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["Supplementary Data 2. Synthetic DNA oligonucleotides used for MALDI-TOF external calibration"]
[]
["[M+H]+  m/z value","DNA sequence"]
[6706.4,"5′-ATGCCACGTACGCAGTCACGGC-3′ ([M+H]+ = 6706.4)"]
[7019.6,"5′-ATGCCACGTACGCAGTCACGGCA-3′ ([M+H]+ = 7019.6) "]
[{"v":7628,"d":"7628.0"},"5′-ATGCCACGTACGCAGTCACGGCATT-3′ ([M+H]+ = 7628.0)"]
[5556.6,"5′-AGCTTGACTGCGAGCGTG-3′ ([M+H]+ = 5556.6)"]
[{"v":6142,"d":"6142.0"},"5′-TTAGTGCAATGGCATAAGCC-3′ ([M+H]+ = 6142.0)"]