Growth factor delivery approaches in hydrogels.

abstract：:Mutually complementary, self-repulsive oligopeptide pairs were designed to coassemble into viscoelastic hydrogels. Peptide engineering was combined with biophysical techniques to investigate the effects of temperature on the structural and mechanical properties of the resulting hydrogels. Biophysical characterizations...

journal_title：Biomacromolecules

authors： Ramachandran S,Taraban MB,Trewhella J,Gryczynski I,Gryczynski Z,Yu YB

更新日期：2010-06-14 00:00:00

abstract：:We have investigated the self-assembly of fluorenylmethoxycarbonyl-conjugated dialanine (Fmoc-AA) molecules using combined computational and experimental approaches. Fmoc-AA gels were characterized using transmission electron microscopy (TEM), circular dichroism (CD), Fourier transform infrared (FTIR), and wide-angle ...

journal_title：Biomacromolecules

authors： Mu X,Eckes KM,Nguyen MM,Suggs LJ,Ren P

更新日期：2012-11-12 00:00:00

abstract：:The synthesis, characterization, and degradation kinetics of three alpha-cyclodextrin (alpha-CD)-poly(ethylene glycol) (PEG) polyrotaxanes with endcaps that were installed using Cu(I)-catalyzed Huisgen cyclization is reported. PEG1500, azidated with azidoacetic acid, was threaded with alpha-CD to form a pseudopolyrota...

journal_title：Biomacromolecules

authors： Loethen S,Ooya T,Choi HS,Yui N,Thompson DH

更新日期：2006-09-01 00:00:00

abstract：:Tiopronin (N-(2-mercaptopropionyl)glycine)-protected gold nanoparticles (TPAu) were cross-linked to collagen via EDC (1-ethyl-3-(3-dimethyl aminopropyl) carbodiimide) coupling. On average, each TPAu forms eight amide bonds with collagen lysine moieties. The resulting gels were studied with environmental SEM, TEM, micr...

journal_title：Biomacromolecules

authors： Castaneda L,Valle J,Yang N,Pluskat S,Slowinska K

更新日期：2008-12-01 00:00:00

abstract：:Hydrogels have been widely explored for biomedical applications, with injectable hydrogels being of particular interest for their ability to precisely deliver drugs and cells to targets. Although these hydrogels have demonstrated satisfactory properties in many cases, challenges still remain for commercialization. In ...

journal_title：Biomacromolecules

authors： Zhang J,Muirhead B,Dodd M,Liu L,Xu F,Mangiacotte N,Hoare T,Sheardown H

更新日期：2016-11-14 00:00:00

abstract：:Imbalanced homeostasis and oligomerization of the amyloid-β (Aβ) peptide in the brain are hallmarks of Alzheimer's disease (AD). Microglia and macrophages play a critical role in the etiology of AD either by clearing Aβ from the brain or inducing inflammation. Recent evidence suggests that clearance of Aβ by microglia...

journal_title：Biomacromolecules

authors： Richman M,Perelman A,Gertler A,Rahimipour S

更新日期：2013-01-14 00:00:00

abstract：:PEO-PPO-PEO triblock copolymers have opposing effects on lipid membrane integrity: they can behave either as membrane sealants or as membrane permeabilizers. To gain insights into their biomembrane activities, the fundamental interactions between a series of PEO-based polymers and phospholipid vesicles were investigat...

journal_title：Biomacromolecules

authors： Wang JY,Marks J,Lee KY

更新日期：2012-09-10 00:00:00

abstract：:Partially benzylamidated, amphipathic poly(gamma-glutamic acid) (BzPGA) was synthesized from poly(gamma-glutamic acid) (PGA) and benzylamine by direct amidation in dimethyl sulfoxide (DMSO). Benzylamine and PGA were heated in DMSO for 1 to 26 h at temperatures between 110 and 130 degrees C, producing derivatives of va...

journal_title：Biomacromolecules

authors： Novak L,Banyai I,Fleischer-Radu JE,Borbély J

更新日期：2007-05-01 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：: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：:We examined the antibacterial and hemolytic activities in a series of amphiphilic block and random copolymers of poly(vinyl ether) derivatives prepared by base-assisting living cationic polymerization. Block and random amphiphilic copolymers with similar monomer compositions showed the same level of activity against ...

journal_title：Biomacromolecules

authors： Oda Y,Kanaoka S,Sato T,Aoshima S,Kuroda K

更新日期：2011-10-10 00:00:00

abstract：:The nature of the hydration of proteins and the subsequent implications for functionality is a matter of importance in both pharmaceutical and food applications. Most published studies rely on the use of one technique and attempt to characterize the system. Few studies have used combinations of techniques. In this pap...

journal_title：Biomacromolecules

authors： Almutawah A,Barker SA,Belton PS

更新日期：2007-05-01 00:00:00

abstract：:Solid-state NMR is especially useful when the structures of peptides and proteins should be analyzed by taking into account the structural distribution, that is, the distribution of the torsion angle of the individual residue. In this study, two-dimensional spin-diffusion solid-state NMR spectra of 13C-double-labeled ...

