Skip to main content

Table 2 Signal intensity and S/N ratio of synthetic matrix material with low molecular weight analytes

From: Benzimidazole, coumrindione and flavone derivatives as alternate UV laser desorption ionization (LDI) matrices for peptides analysis

Compounds Bradykinin a Renin substrate tetra-decapeptide a
S/N Sig. Int. S/N Sig. Int.
1 711 56530 551 47162
2 540 23276 423 23276
3 547 61687 228 23778
4 447 64184 205 50958
5 965 179163 579 39417
6 612 73058 450 40258
7 403 98986 586 132521
8 710 105850 689 68272
9 148 254785 435 32688
10 250 38696 411 59285
11 568 129858 361 80878
12 524 157277 360 144048
13 548 58187 620 105141
14 520 131703 668 127967
15 612 17858 402 55811
16 369 24724 463 65700
17 250 57522 432 81912
18 332 101983 299 61957
19 294 55402 200 13615
20 286 13022 514 14110
21 244 53297 446 36294
22 427 88683 642 101135
23 455 85541 650 53205
24 328 11451 519 81163
25 850 16992 574 85517
26 402 14593 436 79334
27 370 26798 444 66542
28 202 10398 221 13736
29 727 115238 309 124664
30 708 10452 125 16030
31 806 89386 66 18759
HCCA 832 86824 792 147702
  1. a 25pM.