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Direct Measurements of Electric Fields in Weak OH••π Hydrogen Bonds
Direct Measurements Electric Fields Weak OH• • π Hydrogen Bonds
2016/5/25
Hydrogen bonds and aromatic interactions are of widespread importance in chemistry, biology, and materials science. Electrostatics play a fundamental role in these interactions, but the magnitude of t...
Electric Fields at the Active Site of an Enzyme:Direct Comparison of Experiment with Theory
Humans Nitriles Enzyme Inhibitors Spectrophotometry, Infrared Spectrum Analysis Circular Dichroism Electricity Protein Conformation Protein Structure,Tertiary Protein Folding
2016/5/24
The electric fields produced in folded proteins influence nearly every aspect of protein function. We present a vibrational spectroscopy technique that measures changes in electric field at a specific...
Electrocatalytic performance of Pt/Ru/Sn/W fullerene electrode for methanol oxidation in direct methanol fuel cell
Pt/Ru/Sn/W nanoparticles fullerene methanol oxidation modified electrode
2014/4/8
In this work, fullerene was modified by platinum, ruthenium, tin and tungsten nanoparticles. The material was characterized by XRD, ICP-OES and TEM micrograph. The average nanoparticle size on fullere...
Synthesis and properties of new optically active and organosoluble poly(ester-imide)s containing L-valine moieties in the main chain by direct polycondensation reaction
Poly(ester-imide)s direct polycondensation optically active polymers thermal properties
2011/4/6
New optically active poly(ester-imide)s (PEIs) containing bicyclo[2,2,2]oct-7-ene-2,3,5,6-tetracarboxylic diimide in the main chain were prepared by the reaction of N,N'-(bicyclo[2,2,2]oct-7- ene-2,3,...
Polarographic determination of anticancer drug vitamin K3 with direct and indirect methods/application to serum and K3 injection solution
Vitamin K3 sulfite direct indirect differential pulse polarography
2011/4/6
In this work, direct and indirect methods for determination of vitamin K3 were developed using differential pulse polarography. The reaction between sulfite and the quinone (Q) form of vitamin K3 was ...
The invasive ctenophore Mnemiopsis leidyiposes no direct threat to Baltic cod eggs and larvae
Mnemiopsis leidyiposes Baltic cod eggs
2014/4/4
Since its invasion in to the Baltic Sea in 2006, the ctenophore Mnemiopsis leidyi has been suspected of serious
predation on the early life stages of Baltic cod (Gadus morhua callarias L.) due to a t...
Direct reductive amination of carbonyl compounds using sodium borohydride-silica chloride
Reductive amination silica chloride sodium borohydride
2010/10/15
A simple and convenient procedure for reductive amination of aldehydes and ketones using sodium borohydride in the presence of silica chloride as an active, inexpensive, recoverable, and recyclable ca...
Rapid and Simultaneous Determination of Tetrafluoroborate, Thiocyanate and Hexafluorophosphate by High-Performance Liquid Chromatography Using a Monolithic Column and Direct Conductivity Detection
Rapid Simultaneous Determination Tetrafluoroborate
2010/9/15
A method was developed for fast and simultaneous determination of tetrafluoroborate (BF4−), thiocyanate (SCN−) and hexafluorophosphate (PF6−) by high-performance liquid chromatograph...
Synthesis and characterization of new optically active polyamides containing 2-(4-nitro-1,3-dioxoisoindolin-2-yl)succinic acid and aromatic diamines via direct polycondensation
Optically active polymers polyamides (PAs , thermal stability
2010/10/14
A new class of optically active polyamides (PAs) (6a-e) having 4-nitro-1,3-dioxoisoindolin-2-yl pendent groups were prepared by direct polycondensation reaction of 2-(4-nitro-1,3-dioxoisoindolin-2-yl)...
Genotyping of Polymorphisms in Alcohol and Aldehyde Dehydrogenase Genes by Direct Application of PCR-RFLP on Dried Blood without DNA Extraction
Genotyping Polymorphisms in Alcohol and Aldehyde Dehydrogenase Genes PCR-RFLP Dried Blood DNA Extraction
2010/9/20
We have developed a simple, labor-saving, inexpensive, and rapid single nucleotide polymorphism (SNP) genotyping method that works directly on whole human blood. This single-tube genotyping method wa...
Performance analysis for direct 2-propanol fuel-cell based on Pt containing anode electrocatalysts
Propanol Fuel cell Performance Electrocatalyst
2010/4/8
Direct 2-propanol cell performance based on Pt containing anode electrocatalyst was evaluated. Cell performance, open circuit voltage, maximum current density, and maximum power density were measured ...
The Direct Electrochemical Synthesis of Ti(II), Fe(II), Cd(II), Sn(II), and Pb(II) Complexes with N, N´-Bis(Salicylidene)-o-Phenylenediamine
Electrochemical Synthesis N N'-Bis(Salicylidene)-o-Phenylenediamine metal complex
2010/4/8
The electrochemical oxidation of anodic Ti, Fe, Cd, Sn, and Pb (=M) into acetonitrile solutions of N,N'-bis(salicylidene)-o-phenylenediamine [SalophH2] gives the corresponding M(Saloph) complexes in h...
Direct Iodination of Aromatic Compounds with Polyvinylpyrrolidone Supported Hydrogen Peroxide (PVP-H2O2) and Potassium Iodide or Molecular Iodine
iodinated aromatic compounds iodination hydrogen peroxide supported reagents
2007/12/19
摘要 Hydrogen peroxide was supported on polyvinylpyrrolidone to afford a stable and mild oxidizing reagent. Activated aromatic compounds were reacted with PVP-H2O2 in the presence of KI or I2 and a cata...
The direct combination of hydrogen and oxygen to form hydrogen peroxide in liquid media with prepared catalysts was carried out in a slurry reactor at atmospheric pressure and room temperature. An O2/...
Direct Hydrothermal Synthesis of Palladium-Incorporated Silicate-Structured Mesoporous Catalysts
Mesoporous catalysts MCM-41 Pd hydrothermal synthesis reforming
2010/4/16
Pd-Si-structured novel mesoporous nanocomposite catalytic materials, having quite high Pd/Si ratios, were synthesized by an acidic direct hydrothermal synthesis route. The nanocomposite catalytic mate...