Binding between proteins and cationic spherical polyelectrolyte brushes: effect of pH, ionic strength, and stoichiometry.

abstract：:We have investigated the thermodynamic and dynamic behavior of multistranded β-lactoglobulin protein fibrils in water, by combining static, dynamic, and depolarized dynamic light scattering (SLS, DLS, DDLS), small angle neutron scattering (SANS), rheology, and cryogenic transmission electron microscopy (cryo-TEM). We ...

journal_title：Biomacromolecules

authors： Bolisetty S,Harnau L,Jung JM,Mezzenga R

更新日期：2012-10-08 00:00:00

abstract：:Positive strand RNA viruses replicate in specialized niches called membranous web within the cytoplasm of host cells. These virus replication organelles sequester viral proteins, RNA, and a variety of host factors within a fluid, amorphous matrix of clusters of endoplasmic reticulum (ER) derived vesicles. They are tho...

journal_title：Biomacromolecules

authors： Ho JCS,Steininger C,Hiew SH,Kim MC,Reimhult E,Miserez A,Cho N,Parikh AN,Liedberg B

更新日期：2019-04-08 00:00:00

abstract：:This work reports on the effect of CO2 at subcritical conditions and the gaseous state on the telechelic poly(epsilon-caprolactone) polymers. The tested polymers are semi-crystalline in nature and thus the effect of functional groups and their overall contribution to foaming and formation of microstructures with open-...

journal_title：Biomacromolecules

authors： Nawaby AV,Farah AA,Liao X,Pietro WJ,Day M

更新日期：2005-09-01 00:00:00

abstract：:The drying dynamics of protein coatings is of importance for many applications. The main focus of research so far was to investigate macroscopic properties of protein coatings, leaving drying dynamics virtually unexplored. A unique combination of techniques is used to monitor drying of a coating containing the protein...

journal_title：Biomacromolecules

authors： Bouman J,de Vries R,Venema P,Belton P,Baukh V,Huinink HP,van der Linden E

更新日期：2015-01-12 00:00:00

abstract：:Chimeric DNA containing parallel (ps) and antiparallel (aps) duplex elements as well as poly-dC tracts were designed and synthesized. Oligonucleotide duplexes with ps chain orientation containing reverse Watson-Crick dA-dT base pairs and short d(C)2 tails are stabilized under slightly acidic conditions by hemiprotonat...

journal_title：Biomacromolecules

authors： Mei H,Budow S,Seela F

更新日期：2012-12-10 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：:In the present study we describe the synthesis, wet spinning, mechanical testing, and degradation of poly(urethane urea)s (PUURs) intended for clinical use in anterior cruciate ligament (ACL) reconstruction. The effects of soft segment chemical composition and molar mass and the kind of diamine chain extender on the m...

journal_title：Biomacromolecules

authors： Gisselfält K,Edberg B,Flodin P

更新日期：2002-09-01 00:00:00

abstract：:The positive interaction of materials with tissues is an important step in regenerative medicine strategies. Hydrogels that are obtained from polysaccharides and proteins are expected to mimic the natural cartilage environment and thus provide an optimum milleu for tissue growth and regeneration. In this work, novel h...

journal_title：Biomacromolecules

authors： Silva SS,Motta A,Rodrigues MT,Pinheiro AF,Gomes ME,Mano JF,Reis RL,Migliaresi C

更新日期：2008-10-01 00:00:00

abstract：:Polycaprolactone (PCL) was reported a long time ago; however, its biomedical applications has not been extensively investigated in comparison with poly(lactide- co-glycolide) (PLGA) due to its too slow degradation profile. Here, we are reporting an oxalate-connected oligocaprolactone multiblock copolymer (PCL-OX) as a...

journal_title：Biomacromolecules

authors： Chang SH,Lee HJ,Park S,Kim Y,Jeong B

更新日期：2018-06-11 00:00:00

abstract：:Chitin nanocrystal aqueous dispersions were prepared by acid hydrolysis of crude chitin from crab shells. The resulting dispersions were studied with small deformation oscillatory experiments and polarized optical microscopy under different conditions of nanocrystal concentration, ionic strength, pH, and temperature. ...

