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Journal of chromatography. B, Analytical technologies in the biomedical and life sciences v.1072, 2018년, pp.1 - 8   SCI SCIE
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Separation of aflatoxin B1 from synthetic physiological fluids using talc and diatomite: Kinetic and isotherm aspects

Sprynskyy, Myroslav (Corresponding author. ) ; Krzemień-Konieczka, Iwona ; Gadzała-Kopciuch, Renata ; Buszewski, Bogusław ;
  • 초록  

    Abstract The objective of the study was to examine adsorption of the aflatoxin B1 from synthetic gastric fluid and synthetic intestinal fluid by talc, raw and calcined diatomite. The kinetic and equilibrium adsorption processes were studied in the batch adsorption experiments applying high performance liquid chromatography for the aflatoxin B1 determination. The kinetic study showed a very fast adsorption of the aflatoxin B1 onto the selected adsorbents from the both physiological fluids with reaching equilibrium within 1–15min. The aflatoxin B1 was almost completely adsorbed in initial linear step of the kinetic process that can be described well by the zero-order kinetics model. The experimental data of the equilibrium adsorption were characterized using the Langmuir and Freundlich isotherm models. The high adsorption effectiveness was found in a range of 90%–100% and 60%–100% for the diatomite samples and the talc respectively at the initial concentrations of the aflatoxin B1 as 31–300ng/mL. The possible mechanisms of the aflatoxin adsorption onto the used mineral adsorbents are also discussed in the work. Highlights The first data on the aflatoxin B1 adsorption onto talc. The kinetics and isotherms of the aflatoxin B1 adsorption on talc and diatomite. The highly effective and fast adsorption of aflatoxin B1 on tested adsorbents.


  • 주제어

    Mycotoxins .   Aflatoxin B1 .   Adsorption .   Talc .   Diatomite .   Liquid chromatography.  

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