Uracil in the carbonaceous asteroid (162173) ryugu

HIGHLIGHTS

• who: Yasuhiro Oba from the The methanol extract from the Ryugu samples was introduced into a nano liquid chromatograph (UltiMate , RSLCnano, Thermo Fisher Scientific) equipped with a reversed phase , column (Aurora, mm length u00d7 , mm id., particle size, ., u03bcm, IonOptics) and a nanoelectrospray ion source. The eluent program for the nanoLC was as follows: solvent A (water +, .1% formic acid) and solvent B (acetonitrile +, .1% formic acid)=99:, at t=0, min, followed by a linear gradient of A:B=75:, at t=25, and the additional linear gradient of A:B=15:, at t=30, maintained . . .
  

   

  

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