Miniature Sensors for Biological Warfare Agents using Fatty Acid ...

27. GC/MS separation/detection of micropyrolyzer-vaporized FAMEs C13:0
(13) to C17:0 (17). ......................................................................................52
28. Micropyrolysis vaporization of methyl picolinic acid (mPA).........................52
29. Micropyrolysis vaporization of methyl dipicolinic acid (mDPA). ..................53
30. Micropyrolysis vaporization of picolinic acid (PA). ......................................53
31. Micropyrolysis vaporization of DPA (no TMAH)..........................................54
32. Micropyrolysis/methylation of fatty acid mixture. ........................................55
33. Comparison of (A) C14 peak created by micropyrolysis/methylation to
(B) library mass spectrum of C14:0-ME......................................................55
34. Micropyrolysis/methylation of fatty acid mixtures A and B..........................56
35. Micro-pyrolysis/methylation of triglyceride mixture. ....................................57
36. Micro-pyrolysis/methylation of canola oil sample, (A) with methylating
reagent and (B) without reagent. ................................................................57
37. Micropyrolysis/methylation of DPA to mDPA..............................................58
38. Pyrolysis/methylation of DPA. ....................................................................58
39. Total ion chromatogram of Bacillus subtilis micropyrolysis with and
without methylation reagent (same y-axis scale)........................................59
40. Total ion chromatograms of micropyrolysis/methylation products of
Pseudomonas fluorescens (A-C) and Bacillus subtilis (D-F). .....................60
41. Extracted ion chromatograms (m/z 74, 87) from the
micropyrolysis/methylation of Bacillus subtilis. ...........................................60
42. Comparison of m/z 87 extracted ion chromatograms from the
micropyrolysis/methylation of B. subtilis and P. fluorescens.......................61
43. TIC and mass spectrum of micropyrolysis/methylation products of C14,
16, 18 saturated fatty acids using Meth Elute reagent................................62
44. TIC and mass spectrum of micropyrolysis/methylation products of C14,
16, 18 saturated fatty acids using the Meth Prep II reagent. ......................62
45. Mass spectra of products detected in micropyrolysis (upper) and
micropyrolysis/methylation (lower) of DPA with TMAH...............................63
46. Micropyrolysis (A) and micropyrolysis/methylation (B) of viable Bacillus
anthracis sterne spores. .............................................................................64
47. Separation of C8-10 FAMEs using a microGC column (for details see
text). ...........................................................................................................66
48. Comparison of FAME separation using a microGC column (#026) and
nitrogen or air carrier. .................................................................................67
49. FAME separation using temperature ramped microGC column. ................68
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