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Aymerich J, Ferrer-Vilanova A, Cisneros-Fernández J, Escudé-Pujol R, Guirado G, Terés L, Dei M, Muñoz-Berbel X, Serra-Graells F. Ultrasensitive bacterial sensing using a disposable all-in-one amperometric platform with self-noise cancellation. Biosens Bioelectron 2023; 234:115342. [PMID: 37141829 DOI: 10.1016/j.bios.2023.115342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 04/16/2023] [Accepted: 04/20/2023] [Indexed: 05/06/2023]
Abstract
The early detection of very low bacterial concentrations is key to minimize the healthcare and safety issues associated with microbial infections, food poisoning or water pollution. In amperometric integrated circuits for electrochemical sensors, flicker noise is still the main bottleneck to achieve ultrasensitive detection with small footprint, cost-effective and ultra-low power instrumentation. Current strategies rely on autozeroing or chopper stabilization causing negative impacts on chip size and power consumption. This work presents a 27-μW potentiostatic-amperometric Delta-Sigma modulator able to cancel its own flicker noise and provide a 4-fold improvement in the limit of detection. The 2.3-mm2 all-in-one CMOS integrated circuit is glued to an inkjet-printed electrochemical sensor. Measurements show that the limit of detection is 15 pArms, the extended dynamic range reaches 110 dB and linearity is R2 = 0.998. The disposable device is able to detect, in less than 1h, live bacterial concentrations as low as 102 CFU/mL from a 50-μL droplet sample, which is equivalent to 5 microorganisms.
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Affiliation(s)
- Joan Aymerich
- Instituto de Microelectrónica de Barcelona, IMB-CNM(CSIC), Spain
| | | | | | | | - Gonzalo Guirado
- Department of Chemistry, Universitat Autònoma de Barcelona, Spain
| | - Lluís Terés
- Instituto de Microelectrónica de Barcelona, IMB-CNM(CSIC), Spain; Department of Microelectronics and Electronic Systems, Universitat Autònoma de Barcelona, Spain
| | - Michele Dei
- Instituto de Microelectrónica de Barcelona, IMB-CNM(CSIC), Spain; Department of Information Engineering, Università di Pisa, Italy
| | | | - Francisco Serra-Graells
- Instituto de Microelectrónica de Barcelona, IMB-CNM(CSIC), Spain; Department of Microelectronics and Electronic Systems, Universitat Autònoma de Barcelona, Spain.
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2
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Liu Z, Liu LX, Han QD, Dong GZ, Wang B, Zhang JF, Lei SM, Liu YG. Quality assessment of rose tea with different drying methods based on physicochemical properties, HS-SPME-GC-MS, and GC-IMS. J Food Sci 2023; 88:1378-1391. [PMID: 36789871 DOI: 10.1111/1750-3841.16500] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 01/19/2023] [Accepted: 01/26/2023] [Indexed: 02/16/2023]
Abstract
The purpose of this study is to compare the physicochemical properties and volatile flavor compounds of rose tea obtained by the methods of normal temperature drying, hot-air drying (HAD), and vacuum freeze-drying (VFD) and to evaluate the quality of rose tea. The physicochemical results showed that the content of ascorbic acid (VC) and the pH value was the highest in rose tea obtained by HAD. The contents of anthocyanin, proanthocyanidins, and total phenols were highest in rose tea obtained by VFD. However, there was no significant difference in total flavonoids between drying methods. The volatile organic compounds (VOCs) in rose tea with different drying methods were analyzed by headspace solid-phase microextraction-gas chromatography-mass spectroscopy (HS-SPME-GC-MS) and HS GC-ion mobility spectroscopy (HS-GC-IMS), and the flavor fingerprint of rose tea was established by principal component analysis (PCA). The concentration of VOCs in rose tea varied greatly with different drying methods. The main flavor compounds of rose tea were alcohols, esters, aldehydes, and terpenoids. HS-GC-IMS was used for the identification of volatile flavor compounds of rose tea, thereby helping to assess the quality of rose tea. In addition, the rose tea samples with different drying methods were well distinguished by PCA. This study deepens the understanding of the physicochemical properties and volatile flavor compounds of rose tea with different drying methods and provides a reference for the identification of rose tea with different drying methods. PRACTICAL APPLICATION: This study deepens the understanding of the physicochemical properties and volatile flavor compounds of rose tea with different drying methods and provides a reference for the identification of rose tea with different drying methods. It also provides an effective theoretical basis for consumers to buy rose tea.
