Results 251 to 260 of about 276,908 (308)

Functionalized Metal-Organic Frameworks Integrated with Plasmonic Nanoparticles: From Synthesis to Applications. [PDF]

Biosensors (Basel)
Huang S, Chen Q, Li Y, Duan L, Zhao X, Lu Y, Chen Z.   +6 more
europepmc   +1 more source

An all-inorganic three-dimensional polyoxoniobate framework with ppb-level chemiresistive sensing for ammonia. [PDF]

Nat Commun
Guo ZW, Yan YH, Chen Y, Li YY, Li XX, Sun C, Zheng ST.   +6 more
europepmc   +1 more source

Metal-Organic Framework-Based Chemiresistive Array Paired with Machine Learning Algorithms for the Detection and Differentiation of Toxic Gases. [PDF]

ACS Sens
Benedetto G, Damacet P, Shehayeb EO, Fabusola G, Simon CM, Mirica KA.   +5 more
europepmc   +1 more source

Electrospun Nanofiber Platforms for Advanced Sensors in Livestock-Derived Food Quality and Safety Monitoring: A Review. [PDF]

Sensors (Basel)
Ramachandraiah K, Martin EM, Limayem A.
europepmc   +1 more source

Oxygen-Regulated GaN-Based Sensors Fabricated by MOCVD for Switchable Gas Detection: Exhaled Gas Smart Platform for Non-Invasive Disease Detection. [PDF]

Adv Sci (Weinh)
Wang Y, Han D, Duan Q, Zhang Z, Jia Z, Guang J, Wang G, Wang W, He X, Sang S.   +9 more
europepmc   +1 more source

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Multi-pass quartz-enhanced photoacoustic spectroscopy-based trace gas sensing.

Optics Letters, 2021
A multi-pass quartz-enhanced photoacoustic spectroscopy (MP-QEPAS)-based trace gas sensor is reported. In MP-QEPAS, a multi-pass laser beam pattern through the prong spacing of a quartz tuning fork (QTF) is obtained by means of two right-angle prisms.
Shunda Qiao, Yufei Ma, P. Patimisco, A. Sampaolo, Ying He, Ziting Lang, F. Tittel, V. Spagnolo   +7 more
semanticscholar   +5 more sources

Selectivity in trace gas sensing: recent developments, challenges, and future perspectives.

The Analyst, 2022
Selectivity is one of the most crucial figures of merit in trace gas sensing, and thus a comprehensive assessment is necessary to have a clear picture of sensitivity, selectivity, and their interrelations in terms of quantitative and qualitative views ...
Puspendu Barik, M. Pradhan
semanticscholar   +3 more sources

Quartz‐Enhanced Photoacoustic Spectroscopy for Trace Gas Sensing

Encyclopedia of Analytical Chemistry, 2021
Photoacoustic spectroscopy (PAS) was established itself over the last decades as a powerful detection technique, capable of measuring trace gas concentrations at part‐per‐billion level. The basic principles of laser PAS are provided with a discussion on photoinduced acoustic wave generation and its detection. Quartz‐enhanced photoacoustic spectroscopy (
P. Patimisco, V. Spagnolo
semanticscholar   +3 more sources

Optical Frequency Comb Generators for Trace Gas Sensing

Frontiers in Optics 2015, 2015
Optical frequency comb generators for rapidly re-configurable trace gas sensing are demonstrated using high-bandwidth low-Vπ electro-optic modulators and rapid-scanning microwave sources. These compact devices perform sensitive dual-comb spectroscopy with user-defined line spacing.
A. Fleisher, D. Long, J. Hodges, K. Douglass, S. Maxwell, D. Plusquellic   +5 more
semanticscholar   +2 more sources