journal_title：Biomacromolecules

authors： Tzoumaki MV,Moschakis T,Biliaderis CG

更新日期：2010-01-11 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：:A wood based yarn platform for capturing pharmaceutical molecules from water was developed. Cellulose fiber yarns were modified with cyclodextrins, and the capture of 17α-ethinyl estradiol (EE2), a synthetic estrogen hormone used as contraceptive, from water was tested. The yarns were prepared by spinning a deep eutec...

journal_title：Biomacromolecules

authors： Orelma H,Virtanen T,Spoljaric S,Lehmonen J,Seppälä J,Rojas OJ,Harlin A

更新日期：2018-02-12 00:00:00

abstract：:This investigation describes the formulation and characterization of rheologically structured vehicles (RSVs) designed for improved drug delivery to the vagina. Interactive, multicomponent, polymeric platforms were manufactured containing hydroxyethylcellulose (HEC, 5% w/w) polyvinylpyrrolidone (PVP, 4% w/w), Pluronic...

journal_title：Biomacromolecules

authors： Andrews GP,Donnelly L,Jones DS,Curran RM,Morrow RJ,Woolfson AD,Malcolm RK

更新日期：2009-09-14 00:00:00

abstract：:In this paper we propose a detailed analysis of structural and morphological properties of two poly-L-lysine (PLL)-based transfection formulations, PLL/DNA and pegylated PLL (PLL-g-PEG)/DNA, by means of atomic force microscopy (AFM) and transmission electron microscopy (TEM). Comparing PLL-g-PEG/DNA with PLL/DNA polyp...

journal_title：Biomacromolecules

authors： Stanić V,Arntz Y,Richard D,Affolter C,Nguyen I,Crucifix C,Schultz P,Baehr C,Frisch B,Ogier J

更新日期：2008-07-01 00:00:00

abstract：:We studied methoxy poly(ethylene glycol)-b-poly(ε-caprolactone)-b-poly(2-dimethylaminoethyl methacrylate) (mPEG-b-PCL-b-PDMAEMA) nanoparticles as the codelivery vector of hydrophobic drug and pDNA by employing dynamic light scattering (DLS), ζ potential, transmission electron microscopy (TEM), gel retardation assay, a...

journal_title：Biomacromolecules

authors： Yue X,Qiao Y,Qiao N,Guo S,Xing J,Deng L,Xu J,Dong A

更新日期：2010-09-13 00:00:00

abstract：:Stereocomplexation of poly(L-lactide) (PLLA) with star shaped D-lactic acid (D-LA) oligomers with different architectures and end-groups clearly altered the degradation rate and affected the degradation product patterns. Altogether, nine materials were studied: standard PLLA and eight blends of PLLA with either 30 or ...

journal_title：Biomacromolecules

authors： Andersson SR,Hakkarainen M,Inkinen S,Södergård A,Albertsson AC

更新日期：2012-04-09 00:00:00

abstract：:In the present contribution, two-dimensional ATR-FTIR spectroscopy was used to study the diffusion of water in poly(epsilon-caprolactone) (PCL). In the spectral region of the nu(OH) stretching vibration of water, four absorption bands (3635, 3560, 3411, and 3220 cm(-1)) can be identified. The higher wavenumber band pa...

journal_title：Biomacromolecules

authors： Peng Y,Wu P,Siesler HW

更新日期：2003-07-01 00:00:00

abstract：:Electrospinning is a simple and versatile technique of producing polymeric fibers ranging from submicron to micron in diameter. Incorporation of bioactive agents into the fibers could make a biofunctional tissue engineering scaffold. In this study, we investigated the feasibility of encapsulating human beta-nerve grow...

journal_title：Biomacromolecules

authors： Chew SY,Wen J,Yim EK,Leong KW

更新日期：2005-07-01 00:00:00

abstract：:Cocontinuous phase structures of immiscible polymers can be developed under appropriate melt-blending conditions. Because of the presence of interfacial tension, such cocontinuous structures start to coarsen when heated to a temperature higher than the melting/softening temperature of both phases. In this study, a met...

journal_title：Biomacromolecules

authors： Yao D,Zhang W,Zhou JG

更新日期：2009-05-11 00:00:00

abstract：:In the cell nucleus, putrescine, spermidine, and spermine self-assemble with phosphate ions to generate three forms of compounds, named nuclear aggregates of polyamines (NAPs), which may interact with DNA. In an in vitro setting mimicking the cell nucleus milieu, this molecular aggregation occurs within well-defined r...

