TY  - JOUR
AU  - Ognjanović, Miloš
AU  - Stanković, Dalibor
AU  - Jaćimović, Željko K.
AU  - Kosović-Perutović, Milica
AU  - Mariano, José F.M.L.
AU  - Krehula, Sjepko
AU  - Musić, Svetozar
AU  - Antić, Bratislav
PY  - 2022
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/5151
AB  - Nickel acetate tetrahydrate (NAT) sample series were used to modify screen-printed carbon electrodes (SPCE). The samples were hybrid Ni/NiO nanocomposites, where the NiO phase increased with an applied treatment temperature. Results of electrochemical measurements pointed that the Ni/NiO550/SPCE-modified electrode had the best analytical performance toward the detection of riboflavin (RF). The Ni/NiO550/SPCE-based sensor showed linear response with RF in the concentration range of 0.5–75 μM and 0.15 μM LOD in BRBS. Sensor offered fast response time, good repeatability, and selectivity with an RSD of 1.4 %. Our results show that the Ni:NiO nanocomposite ratio strongly influenced the electroanalytical performance of SPCE.
PB  - Wiley
T2  - Electroanalysis
T1  - Construction of Sensor for Submicromolar Detection of Riboflavin by Surface Modification of SPCE with Thermal Degradation Products of Nickel Acetate Tetrahydrate
VL  - 34
IS  - 9
SP  - 1431
EP  - 1440
DO  - 10.1002/elan.202100602
ER  - 

@article{
author = "Ognjanović, Miloš and Stanković, Dalibor and Jaćimović, Željko K. and Kosović-Perutović, Milica and Mariano, José F.M.L. and Krehula, Sjepko and Musić, Svetozar and Antić, Bratislav",
year = "2022",
abstract = "Nickel acetate tetrahydrate (NAT) sample series were used to modify screen-printed carbon electrodes (SPCE). The samples were hybrid Ni/NiO nanocomposites, where the NiO phase increased with an applied treatment temperature. Results of electrochemical measurements pointed that the Ni/NiO550/SPCE-modified electrode had the best analytical performance toward the detection of riboflavin (RF). The Ni/NiO550/SPCE-based sensor showed linear response with RF in the concentration range of 0.5–75 μM and 0.15 μM LOD in BRBS. Sensor offered fast response time, good repeatability, and selectivity with an RSD of 1.4 %. Our results show that the Ni:NiO nanocomposite ratio strongly influenced the electroanalytical performance of SPCE.",
publisher = "Wiley",
journal = "Electroanalysis",
title = "Construction of Sensor for Submicromolar Detection of Riboflavin by Surface Modification of SPCE with Thermal Degradation Products of Nickel Acetate Tetrahydrate",
volume = "34",
number = "9",
pages = "1431-1440",
doi = "10.1002/elan.202100602"
}

Ognjanović, M., Stanković, D., Jaćimović, Ž. K., Kosović-Perutović, M., Mariano, J. F.M.L., Krehula, S., Musić, S.,& Antić, B.. (2022). Construction of Sensor for Submicromolar Detection of Riboflavin by Surface Modification of SPCE with Thermal Degradation Products of Nickel Acetate Tetrahydrate. in Electroanalysis
Wiley., 34(9), 1431-1440.
https://doi.org/10.1002/elan.202100602

Ognjanović M, Stanković D, Jaćimović ŽK, Kosović-Perutović M, Mariano JF, Krehula S, Musić S, Antić B. Construction of Sensor for Submicromolar Detection of Riboflavin by Surface Modification of SPCE with Thermal Degradation Products of Nickel Acetate Tetrahydrate. in Electroanalysis. 2022;34(9):1431-1440.
doi:10.1002/elan.202100602 .

Ognjanović, Miloš, Stanković, Dalibor, Jaćimović, Željko K., Kosović-Perutović, Milica, Mariano, José F.M.L., Krehula, Sjepko, Musić, Svetozar, Antić, Bratislav, "Construction of Sensor for Submicromolar Detection of Riboflavin by Surface Modification of SPCE with Thermal Degradation Products of Nickel Acetate Tetrahydrate" in Electroanalysis, 34, no. 9 (2022):1431-1440,
https://doi.org/10.1002/elan.202100602 . .

