Nornicotine is a tobacco alkaloid and nicotine metabolite. Since virtually all tobacco products contain nornicotine, smoking or chewing tobacco exposes the user to this nicotine alkaloid. In urine testing by GC/MS or LC/MS, nornicotine is used as an indicator of smoking or use of chewing tobacco or nicotine replacement products.
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The goal of the present study is to examine the agonist action of nornicotine on insect nicotinic acetylcholine receptors. Using patch-clamp techniques on cockroach dorsal unpaired median neurons, we demonstrated that nornicotine induced two distinct ionic currents named types 1
Therapeutic drug monitoring, 33(1), 80-85 (2010-12-31)
Umbilical cord tissue was studied as a means of detecting prenatal exposure to nicotine. This was accomplished by comparing the presence and concentration of nicotine as well as nicotine metabolites in both umbilical cord tissue and paired meconium samples with
Biochimica et biophysica acta, 1794(2), 282-290 (2008-11-18)
alpha-synuclein is a small presynaptic protein (14,460 D) that is abundantly distributed in the brain. Although, its function is unknown, the aggregated form of alpha-synuclein is a pathological hallmark of several neurodegenerative diseases, including Parkinson's disease (PD). Epidemiological studies have
There has been no previous assessment of the level of nicotine exposure in companion animals as a result of passive smoking. A method was developed for the determination of nicotine in dog hair where extraction was carried out by sonication
The Journal of biological chemistry, 287(51), 42804-42811 (2012-10-27)
Nicotine and its N-demethylation product nornicotine are two important alkaloids in Nicotiana tabacum L. (tobacco). Both nicotine and nornicotine have two stereoisomers that differ from each other at 2'-C position on the pyrrolidine ring. (S)-Nicotine is the predominant form in
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