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Electrochemical sensor based on tadpole-shaped Au nanostructures supported on TiO: Enhanced detection of nicotine in electronic cigarettes and clinical samples.
Talanta
January 2025
Ampere - Laboratório de Plataformas Eletroquímicas. Departamento de Química, Universidade Federal de Santa Catarina, 880400-900, Florianópolis, SC, Brazil. Electronic address:
Nicotine (NIC) detection is vital for monitoring its presence in various environments, including tobacco products, electronic cigarettes, and clinical samples; NIC's widespread use and health implications necessitate precise and reliable detection methods as it is linked to diseases such as lung cancer and vascular disorders. In this study, we developed and characterized Au tadpole-like nanostructures immobilized onto titanium oxide (TiO) to provide a cost-effective and sensitive NIC detection material. The comprehensive characterization of the composite used transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and X-ray diffraction (XRD), showing the robustness of the synthesis.
View Article and Find Full Text PDFEffect of coenzyme Q10 on tibial fracture resistance in nicotine-exposed rats.
PLoS One
January 2025
Division of Periodontics, Department of Diagnosis and Surgery, UNESP, São Paulo State University "Júlio de Mesquita Filho", Araçatuba, Brazil.
The study aimed to evaluate the potential protection against fractures of oral Q10 supplementation in the tibias of rats exposed to nicotine. Nicotine is known to negatively impact bone density and increase the risk of fractures, in addition to affecting other systems such as the gastrointestinal system, impairing its absorption capacity, negatively affecting bone health. To investigate this, eighty male rats were divided into four groups (n = 20) receiving either nicotine hemisulfate or saline solution (SS) for 28 days.
View Article and Find Full Text PDFThe effect of cut sizes and pH of tobacco leaf in smokeless tobacco products on the pharmacokinetics of nicotine.
Drug Chem Toxicol
November 2024
Beijing Life Science Academy, Beijing, China.
The absorption of nicotine from smokeless tobacco products (STPs) in humans is affected by various factors, including nicotine content, flavoring compounds, cutting format, tobacco cut sizes, and pH. In this study, participants were asked to use STP 1 for a specific period, after which the nicotine content was measured before and after use to determine the release rate using the . Blood samples were collected from participants after 30 min of using STP 1 to assess nicotine pharmacokinetics.
View Article and Find Full Text PDFAn Increase in the Rigidity of the Environment Favors MLCT over the MC State in [Ru(bpy)(Nicotine)](Cl): A Case Study of Photolabile Ligands.
J Phys Chem A
January 2025
Institute of Physical Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, Jena 07743, Germany.
Ru(II)-complexes with photolabile ligands find a wide range of applications, e.g., in drug release and in the design of light-responsive interfaces.
View Article and Find Full Text PDFReduction of tobacco alkaloid bioaccumulation in pea shoots: A comparative study of biochar derived from cow dung and maize straw.
Chemosphere
November 2024
Marine Agriculture Research Center, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, 266101, China. Electronic address:
Tobacco alkaloids in tobacco-cultivated soils pose potential risks for succeeding crops, due to their allelopathy and toxicity. Effects of biochar on the dissipation of tobacco alkaloids in soil-crop systems remain poorly understood. In this study, a 40-day pot experiment was conducted to explore the effect of cow dung biochar (CDBC) and maize straw biochar (MSBC) on the uptake of nicotine and nornicotine by pea (Pisum sativum L.
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