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Abstract Title:

E-cigarettes as a source of toxic and potentially carcinogenic metals.

Abstract Source:

Environ Res. 2016 Oct 27 ;152:221-225. Epub 2016 Aug 27. PMID: 27810679

Abstract Author(s):

Catherine Ann Hess, Pablo Olmedo, Ana Navas-Acien, Walter Goessler, Joanna E Cohen, Ana Maria Rule

Article Affiliation:

Catherine Ann Hess

Abstract:

BACKGROUND AND AIMS: The popularity of electronic cigarette devices is growing worldwide. The health impact of e-cigarette use, however, remains unclear. E-cigarettes are marketed as a safer alternative to cigarettes. The aim of this research was the characterization and quantification of toxic metal concentrations in five, nationally popular brands of cig-a-like e-cigarettes.

METHODS: We analyzed the cartomizer liquid in 10 cartomizer refills for each of five brands by Inductively Coupled Plasma Mass Spectrometry (ICP-MS).

RESULTS: All of the tested metals (cadmium, chromium, lead, manganese and nickel) were found in the e-liquids analyzed. Across all analyzed brands, mean (SD) concentrations ranged from 4.89 (0.893) to 1970 (1540)μg/L for lead, 53.9 (6.95) to 2110 (5220) μg/L for chromium and 58.7 (22.4) to 22,600 (24,400) μg/L for nickel. Manganese concentrations ranged from 28.7 (9.79) to 6910.2 (12,200) μg/L. We found marked variability in nickel and chromium concentration within and between brands, which may come from heating elements.

CONCLUSION: Additional research is needed to evaluate whether e-cigarettes represent a relevant exposure pathway for toxic metals in users.

Study Type : In Vitro Study

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