Rapid and nondestructive analysis of lipstick on different substrates using ATR-FTIR spectroscopy and chemometrics

by Khei, Lim Ka, Verma, Rajesh, Tan, Eva Lee Yin, Low, Kah Hin, Ismail, Dzulkiflee, Asri, Muhammad Naeim Mohamad
Published 2023

Raman Spectroscopy with self-organizing feature maps and partial least squares discriminant analysis for discrimination and source correspondence of red gel ink pens

by Mohamad Asri, Muhammad Naeim, Verma, Rajesh, Mahat, Naji Arafat, Mohd. Nor, Nor Azman, Mat Desa, Wan Nur Syuhaila, Ismail, Dzulkiflee
Published 2022

Discrimination and source correspondence of black gel inks using Raman spectroscopy and chemometric analysis with UMAP and PLS-DA

by Mohamad Asri, Muhammad Naeim, Verma, Rajesh, Mahat, Naji Arafat, Mohd. Nor, Nor Azman, Mat Desa, Wan Nur Syuhaila, Ismail, Dzulkiflee
Published 2022