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1. Detection of polycyclic aromatic hydrocarbons using a high performance-single particle aerosol mass spectrometer

Author:
Yao Zhang; Chenglei Pei; Jinwen Zhang; Chunlei Cheng; Xiufeng Lian; Mubai Chen; Bo Huang; Zhong Fu; Zhen Zhou; Mei Li
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 806-822
ISSN:
1001-0742
Subject:
mass spectrometry,   etc   ; aerosols; algorithms; biomass; comparative study; spectrometers; China;     Show all 7 Subjects
Abstract:
... The real-time detection of the mixing states of polycyclic aromatic hydrocarbons (PAHs) and nitro-PAHs in ambient particles is of great significance for analyzing the source, aging process, and health effects of PAHs and nitro-PAHs; yet there is still few effective technology to achieve this type of detection. In this study, 11 types of PAH and nitro-PAH standard samples were analyzed using a high ...
DOI:
10.1016/j.jes.2022.02.003

2. Determination of particulate polycyclic aromatic hydrocarbons in ambient air by gas chromatography-mass spectrometry after molecularly imprinted polymer extraction

Author:
Maria Chiara Pietrogrande; Giorgia Demaria; Mara Russo
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 644-654
ISSN:
1001-0742
Subject:
gas chromatography-mass spectrometry,   etc   ; air; air quality; benzene; molecular imprinting; particulates; polyacrylic acid; quantitative analysis; China;     Show all 9 Subjects
Abstract:
... A solid phase extraction procedure (SPE) is described for the quantitative analysis of polycyclic aromatic hydrocarbons (PAHs) in atmospheric particulate matter (PM), as ubiquitous environmental pollutants routinely measured in air quality monitoring. A SPE cartridge was used based on a molecular imprinted polymer (MIP-SPE) properly tailored for selective retention of PAHs with 4 and more benzene ...
DOI:
10.1016/j.jes.2021.11.021

3. Imaging and Direct Sampling Capabilities of Nanospray Desorption Electrospray Ionization with Absorption-Mode 21 Tesla Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

Author:
Gregory W. Vandergrift; William Kew; Jessica K. Lukowski; Arunima Bhattacharjee; Andrey V. Liyu; Elizabeth A. Shank; Ljiljana Paša-Tolić; Venkateshkumar Prabhakaran; Christopher R. Anderton
Source:
Analytical chemistry 2022 v.94 no.8 pp. 3629-3636
ISSN:
1520-6882
Subject:
electrospray ionization mass spectrometry; tandem mass spectrometry,   etc   ; Fusarium; analytical chemistry; brain; data collection; desorption; rats;     Show all 8 Subjects
Abstract:
... Nanospray desorption electrospray ionization mass spectrometry, a powerful ambient sampling and imaging technique, is herein coupled as an isolated source with 21 Tesla (21T) Fourier transform ion cyclotron resonance mass spectrometry (FTICR MS). Absorption-mode data, enabled by an external data acquisition system, is applied for improved mass resolution, accuracy, and dynamic range without compro ...
DOI:
10.1021/acs.analchem.1c05216

4. LC-MS/MS method for quantifying aescinate A and B and assessing their relationship with phlebitis

Author:
Cailian Fei; Yuehao Han; Zhipeng Wang; Dongyuan Lu; Hanglin Li; Wansheng Chen; Shouhong Gao; You Yin
Source:
Analytical biochemistry 2022 v.646 pp. 114636
ISSN:
0003-2697
Subject:
electrospray ionization mass spectrometry; tandem mass spectrometry,   etc   ; biochemistry; data collection; humans; infarction; liquid chromatography; methanol; phlebitis;     Show all 9 Subjects
Abstract:
... The purpose of this study is to establish and validate a sensitive, robust and rapid liquid chromatography-tandem mass spectrometry method for quantifying the aescinate A and aescinate B in human plasma and assessing the association of phlebitis and aescinate A and aescinate B in vivo exposure. The chromatographic separation was completed on Agilent ZORBAX SB-C₁₈ (2.1 mm × 100 mm, 3.5 μm, Agilent, ...
DOI:
10.1016/j.ab.2022.114636

