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Large Area Near-Field Thermophotovoltaics for Low Temperature Applications.
Adv Mater
December 2024
National Renewable Energy Laboratory, Golden, CO, 80401, USA.
Thermophotovoltaics, devices that convert thermal infrared photons to electricity, offer a key pathway for a variety of critical renewable energy technologies including thermal energy storage, waste heat recovery, and direct solar-thermal power generation. However, conventional far-field devices struggle to generate reasonable powers at lower temperatures. Near-field thermophotovoltaics provide a pathway to substantially higher powers by leveraging photon tunneling effects.
View Article and Find Full Text PDFIvacaftor ameliorates mucus burden, bacterial load, and inflammation in acute but not chronic P. aeruginosa infection in hG551D rats.
Respir Res
November 2024
Gregory Fleming James Cystic Fibrosis Research Center, University of Alabama at Birmingham, 1720 2nd Ave S, Birmingham, AL, 35294, USA.
Background: Newly approved highly effective modulation therapies (HEMT) have been life-changing for people with CF. Although these drugs have resulted in significant improvements in lung function and exacerbation rate, bacterial populations in the lung have not been eradicated. The mechanisms behind the continued colonization are not completely clear.
View Article and Find Full Text PDFMagnetic resonance spectroscopy (MRS) is a non-invasive imaging technique that facilitates the observation of tissue metabolism. It holds potential not only in research but also in clinical settings for understanding pathophysiology. This report presents the case of a 73-year-old woman with cerebellar arteriovenous malformation (AVM) in which MRS contributed to understanding the condition.
View Article and Find Full Text PDFPulsed Airstream-Driven Hierarchical Micro-Nano Pore Structured Triboelectric Nanogenerator for Wireless Self-Powered Formaldehyde Sensing.
Small
November 2024
Shandong Laboratory of Advanced Material and Green Manufacturing at Yantai, Yantai, 264006, P. R. China.
Formaldehyde (HCHO), as a common volatile organic compound, has a serious impact on human health in the daily lives and industrial production scenarios. Given the security issue of HCHO detection and danger warning, a ZIF-8/copper foam based pulsed airstream-driven triboelectric nanogenerator (ZCP-TENG) is designed to develop the self-powered HCHO sensors. By combining contact electrification and electrostatic induction, the ZCP-TENG can be utilized for airflow energy harvesting and HCHO concentration detection.
View Article and Find Full Text PDFIn this study, we designed squaraine-based dyes with a 2-amino pyrrole donor unit and acene groups like anthracene and pentacene. These dyes incorporate three different electron-withdrawing groups - cyanoacrylate (A1), phosphonate (A2) and boronic acid (A3) - as linkers to the TiO semiconductor. The spectroscopic, electronic and photochemical properties of these compounds were investigated using density functional theory (DFT) and time-dependent density functional theory (TDDFT) simulations.
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