Synthesis and characterization of multiblock copolymers based on spider dragline silk proteins.

abstract：:Because of their association with debilitating diseases and their potential applications in developing novel bionanomaterials, highly ordered amyloid fibrils have recently received considerable attention. While many studies have thus far focused on amyloid fibrils made with short peptides containing just one steric zi...

journal_title：Biomacromolecules

authors： Dai B,Sargent CJ,Gui X,Liu C,Zhang F

更新日期：2019-05-13 00:00:00

abstract：:This paper describes the synthesis and evaluation of a series of multifunctional poly-l-glutamic acid derivatives that can be used as vectors for gene delivery. They readily form polyelectrolyte complexes with DNA, resulting in a reduced surface charge and size of the DNA. The formation of a polymer-DNA complex and th...

journal_title：Biomacromolecules

authors： Dubruel P,Dekie L,Schacht E

更新日期：2003-09-01 00:00:00

abstract：:Major ampullate silk, also known as dragline silk, is one of the strongest biomaterials known. This silk is composed of two proteins, major ampullate spidroin 1 (MaSp1) and major ampullate spidroin 2 (MaSp2). Only partial cDNA sequences have been obtained for these proteins, and these sequences are toward the C-termin...

journal_title：Biomacromolecules

authors： Motriuk-Smith D,Smith A,Hayashi CY,Lewis RV

更新日期：2005-11-01 00:00:00

abstract：:A N,N-dimethylacrylamide-based hydrogel (2) with the new cross-linker (ethylenedioxy) bis[2,2'-(N-acryloylamino)ethane] (1) has been prepared, and its physicochemical properties in aqueous solution were studied. Three different native proteins (lysozyme, bovine serum albumin, and rabbit IgG) were encapsulated within t...

journal_title：Biomacromolecules

authors： Delgado M,Spanka C,Kerwin LD,Wentworth P Jr,Janda KD

更新日期：2002-03-01 00:00:00

abstract：:We explore here the possibility that polypeptide chains with directional multiplicity might provide for the control of peptide self-assembly processes. We tested this new possibility using an oppositely directed peptide (ODP) supramolecular system. The ODP could make it possible to form a βαβ motif with antiparallel β...

journal_title：Biomacromolecules

authors： Jeong WJ,Han S,Park H,Jin KS,Lim YB

更新日期：2014-06-09 00:00:00

abstract：:The single-coat protein (CP) of bacteriophage Qβ self-assembles into T = 3 icosahedral virus-like particles (VLPs), of interest for a wide range of applications. These VLPs are very stable, but identification of the specific molecular determinants of this stability is lacking. To investigate these determinants along w...

journal_title：Biomacromolecules

authors： Fiedler JD,Higginson C,Hovlid ML,Kislukhin AA,Castillejos A,Manzenrieder F,Campbell MG,Voss NR,Potter CS,Carragher B,Finn MG

更新日期：2012-08-13 00:00:00

abstract：:Peptide self-assembly is a facile route to the development of bioorganic hybrid materials that have sophisticated nanostructures toward diverse applications. Here, we report the synthesis of self-assembled peptide (Fmoc-diphenylalanine, Fmoc-FF)/graphitic carbon nitride (g-C3N4) hydrogels for light harvesting and biom...

journal_title：Biomacromolecules

authors： Ko JW,Choi WS,Kim J,Kuk SK,Lee SH,Park CB

更新日期：2017-11-13 00:00:00

abstract：:Bacterial cellulose (BC) is a polysaccharide known as a suitable matrix for proper wound healing. To improve this ability, BC was functionalized with silk sericin (SS) that has cytoprotective and mitogenic effects. The composites obtained by solution impregnation were stabilized by hydrogen bonds, and SS could be rele...

journal_title：Biomacromolecules

authors： Lamboni L,Li Y,Liu J,Yang G

更新日期：2016-09-12 00:00:00

abstract：:Novel polymer composites reinforced with an oriented cellulose nanocrystal (CNC) assembly were prepared from suspensions of CNC in aqueous 2-hydroxyethyl methacrylate (HEMA) via magnetic field application to the suspensions followed by polymerization treatment. The starting suspensions used at ∼6 wt % CNC separated in...

journal_title：Biomacromolecules

authors： Tatsumi M,Kimura F,Kimura T,Teramoto Y,Nishio Y

更新日期：2014-12-08 00:00:00

abstract：:The interaction of neuropeptides, vasoactive intestinal peptide (VIP), or growth hormone-releasing hormone (GHRH), with a cationic carbosilane dendrimer forms dendriplexes with antitumoral behavior in advanced prostate cancer cells PC3. At the concentrations used for dendriplexes formation, the free peptides were prot...

