TSRC, Tob. Sci. Res. Conf., 2022, 75, abstr. 00 (Symposium) Changes in the tobacco industry: 75 years of TSRC WILLIAMSON F. Global Laboratory Services, Wilson, NC, USA Abstract not available....
TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 058 USP elemental impurities: limit test for metals in nicotine by ICP-MS LOTFI H.; ARROYO M. Global Laboratory Services, Wilson, NC, USA Nicotine included in e-cigarette formulations usually originates as a 90%+ solution, which is purified further prior to use. While the FDA oversees the tobacco industry, there is currently little regulation regarding the quality of raw materials or...
TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 109 An improved method for the determination of sodium propionate in tobacco products WILLIAMSON F.; BAILEY J. Global Laboratory Services, Wilson, NC, USA Sodium propionate is a preservative with fungicidal properties that is often added to tobacco, primarily smokeless tobacco products, to prolong shelf life. Several regulatory agencies, including Health Canada and ANVISA, require the testing of sodium...
CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 32 CPA residue levels in consecutive C48 cases of Oriental tobacco WESTBERG H.; SPENCER A. Global Laboratory Services, Wilson, NC, U.S.A. Crop protection agents (CPA) can be applied to tobacco at various stages of the production cycle and if CPA residues are present in the product, they can be topic of concern. After tobacco is processed it is normally packed into cases or bales for...
TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 48 Method development and validation of selected metals in e-liquid samples BROWN J. Global Laboratory Services, Inc., Wilson, NC USA Over the past several years, the use of electronic cigarettes and devices has increased. Analysis of Harmful and Potentially Harmful Constituents is at a forefront in both the conventional and electronic cigarette industries. The analysis of various...
TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 08 Comparison of auto analyzer methods: discrete vs continuous flow. THURSTON D. Global Laboratory Services, Inc., Wilson, NC, USA Chloride, Sugar, Alkaloids, and Nitrate results were compared using a discrete analyzer and a continuous flow auto analyzer. The new generation discrete analyzers are more automated than the continuous flow auto analyzers. In our initial assessment,...
TSRC, Tob. Sci. Res. Conf., 2009, 63, abstr. 10 TSNA method comparison using UHPLC-MS/MS MATHIS J.A.; PO YING YEUNG Global Laboratory Services, Wilson, NC, USA. Method development and optimization was performed for the quantification of tobacco specific nitrosoamines (TSNAs) in tobacco leaf. The objective was to shorten run time and compare the new method to the previous method. The evaluation of method...
TSRC, Tob. Sci. Res. Conf., 2008, 62, abstr. 16 Characterization of the mainstream and the sidestream cigarette smoke simultaneously generated using automated cigarette smoke exposure system MIKHEEV V.; HITCHMAN A.; RHOADS R. Battelle Toxicology Northwest, Richland, WA 99354 USA Mainstream (MS) and sidestream (SS) smoke of 3R4F reference cigarettes was simultaneously generated using a modified JB-2070i smoking machine and directed to the two different exposure carousels. Three target exposure concentrations within the range...
CORESTA Congress, Kyoto, 2004, SSPOST 03 Evaluation of cytotoxicity and mutagenicity of cigarette smoke in primary mouse lymphocytes MENG Q.R.; REDETZKE D.; CLARK M.; FORSYTHE B. Battelle Toxicology Northwest, Richland, WA, USA The purpose of this study was to investigate the feasibility of an in vitro T-cell cloning assay for evaluation of the cytotoxicity and mutagenicity of fresh cigarette smoke. Smoke was generated from 2R4F cigarettes using an AMESA smoke generation...
Bull. Spec. CORESTA Congress, Manila, 1980, p. 56, A07, ISSN.0525-6240 Results of recent research relative to the tobacco sucker control by genetic means BOLSUNOV I. Tobacco Institute, Furstenfeld, Austria It is suggested that the most economical way to solve the problem of sucker control is represented by the creation of tobacco cultivars with a very limited tendency to produce suckers. Several years of research carried out by the author on N. tabacum...