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Affiliation(s)
- Zhen Liu
- College of Life Sciences, Linyi University, Linyi, China.,College of Life Science and Technology, Xinjiang University, Urumqi, China
| | - Ling-Xiao Liu
- Linyi Academy of Agricultural Sciences, Linyi, China
| | - Qing-Dian Han
- College of Life Sciences, Linyi University, Linyi, China
| | | | - Bin Wang
- Shandong Huamei Biotechnology Co., Ltd., Jinan, China
| | - Ji-Fang Zhang
- Shandong Huamei Biotechnology Co., Ltd., Jinan, China
| | | | - Yun-Guo Liu
- College of Life Sciences, Linyi University, Linyi, China
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3
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Bassey AP, Boateng EF, Zhu Z, Zhou T, Nasiru MM, Guo Y, Dou H, Ye K, Li C, Zhou G. Volatilome evaluation of modified atmosphere packaged chilled and super-chilled pork loins using electronic nose and HS-GC-IMS integration. Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.100953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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4
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Carbonell-Rozas L, Hernández-Mesa M, Righetti L, Monteau F, Lara FJ, Gámiz-Gracia L, Bizec BL, Dall'Asta C, García-Campaña AM, Dervilly G. Ion mobility-mass spectrometry to extend analytical performance in the determination of ergot alkaloids in cereal samples. J Chromatogr A 2022; 1682:463502. [PMID: 36174373 DOI: 10.1016/j.chroma.2022.463502] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/30/2022] [Accepted: 09/12/2022] [Indexed: 11/28/2022]
Abstract
This work evaluates the potential of ion mobility spectrometry (IMS) to improve the analytical performance of current liquid chromatography-mass spectrometry (LC-MS) workflows applied to the determination of ergot alkaloids (EAs) in cereal samples. Collision cross section (CCS) values for EA epimers are reported for the first time to contribute to their unambiguous identification. Additionally, CCS values have been inter-laboratory cross-validated and compared with CCS values predicted by machine-learning models. Slight differences were observed in terms of CCS values for ergotamine, ergosine and ergocristine and their corresponding epimers (from 3.3 to 4%), being sufficient to achieve a satisfactory peak-to-peak resolution for their unequivocal identification. A LC-travelling wave ion mobility (TWIM)-MS method has been developed for the analysis of EAs in barley and wheat samples. Signal-to-noise ratio (S/N) was improved between 2.5 and 4-fold compared to the analog LC-TOF-MS method. The quality of the extracted ion chromatograms was also improved by using IMS.
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Affiliation(s)
- Laura Carbonell-Rozas
- Oniris, INRAE, LABERCA, 44300 Nantes, France; Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, 18071 Granada, Spain
| | - Maykel Hernández-Mesa
- Oniris, INRAE, LABERCA, 44300 Nantes, France; Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, 18071 Granada, Spain.
| | - Laura Righetti
- Department of Food and Drug, University of Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | | | - Francisco J Lara
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, 18071 Granada, Spain
| | - Laura Gámiz-Gracia
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, 18071 Granada, Spain
| | | | - Chiara Dall'Asta
- Department of Food and Drug, University of Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | - Ana M García-Campaña
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, 18071 Granada, Spain
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5
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Meng Q, Jia X, Zhang H, Wang Z, Liu W. Almost perfect sequence modulated multiplexing ion mobility spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2022; 36:e9329. [PMID: 35618651 DOI: 10.1002/rcm.9329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
RATIONALE Multiplexing ion mobility spectrometry with multiple ion injection pulses was used to achieve a high duty cycle and thus improve the signal-to-noise (S/N) ratio while maintaining high resolving power compared with the traditional single-pulse signal averaging method. Historically, an ion mobility spectrum was reconstructed by various multiplexing methods including Fourier transform ion mobility spectrometry (FT-IMS), Hadamard transform ion mobility spectrometry (HT-IMS), and linear frequency modulation correlation ion mobility spectrometry (LFM-CIMS) sequence or Barker code. METHODS To achieve an artifact-free multiplexing ion mobility spectrum, an almost perfect sequence (APS) with correlation technique was proposed to modulate the Bradbury-Nielson ion gate and was compared with FT-IMS, HT-IMS, LFM-IMS, and the traditional single-pulse signal averaging method. RESULTS Experimental results showed that there are no artifact peaks in the APS-IMS spectra except an inverted mirror peak, and the S/N ratio was improved 5-8 times with a repetition time of 40-60 ms, corresponding to the improvement in the duty cycle. With the same duty cycle and similar acquisition time, APS-IMS showed a higher S/N ratio than HT-IMS for its unique autocorrelation response. CONCLUSIONS The APS-IMS technique offered a higher duty cycle and relatively shorter modulation period compared with reported multiplexing methods and is suitable to track rapidly changing signals without losing information and adding extra transformation artifact peaks.
