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Quantifying of thallium in Shilajit and its supplements to unveil the potential risk of consumption of this popular traditional medicine.
BMC Chem
January 2025
Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, 98135-674, Iran.
Shilajit, a natural substance used in traditional and modern medicine, has gained prominence as a vital component in dietary supplements. Concerns regarding its use in complementary medicine have arisen due to limited information regarding its composition. Considering thallium's well-known toxicity, this study employs flow - injection differential-pulse anodic stripping voltammetry to accurately quantify thallium in natural Shilajit and Shilajit-based commercial supplements from various regions.
View Article and Find Full Text PDFRapid Determination of Toxic Trace Metals As, Hg, Tl, and Pb in Hair by Monochromatic Excitation X-ray Fluorescence Spectrometry.
Biol Trace Elem Res
November 2024
Institute of Forensic Science, Ministry of Public Security, Beijing, 100038, China.
Article Synopsis
- - Monochromatic excitation X-ray fluorescence (ME-XRF) is a new technique that offers a simple, quick, and efficient way to analyze trace elements, particularly in forensic toxicology for detecting toxic metals in biological samples.
- - This study introduces a method using ME-XRF to rapidly measure arsenic, mercury, thallium, and lead in hair, with low detection limits established for each metal.
- - The method showed high precision with low variability in results across multiple analyses and was successfully validated by testing hair samples from poisoned animals, confirming its practical use in forensic investigations.
Impact of metals exposure on lung function and serum club cell secretory protein among schoolchildren: A mixture and mediation analysis.
J Hazard Mater
December 2024
State Key Laboratory of Trauma and Chemical Poisoning, National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing, China; Key Laboratory of Chemical Safety and Health, National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing, China. Electronic address:
Article Synopsis
- Particulate matter (PM) and its toxic components contribute to respiratory issues in children, with club cell secretory protein (CC16) serving as a marker for lung injury.
- In a study involving 603 schoolchildren in China, urinary levels of thallium and iron were linked to a decrease in serum CC16, while cadmium showed an unexpected increase in CC16 levels.
- The findings suggest that lower levels of urinary metal mixtures correlate with reduced CC16, and that CC16 plays a role in the relationship between thallium exposure and lung function decline, highlighting the impact of PM-related metals on lung health.
[Determination of 22 elements in whole blood by inductively coupled plasma mass spectrometry].
Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi
September 2024
School of Public Health, Guangxi Medical University, Nanning 530021, China.
Article Synopsis
- A new method using inductively coupled plasma mass spectrometry (ICP-MS) was developed to simultaneously measure 22 elements in whole blood, including metals like iron and lead.
- The method involved optimizing various analysis conditions, diluting blood samples with specific chemicals, and centrifuging them before measurement.
- Results showed strong linear relationships for element detection, with limits of detection and good precision, making it a quick and efficient option for clinical testing of multiple blood elements.
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