Text this: Indirect determination of dopamine and paracetamol by electrochemical impedance spectroscopy using azo coupling reaction with oxidized 2,4-dinitrophenylhydrazine (DNPH): Application in commercial tablets

 __   _    _    _   __    __    ______    ______  
| || | || | || | || \ \\ / //  /_   _//  /_   _// 
| '--' || | || | ||  \ \/ //    -| ||-   `-| |,-  
| .--. || | \\_/ ||   \  //     _| ||_     | ||   
|_|| |_||  \____//     \//     /_____//    |_||   
`-`  `-`    `---`       `      `-----`     `-`'