id sid tid token lemma pos pr76f190d7h 1 1 in in ADP pr76f190d7h 1 2 this this DET pr76f190d7h 1 3 work work NOUN pr76f190d7h 1 4 , , PUNCT pr76f190d7h 1 5 the the DET pr76f190d7h 1 6 issue issue NOUN pr76f190d7h 1 7 of of ADP pr76f190d7h 1 8 preserving preserve VERB pr76f190d7h 1 9 labile labile ADJ pr76f190d7h 1 10 post post ADJ pr76f190d7h 1 11 - - ADJ pr76f190d7h 1 12 translational translational ADJ pr76f190d7h 1 13 modifications modification NOUN pr76f190d7h 1 14 ( ( PUNCT pr76f190d7h 1 15 ptms ptms NOUN pr76f190d7h 1 16 ) ) PUNCT pr76f190d7h 1 17 for for ADP pr76f190d7h 1 18 mass mass NOUN pr76f190d7h 1 19 spectrometric spectrometric ADJ pr76f190d7h 1 20 analysis analysis NOUN pr76f190d7h 1 21 is be AUX pr76f190d7h 1 22 studied study VERB pr76f190d7h 1 23 . . PUNCT pr76f190d7h 2 1 electrospray electrospray PROPN pr76f190d7h 2 2 ionization ionization PROPN pr76f190d7h 2 3 ( ( PUNCT pr76f190d7h 2 4 esi esi PROPN pr76f190d7h 2 5 ) ) PUNCT pr76f190d7h 2 6 and and CCONJ pr76f190d7h 2 7 matrix matrix NOUN pr76f190d7h 2 8 assisted assist VERB pr76f190d7h 2 9 laser laser NOUN pr76f190d7h 2 10 desorption desorption NOUN pr76f190d7h 2 11 ionization ionization NOUN pr76f190d7h 2 12 ( ( PUNCT pr76f190d7h 2 13 maldi maldi PROPN pr76f190d7h 2 14 ) ) PUNCT pr76f190d7h 2 15 mass mass PROPN pr76f190d7h 2 16 spectrometry spectrometry NOUN pr76f190d7h 2 17 ( ( PUNCT pr76f190d7h 2 18 ms ms PROPN pr76f190d7h 2 19 ) ) PUNCT pr76f190d7h 2 20 are be AUX pr76f190d7h 2 21 currently currently ADV pr76f190d7h 2 22 the the DET pr76f190d7h 2 23 methods method NOUN pr76f190d7h 2 24 of of ADP pr76f190d7h 2 25 choice choice NOUN pr76f190d7h 2 26 for for ADP pr76f190d7h 2 27 the the DET pr76f190d7h 2 28 analysis analysis NOUN pr76f190d7h 2 29 of of ADP pr76f190d7h 2 30 ptms ptms NOUN pr76f190d7h 2 31 . . PUNCT pr76f190d7h 3 1 however however ADV pr76f190d7h 3 2 , , PUNCT pr76f190d7h 3 3 even even ADV pr76f190d7h 3 4 for for ADP pr76f190d7h 3 5 softer soft ADJ pr76f190d7h 3 6 ionization ionization NOUN pr76f190d7h 3 7 methods method NOUN pr76f190d7h 3 8 such such ADJ pr76f190d7h 3 9 as as ADP pr76f190d7h 3 10 esi esi PROPN pr76f190d7h 3 11 and and CCONJ pr76f190d7h 3 12 maldi maldi PROPN pr76f190d7h 3 13 , , PUNCT pr76f190d7h 3 14 several several ADJ pr76f190d7h 3 15 ptms ptms NOUN pr76f190d7h 3 16 are be AUX pr76f190d7h 3 17 labile labile ADJ pr76f190d7h 3 18 and and CCONJ pr76f190d7h 3 19 the the DET pr76f190d7h 3 20 modification modification NOUN pr76f190d7h 3 21 can can AUX pr76f190d7h 3 22 be be AUX pr76f190d7h 3 23 lost lose VERB pr76f190d7h 3 24 upon upon SCONJ pr76f190d7h 3 25 ionization ionization NOUN pr76f190d7h 3 26 prior prior ADV pr76f190d7h 3 27 to to ADP pr76f190d7h 3 28 ms ms PROPN pr76f190d7h 3 29 detection detection PROPN pr76f190d7h 3 30 . . PUNCT pr76f190d7h 4 1 a a DET pr76f190d7h 4 2 new new ADJ pr76f190d7h 4 3 ionization ionization NOUN pr76f190d7h 4 4 method method NOUN pr76f190d7h 4 5 called call VERB pr76f190d7h 4 6 alternating alternate VERB pr76f190d7h 4 7 current current ADJ pr76f190d7h 4 8 ( ( PUNCT pr76f190d7h 4 9 ac ac PROPN pr76f190d7h 4 10 ) ) PUNCT pr76f190d7h 4 11 esi esi PROPN pr76f190d7h 4 12 has have AUX pr76f190d7h 4 13 been be AUX pr76f190d7h 4 14 conjectured conjecture VERB pr76f190d7h 4 15 to to PART pr76f190d7h 4 16 be be AUX pr76f190d7h 4 17 a a DET pr76f190d7h 4 18 ' ' PUNCT pr76f190d7h 4 19 softer