Results 11 to 20 of about 121,345 (281)

Effect of tobacco outlet density on quit attempts in Korea: a multi-level analysis of the 2015 Korean Community Health Survey [PDF]

Epidemiology and Health, 2021
OBJECTIVES This study aimed to examine whether the regional density of tobacco outlets in Korea was associated with the likelihood of attempting to quit among smokers METHODS This study was designed as a secondary data analysis of a cross-sectional study.
Jaehyung Kong, Sung-il Cho
doaj   +1 more source

Pure Ion Chromatograms Combined with Advanced Machine Learning Methods Improve Accuracy of Discriminant Models in LC–MS-Based Untargeted Metabolomics

Molecules, 2021
Untargeted metabolomics based on liquid chromatography coupled with mass spectrometry (LC–MS) can detect thousands of features in samples and produce highly complex datasets. The accurate extraction of meaningful features and the building of discriminant
Miao Tian, Zhonglong Lin, Xu Wang, Jing Yang, Wentao Zhao, Hongmei Lu, Zhimin Zhang, Yi Chen   +7 more
doaj   +1 more source

Chemical and in vitro toxicological comparison of emissions from a heated tobacco product and the 1R6F reference cigarette

Toxicology Reports, 2023
It has previously been found that, compared with cigarette smoke, the aerosols generated by heated tobacco products contain fewer and lower harmful and potentially harmful constituents (HPHCs) and elicit lower biological activity in in vitro models and ...
Tsuneo Hashizume, Shinkichi Ishikawa, Kazushi Matsumura, Shigeaki Ito, Toshiro Fukushima   +4 more
doaj   +1 more source

Effects of aerosols from heated tobacco products with flavors on the discoloration of bovine tooth enamel

Clinical and Experimental Dental Research, 2023
Objectives This in vitro study assessed the potential of tooth discoloration by aerosols generated from three heated tobacco products (HTPs) with different specifications: in‐direct heating tobacco system platform 1.0a (IT1.0a), in‐direct heating tobacco
Takeshi Kurachi, Shinnosuke Chuman, Takuya Suzuki, Terushige Kubota, Shinkichi Ishikawa   +4 more
doaj   +1 more source

Qualitative determination of volatile substances in different flavored cigarette paper by using headspace-gas chromatography-ion mobility spectrometry (HS-GC-IMS) combined with chemometrics

Heliyon, 2023
In order to investigate the difference of volatile substances among flavored cigarette paper, which are supplied by several manufacturers with different batches, the stability of the complex system of scented cigarette paper was analyzed and evaluated ...
Chao Li, Senlin Tian, Junheng You, Jinyun Liu, E’xian Li, Chunqiong Wang, Qinghua Wang, Zijian Zhu, Duoqing Fan, Runtao Tian   +9 more
doaj   +1 more source

Novel biomarker genes which distinguish between smokers and chronic obstructive pulmonary disease patients with machine learning approach

BMC Pulmonary Medicine, 2020
Background Chronic obstructive pulmonary disease (COPD) is combination of progressive lung diseases. The diagnosis of COPD is generally based on the pulmonary function testing, however, difficulties underlie in prognosis of smokers or early stage of COPD
Kazushi Matsumura, Shigeaki Ito
doaj   +1 more source

Are smokeless tobacco products less harmful than smoking tobacco products?

SRM Journal of Research in Dental Sciences, 2022
Background: The common belief amongst the consumers of smokeless tobacco products is Smokeless Tobacco Products (STPs) are not hazardous as smoking tobacco. Any form of tobacco consumed is addictive and the nicotine absorbed from these products is manifold higher than the nicotine produced and delivered from a cigarette.
Monika Srivastav, Thayalan Dinesh Kumar, Elizabeth C Dony   +2 more
openaire   +2 more sources

A 3D epithelial–mesenchymal co-culture model of human bronchial tissue recapitulates multiple features of airway tissue remodeling by TGF-β1 treatment

Respiratory Research, 2017
Background The collagen gel contraction assay measures gel size to assess the contraction of cells embedded in collagen gel matrices. Using the assay with lung fibroblasts is useful in studying the lung tissue remodeling process in wound healing and ...
Shinkichi Ishikawa, Kanae Ishimori, Shigeaki Ito   +2 more
doaj   +1 more source

Cerebral Cortical Vasodilation via Nicotinic Receptors by Heated Tobacco Product Aerosol Extract in Rats.

J Vasc Res
Uchida S, Moriya J, Morihara D, Shimura M, Kagitani F.   +4 more
europepmc   +2 more sources

Reducing tobacco addiction through tobacco product regulation [PDF]

Tobacco Control, 2004
Tobacco product regulation has the potential to help reduce tobacco attributable disease by reducing the toxicity of these products and by reducing the prevalence of tobacco use and ...
Henningfield, JE, Benowitz, NL, Connolly, GN, Davis, RM, Gray, N, Myers, ML, Zeller, M   +6 more
openaire   +4 more sources