Results 81 to 90 of about 3,338,318 (170)
Advances in metals and metal hybrids‐based gas sensors and their applications
Rare Metals, Volume 44, Issue 12, Page 9363-9413, December 2025.Graphical abstract Abstract As a kind of node on the Internet of Things, gas sensor is specifically utilized for detecting gaseous chemical species and humidity. Functioning as a kind of discrete electronic components, gas sensors have been extensively implemented in many fields, including agricultural production, public safety, healthcare activity ...
Danyao Qu +7 more
wiley +1 more source
Quartz enhanced photoacoustic spectroscopy based on an external cavity quantum cascade laser [PDF]
, 2018 Mid-infrared laser spectroscopy is a powerful analytical tool for trace gases detection. In this study, a spectroscopic system based on an external cavity quantum cascade laser (ECQCL) and quartz enhanced photoacoustic spectroscopy (QEPAS) was developed ...
Zhou, S., Li, J., He, T., Xu, L.
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, 2022 In this work, we study the non-radiative energy relaxation rate of methane isotopologues in the mid-infrared spectral range, at about 7.719 μm. We exploited quartz-enhanced photoacoustic spectroscopy to measure the photoacoustic signal at different ...
Sampaolo A. +9 more
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Small Science, Volume 5, Issue 11, November 2025.This article discusses the preparation methods, structural engineering, and key properties of transition metal nitrides, as well as their versatile applications in supercapacitors, rechargeable batteries, electrocatalytic and photocatalytic processes, and solar cell technologies.
Narasimharao Kitchamsetti +2 more
wiley +1 more source
Rational Design and Fabrication of MEMS Gas Sensors With Long‐Term Stability: A Comprehensive Review
Advanced Science, Volume 12, Issue 39, October 20, 2025.Recent advances in microelectromechanical systems (MEMS) gas sensors are reviewed, emphasizing strategies to enhance long‐term stability, including chemical modification of sensing films and device structural optimization. Key challenges and future opportunities are also highlighted.
Chao Zhang +6 more
wiley +1 more source
Quartz-enhanced photoacoustic spectroscopy
, 2003 Methods and apparatus for detecting photoacoustic signals in fluid media are described. The present invention differs from conventional photoacoustic spectroscopy in that rather than accumulating the absorbed energy in the fluid of a sample cell, the ...
Kosterev, Anatoliy A.
core
PhotoacousticsHydrogen cyanide (HCN) is a toxic industrial chemical, necessitating low-level detection capabilities for safety and environmental monitoring. This study introduces a novel approach for detecting hydrogen cyanide (HCN) using a clamp-type custom quartz ...
Lihao Wang +11 more
doaj +1 more source
Nanoparticles Functionalized with Polymer Brushes for Gene Delivery
Advanced NanoBiomed Research, Volume 5, Issue 10, October 2025.The engineering of the next generation gene delivery vectors requires the precise control of the architecture and physicochemical interactions controlling the transport, targeting, uptake, and release of nucleic acid materials to targeted cells. Polymer brush‐functionalized nanomaterials offer unprecedented control over such design and properties, and ...
Carlos E. Neri‐Cruz, Julien E. Gautrot
wiley +1 more source
Advanced methods for enhanced sensing in biomedical Raman spectroscopy [PDF]
, 2015 Raman spectroscopy is a powerful tool in the field of biomedicine for disease diagnosis owing to its potential to provide the molecular fingerprint of biological samples.
Balagopal, Bavishna
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Quartz-Enhanced Photoacoustic Sensors for Environmental Monitoring
, 2023 Atmospheric composition affects climate, human health, terrestrial and aquatic ecosystems, and is dramatically influenced by human activities. Environmental gas monitoring of pollutant and greenhouse gases in atmosphere are thus fundamental to ...
Sampaolo, Angelo +4 more
core +1 more source