Nanometer to millimeter scale peptide-porphyrin materials.

abstract：:Amyloid-like fibrils are prepared from protein in the lab by controlled heat treatments, yet these must be further assembled to match the desirable mechanical and structural properties of biological fibers. Here, β-lactoglobulin fibrils were incorporated into poly(ethylene oxide) fibers of 40-180 nm diameter by electr...

journal_title：Biomacromolecules

authors： Chen D,Narayanan N,Federici E,Yang Z,Zuo X,Gao J,Fang F,Deng M,Campanella OH,Jones OG

更新日期：2020-07-13 00:00:00

abstract：:In this work, biodegradable branched polycationic polymers were synthesized by Michael addition polymerization from different amine monomers and the triacrylate monomer trimethylolpropane triacrylate. The polymers varied in the number of amines that dissociate in different pH ranges, which are considered to be benefic...

journal_title：Biomacromolecules

authors： Chew SA,Hacker MC,Saraf A,Raphael RM,Kasper FK,Mikos AG

更新日期：2010-03-08 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：:Previously, we have shown that the amphiphilic decyl esters of both D- and L-tyrosine (DELT) self-assemble in aqueous solution above their critical micelle concentration values to form long rodlike structures that can be enzymatically polymerized. In the current study, we have examined the self-assembled structures of...

journal_title：Biomacromolecules

authors： Marx KA,Lee JS,Sung C

更新日期：2004-09-01 00:00:00

abstract：:The synthesis and polymerization of six AB(3) tapered self-assembling methacrylate monomers (5a, 5b, 5c,5d, 17a, and 17b) based on first generation alkyl substituted benzyl ether monodendrons (i.e., minidendrons) containing oligooxyethylene units at their focal point and the polymerizable group on their periphery are ...

journal_title：Biomacromolecules

authors： Percec V,Bera TK

更新日期：2002-01-01 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：:A novel linear multifunctional polyethylene glycol (PEG)-dexamethasone (Dex) conjugate (click PEG-Dex) was synthesized using facile Cu(I)-catalyzed Huisgen 1,3-dipolar cycloaddition (a click reaction). Dex was conjugated to the click PEG via an acid-labile hydrazone bond to allow the drug release in a pathophysiologic...

journal_title：Biomacromolecules

authors： Liu XM,Quan LD,Tian J,Laquer FC,Ciborowski P,Wang D

更新日期：2010-10-11 00:00:00

abstract：:Polymer conjugation increases an enzyme's circulation time and stability for use as a therapeutic agent, but this attachment indubitably affects its properties. Covalent attachment of multiple polyethylene glycol chains with sizes of either 2, 5, 10, or 20 kDa increases the molecular weight and hydrodynamic radius of ...

journal_title：Biomacromolecules

authors： Chiu K,Agoubi LL,Lee I,Limpar MT,Lowe JW Jr,Goh SL

更新日期：2010-12-13 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：:Nucleic acids have been engineered to participate in a wide variety of tasks. Among them, the enzyme-free amplification modes, enzyme-free DNA circuits (EFDCs), and hybridization chain reactions (HCRs) have been widely applied in a series of studies of bioanalysis. We demonstrated here an ultrasensitive hairpin probe-...

journal_title：Biomacromolecules

authors： Liao Y,Fu Y,Wu Y,Huang R,Zhou X,Xing D

更新日期：2015-11-09 00:00:00

abstract：:The photoluminescence features of Eu(3+)-, Tb(3+)-, Tb(3+)/Eu(3+)-alginate aerogel (hydrogel and alcogel) and Eu(3+)-alginate xerogel hybrids were investigated. The Eu(3+)-alginate aerogel and alcogel exhibit the highest (5)D0 quantum efficiencies (9.9 and 8.2%, respectively), while the hydrogel and xerogel have lower...

journal_title：Biomacromolecules

authors： Liu F,Carlos LD,Ferreira RA,Rocha J,Gaudino MC,Robitzer M,Quignard F

更新日期：2008-07-01 00:00:00

abstract：:An increase in hyaluronan (HA) synthesis, cellular uptake, and metabolism occurs during the remodeling of tissue microenvironments following injury and during disease processes such as cancer. We hypothesized that multimodality HA-based probes selectively target and detectably accumulate at sites of high HA metabolism...

journal_title：Biomacromolecules

authors： Veiseh M,Breadner D,Ma J,Akentieva N,Savani RC,Harrison R,Mikilus D,Collis L,Gustafson S,Lee TY,Koropatnick J,Luyt LG,Bissell MJ,Turley EA

更新日期：2012-01-09 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：:We demonstrate the fabrication of protein·gold nanoparticle (AuNP) nanocomposites in situ, leading to distinct assemblies dependent upon protein secondary structure. In the presence of pentameric coiled-coil proteins C and Q, which contain histidine tags and have helicities of 54 and 65%, respectively, templation of A...

journal_title：Biomacromolecules

authors： Hume J,Chen R,Jacquet R,Yang M,Montclare JK

更新日期：2015-06-08 00:00:00

abstract：:The formation of calcite prism architecture in the prismatic layer of the mollusk shell involves the participation of a number of different proteins. One protein family, Asprich, has been identified as a participant in amorphous calcium carbonate stabilization and calcite architecture in the prismatic layer of the mol...

