Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Giansergio Menduni"'
Autor:
Aldo F.P. Cantatore, Giansergio Menduni, Andrea Zifarelli, Pietro Patimisco, Miguel Gonzalez, Huseyin R. Seren, Vincenzo Spagnolo, Angelo Sampaolo
Publikováno v:
Photoacoustics, Vol 35, Iss , Pp 100577- (2024)
In this work, we report on the novel employment of lithium niobate tuning forks as acoustic transducers in photoacoustic spectroscopy for gas sensing. The lithium niobate tuning fork (LiNTF) exhibits a fundamental resonance frequency of 39196.6 Hz an
Externí odkaz:
https://doaj.org/article/657ddf370dca4e229f496ade3e167129
Publikováno v:
Frontiers in Chemistry, Vol 11 (2023)
Externí odkaz:
https://doaj.org/article/c740663bd2484a2780369c4d8b93a246
Autor:
Mariagrazia Olivieri, Marilena Giglio, Stefano Dello Russo, Giansergio Menduni, Andrea Zifarelli, Pietro Patimisco, Angelo Sampaolo, Hongpeng Wu, Lei Dong, Vincenzo Spagnolo
Publikováno v:
Photoacoustics, Vol 31, Iss , Pp 100518- (2023)
Here we report on a study of the non-radiative relaxation dynamic of 12CH4 and 13CH4 in wet nitrogen-based matrixes by using the quartz-enhanced photoacoustic spectroscopy (QEPAS) technique. The dependence of the QEPAS signal on pressure at fixed mat
Externí odkaz:
https://doaj.org/article/11d12a6f6e89468ebccc9bcb08cc32b0
Autor:
Biao Li, Giansergio Menduni, Marilena Giglio, Pietro Patimisco, Angelo Sampaolo, Andrea Zifarelli, Hongpeng Wu, Tingting Wei, Vincenzo Spagnolo, Lei Dong
Publikováno v:
Photoacoustics, Vol 31, Iss , Pp 100479- (2023)
In this work, a comparison between Quartz Enhanced Photoacoustic Spectroscopy (QEPAS) and Beat Frequency-QEPAS (BF-QEPAS) techniques for environmental monitoring of pollutants is reported. A spectrophone composed of a T-shaped Quartz Tuning Fork (QTF
Externí odkaz:
https://doaj.org/article/bddeee0c17db4b67ae90512e83e21f74
Autor:
Mariagrazia Olivieri, Giansergio Menduni, Marilena Giglio, Angelo Sampaolo, Pietro Patimisco, Hongpeng Wu, Lei Dong, Vincenzo Spagnolo
Publikováno v:
Photoacoustics, Vol 29, Iss , Pp 100438- (2023)
The increase in fatal accidents and chronic illnesses caused by hydrogen sulfide (H2S) exposure occurring in various workplaces is pushing the development of sensing systems for continuous and in-field monitoring of this hazardous gas. We report here
Externí odkaz:
https://doaj.org/article/2ddf70b003e94f4ebe339233feacd935
Autor:
Pan Luo, Jonathan Harrist, Giansergio Menduni, Rabah Mesdour, Nathan StMichel, Angelo Sampaolo
Publikováno v:
ACS Omega, Vol 7, Iss 4, Pp 3395-3406 (2022)
Externí odkaz:
https://doaj.org/article/b92e3eaf86aa421d91e56105c946ec2a
Autor:
Andrea Zifarelli, Giansergio Menduni, Marilena Giglio, Arianna Elefante, Anton Sukhinets, Angelo Sampaolo, Pietro Patimisco, Sun Fangyuan, Wang Chongwu, Qi Jie Wang, Vincenzo Spagnolo
Publikováno v:
Frontiers in Environmental Chemistry, Vol 3 (2022)
In this work we report on an innovative sensor box employing two acoustic detection modules connected in series for quartz-enhanced photoacoustic multi-gas detection. One detection module is coupled with an internal distributed-feedback quantum casca
Externí odkaz:
https://doaj.org/article/2093deb258fd44edb7e4c12b046cc3c9
Autor:
Giansergio Menduni, Andrea Zifarelli, Angelo Sampaolo, Pietro Patimisco, Marilena Giglio, Nicola Amoroso, Hongpeng Wu, Lei Dong, Roberto Bellotti, Vincenzo Spagnolo
Publikováno v:
Photoacoustics, Vol 26, Iss , Pp 100349- (2022)
A quartz enhanced photoacoustic spectroscopy (QEPAS) sensor capable to detect high concentrations of methane (C1) and ethane (C2) is here reported. The hydrocarbons fingerprint region around 3 µm was exploited using an interband cascade laser (ICL).
Externí odkaz:
https://doaj.org/article/a2118702780940f9ab964c2f28b8568d
Autor:
Michele Di Gioia, Luigi Lombardi, Cristoforo Marzocca, Gianvito Matarrese, Giansergio Menduni, Pietro Patimisco, Vincenzo Spagnolo
Publikováno v:
Micromachines, Vol 14, Iss 3, p 619 (2023)
Quartz tuning forks (QTFs) are employed as sensitive elements for gas sensing applications implementing quartz-enhanced photoacoustic spectroscopy. Therefore, proper design of the QTF read-out electronics is required to optimize the signal-to-noise r
Externí odkaz:
https://doaj.org/article/d39fa799e0cf4e84b9bd3522fb386540
Autor:
Fabrizio Sgobba, Angelo Sampaolo, Pietro Patimisco, Marilena Giglio, Giansergio Menduni, Ada Cristina Ranieri, Christine Hoelzl, Hubert Rossmadl, Christian Brehm, Verena Mackowiak, Dario Assante, Ezio Ranieri, Vincenzo Spagnolo
Publikováno v:
Photoacoustics, Vol 25, Iss , Pp 100318- (2022)
We report on the realization, calibration, and test outdoor of a 19-inches rack 3-units sized Quartz Enhanced Photoacoustic Spectroscopy (QEPAS) trace gas sensor designed for real-time carbon monoxide monitoring in ambient air. Since CO acts as a slo
Externí odkaz:
https://doaj.org/article/724f054a5c5f4b3ea818ba8738235349