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Pagină 1 din 289 rezultate
Educational gradients in the use of electronic cigarettes and heat-not-burn tobacco products in Japan.
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In addition to electronic cigarettes (e-cigarettes), tobacco companies have recently begun to sell heat-not-burn tobacco products, Ploom and iQOS in Japan. Previous research has reported an inverse association between combustible cigarette smoking and educational attainment, but little is known
Acute Effects of Heat-Not-Burn, Electronic Vaping, and Traditional Tobacco Combustion Cigarettes: The Sapienza University of Rome-Vascular Assessment of Proatherosclerotic Effects of Smoking ( SUR - VAPES ) 2 Randomized Trial.
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Background Little clinical research on new-generation heat-not-burn cigarettes ( HNBC ) in comparison with electronic vaping cigarettes ( EVC ) and traditional tobacco combustion cigarettes ( TC ) has been reported. We aimed to appraise the acute effects of single use of HNBC , EVC, and TC in
Comparative studies of the mutagenicity of environmental tobacco smoke from cigarettes that burn or primarily heat tobacco.
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The mutagenicity of particulate matter concentrated from environmental tobacco smoke (ETS) from a prototype cigarette that primarily heats tobacco was compared to that of four popular commercially available cigarettes that burn tobacco. ETS was generated by six individuals simultaneously smoking 1
IQOS - a heat-not-burn (HnB) tobacco product - chemical composition and possible impact on oxidative stress and inflammatory response. A systematic review.
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Objectives: This work attempts to summarize current knowledge about IQOS, the heat-not-burn tobacco products, their chemical composition and possible impact on oxidative stress and inflammatory response. Materials and Methods: The literature search was performed between January and
Cigarette smoke composition. Part 1. Limitations of FTC method when applied to cigarettes that heat instead of burn tobacco.
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The design of a new cigarette that heats rather than burns tobacco calls for modifications to the Federal Trade Commission (FTC) method for analytical smoking. These changes include eliminating sample conditioning at 75 degrees F and 60% RH, exercising greater care in lighting cigarettes, and
Free-Base Nicotine Is Nearly Absent in Aerosol from IQOS Heat-Not-Burn Devices, As Determined by 1H NMR Spectroscopy.
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Heat-not-burn products, eg, I quit ordinary smoking (IQOS), are becoming popular alternative tobacco products. The nicotine aerosol protonation state has addiction implications due to differences in absorption kinetics and harshness. Nicotine free-base fraction (αfb) ranges from 0 to 1.
Multi-omics Systems Toxicology Study of Mouse Lung Assessing the Effects of Aerosols From Two Heat-Not-Burn Tobacco Products and Cigarette Smoke
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Cigarette smoke (CS) causes adverse health effects and, for smoker who do not quit, modified risk tobacco products (MRTPs) can be an alternative to reduce the risk of developing smoking-related diseases. Standard toxicological endpoints can lack sensitivity, with systems toxicology approaches
Genetic toxicology studies comparing the activity of sidestream smoke from cigarettes which burn or only heat tobacco.
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The results of in vitro genetic toxicology studies of sidestream cigarette smoke (SSCS) from cigarettes which heat but do not burn tobacco were compared to those of sidestream smoke from cigarettes which burn tobacco. SSCSs from 5 cigarettes were compared. Three of the cigarettes, the Kentucky
Cigarette smoke composition. Part 2. Method for determining major components in smoke of cigarettes that heat instead of burn tobacco.
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A method is described for determining major constituents in the smoke of a cigarette that heats, but does not burn, tobacco. Dual, simultaneous separations are performed in a single gas chromatographic oven to determine water, glycerol, nicotine, and propylene glycol in a rapid and cost-effective
Invisible smoke: third-party endorsement and the resurrection of heat-not-burn tobacco products.
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BACKGROUND
Tobacco companies are introducing new 'heat-not-burn' cigarettes in dozens of countries. Historically, these products failed commercially, and independent researchers contested their health claims. The most prominent early heat-not-burn cigarette was RJ Reynolds's (RJR's) Premier,
Impact of nicotine/smoking, alcohol, and illicit substance use on outcomes and complications of burn patients requiring hospital admission: systematic review and meta-analysis.
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Burn patients admitted to the hospital with concurrent intoxication are believed to be at an increased risk of poor outcomes and the development of complications, however data varies within the literature and remains controversial. This systematic review and meta-analysis compared outcomes and
Analysis of cytogenetic effects in bone-marrow cells of rats subchronically exposed to smoke from cigarettes which burn or only heat tobacco.
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The genotoxic effects of 90-day nose-only exposures to smoke from new cigarettes, which heat but do not burn tobacco (New), or from reference cigarettes, which burn tobacco, were evaluated in Sprague-Dawley rats by examining the cytogenetic endpoints of sister-chromatid exchanges (SCE), chromosome
An Overview of iQOS ® as a New Heat-Not-Burn Tobacco Product and Its Potential Effects on Human Health and the Environment
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Tobacco smoke from regular cigarettes contains a number of harmful chemicals such as nicotine, arsenic, benzene, carbon monoxide, heavy metals, and tobacco-derived nitrosamines. About 1% of over 7000 chemical substances formed by burning tobacco are identified as the leading causes or possible risk
The influence of waste from electronic cigarettes, conventional cigarettes and heat-not-burn tobacco products on microorganisms.
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Tobacco smoking, especially conventional cigarettes, is widespread throughout the world. Simultaneously, there is a growing interest in new alternative products that allow delivering nicotine to the users' organisms, including electronic cigarettes and heat-not-burn tobacco products. However, there
The effect of cigarette burn time on exposure to nicotine and carbon monoxide in adult smokers.
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Cigarette burn time (CBT), conventionally defined as the time a cigarette burns during smoking, can be affected by cigarette design and smoking behavior. A previous study showed a strong negative correlation between CBT and nicotine yield under machine smoking conditions. This study for the first
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