journal_title：Biomacromolecules

authors： Iacomino G,Picariello G,Sbrana F,Di Luccia A,Raiteri R,D'Agostino L

更新日期：2011-04-11 00:00:00

abstract：:The short average service life of traditional dental composite restorative materials and increasing occurrence of secondary caries adjacent to composite restorations and sealants are necessitating the development of new, longer lasting compositions. Novel monomers and their polymers, reinforcing fillers, and adhesive ...

journal_title：Biomacromolecules

authors： Gonzalez-Bonet A,Kaufman G,Yang Y,Wong C,Jackson A,Huyang G,Bowen R,Sun J

更新日期：2015-10-12 00:00:00

abstract：:Biocompatible photoresponsive materials are of interest for targeted drug delivery, tissue engineering, 2D and 3D protein patterning, and other biomedical applications. We prepared light degradable hydrogels using a natural alginate polysaccharide cross-linked with iron(III) cations. The "hard" iron(III) cations used ...

journal_title：Biomacromolecules

authors： Narayanan RP,Melman G,Letourneau NJ,Mendelson NL,Melman A

更新日期：2012-08-13 00:00:00

abstract：:Spider dragline silk with its superlative tensile properties provides an ideal system to study the relationship between morphology and mechanical properties of a structural protein. Accordingly, we synthesized two hybrid multiblock copolymers by condensing poly(alanine) [(Ala)(5)] blocks of the structural proteins (sp...

journal_title：Biomacromolecules

authors： Zhou C,Leng B,Yao J,Qian J,Chen X,Zhou P,Knight DP,Shao Z

更新日期：2006-08-01 00:00:00

abstract：:Hydrogels derived from resilin-like polypeptides (RLPs) have shown outstanding mechanical resilience and cytocompatibility; expanding the versatility of RLP-based materials via conjugation with other polypeptides and polymers would offer great promise in the design of a range of materials. Here, we present an investig...

journal_title：Biomacromolecules

authors： McGann CL,Akins RE,Kiick KL

更新日期：2016-01-11 00:00:00

abstract：:Small-angle X-ray scattering (SAXS) experiments with in situ dehydration have been performed on small bundles of flax fibers. Analysis indicated that the structure of the cellulose microfibrils is consistent with a cross section of approximately 10 x 50 A2. The microfibril misalignment was Gaussian with a full width a...

journal_title：Biomacromolecules

authors： Astley OM,Donald AM

更新日期：2001-10-01 00:00:00

abstract：:Herein we report the synthesis of biodegradable hyperbranched polyglycerols (BHPGs) having acid-cleavable core structure by anionic ring-opening multibranching polymerization (ROMBP) of glycidol using initiators bearing dimethyl and cyclohexyl ketal groups. Five different multifunctional initiators carrying one to fou...

journal_title：Biomacromolecules

authors： Shenoi RA,Lai BF,Kizhakkedathu JN

更新日期：2012-10-08 00:00:00

abstract：:An underwater bioadhesive generally comprises a multiprotein complex that provides a molecular basis for self-assembly. We report here a new class of self-assembling peptide inspired by a 20 kDa barnacle cement protein. Studies on the chemically synthesized 24-residue peptide have revealed that (1) it underwent irreve...

journal_title：Biomacromolecules

authors： Nakano M,Shen JR,Kamino K

更新日期：2007-06-01 00:00:00

abstract：:Cancer cells have a large amount of ROS (reactive oxygen species) because of disturbed ROS homeostasis. Cancer cells therefore undertake redox adaptation to drive proliferation in tumor environments and even survive during anticancer treatment by upregulating endogenous antioxidants. As one of antioxidant defense syst...

journal_title：Biomacromolecules

authors： Noh J,Jung E,Lee J,Hyun H,Hong S,Lee D

更新日期：2019-02-11 00:00:00

abstract：:This work demonstrates that hydrogen peroxide (H2O2) is generated in weak polyacrylamide hydrogels due to mechanochemical reactions to osmotic swelling. Hydrogels are important tools and materials for many biomedical applications, particularly for growth of stem cells. However, swollen gels are under constant tension,...

journal_title：Biomacromolecules

authors： Parameswar AV,Fitch KR,Bull DS,Duke VR,Goodwin AP

更新日期：2018-08-13 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