5. Mass spectrometry imaging and its potential in food microbiology

Author:
Yuchen Zou; Weiwei Tang; Bin Li
Source:
International journal of food microbiology 2022 v.371 pp. 109675
ISSN:
0168-1605
Subject:
mass spectrometry,   etc   ; food microbiology; microbiology;     Show all 3 Subjects
Abstract:
... Mass spectrometry imaging (MSI) is a tool capable of simultaneously providing in situ untargeted chemical information as well as the spatial distribution of vast molecular species with high efficiency. Over decades, this technique has been proven quite solid in many life science disciplines including microbiology, yet few food microbiologists have been using it. This review briefly introduces MSI ...
DOI:
10.1016/j.ijfoodmicro.2022.109675

6. Development of a multi-hormone analysis method by LC-MS/MS for environmental water application using diffusive gradient in thin films

Author:
Rachel Martins de Barros; Sophie Lissalde; Robin Guibal; Gilles Guibaud
Source:
Talanta 2022 v.243 pp. 123390
ISSN:
0039-9140
Subject:
electrospray ionization mass spectrometry; tandem mass spectrometry,   etc   ; androstenedione; calibration; diethylstilbestrol; estriol; estrone; evaporation; liquid chromatography; progestational hormones; prostaglandins;     Show all 11 Subjects
Abstract:
... An analysis method for four families of hormones (estrogens, progestins, androgens and prostaglandins), dedicated to an efficient water monitoring with passive sampling, was developed using a liquid chromatography tandem mass spectrometry with triple quadrupole coupling and universal electrospray ionisation. Thirteen natural and synthetic hormones in ultra-pure water could be analysed in a single ...
DOI:
10.1016/j.talanta.2022.123390

7. Cryo secondary ion mass spectrometry for wood component visualization: a mini review

Author:
Dan Aoki; Yasuyuki Matsushita; Kazuhiko Fukushima
Source:
Holzforschung 2022 v.76 no.2 pp. 145-154
ISSN:
1437-434X
Subject:
mass spectrometry,   etc   ; energy; molecular weight; wood;     Show all 4 Subjects
Abstract:
... Various phenomena in living physiological systems are conducted on the hydrated conditions, and in many cases, they do not work in a dry state. Imaging mass spectrometry is one of the direct detection methods scanning the sample surface with some focused and pulsed energy and analysing the sputtered components. However, under the high vacuum conditions required for usual imaging mass spectrometry, ...
DOI:
10.1515/hf-2021-0142

8. Parmosidone K, a new meta-depsidone from the lichen Parmotrema tsavoense

Author:
Thi-Hoai-Thu Nguyen; Thi-My-Nhung Nguyen; Thanh-Trung Nguyen; Huu-Hung Nguyen; Ngoc-Hong Nguyen; Dinh-Tri Mai; Bui-Linh-Chi Huynh; Cong-Luan Tran; Thuc-Huy Duong
Source:
Natural product research 2022 v.36 no.8 pp. 2037-2042
ISSN:
1478-6427
Subject:
mass spectrometry,   etc   ; Parmotrema; lichens; phytochemicals; research;     Show all 5 Subjects
Abstract:
... Further phytochemical investigation on P. tsavoense led to one new meta-depsidone, parmosidone K together with one known compound, barbatic acid. Their structures were determined by 1D and 2D NMR analysis, high resolution mass spectroscopy, and comparison their NMR data with those reported in literatures. Parmosidone K was evaluated for α-glucosidase inhibition and revealed the powerful activity w ...
DOI:
10.1080/14786419.2020.1844697