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Affiliation(s)
- Qingyan Meng
- Key Laboratory of Biological Resource Protection and Utilization of Tarim Basin, Tarim University, Alar, Xinjiang, China
| | - Xu Jia
- Key Laboratory of Biological Resource Protection and Utilization of Tarim Basin, Tarim University, Alar, Xinjiang, China
| | - Hanghang Zhang
- Key Laboratory of Biological Resource Protection and Utilization of Tarim Basin, Tarim University, Alar, Xinjiang, China
| | - Zhiyan Wang
- Key Laboratory of Biological Resource Protection and Utilization of Tarim Basin, Tarim University, Alar, Xinjiang, China
| | - Wenjie Liu
- Key Laboratory of Biological Resource Protection and Utilization of Tarim Basin, Tarim University, Alar, Xinjiang, China
- College of Chemical Engineering, Xiangtan University, Xiangtan, Hunan, China
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6
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Reinecke T, Kenyon S, Gendreau K, Clowers BH. Characterization of a Modulated X-ray Source for Ion Mobility Spectrometry. Anal Chem 2022; 94:12008-12015. [PMID: 36001409 DOI: 10.1021/acs.analchem.2c00729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
As a highly deployed field instrument for the detection of narcotics, explosives, and chemical warfare agents, drift tube ion mobility spectrometry relies heavily upon the performance of the ionization source and mechanism of ion beam modulation. For this instrumental platform, ion chemistry plays a critical role in the performance of the instrument from a sensitivity and selectivity perspective; however, a range of instrumental components also occupy pivotal roles. Most notably, the mechanism of ion modulation or ion gating is a primary contributor to peak width in a drift tube ion mobility experiment. Unfortunately, physical ion gates rarely perform perfectly, and in addition to serving as physical impediments to ion transmission, their modulation also has undesirable field effects. Using a recently developed modulated, non-radioactive X-ray source, we detail the performance of an ion mobility spectrometry (IMS) system that is free of a gating structure and utilizes the pulsed nature of the modulated X-ray source (MXS) for both ion generation and initiation of the IMS experiment. After investigating the influence of pulse duration and spatial X-ray beam width on the analytical performance of the instrument, the possibility of using multiplexing with a shutterless system is explored. By increasing ion throughput, the observed multiplexing gain compared to a signal-averaged spectrum approaches the theoretical maximum and illustrates the capability of the MXS-IMS system to realize significant signal to noise improvements.
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Affiliation(s)
- Tobias Reinecke
- Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - Steven Kenyon
- National Aeronautics and Space Administration, Goddard Space Flight Center, Greenbelt, Maryland 20771, United States
| | - Keith Gendreau
- Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - Brian H Clowers
- Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
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Blood Culture Headspace Gas Analysis Enables Early Detection of Escherichia coli Bacteremia in an Animal Model of Sepsis. Antibiotics (Basel) 2022; 11:antibiotics11080992. [PMID: 35892382 PMCID: PMC9331843 DOI: 10.3390/antibiotics11080992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 12/04/2022] Open
Abstract
(1) Background: Automated blood culture headspace analysis for the detection of volatile organic compounds of microbial origin (mVOC) could be a non-invasive method for bedside rapid pathogen identification. We investigated whether analyzing the gaseous headspace of blood culture (BC) bottles through gas chromatography-ion mobility spectrometry (GC-IMS) enables differentiation of infected and non-infected; (2) Methods: BC were gained out of a rabbit model, with sepsis induced by intravenous administration of E. coli (EC group; n = 6) and control group (n = 6) receiving sterile LB medium intravenously. After 10 h, a pair of blood cultures was obtained and incubated for 36 h. The headspace from aerobic and anaerobic BC was sampled every two hours using an autosampler and analyzed using a GC-IMS device. MALDI-TOF MS was performed to confirm or exclude microbial growth in BCs; (3) Results: Signal intensities (SI) of 113 mVOC peak regions were statistically analyzed. In 24 regions, the SI trends differed between the groups and were considered to be useful for differentiation. The principal component analysis showed differentiation between EC and control group after 6 h, with 62.2% of the data variance described by the principal components 1 and 2. Single peak regions, for example peak region P_15, show significant SI differences after 6 h in the anaerobic environment (p < 0.001) and after 8 h in the aerobic environment (p < 0.001); (4) Conclusions: The results are promising and warrant further evaluation in studies with an extended microbial panel and indications concerning its transferability to human samples.
