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. 2020 Jul 2;9(7):150. doi: 10.3390/biology9070150

Figure 4.

Figure 4

The LC–MS spectra of the effective conditioned media prepared from bacteria isolated from the gastrointestinal tract of scorpion, H. spinifer: HSG12 (P. aeruginosa) and HSG16 (B. subtilis) when subjected to Agilent Technologies 6520 Accurate-Mass Q-TOF mass spectrometer with dual ESI source LC–MS analysis. Briefly the conditioned media was subjected to chloroform extraction and the extract was dried under pressure and dissolved in HPLC-grade methanol for LC–MS analysis. (A) The spectrum of molecules detected for negative ion polarity from HSG12. (B) The spectrum of molecules detected for positive ion polarity from HSG12. (C) The spectrum of molecules detected for negative ion polarity from HSG16. (D) The spectrum of molecules detected for positive ion polarity from HSG16.