journal_title：Biomacromolecules

authors： Sánchez-Milla M,Muñoz-Moreno L,Sánchez-Nieves J,Malý M,Gómez R,Carmena MJ,de la Mata FJ

更新日期：2019-03-11 00:00:00

abstract：:The development of novel reagents and antibiotics for combating multidrug resistance bacteria has received significant attention in recent years. In this study, new antimicrobial star polymers (14-26 nm in diameter) that consist of mixtures of polylysine and glycopolymer arms were developed and were shown to possess a...

journal_title：Biomacromolecules

authors： Wong EH,Khin MM,Ravikumar V,Si Z,Rice SA,Chan-Park MB

更新日期：2016-03-14 00:00:00

abstract：:Vascular grafts that can support total replacement and maintenance by the body of the injured vessel would improve outcomes of major surgical reconstructions. Building scaffolds using components of the native vessel can encourage biological recognition by native cells as well as mimic mechanical characteristics of the...

journal_title：Biomacromolecules

authors： Bracaglia LG,Messina M,Winston S,Kuo CY,Lerman M,Fisher JP

更新日期：2017-11-13 00:00:00

abstract：:Ruthenium(II) tris(bipyridine)-centered poly(ethylenimine) (Ru PEI) was synthesized via acid hydrolysis of Ru tris(bipyridine)-centered poly(2-ethyl-2-oxazoline) (Ru PEOX), and the luminescence, DNA entrapment, and transfection efficiencies were evaluated. Emission maxima for Ru PEI samples are red-shifted compared to...

journal_title：Biomacromolecules

authors： Fiore GL,Edwards JM,Payne SJ,Klinkenberg JL,Gioeli DG,Demas JN,Fraser CL

更新日期：2007-09-01 00:00:00

abstract：:Atomic force microscopy (AFM) was used to assess a new chimeric protein consisting of a fusion protein of the consensus repeat for Nephila clavipes spider dragline protein and bone sialoprotein (6mer+BSP). The elastic modulus of this protein in film form was assessed through force curves, and film surface roughness wa...

journal_title：Biomacromolecules

authors： Gomes S,Numata K,Leonor IB,Mano JF,Reis RL,Kaplan DL

更新日期：2011-05-09 00:00:00

abstract：:An artificial spinning system using regenerated silk fibroin solutions is adopted to produce high-performance silk fibers. In previous studies, alcohol-based agents, such as methanol or ethanol, were used to coagulate silk dope solutions, producing silk fiber with poor mechanical properties compared with those of nati...

journal_title：Biomacromolecules

authors： Yazawa K,Malay AD,Ifuku N,Ishii T,Masunaga H,Hikima T,Numata K

更新日期：2018-06-11 00:00:00

abstract：:Biodegradable aliphatic polyesters such as poly(lactide) and poly(ε-caprolactone), largely used in tissue engineering applications, lack suitable functional groups and biological cues to enable interactions with cells. Because of the ubiquity of thiol groups in the biological environment and the pliability of thiol ch...

journal_title：Biomacromolecules

authors： Fuoco T,Finne-Wistrand A,Pappalardo D

更新日期：2016-04-11 00:00:00

abstract：:Amyloid-like fibrils are prepared from protein in the lab by controlled heat treatments, yet these must be further assembled to match the desirable mechanical and structural properties of biological fibers. Here, β-lactoglobulin fibrils were incorporated into poly(ethylene oxide) fibers of 40-180 nm diameter by electr...

journal_title：Biomacromolecules

authors： Chen D,Narayanan N,Federici E,Yang Z,Zuo X,Gao J,Fang F,Deng M,Campanella OH,Jones OG

更新日期：2020-07-13 00:00:00

abstract：:Disulfide bonds stabilize the tertiary- and quaternary structure of proteins. In addition, they can be used to engineer redox-sensitive (bio)materials and drug-delivery systems. Many of these applications require control of the stability of the disulfide bond. It has recently been shown that the charged microenvironme...

journal_title：Biomacromolecules

authors： Wu C,Wang S,Brülisauer L,Leroux JC,Gauthier MA

更新日期：2013-07-08 00:00:00

abstract：:Binding interactions between low molecular weight heparin (LMWH) and heparin-binding peptides (HBP) have been applied as a strategy for the assembly of hydrogels that are capable of sequestering growth factors and delivering them in a controlled manner. In this work, the assembly of four-arm star poly(ethylene glycol)...

journal_title：Biomacromolecules

authors： Yamaguchi N,Chae BS,Zhang L,Kiick KL,Furst EM

更新日期：2005-07-01 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：:Enzymatic glyco-modification of transparent cellulose films with lactose was achieved by nonaqueous biocatalysis, and rat hepatocyte attachment behavior to the lactose-modified cellulose films was investigated. Regenerated cellulose films were incubated with lactose using a surfactant-enveloped cellulase in lithium ch...

