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| http://dx.doi.org/10.3389/fpubh.2022.854262 | DOI Listing |
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Transgenerational Plasticity of Maternal Hemolymph Trehalose in Aphids.
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College of Agriculture, Ibaraki University, Inashiki, Japan.
Aphids exhibit a unique reproductive strategy known as pseudoplacental viviparity, in which embryos develop internally and are thought to receive nutrients such as sugars and amino acids directly from the maternal hemolymph through an ovariole sheath, bypassing the need for traditional yolk storage. This system enables viviparous aphids to adapt to diverse and potentially stressful environments by transmitting maternal environmental cues that influence transgenerational plasticity. However, the mechanisms underlying this nutrient-mediated plasticity are poorly understood.
View Article and Find Full Text PDFGait speed assessment in confined spaces: Development of a novel automated 4-m static-start test to measure dynamic-start gait speed.
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Medicine Academic Programme, Duke-NUS Graduate Medical School, Singapore.
Objectives: To promote standardization and feasible measurements of gait speed across the field, we developed a device that used light detection and ranging (LiDAR) technology to measure gait speed from a standing-start testing procedure conducted on a 4-m total walkway. We compared this automated (LiDAR-based) standing-start 4-m gait speed test (AS-4MG) with automated and manual (stopwatch-based) dynamic-start 4-m gait speed tests (AD-4MG and MD-4MG, respectively) on between-method agreement, measurement repeatability, and predictive validity with functional outcomes.
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Quantum magnetometers based on spin defects in solids enable sensitive imaging of various magnetic phenomena, such as ferro- and antiferromagnetism, superconductivity, and current-induced fields. Existing protocols primarily focus on static fields or narrow-band dynamical signals, and are optimized for high sensitivity rather than fast time resolution. Here, we report detection of fast signal transients, providing a perspective for investigating the rich dynamics of magnetic systems.
View Article and Find Full Text PDFClinical application of time-of-flight mass spectrometry nucleic acid detection technology in diagnosis of drug-resistant pulmonary tuberculosis.
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Identification and treatment of false methane values produced by the tunable diode laser absorption spectroscopy technology equipped on unmanned aerial vehicles.
Integr Environ Assess Manag
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Ionian Department, University of Bari Aldo Moro, Bari, Italy.
Fugitive or diffuse methane emissions constitute an important source of damage to the environment, much greater even than CO2 both over a time span of 20 years and over a longer time span of 100. It is therefore of preeminent importance to undertake all the efforts necessary to implement new tools, protocols, and methods that contribute to the identification and measurement of these emissions to implement site-specific actions of mitigation, repair, and conscious management of the emitting plants. Among the remote sensing and leak detection technologies currently used, the tunable diode laser absorption spectroscopy (TDLAS) method plays a relevant role.
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