Research on the Selective Extraction of Oxibendazole Residues in Animal-Derived Food Using Molecularly Imprinted Polymers.

To achieve specific adsorption-based sample preparation for the poorly soluble veterinary drug oxibendazole, this study employed 4-vinylpyridine as the functional monomer and conducted radical polymerization on the surface of functionalized silica nanoparticles to synthesize a surface molecularly imprinted polymer (OBZMIP). This OBZMIP exhibited good adsorption capacity for oxibendazole within 30 min, with its adsorption behavior conforming to the pseudo-second-order kinetic and Langmuir models, predicting a maximum adsorption capacity of 4.93 mg/g.

Phosphatase-mimicking Zr@PDA nanozyme with excellent dispersion stability for the detection of fructose 1,6-diphosphate.

Zr-doped polydopamine (Zr@PDA) nanozyme with phosphatase-like activity was synthesized by a one-pot hydrothermal method for the first time. Compared with previous representative phosphatase-mimicking nanozymes (i.e.

[Impact of laser energy on measurement of fly ash carbon content].

A laser induced breakdown spectroscopy-based apparatus for the analysis of element, employing a 532 nm laser and a multi-channel optical spectrometer with a non-intensified CCD array, has been built and tested. It was applied to analyze the carbon content of coal fly ash. Seven groups of pulse laser in the range of 35 to 98 mJ were used to ablate the fly ash samples.

[Investigation on the delay time of coal experiment by laser-induced breakdown spectroscopy].

Laser-induced breakdown spectroscopy is a new technology of elementary analysis, and it will be used in coal analysis. The delay time of signal is an important parameter of spectral analysis. A LIBS system was set up and three kinds of coal (Jiangxipingxiang coal, Shanxixishan coal and Guizhoupingzhai coal) were chosen for this investigation.