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8
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te Brinke E, Arrizabalaga-Larrañaga A, Blokland MH. Insights of ion mobility spectrometry and its application on food safety and authenticity: A review. Anal Chim Acta 2022; 1222:340039. [DOI: 10.1016/j.aca.2022.340039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 06/01/2022] [Accepted: 06/03/2022] [Indexed: 11/01/2022]
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9
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Bi J, Li Y, Yang Z, Lin Z, Chen F, Liu S, Li C. Effect of different cooking times on the fat flavor compounds of pork belly. J Food Biochem 2022; 46:e14184. [DOI: 10.1111/jfbc.14184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 03/26/2022] [Accepted: 03/29/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Jicai Bi
- Food Science and Engineering Post‐doctoral Research Station Henan University of Technology Zhengzhou China
- School of Food Science and Engineering Hainan University Haikou China
- School of Food Science and Technology Henan Institute of Science and Technology Xinxiang China
- Post‐doctoral Research Base & School of Food Science Henan Institute of Science and Technology Xinxiang China
| | - Yang Li
- School of Food Science and Technology Henan Institute of Science and Technology Xinxiang China
| | - Zhen Yang
- School of Food Science and Technology Henan Institute of Science and Technology Xinxiang China
| | - Zeyuan Lin
- School of Food Science and Technology Henan Institute of Science and Technology Xinxiang China
| | - Fusheng Chen
- Food Science and Engineering Post‐doctoral Research Station Henan University of Technology Zhengzhou China
| | - Sixin Liu
- School of Food Science and Engineering Hainan University Haikou China
| | - Congfa Li
- School of Food Science and Engineering Hainan University Haikou China
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10
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Budzyńska E, Wolańska I, Puton J. Negative-mode ion mobility spectrometry-comparison of ion-molecule reactions and electron capture processes. Anal Bioanal Chem 2022; 414:3719-3728. [PMID: 35305117 DOI: 10.1007/s00216-022-04019-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 03/09/2022] [Accepted: 03/11/2022] [Indexed: 11/29/2022]
Abstract
The presented work concerns the impact of ionization mechanisms of analytes on detection sensitivity in negative-mode ion mobility spectrometry. The main part of the work is research conducted for selected organic analytes using DT IMS in the negative mode of operation. In the negative mode of detection, two ionization mechanisms can be used: electron capture and ion-molecule reactions. The type of ionization mechanism depends on the carrier gas. The tests were carried out using two carrier gases: air and nitrogen. This allowed for a comparison of the ionization of analytes in the ion-molecule reaction mode with ionization in electron capture mode. Experiments were carried out for tetrachloromethane, trichloromethane, benzyl chloride, 1-chlorobutane, 1-chlorohexane, 1-chloropentane, tetrachlorethylene, 1-bromobutane, 1-bromopentane, 1-bromohexane, hexafluorobenzene, 2-chloroethyl ethyl sulfide (CEES), and methyl salicylate. Most of the tested substances were ionized with the formation of ionized halogen atoms (Br- or Cl-). It was found that among the tested substances, there are those whose effective ionization is possible with the use of both nitrogen and air as carrier gases, those ionized only in electron capture mode or in ion-molecule reaction mode. The important part of the work was an investigation on the effect of oxygen and water admixtures in carrier gases on the detection efficiency of selected organic compounds.
