Electrospun nanofibrous mats containing quaternized chitosan and polylactide with in vitro antitumor activity against HeLa cells.

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：:Cross-linked homopolymers and copolymers of 2-hydroxyethyl methacrylate, HEMA, and ethylene glycol methacrylate phosphate, MOEP, have been synthesized, and the diffusion of water into these systems has been investigated. Only polymers with 0-20 mol % MOEP exhibited ideal swelling behavior as extensive fracturing occur...

journal_title：Biomacromolecules

authors： George KA,Wentrup-Byrne E,Hill DJ,Whittaker AK

更新日期：2004-07-01 00:00:00

abstract：:Self-assembled hydrogen-bonded networks of the polysaccharide pectin, a mechanically functional component of plant cell walls, have been of recent interest as biomimetic exemplars of physical gels, and the microrheological and strain-stiffening behaviors have been previously investigated. Despite this detailed rheolog...

journal_title：Biomacromolecules

authors： Mansel BW,Chu CY,Leis A,Hemar Y,Chen HL,Lundin L,Williams MA

更新日期：2015-10-12 00:00:00

abstract：:This paper shows a simple and effective way to avoid the dissociation of multimeric enzymes by coating their surface with a large cationic polymer (e.g., polyethylenimine (PEI)) by ionic exchange. As model enzymes, glutamate dehydrogenase (GDH) from Thermus thermophilus and formate dehydrogenase (FDH) from Pseudomonas...

journal_title：Biomacromolecules

authors： Bolivar JM,Rocha-Martin J,Mateo C,Cava F,Berenguer J,Fernandez-Lafuente R,Guisan JM

更新日期：2009-04-13 00:00:00

abstract：:Evidence is presented that the polysaccharide rhamnogalacturonan I (RGI) can be biosynthesized in remarkably organized branched configurations and surprisingly long versions and can self-assemble into a plethora of structures. AFM imaging has been applied to study the outer mucilage obtained from wild-type (WT) and mu...

journal_title：Biomacromolecules

authors： Williams MAK,Cornuault V,Irani AH,Symonds VV,Malmström J,An Y,Sims IM,Carnachan SM,Sallé C,North HM

更新日期：2020-04-13 00:00:00

abstract：:We report an enzyme-based method for the in situ entrapment of cells within a biopolymeric hydrogel matrix. Specifically, we used a calcium-independent microbial transglutaminase that is known to cross-link proteins and observed that it catalyzes the formation of gels from a pre-gel solution containing 10% gelatin and...

journal_title：Biomacromolecules

authors： Chen T,Small DA,McDermott MK,Bentley WE,Payne GF

更新日期：2003-11-01 00:00:00

abstract：:Detailed structural characterization of protein-polymer conjugates and understanding of the interactions between covalently attached polymers and biomolecules will build a foundation to design and synthesize hybrid biomaterials. Conjugates based on simple protein structures are ideal model system to achieve these ends...

journal_title：Biomacromolecules

authors： Shu JY,Lund R,Xu T

更新日期：2012-06-11 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：:There is compelling evidence that, beyond their traditional role in hemostasis and thrombosis, platelets play a significant role in mediating hematologic mechanisms of tumor metastasis by directly and indirectly interacting with pro-metastatic cancer cells. With this rationale, we hypothesized that platelets can be an...

journal_title：Biomacromolecules

authors： Modery-Pawlowski CL,Master AM,Pan V,Howard GP,Sen Gupta A

更新日期：2013-03-11 00:00:00

abstract：:Many dental restorative dental composites still utilize 2,2-bis[4-(2-hydroxy-3-methacryloyloxy propoxy) phenyl] propane (Bis-GMA) as base resin. The high viscosity of Bis-GMA necessitates dilution with dimethacrylate ethers of low viscosity such as triethylene glycol dimethacrylate (TEGDMA). However, increased amounts...

journal_title：Biomacromolecules

authors： Kim JW,Kim LU,Kim CK,Cho BH,Kim OY

更新日期：2006-01-01 00:00:00

abstract：:Thymic epithelial cells (TECs) are the main regulators of T lymphocyte development and selection, requiring a three-dimensional (3D) environment to properly perform these biological functions. The aim of this work was to develop a 3D culture substrate that allows the survival and proliferation of TECs. Thus, electrosp...

journal_title：Biomacromolecules

authors： Silva CS,Pinto RD,Amorim S,Pires RA,Correia-Neves M,Reis RL,Alves NL,Martins A,Neves NM

更新日期：2020-12-14 00:00:00

abstract：:Bone-marrow-derived mesenchymal stem cells (BMSCs) possess vast potential for tissue engineering and regenerative medicine. In this study, an injectable hydrogel comprising poly(l-glutamic acid)-graft-tyramine (PLG-g-TA) with tunable microenvironment was developed via enzyme-catalyzed cross-linking and used as an arti...

journal_title：Biomacromolecules

authors： Ren K,Cui H,Xu Q,He C,Li G,Chen X

更新日期：2016-12-12 00:00:00

abstract：:A series of well-defined thermoresponsive diblock copolymers (PEO45-b-PtNEAn, n=22, 44, 63, 91, 172) were prepared by the atom transfer radical polymerization of trans-N-(2-ethoxy-1,3-dioxan-5-yl) acrylamide (tNEA) using a poly(ethylene oxide) (PEO45) macroinitiator. All copolymers are water-soluble at low temperature...