TY  - JOUR
AU  - Knežević, Sara
AU  - Ognjanović, Miloš
AU  - Nedić, Nemanja
AU  - Mariano, José F.M.L.
AU  - Milanović, Zorana
AU  - Petković, Branka B.
AU  - Antić, Bratislav
AU  - Vranješ-Đurić, Sanja
AU  - Stanković, Dalibor
PY  - 2020
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/3880
AB  - In order to ensure high food quality, one of the prime importance is the detection and quantification of histamine, well known marine food poison. In this work, we constructed novel electrochemical biosensor for the detection of histamine based on gold nanoparticles decorated on manganese dioxide (Au/MnO2) and used for modification of screen-printed carbon electrode (Au/MnO2@SPCE). The constructed sensor was then used for the estimation of histamine content in a single drop. Materials used in this study were synthesized and characterized using HR-TEM, XRPD and electrochemical methods. The amperometric detection method was optimized and, under selected operating parameters (supporting electrolyte pH 6, working potential of 1 V), the proposed sensor possesses linear working range from 0.3 µM to 5.1 µM, with a detection limit of 0.08 µM. The effect of selected interferences was investigated and it was found that the developed approach offers accurate, precise, selective, fast and reproducible quantification of histamine using only one drop of the sample. In the end, this work stands as a proof-of-concept of the modified electrodes and electrochemical detection as a promising and prospective approach for the applications in real-time monitoring of the food quality.
PB  - Elsevier
T2  - Microchemical Journal
T1  - A single drop histamine sensor based on AuNPs/MnO2 modified screen-printed electrode
VL  - 155
DO  - 10.1016/j.microc.2020.104778
ER  - 

@article{
author = "Knežević, Sara and Ognjanović, Miloš and Nedić, Nemanja and Mariano, José F.M.L. and Milanović, Zorana and Petković, Branka B. and Antić, Bratislav and Vranješ-Đurić, Sanja and Stanković, Dalibor",
year = "2020",
abstract = "In order to ensure high food quality, one of the prime importance is the detection and quantification of histamine, well known marine food poison. In this work, we constructed novel electrochemical biosensor for the detection of histamine based on gold nanoparticles decorated on manganese dioxide (Au/MnO2) and used for modification of screen-printed carbon electrode (Au/MnO2@SPCE). The constructed sensor was then used for the estimation of histamine content in a single drop. Materials used in this study were synthesized and characterized using HR-TEM, XRPD and electrochemical methods. The amperometric detection method was optimized and, under selected operating parameters (supporting electrolyte pH 6, working potential of 1 V), the proposed sensor possesses linear working range from 0.3 µM to 5.1 µM, with a detection limit of 0.08 µM. The effect of selected interferences was investigated and it was found that the developed approach offers accurate, precise, selective, fast and reproducible quantification of histamine using only one drop of the sample. In the end, this work stands as a proof-of-concept of the modified electrodes and electrochemical detection as a promising and prospective approach for the applications in real-time monitoring of the food quality.",
publisher = "Elsevier",
journal = "Microchemical Journal",
title = "A single drop histamine sensor based on AuNPs/MnO2 modified screen-printed electrode",
volume = "155",
doi = "10.1016/j.microc.2020.104778"
}

Knežević, S., Ognjanović, M., Nedić, N., Mariano, J. F.M.L., Milanović, Z., Petković, B. B., Antić, B., Vranješ-Đurić, S.,& Stanković, D.. (2020). A single drop histamine sensor based on AuNPs/MnO2 modified screen-printed electrode. in Microchemical Journal
Elsevier., 155.
https://doi.org/10.1016/j.microc.2020.104778

Knežević S, Ognjanović M, Nedić N, Mariano JF, Milanović Z, Petković BB, Antić B, Vranješ-Đurić S, Stanković D. A single drop histamine sensor based on AuNPs/MnO2 modified screen-printed electrode. in Microchemical Journal. 2020;155.
doi:10.1016/j.microc.2020.104778 .

Knežević, Sara, Ognjanović, Miloš, Nedić, Nemanja, Mariano, José F.M.L., Milanović, Zorana, Petković, Branka B., Antić, Bratislav, Vranješ-Đurić, Sanja, Stanković, Dalibor, "A single drop histamine sensor based on AuNPs/MnO2 modified screen-printed electrode" in Microchemical Journal, 155 (2020),
https://doi.org/10.1016/j.microc.2020.104778 . .