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Affiliation(s)
- Edyta Budzyńska
- Faculty of Advanced Technologies and Chemistry, Military University of Technology, gen. Sylwestra Kaliskiego 2, 00-908, Warsaw, Poland.
| | - Izabela Wolańska
- Faculty of Advanced Technologies and Chemistry, Military University of Technology, gen. Sylwestra Kaliskiego 2, 00-908, Warsaw, Poland
| | - Jarosław Puton
- Faculty of Advanced Technologies and Chemistry, Military University of Technology, gen. Sylwestra Kaliskiego 2, 00-908, Warsaw, Poland
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11
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Anzar N, Suleman S, Parvez S, Narang J. A review on Illicit drugs and biosensing advances for its rapid detection. Process Biochem 2022. [DOI: 10.1016/j.procbio.2021.12.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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12
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Cämmerer M, Mayer T, Borsdorf H. Drift Time Corrections Based on a Practical Measurement of the Depletion Zone to Allow Accurate and Reproducible Determination of the Reduced Mobility of Ions in DT-IMS. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2022; 33:74-82. [PMID: 34851630 DOI: 10.1021/jasms.1c00272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The reduced mobility of an ion is a key parameter for identifying ions and comparing spectra in drift time ion mobility spectrometry. As the resolution of spectrometers improves, accurate determination of the reduced mobility is increasingly important. The drift time, used to calculate the reduced mobility, is affected by the ion gate, and this effect has previously been compensated with a linear correction. These corrections, however, do not allow for changes in the distances that the ions must drift to reach the detector caused by the electric field around the ion gate. As these corrections are a linear correction, nonlinearity in the influence of the ion gate may also lead to greater errors. By measuring the length of the depletion zone in front of the ion gate the extra distance traveled by the ions may be corrected for. This measurement also provides the boundary conditions for when a correction to the drift time may be accurately applied. This work shows that the length of the depletion zone can be experimentally measured and that it is consistent for a particular geometry of ion gate.
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Affiliation(s)
- Malcolm Cämmerer
- Helmholtz-Zentrum für Umweltforschung GmbH - UFZ, Permoserstrasse 15, 04318 Leipzig, Germany
| | - Thomas Mayer
- Helmholtz-Zentrum für Umweltforschung GmbH - UFZ, Permoserstrasse 15, 04318 Leipzig, Germany
| | - Helko Borsdorf
- Helmholtz-Zentrum für Umweltforschung GmbH - UFZ, Permoserstrasse 15, 04318 Leipzig, Germany
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13
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Jin P, Xu S, Li C, Yin W, Xu W, Hu X, Li P, Li L. Rapid screening of 16 illicit additives in herbal pharmaceuticals and health foods based on ion mobility spectrometry. J LIQ CHROMATOGR R T 2021. [DOI: 10.1080/10826076.2021.2020816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Pengfei Jin
- Department of Pharmacy, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing Key Laboratory of Assessment of Clinical Drugs Risk and Individual Application (Beijing Hospital), Beijing, China
| | - Shuo Xu
- Department of Pharmacy, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing Key Laboratory of Assessment of Clinical Drugs Risk and Individual Application (Beijing Hospital), Beijing, China
| | - Chao Li
- Department of Pharmacy, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing Key Laboratory of Assessment of Clinical Drugs Risk and Individual Application (Beijing Hospital), Beijing, China
| | - Wenmin Yin
- School of Electronic and Information Engineering, Soochow University, Suzhou, China
- Suzhou Weimu Intelligent System Co. Ltd., Suzhou, China
| | - Wenfeng Xu
- Department of Pharmacy, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing Key Laboratory of Assessment of Clinical Drugs Risk and Individual Application (Beijing Hospital), Beijing, China
| | - Xin Hu
- Department of Pharmacy, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing Key Laboratory of Assessment of Clinical Drugs Risk and Individual Application (Beijing Hospital), Beijing, China
| | - Peng Li
- School of Electronic and Information Engineering, Soochow University, Suzhou, China
- Suzhou Weimu Intelligent System Co. Ltd., Suzhou, China
| | - Lingfeng Li
- School of Electronic and Information Engineering, Soochow University, Suzhou, China
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14
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Flesh flavor of red swamp crayfish (Procambarus clarkii Girard, 1852) processing by GS-IMS and electronic tongue is changed by dietary animal and plant protein. Food Chem 2021; 373:131453. [PMID: 34731807 DOI: 10.1016/j.foodchem.2021.131453] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 10/04/2021] [Accepted: 10/20/2021] [Indexed: 11/20/2022]
Abstract
The aroma and taste of Procambarus clarkii (Girard, 1852) fed with different dietary protein were investigated by E-tongue and gas chromatography-ion migration spectrometry (GC-IMS) after cooking. The results showed that dietary protein sources had no significant growth performance. Nevertheless, significantly higher richness taste was observed in animal protein group. The inosine-5'-monophosphate content in animal protein group was significantly higher than that in plant protein group. Twelve aldehydes, eleven alcohols, six ketones, three esters, and two acids were identified in the muscle using GC-IMS. 2-Propanol (monomer), 3-octanol (monomer), 3-furanmethanol (dimer), 2-methyl-1-pentanol (monomer), heptanal (monomer), and allylacetic acid (monomer) changed significantly between dietary animal protein and plant protein. These results suggested that dietary plant and animal protein have a similar effect on the growth performance. For the flavor, the crayfish fed with animal protein had higher volatiles and IMP contents, which might contribute to higher richness.
