Megan Wilson

Articles

White powder explosion on black background. Colored cloud. Colorful dust explode. Paint Holi. | Image Credit: © kitsana - stock.adobe.com

The Detection of Biomarkers and Cocaine in Fingernails Using Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy

Megan Wilson;Jason Birkett;Iftikhar Khan;Ismail Abbas;Leung Tang;Dhiya Al-Jumeily;Sulaf Assi

August 1st 2023

ATR-FT-IR spectroscopy can provide rapid and portable measurements in forensic applications, demonstrating its ability to rapidly detect biomarkers and the presence of cocaine in fingernails.

two lines of cocaine next to a rolled-up $100 bill

Using Handheld Raman Spectroscopy Equipped with Orbital Raster Technology for Field Detection of Cocaine and its Impurities in Fingernails

Megan Wilson;Dhiya Al-Jumeily;Jason Birkett;Iftikhar Khan;Ismail Abbas;Sulaf Assi

November 1st 2022

The results of this study showed that orbital raster scanning (ORS) technology, which ensured a greater interrogation area, also resolved issues of conventional Raman spectroscopy, such as low spectrum intensity and resolution.