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Magnetic Nanobeads as Support for Zinc(II)–Cyclen Complexes: Selective and Reversible Extraction of Riboflavin

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Kainz, Quirin M. ; Späth, Andreas ; Weiss, Stefan ; Michl, Thomas D. ; Schätz, Alexander ; Stark, Wendelin J. ; König, Burkhard ; Reiser, Oliver
License: Creative Commons Attribution Non-commercial 3.0
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Date of publication of this fulltext: 07 Sep 2012 06:53


Fishing for riboflavin: Highly magnetic polymer-coated Fe/C nanoparticles are used as supports for zinc(II)–cyclen complexes. Quantitative and reversible extraction of riboflavin (vitamin B2) from aqueous solutions and a vitamin dietary supplement is achieved retaining high efficacy for six consecutive cycles. Applying an external magnetic field readily recycles the nanobeads.

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