journal_title：Biomacromolecules

authors： Ndao M,Keene E,Amos FF,Rewari G,Ponce CB,Estroff L,Evans JS

更新日期：2010-10-11 00:00:00

abstract：:Low tolerability and tumor selectivity restricts many potent anticancer drugs including mertansine from wide clinical use. Here, glutathione-activatable hyaluronic acid-SS-mertansine prodrug (HA-SS-DM1) was designed and developed to achieve enhanced tolerability and targeted therapy of CD44+ human breast tumor xenogra...

journal_title：Biomacromolecules

authors： Zhong P,Zhang J,Deng C,Cheng R,Meng F,Zhong Z

更新日期：2016-11-14 00:00:00

abstract：:Chitosan-dendrimer hybrids having various functional groups such as carboxyl, ester, and poly(ethylene glycol) groups were prepared successfully using dendrimer acetal by reductive N-alkylation. The synthetic procedure could be accomplished by one-step reaction without organic solvent. The degree of substitution of de...

journal_title：Biomacromolecules

authors： Sashiwa H,Yajima H,Aiba S

更新日期：2003-09-01 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：: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 synthesized extremely deformable red blood cell-like microgel particles and loaded them with bovine hemoglobin (Hb) to potentiate oxygen transport. With similar shape and size as red blood cells (RBCs), the particles were fabricated using the PRINT (particle replication in nonwetting templates) technique. Low cross...

journal_title：Biomacromolecules

authors： Chen K,Merkel TJ,Pandya A,Napier ME,Luft JC,Daniel W,Sheiko S,DeSimone JM

更新日期：2012-09-10 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：:In this study, we demonstrate for the first time the fabrication of carboxylated chitosan nanocrystals (ChsNC) with high degree of deacetylation (DDA) at >80% and narrow size distribution. We also studied its application as a sustainable support material for metal-based catalysts. Carboxylated chitin nanocrystals (ChN...

journal_title：Biomacromolecules

authors： Jin T,Kurdyla D,Hrapovic S,Leung ACW,Régnier S,Liu Y,Moores A,Lam E

更新日期：2020-06-08 00:00:00

abstract：:Immunological detection has been developed into a sensitive and versatile technique and is based on two requisite elements: targeting antibodies and an indicator, usually in the form of horseradish peroxidase or alkaline phosphatase. The specificity and turnover rate of these enzymes provide an efficient means of sign...

journal_title：Biomacromolecules

authors： Wurtzler EM,Wendell D

更新日期：2014-01-13 00:00:00

abstract：:Saccharide-functionalized shell cross-linked (SCK) polymer micelles designed as polyvalent nanoscaffolds for selective interactions with receptors on Gram negative bacteria were constructed from mixed micelles composed of poly(acrylic acid-b-methyl acrylate) and mannosylated poly(acrylic acid-b-methyl acrylate). The m...

journal_title：Biomacromolecules

authors： Joralemon MJ,Murthy KS,Remsen EE,Becker ML,Wooley KL

更新日期：2004-05-01 00:00:00

abstract：:An artificial spinning system using regenerated silk fibroin solutions is adopted to produce high-performance silk fibers. In previous studies, alcohol-based agents, such as methanol or ethanol, were used to coagulate silk dope solutions, producing silk fiber with poor mechanical properties compared with those of nati...

journal_title：Biomacromolecules

authors： Yazawa K,Malay AD,Ifuku N,Ishii T,Masunaga H,Hikima T,Numata K

更新日期：2018-06-11 00:00:00

abstract：:Oxidative coupling of phenol-containing precursor poly(amino acid)s, poly(alpha-glutamine), poly(alpha/beta-asparagine), and poly(gamma-glutamine) derivatives, has been examined to produce a new class of soluble poly(amino acid)s. Under appropriate reaction conditions, the Fe-salen and HRP catalysts efficiently induce...

journal_title：Biomacromolecules

authors： Fukuoka T,Uyama H,Kobayashi S

更新日期：2004-05-01 00:00:00

abstract：:Peak force infrared (PFIR) microscopy is a recently developed approach to acquire multiple chemical and physical material properties simultaneously and with nanometer resolution: topographical features, infrared (IR)-sensitive maps, adhesion, stiffness, and locally resolved IR spectra. This multifunctional mapping is ...

journal_title：Biomacromolecules

authors： Gusenbauer C,Jakob DS,Xu XG,Vezenov DV,Cabane É,Konnerth J

更新日期：2020-10-12 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：:The copolymer of methyl methacrylate (MMA) and 2-[2',3',5'-triiodobenzoyl]oxoethyl methacrylate (1), ratio 3:1 (mass:mass), was prepared via a free-radical polymerization in bulk. The copolymer (M(w) = 97.8 kD and M(n) = 41.5 kD) was dissolved in chloroform and subsequently transformed into beads with a diameter in th...

journal_title：Biomacromolecules

authors： Saralidze K,Aldenhoff YB,Knetsch ML,Koole LH

更新日期：2003-05-01 00:00:00

abstract：:Cellulose nanofibers were prepared by TEMPO-mediated oxidation of wood pulp and tunicate cellulose. The cellulose nanofiber suspension in water was spun into an acetone coagulation bath. The spinning rate was varied from 0.1 to 100 m/min to align the nanofibers to the spun fibers. The fibers spun from the wood nanofib...

journal_title：Biomacromolecules

authors： Iwamoto S,Isogai A,Iwata T

更新日期：2011-03-14 00:00:00