Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Xizheng Yan"'
Autor:
Xizheng, Yan1, Valentín-Blasini, Liza1, Watson, Clifford1, Cardenas, Roberto Bravo1 rbravo@cdc.gov
Publikováno v:
Contributions to Tobacco Research. Dec2018, Vol. 28 Issue 4, p170-178. 9p.
Autor:
José J. Pérez, Yan S. Ding, Magaly Mendez, Matthew R. Holman, Xizheng Yan, Roberto Bravo Cardenas, Julie A. Morabito, Dana L. Chafin, Clifford H. Watson, Michele Chan
Publikováno v:
Regulatory Toxicology and Pharmacology. 86:117-127
Carbonyls are harmful and potentially harmful constituents (HPHCs) in mainstream cigarette smoke (MSS). Carbonyls, including formaldehyde and acrolein, are carcinogenic or mutagenic in a dose-dependent manner. Past studies demonstrate significant red
Autor:
Pamela I. Clark, David M. Chambers, Xizheng Yan, Patricia Richter, Clifford H. Watson, B Rey de Castro, Jennifer L. Potts, Joan M. McCraw, Christina Vaughan Watson, Connie S. Sosnoff
Publikováno v:
American Journal of Health Behavior. 41:309-319
Objective Our objective was to improve understanding of the differences in use behavior and exposure when smoking menthol and non-menthol cigarettes using a 2-part cross-over design. Methods Adult daily smokers were assigned randomly to alternate bet
Autor:
Jared Hughes, Michele Chan, Xizheng Yan, Wayne Chen, Morgan Larango, Liqin Zhang, Roberto Bravo, Patricia Richter, Liza Valentin-Blasini, Patrick Chen, Sydney Holmberg, Shakia Smith, José J. Pérez, Clifford H. Watson, Bryan A. Hearn, Joshua Wong, Yan S. Ding
Publikováno v:
Tobacco Regulatory Science. 3:81-94
OBJECTIVE Our objective was to characterize mainstream smoke constituent deliveries from SPECTRUM variable nicotine research cigarettes under 2 machine smoking regimens. SPECTRUM cigarettes are manufactured by the 22nd Century company for the Nationa
Publikováno v:
Chemical Research in Toxicology. 29:125-131
Carbonyls, especially aldehydes, are a group of harmful volatile organic compounds that are found in tobacco smoke. Seven carbonyls are listed on the FDA’s harmful and potential harmful constituents list for tobacco or tobacco smoke. Carbonyls have
Autor:
Xizheng Yan, Clifford H. Watson, Gregory M. Polzin, Liqin Zhang, Bryan A. Hearn, Liza Valentin-Blasini
Publikováno v:
Nicotine & Tobacco Research. 17:1324-1330
INTRODUCTION We developed a high throughput method for estimating smoker's mainstream smoke intake on a per-cigarette basis by analyzing discarded cigarette butts. This new method utilizes ultraviolet/visible (UV-Vis) spectrophotometric analysis of i
Autor:
Xizheng Yan, David Hammond, David L. Ashley, Gary A. Giovino, Geoffrey T. Fong, Lion Shahab, Joan M. McCraw, John T. Bernert, Clifford H. Watson, Richard J O'Connor, Ram B. Jain, Bill King, Gregory M. Polzin, Yang Xia, Dorothy K. Hatsukami, Ann McNeill, Liqin Zhang, K. Michael Cummings
Publikováno v:
Cancer Epidemiology, Biomarkers & Prevention. 19:1389-1398
Background: Smokers are exposed to significant doses of carcinogens, including tobacco-specific nitrosamines (TSNA). Previous studies have shown significant global differences in the levels of TSNAs in cigarette smoke because of the variation in toba
Autor:
Clifford H. Watson, Shadeed Abdul-Salaam, Gregory M. Polzin, David L. Ashley, Xizheng Yan, Liqin Zhang, Joan M. McCraw, Weijia Wu, Ameer D. Tavakoli
Publikováno v:
Nicotine & Tobacco Research. 11:868-874
INTRODUCTION Standardized machine smoking measurements are poor predictors of exposure. We have refined a method using the solanesol deposited in discarded cigarette butts as a marker for estimating deliveries of mainstream smoke constituents. Develo
Autor:
Watson, Christina Vaughan, Richter, Patricia, Rey de Castro, B., Sosnoff, Connie, McCraw, Joan, Xizheng Yan, Chambers, David, Watson, Clifford, Potts, Jennifer, Clark, Pamela
Publikováno v:
American Journal of Health Behavior; May/Jun2016, Vol. 41 Issue 3, p309-319, 11p
Autor:
Ding, Yan S., Richter, Patricia, Hearn, Bryan, Liqin Zhang, Bravo, Roberto, Xizheng Yan, Perez, Jose J., Chan, Michele, Hughes, Jared, Chen, Patrick, Chen, Wayne, Joshua Wong, Holmberg, Sydney, Smith, Shakia, Larango, Morgan, Valentín-Blasini, Liza, Watson, Clifford H.
Publikováno v:
Tobacco Regulatory Science; Jan-Mar2017, Vol. 3 Issue 1, p81-94, 14p