Fig. 10: Exemplar peaks in raw spectra that could be targeted to confirm genuine Engerix B (Biotyper Sirius spectra). | npj Vaccines

Fig. 10: Exemplar peaks in raw spectra that could be targeted to confirm genuine Engerix B (Biotyper Sirius spectra).

From: Using matrix assisted laser desorption ionisation mass spectrometry combined with machine learning for vaccine authenticity screening

Fig. 10

a Peaks present at m/z 148.661 in 0.9% (m/V) sodium chloride, 5% (m/V) glucose, tap water, Milli-Q and water for injection but not the genuine vaccine Engerix B. b A peak at m/z 656.246 unique to Engerix B against the falsified vaccine constituents 5% (m/V) glucose, Amikacin, Gentamicin, Milli-Q and water for injection.

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