Monitoring Acetone with Photoacoustic Spectroscopy Using a Metal–Organic Framework
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Optical Materials"
DOI: 10.1002/adom.202302280
Abstract: Herein, this study describes a sample preconcentration apparatus based on a metal–organic framework (MOF) of NH2‐UIO‐66@PDMS adsorbent, which is first coupled to photoacoustic spectroscopy (PAS) technology for detection of acetone. The MOF selectively traps acetone… read more here.
Keywords: spectroscopy; preconcentration; organic framework; acetone ... See more keywords
Sub‐ppb nitrogen dioxide detection based on resonant photoacoustic spectroscopy
Sign Up to like & getrecommendations! Published in 2021 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32836
Abstract: A photoacoustic spectroscopy sensor for nitrogen dioxide (NO2) detection was presented based on a high‐power broadband blue diode laser emitting at 446 nm. An optical chopper was replaced by a transistor transistor logic modulation signal… read more here.
Keywords: nitrogen dioxide; photoacoustic spectroscopy; spectroscopy; detection ... See more keywords
Advances in fiber‐based quartz enhanced photoacoustic spectroscopy for trace gas sensing
Sign Up to like & getrecommendations! Published in 2021 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32841
Abstract: Fiber‐based quartz enhanced photoacoustic spectroscopy (QEPAS) is a method for trace gas sensing with excellent properties such as high sensitivity and strong applicability. It has received extensive attention and become particularly attractive in recent years.… read more here.
Keywords: photoacoustic spectroscopy; fiber based; spectroscopy; enhanced photoacoustic ... See more keywords
Toward noninvasive precision: a meta-analysis of photoacoustic spectroscopy in breast cancer
Sign Up to like & getrecommendations! Published in 2025 at "Lasers in Medical Science"
DOI: 10.1007/s10103-025-04714-2
Abstract: Breast cancer is one of the most common lethal cancers in the world. Standard diagnostic methods, particularly tissue biopsies, are invasive and often fail to detect tumor heterogeneity, leading to suboptimal treatment outcomes. This study… read more here.
Keywords: spectroscopy; breast cancer; analysis; photoacoustic spectroscopy ... See more keywords
Photoacoustic Spectroscopy in the Characterization of Bread with Turmeric Addition
Sign Up to like & getrecommendations! Published in 2020 at "Food and Bioprocess Technology"
DOI: 10.1007/s11947-020-02546-2
Abstract: In this research, we will apply photoacoustic spectroscopy and evaluate bread added with turmeric (Curcuma longa Linnaeus) at different concentrations in relation to wheat flour weight (0, 1.25, 2.5, 5, and 10%). The amplitude of… read more here.
Keywords: bread turmeric; addition; spectroscopy; bread ... See more keywords
Photoacoustic spectroscopy as a potential method for studying fouling of flat-sheet ultrafiltration membranes
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2019.04.048
Abstract: Abstract In this study, the application of photoacoustic spectroscopy (FT-IR/PAS) is proposed to investigate membrane fouling phenomena. Ultrafiltration membranes made of polyether sulfone (PES) in modules operated at different flow regimes (dead-end and cross-flow) were… read more here.
Keywords: photoacoustic spectroscopy; spectroscopy; membrane; ultrafiltration membranes ... See more keywords
A method for bivalve shells characterization by FT-IR photoacoustic spectroscopy as a tool for environmental studies
Sign Up to like & getrecommendations! Published in 2022 at "MethodsX"
DOI: 10.1016/j.mex.2022.101672
Abstract: Fourier Transform Infrared Spectroscopy has been employed to investigate the composition of the shells of two marine bivalves Mytilus galloprovincialis and Corbula gibba from four samples collected from the Mar Piccolo of Taranto (Ionian Sea,… read more here.
Keywords: photoacoustic spectroscopy; methodology; spectroscopy; bivalve shells ... See more keywords
Evaluation of photosensitizer penetration into sound and decayed dentin: A photoacoustic spectroscopy study.
Sign Up to like & getrecommendations! Published in 2018 at "Photodiagnosis and photodynamic therapy"
DOI: 10.1016/j.pdpdt.2017.11.008
Abstract: BACKGROUND Photodynamic therapy (PDT) may have topical indications. In those cases it is important for a topical photosensitizer to penetrate into the tissue to which it has been applied. This study aimed to compare the… read more here.
Keywords: decayed dentin; dentin; photosensitizer; penetration ... See more keywords
Quartz-Enhanced Photoacoustic Spectroscopy-Conductance Spectroscopy for Gas Mixture Analysis.
Sign Up to like & getrecommendations! Published in 2023 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.3c01081
Abstract: A novel spectroscopic method, named quartz-enhanced photoacoustic spectroscopy-conductance spectroscopy (QEPAS-CS), was first developed for gas mixture analysis. In QEPAS-CS, the advantage of photoacoustic detection and conductance analysis was realized by a quartz tuning fork (QTF).… read more here.
Keywords: conductance; spectroscopy; analysis; gas mixture ... See more keywords
Simultaneous Detection of Major Greenhouse Gases with Multiresonator Photoacoustic Spectroscopy.
Sign Up to like & getrecommendations! Published in 2024 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.4c02754
Abstract: Greenhouse gas (GHG) detection plays an important role in climate change research and industry applications. A novel photoacoustic spectroscopy (PAS) sensor based on multiple resonators has been developed for the detection of GHGs. The major… read more here.
Keywords: detection; spectroscopy; greenhouse; photoacoustic cell ... See more keywords
Empirical Modal Decomposition Combined with Deep Learning for Photoacoustic Spectroscopy Detection of Mixture Gas Concentrations.
Sign Up to like & getrecommendations! Published in 2024 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.4c04479
Abstract: In photoacoustic spectroscopy based multicomponent gas analysis, the overlap of the absorption spectra among different gases can affect the measurement accuracy of gas concentrations. We report a multicomponent gas analysis method based on empirical modal… read more here.
Keywords: spectroscopy; modal decomposition; empirical modal; gas ... See more keywords