journal_title：Biomacromolecules

authors： Ohgo K,Kawase T,Ashida J,Asakura T

更新日期：2006-04-01 00:00:00

abstract：:We report a simple and novel top-down method based on a drop-casting process for the controlled synthesis of all-bone-minerals biomimetic multicomponent bionanocomposites. Integration of micro- and nanoscale binary features into nanofibrous biocompatible polymer scaffold structures is successfully demonstrated. Compos...

journal_title：Biomacromolecules

authors： Biswas A,Bayer IS,Zhao H,Wang T,Watanabe F,Biris AS

更新日期：2010-10-11 00:00:00

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：:The need for thermosets from renewable resources is continuously increasing to find eco-friendly alternatives to petroleum-derived materials. Products obtained from biomass have shown to play an important role in this challenge. Here, we present the structural characterization of new biobased thermosets made of humins...

journal_title：Biomacromolecules

authors： Cantarutti C,Dinu R,Mija A

更新日期：2020-02-10 00:00:00

abstract：:Horseradish peroxidase-catalyzed polymerization of cardanol in aqueous organic solvent was investigated in the presence of a redox mediator. Cardanol is a phenol derivative from a renewable resource mainly having a C15 unsaturated hydrocarbon chain with mostly 1-3 double bonds at a meta position. Unlike soybean peroxi...

journal_title：Biomacromolecules

authors： Won K,Kim YH,An ES,Lee YS,Song BK

更新日期：2004-01-01 00:00:00

abstract：:Molecular orientation distributions in the crystalline and amorphous regions of a biaxially oriented poly(L-lactic acid) film were analyzed fully by polarized Raman spectroscopy. Raman bands at 926 and 875 cm(-1) were chosen for the determination of the most probable molecular orientation distribution functions for th...

journal_title：Biomacromolecules

authors： Tanaka M,Young RJ

更新日期：2006-09-01 00:00:00

abstract：:Recombinant spider silk proteins mimicking the properties of dragline silk proteins represent a class of materials that hold great potential for future high-performance applications. Here we explore the self-assembly behavior of a recombinantly produced spider silk protein based on the dragline silk of the Araneus di...

journal_title：Biomacromolecules

authors： Young SL,Gupta M,Hanske C,Fery A,Scheibel T,Tsukruk VV

更新日期：2012-10-08 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：:A dual-sensitive polymeric drug conjugate (HA-SS-MP) was synthesized by conjugating hydrophobic 6-mercaptopurine (MP) to thiolated hyaluronic acid (HA) as the carrier and ligand to deliver doxorubicin (Dox) to parental colon cancer and colon cancer stem cells. Because of the amphiphilic nature of HA-SS-MP, it was self...

journal_title：Biomacromolecules

authors： Debele TA,Yu LY,Yang CS,Shen YA,Lo CL

更新日期：2018-09-10 00:00:00

abstract：:Adherence and survival of pathogenic bacteria on surfaces leading to concomitant transmission to new hosts significantly contributes to the proliferation of pathogens, which in turn considerably increases the threat to human health, particularly by antibiotic-resistant bacteria. Consequently, more research into effect...

journal_title：Biomacromolecules

authors： Feese E,Sadeghifar H,Gracz HS,Argyropoulos DS,Ghiladi RA

更新日期：2011-10-10 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：: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：: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：:A strategy is presented that exploits the ability of synthetic polymers of different nature to disturb the strong self-assembly capabilities of amyloid based β-sheet forming peptides. Following a convergent approach, the peptides of interest were synthesized via solid-phase peptide synthesis (SPPS) and the polymers vi...

journal_title：Biomacromolecules

authors： Dehn S,Castelletto V,Hamley IW,Perrier S

更新日期：2012-09-10 00:00:00

abstract：:RNA-based delivery system for cancer therapy remains a challenge. In this study, a stearyl-peptide (SHR) was synthesized using arginine, histidine, cysteine, and stearyl moieties. Further, the stearyl-peptides were cross-linked by disulfide bonds to obtain cross-linked polypeptides (SHRss) with different molecular wei...

journal_title：Biomacromolecules

authors： Tai Z,Wang X,Tian J,Gao Y,Zhang L,Yao C,Wu X,Zhang W,Zhu Q,Gao S

更新日期：2015-04-13 00:00:00

abstract：:The structure of the Ca--alginate junction zones was investigated with X-ray scattering on gels prepared with different methods. Fiber diffraction reveals the popular egg-box model may not be the only possible structure for the junction zones. The (001) reflection, which should be extinguished due to 2/1 helical confo...

journal_title：Biomacromolecules

authors： Li L,Fang Y,Vreeker R,Appelqvist I,Mendes E

更新日期：2007-02-01 00:00:00

abstract：:Water soluble polymer anticancer conjugates can improve the pharmacokinetics of covalently bound drugs by limiting cellular uptake to the endocytic route, thus prolonging plasma circulation time and consequently facilitating tumor targeting by the enhanced permeability and retention (EPR) effect. Many of the first gen...

journal_title：Biomacromolecules

authors： Andersson L,Davies J,Duncan R,Ferruti P,Ford J,Kneller S,Mendichi R,Pasut G,Schiavon O,Summerford C,Tirk A,Veronese FM,Vincenzi V,Wu G

更新日期：2005-03-01 00:00:00