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15
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Alikord M, Mohammadi A, Kamankesh M, Shariatifar N. Food safety and quality assessment: comprehensive review and recent trends in the applications of ion mobility spectrometry (IMS). Crit Rev Food Sci Nutr 2021; 62:4833-4866. [PMID: 33554631 DOI: 10.1080/10408398.2021.1879003] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Ion mobility spectrometry (IMS) is an analytical separation and diagnostic technique that is simple and sensitive and a rapid response and low-priced technique for detecting trace levels of chemical compounds in different matrices. Chemical agents and environmental contaminants are successfully detected by IMS and have been recently considered to employ in food safety. In addition, IMS uses stand-alone or coupled analytical diagnostic tools with chromatographic and spectroscopic methods. Scientific publications show that IMS has been applied 21% in the pharmaceutical industry, 9% in environmental studies and 13% in quality control and food safety. Nevertheless, applications of IMS in food safety and quality analysis have not been adequately explored. This review presents the IMS-related analysis and focuses on the application of IMS in food safety and quality. This review presents the important topics including detection of traces of chemicals, rate of food spoilage and freshness, food adulteration and authenticity as well as natural toxins, pesticides, herbicides, fungicides, veterinary, and growth promoter drug residues. Further, persistent organic pollutants (POPs), acrylamide, polycyclic aromatic hydrocarbon (PAH), biogenic amines, nitrosamine, furfural, phenolic compounds, heavy metals, food packaging materials, melamine, and food additives were also examined for the first time. Therefore, it is logical to predict that the application of the IMS technique in food safety, food quality, and contaminant analysis will be impressively increased in the future. HighlightsCurrent status of IMS for residues and contaminant detection in food safety.To assess all the detected contaminants in food safety, for the first time.Identified IMS-related parameters and chemical compounds in food safety control.
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Affiliation(s)
- Mahsa Alikord
- Department of Environmental Health, Food Safety Division, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Abdorreza Mohammadi
- Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Marzieh Kamankesh
- Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Nabi Shariatifar
- Department of Environmental Health, Food Safety Division, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.,Halal Research Center of the Islamic Republic of Iran, Tehran, Iran
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16
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Detection of illegal treatment of table tennis rackets using gas chromatography coupled to ion mobility spectrometry - A feasibility study. Anal Chim Acta 2021; 1154:338227. [PMID: 33736818 DOI: 10.1016/j.aca.2021.338227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 01/14/2021] [Accepted: 01/17/2021] [Indexed: 11/20/2022]
Abstract
In all professional sports, performance pressure is high at the top level. Therefore, rules are defined and controlled to keep sports fair in accordance e.g. with the Agenda 21 of the International Olympic Committee. However, it's about money and honour and as a consequence it is obvious that the athletes will go to the limits at all levels or even beyond. This is not only true for performance-enhancing substances to improve the physical capacity but - when sports equipment is involved - also for their optimisation. Thus, rules and related controls are necessary with regard to fairness between competitors but also with regard to their health when chemicals are involved. In table tennis, such chemicals (so-called boosters) are used occasionally - but against the rules - to improve the performance of the rackets. In the present study, several boosters were analysed as well as numerous common racket coverings using ion mobility spectrometry coupled to gas-chromatographic pre-separation. After optimisation of sampling with regard to improving reproducibility, characteristic patterns of volatiles for booster compounds and for racket coverings with different characteristics were developed successfully. In particular, signals related to particular softening agents could be identified and detected even in the untreated coverings. The patterns of volatiles were found to be characteristic for the particular boosters investigated as well as for the particular coverings. Furthermore, those patterns enable a differentiation between booster and covering or - in other words - between rule-consistent racket coverings and rule violation by after treatment of the rubber with a booster. After adaptation of the entire procedure to realistic competition situations, the method could be used for proving an infringement against the prohibition of applying such compounds.
