Jun 06, 2026
Raman spectroscopy has become a key tool for resolving the molecular behavior of interfaces due to its non-invasiveness, fingerprinting ability
Sep 30, 2025
Initial studies on aging detection of three way catalysts with a microwave cavity perturbation method were conducted. Two physico-chemical
Oct 16, 2025
Spectroscopy can therefore determine how the active catalyst forms under reaction conditions and how the catalytic mechanism operates, but quantitative infor-mation is required to know whether
Jan 05, 2026
Electron paramagnetic resonance spectroscopy (EPR) is a powerful tool for investigating paramagnetic species, including organic radicals, inorganic
Mar 03, 2026
2. Surface-enhanced Raman spectroscopy Surface-enhanced Raman spectroscopy (SERS) combines the sensitivity of a molecule with the specificity
Jul 17, 2025
On-board diagnosis (OBD) aims at detecting malfunctions of emission-related components of road vehicles. It is required by legislation in United States and the European Union, as it is
Apr 26, 2026
Electron paramagnetic resonance (EPR) spectroscopy is a sensitive and selective tool for probing paramagnetic compounds and materials,
Oct 09, 2025
Abstract:This study reassesses an overview of the potential of the radio frequency (RF)-based state diagnostics of three-way catalysts (TWC) based on a previous study with an emphasis on the defect
Apr 20, 2026
Robust and sensitive methods for the detection of microRNAs (miRNAs) are crucial in the clinical diagnosis of cancers. In this study, a novel electrochemical biosensor with high sensitivity for
Dec 13, 2025
Abstract: Recently, radio frequency (RF) technology was introduced as a tool to determine the oxygen storage level of a three-way catalyst (TWC) for gasoline vehicles.
Mar 10, 2026
The handheld XRF 3-way catalytic analyzer is used to analyze the content of platinum, rhodium and palladium in the 3-way catalytic converter.The internal
Jun 19, 2026
Recently, radio frequency (RF) technology was introduced as a tool to determine the oxygen storage level of a three-way catalyst (TWC) for gasoline
Dec 06, 2025
IsoNet, an isotopologue similarity networking strategy based on mass spectrometry-resolved stable-isotope tracing metabolomics, enables ab
Jan 22, 2026
Knowledge of the actual catalyst state plays a key role in automotive exhaust gas aftertreatment. The oxygen loading degree of three-way catalysts (TWC), the amount of stored
Dec 04, 2025
This study reassesses an overview of the potential of the radio frequency (RF)-based state diagnostics of three-way catalysts (TWC) based on a
Apr 19, 2026
We present the development and performance of an optically detected magnetic resonance (ODMR) spectrometer. The spectrometer represents advances over similar instruments in
May 06, 2026
The combination of molecular biology and nanobiotechnology has spurred a paradigm shift in precision medicine, offering unparalleled capabilities in disease detection, targeted therapy, and
Mar 28, 2026
This review highlights the often-overlooked potential of electron paramagnetic resonance (EPR) spectroscopy, which is exceptionally suited to studying isolated paramagnetic species.
Sep 09, 2025
In terms of the systems being investigated, EPR covers a wide range of applications from heterogeneous, via homogeneous catalysts all the way to
Sep 29, 2025
For the first time this study presents a comparison under defined laboratory conditions considering both, resonance frequency and also the quality
Jun 28, 2026
This article sheds light on the basic behavior of the radio frequency-based state diagnosis of three-way catalytic converters, deals with cross-sensitivities of the measuring principle, and provides an
Aug 18, 2025
For these experiments, a smaller resonator- and catalyst geometry was used to achieve space velocities that are typical for TWCs during engine operation, and
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