journal_title：Biomacromolecules

authors： Esaki K,Yokota S,Egusa S,Okutani Y,Ogawa Y,Kitaoka T,Goto M,Wariishi H

更新日期：2009-05-11 00:00:00

abstract：:Modular proteins have emerged as powerful tools in tissue engineering because both the mechanical and biochemical properties can be precisely controlled through amino acid sequence. Resilin is an attractive candidate for use in modular proteins because it is well-known for having low stiffness, high fatigue lifetime, ...

journal_title：Biomacromolecules

authors： Renner JN,Cherry KM,Su RS,Liu JC

更新日期：2012-11-12 00:00:00

abstract：:We show the first example of a synergic approach of oxidant (ROS) scavenging carrier and ROS-responsive drug release in the context of a potential therapy against osteoporosis, aiming to inhibit the differentiation of inflammatory cells into osteoclasts. In our "tandem" approach, a branched amphiphilic, PEGylated poly...

journal_title：Biomacromolecules

authors： El Mohtadi F,d'Arcy R,Burke J,Rios De La Rosa JM,Gennari A,Marotta R,Francini N,Donno R,Tirelli N

更新日期：2020-02-10 00:00:00

abstract：:The massive use of antibiotics in healthcare and agriculture has led to their artificial accumulation in natural habitats, which risks the structure and function of the microbial communities in ecosystems, threatens food and water security, and accelerates the development of resistome. Ideally, antibiotics should rema...

journal_title：Biomacromolecules

authors： Zheng W,Anzaldua M,Arora A,Jiang Y,McIntyre K,Doerfert M,Winter T,Mishra A,Ma H,Liang H

更新日期：2020-06-08 00:00:00

abstract：:On the basis of their versatile structure and chemistry as well as tunable mechanical properties, polymer brushes are well-suited as supports for enzyme immobilization. However, a robust surface design is hindered by an inadequate understanding of the impact on activity from the coupling motif and enzyme distribution ...

journal_title：Biomacromolecules

authors： Lane SM,Kuang Z,Yom J,Arifuzzaman S,Genzer J,Farmer B,Naik R,Vaia RA

更新日期：2011-05-09 00:00:00

abstract：:Generation of bioenergy, new functional polymers, or chemicals and biomaterials from hemicelluloses are important uses for biomass. In this paper, a novel functional biopolymer with carbon-carbon double bond and carboxyl groups was prepared by a homogeneous esterification of xylan-rich hemicelluloses (XH) with maleic ...

journal_title：Biomacromolecules

authors： Peng XW,Ren JL,Sun RC

更新日期：2010-12-13 00:00:00

abstract：:Electrospinning for the formation of nanoscale diameter fibers has been explored for high-performance filters and biomaterial scaffolds for vascular grafts or wound dressings. Fibers with nanoscale diameters provide benefits due to high surface area. In the present study we explore electrospinning for protein-based bi...

journal_title：Biomacromolecules

authors： Jin HJ,Fridrikh SV,Rutledge GC,Kaplan DL

更新日期：2002-11-01 00:00:00

abstract：:Development of versatile nanoscale platforms for cancer diagnosis and therapy is of great importance for applications in translational medicine. In this work, we present the use of γ-polyglutamic acid (γ-PGA) nanogels (NGs) to load polypyrrole (PPy) for thermal/photoacoustic (PA) imaging and radiotherapy (RT)-sensitiz...

journal_title：Biomacromolecules

authors： Zhou Y,Hu Y,Sun W,Lu S,Cai C,Peng C,Yu J,Popovtzer R,Shen M,Shi X

更新日期：2018-06-11 00:00:00

abstract：:Copolymers of (R)-3-hydroxybutyric acid (HB) and epsilon-caprolactone (CL) with a composition ranging from 28 to 81 mol % of HB were synthesized by transesterification of the corresponding homopolymers in solution in the presence of 4-toluenesulfonic acid. The copolyesters were characterized with regard to their molec...

journal_title：Biomacromolecules

authors： Impallomeni G,Giuffrida M,Barbuzzi T,Musumarra G,Ballistreri A

更新日期：2002-07-01 00:00:00

abstract：:Glycosaminoglycan (GAG)-protein binding governs critically important signaling events in living matter. Aiming at a quantitative analysis of the involved processes, we herein present a thermodynamic study of the interaction of the model GAG heparin and lysozyme in aqueous solution. Heparin is a highly charged linear p...

journal_title：Biomacromolecules

authors： Walkowiak JJ,Ballauff M,Zimmermann R,Freudenberg U,Werner C

更新日期：2020-11-09 00:00:00