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Su Z, Liu B, Ma C. Analyses of the volatile compounds in cherry wine during fermentation and aging in bottle using HS-GC-IMS. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2021. [DOI: 10.3136/fstr.27.599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Zhengbo Su
- Shandong Provincial Key Laboratory of Food and Fermentation Engineering, Shandong Food Ferment Industry Research & Design Institute, Qilu University of Technology (Shandong Academy of Sciences)
| | - Baoxiang Liu
- Shandong Provincial Key Laboratory of Food and Fermentation Engineering, Shandong Food Ferment Industry Research & Design Institute, Qilu University of Technology (Shandong Academy of Sciences)
| | - Chuang Ma
- Shandong Provincial Key Laboratory of Food and Fermentation Engineering, Shandong Food Ferment Industry Research & Design Institute, Qilu University of Technology (Shandong Academy of Sciences)
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18
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Hartner NT, Raddatz CR, Thoben C, Piendl SK, Zimmermann S, Belder D. On-Line Coupling of Chip-Electrochromatography and Ion Mobility Spectrometry. Anal Chem 2020; 92:15129-15136. [PMID: 33143411 DOI: 10.1021/acs.analchem.0c03446] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
We report the first hyphenation of chip-electrochromatography (ChEC) with ion mobility spectrometry (IMS). This approach combines the separation power of two electrokinetically driven separation techniques, the first in liquid phase and the second in gas phase, with a label-free detection of the analytes. For achieving this, a microfluidic glass chip incorporating a monolithic separation column, a nanofluidic liquid junction for providing post-column electrical contact, and a monolithically integrated electrospray emitter was developed. This device was successfully coupled to a custom-built high-resolution drift tube IMS with shifted potentials. After proof-of-concept studies in which a mixture of five model compounds was analyzed in less than 80 s, this first ChEC-IMS system was applied to a more complex sample, the analysis of herbicides spiked in the wine matrix. The use of ChEC before IMS detection not only facilitated the peak allocation and increased the peak capacity but also enabled analyte quantification. As both, ChEC and IMS work at ambient conditions and are driven by high voltages, no bulky pumping systems are needed, neither for the hydrodynamic pumping of the mobile phase as in high-performance liquid chromatography nor for generating a vacuum system as in mass spectrometry. Accordingly, the approach has great potential as a portable analytical system for field analysis of complex mixtures.
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Affiliation(s)
- Nora T Hartner
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
| | - Christian-Robert Raddatz
- Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Leibniz University Hannover, Appelstraße 9A, 30167 Hannover, Germany
| | - Christian Thoben
- Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Leibniz University Hannover, Appelstraße 9A, 30167 Hannover, Germany
| | - Sebastian K Piendl
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
| | - Stefan Zimmermann
- Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Leibniz University Hannover, Appelstraße 9A, 30167 Hannover, Germany
| | - Detlev Belder
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
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Drees C, Schütz A, Niu G, Franzke J, Vautz W, Brandt S. Stepwise optimization of a Flexible Microtube Plasma (FµTP) as an ionization source for Ion Mobility Spectrometry. Anal Chim Acta 2020; 1127:89-97. [PMID: 32800141 DOI: 10.1016/j.aca.2020.06.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 06/05/2020] [Accepted: 06/09/2020] [Indexed: 11/24/2022]
Abstract
The ionization source is the central system of analytical devices such as mass spectrometers or ion mobility spectrometers. In this study, a recently developed flexible microtube plasma (FμTP) is applied as an ionization source for a custom-made drift tube ion mobility spectrometer (IMS) for the first time. The FµTP is based on a highly miniaturized, robust and a small-footprint dielectric barrier discharge design with an outstanding ionization efficiency. In this study, the experimental setup of the FµTP was further improved upon to achieve optimal coupling conditions in terms of the ion mobility spectrometry sensitivity and the plasma gas consumption. One major focus of this study was the adjustment of the electrical operation parameters, in particular, the high voltage amplitude, frequency and duty cycle, in order to minimize the electric field disturbances and yield higher signals. Additionally, the consumption of helium plasma gas was reduced by refining the FµTP. It was found that the ionization efficiency could be significantly enhanced by increasing the plasma high voltage and through application of a duty cycle up to 90:10. Plasma gas flows could be reduced down to 3 mL min-1 by increasing the plasma high voltage amplitude. Furthermore, a smaller wire electrode design enables the operation of the FµTP with nitrogen and clean air. Moreover, detection limits of a homologous series of ketones in the range of 330 pptv (N2-FµTP, 2-decanone) down to 20 pptv (He-FµTP, 2-octanone) could be reached in the optimized setup. To sum up, this feasibility study demonstrates the potential of the optimized FµTP as a powerful ionization source for ion mobility spectrometry especially with regard to ionization efficiency.
