Tobacco-specific N-nitrosamines (TSNA) include 4-(methylnitrosamino)-1-(3-pyridyl)-1-
butanone (NNK), N′-nitroso nornicotine (NNN), N′-nitroso anabasine (NAB) and N …

Tobacco-specific N-nitrosamines (TSNA) include 4-(methylnitrosamino)-1-(3-pyridyl)-1-
butanone (NNK), N-nitrosonornicotine (NNN), N-nitrosoanabasine (NAB) and N …

Introduction The tobacco-specific nitrosamines (TSNAs) are an important group of
carcinogens found in tobacco and tobacco smoke. To describe and characterize the levels …

Chemical-analytical studies during the past 4 years led to several new observa tions on the
formation of tobacco-specific A-nitrosamines (TSNA) and their occurrence in smokeless …

Tobacco-specific N-nitrosamines (TSNAs) are strong carcinogens widely found in tobacco
products, environmental tobacco smoke, lake, and wastewater. The main objective of this …

Background: Smokers are exposed to significant doses of carcinogens, including tobacco-
specific nitrosamines (TSNA). Previous studies have shown significant global differences in …

Background Smoke-free laws are expected to reduce smoking habits and exposure to
secondhand smoke. The objective of this study was the measurement of tobacco specific …

Introduction: Tobacco smoke contains more than 7,000 chemicals, including known
carcinogens, such as tobacco-specific nitrosamines (TSNAs). TSNA levels in cigarettes vary …

Tobacco-specific nitrosamines are believed to play a significant role as causes of cancer in
people who use tobacco products. Whereas the uptake of one tobacco-specific nitrosamine …

Tobacco-specific N-nitrosamines (TSNA) have been suggested by some scientists to play an
important role in tobacco smoke carcinogenesis. We have developed and validated an LC …