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Impact of Glaciers on Trophic Dynamics and Polyunsaturated Fat Accumulation in Southern Greenland Fjord Ecosystems.
Glob Chang Biol
January 2025
Department of Surface Waters-Research and Management, EAWAG, Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum, Switzerland.
The primary production of fjords across the Arctic and Subarctic is undergoing significant transformations due to the climatically driven retreat of glaciers and ice sheets. However, the implications of these changes for upper trophic levels remain largely unknown. In this study, we employ both bulk and compound-specific stable isotope analyses to investigate how shifts at the base of fjord food webs impact the carbon and energy sources of consumers.
View Article and Find Full Text PDFGrowing microbiology literacy through interdisciplinary approaches to food fermentations and an Indigenous peoples' rights framework.
J Microbiol Biol Educ
January 2025
Department of Food Science and Technology, University of California, Davis, California, USA.
New approaches to microbiology education are needed to ensure equitable representation in microbiology and to build literacy in microbiology and science broadly. To address this goal, we developed a course held at the collegiate level that uniquely integrated microbiology, Indigenous studies, science and technology studies, and arts and performance. The course participants included students in 12 majors across science, engineering, humanities, and arts.
View Article and Find Full Text PDFThe tusk of the male narwhal is a prolonged canine tooth, reaching a size of up to 3 m in length. The tusk erupts through the young narwhal's upper left lip and, over time, develops into an elongated structure composed of dentine growth layers with an outer coating of cementum. In this study, we utilized bomb radiocarbon (C) to estimate the ages of three narwhal tusks, which allowed us to validate the assumption that one growth layer is deposited annually in narwhal tusks.
View Article and Find Full Text PDFAn eight-founder wheat MAGIC population allows fine-mapping of flowering time loci and provides novel insights into the genetic control of flowering time.
Theor Appl Genet
November 2024
NIAB, 93 Lawrence Weaver Road, Cambridge, CB3 0LE, UK.
Flowering time synchronizes reproductive development with favorable environmental conditions to optimize yield. Improved understanding of the genetic control of flowering will help optimize varietal adaptation to future agricultural systems under climate change. Here, we investigate the genetic basis of flowering time in winter wheat (Triticum aestivum L.
View Article and Find Full Text PDFSynthesis of Core-Functionalised Naphthalenediimides from Naphthalenetetracarboxylic Dianhydride using a Vibratory Ball Mill: Bromination, Imidization and Heck-Type Reactions.
Chemistry
November 2024
Department of Chemistry, Arundel Building 305, School of Life Sciences, University of Sussex, Falmer, BN1 9QJ, Brighton, UK.
Article Synopsis
- Researchers developed a new method to synthesize 9 core-functionalised naphthalene diimide (c-NDI) compounds using a three-step, solvent-free process that activates chemicals mechanically.
- They achieved selective dibromination of naphthalenetetracarboxylic dianhydride in a vibratory ball mill, producing a key intermediate (2,6-dibromonaphthalenediimide) quickly and efficiently within 5 hours, significantly faster than traditional methods.
- The study also successfully executed rapid Heck-type cross coupling reactions with various styrene residues, resulting in good yields of c-NDIs without the need for extra heating or solvents, making the process robust against environmental conditions.
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