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Deep Learning for Gas Sensing via Infrared Spectroscopy.
Sensors (Basel)
March 2024
Department of Mechanical, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, 110 Eighth St., Troy, NY 12180, USA.
Deep learning methods, a powerful form of artificial intelligence, have been applied in a number of spectroscopy and gas sensing applications. However, the speciation of multi-component gas mixtures from infrared (IR) absorption spectra using deep learning remains to be explored. Here, we propose a one-dimensional deep convolutional neural network gas classification model for the identification of small molecules of interest based on IR absorption spectra in flexible user-defined frequency ranges.
View Article and Find Full Text PDFLong-term aged fibrous polypropylene microplastics promotes nitrous oxide, carbon dioxide, and methane emissions from a coastal wetland soil.
Sci Total Environ
October 2023
Institute of Coastal Environmental Pollution Control, Ministry of Education Key Laboratory of Marine Environment and Ecology, College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China; Sanya Ocean Institute, Ocean University of China, Sanya 572000, China.
Microplastics (MPs) has been suggested that it can greatly affect soil greenhouse gases (GHGs) emissions via altering soil physical, chemical, and biological properties. However, the difference in GHGs emissions, especially for those from coastal wetland soils, between varied aged MPs was rarely explored and the underlying mechanisms of GHGs emissions affected by the aged MPs were poorly understood. Therefore, the implications of fibrous polypropylene MPs (FPP-MPs) exposure on NO, CO, and CH emissions were examined by a 60-day soil incubation experiment.
View Article and Find Full Text PDFTemperature-Dependent Nitrous Oxide/Carbon Dioxide Preferential Adsorption in a Thiazolium-Functionalized NU-1000 Metal-Organic Framework.
ACS Appl Mater Interfaces
December 2021
Istituto di Chimica dei Composti Organometallici (ICCOM-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy.
Solvent-assisted ligand incorporation (SALI) of the ditopic linker 5-carboxy-3-(4-carboxybenzyl)thiazolium bromide [()Br] into the zirconium metal-organic framework [ZrO(OH)(HO)(TBAPy), where NU = Northwestern University and HTBAPy = 1,3,6,8-tetrakis(-benzoic-acid)pyrene], led to the SALIed material of minimal formula [ZrO(OH)(HO)(TBAPy)()]Br. has been thoroughly characterized in the solid state. As confirmed by powder X-ray diffraction, this material keeps the same three-dimensional architecture of and the dicarboxylic extra linker bridges adjacent [Zr] nodes 8 Å far apart along the crystallographic -axis.
View Article and Find Full Text PDFDo environmental pollutants carrier to COVID-19 pandemic? A cross-sectional analysis.
Environ Sci Pollut Res Int
March 2022
Department of Management, College of Business Administration, King Saud University, P.O. Box 71115, Riyadh, 11587, Saudi Arabia.
The coronavirus disease (COVID-19) is a highly transmitted disease that spreads all over the globe in a short period. Environmental pollutants are considered one of the carriers to spread the COVID-19 pandemic through health damages. Carbon emissions, PM2.
View Article and Find Full Text PDFHealth impacts of indoor air pollution from household solid fuel on children and women.
J Hazard Mater
August 2021
Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, and State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, China; Consortium on Health, Environment, Education and Research (CHEER), Department of Science and Environmental Studies, The Education University of Hong Kong, Hong Kong, China. Electronic address:
Article Synopsis
- Inefficient burning of solid fuels causes high indoor air pollution, resulting in 3.55 million deaths each year, particularly affecting women and children who are more exposed.
- Key pollutants from solid fuels include polycyclic aromatic hydrocarbons and particulate matter, leading to various health issues through mechanisms like oxidative stress and DNA changes.
- Children face increased health risks such as low birth weight and respiratory infections, while women are at higher risk for lung cancer and heart diseases, highlighting a pressing global public health issue that calls for better research and interventions.
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