soft ADJ pr76f190d7h 4 20 ' ' PUNCT pr76f190d7h 4 21 ionization ionization NOUN pr76f190d7h 4 22 technique technique NOUN pr76f190d7h 4 23 , , PUNCT pr76f190d7h 4 24 and and CCONJ pr76f190d7h 4 25 , , PUNCT pr76f190d7h 4 26 as as ADP pr76f190d7h 4 27 such such ADJ pr76f190d7h 4 28 , , PUNCT pr76f190d7h 4 29 is be AUX pr76f190d7h 4 30 a a DET pr76f190d7h 4 31 candidate candidate NOUN pr76f190d7h 4 32 for for ADP pr76f190d7h 4 33 preserving preserve VERB pr76f190d7h 4 34 labile labile ADJ pr76f190d7h 4 35 ptms ptms NOUN pr76f190d7h 4 36 for for ADP pr76f190d7h 4 37 high high ADJ pr76f190d7h 4 38 sensitivity sensitivity NOUN pr76f190d7h 4 39 and and CCONJ pr76f190d7h 4 40 more more ADV pr76f190d7h 4 41 efficient efficient ADJ pr76f190d7h 4 42 mass mass NOUN pr76f190d7h 4 43 spectrometry spectrometry NOUN pr76f190d7h 4 44 . . PUNCT pr76f190d7h 5 1 in in ADP pr76f190d7h 5 2 this this DET pr76f190d7h 5 3 work work NOUN pr76f190d7h 5 4 , , PUNCT pr76f190d7h 5 5 ac ac PROPN pr76f190d7h 5 6 esi esi PROPN pr76f190d7h 5 7 and and CCONJ pr76f190d7h 5 8 dc dc PROPN pr76f190d7h 5 9 esi esi PROPN pr76f190d7h 5 10 are be AUX pr76f190d7h 5 11 compared compare VERB pr76f190d7h 5 12 over over ADP pr76f190d7h 5 13 a a DET pr76f190d7h 5 14 series series NOUN pr76f190d7h 5 15 of of ADP pr76f190d7h 5 16 experimental experimental ADJ pr76f190d7h 5 17 studies study NOUN pr76f190d7h 5 18 using use VERB pr76f190d7h 5 19 a a DET pr76f190d7h 5 20 model model NOUN pr76f190d7h 5 21 peptide peptide NOUN pr76f190d7h 5 22 . . PUNCT pr76f190d7h 6 1 the the DET pr76f190d7h 6 2 impact impact NOUN pr76f190d7h 6 3 of of ADP pr76f190d7h 6 4 various various ADJ pr76f190d7h 6 5 parameters parameter NOUN pr76f190d7h 6 6 , , PUNCT pr76f190d7h 6 7 including include VERB pr76f190d7h 6 8 operating operating NOUN pr76f190d7h 6 9 voltage voltage NOUN pr76f190d7h 6 10 , , PUNCT pr76f190d7h 6 11 temperature temperature NOUN pr76f190d7h 6 12 , , PUNCT pr76f190d7h 6 13 ph ph NOUN pr76f190d7h 6 14 , , PUNCT pr76f190d7h 6 15 and and CCONJ pr76f190d7h 6 16 solvent solvent NOUN pr76f190d7h 6 17 , , PUNCT pr76f190d7h 6 18 have have AUX pr76f190d7h 6 19 been be AUX pr76f190d7h 6 20 explored explore VERB pr76f190d7h 6 21 and and CCONJ pr76f190d7h 6 22 the the DET pr76f190d7h 6 23 results result NOUN pr76f190d7h 6 24 analyzed analyze VERB pr76f190d7h 6 25 within within ADP pr76f190d7h 6 26 the the DET pr76f190d7h 6 27 context context NOUN pr76f190d7h 6 28 of of ADP pr76f190d7h 6 29 potential potential ADJ pr76f190d7h 6 30 ptm ptm NOUN pr76f190d7h 6 31 loss loss NOUN pr76f190d7h 6 32 mechanisms mechanism NOUN pr76f190d7h 6 33 . . PUNCT pr76f190d7h 7 1 the the DET pr76f190d7h 7 2 results result NOUN pr76f190d7h 7 3 of of ADP pr76f190d7h 7 4 this this DET pr76f190d7h 7 5 work work NOUN pr76f190d7h 7 6 demonstrate demonstrate VERB pr76f190d7h 7 7 that that SCONJ pr76f190d7h 7 8 ac ac PROPN pr76f190d7h 7 9 esi esi PROPN pr76f190d7h 7 10 has have VERB pr76f190d7h 7 11 significant significant ADJ pr76f190d7h 7 12 potential potential NOUN pr76f190d7h 7 13 to to PART pr76f190d7h 7 14 outperform outperform VERB pr76f190d7h 7 15 dc dc PROPN pr76f190d7h 7 16 esi esi PROPN pr76f190d7h 7 17 for for ADP pr76f190d7h 7 18 ph ph NOUN pr76f190d7h 7 19 - - PUNCT pr76f190d7h 7 20 sensitive sensitive ADJ pr76f190d7h 7 21 labile labile ADJ pr76f190d7h 7 22 ptms ptms NOUN pr76f190d7h 7 23 . . PUNCT