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. Author manuscript; available in PMC: 2014 Dec 17.
Published in final edited form as: Anal Chem. 2013 Nov 22;85(24):11843–11850. doi: 10.1021/ac4025279

Figure 5.

Figure 5

(a)Noninvasive sampling probe with the gas flow pulled by a diaphragm pump, 1 m long 1/16″ i.d. Tygon tubing, pure water as spray solvent, spray voltage of 0V, gas flow rate from sprayer at 3.8 L/min.(b) Comparison of the surfaces of rat kidneys after sampling without (left) and with (right) the diaphragm pump. (d) Contour maps with streamlines simulated for sampling without (left) and with (right) the diaphragm pump. (e) Pressure distribution along the radius on the sampled surface for sampling without (left) and with (right) the diaphragm pump.