INORGANIC/ORGANIC CORE-SHELL MAGNETIC MATERIALS FOR
REMOVAL OF ENDOCRINE DISRUPTING PHARMACEUTICALS
FROM WATER
RADU CLAUDIU FIERĂSCU 1#, CRISTINA ELENA DINU-PÎRVU 2#, IRINA FIERĂSCU 1#*, VIORICA ȚĂRMURE 3#, NICOLAE STANICĂ 4, CRISTIAN-ANDI NICOLAE 1, RALUCA SOMOGHI 1, BOGDAN TRICĂ 1, VALENTINA ANUȚA 2#
1National R&D Institute for Chemistry and Petrochemistry – ICECHIM Bucharest, 202 Spl. Independenței, 060021,
Bucharest, Romania
2Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, 6 Traian Vuia Street, 020956, Bucharest,
Romania
3“Iuliu Hațieganu”University of Medicine and Pharmacy, Cluj-Napoca, Romania
4“Ilie Murgulescu” Institute of Physical Chemistry, 202 Spl. Independenței, 060021, Bucharest, Romania
*corresponding author: dumitriu.irina@yahoo.com
#Authors having equal contribution to the present study
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Abstract:
The presence of pharmaceutical substances in aqueous effluents represents one of the major concerns in environmental
protection, as most of them present a profound endocrine disrupting character. The present study evaluates the use of organic/
inorganic core-shell magnetic composites for the removal of two types of endocrine disrupting pharmaceutical substances.
The results presented show a good affinity of the nickel ferrite/chitosan composite towards the adsorption of Na naproxen
(89% at 48 h), while the best results for the adsorption of diltiazem HCl were obtained for the copper ferrite/chitosan
composite (56% at 48 h); in the same time, the magnetic properties of the composites allow the easy removal of the
adsorbents from the aqueous effluents.

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