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A High-Throughput Integrated Nontargeted Metabolomics and Lipidomics Workflow Using Microelution Enhanced Matrix Removal-Lipid for Comparative Analysis of Human Maternal and Umbilical Cord Blood Metabolomes.
Anal Chem
January 2025
Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hong Kong 999077, China.
Sample pretreatment for mass spectrometry (MS)-based metabolomics and lipidomics is normally conducted independently with two sample aliquots and separate matrix cleanup procedures, making the two-step process sample-intensive and time-consuming. Herein, we introduce a high-throughput pretreatment workflow for integrated nontargeted metabolomics and lipidomics leveraging the enhanced matrix removal (EMR)-lipid microelution 96-well plates. The EMR-lipid technique was innovatively employed to effectively separate and isolate non-lipid small metabolites and lipids in sequence using significantly reduced sample amounts and organic solvents.
View Article and Find Full Text PDFSize-Dependent Reduction Kinetics of Iron Oxides in Single and Mixed Mineral Systems.
Environ Sci Technol
January 2025
Geomicrobiology, Department of Geosciences, University of Tübingen, 72076 Tübingen, Germany.
Iron(III) (oxyhydr)oxide minerals with varying particle sizes commonly coexist in natural environments and are susceptible to both chemical and microbial reduction, affecting the fate and mobility of trace elements, nutrients, and pollutants. The size-dependent reduction behavior of iron (oxyhydr)oxides in single and mixed mineral systems remains poorly understood. In this study, we used microbial and mediated electrochemical reduction approaches to investigate the reduction kinetics and extents of goethite and hematite.
View Article and Find Full Text PDFFirst Report of Causing Black Leaf Spot on in China.
Plant Dis
January 2025
Zhejiang Academy of Agricultural Sciences, Institute of Agro-product Safety and Nutrition, Hangzhou, Zhejiang, China;
Chinese yam ( Turcz.), known for its nutrient-rich underground tubers, is both a food source and a traditional Chinese medicinal plant. It offers significant nutritional and medicinal benefits.
View Article and Find Full Text PDFNanosensor for Fe(II) and Fe(III) Allowing Spatiotemporal Sensing .
Nano Lett
January 2025
Disruptive & Sustainable Technologies for Agricultural Precision IRG, Singapore-MIT Alliance of Research and Technology, 1 CREATE Way, #03-06, Singapore 138602, Singapore.
Fluorescent nanosensors operating have shown recent success toward informing basic plant biology and agricultural applications. We developed near-infrared (NIR) fluorescent nanosensors using the Corona Phase Molecular Recognition (CoPhMoRe) technique that distinguish Fe(II) and Fe(III) species with limit of detection as low as 10 nM. An anionic poly(p-phenyleneethynylene) (PPE) polyelectrolyte wrapped single-walled carbon nanotube (SWNT) shows up to 200% turn-on and 85% turn-off responses to Fe(II) and Fe(III), respectively, allowing spatial and temporal analysis of iron uptake in both foliar and root-to-shoot pathways.
View Article and Find Full Text PDFBiodiversity within phytoplankton-associated microbiomes regulates host physiology, host community ecology, and nutrient cycling.
mSystems
January 2025
Department of Ecology, Behavior and Evolution, University of California San Diego School of Biological Sciences, La Jolla, California, USA.
Unlabelled: Biological diversity is declining across the tree of life, including among prokaryotes. With the increasing awareness of host-associated microbes as potential regulators of eukaryotic host physiology, behavior, and ecology, it is important to understand the implications of declining diversity within host microbiomes on host fitness, ecology, and ecosystem function. We used phytoplankton and their associated environmental microbiomes as model systems to test the independent and interactive effects of declining microbiome diversity with and without other stressors often caused by human activity-elevated temperature and altered nutrient availability.
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