9. Towards one sample per second for mass spectrometric screening of engineered microbial strains

Author:
Lihao Fu; Erpeng Guo; Jianzhi Zhang; Keyi Li; Yongcan Chen; Tong Si
Source:
Current opinion in biotechnology 2022 v.76 pp. 102725
ISSN:
0958-1669
Subject:
mass spectrometry,   etc   ; biotechnology; feedstocks; instrumentation; robots;     Show all 5 Subjects
Abstract:
... Microbial cell factories convert renewable feedstocks into desirable chemicals and materials. Due to the lack of predictive modeling, high-throughput screening remains essential for microbial strain engineering. Mass spectrometry (MS) is a label-free modality with superior sensitivity and chemical specificity. Critical advances in improving the throughput of MS assays on complex microbial samples ...
DOI:
10.1016/j.copbio.2022.102725

10. Ultra-high-performance liquid chromatography-atmospheric pressure ionization-tandem mass spectrometry method for the migration studies of primary aromatic amines from food contact materials

Author:
Ane Arrizabalaga-Larrañaga; Pedro de Juan-de Juan; Claudia Bressan; Mercedes Vázquez-Espinosa; Ana V. González-de-Peredo; F. Javier Santos; Encarnación Moyano
Source:
Analytical and bioanalytical chemistry 2022 v.414 no.9 pp. 3137-3151
ISSN:
1618-2642
Subject:
electrospray ionization mass spectrometry; tandem mass spectrometry,   etc   ; acetic acid; acetonitrile; analytical chemistry; atmospheric pressure; ionization; liquid chromatography; nylon; standard deviation;     Show all 10 Subjects
Abstract:
... This work describes the development of an ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method for the determination of 23 primary aromatic amines (PAAs) that can potentially migrate from food contact materials. The chromatographic separation was performed in a pentafluorophenylpropyl (PFPP) column achieving the separation of all PAAs in less than 6.5 min usin ...
DOI:
10.1007/s00216-022-03946-3

11. Characterization of the metabolites of trans-resveratrol-3-O-glucoside in monkeys and dogs

Author:
Mei-Ying Su; Chao Dong; Ji-Yun Wan; Wen-Dong Qu; Mao-Jin Zhou
Source:
Journal of Asian natural products research 2022 v.24 no.2 pp. 179-189
ISSN:
1477-2213
Subject:
mass spectrometry,   etc   ; liquid chromatography; metabolism; metabolites; prototypes;     Show all 5 Subjects
Abstract:
... In this study, a liquid chromatography-tandem multi-stage mass spectrometry (LC/MSⁿ) method was established to characterize the metabolites of TRG in monkeys and dogs. A total of seven metabolites of TRG besides the prototype were found, which were identified as TR (M1), TRN (M2), trans-resveratrol-4'-O-glucuronide (M2'), trans-resveratrol-3-O-glucoside-4'-O-glucuronide (M3), trans-resveratrol-3-O ...
DOI:
10.1080/10286020.2021.1878157

12. Determination of Pesticide Residues in Strawberries by Ultra-performance Liquid Chromatography-Tandem Mass Spectrometry

Author:
Hui Wang; Hua Ping; Qingju Liu; Ping Han; Xiaojun Guo
Source:
Food analytical methods 2022 v.15 no.1 pp. 85-95
ISSN:
1936-9751
Subject:
tandem mass spectrometry,   etc   ; pesticides; sorbents; strawberries; China;     Show all 5 Subjects
Abstract:
... A method based on QuEChERS (quick, easy, cheap, effective, rugged, and safe) sample preparation coupled with ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) was developed for determining 43 pesticide residues in strawberries. The clean-up sorbents were optimized, with 50 mg PSA + 50 mg C18 + 150 mg MgSO₄ showing the best performance in d-SPE. The effect of injection v ...
DOI:
10.1007/s12161-021-02102-4

