A solvent-free HPLC method for the simultaneous determination of Favipiravir and its hydrolytic degradation product

YA Sharaf, MH Abd El-Fattah, HM El-Sayed… - Scientific Reports, 2023 - nature.com
Abstract During COVID-19 pandemic, Favipiravir (FPV) showed a great efficacy against
COVID-19 virus, it produced noticeable improvements in recovery of the patients. The aim of …

Design and fabrication of machine learning trained silver nanoparticles-infused multi-walled carbon nanotube-based sensor for antiviral drug monitoring

M Fatima, S Hanif, ER Elsharkawy, F Zafar… - Microchemical …, 2024 - Elsevier
Acyclovir (ACY), an antiviral drug, has been predominantly used to treat herpes simplex and
zoster infections. Despite its therapeutic benefits, its precise monitoring is very vital because …

Novel carbon paste sensor modified with MWCNT and Ca-doped ZnO nanocomposite for therapeutic monitoring of Favipiravir in COVID-19 patients

YA Sharaf, MH Abd El-Fattah, AM Mahmoud… - Microchemical …, 2025 - Elsevier
Favipiravir (FAV) is a prodrug with a proven antiviral efficacy against coronavirus 2. Close
therapeutic monitoring of FAV is crucial for COVID-19 patients due to its variable dosing …

Monitoring of the prohibited 2-phenethylamine in dietary supplements using a t-Butyl calix [8] arene/Ag/CuO composite-based potentiometric sensor

SH Abdelaal, NF El Azab, SA Hassan… - Microchemical …, 2024 - Elsevier
phenethylamine (PEA) is a prohibited trace amine, that possesses amphetamine-like effect
and toxicity. However, it is still present in many weight loss dietary supplements on which the …

Development of an eco-friendly HPLC method for the stability indicating assay of binary mixture of ibuprofen and phenylephrine

KM Kelani, YM Fayez, AM Abdel-Raoof, RA Fekry… - BMC chemistry, 2023 - Springer
The development and validation of the stability indicating HPLC technique has contributed
to the understanding of the stability profile of ibuprofen (IBU) and phenylephrine (PHE) …