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M and detection limits of 6.0 and 8.0 μM for Nic/TPB and Nic/NB, respectively. The sensors revealed a constant response over the pH range 3.5-6.5. The designed sensors provided a portable, inexpensive, and disposable way of measuring trace levels of nicotine coming from different cigarettes and in the collected human sweat of heavy smokers. All results were compared favorably with those obtained by the standard gas chromatographic method.
Amr et al. (Thu,) studied this question.