journal_title：Biomacromolecules

authors： Qiao ZY,Ji R,Huang XN,Du FS,Zhang R,Liang DH,Li ZC

更新日期：2013-05-13 00:00:00

abstract：:The blue mussel (Mytilus edulis) foot protein 5 (Mefp-5) is an adhesive protein that is mainly composed of glycine, l-lysine, and 3,4-dihydroxy-l-phenylalanine (DOPA). Thousands of adhesive pads have been analyzed in previous studies, whereby it has been found that adhesion is largely achieved by the redox-chemistry o...

journal_title：Biomacromolecules

authors： Numata K,Baker PJ

更新日期：2014-08-11 00:00:00

abstract：:A series of copolymers of trimethylene carbonate (TMC) and L-lactide (LLA) were synthesized and evaluated as scaffolds for the production of artificial blood vessels. The polymers were end-functionalized with acrylate, cast into films, and cross-linked using UV light. The mechanical, degradation, and biocompatibility ...

journal_title：Biomacromolecules

authors： Dargaville BL,Vaquette C,Peng H,Rasoul F,Chau YQ,Cooper-White JJ,Campbell JH,Whittaker AK

更新日期：2011-11-14 00:00:00

abstract：:We prepared statistical copolymers composed of 2-methyl-2-oxazoline (MeOx) in combination with 2-butenyl-2-oxazoline (BuOx) or 2-decenyl-2-oxazoline (DecOx) as a basis for polymer analogous introduction of 1,2-aminothiol moieties at the side chain. MeOx provides hydrophilicity as well as cyto- and hemocompatibility, w...

journal_title：Biomacromolecules

authors： Schmitz M,Kuhlmann M,Reimann O,Hackenberger CP,Groll J

更新日期：2015-04-13 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：:The water-soluble arabinoxylans from wheat flour (high, medium, and low viscosity samples) and rye flour (high viscosity sample) were characterized by (1)H NMR spectroscopy and HPSEC with refractive index, light scattering, and viscometric detectors. These cereal arabinoxylans have recently been used as model arabinox...

journal_title：Biomacromolecules

authors： Pitkänen L,Virkki L,Tenkanen M,Tuomainen P

更新日期：2009-07-13 00:00:00

abstract：:The design and application of soft nanocomposite injectable hydrogels containing entrapped microgels for small-molecule drug delivery is demonstrated. Copolymer microgels based on N-isopropylacrylamide and acrylic acid were synthesized that exhibited both ionic and hydrophobic affinity for binding to bupivacaine, a ca...

journal_title：Biomacromolecules

authors： Sivakumaran D,Maitland D,Hoare T

更新日期：2011-11-14 00:00:00

abstract：:A cellulose-chitin hybrid polysaccharide having alternatingly beta(1-->4)-linked D-glucose (Glc) and N-acetyl-d-glucosamine (GlcNAc) was synthesized via two modes of enzymatic polymerization. First, a sugar oxazoline monomer of Glcbeta(1-->4)GlcNAc (1) was designed as a transition-state analogue substrate (TSAS) monom...

journal_title：Biomacromolecules

authors： Kobayashi S,Makino A,Matsumoto H,Kunii S,Ohmae M,Kiyosada T,Makiguchi K,Matsumoto A,Horie M,Shoda S

更新日期：2006-05-01 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：: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：:Collagen fibrils were obtained in vitro by aggregation from acid-soluble type I collagen at different initial concentrations and with the addition of decorin core or intact decorin. All specimens were observed by scanning electron microscopy and atomic force microscopy. In line with the findings of other authors, lack...

journal_title：Biomacromolecules

authors： Raspanti M,Viola M,Sonaggere M,Tira ME,Tenni R

更新日期：2007-07-01 00:00:00

abstract：:Poly( n-butyl methacrylate) (PBMA) or poly( n-butyl acrylate) (PBA)-grafted brush coatings attached to glass were successfully prepared using atom-transfer radical polymerization "from the surface". The thicknesses and composition of the PBMA and PBA coatings were examined using ellipsometry and time-of-flight seconda...

journal_title：Biomacromolecules

authors： Awsiuk K,Stetsyshyn Y,Raczkowska J,Lishchynskyi O,Dąbczyński P,Kostruba A,Ohar H,Shymborska Y,Nastyshyn S,Budkowski A

更新日期：2019-06-10 00:00:00

abstract：:We present a synthetic approach toward soft, glycooligomer-functionalized microgel particles mimicking carbohydrate presenting cell surfaces and analyze their specific binding to a model lectin (Concanavalin A, ConA). Focusing on multivalent presentation, a series of sequence-controlled glycooligomers with varying spa...

journal_title：Biomacromolecules

authors： Jacobi F,Camaleño de la Calle A,Boden S,Grafmüller A,Hartmann L,Schmidt S

更新日期：2018-08-13 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：: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：:Gastric mucin, a high molecular weight glycoprotein, is responsible for providing the gel-forming properties and protective function of the gastric mucus layer. Bulk rheology measurements in the linear viscoelastic regime show that gastric mucin undergoes a pH-dependent sol-gel transition from a viscoelastic solution ...

journal_title：Biomacromolecules

authors： Celli JP,Turner BS,Afdhal NH,Ewoldt RH,McKinley GH,Bansil R,Erramilli S

更新日期：2007-05-01 00:00:00

abstract：:Polymers are appealing as pH-responsive elements of multicomponent systems designed to promote cytosolic delivery of macromolecular drugs (including proteins and genes), but so far the delivery efficiency achieved has been relatively modest. Therefore, the aim of this study was to apply several physicochemical techniq...

journal_title：Biomacromolecules

authors： Griffiths PC,Khayat Z,Tse S,Heenan RK,King SM,Duncan R

更新日期：2007-03-01 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