Polyester derived from recycled poly(ethylene terephthalate) waste for regenerative medicine
Fabrication of 3D scaffold from PET waste for tissue engineering.
Materials Literature
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Multifunctional materials for OFETs, LEFETs and NIR PLEDs
Phthalimide–thiophene copolymers are multi-functional materials that possess reasonably high PLQEs, ambipolar mobilities, and perform extremely well as a host material for single layer NIR emitting PLEDs.
Novel methotrexate prodrug-targeted drug delivery system based on PEG–lipid–PLA hybrid nanoparticles for enhanced anticancer efficacy and reduced toxicity of mitomycin C
In the present study we have investigated novel MTX prodrug-targeted and MMC-loaded PLA-lipid-PEG hybrid NPs. These employ a double emulsion solvent evaporation method for the introduction of an anticancer drugs moiety of the MMC-soybean phosphatidylcholine complex or DSPE-PEG-MTX, in which the MTX prodrug can be expl…
Interface deformations affect the orientation transition of magnetic ellipsoidal particles adsorbed at fluid–fluid interfaces
Manufacturing new soft materials with specific optical, mechanical and magnetic properties is a significant challenge. Assembling and manipulating colloidal particles at fluid interfaces is a promising way to make such materials. We use lattice-Boltzmann simulations to investigate the response of magnetic ellipsoidal…
Meander and Pearling of Single-Curvature Bilayer Interfaces in the Functionalized Cahn--Hilliard Equation
The functionalized Cahn--Hilliard (FCH) free energy models interfacial energy in amphiphilic phase separated mixtures. Its minimizers encompass a rich class of morphologies with detailed inner structure, including bilayers, pore networks, pearled pores, and micelles. We address the existence and linear stability of $\…
PolyTCAQ in organic batteries: enhanced capacity at constant cell potential using two-electron-redox-reactions
The application of polymers bearing tetracyano-9,10-anthraquinonedimethane (TCAQ) units as electrode materials in organic batteries enables one narrow charge discharge plateau due to the one two-electron-redox-reaction of the TCAQ core.
Crystallization of poly(butylene-2,6-naphthalate-co-butylene adipate) copolymers: regulating crystal modification of the polymorphic parent homopolymers and biodegradation
Random PBNAd copolymers were synthesized. They showed isodimorphic cocrystallization. β PBN crystals were formed in copolymers with high BN content.
Reduced efficiency roll-off in light-emitting diodes enabled by quantum dot–conducting polymer nanohybrids
Hybridization of colloidal quantum-dots and conducting polymers improves the efficiency roll-off of quantum-dot light-emitting diodes.
Assessment of Cellular Responses after Short- and Long-Term Exposure to Silver Nanoparticles in Human Neuroblastoma (SH-SY5Y) and Astrocytoma (D384) Cells
Silver nanoparticle (AgNP, 20 nm) neurotoxicity was evaluated by an integrated in vitro testing protocol employing human cerebral (SH-SY5Y and D384) cell lines. Cellular response after short-term (4-48 h, 1-100 μ g/ml) and prolonged exposure (up to 10 days, 0.5-50 μ g/ml) to AgNP was assessed by MTT, calcein-AM/PI, cl…
Construction of 3D V2O5/hydrogenated-WO3 nanotrees on tungsten foil for high-performance pseudocapacitors
3D semiconductor nanostructures have proved to be a rich system for the exploring of high-performance pseudocapacitors. Herein, a novel 3D WO3 nanotree on W foil is developed via a facile and green method. Both capacitance and conductivity of the WO3 nanotree electrode are greatly improved after hydrogenation treatmen…
The general synthesis of Ag nanoparticles anchored on silver vanadium oxides: towards high performance cathodes for lithium-ion batteries
A general approach has been developed to synthesize a series of silver vanadium oxides (SVOs) anchored with Ag nanoparticles (including AgVO 3 , Ag 2 V 4 O 11 , Ag 0.33 V 2 O 5 and Ag 1.2 V 3 O 8 ), which exhibit highly improved electrochemical performances.
A highly sensitive nanoscale pH-sensor using Au nanoparticles linked by a multifunctional Raman-active reporter molecule
Chemical sensing on the nanoscale has been breaking new ground since the discovery of surface enhanced Raman scattering (SERS). For nanoparticles, controlled particle aggregation is necessary to achieve the largest SERS enhancements. Therefore, aggregating agents such as salts or linker molecules are used in conjuncti…
Experimental and theoretical studies on the mechanism for chemical oxidation of multiwalled carbon nanotubes
In this study, the oxidation of multiwalled carbon nanotubes (MWCNTs) sonicated and/or refluxed in acids (H 2 SO 4 /HNO 3 ) was investigated using a combination of high-resolution transmission electron microscopy, Raman spectroscopy, Fourier transform infrared spectroscopy, and ab initio computational methods.
Characterization and Comparison of Rheological Properties of Agro Fiber Filled High-Density Polyethylene Bio-Composites
The rheological behavior of composites made with high-density polyethylene (HDPE) and different agro fiber by-products such as corncob (CCF), Rice hull (RHF), Flax shives (FSF) and Walnut shell (WSF) flour of 60 - 100 mesh were studied. The experimental results were obtained from samples containing 65 vol.% agro fiber…
Development of Dy-Free Hot-Deformed Nd-Fe-B Magnets by Optimizing Chemical Composition and Microstructure
The effects of chemical composition and deformation temperature on the magnetic properties of hot-deformed Nd-Fe-B magnets were studied systematically, with the following results: 1) all magnet samples consisted of single- and multi-domain grains, 2) single-domain grains increased with decreasing crystal grain sizes,…
Metal-free controlled ring-opening polymerization of ε-caprolactone in bulk using tris(pentafluorophenyl)borane as a catalyst
Controlled/living ring-opening polymerization of ε-caprolactone utilizing tris(pentafluorophenyl)borane as the metal-free catalyst was demonstrated, leading to block, end-functionalized and macrocyclic poly(ε-caprolactone) containing macromolecules.
Resumption of Alteration at High Temperature and pH: Rates Measurements and Comparison with Initial Rates
Resumption of alteration – corresponding to a sharp increase of glass aqueous corrosion rate – is observed under specific experimental conditions of high pH and temperature. This phenomenon may occur with long duration time, making very difficult to foresee its appearance time and rate. In this study, leach tests perf…
A lysosome-specific two-photon phosphorescent binuclear cyclometalated platinum(ii) probe for in vivo imaging of live neurons
Real-time tracking of fast axonal transport of acidic vesicles in live adult mouse dorsal root ganglion (DRG) and cortical neurons in brain slices was visualized by the use of binuclear cycloplatinated complexes, {[Pt(L1)]2(μ-dppm)}(2+) (1) and {[Pt(L2)]2(μ-dppm)}(2+) (2), as lysosome-specific two-photon imaging probe…
Microscopic mechanisms of vertical graphene and carbon nanotube cap nucleation from hydrocarbon growth precursors
Controlling and steering the growth of single walled carbon nanotubes is often believed to require controlling of the nucleation stage. Yet, little is known about the microscopic mechanisms governing the nucleation from hydrocarbon molecules. Specifically, we address here the dehydrogenation of hydrocarbon molecules a…
Electrochromic Properties of Sol-Gel Synthesized Macroporous Tungsten Oxide Films Doped with Gold Nanoparticles
Macroporous tungsten oxide thin films were prepared by using a polystyrene microsphere template and the peroxitungstic acid precursor. Gold nanoparticles were introduced into the tungsten oxide film by two different methods, either in the polystyrene template, through a self-assembly process, or they were cast on the…