While hair samples are easier to collect and less expensive to store and transport than
biological fluids, and hair nicotine characterizes tobacco exposure over a longer time period …

This article provides an overview of the hair nicotine biomarker for assessment of exposure
to tobacco smoke, with emphasis on environmental tobacco smoke (ETS). Measurement of …

The development of strategies to address the growing worldwide burden of exposure to
secondhand smoke (SHS) would be facilitated by sensitive and accurate methods for …

Abstract Introduction: In the United States, race/ethnicity is a strong determinant of tobacco
use patterns, biomarkers of tobacco smoke components and metabolites, and likelihood of …

In this pilot study, we examined the validity and usefulness of hair nicotine–cotinine
evaluation as a biomarker of monitoring exposure to tobacco. Head hair samples were …

A gas chromatographic/mass spectrometric method for analysis of nicotine in scalp hair and
measurements of nicotine in hair from 20 smokers and non‐smokers with a one year interval …

Study objective: The aim of this study was to compare the two biomarkers of exposure to
environmental tobacco smoke (ETS); urine cotinine and hair nicotine, using questionnaires …

Objectives Secondhand tobacco smoke (SHS) exposure causes several adverse physical
health outcomes. Conceptual differences in survey measures of 'psychosocial'(SHS …

Purpose: This study assesses the validity of hair nicotine as a biomarker for secondhand
smoke (SHS) exposure. Although most biomarkers of tobacco-smoke exposure have a …

A simple liquid chromatography–electrospray ionization mass spectrometry (LC-ESI-MS)
method for the determination of nicotine and cotinine in human hair was established. In the …