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Ferric hydrogen sulfate supported on silica-coated nickel ferrite nanoparticles as new and green magnetically separable catalyst for 1,8-dioxodecahydroacridine synthesis
Magnetically separable catalyst Ferric hydrogen sulfate Nickel ferrite nanoparticles 1,8-Dioxodecahydroacridine
2014/3/8
A new magnetically separable catalyst consisting of ferric hydrogen sulfate supported on silica-coated nickel ferrite nanoparticles was prepared. The synthesized catalyst was characterized using vibra...
Fe3O4 Nanoparticles as an Efficient and Magnetically Recoverable Catalyst for the Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones under Solvent-Free Conditions（图）
dihydropyrimidinones dihydropyrimidinthiones ferroferric oxide nanoparticle one-pot condensation solvent-free
2013/10/12
The catalytic activity of Fe3O4 nanoparticles (NPs) in a one-pot three component condensation reaction consisting of an aromatic aldehyde, urea or thiourea, and a β-dicarbonyl under solvent-free condi...
CoFe2O4 nanoparticles：An efficient heterogeneous magnetically separable catalyst for “click” synthesis of arylidene barbituric acid derivatives at room temperature（图）
Magnetically separable catalyst Arylidene barbituric acid derivative Aqueous ethanol Superparamagnetic CoFe2O4 nanoparticle Heterogeneous catalyst
2013/9/25
A coprecipitation method was used to synthesize superparamagnetic CoFe2O4 nanoparticles without using any capping agents/surfactants. The prepared nanoparticles were characterized using Fourier transf...
Magnetically recoverable, nanoscale-supported heteropoly acid catalyst for green synthesis of biologically active compounds in water（图）
Core-shell particle Magnetically recoverable catalyst Heteropoly acid Xanthene Hydroacridine
2013/9/25
12-Tungstophosphoric acid supported on aerosil silica and silica-coated γ-Fe2O3 nanoparticles was prepared and characterized using transmission electron microscopy, scanning electron microscopy, and i...
Nano-Fe3O4 Encapsulated-Silica Particles Bearing Sulfonic Acid Groups as a Magnetically Separable Catalyst for Highly Efficient Knoevenagel Condensation and Michael Addition Reactions（图）
magnetic nanoparticle silica Knoevenagel condensation Michael addition cyclic diketone
2013/10/4
Sulfonic acid-functionalized silica-coated nano-Fe3O4 particles (Fe3O4@SiO2-SO3H) have been prepared as a novel heterogeneous acid using a facile process. The material was subsequently identified as a...
A Magnetically Levitated Precise Pointing Mechanism for Application to Optical Communication Terminals
Optical Communications Magnetic Levitation Control Pointing Active Anti-Vibration
2013/1/30
Increasing data bandwidth requirements from spacecraft systems is beginning to pressure existing microwave communications systems. Free-Space optical communications allows for larger bandwidths for lo...
Novel Approach to Benzimidazoles Using Fe3O4 Nanoparticles as a Magnetically Recoverable Catalyst（图）
ferroferric oxide nanoparticle 1,2-phenylenediamine orthoester benzimidazole
2013/10/9
Magnetically recoverable Fe3O4 nanoparticles have been synthesized as a catalyst for the cyclocondensation of 1,2- phenylenediamines with orthoesters under solvent-free conditions. Catalyst loadings c...
Magnetically-triggered Nanocomposite Membranes: a Versatile Platform for Triggered Drug Release
Ferrite, nanogel, nanoparticles, triggered drug release, on-demand,superparamagnetism
2011/9/28
Drug delivery devices based on nanocomposite membranes containing thermoresponsive nanogels and superparamagnetic nanoparticles have been demonstrated to provide reversible, on-off drug release upon a...
SCALING OF PERMEABILITIES AND FRICTION FACTORS OF HOMOGENEOUSLY EXPANDING GAS-SOLIDS FLUIDIZED BEDS (GELDART'S A POWDERS AND MAGNETICALLY STABILIZED BEDS)
fluidization magnetic field stabilized bed friction factor
2009/10/13
The concept of a variable friction factor of fluid-driven deformable powder beds undergoing fluidization is discussed. The special problem discussed addresses the friction factor and bed permeability ...
FRICTION FACTORS AND INTERNAL FLOW LENGTH SCALES OF GAS-SOLID MAGNETICALLY STABILIZED BEDS IN AXIAL FIELDS - SCALING AND APPLICATIONS TO BED-TO-SURFACE HEAT TRANSFER
fluidization magnetic field stabilized bed friction factor
2009/10/13
Friction factors and internal flow length scales of gas-solid magnetically stabilized beds are discussed. Pressure drop and expansion data of beds stabilized by axial magnetic fields are used. The con...
Production of Lipid Microparticles Magnetically Active by a Supercritical Fluid-Based Process
Supercritical Fluid-Based Process Lipid Microparticles
2009/9/2
An original technique, based on supercritical CO2 and on the particles from gas saturated solution (PGSS) micronization method, was developed to obtain magnetically active lipid microparticles. Magnet...
Magnetically Separable Fe3O4/TiO2 Hollow Spheres: Fabrication and Photocatalytic Activity
Magnetic separation hollow spherical titanium dioxide mixed catalyst benzyl propionate particle size transmission electron microscopy
2015/3/30
Well-defined magnetic separable, hollow spherical Fe3O4/TiO2 hybrid photocatalysts were successfully prepared through a poly(styrene-acrylic acid) (PSA) template method. This bifunctional product was ...
Anisotropic elasticity of magnetically ordered agarose gel
anisotropic elasticity magnetic field effect agarose gel magnetic ordering storage modulus ultrasonic propagation
2010/10/12
The physical properties of agarose gel prepared under strong magnetic fields were investigated. The storage modulus was measured by the reflection method with an ultrasonic
pulse. The measurement res...