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Minimum leaf conductance during drought: unravelling its variability and impact on plant survival.
New Phytol
March 2025
INRAE, UMR BIOGECO, Université de Bordeaux, Pessac, 33615, France.
Leaf water loss after stomatal closure is key to understanding the effects of prolonged drought on vegetation. It is therefore important to accurately quantify such water losses to improve physiology-based models of drought-induced plant mortality. We measured water loss of detached leaves continuously during dehydration in nine woody angiosperm species.
View Article and Find Full Text PDFHyperspectral estimation of chlorophyll content in grapevine based on feature selection and GA-BP.
Sci Rep
March 2025
Key Laboratory of Quantitative Remote Sensing in Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China.
Leaf chlorophyll content (LCC) is a key indicator for assessing the growth of grapes. Hyperspectral techniques have been applied to LCC research. However, quantitative prediction of grape LCC using this technique remains challenging due to baseline drift, spectral peak overlap, and ambiguity in the sensitive spectral range.
View Article and Find Full Text PDFDetecting the Intention of Sit-to-Stand by Analyzing Reaction Forces on the Foot with Pareto Optimum.
Annu Int Conf IEEE Eng Med Biol Soc
July 2024
This study introduces a novel method for detecting a user's sit-to-stand (STS) intention, focusing on minimizing sensor usage for ease of application in everyday settings. Our approach involves applying an external stimulus to the user's toes when they are likely to stand and analyzing the resulting reaction forces on the foot. In the subject experiments, we optimized thresholds using the Pareto optimum to differentiate STS motions from other similar movements, targeting both correct detection and an earlier detection timing before the user's buttocks leave the seat.
View Article and Find Full Text PDFObjective: Ensuring the correct positioning of the electrode array during cochlear implant surgery is crucial for achieving optimal results. Electrical impedance measurements have recently emerged as a promising alternative to radiological imaging for electrode localization after surgery. This study aims to assess the performance of various machine learning algorithms to regress electrode locations using impedance telemetry.
View Article and Find Full Text PDFAssignment of low-molecular-weight selenometabolites in the root section of white cabbage.
Planta
March 2025
Institute for Soil Sciences, HUN-REN Centre for Agricultural Research, Fehérvári út 132-144, Budapest, 1116, Hungary.
Quantitative and qualitative selenium speciation analyses of the root of white cabbage reveal the presence of elemental Se, selenate, selenomethionine and deaminated derivatives of selenohomolanthionine. White cabbage (Brassica oleracea convar. capitata var.
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