scholarly journals Towards a new pseudo-quantitative approach to evaluate the ionization response of nitrogen compounds in complex matrices

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Julie Guillemant ◽  
Marion Lacoue-Nègre ◽  
Alexandra Berlioz-Barbier ◽  
Florian Albrieux ◽  
Luis P. de Oliveira ◽  
...  
Keyword(s):  
High Resolution Mass Spectrometry ◽  
Absolute Quantification ◽  
Petroleum Products ◽  
Nitrogen Compounds ◽  
Complex Matrices ◽  
Ft Icr Ms ◽  
Ft Icr ◽  
Ionization Response

AbstractUltra high-resolution mass spectrometry (FT-ICR MS) coupled to electrospray ionization (ESI) provides unprecedented molecular characterization of complex matrices such as petroleum products. However, ESI faces major ionization competition phenomena that prevent the absolute quantification of the compounds of interest. On the other hand, comprehensive two-dimensional gas chromatography (GC × GC) coupled to specific detectors (HRMS or NCD) is able to quantify the main families identified in these complex matrices. In this paper, this innovative dual approach has been used to evaluate the ionization response of nitrogen compounds in gas oils as a case study. To this extent, a large gas oil dataset has been analyzed by GC × GC/HRMS, GC × GC-NCD and ESI(+/−)-FT-ICR MS. Then, the concentrations obtained from GC × GC-NCD have been compared to those obtained from FT-ICR MS hence proving that strong ionization competitions are taking place and also depending on the origin of the sample. Finally, multilinear regressions (MLR) have been used to quantitatively predict nitrogen families from FT-ICR MS measurements as well as start rationalizing the ionization competition phenomena taking place between them in different types of gas oils.

scholarly journals Towards a New Pseudo-quantitative Approach to Evaluate the Ionization Response of Nitrogen Compounds in Complex Matrices

2021 ◽  
Author(s):  
Julie Guillemant ◽  
Marion Lacoue-Nègre ◽  
Alexandra Berlioz-Barbier ◽  
Florian Albrieux ◽  
Luis Pereira de Oliveira ◽  
...  
Keyword(s):  
High Resolution Mass Spectrometry ◽  
Absolute Quantification ◽  
Petroleum Products ◽  
Nitrogen Compounds ◽  
Complex Matrices ◽  
Ft Icr Ms ◽  
Ft Icr ◽  
Ionization Response

Abstract Ultra high-resolution mass spectrometry (FT-ICR MS) coupled to electrospray ionization (ESI) provides unprecedented molecular characterization of complex matrices such as petroleum products. However, ESI faces major ionization competition phenomena that prevent the absolute quantification of the compounds of interest. On the other hand, comprehensive two-dimensional gas chromatography (GC × GC) coupled to specific detectors (HRMS or NCD) is able to quantify the main families identified in these complex matrices. In this paper, this innovative dual approach has been used to evaluate the ionization response of nitrogen compounds in gas oils as a case study. To this extent, a large gas oil dataset has been analyzed by GC × GC/HRMS, GC × GC-NCD and ESI(+/-)-FT-ICR MS. Then, the concentrations obtained from GC × GC-NCD have been compared to those obtained from FT-ICR MS hence proving that strong ionization competitions are taking place and also depending on the origin of the sample. Finally, multilinear regressions (MLR) have been used to quantitatively predict nitrogen families from FT-ICR MS measurements as well as start rationalizing the ionization competition phenomena taking place between them in different types of gas oils.

Molecular characterization of size-segregated organic aerosols in the urban boundary layer in wintertime Beijing by FT-ICR MS

2021 ◽  
Author(s):  
Qiaorong Xie ◽  
Sihui Su ◽  
Shuang Chen ◽  
Qiang Zhang ◽  
Siyao Yue ◽  
...  
Keyword(s):  
Boundary Layer ◽  
Size Distribution ◽  
Molecular Characterization ◽  
Organic Aerosols ◽  
Urban Boundary Layer ◽  
Vertical Profiles ◽  
Unique Information ◽  
Ft Icr Ms ◽  
Ft Icr