13. Evaluation of Ion Mobility Spectrometry for Improving Constitutional Assignment in Natural Product Mixtures

Author:
Fausto Carnevale Neto; Trevor N. Clark; Norberto P. Lopes; Roger G. Linington
Source:
Journal of natural products 2022 v.85 no.3 pp. 519-529
ISSN:
1520-6025
Subject:
tandem mass spectrometry,   etc   ; liquid chromatography; metabolites; solvents;     Show all 4 Subjects
Abstract:
... The comprehensive chemical characterization of biological samples remains a central challenge in the field of natural products. Conventional workflows using liquid chromatography (LC)-coupled high-resolution tandem mass spectrometry (MS/MS or MS²) allow the detection of relevant small molecules while providing diagnostic fragment ions for their structural assignment. Still, many natural product ex ...
DOI:
10.1021/acs.jnatprod.1c01048

14. Laser ablation electrospray ionization mass spectrometry imaging as a new tool for accessing patulin diffusion in mold-infected fruits

Author:
Gesiane da Silva Lima; Gabriel Franco dos Santos; Ruver Rodrigues Feitosa Ramalho; Deborah Victoria Alves de Aguiar; Jussara Valente Roque; Lanaia Itala Louzeiro Maciel; Rosineide Costa Simas; Igor Pereira; Boniek Gontijo Vaz
Source:
Food chemistry 2022 v.373 pp. 131490
ISSN:
0308-8146
Subject:
electrospray ionization mass spectrometry,   etc   ; food chemistry; patulin;     Show all 3 Subjects
Abstract:
... This work describes the use of laser ablation electrospray ionization mass spectrometry imaging (LAESI imaging) to investigate the diffusion of the mycotoxin patulin from rotten to healthy areas of fruits. Slices of mold-infected and uninfected (control) apples and strawberries were prepared, and this was the only sample preparation step used. An infrared laser beam (2.94 μm) was used to irradiate ...
DOI:
10.1016/j.foodchem.2021.131490

15. Nontargeted screening method for veterinary drugs and their metabolites based on fragmentation characteristics from ultrahigh-performance liquid chromatography-high-resolution mass spectrometry

Author:
Wenying Liang; Fujian Zheng; Tiantian Chen; Xiuqiong Zhang; Yueyi Xia; Zaifang Li; Xin Lu; Chunxia Zhao; Guowang Xu
Source:
Food chemistry 2022 v.369 pp. 130928
ISSN:
0308-8146
Subject:
mass spectrometry,   etc   ; databases; eggs; food chemistry; metabolites;     Show all 5 Subjects
Abstract:
... Nontargeted screening of both veterinary drugs and their metabolites is important for comprehensive safety evaluation of animal-derived foods. In this study, a novel nontargeted screening strategy was developed for veterinary drugs and their metabolites based on fragmentation characteristics from ultrahigh-performance liquid chromatography–high-resolution mass spectrometry. First, an in-house data ...
DOI:
10.1016/j.foodchem.2021.130928

16. The first report on the use of deuterium-labelled water in analysing the splash phenomenon

Author:
C. Polakowski; M. Beczek; R. Mazur; A. Sochan; M. Ryżak; A. Bieganowski
Source:
Journal of hydrology 2022 v.610 pp. 127882
ISSN:
0022-1694
Subject:
mass spectrometry,   etc   ; evaporation; hydrology; models; stable isotopes;     Show all 5 Subjects
Abstract:
... Splash is a widely studied phenomenon, partly forming the phenomenon of erosion. Until now, tracing the origin of splash water was a highly error-prone, or impossible, task. We propose a method for tracking splash water by means of stable isotope ratio mass spectrometry (IRMS) analysis. We tested the method on a water-water model, checking the effect of drop height, water layer thickness and the e ...
DOI:
10.1016/j.jhydrol.2022.127882

