The prevalence of Green Tobacco Sickness (GTS) among shade tobacco farmworkers in Connecticut is unknown. We conducted a study to determine the prevalence of GTS in farmworkers working in shade tobacco fields who presented for clinical care at medical student-run clinics. A retrospective chart review of the tobacco workers seen at Farmworkers' Clinics during 2001 was instituted in this study. Although GTS was not clinically diagnosed in any of the patients, we found 15% diagnoses that could be attributed to possible GTS by ICD-9 code review. Using a stricter GTS case definition, the frequency rate decreased to 4%. Nonsmokers were significantly more likely than smokers to report GTS-like symptoms (P < 0.01). Isolated symptoms of headache and dizziness were significantly more frequent among nonsmokers than smokers (P < 0.05). In conclusion, cases of possible GTS were found in Connecticut shade tobacco workers. Nonsmokers were more at risk to have possible GTS than smokers.
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http://dx.doi.org/10.1097/01.jom.0000071504.96740.ab | DOI Listing |
PeerJ
December 2024
Department of Prosthetic Dental Sciences, College of Dentistry, King Saud University, Riyadh, Saudi Arabia.
Background: Cigarette smoking is the most common form of tobacco use worldwide. With the frequent introduction of new dental materials, the effect of smoking on their optical properties such as long term color stability, should to be thoroughly investigated.
Objective: This study aims to investigate the effect of smoking on the optical properties of contemporary dental ceramics used currently for restoration of teeth.
Front Plant Sci
July 2024
Haikou cigar Research Institute, Hainan Provincial Branch of China National Tobacco Corporation, Haikou, China.
BMC Oral Health
July 2024
Faculty of Dentistry, The British University in Egypt, Cairo, Egypt.
Objective: To determine the effects of conventional cigarette smoking (CS) and recent heated tobacco products (HTPs) on the surface roughness and color stability of different indirect restorative materials.
Materials And Methods: One hundred disc-shaped samples were constructed of three different restorative CAD/CAM materials: lithium disilicate glass-ceramic (IPS e.max CAD; Ivoclar Vivadent, Liechtenstein), zirconia (BruxZir® Zirconia, Glidewell, USA) and polyetheretherketone (BioHPP® bredent GmbH, Germany).
Sci Rep
May 2024
Key Laboratory of Plant Resources Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), College of Life Sciences, Institute of Agro-Bioengineering, Guizhou University, Guiyang, 550025, China.
Peptide deformylase can catalyse the removal of formyl groups from the N-terminal formyl methionine of the primary polypeptide chain. The peptide deformylase genes of a few herbaceous plants have been studied to some extent, but the peptide deformylase genes of woody plants have not been studied. In this study, we isolated EuPDF1B from Eucommia ulmoides Oliv.
View Article and Find Full Text PDFAdv Sci (Weinh)
May 2024
Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, 230031, China.
Advancing a metal-free room temperature phosphorescent (RTP) material that exhibits multicolor emission, remarkable RTP lifetime, and high quantum yield still faces the challenge of achieving intersystem crossing between singly and triplet excited states, as well as the rapid decay of triplet excited states due to nonradiative losses. In this study, a novel strategy is proposed to address these limitations by incorporating o-phenylenediamine, which generates multiple luminescent centers, and long-chain polyacrylic acid to synthesize carbonized polymer dots (CPDs). These CPDs are then embedded in a rigid BO matrix, effectively limiting nonradiative losses through the synergistic effects of polymer cross-linking and the rigid matrix.
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