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Chelating groups are successfully linked to graphene oxide (GO) surfaces through a silanization reaction between N-(trimethoxysilylpropyl) ethylenediamine triacetic acid (EDTA-silane) and hydroxyl groups on GO surface. EDTA-GO was found to be an ideal adsorbent for Pb(II) removal with a higher adsorption capacity. EDTA-modification enhances the adsorption(More)
A novel method based on ultra-performance liquid chromatography with photo diode array and electrospray ionization tandem mass spectrometry detection (UPLC-PDA-ESI-MS/MS) was developed for the qualitative and quantitative analysis of flavonoids in the leaves of Isatis indigotica Fort. (Daqingye). The separation was carried out on an Acquity UPLC BEH C(18)(More)
Juglone (JL), as one of the major bioactive components present in the bark of Juglans mandshruica Maxim, exhibits versatile bioactivities, especially anti-cancer activity. To better understand the pharmacokinetic properties of juglone, the protein binding rate of juglone was determined by ultrafiltration method, and the binding affinity and mechanism(More)
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