Enzyme responsive hyaluronic acid nanocapsules containing polyhexanide and their exposure to bacteria to prevent infection.

abstract：:Super-resolution fluorescence microscopy, specifically stochastic reconstruction microscopy (STORM), and atomic force microscopy (AFM) were used to image the self-assembly processes of the peptide surfactant I3K. The peptide surfactants self-assembled into giant helical fibrils with diameters between 5 and 10 nm with ...

journal_title：Biomacromolecules

authors： Cox H,Georgiades P,Xu H,Waigh TA,Lu JR

更新日期：2017-11-13 00:00:00

abstract：:We describe investigations of insulin release from thermoresponsive microgels using variable temperature (1)H NMR. Microgel particles composed of poly(N-isopropylacrylamide) were loaded with the peptide via a swelling technique, and this method was compared to simple equilibrium partitioning. Variable temperature (1)H...

journal_title：Biomacromolecules

authors： Nolan CM,Gelbaum LT,Lyon LA

更新日期：2006-10-01 00:00:00

abstract：:Nanoconfined self-assemblies within aerosol nanoparticles and control of the secondary structures are shown here upon ionically complexing poly(L-lysine) (PLL) with dodecylbenzenesulfonic acid (DBSA) surfactant and using solvents chloroform, 1-propanol, or dimethylformamide. Different solvent volatilities and drying t...

journal_title：Biomacromolecules

authors： Rahikkala A,Junnila S,Vartiainen V,Ruokolainen J,Ikkala O,Kauppinen E,Raula J

更新日期：2014-07-14 00:00:00

abstract：:The nonapeptide hemopressin, which is derived from the α chain of hemoglobin, has been reported to exhibit inverse agonist activity against the CB1 receptor. Administration of this peptide in animal models led to decreased food intake and elicited hypotensive and antinociceptive effects. On the basis of hemopressin's ...

journal_title：Biomacromolecules

authors： Bomar MG,Samuelsson SJ,Kibler P,Kodukula K,Galande AK

更新日期：2012-03-12 00:00:00

abstract：:AQ-Pal14 is a 30-residue polypeptide that was designed to form an α-helical coiled coil that contains a metal-binding 4-pyridylalanine residue on its solvent-exposed surface. However, characterization of this peptide shows that it exists as a three-stranded coiled coil, not a two-stranded one as predicted from its des...

journal_title：Biomacromolecules

authors： Zaytsev DV,Xie F,Mukherjee M,Bludin A,Demeler B,Breece RM,Tierney DL,Ogawa MY

更新日期：2010-10-11 00:00:00

abstract：:There is a lack of hydrogel materials whose properties can be tuned at the point of use. Biological hydrogels, such as collagen, gelate at physiological temperatures; however, they are not always ideal as scaffolds because of their low mechanical strength. Their mechanics can be improved through cross-linking and chem...

journal_title：Biomacromolecules

authors： Barnes AL,Genever PG,Rimmer S,Coles MC

更新日期：2016-03-14 00:00:00

abstract：:The electrospinning of polymer melts can offer an advantage over solution electrospinning, in the development of layered tissue constructs for tissue engineering. Melt electrospinning does not require a solvent, of which many are cytotoxic in nature, and the use of nonwater soluble polymers allows the collection of fi...

journal_title：Biomacromolecules

authors： Dalton PD,Klinkhammer K,Salber J,Klee D,Möller M

更新日期：2006-03-01 00:00:00

abstract：:It is recognized that topographical features such as ridges and grooves can dramatically influence cell phenotype, motivating the development of substrates with precisely biomimetic topography for study of the influence on cultured cells. Intestinal basement membrane topography has been precisely replicated using plas...

journal_title：Biomacromolecules

authors： Pfluger CA,Burkey DD,Wang L,Sun B,Ziemer KS,Carrier RL

更新日期：2010-06-14 00:00:00

abstract：:A temperature-responsive hydrogel composed of aqueous methylcellulose (MC) blended with distinct concentrations of PBS was prepared and characterized. The developed MC hydrogel underwent a sol-gel reversible transition upon heating or cooling at approximately 32 degrees C. This temperature-responsive hydrogel was empl...

journal_title：Biomacromolecules

authors： Yang MJ,Chen CH,Lin PJ,Huang CH,Chen W,Sung HW

更新日期：2007-09-01 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：:Synthetic spider silk holds great potential for use in various applications spanning medical uses to ultra lightweight armor; however, producing synthetic fibers with mechanical properties comparable to natural spider silk has eluded the scientific community. Natural dragline spider silks are commonly made from protei...

journal_title：Biomacromolecules

authors： Jenkins JE,Creager MS,Lewis RV,Holland GP,Yarger JL

更新日期：2010-01-11 00:00:00

abstract：:A one-pot synthetic methodology for fabricating stimuli-responsive hemicellulose-based hydrogels was developed that consists of the in situ formation of magnetic iron oxide (Fe3O4) nanoparticles during the covalent cross-linking of O-acetyl-galactoglucomannan (AcGGM). The Fe3O4 nanoparticle content controlled the ther...

journal_title：Biomacromolecules

authors： Zhao W,Odelius K,Edlund U,Zhao C,Albertsson AC

更新日期：2015-08-10 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：: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：:Recombinant Escherichia coli strains harboring a plasmid containing a novel artificial polyhydroxyalkanoate (PHA) operon consisting of the Aeromonas PHA biosynthesis related genes and Ralstonia eutropha reductase gene were developed for the production of poly(3-hydroxybutyrate-co-hydroxyhexanoate) [P(3HB-co-3HHx)] fro...

