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Yuman Song and Hede Gong
This study aims to identify the differences in metabolites between Fructus Chebulae (FC) and Fructus Terminaliae Billericae (FTB). Untargeted metabolomics was used to analyze differentially expressed metabolites (DEMs) with ultra-performance liquid chrom...
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Taotao Zhao, Xinqiang Zhu, Hongshan Yang, Yonggang Wang, Feifan Leng and Xiaoli Wang
Volatile components are one key factor in sample identification, differential analysis, quality control and origin traceability. In order to identify and analyze the differences in volatile substances in different alfalfa seeds, this study used gas chrom...
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Abdulrahman Shuaibu, Robert M. Kalin, Vernon Phoenix, Limbikani C. Banda and Ibrahim Mohammed Lawal
The assessment of hydrochemical characteristics and groundwater quality is crucial for environmental sustainability in developing economies. This study employed hydrogeochemical analysis, geospatial analysis, and groundwater quality index to assess hydro...
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Mbuyamba Divin Mukendi and Nomvano Mketo
Fluoride ions are the major constituents of dental products because they prevent cavities through bacterial growth inhibition. However, excessive consumption of fluoride ions results in fluorosis, thereby causing tooth staining and roughness. Therefore, ...
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Lucyna Samek, Anna Rys, Jan Dudek, Zdzislaw Stegowski, Vânia Martins, Susana Marta Almeida and Katarzyna Styszko
PM10 samples were collected at the Kraków air quality traffic monitoring station during two periods: February?May 2018 and February?June 2020. The PM10 concentrations dropped by 50% from 74 ± 29 µg/m3 to 37 ± 13 µg/m3 in 2018 and 2020, respectively. The ...
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Yanqiong Liang, Weihuai Wu, Rui Li, Ying Lu, Guihua Wang, Shibei Tan, Helong Chen, Jingen Xi, Xing Huang, Chunping He and Kexian Yi
Brown rot disease caused by Pyrrhoderma noxium is a widespread disease that severely affects the roots of rubber trees (Hevea brasiliensis Muell. Arg.). The economic losses, along with environmental and health problems arising from the use of disease con...
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H. R. Robles-Jimarez, N. Jornet-Martínez and P. Campíns-Falcó
This paper aims to provide improved selectivity and sensitivity with a short analysis time of about 10 min and low residues for quantitation of nitrite and nitrate in waters by liquid chromatography. Ion-pair formation and ion exchange retention mechanis...
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George P. Balayiannis and Helen Karasali
N-nitrosamines are a class of carcinogenic chemical compound. Considering the large-scale application of agrochemicals globally, the elimination of N-nitrosamines from pesticides should be a priority for manufacturers and regulators. A set of methods was...
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Yuhua Gao, Xiaoyuan Wang, Xianwen Fang, Xuebo Yin, Lu Chen, Jianling Bi, Yao Ma and Shuai Chen
Fluorine and chlorine are important tracers for geochemical and environmental studies. In this study, a rapid alkaline digestion (NaOH) method for the simultaneous determination of fluorine and chlorine in marine and stream sediment reference samples usi...
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Zhanna M. Okhlopkova, Mayya P. Razgonova, Konstantin S. Pikula, Alexander M. Zakharenko, Wojciech Piekoszewski, Yuri A. Manakov, Sezai Ercisli and Kirill S. Golokhvast
Dracocephalum palmatum S. and Dracocephalum ruyschiana L. contain a large number of target analytes, which are biologically active compounds. High performance liquid chromatography (HPLC) in combination with an ion trap (tandem mass spectrometry) was use...
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