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Quantification of multi-residue levels in peach juices, pulps and peels using dispersive liquid-liquid microextraction based on floating organic droplet coupled with gas chromatography-electron
The experiment results revealed that the pyrethroid residues just deposited on the peels of the fruits, but did not move into pulps and juices, while there were no target analytes found in peach juices and pulps. Expand
Development of a novel ultrasound-assisted surfactant-enhanced emulsification microextraction method and its application to the analysis of eleven polycyclic aromatic hydrocarbons at trace levels in
The proposed UASEME technique has been demonstrated to be simple, practical and environmentally friendly for the determination of PAH residues in real water samples. Expand
Simultaneous determination of seven anthraquinones in rat plasma by Ultra High Performance Liquid Chromatography-tandem Mass Spectrometry and pharmacokinetic study after oral administration of Semen
The proposed UHPLC-MS/MS assay was validated for linearity, intra-day and inter-day precisions, accuracy, extraction recovery and stability, and further applied to investigate the pharmacokinetics of seven anthraquinones after oral administration of Semen Cassia extract to rats. Expand
Application of DLLME to the Determination of Pyrethroids in Aqueous Samples
A simple, rapid, sensitive, and environmentally friendly method has been established for the determination of four pyrethroids (fenpropathrin, cyhalothrin, permethrin and tau-fluvalinate) in waterExpand
Determination of trace formaldehyde in blood plasma by resonance fluorescence technology.
The present method had been applied to the determination of trace formaldehyde in blood plasma, and the obtained results were in good agreement with those obtained by the resonance light scattering method. Expand
Simultaneous Determination of Purpurin, Munjistin and Mollugin in Rat Plasma by Ultra High Performance Liquid Chromatography-Tandem Mass Spectrometry: Application to a Pharmacokinetic Study after
It was concluded from the pharmacokinetic parameters that the three analytes showed a process of slow absorption and metabolism after oral administration of R. cordifolia extract to rats. Expand
Dispersive liquid-liquid microextraction based on the solidification of floating organic droplet for the determination of polychlorinated biphenyls in aqueous samples.
An extraction solvent with a lower toxicity and density than the solvents typically used in dispersive liquid-liquid microextraction was used to extract seven polychlorinated biphenyls (PCBs) from aqueous samples, and good linearity, reproducibility and recovery were obtained. Expand
Resonance light scattering determination of uranyl based on labeled DNAzyme-gold nanoparticle system.
A resonance light scattering (RLS) method has been developed using a uranyl (UO2(2+)) specific DNAzyme and gold nanoparticles (AuNPs) to provide a promising potential for the detection of metal ions. Expand
Dielectric barrier discharge for high efficiency plasma-chemical vapor generation of cadmium.
The new thin-film DBD plasma-chemical vapor generation (CVG) provides several additional advantages including simple setup, easy coupling with flow injection, low power consumption, cost-effectiveness, and long operation lifetime. Expand
Colorimetric detection of metallothioneins using a thymine-rich oligonucleotide-Hg complex and gold nanoparticles.
The proposed method avoids the label and derivatization steps in common methods, allows direct analysis of the samples by the naked eye without costly instruments, and is reliable, inexpensive, and sensitive. Expand