Fig. 13From: Ochrobactrum sp. MPV1 from a dump of roasted pyrites can be exploited as bacterial catalyst for the biogenesis of selenium and tellurium nanoparticlesPrincipal Component Analysis on the FTIR spectra of SeNPs and TeNPs extracted from Ochrobactrum sp. MPV1. a PC1/PC2 score–score plot and loading plot for spectra acquired in the 4000–2500 cm−1 infrared region. Loadings of PC1 red line, loadings of PC2 black line. b PC1/PC2 score–score plot and loading for spectra acquired in the 2000–700 cm−1 infrared region. Loadings of PC1 red line, loadings of PC2 black lineBack to article page