journal_title：Biomacromolecules

authors： Park SJ,Ahn WS,Green PR,Lee SY

更新日期：2001-04-01 00:00:00

abstract：:The development and use of synthetic, cross-linked, macromolecular substrates with tunable elasticity has been instrumental in revealing the mechanisms by which cells sense and respond to their mechanical microenvironment. We here describe a hydrogel based on radical-free, cross-linked poly(ethylene glycol) to study t...

journal_title：Biomacromolecules

authors： Missirlis D,Spatz JP

更新日期：2014-01-13 00:00:00

abstract：:G-quadruplex is a type of DNA secondary structure formed by specific guanine-rich sequences. Because of their enrichment in functional genomic regions and their biological significance, G-quadruplexes are recognized as significant drug targets for cancer and other diseases. Here, we tested the precipitation efficiency...

journal_title：Biomacromolecules

authors： Lin J,Yan YY,Ou TM,Tan JH,Huang SL,Li D,Huang ZS,Gu LQ

更新日期：2010-12-13 00:00:00

abstract：:Spherulites of poly(L-lactic acid) (PLLA) and of its blends with atactic poly(3-hydroxybutyrate) (a-PHB, from 10 to 75 wt %) were investigated by microfocus X-ray diffraction using synchrotron radiation. Radial scans in 5 microm steps with 3 microm beam diameter were performed. In PLLA, tens of identical diffraction i...

journal_title：Biomacromolecules

authors： Gazzano M,Focarete ML,Riekel C,Scandola M

更新日期：2004-03-01 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：:The shear rheology of a microcrystalline cellulose dissolved in a 9% NaOH aqueous solution was studied in the steady and oscillatory modes. The cellulose-(9% NaOH-H(2)O) mixtures show not to be true solutions. In the dilute regime, with cellulose concentration below 1%, the rheological behavior is typical of the one o...

journal_title：Biomacromolecules

authors： Roy C,Budtova T,Navard P

更新日期：2003-03-01 00:00:00

abstract：:Strong signaling cascades derived from upregulation and overexpression of growth factors such as the EGF-family (epidermal growth factors) have been crucially related to cancer pathogenesis. Gene silencing techniques to modulate the expression of oncogenes and tumor suppresor genes are a strategy that shows great prom...

journal_title：Biomacromolecules

authors： Peng YY,Diaz-Dussan D,Kumar P,Narain R

更新日期：2018-10-08 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：:Despite recent advances in tumor treatment through cancer immunotherapy, the efficacy of this approach remains to be improved. Looking forward to high rates of objective clinical response, cancer immunotherapy combined with chemotherapy has gained increasing attention recently. Here, we constructed liposomes with matr...

journal_title：Biomacromolecules

authors： Liu Y,Chen XG,Yang PP,Qiao ZY,Wang H

更新日期：2019-02-11 00:00:00

abstract：:In this work, cell-responsive polysaccharide hydrogels were prepared by a simple procedure based on the sequential bioconjugation and cross-linking of the polysaccharide backbone with bioactive peptides and poly(ethylene glycol)-bis(thiol) (PEG-(SH)2), respectively. Using thiol-ene reactions, we successfully functiona...

journal_title：Biomacromolecules

authors： Jing J,Fournier A,Szarpak-Jankowska A,Block MR,Auzély-Velty R

更新日期：2015-03-09 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：:Glycosaminoglycans (GAGs) and glycoproteins are vital components of the extracellular matrix, directing cell proliferation, differentiation, and migration and tissue homeostasis. Here, we demonstrate supramolecular GAG-like glycopeptide nanofibers mimicking bioactive functions of natural hyaluronic acid molecules. Sel...

journal_title：Biomacromolecules

authors： Ustun Yaylaci S,Sardan Ekiz M,Arslan E,Can N,Kilic E,Ozkan H,Orujalipoor I,Ide S,Tekinay AB,Guler MO

更新日期：2016-02-08 00:00:00

abstract：:The detection of phase separation and identification of miscibility in biopolymer blends is an important aspect for the improvement of their physical properties. In this article, the phase separation in blends of poly(3-hydroxybutyrate) (PHB) with poly(L-lactic acid) (PLA) and poly(epsilon-caprolactone) (PCL), respect...

journal_title：Biomacromolecules

authors： Vogel C,Wessel E,Siesler HW

更新日期：2008-02-01 00:00:00

abstract：:The intermolecular distributions of amide groups within two commercial LMA pectins was studied after removal of the methyl esters followed by fractionation of the different populations by anion exchange chromatography. The populations obtained had almost equal degrees of amidation while the values of the degree of blo...

journal_title：Biomacromolecules

authors： Guillotin SE,Mey N,Ananta E,Boulenguer P,Schols HA,Voragen AG

更新日期：2006-06-01 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：:The coefficient of thermal expansion (CTE) of cellulose nanocrystal (CNC) films was characterized using novel experimental techniques complemented by molecular simulations. The characteristic birefringence exhibited by CNC films was utilized to calculate the in-plane CTE of self-organized and shear-oriented self-stand...

journal_title：Biomacromolecules

authors： Diaz JA,Wu X,Martini A,Youngblood JP,Moon RJ

更新日期：2013-08-12 00:00:00