A Simple High-Flux Switchable VUV Lamp Based on an Electrodeless Fluorescent Lamp for SPI/PAI Mass Spectrometry

Z Yan, L Shan, S Cheng, Z Yu, Z Wei, H Wang… - Analytical …, 2023 - ACS Publications
Single-photon ionization (SPI) is a unique soft ionization technique for organic analysis. A
convenient high-flux vacuum ultraviolet (VUV) light source is a key precondition for wide …

Online study on the catalytic pyrolysis of bituminous coal over HUSY and HZSM-5 with photoionization time-of-flight mass spectrometry

Y Zhu, X Chen, Y Wang, W Wen, Y Wang, J Yang… - Energy & …, 2016 - ACS Publications
Pyrolysis is considered to be a simple and effective method for the clean conversion of coal.
In this work, catalytic pyrolysis of bituminous coal over two commercial available zeolites, ie …

Manipulation of Ion Conversion in Dichloromethane-Enhanced Vacuum Ultraviolet Photoionization Mass Spectrometry of Oxygenated Volatile Organic Compounds

Y Yu, J Jiang, L Hua, Y Xu, C Chen, Y Chen… - Analytical …, 2023 - ACS Publications
The ion conversion processes in CH2Cl2-enhanced vacuum ultraviolet photoionization of
oxygenated volatile organic compounds (OVOCs) have been systematically studied by …

Design study of an atmospheric pressure photoionization interface for GC-MS

H Kersten, K Kroll, K Haberer… - Journal of The …, 2016 - ACS Publications
This contribution reports on the development of an atmospheric pressure photoionization
(APPI) source interfacing a gas chromatograph (GC) with a bench-top Orbitrap high …

Desorption atmospheric pressure photoionization and direct analysis in real time coupled with travelling wave ion mobility mass spectrometry

RM Räsänen, P Dwivedi, FM Fernández… - Rapid …, 2014 - Wiley Online Library
RATIONALE Ambient mass spectrometry (MS) is a tool for screening analytes directly from
sample surfaces. However, background impurities may complicate the spectra and therefore …

An ultrasensitive SPI/PAI ion source based on a high-flux VUV lamp and its applications for the online mass spectrometric detection of sub-pptv sulfur ethers

Y Guo, H Wang, B Yang, J Shu, K Jiang, Z Yu, Z Zhang… - Talanta, 2022 - Elsevier
Single-photon ionization mass spectrometry (SPI-MS) is an attractive analytical technique for
the online detection of volatile organic compounds; however, the low photon flux of the …

Improving the Sensitivity and Linear Range of Photoionization Ion Mobility Spectrometry via Confining the Ion Recombination and Space Charge Effects Assisted by …

Y Xu, Q Yang, M Pan, D Jiang, Y Yu, C Chen… - Analytical …, 2024 - ACS Publications
Photoionization (PI) is an efficient ionization source for ion mobility spectrometry (IMS) and
mass spectrometry. Its hyphenation with IMS (PI-IMS) has been employed in various on-site …

Ultrasonic nebulization extraction/low pressure photoionization mass spectrometry for direct analysis of chemicals in matrices

C Liu, Y Zhu, Z Zhou, J Yang, F Qi, Y Pan - Analytica Chimica Acta, 2015 - Elsevier
A novel ultrasonic nebulization extraction/low-pressure photoionization (UNE-LPPI) system
has been designed and employed for the rapid mass spectrometric analysis of chemicals in …

Note: A novel vacuum ultraviolet light source assembly with aluminum-coated electrodes for enhancing the ionization efficiency of photoionization mass spectrometry

Z Zhu, J Wang, K Qiu, C Liu, F Qi, Y Pan - Review of Scientific …, 2014 - pubs.aip.org
A novel vacuum ultraviolet (VUV) light source assembly (VUVLSA) for enhancing the
ionization efficiency of photoionization mass spectrometer has been described. The …

Rapid Quantification of Endogenous Steroids in Human Serum Using Leidenfrost Effect-Assisted Thermal Desorption Atmospheric Pressure Photoionization Orbitrap …

W Zhao, J Zhang, A Feng, H Yin, C Liu… - Journal of the American …, 2022 - ACS Publications
Unconjugated sex steroids in human serum play a crucial role in physiological and
pathological studies and are frequently considered as biomarkers in clinical diagnosis …