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Chemical Heating for Minimally Instrumented Point-of-Care (POC) Molecular Diagnostics.
Biosensors (Basel)
November 2024
Department of Virology, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt.
The minimal instrumentation of portable medical diagnostic devices for point-of-care applications is facilitated by using chemical heating in place of temperature-regulated electrical heaters. The main applications are for isothermal nucleic acid amplification tests (NAATs) and other enzymatic assays that require elevated, controlled temperatures. In the most common implementation, heat is generated by the exothermic reaction of a metal (e.
View Article and Find Full Text PDFAridity drives the response of soil total and particulate organic carbon to drought in temperate grasslands and shrublands.
Sci Adv
October 2024
Institute of Grassland Science, Key Laboratory of Vegetation Ecology of the Ministry of Education, Jilin Songnen Grassland Ecosystem National Observation and Research Station, Northeast Normal University, Changchun 130024, China.
Article Synopsis
- Drought events are becoming more common in grasslands and shrublands, affecting soil organic carbon (SOC), which includes different forms like particulate (POC) and mineral-associated organic carbon (MAOC).
- A global study over 19 sites revealed that in wetter areas (aridity index > 0.65), extreme drought led to a significant decrease in SOC (7.9%) and POC (15.9%), but MAOC levels remained unchanged.
- In drier regions (aridity index < 0.65), drought did not significantly affect any type of soil organic carbon, indicating that the impact of drought on SOC is influenced by environmental aridity and rainfall variability.
Multiphase Partitioning of Estrogens in a River Impacted by Feedlot Wastewater Discharge.
Toxics
September 2024
Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan.
Estrogens in river systems can significantly impact aquatic ecosystems. This study aimed to investigate the multiphase partitioning of estrogens in Wulo Creek, Taiwan, which receives animal feedlot wastewater, to understand their distribution and potential environmental implications. Water samples were separated into suspended particulate matter (SPM), colloidal, and soluble phases using centrifugation and cross-flow ultrafiltration.
View Article and Find Full Text PDFUsing Full Dive Virtual Reality to Operationalize Warfighter Resilience: From Proof of Concept and Usability of Hardware and Software to Upcoming Integrated Psychological Skills Training.
Mil Med
August 2024
Defense Health Board, Trauma and Injury (Ret), Falls Church, VA 22042, USA.
Introduction: Modern warfare operations are volatile, highly complex environments, placing immense physiological, psychological, and cognitive demands on the warfighter. To maximize cognitive performance and warfighter resilience and readiness, training must address psychological stress to enhance performance. Resilience in the face of adversity is fundamentally rooted in an individual's psychophysiological stress response and optimized through decreased susceptibility to the negative impact of trauma exposure.
View Article and Find Full Text PDFPerformance of Continuous Glucose Monitoring in Patients With Acute Respiratory Failure: A Prospective, Single-Center Observational Study.
Endocr Pract
September 2024
General Practice Medical Center, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, China. Electronic address:
Objective: Continuous glucose monitoring (CGM) may have benefits in achieving glycemic control in critically ill patients. The aim of this study was to assess the accuracy of the Freestyle Libre H (professional version similar to the Libre Pro) in patients with acute respiratory failure (ARF) in the intensive care unit (ICU).
Methods: Fifty-two adult patients with ARF were selected.
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