The fabrication of an innovative extremely sensitive nano green carbon paste electrode amended with the nanocomposite CuO/Y for electrochemical quantification of amprolium in sheep meat and liver samples

Elsayed Elgazzar^a, Ragab A. M. Said^{b c}, Adham A. El-Zomrawy^d, Ashraf Mahmoud Ashmawy^d, Ahmed M. Abdel‐Raoof^{b e}✉, Wageha A. Mostafa^f, Hany Ibrahim^g, Abdul-Aziz M.M. El-Attar^{b h}✉

1. ^aDepartment of Physics, Faculty of Science, Suez Canal, University, Ismailia, Egypt
2. ^bPharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, 11751, Nasr City, Cairo, Egypt
3. ^cPharmaceutical Chemistry Department, Faculty of Pharmacy, Heliopolis University for Sustainable Development, 3 Cairo, Belbeis, Desert Road, Cairo, Egypt
4. ^dChemistry Department, Faculty of Science (boys), Al-Azhar University, 11884, Egypt
5. ^ePharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, 11751, Nasr City, Cairo, Egypt. Electronic address: Ahmedmeetyazeed79@Azhar.edu.eg
6. ^fEntomolgy Section, Zoology Department, Faculty of Science, Zagazig University, Zagazig, Egypt
7. ^gPharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Cairo 11829, Egypt
8. ^hPharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, 11751, Nasr City, Cairo, Egypt. Electronic address: Abdul.azizalattar@azhar.edu.eg
9. ✉Corresponding author