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Volcanic aerosols captured by plants: A study of nanoparticles and their chemical composition.
Sci Total Environ
January 2025
Université Paris Cité - Institut de Physique du globe de Paris, CNRS, F75005 Paris, France.
Nanoparticles (NPs) exhibit high reactivity and mobility in the environment, and a significant capacity to penetrate living organisms, potentially leading to harmful effects. Volcanoes are the second major source of natural NPs emitted into the atmosphere, with an estimated flux of 342 Tg/year. Few studies have focused on their fate.
View Article and Find Full Text PDFDevelopment and Validation of a Highly Sensitive Isotope-Coded Equivalent Reporter Ion Assay for the Semi-Quantification of Isocoumarins in Complex Matrices.
Anal Chem
January 2025
China-Croatia Belt and Road Joint Laboratory on Biodiversity and Ecosystem Services, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610213, China.
The accurate quantification of multicomponents using LC-MS is pivotal for ensuring the quality control of herbal medicine, as well as the investigation of their analysis of biological tissue distribution. However, two significant challenges persist: the scarcity of authentic standards and the selection of appropriate internal standards. In this study, we present a highly sensitive isotope-coded equivalent reporter ion assay (iERIA) that combines equivalently quantitative ion and isotope-coded derivatization strategies.
View Article and Find Full Text PDFOccurrence, seasonal distribution and probabilistic source-specific health risk assessment of dissolved trace metals in southwestern rivers, Nigeria.
Sci Total Environ
January 2025
Department of Chemistry, Division of Physical and Computational Sciences, University of Pittsburgh, Bradford, 16701, PA, USA.
The presence of trace metals (TMs) in river systems at certain levels can cause toxicity and pose significant risks to human health. In this study, nine TMs (Ba, Cd, Cr, Cu, Fe, Mn, Ni, Pb, and Zn) were determined by inductively coupled plasma optical emission spectrometry (ICP-OES) in water samples collected from six major rivers from southwestern Nigeria during both dry and wet seasons. Across both seasons, the mean concentrations (mg/L) ranged from 0.
View Article and Find Full Text PDFPromising mass spectrometry imaging: exploring microscale insights in food.
Crit Rev Food Sci Nutr
January 2025
State Key Laboratory of Marine Food Processing and Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, China.
This review focused on mass spectrometry imaging (MSI), a powerful tool in food analysis, covering its ion source schemes and procedures and their applications in food quality, safety, and nutrition to provide detailed insights into these aspects. The review presented a detailed introduction to both commonly used and emerging ionization sources, including nanoparticle laser desorption/ionization (NPs-LDI), air flow-assisted ionization (AFAI), desorption ionization with through-hole alumina membrane (DIUTHAME), plasma-assisted laser desorption ionization (PALDI), and low-temperature plasma (LTP). In the MSI process, particular emphasis was placed on quantitative MSI (QMSI) and super-resolution algorithms.
View Article and Find Full Text PDFMineral and trace element analysis of non-conventional food plants using ICP OES and chemometric techniques.
Food Chem
January 2025
Group of Alternative Analytical Approaches (GAAA), Bioenergy Research Institute (IPBEN), Institute of Chemistry, São Paulo State University (UNESP), Araraquara, 14800-060 São Paulo State, Brazil; National Institute of Alternative Technologies for Detection Toxicological Assessment and Removal of Micropollutants and Radioactive Substances (INCT-DATREM), Araraquara, 14800-060 São Paulo State, Brazil. Electronic address:
Non-conventional food plants (or non-conventional edible plants) have the potential to serve as an excellent nutritional alternative while promoting the circular economy. Given the nutritional potential of non-conventional food plants, this study aimed to investigate and determine the composition of these plants using inductively coupled plasma optical emission spectroscopy (ICP OES) combined with chemometric techniques. In this context, the following non-conventional food plant species were evaluated: serralha (Sonchus oleraceus), two species of ora-pro-nóbis, Pereskia grandifolia and Pereskia aculeata, peixinho (Nematanthus gregarius), alfavaca (Ocimum basilicum), taioba (Xanthosoma sagittifolium), capeba (Pothomorphe umbellata), tranchagem (Plantago major), and bardana (Arctium lappa).
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