Synthesis and characterization of biodegradable cationic poly(propylene fumarate-co-ethylene glycol) copolymer hydrogels modified with agmatine for enhanced cell adhesion.

abstract：:The copper(II) complex formation equilibria of N-(2-carboxyethyl)chitosans with three different degrees of substitution (DS = 0.42, 0.92, and 1.61) were studied in aqueous solution by pH-potentiometric and UV-spectrophotometric techniques. It was demonstrated that the complexation model of CE-chitosans depends on DS: ...

journal_title：Biomacromolecules

authors： Skorik YA,Gomes CA,Podberezskaya NV,Romanenko GV,Pinto LF,Yatluk YG

更新日期：2005-01-01 00:00:00

abstract：:New aspects concerning the mechanism of formation of chitosan physical hydrogels without any cross-linking agent were studied. The gelation took place during the evaporation of a hydroalcoholic solution of chitosan. We first demonstrated that it was possible to form a physical hydrogel from a hydrochloride form of chi...

journal_title：Biomacromolecules

authors： Boucard N,Viton C,Domard A

更新日期：2005-11-01 00:00:00

abstract：:Properties of Aloe vera galacturonate hydrogels formed via Ca(2+) crosslinking have been studied in regard to key parameters influencing gel formation including molecular weight, ionic strength, and molar ratio of Ca(2+) to COO(-) functionality. Dynamic oscillatory rheology and pulsed field gradient NMR (PFG-NMR) stud...

journal_title：Biomacromolecules

authors： McConaughy SD,Kirkland SE,Treat NJ,Stroud PA,McCormick CL

更新日期：2008-11-01 00:00:00

abstract：:The molecular recognition features of a DNA-sensitive fluorescent bioconjugate capable of targeting a specific DNA sequence with high efficiency are described. The bioconjugate combines a polypeptide from the Tc3 transposase DNA-binding domain with the dsDNA-sensitive fluorophore thiazole orange. Fluorescence spectros...

journal_title：Biomacromolecules

authors： Thompson M

更新日期：2007-11-01 00:00:00

abstract：:We study the self-assembly of genetically engineered protein-based triblock copolymers consisting of a central pH-responsive silk-like middle block (S(H)n, where S(H) is a silk-like octapeptide, (GA)3GH and n is the number of repeats) flanked by hydrophilic random coil outer blocks (C2). Our previous work has already ...

journal_title：Biomacromolecules

authors： Beun LH,Storm IM,Werten MW,de Wolf FA,Cohen Stuart MA,de Vries R

更新日期：2014-09-08 00:00:00

abstract：:Polymeric prodrugs of mPEG-PLA-haloperidol (methoxypoly(ethylene glycol)-b-poly(lactic acid)) can self-assemble into nanoscale micelle-like structures in aqueous solutions. mPEG-PLA-haloperidol was prepared and characterized using 1H and 13C NMR. The conjugation efficiency was found to be 64.8 +/- 21%. Micelles that f...

journal_title：Biomacromolecules

authors： Hans M,Shimoni K,Danino D,Siegel SJ,Lowman A

更新日期：2005-09-01 00:00:00

abstract：:Water-soluble, degradable polymers based on poly(N,N-dimethylaminoethyl methacrylate) (PDMAEMA) with low cytotoxicity and good p-DNA transfection efficiency are highlighted in this article. To solve the nondegradability issue of PDMAEMA, new polymers based on DMAEMA and 5,6-benzo-2-methylene-1,3-dioxepane (BMDO) for g...

journal_title：Biomacromolecules

authors： Zhang Y,Zheng M,Kissel T,Agarwal S

更新日期：2012-02-13 00:00:00

abstract：:The ability to adopt at least two different stable conformations is a common feature of proteins involved in many neurodegenerative diseases. The involved molecules undergo a conformational transition from native, mainly helical states to insoluble amyloid structures that have high β-sheet content. A detailed characte...

journal_title：Biomacromolecules

authors： Gerling UI,Brandenburg E,von Berlepsch H,Pagel K,Koksch B

更新日期：2011-08-08 00:00:00

abstract：:Noncontact mode atomic force microscopy was used to investigate native silk proteins prepared in different ways. Low protein concentrations revealed that single protein molecules exhibit a simple, round shape with apparent diameters of 20-25 nm. Shearing the native protein solutions after extraction from the gland and...

