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@article{1750758, author = {Mukherjee, A. and Ashrafi, A.M. and Svec, P. and Richtera, L. and Přibyl, Jan and Brtnicky, M. and Kynicky, J. and Adam, V.}, article_location = {BASEL, SWITZERLAND}, article_number = {19}, doi = {http://dx.doi.org/10.3390/app10196756}, keywords = {magnetic nanoparticle; nanozyme; chronoamperometry; biosensor; peroxidase-like activity}, language = {eng}, issn = {2076-3417}, journal = {Applied Sciences-Basel}, title = {The Effect of Synthesis Procedure on Hydrogen Peroxidase-Like Catalytic Activity of Iron Oxide Magnetic Particles}, url = {https://www.mdpi.com/2076-3417/10/19/6756}, volume = {10}, year = {2020} }
TY - JOUR ID - 1750758 AU - Mukherjee, A. - Ashrafi, A.M. - Svec, P. - Richtera, L. - Přibyl, Jan - Brtnicky, M. - Kynicky, J. - Adam, V. PY - 2020 TI - The Effect of Synthesis Procedure on Hydrogen Peroxidase-Like Catalytic Activity of Iron Oxide Magnetic Particles JF - Applied Sciences-Basel VL - 10 IS - 19 SP - 6756 EP - 6756 PB - MDPI AG SN - 20763417 KW - magnetic nanoparticle KW - nanozyme KW - chronoamperometry KW - biosensor KW - peroxidase-like activity UR - https://www.mdpi.com/2076-3417/10/19/6756 N2 - A comparative study was carried out using magnetic nanoparticles (MNPs) for the fabrication of non-enzymatic sensors for the continuous and rapid detection and monitoring of H2O2. Various MNPs, differing in terms of their synthesis procedure and modification, were synthesized and characterized by different techniques. The electrochemical catalytic activity of the synthesized MNPs toward the reduction in H2O2 was investigated by cyclic voltammetry. The naked MNPs showed the highest catalytic activity among all the synthesized MNPs. The biosensor based on the naked MNPs was then applied in the determination of H2O2 using chronoamperometry. The parameters such as the applied cathodic potential and the amount of MNPs on the developed biosensor were optimized. Moreover, the analytical figures of merit, including reproducibility (RSD = 6.14%), sensitivity (m = 0.0676 mu A mu M-1), limit of detection (LOD) = 27.02 mu mol L-1, and limit of quantification (LOQ) = 89.26 mu mol L-1 of the developed biosensor indicate satisfactory analysis. Finally, MNPs were successfully utilized for the determination of H2O2 in milk. ER -
MUKHERJEE, A., A.M. ASHRAFI, P. SVEC, L. RICHTERA, Jan PŘIBYL, M. BRTNICKY, J. KYNICKY and V. ADAM. The Effect of Synthesis Procedure on Hydrogen Peroxidase-Like Catalytic Activity of Iron Oxide Magnetic Particles. \textit{Applied Sciences-Basel}. BASEL, SWITZERLAND: MDPI AG, 2020, vol.~10, No~19, p.~6756-6767. ISSN~2076-3417. Available from: https://dx.doi.org/10.3390/app10196756.
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