Coating Novozyme435 with an ionic liquid: more than just a coating for the efficient ring-opening polymerization of δ-valerolactone
Smart coating of an ionic liquid on Novozyme435: enhancement of catalytic activity and reusability.
Materials Literature
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Ligand–metal-drug coordination based micelles for efficient intracellular doxorubicin delivery
A ligand–metal-drug coordination architecture is exploited to construct polymeric micelles with the high efficient loading and pH-triggered release of anticancer drug.
Sonication-induced instant fibrillation and fluorescent labeling of tripeptide fibers
A sonication-induced instant fibril formation technique has been used for the co-assembly and fluorescent labeling of peptide nanofibers with organic dyes.
Novel antibacterial electrospun materials based on polyelectrolyte complexes of a quaternized chitosan derivative
Novel antibacterial materials based on polyelectrolyte complexes of quaternized chitosan (TMCh) and poly(2-acrylamido-2-methylpropanesulfonic acid) or poly(acrylic acid) (PAA) were prepared by electrospinning. AgNPs were loaded in TMCh/PAA fibers.
An imine-based approach to prepare amine-functionalized Janus gold nanoparticles
An imine-based approach was developed to prepare Janus gold nanoparticles (Janus AuNPs) having amine functionality on one patch of the surface and a polyethylene glycol unit on the other. This unique technique features covalent bonding as the force to immobilize AuNPs on the template, enabling direct modification of A…
Chirality-dependent densities of carbon nanotubes by in situ 2D fluorescence-excitation and Raman characterisation in a density gradient after ultracentrifugation
Density gradient ultracentrifugation (DGU) becomes increasingly important for the sorting of nanomaterials according to the particles' density, hence structure and dimensions, which determine their unique properties, but the further development of this separation technique is hindered by the limited precision with whi…
Thermal conductivity of oxidized gamma-graphyne
Molecular dynamics simulations are employed to investigate the thermal conductivity of oxidized gamma-graphyne with the different oxygen coverage and at different tensile strain.
Development of Novel Polymeric Prodrugs Synthesized by Mechanochemical Solid-State Copolymerization of Hydroxyethylcellulose and Vinyl Monomers
Novel polymeric prodrugs were synthesized by mechanochemical solid-state copolymerization of hydroxyethylcellulose and the methacryloyloxy derivative of 5-fluorouracil (5-FU). Copolymerization was about 94% complete after 4 h, and the polymeric prodrug was quantitatively obtained after 14 h of reaction. The number ave…
Air pocket stability and the imbibition pathway in droplet wetting
The stability of air pockets formed in grooves on a surface is relevant to contact angle hysteresis of droplet wetting and it is investigated by imbibition experiments and surface evolver (SE) simulations. Liquid drops of different wettabilities are placed atop a conical hole on a polymethyl methacrylate (PMMA) substr…
Synthesis and electronic properties of π-extended flavins
Flavin derivatives with an extended π-conjugation were synthesized in moderate to good yields from aryl bromides via a Buchwald-Hartwig palladium catalyzed amination protocol, followed by condensation of the corresponding aromatic amines with violuric acid. The electronic properties of the new compounds were investiga…
Rationally engineered surface properties of carbon nanofibers for the enhanced supercapacitive performance of binary metal oxide nanosheets
Electrochemically active binary metal oxide nanosheets on the surface of electrically conductive and porous carbon nanofibers exhibited a high pseudo-capacitive performance.
Low-cost replication of plasmonic gold nanomushroom arrays for transmission-mode and multichannel biosensing
A low-cost, facile approach was developed for replication of plasmonic gold nanomushroom arrays, which performed in transmission mode and showed excellent refractive index sensitivity comparable to that of normal surface plasmon resonance sensors.
A series of polyoxometalate-based compounds including infinite Ag belts and circles constructed by two tolyl-1H-tetrazole isomers
Three novel Keggin-based complexes constructed by two new isomeric ligands 5- <italic>o</italic> -tolyl-1 <italic>H</italic> -tetrazole and 5- <italic>m</italic> -tolyl-1 <italic>H</italic> -tetrazole have been synthesized under hydrothermal conditions <italic>via</italic> changing the types of POM anions and organic…
Non-equilibrium Green function simulations of graphene, silicene, and germanene nanoribbon field-effect transistors
Ballistic performance of graphene, silicene, and germanene-nanoribbon field-effect transistors (FETs) with a gate-length of 10 nm has been numerically investigated. The graphene-nanoribbon FET is found to have the largest ON-current when one compare FETs with a nanoribbon channel having a nearly equal band-gap Eg ≈ 0.…
Predictive calculation of carbon dioxide solubility in polymers
Novel calculation model of CO <sub>2</sub> solubility in polymers using a hybrid intelligence algorithm.
Penta and hexanuclear nickel tiara-like clusters with two different thiolate bridges
The infrequent pentanuclear tiara and hexanuclear tiaras with two different types of mono and bidentate thiolates were obtained. These heretofore unknown additions to the cyclo-[Ni(μ-SR) <sub>2</sub> ] <sub>n</sub> tiara family are of particular interest, which are often constructed by just one kind of thiolate ligand.
Effect of microtubule polymerization on photoinduced hydrogen generation
Herein we report a novel reaction field for photoinduced H2 generation by using microtubules as a medium. By controlling the tubulin/microtubule hierarchical structure, synergistic effects by which the Ru(bpy)3(2+)-conjugated microtubule network causes suppression of energy loss by collision are clarified.
The Effect of Alumina and Magnesia Supported Germanium Nanoparticles on the Growth of Carbon Nanotubes in the Chemical Vapor Deposition Method
The effect of alumina and magnesia supported germanium (Ge) nanoparticles on the synthesis of carbon nanotubes (CNTs) using the chemical vapor deposition (CVD) method in atmospheric pressure was investigated. The TEM micrographs confirmed the formation of carbon nanotubes, and the field emission scanning electron micr…
Synthesis of flower-shaped ZrO 2 –C composites for adsorptive removal of trichlorophenol from aqueous solution
A novel kind of nanoflake zirconia–carbon (ZrO <sub>2</sub> –C) composite exhibited a much improved capacity to adsorb TCP.
Structural features and near infra-red (NIR) luminescence of isomeric Yb( iii ) bipyridyl-N,N′-dioxide coordination polymers
The synthesis and structural characterization of a series of lanthanide complexes formed from YbX3 salts (X = NO3(-) or CF3SO3(-)) and the isomeric 4,4'-bipyridine-N,N'-dioxide (4,4'-bpdo) or 3,3'-bipyridine-N,N'-dioxide (3,3'-bpdo) ligands has been undertaken by X-ray crystallography. Depending on the choice of anion…