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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Nasreen, Syeda Afridi, Hassan Imran Arain, Sadaf Sadia Arain, Jamshed Bashir Kazi, Atif Gul Kazi, Tasneem Gul Brahman, Kapil Dev |
| Spatial Coverage | Pakistan |
| Description | Author Affiliation: Arain SS ( National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan, ssadiashafi@gmail.com.) |
| Abstract | Oropharyngeal cancer is a significant public health issue in the world. The incidence of oropharyngeal cancer has been increased among people who have habit of chewing smokeless tobacco (SLT) in Pakistan. The aim of present study was to evaluate the concentration of nickel (Ni) in biological samples (whole blood, serum) of oral (n = 95) and pharyngeal (n = 84) male cancer patients. For comparison purposes, the biological samples of healthy age-matched referents (n = 150), who consumed and did not consumed SLT products, were also analyzed for Ni levels. As the Ni level is very low in biological samples, a preconcentration procedure has been developed, prior to analysis of analyte by flame atomic absorption spectrometry (FAAS). The Ni in acid-digested biological samples was complexed with ammonium pyrrolidinedithio carbamate (APDC), and a resulted complex was extracted in a surfactant Triton X-114. Acidic ethanol was added to the surfactant-rich phase prior to its analysis by FAAS. The chemical variables, such as pH, amounts of reagents (APDC, Triton X-114), temperature, incubation time, and sample volume were optimized. The resulted data indicated that concentration of Ni was higher in blood and serum samples of cancer patients as compared to that of referents who have or have not consumed different SLT products (p = 0.012-0.001). It was also observed that healthy referents who consumed SLT products have two to threefold higher levels of Ni in both biological samples as compared to those who were not chewing SLT products (p < 0.01). |
| ISSN | 09441344 |
| Issue Number | 20 |
| Volume Number | 21 |
| e-ISSN | 16147499 |
| Journal | Environmental Science and Pollution Research |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2014-10-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Nickel Blood Oropharyngeal Neoplasms Spectrophotometry, Atomic Methods Tobacco, Smokeless Adult Demography Humans Male Mastication Middle Aged Odds Ratio Pakistan Risk Factors Serum Journal Article Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine |
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