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Sandpaper-based electrochemical devices assembled on a reusable 3D-printed holder to detect date rape drug in beverages by Danielly S. Rocha; Lucas C. Duarte; Habdias A. Silva-Neto; Cyro L.S. Chagas; Mário H.P. Santana; Nelson R. Antoniosi Filho; Wendell K.T. Coltro is a Chemistry article available to read on EtoBox.
What is Sandpaper-based electrochemical devices assembled on a reusable 3D-printed holder to detect date rape drug in beverages about?
This study describes the development of a new electrochemical paper-based analytical device (ePAD) on alumina sandpaper substrate through a pencil-drawing process for square wave voltammetry measurements of midazolam maleate used as a "date rape drug" in beverages. The proposed ePAD was assembled on a reusable 3D printed holder to delimit its geometric area and ensure better robustness. The ePAD was characterized by scanning electron microscopy, cyclic voltammetry, electrochemical impedance spectroscopy and Raman spectroscopy. The direct drawing of ePADs on sandpaper platforms through a graphite pencil has offered suitable repeatability (RSD = 1.0%) and reproducibility (RSD = 4.0%) using [Fe(CN)] as redox probe. The proposed ePAD provided linear behaviour in the midazolam maleate concentration range between 2.5 and 150 mg L and a limit of detection of 2.0 mg L. The feasibility of the ePAD for forensic application was successfully demonstrated through the detection of midazolam in different beverages (water, beer, liquor, and vodka). The intended application revealed low interference of other compounds present in beverages. Based on the achieved results, the proposed ePAD has offere
Who reads Sandpaper-based electrochemical devices assembled on a reusable 3D-printed holder to detect date rape drug in beverages?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Danielly S. Rocha; Lucas C. Duarte; Habdias A. Silva-Neto; Cyro L.S. Chagas; Mário H.P. Santana; Nelson R. Antoniosi Filho; Wendell K.T. Coltro
- Publisher
- Elsevier BV
- Published
- 2021
- Language
- EN
- Field
- Chemistry (Physical Sciences)