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. Author manuscript; available in PMC: 2011 Dec 1.
Published in final edited form as: JALA Charlottesv Va. 2010 Dec;15(6):433–439. doi: 10.1016/j.jala.2010.06.004

Figure 3.

Figure 3

Low temperature plasma ionization. (a) Schematic setup of the LTP probe. Adapted with permission from ref. 12. (b) Detection of 1 ug cocaine on a human finger. Adapted with permission from ref. 12.