Bovine serum albumin-Cu(II) hybrid nanoflowers: An effective adsorbent for solid phase extraction and slurry sampling flame atomic absorption spectrometric analysis of cadmium and lead in water, hair, food and cigarette samples

Analytica Chimica Acta
Erkan YilmazMustafa Soylak

Abstract

Herein, the synthesis of bovine serum albumin-Cu(II) hybrid nanoflowers (BSA-NFs) through the building blocks of bovine serum albumin (BSA) and copper(II) ions in phosphate buffered saline (PBS) and their use as adsorbent for cadmium and lead ions are reported. The BSA-NFs, for the first time, were efficiently utilized as novel adsorbent for solid phase extraction (SPE) of cadmium and lead ions in water, food, cigarette and hair samples. The method is based on the separation and pre-concentration of Cd(II) and Pb(II) by BSA-NFs prior to determination by slurry analysis via flame atomic absorption spectrometry (FAAS). The analytes were adsorbed on BSA-NFs under the vortex mixing and then the ion-loaded slurry was separated and directly introduced into the flame AAS nebulizer by using a hand-made micro sample introduction system to eliminate a number of drawbacks. The effects of analytical key parameters, such as pH, amount of BSA-NFs, vortexing time, sample volume, and matrix effect of foreign ions on adsorbing of Cd(II) and Pb(II) were systematically investigated and optimized. The limits of detection (LODs) for Cd(II) and Pb(II) were calculated as 0.37 μg L(-)(1) and 8.8 μg L(-)(1), respectively. The relative standard deviatio...Continue Reading

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Citations

Mar 18, 2017·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Ece CaliskanSuleyman Akman
Mar 21, 2018·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Zhixian LeiZian Lin
Nov 9, 2019·Chemical Research in Toxicology·Carla FerreiraAlexandre Quintas
Sep 23, 2021·Journal of Tissue Engineering and Regenerative Medicine·Preethy Amruthavarshini RameshAnuradha Subramanian
Oct 1, 2020·Saudi Journal of Biological Sciences·Fatih Doğan KocaIsmail Ocsoy

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