journal_title：Biomacromolecules

authors： Greving I,Cai M,Vollrath F,Schniepp HC

更新日期：2012-03-12 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：:Targeted delivery of antigens to immune cells using micro/nanocarriers may serve as a therapeutic application for vaccination. However, synthetic carriers have potential drawbacks including cytotoxicity, low encapsulation efficiency of antigen, and lack of a morphological design, which limit the translation of the del...

journal_title：Biomacromolecules

authors： Nishiguchi A,Shima F,Singh S,Akashi M,Moeller M

更新日期：2020-06-08 00:00:00

abstract：:Nanoparticles (NPs) with high drug loading and pH-responsivity were prepared by nanoprecipitation of a hydrophobic polymer-drug conjugate (PDC). The PDC, polylactide-graft-doxorubicin (PLA-g-DOX), was synthesized by azide-alkyne click reaction to transform acetylene-functionalized PLA into PLA-graft-aldehyde (PLA-g-AL...

journal_title：Biomacromolecules

authors： Yu Y,Chen CK,Law WC,Weinheimer E,Sengupta S,Prasad PN,Cheng C

更新日期：2014-02-10 00:00:00

abstract：:A successful strategy for the immobilization of rennet from Mucor miehei has been developed. The strategy is based on the immobilization of the enzyme, via their sugar chains at high ionic strength on aminated supports having primary amino groups with a very low pK value. The rennet was covalently immobilized via suga...

journal_title：Biomacromolecules

authors： Pessela BC,Torres R,Fuentes M,Mateo C,Fernandez-Lafuente R,Guisán JM

更新日期：2004-09-01 00:00:00

abstract：:A new route for the design of renewable hydrogels is presented. The soluble waste from masonite production was isolated, fractionized, and upgraded. The resulting hemicellulose rich fraction was alkenyl-functionalized and used in the preparation of covalently cross-linked hydrogels capable of sustained release of inco...

journal_title：Biomacromolecules

authors： Albertsson AC,Voepel J,Edlund U,Dahlman O,Söderqvist-Lindblad M

更新日期：2010-05-10 00:00:00

abstract：:The purpose of this study was to gain mechanistic insights into the effect of different formulation parameters on the degradation and release behavior of protein-loaded nanoparticulate carrier systems based on an aliphatic polyester with pendant hydroxyl groups, poly(lactic-co-glycolic-hydroxymethyl glycolic acid) (pL...

journal_title：Biomacromolecules

authors： Samadi N,van Nostrum CF,Vermonden T,Amidi M,Hennink WE

更新日期：2013-04-08 00:00:00

abstract：:(1,3)(1,4)-β-D-Glucan (mixed-linkage glucan or MLG), a characteristic hemicellulose in primary cell walls of grasses, was investigated to determine both its role in cell walls and its interaction with cellulose and other cell wall polysaccharides in vitro. Binding isotherms showed that MLG adsorption onto microcrystal...

journal_title：Biomacromolecules

authors： Kiemle SN,Zhang X,Esker AR,Toriz G,Gatenholm P,Cosgrove DJ

更新日期：2014-05-12 00:00:00

abstract：:A new series of cationic, thermo-sensitive, and biodegradable poly(L-lactide)-poly(2-ethyl-2-oxazoline)-poly(L-lactide) (PLLA-PEOz-PLLA) triblock copolymers were synthesized by ring-opening polymerization. With increasing molecular weight and crystallinity of hydrophobic PLLA blocks, the critical micellization concent...

journal_title：Biomacromolecules

authors： Wang CH,Hsiue GH

更新日期：2003-11-01 00:00:00

abstract：:In this work we describe the application of amphiphilic N-(2-hydroxypropyl)methacrylamide (HPMA)-based copolymers as polymeric surfactants in miniemulsion techniques. HPMA-based copolymers with different ratios of HPMA (hydrophilic) to laurylmethacrylate (LMA; hydrophobic) units were synthesized by RAFT polymerization...

journal_title：Biomacromolecules

authors： Kelsch A,Tomcin S,Rausch K,Barz M,Mailänder V,Schmidt M,Landfester K,Zentel R

更新日期：2012-12-10 00:00:00

abstract：:Bioresponsive polymers can enable the development of more effective drug delivery vehicles and medical materials. Acetal-modified polysaccharides allow pH-triggered solubility switching in a versatile and effective manner, but prior work has been limited to a combination of acyclic alkoxyisopropyl and cyclic isopropyl...

