in handling and analyzing 3D cell cultures remain, which currently limits their widespread application. Herein, we demonst...

journal_title：Biomacromolecules

authors： Simon KA,Warren NJ,Mosadegh B,Mohammady MR,Whitesides GM,Armes SP

更新日期：2015-12-14 00:00:00

abstract：:Hemicellulose-based hydrogels were prepared by radical polymerization of 2-hydroxyethyl methacrylate or poly(ethylene glycol) dimethacrylate with oligomeric hydrosoluble hemicellulose modified with well-defined amounts of methacrylic functions. The polymerization reaction was carried out in water at 40 degrees C using...

journal_title：Biomacromolecules

authors： Söderqvist Lindblad M,Albertsson AC,Ranucci E,Laus M,Giani E

更新日期：2005-03-01 00:00:00

abstract：:A systematic study is carried out to understand how physical and covalent crosslinks affect the mechanical properties of an eight-arm poly(ethyleneglycol)-based hydrogel. Heparin and heparin-binding peptide are used as a physical crosslinker, and an enzymatically cleavable peptide with a cysteine on each end serves as...

journal_title：Biomacromolecules

authors： Jeong KJ,Panitch A

更新日期：2009-05-11 00:00:00

abstract：:In marine mussels (Mytilus), byssal threads are made in minutes from prefabricated smectic polymer liquid crystals by a process resembling reaction injection molding. The mesogens in these arrays are known to be natural block copolymers with rodlike collagen cores. Using atomic force microscopy, it was shown that thes...

journal_title：Biomacromolecules

authors： Hassenkam T,Gutsmann T,Hansma P,Sagert J,Waite JH

更新日期：2004-07-01 00:00:00

abstract：:As a first step toward utilizing self-assembling peptide scaffolds to create tunable matrices for drug delivery, peptide RADAFI and RADAFII, containing the same amino acid composition but different positions of one phenylalanine residue, scaffolds were prepared for controlled release of chiral enantiomers. The release...

journal_title：Biomacromolecules

authors： Zhao Y,Tanaka M,Kinoshita T,Higuchi M,Tan T

更新日期：2009-12-14 00:00:00

abstract：:Bionanocomposite materials, combining the properties of biopolymers and nanostructured materials, are attracting interest of the wider scientific community due to their potential application in design of implants, drug delivery systems, and tissue design platforms. Herein, we report on the use of maleimide-coated silv...

journal_title：Biomacromolecules

authors： García-Astrain C,Chen C,Burón M,Palomares T,Eceiza A,Fruk L,Corcuera MÁ,Gabilondo N

更新日期：2015-04-13 00:00:00

abstract：:Self-assembly in aqueous solution of two oppositely charged globular proteins, hen egg white lysozyme (LYS) and bovine calcium-depleted α-lactalbumin (apo α-LA), was investigated at pH 7.5. The aggregation rate of equimolar mixtures of the two proteins was determined using static and dynamic light scattering as a func...

journal_title：Biomacromolecules

authors： Salvatore D,Croguennec T,Bouhallab S,Forge V,Nicolai T

更新日期：2011-05-09 00:00:00

abstract：:Ternary compatible blends of chitosan, poly(vinyl alcohol), and poly(lactic acid) were prepared by an oil-in-water (O/W) emulsion process. Solutions of chitosan in aqueous acetic acid, poly(vinyl alcohol) (PVA) in water, and poly(lactic acid) (PLA) in chloroform were blended with a high-shear mixer. PVA was used as an...

journal_title：Biomacromolecules

authors： Grande R,Carvalho AJ

更新日期：2011-04-11 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：:Inorganic polyphosphates, linear polymers of orthophosphate, occur naturally throughout biology and have many industrial applications. Their biodegradable nature makes them attractive for a multitude of uses, and it would be important to understand how polyphosphates are turned over enzymatically. Studies of inorganic...

journal_title：Biomacromolecules

authors： Hebbard CF,Wang Y,Baker CJ,Morrissey JH

更新日期：2014-08-11 00:00:00

abstract：:Block copolypeptides, which combine the self-assembly of block copolymers and the highly ordered 3D structures of proteins, are potential candidates for novel supramolecular structures and biotech applications, such as biosensors, tissue engineering, and selective drug delivery. The synthesis of model block copolypept...

journal_title：Biomacromolecules

authors： Aliferis T,Iatrou H,Hadjichristidis N

更新日期：2004-09-01 00:00:00

abstract：:Mammalian synovial joints are extremely efficient lubrication systems reaching friction coefficient μ as low as 0.001 at high pressures (up to 100 atm) and shear rates (up to 10(6) to 10(7) Hz); however, despite much previous work, the exact mechanism responsible for this behavior is still unknown. In this work, we st...

journal_title：Biomacromolecules

authors： Seror J,Merkher Y,Kampf N,Collinson L,Day AJ,Maroudas A,Klein J

更新日期：2011-10-10 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：:Spider silk has been extensively studied for its outstanding mechanical properties. Partial intermediate and C-terminal sequences of different spider silk proteins have been determined, and during the past decade also N-terminal domains have been characterized. However, only some of these N-terminal domains have been ...

journal_title：Biomacromolecules

authors： Rising A,Hjälm G,Engström W,Johansson J

更新日期：2006-11-01 00:00:00

abstract：:Turbidimetric titration was used to initiate associative intermolecular interactions between a pair of protein molecules, gelatin-A and gelatin-B, having complementary charges that led to pH-induced liquid-liquid phase separation and the formation of complex coacervate. The stoichiometric binding ratio was found to be...

journal_title：Biomacromolecules

authors： Tiwari A,Bindal S,Bohidar HB

更新日期：2009-01-12 00:00:00

abstract：:Bovine serum albumin (BSA) and poly(diallyldimethylammonium chloride) (PDADMAC) spontaneously form, over a range of ionic strength I and pH, dense fluids rich in both macroions. To study their nanostructure, these coacervates were prepared at low I and high pH (strong interaction) or at high I and lower pH (weaker int...

journal_title：Biomacromolecules

authors： Bohidar H,Dubin PL,Majhi PR,Tribet C,Jaeger W

更新日期：2005-05-01 00:00:00

abstract：:Fluorescence-tagged coniferyl alcohols, coniferyl alcohol γ-coupled by ethylenediamine spacers to dimethylaminocoumarin or nitrobenzofuran fluorophores, were tested as photoprobes to study the oxidase-mediated polymerization of monolignols. The fluorescent coniferyl alcohol derivatives readily underwent peroxidase-cat...

journal_title：Biomacromolecules

authors： Tobimatsu Y,Davidson CL,Grabber JH,Ralph J

更新日期：2011-05-09 00:00:00