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Sample is frozen by liquid N2 and resultin … Sample is frozen by liquid N2 and resulting powder (100mg) are solved in 300uL 80% methanol solution. 20uL sample is injected into HPLC after 0.2um membrane filter treatment. HPLC conditions: Agilent 1100 series (Agilent), Column: TSKgel-100Z (4.6 x 250 mm, 5 micrometer; TOSOH), Solvent: A; 0.1% formic acid aq. B; ACN (addition 0.1% formic acid fc.), Gradient: (B);3 to 97% (0.0 to 45.0 min), 97% (45.1 to 50.0 min), 3% (50.1 to 57.0 min), Column temp.: 40 degree C, Flow rate=0.5mL/min, PDA: 200-650 nm (2 nm step). FT-ICR-MS conditions: Filter 1: FTMS + c norm !corona !pi res=100000 o(100.0-1500.0); 2: ITMS + c norm !corona !pi Dep MS/MS Most intense ion from (1), 3: ITMS + c norm !corona !pi Dep MS/MS 2nd most intense ion from (1), 4: ITMS + c norm !corona !pi Dep MS/MS 3rd most intense ion from (1), 5: ITMS + c norm !corona !pi Dep MS/MS 4th most intense ion from (1), 6: ITMS + c norm !corona !pi Dep MS/MS 5th most intense ion from (1). Reject Mass List:235.2000, 236.2000, 376.0000, 377.0000, 609.3000, 610.3000, 810.4000, 811.4000, 1123.7000, 1124.7000. 810.4000, 811.4000, 1123.7000, 1124.7000.
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