منابع مشابه
Investigation of Free Radicals in Cigarette Mainstream Smoke
Electron Paramagnetic Resonance spectroscopy (EPR) coupled with spin trapping methodology has been used to study the formation of free radicals in mainstream cigarette smoke. Kentucky reference cigarettes (2R4F) were smoked using a 20-port smok ing machine (Borgwaldt-kc) under ISO smoking conditions. Free radicals in both particulate phase and gas phase smoke were analysed. Short-lived Cand O-...
متن کاملTobacco-free homes for tobacco-free generations: establishing positive smoke-free role models for youth.
Nowadays, many European Countries have enforced laws to ban smoking in enclosed public places and in workplaces and thus protection from the effects of passive smoking has improved. However, passive smoking is still present not only in outdoor environments, such as parks, beaches, sport stadiums, hospital and university grounds, outdoor areas of bars and restaurants, but also in homes and priva...
متن کاملCigarette smoke radicals and the role of free radicals in chemical carcinogenicity.
This article consists of two parts: a brief overview of the ways in which free radicals can be involved in chemical carcinogenesis, and a review of cigarette smoke chemistry. Carcinogenesis is generally agreed to involve at least three stages: initiation, promotion, and progression. It is suggested that radicals sometimes are involved in the initiation step, either in the oxidative activation o...
متن کاملEnvironmental Tobacco Smoke Exposure and Smoke-Free Rules in Homes among Socially-Disadvantaged Populations in Poland
This study aims to examine the prevalence of exposure to environmental tobacco smoke (ETS) in homes among socially-disadvantaged populations in Poland, along with the prevalence and correlates of voluntary implementation of smoke-free home rules. Data concerning 1617 respondents from a cross-sectional study completed in the Piotrkowski District were used, which was part of the "Reducing Social ...
متن کاملReduction of secondhand tobacco smoke in public places following national smoke-free legislation in Uruguay.
BACKGROUND Smoke-free legislation eliminating tobacco smoke in all indoor public places and workplaces is the international standard to protect all people from exposure to secondhand smoke. Uruguay was the first country in the Americas and the first middle-income country in the world to enact a comprehensive smoke-free national legislation in March 2006. OBJECTIVE To compare air nicotine conc...
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ژورنال
عنوان ژورنال: Nature
سال: 1971
ISSN: 0028-0836,1476-4687
DOI: 10.1038/229500a0