Zobrazeno 1 - 10
of 166
pro vyhledávání: '"Clifford H Watson"'
Autor:
Robert E Tyx, Angel J Rivera, Glen A Satten, Lisa M Keong, Peter Kuklenyik, Grace E Lee, Tameka S Lawler, Jacob B Kimbrell, Stephen B Stanfill, Liza Valentin-Blasini, Clifford H Watson
Publikováno v:
PLoS ONE, Vol 17, Iss 5, p e0267104 (2022)
BackgroundSmokeless tobacco (ST) products are widely used throughout the world and contribute to morbidity and mortality in users through an increased risk of cancers and oral diseases. Bacterial populations in ST contribute to taste, but their prese
Externí odkaz:
https://doaj.org/article/1ecb3848ca50441a83426722e5123a19
Autor:
Tameka S Lawler, Stephen B Stanfill, Hang T Tran, Grace E Lee, Patrick X Chen, J Brett Kimbrell, Joseph G Lisko, Carolina Fernandez, Samuel P Caudill, B Rey deCastro, Clifford H Watson
Publikováno v:
PLoS ONE, Vol 15, Iss 1, p e0227837 (2020)
INTRODUCTION:Snus is an oral tobacco product that originated in Sweden. Snus products are available as fine-cut loose tobacco or in pre-portioned porous "pouches." Some snus products undergo tobacco pasteurization during manufacturing, a process that
Externí odkaz:
https://doaj.org/article/629bfd8a40e1414494bfde91eca08ec7
Autor:
Robert E Tyx, Stephen B Stanfill, Lisa M Keong, Angel J Rivera, Glen A Satten, Clifford H Watson
Publikováno v:
PLoS ONE, Vol 11, Iss 1, p e0146939 (2016)
The bacterial communities present in smokeless tobacco (ST) products have not previously reported. In this study, we used Next Generation Sequencing to study the bacteria present in U.S.-made dry snuff, moist snuff and Sudanese toombak. Sample divers
Externí odkaz:
https://doaj.org/article/f3a5e50231184362b246077239b0e06c
Autor:
Christina Vaughan Watson, June Feng, Liza Valentin-Blasini, Rayman Stanelle, Clifford H Watson
Publikováno v:
PLoS ONE, Vol 11, Iss 7, p e0159126 (2016)
Ammonia in mainstream smoke is present in both the particulate and vapor phases. The presence of ammonia in the cigarette filler material and smoke is of significance because of the potential role ammonia could have in raising the "smoke pH." An incr
Externí odkaz:
https://doaj.org/article/609d6589091d4dcbab9b7a1b1ec2a357
Publikováno v:
Toxics, Vol 12, Iss 1, p 65 (2024)
The designs and liquid formulations of Electronic Nicotine Delivery System (ENDS) devices continue to rapidly evolve. Thus, it is important to monitor and characterize ENDS aerosols for changes in toxic constituents. Many ENDS liquid formulations now
Externí odkaz:
https://doaj.org/article/1a6462bd739949fc8158c6d434c38734
Autor:
David L. Ashley, Wanzhe Zhu, Clifford H. Watson, Roberto Bravo, Phuong K. Ngac, Liza Valentin-Blasini, Wallace B. Pickworth, Allison N. Kurti, Colin Cunningham, Benjamin C. Blount
Publikováno v:
Chemical Research in Toxicology. 36:43-52
Little filtered cigars are tobacco products with many cigarette-like characteristics. However, despite cigars falling under the U.S. Food and Drug Administration regulatory authority, characterizing flavors, which are still allowed in little filtered
Publikováno v:
Lett Appl Microbiol
The most alarming aspect of the Sudanese toombak smokeless tobacco is that it contains high levels of highly toxic tobacco-specific nitrosamines (TSNAs). Understanding the microbiology of toombak is of relevance because TSNAs are an indirect result o
Publikováno v:
Chem Res Toxicol
A method for determining the fraction of free-base nicotine (α(fb)) in electronic cigarette liquids (“e-liquids”) based on headspace solid-phase microextraction (h-SPME) is described. The free-base concentration c(e,fb) = α(fb)c(e,T), where c(e
Publikováno v:
Chemical Research in Toxicology. 34:1713-1717
Two-tail t test statistical analyses of International Organization for Standardization nonintense and Canadian Intense mainstream smoke yields of total particulate matter, tar, nicotine, and carbon monoxide from cigarettes show that mean quantities a
Autor:
Robert E. Tyx, Kristy L. Marynak, Liza Valentin-Blasini, Brian A. King, Wanzhe Zhu, Stephen B. Stanfill, Hang Tran, Carolina Fernandez, Benjamin C. Blount, Clifford H. Watson
Publikováno v:
Nicotine & Tobacco Research. 23:1590-1596
Introduction Nicotine pouch products, oral smokeless products that contain nicotine but no tobacco leaf material, have recently entered the US marketplace. Available data indicate sales of these products in the United States have increased since 2018