Title
Swift electrochemical detection of paraben an endocrine disruptor by <tex>$In_{2}O_{3}$</tex> nanobricksSwift electrochemical detection of paraben an endocrine disruptor by <tex>$In_{2}O_{3}$</tex> nanobricks
Author
Faculty/Department
Faculty of Sciences. Chemistry
Research group
AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Publication type
article
Publication
Lausanne,
Subject
Physics
Chemistry
Source (journal)
Sensors and actuators : B : chemical. - Lausanne
Volume/pages
221(2015), p. 167-171
ISSN
0925-4005
ISI
000362918100021
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Novel indium oxide (In2O3) nanobricks have been prepared by template-less and surfactant-free hydrothermal synthesis method and were characterized by X-ray diffraction (XRD), Raman spectroscopy, photoluminescence (PL) spectroscopy and field emission scanning electronic microscopy (FESEM). The synthesized In2O3 nanobricks were successfully immobilized on the surface of glassy carbon electrode for the detection of Parabens (butylparaben). Owing to the unique structure and intriguing properties of these In2O3 nanobricks, the nanostructured thin-film electrode has shown an obvious electrocatalytic activity for the detection of butylparaben (BP). The detection limit (LOD) was estimated as 3 s/m and the sensitivity (LOQ) was calculated as 10 s/m and were found to be 0.08 μM and 0.26 μA μM−1 cm−2 respectively. This sensor showed high sensitivity compared with the reported electrochemical sensors for the detection of BP. The fabricated sensor was successfully applied for the detection of butyl paraben in real cosmetic samples with good recovery ranging from 96.0 to 100.3%.
E-info
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