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Simultaneous Concentration and T Mapping of Brain Metabolites by Fast Multi-Echo Spectroscopic Imaging.
NMR Biomed
February 2025
MR Methodology, Department for Diagnostic and Interventional Neuroradiology, University of Bern, Bern, Switzerland.
The purpose of this study was to produce metabolite-specific T and concentration maps in a clinically compatible time frame. A multi-TE 2D MR spectroscopic imaging (MRSI) experiment (multi-echo single-shot MRSI [MESS-MRSI]) deployed truncated and partially sampled multi-echo trains from single scans and was combined with simultaneous multiparametric model fitting. It was tested in vivo for the brain in five healthy subjects.
View Article and Find Full Text PDFGenomics Reveal Population Structure and Intergeneric Hybridization in an Endangered South American Bird: Implications for Management and Conservation.
Ecol Evol
January 2025
Unit of Evolutionary Biology/Systematic Zoology Institute for Biochemistry and Biology, University of Potsdam Potsdam Germany.
Genomics is an invaluable tool for conservation, particularly for endangered species impacted by wildlife trafficking. This study uses genomic data to provide new insights to aid conservation and management of endangered species, using as a case study the Yellow cardinal (), a bird endemic to southern South America severely affected by illegal trade and the transformation of its natural habitat. We explore population structure within the Yellow cardinal, delimiting management units and describing connectivity among them.
View Article and Find Full Text PDFMeasuring trends in extinction risk: a review of two decades of development and application of the Red List Index.
Philos Trans R Soc Lond B Biol Sci
January 2025
BirdLife International, David Attenborough Building, Pembroke Street, Cambridge CB2 3QZ, UK.
The Red List Index (RLI) is an indicator of the average extinction risk of groups of species and reflects trends in this through time. It is calculated from the number of species in each category on the IUCN Red List of Threatened Species, with trends influenced by the number moving between categories when reassessed owing to genuine improvement or deterioration in status. The global RLI is aggregated across multiple taxonomic groups and can be disaggregated to show trends for subsets of species (e.
View Article and Find Full Text PDFOptimizing concrete sustainability with bagasse ash and stone dust and its impact on mechanical properties and durability.
Sci Rep
January 2025
College of Civil Engineering, Department of Bridge Engineering, Tongji University, Shanghai, 200092, China.
Addressing environmental challenges such as pollution and resource depletion requires innovative industrial and municipal waste management approaches. Cement production, a significant contributor to greenhouse gas emissions, highlights the need for eco-friendly building materials to combat global warming and promote sustainability. This study evaluates the simultaneous use of Sugarcane Bagasse Ash (SCBA) and Stone Dust (SD) as partial replacements by volume for cement and sand, respectively, at varying ratios in eco-strength concrete mixes designed for 28 MPa (ES-28) and 34 MPa (ES-34), emphasizing their economic and environmental benefits.
View Article and Find Full Text PDFChina's product-level CO emissions dataset aligned with national input-output tables from 1997 to 2020.
Sci Data
January 2025
Institute of Developing Economy, Japan External Trade Organization, Chiba, 2618545, Japan.
Carbon emission research based on input-output tables (IOTs) has received attention, but data quality issues persist due to inconsistencies between the sectoral scopes of energy statistics and IOTs. Specifically, China's official energy data are reported at the industry level, whereas IOTs are organized by product sectors. Valid IOT-based environmental models require consistent transformation from industry-level to product-level emissions.
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