Synthesis of chitosan-stabilized gold nanoparticles in the absence/presence of tripolyphosphate.

abstract：:The present study demonstrates the controlled synthesis and biological potential of poly( N-acryloyl-l-methionine methyl sulfonium salt)s (poly(A-Met(S+)-OH)s), which mimic dimethylsulfoniopropionate (DMSP), a compound produced by marine algae to protect their proteins. The novel sulfonium-containing zwitterionic poly...

journal_title：Biomacromolecules

authors： Imamura R,Mori H

更新日期：2019-02-11 00:00:00

abstract：:Amphiphilic polymer conetworks (APCNs) are materials with a very large interface between their hydrophilic and hydrophobic phases due to their nanophase-separated morphologies. Proteins were found to enrich in APCNs by up to 2 orders of magnitude when incubated in aqueous protein solutions, raising the question of the...

journal_title：Biomacromolecules

authors： Dech S,Cramer T,Ladisch R,Bruns N,Tiller JC

更新日期：2011-05-09 00:00:00

abstract：:We have constructed a tandem gene expression cassette containing three Ralstonia eutropha poly[(R)-3-hydroxybutyrate] (PHB) synthesis genes under the control of the Pichia pastoris glyceraldehyde-3-phosphate promoter and the green fluorescent protein (Gfp) under the control of the P. pastoris alcohol oxidase promoter....

journal_title：Biomacromolecules

authors： Vijayasankaran N,Carlson R,Srienc F

更新日期：2005-03-01 00:00:00

abstract：:The dynamics of silk protein in the presence and absence of water has been investigated by dielectric relaxation spectroscopy (DRS). The silk fibroin film cast from its water solution contains 4-7 wt % bound water molecules, which can be removed by dehydration at 165 °C. Temperature and frequency scans were performed ...

journal_title：Biomacromolecules

authors： Yu L,Hu X,Kaplan D,Cebe P

更新日期：2010-10-11 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：:Silkworm silk has excellent mechanical properties, biocompatibility, and promising applications in the biomedical sector. Silkworms spin silk at the beginning and end of each of their five instar stages, as well as spinning mature silk after the fifth instar. We evaluated the mechanical properties and structure of 10 ...

journal_title：Biomacromolecules

authors： Peng Z,Yang X,Liu C,Dong Z,Wang F,Wang X,Hu W,Zhang X,Zhao P,Xia Q

更新日期：2019-03-11 00:00:00

abstract：:A surface force balance was used to measure the normal and shear forces between two mica surfaces each bearing an adsorbed layer of porcine gastric mucin ("Orthana" mucin), genetically similar to human MUC6. This mucin is a highly purified, 546 kDa, weakly negative, polyampholytic molecule with a "dumbbell" structure....

journal_title：Biomacromolecules

authors： Harvey NM,Yakubov GE,Stokes JR,Klein J

更新日期：2011-04-11 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：:Structural properties of different polypeptide multilayer nanofilms fabricated at neutral pH have been analyzed by UV spectroscopy, circular dichroism spectroscopy (CD), and Fourier-transform infrared spectroscopy (FTIR). The various peptides studied exhibit a strong tendency to adopt a beta sheet conformation in the ...

journal_title：Biomacromolecules

authors： Zhang L,Haynie DT

更新日期：2008-01-01 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：: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：: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：:A one-step synthesis of a curcumin-derived hydrogel (curcumin content of 25-75 mol %) is reported. Curcumin is incorporated into the hydrogel backbone and cross-linked through biodegradable carbonate linkages. Curcumin as a part of the polymer backbone is protected from oxidation and degradation, while hydrogel hydrol...

journal_title：Biomacromolecules

authors： Shpaisman N,Sheihet L,Bushman J,Winters J,Kohn J

更新日期：2012-08-13 00:00:00

abstract：:Core-shell structured nanoparticles (NPs) render the simultaneous coloading capacity of both hydrophobic and hydrophilic drugs and may eventually enhance therapeutic efficacy. In this study, we employed a facile squalenoylation technology to synthesize a new amphiphilic starch derivative from partially oxidized starch...

journal_title：Biomacromolecules

authors： Phan VHG,Trang Duong HT,Tran PT,Thambi T,Ho DK,Murgia X

更新日期：2020-12-21 00:00:00

abstract：:The SEC-MALS-QELS (size-exclusion chromatography equipped with multiangle light scattering and quasi-elastic light scattering detectors) method using lithium chloride/N,N-dimethylacetamide (LiCl/DMAc) and LiCl/1,3-dimethyl-2-imidazolidinone (LiCl/DMI) as mobile phases was applied to cellulose and cellulose tricarbanil...

journal_title：Biomacromolecules

authors： Yanagisawa M,Isogai A

更新日期：2005-05-01 00:00:00

abstract：:Images of high methoxyl orange pectin deposited from solution and high methoxyl sugar acid gels (HMSAG) were obtained by atomic force microscopy (AFM) in the tapping mode. For the first time, images of pectin deposited from water revealed that the transition from pectin networks to individual molecules or aggregates t...

