Chemometric analysis of Fourier transform infrared spectra for the detection of cotinine in fingernails of e-cigarette users

Nicotine exposure from e-cigarette use remains a growing public health concern, necessitating reliable biomarkers and analytical approaches for long-term exposure assessment. This study aimed to investigate the feasibility of detecting and classifying cotinine, the primary metabolite of nicotine, in...

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Bibliographic Details

Main Authors:	Yu, Yong Gong, Kamaruzaman, Putera Danial Izzat, Ganaprakasam, Shaun Wyrennraj, Abu Bakar, Nurul Ain, Amin, Eddy Saputra Rohmatul, Mohd Yusof, Muhammad Jefri
Format:	Article
Language:	en
Published:	Multidisciplinary Digital Publishing Institute (MDPI) 2026
Subjects:	Analytical Chemistry Chemistry (miscellaneous) Molecular Medicine
Online Access:	http://psasir.upm.edu.my/id/eprint/124275/1/124275.pdf http://psasir.upm.edu.my/id/eprint/124275/ https://www.mdpi.com/1420-3049/31/5/791
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