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Development of an electrochemical fentanyl nanosensor based on MWCNT-HA/ Cu-H3BTC nanocomposite
Maryam Akbari,Maryam Saleh Mohammadnia,Masoumeh Ghalkhani,Mohammad Aghaei,Esmail Sohouli,Mehdi Rahimi-Nasrabadi,Mohsen Arbabi,Hamid Reza Banafshe,Ali Sobhani-Nasab 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.114 No.-
Fentanyl is a potent narcotic drug with the same effects as morphine or heroin, but it’s significantly morepotent than these drugs. That means a tiny dose can have a dangerous impact and is also lethal, so it isessential to measure it. In this work, we have developed a new electrochemical sensor to measure thisdeadly drug utilizing a nanocomposite of multi-walled carbon nanotube, hydroxyapatite, and copperbasedmetal–organic framework (MWCNT-HA/Cu-H3BTC). The nanocomposite was first examined byX-ray diffraction, field emission scanning electron, Infrared, and Raman spectroscopic techniques. Theglassy carbon electrode (GCE) modified with MWCNT-HA/Cu-H3BTC was employed to determine fentanylin aqueous solutions. The highest oxidation current was generated for fentanyl at GCE/MWCNT-HA/Cu-H3BTC compared to the GCE, GCE/MWCNT, GCE/MWCNT/HA, and GCE/Cu-H3BTC. The GCE/MWCNT-HA/Cu-H3BTC showed a linear relationship between the concentration and the oxidation current of fentanylin the 0.01 to 100 lM with a detection limit of 3 nM. Finally, the fentanyl quantification in blood serumsamples was successfully performed. The GCE/MWCNT-HA/Cu-H3BTC’s reproducibility and stability wereindeed excellent.
Hakimeh Teymourinia,Hassan Abbas Alshamsi,Abbas Al-nayili,Esmail Sohouli,Mitra Gholami 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.125 No.-
Ciprofloxacin (CIP) is one of the most important antibiotics in pharmaceutical companies’ industrialdrains and causes environmental pollution. In this work, a new photocatalyst based on g-C3N4/N, PCQD/ZIF-67 was synthesized for CIP photocatalytic degradation. The synthesized sample was characterizedby field emission scanning electron microscopy, Fourier transform infrared spectrometer, and X-raypowder diffraction. Synthesized photocatalytic can degrade CIP as 98%. This degradation occurred in 90mins. The results showed OH and O2radicals have an important role in CIP degradation in pH = 6. Moreover, the bandgap evaluated for g-C3N4/N, P-CQD/ZIF-67 nanocomposite (1.3 eV) is less than g-C3N4 and g-C3N4/N,P CQD, which indicates the faster movement of electrons in the synthesized nanocomposite,so g-C3N4/N,P CQD/ZIF-67 nanocomposite has good application in CIP degradation. The products ofCIP degradation were analyzed by LC/MS-MS.