17. A precise self‐built secondary mass database for identifying red dyes and dyeing techniques with UPLC‐MS/MS

Author:
Yujie Guo; Lei Shi; Xudong Zhou; Wei Xia; Lingfan Zhang; Zhizhen Xu; Xiyun Luo; Wenqing Zhang
Source:
Journal of mass spectrometry 2022 v.57 no.5 pp. e4823
ISSN:
1076-5174
Subject:
electrospray ionization mass spectrometry; tandem mass spectrometry,   etc   ; Caesalpinia sappan; Carthamus tinctorius; Rubia; color; databases; humans; museums; solvents; ultra-performance liquid chromatography; China;     Show all 12 Subjects
Abstract:
... Dyes on ancient silks have been a worth studying field through human's history, although current reports ignore the connection between natural dyes origin and relevant colour reduction methods, which poses an insurmountable obstacle for restoration of historical silks. In this paper, a series of 12 red hue silks from six natural dyes (sappanwood, Chinese madder, safflower, lac, cochineal, dragon's ...
DOI:
10.1002/jms.4823

18. Comprehensive chemical characterization of dissolved organic matter in typical point-source refinery wastewaters

Author:
Yuguo Li; Baichun Wu; Chen He; Fan Nie; Quan Shi
Source:
Chemosphere 2022 v.286 pp. 131617
ISSN:
0045-6535
Subject:
electrospray ionization mass spectrometry; gas chromatography-mass spectrometry,   etc   ; benzene; dissolved organic matter; distillation; fluorescence emission spectroscopy; petroleum; toxicity; volatile organic compounds; wastewater;     Show all 10 Subjects
Abstract:
... In petroleum refineries, the electric desalting, distillation, and stripping processes could generate large amounts of wastewaters that contain toxic substances. In this study, eight wastewater samples were collected from the three typical refining processes for comprehensive chemical characterization of the dissolved organic matter (DOM) using excitation emission matrix fluorescence spectroscopy, ...
DOI:
10.1016/j.chemosphere.2021.131617

19. A novel methodology and strategy to detect low molecular aldehydes in beer based on charged microdroplet driving online derivatization and high resolution mass spectrometry

Author:
Zifang Peng; Yake Luo; Chenchen Song; Yanhao Zhang; Shihao Sun; Ajuan Yu; Wenfen Zhang; Wuduo Zhao; Shusheng Zhang; Jianping Xie
Source:
Food chemistry 2022 v.383 pp. 132380
ISSN:
0308-8146
Subject:
mass spectrometry,   etc   ; beers; derivatization; food chemistry; food quality;     Show all 5 Subjects
Abstract:
... The concentration of aldehydes is one of the important indicators in the food quality and safety. To efficiently analyze the four aldehydes (methanal, ethanal, propanal and n-butanal) in beer, charged microdroplet driving online derivatization apparatus coupled with high resolution mass spectrometry was firstly developed. Utilizing the high-speed reaction accelerated by microdroplets, the offline ...
DOI:
10.1016/j.foodchem.2022.132380

20. Characterization of microchannel plate detector response for the detection of native multiply charged high mass single ions in orthogonal‐time‐of‐flight mass spectrometry using a Timepix detector

Author:
Anjusha Mathew; Gert B. Eijkel; Ian G. M. Anthony; Shane R. Ellis; Ron M. A. Heeren
Source:
Journal of mass spectrometry 2022 v.57 no.4 pp. e4820
ISSN:
1076-5174
Subject:
mass spectrometry,   etc   ; Poisson distribution; electric potential difference; equations;     Show all 4 Subjects
Abstract:
... Time‐of‐flight (TOF) systems are one of the most widely used mass analyzers in native mass spectrometry (nMS) for the analysis of non‐covalent multiply charged bio‐macromolecular assemblies (MMAs). Typically, microchannel plates (MCPs) are employed for high mass native ion detection in TOF MS. MCPs are well known for their reduced detection efficiency when impinged by large slow moving ions. Here, ...
DOI:
10.1002/jms.4820