journal_title：Biomacromolecules

authors： Graham ET,Broaders KE

更新日期：2019-05-13 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：:This article reports on the successful preparation and characterization of cellulose nanocrystals (CNCs) surface-modified with polylactide (PLA) and poly(butylene succinate) (PBS) binary mixed homopolymer brushes. Their synthesis was designed as a three-step procedure combining polyester synthesis and surface-modifica...

journal_title：Biomacromolecules

authors： Mincheva R,Jasmani L,Josse T,Paint Y,Raquez JM,Gerbaux P,Eyley S,Thielemans W,Dubois P

更新日期：2016-09-12 00:00:00

abstract：:A heterofunctional support for enzyme immobilization may be defined as that which possesses several distinct functionalities on its surface able to interact with a protein. We will focus on those supports in which a final covalent attachment between the enzyme and the support is achieved. Heterofunctionality sometimes...

journal_title：Biomacromolecules

authors： Barbosa O,Torres R,Ortiz C,Berenguer-Murcia A,Rodrigues RC,Fernandez-Lafuente R

更新日期：2013-08-12 00:00:00

abstract：:PLGA nanoparticles are among the most studied polymer nanoformulations for several drugs against different kinds of malignant diseases, thanks to their in vivo stability and tumor localization exploiting the well-documented "enhanced permeation and retention" (EPR) effect. In this paper, we have developed uniform curc...

journal_title：Biomacromolecules

authors： Verderio P,Bonetti P,Colombo M,Pandolfi L,Prosperi D

更新日期：2013-03-11 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：:A novel aptamer modified thermosensitive liposome was designed as an efficient magnetic resonance imaging probe. In this paper, Gd-DTPA was encapsulated into an optimized thermosensitive liposome (TSL) formulation, followed by conjugation with AS1411 for specific targeting against tumor cells that overexpress nucleoli...

journal_title：Biomacromolecules

authors： Zhang K,Liu M,Tong X,Sun N,Zhou L,Cao Y,Wang J,Zhang H,Pei R

更新日期：2015-09-14 00:00:00

abstract：:To broaden the application scope of lactic acid polymers, a new miniemulsion of poly(alkyl methacrylate-graft-lactic acid)s has been developed. The graft copolymer synthesis was based on a poly(lactic acid) macromonomer having a methacryloyl polymerizable group. The macromonomer and a comonomer of n-butyl methacrylate...

journal_title：Biomacromolecules

authors： Ishimoto K,Arimoto M,Ohara H,Kobayashi S,Ishii M,Morita K,Yamashita H,Yabuuchi N

更新日期：2009-10-12 00:00:00

abstract：:Several alternatives to the conventional alginate beads formulation were studied for encapsulation of invertase. Pectin was added to the alginate/enzyme solution while trehalose and β-cyclodextrin were added to the calcium gelation media. The effect of composition changes, freezing, drying methods (freeze, vacuum, or ...

journal_title：Biomacromolecules

authors： Santagapita PR,Mazzobre MF,Buera MP

更新日期：2011-09-12 00:00:00

abstract：:For efficient reversal of multidrug resistance (MDR) in chemotherapy for breast cancer, multifunctional self-assembled nanoparticles (MSN) based on a new amphiphilic copolymer consisting of bioreducible poly[bis(2-hydroxylethyl)-disulfide-diacrylate-β-tetraethylenepentamine] and polycaprolactone (PBD-PCL) were constru...

journal_title：Biomacromolecules

authors： Yin Q,Shen J,Zhang Z,Yu H,Chen L,Gu W,Li Y

更新日期：2013-07-08 00:00:00

abstract：:Thanks to chemical stabilization, aldehyde-assisted fractionation (AAF) of lignocellulosic biomass has recently emerged as a powerful tool for the production of largely uncondensed lignin. Depolymerization of AAF lignin via ether cleavage provides aromatic monomers at near theoretical yields based on ether cleavage an...

journal_title：Biomacromolecules

authors： Vendamme R,Behaghel de Bueren J,Gracia-Vitoria J,Isnard F,Mulunda MM,Ortiz P,Wadekar M,Vanbroekhoven K,Wegmann C,Buser R,Héroguel F,Luterbacher JS,Eevers W

更新日期：2020-10-12 00:00:00

abstract：:Aberrant expression of histone deacetylases (HDACs) is related to various types of cancer and is associated with increased proliferation of tumor cells. Hence, the detection of HDAC activities is of great significance for medical sciences as well as biological diagnostics. Herein, we report a hyperbranched polyester-b...

journal_title：Biomacromolecules

authors： Yu C,Wu Y,Zeng F,Li X,Shi J,Wu S

更新日期：2013-12-09 00:00:00