Our study provides unique information on the vertical profiles and size distribution of urban organic aerosols by FT-ICR MS.

scholarly journals Characterization of Heavy Oil by FT-ICR MS Coupled with Various Ionization Techniques

2009 ◽  
Vol 52 (4) ◽  
pp. 159-171 ◽  
Author(s):  
Keiko Miyabayashi ◽  
Yasuhide Naito ◽  
Mikio Miyake
Keyword(s):  
Heavy Oil ◽  
Ft Icr Ms ◽  
Ft Icr

scholarly journals Molecular characterization of aldehydes and ketones in particle phase of mainstream and sidestream cigarette smoke

2019 ◽  
Vol 6 (2) ◽  
pp. 181832
Author(s):  
Xiu Chen ◽  
Quan Shi ◽  
Xibin Zhou ◽  
Xuezheng Liu
Keyword(s):  
Mass Spectrometry ◽  
Cigarette Smoke ◽  
Gas Chromatography Mass Spectrometry ◽  
Ion Cyclotron Resonance ◽  
Particle Phase ◽  
Orbitrap Mass Spectrometry ◽  
Aldehydes And Ketones ◽  
Ft Icr Ms ◽  
Ft Icr

Aldehydes and ketones (AKs) in cigarette smoke are risk to humans and environment. Due to the complexity of itself and the interference of the smoke tar matrix, the aldehydes and ketones in particle phase (AKPs) of mainstream smoke (MSS) and sidestream smoke (SSS) have not been well investigated. In this study, the AKPs of MSS and SSS were derivatized into polar products by reaction with Girard T reagent. The derivatives were isolated rapidly by column chromatography and analysed by Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS). Fifteen species of aldehydes and ketones were detected by positive ion electrospray ionization (ESI) FT-ICR MS: O 1–6 , N 1 O 1–4 , N 2 O 1–3 and N 3 O 2–3 . The total number of AKPs obtained by ESI FT-ICR MS in MSS and SSS is about 1100 and 970, respectively. After hydrolysis, the original AKPs were obtained and 63 carbonyls were identified and quantified by gas chromatography–mass spectrometry (GCMS). The nitrogen-containing and high-oxygen AKPs were further characterized by Orbitrap mass spectrometry. Structures of compounds with high relative abundance in the mass spectrum were speculated (e.g. a series of degradants of cembrenediol) by comparison with the results of GCMS.

scholarly journals FT-ICR-MS Characterization of Intermediates in the Biosynthesis of the α-Methylbutyrate Side Chain of Lovastatin by the 277 kDa Polyketide Synthase LovF

Biochemistry ◽  
2011 ◽  
Vol 50 (2) ◽  
pp. 287-299 ◽  
Author(s):  
Michael J. Meehan ◽  
Xinkai Xie ◽  
Xiling Zhao ◽  
Wei Xu ◽  
Yi Tang ◽  
...  
Keyword(s):  
Polyketide Synthase ◽  
Side Chain ◽  
Ft Icr Ms ◽  
Ft Icr

Characterization of petroleum acids using combined FT-IR, FT-ICR–MS and GC–MS: Implications for the origin of high acidity oils in the Muglad Basin, Sudan

2010 ◽  
Vol 41 (9) ◽  
pp. 959-965 ◽  
Author(s):  
Maowen Li ◽  
Dingsheng Cheng ◽  
Xiaohua Pan ◽  
Lirong Dou ◽  
Dujie Hou ◽  
...  
Keyword(s):  
High Acidity ◽  
Ft Ir ◽  
Ft Icr Ms ◽  
Ft Icr

Emerging Technologies for Identification of Disinfection Byproducts:  GC/FT−ICR MS Characterization of Solvent Artifacts

2007 ◽  
Vol 41 (15) ◽  
pp. 5419-5425 ◽  
Author(s):  
Caleb Heffner ◽  
Indira Silwal ◽  
John M. Peckenham ◽  
Touradj Solouki
Keyword(s):  
Emerging Technologies ◽  
Disinfection Byproducts ◽  
Ft Icr Ms ◽  
Ft Icr
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