journal_title：Biomacromolecules

authors： Fishman ML,Cooke PH,Chau HK,Coffin DR,Hotchkiss AT Jr

更新日期：2007-02-01 00:00:00

abstract：:Poly(beta-hydroxybutyrate) (PHB) modified with different amounts of pentaerythritol ethoxylate (PEE) has been synthesized using Ralstonia eutropha. The growth kinetics and the synthesis of PHB in the presence of PEE were modeled using appropriate differential equations for the mass balance of the two-stage process. Th...

journal_title：Biomacromolecules

authors： Jenzsch M,Volk N,Kressler J,Scholz C

更新日期：2001-10-01 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：:The need for polymers for high-end applications, coupled with the desire to mimic nature's macromolecular machinery fuels the development of innovative synthetic strategies every year. The recently acquired macromolecular-synthetic tools increase the precision and enable the synthesis of polymers with high control and...

journal_title：Biomacromolecules

authors： Olsén P,Odelius K,Albertsson AC

更新日期：2016-03-14 00:00:00

abstract：:A stepwise anticancer drug delivery system based on an injectable supramolecular hydrogel was presented. In this system, poly(ethylene glycol)-b-poly(acrylic acid) (PEG-b-PAA) block copolymer nanoparticles containing cisplatin were released by erosion of the hydrogels and then the cisplatin was released from the nanop...

journal_title：Biomacromolecules

authors： Zhu W,Li Y,Liu L,Chen Y,Wang C,Xi F

更新日期：2010-11-08 00:00:00

abstract：:Polymerized high internal phase emulsions (polyHIPEs) have been utilized in the creation of injectable scaffolds that cure in situ to fill irregular bone defects and potentially improve tissue healing. Previously, thermally initiated scaffolds required hours to cure, which diminished the potential for clinical transla...

journal_title：Biomacromolecules

authors： Moglia RS,Whitely M,Dhavalikar P,Robinson J,Pearce H,Brooks M,Stuebben M,Cordner N,Cosgriff-Hernandez E

更新日期：2014-08-11 00:00:00

abstract：:A new mathematical model is presented for the analysis of the substituent distribution in the polymer chain of polysaccharide derivatives. For the first time, the influence of substitution on the reactivity of neighbored monomer units is taken into account. The model was applied to various cellulose and amylose ethers...

journal_title：Biomacromolecules

authors： Mischnick P,Hennig C

更新日期：2001-04-01 00:00:00

abstract：:Polypeptide-based formulations that undergo liquid to hydrogel transitions upon change in temperature have become desirable targets since they can be mixed with cells or injected into tissues as liquids, and subsequently transform into rigid scaffolds or depots. Such materials have been challenging to prepare using sy...

journal_title：Biomacromolecules

authors： Zhang S,Alvarez DJ,Sofroniew MV,Deming TJ

更新日期：2015-04-13 00:00:00

abstract：:Endo-beta-1,4-xylanases (EC 3.2.1.8) are the main enzymes involved in the hydrolysis of xylans, the most abundant hemicelluloses in plant biomass. However, the development of efficient endoxylanases for use in biorefinery processes is currently hampered by insufficient knowledge regarding the impact of the cell wall n...

journal_title：Biomacromolecules

authors： Boukari I,Putaux JL,Cathala B,Barakat A,Saake B,Rémond C,O'Donohue M,Chabbert B

更新日期：2009-09-14 00:00:00

abstract：:A cellulose macromonomer, N-(15-methacryloyloxypentadecanoyl)-tri-O-acetyl-beta-cellulosylamine (CTA-C15-MA (2); M(2)) with number averaged degree of polymerization (DP(n)) = 13), was copolymerized with methyl methacrylate (MMA; M(1)) to give cellulosic copolymer with CTA side chains, PMMA-g-(CTA-C15) (3-A). An absolu...

journal_title：Biomacromolecules

authors： Enomoto-Rogers Y,Kamitakahara H,Takano T,Nakatsubo F

更新日期：2009-08-10 00:00:00

abstract：:The grafting of thermosensitive amine-terminated statistical polymers onto the surface of cellulose nanocrystals (CNCs) was achieved by a peptidic coupling reaction, leading to unusual properties like colloidal stability at high ionic strength, surface activity, and thermoreversible aggregation. We have used a large v...

journal_title：Biomacromolecules

authors： Azzam F,Heux L,Putaux JL,Jean B

更新日期：2010-12-13 00:00:00

abstract：:Low tolerability and tumor selectivity restricts many potent anticancer drugs including mertansine from wide clinical use. Here, glutathione-activatable hyaluronic acid-SS-mertansine prodrug (HA-SS-DM1) was designed and developed to achieve enhanced tolerability and targeted therapy of CD44+ human breast tumor xenogra...

journal_title：Biomacromolecules

authors： Zhong P,Zhang J,Deng C,Cheng R,Meng F,Zhong Z

更新日期：2016-11-14 00:00:00

abstract：:New type of N-glycosylated peptides having periodic sequence of -[X-Gln(beta-D-GlcNAc)-Aib]- [X = L-Glu(OMe), L-Lys(Ac), L-Ala; Aib = alpha-aminoisobutyric acid] were synthesized by polymerization of glycosylated tripeptides with an active ester methods using Cl(-+)H(3)N-L-Glu(OMe)-Gln[beta-D-GlcNAc(Ac)(3)]-Aib-ONp (N...

journal_title：Biomacromolecules

authors： Takasu A,Horikoshi S,Hirabayashi T

更新日期：2005-07-01 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：: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