1. Simultaneous determination of mushroom toxins α-amanitin, β-amanitin and muscarine in human urine by solid-phase extraction and ultra-high-performance liquid chromatography coupled with ultra-high-resolution TOF mass spectrometry 
Jana Tomková, Peter Ondra, Ivo Válka 
Forensic Science International 
Volume 251, Pages (June 2015)
DOI: /j.forsciint
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2. Fig. 1
Chemical structures of α-amanitin (R=NH2) and β-amanitin (R=OH).
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3. Fig. 2 Chemical structures of internal standard phallacidin.
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4. Fig. 3 Chemical structures of muscarine.
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5. Fig. 4
Extracted ion chromatograms of human urine spiked with α-amanitin (10ng/mL), β-amanitin (10ng/mL), muscarine (1ng/mL), and phallacidin (IS, 100ng/mL) obtained by UHPLC-UHR-TOF MS. Extracted ions: for α-amanitin , for β-amanitin , for muscarine and for phallacidin
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6. Fig. 5
Magnified profiles of the protonated molecular ions or the charged molecular ion and their isotope peaks obtained by ultra-high-resolution TOF MS: α-amanitin: the protonated molecular ion (A), β-amanitin: the protonated molecular ion (B), muscarine: the charged molecular ion (C) and internal standard phallacidin: the protonated molecular ion (D).
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7. Fig. 6
UHPLC-UHR-TOF MS analysis of boy's urine (——, full line) and negative human urine (- - -, dashed line).
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8. Fig. 7
UHPLC-UHR-TOF MS analysis of female's urine (——, full line) and negative human urine (- - -, dashed line).
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9. Forensic Science International 2015 251, 209-213DOI: (10. 1016/j
Forensic Science International  , DOI: ( /j.forsciint )
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