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Affiliation(s)
- Carolin Drees
- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V., Bunsen-Kirchhoff-Straße 11, 44139, Dortmund, Germany
| | - Alexander Schütz
- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V., Bunsen-Kirchhoff-Straße 11, 44139, Dortmund, Germany
| | - Guanghui Niu
- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V., Bunsen-Kirchhoff-Straße 11, 44139, Dortmund, Germany
| | - Joachim Franzke
- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V., Bunsen-Kirchhoff-Straße 11, 44139, Dortmund, Germany
| | - Wolfgang Vautz
- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V., Bunsen-Kirchhoff-Straße 11, 44139, Dortmund, Germany; ION-GAS GmbH, Konrad-Adenauer-Allee 11, 44263, Dortmund, Germany
| | - Sebastian Brandt
- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V., Bunsen-Kirchhoff-Straße 11, 44139, Dortmund, Germany.
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20
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Liu D, Bai L, Feng X, Chen YP, Zhang D, Yao W, Zhang H, Chen G, Liu Y. Characterization of Jinhua ham aroma profiles in specific to aging time by gas chromatography-ion mobility spectrometry (GC-IMS). Meat Sci 2020; 168:108178. [PMID: 32417671 DOI: 10.1016/j.meatsci.2020.108178] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 05/02/2020] [Accepted: 05/04/2020] [Indexed: 12/15/2022]
Abstract
A rapid method for analyzing of Jinhua ham samples in different aging time was created based on gas chromatography-ion mobility spectrometry (GC-IMS). The GC-IMS chromatograph provided information regarding the identities and intensities of 37 volatile flavor compounds, including both monomers and dimers. Principal component analysis (PCA) effectively distinguished the variation in the aroma of the Jinhua hams specific to aging time. Alcohol (octanol, 2-methylbutanol), ketones (2-butanone, 2-hexanone, 2-heptanone, acetoin, gamma-butyrolactone), aldehydes (butanal, 3-methylbutanal), ester (propyl acetate) and carboxylic acids (3-methylbutanoic acid) were considered as the main volatile compounds in the Jinhua ham samples. This GC-IMS method, then, proved to be feasible for the rapid and comprehensive detection of volatile compounds in Jinhua hams, and multivariance analysis (i.e.: PCA) was able to provide information related to aging time.
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Affiliation(s)
- Dengyong Liu
- College of Food Science and Technology, Bohai University, Liaoning 121013, China; National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, Jinzhou, Liaoning 121013, China
| | - Lu Bai
- College of Food Science and Technology, Bohai University, Liaoning 121013, China; National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, Jinzhou, Liaoning 121013, China
| | - Xi Feng
- Department of Food Science & Technology, Shanghai Jiaotong University, Shanghai 200240, China; Department of Nutrition, Food Science and Packaging, San Jose State University, San Jose, CA 95192, USA.
| | - Yan Ping Chen
- Department of Food Science & Technology, Shanghai Jiaotong University, Shanghai 200240, China
| | - Danni Zhang
- Department of Food Science & Technology, Shanghai Jiaotong University, Shanghai 200240, China
| | - Wensheng Yao
- College of Food Science and Technology, Bohai University, Liaoning 121013, China; National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, Jinzhou, Liaoning 121013, China
| | - Hao Zhang
- Shandong Hanon Scientific Instrument Co., Ltd., Jinan, Shandong 250101, China
| | - Gaole Chen
- Department of Food Science & Technology, Shanghai Jiaotong University, Shanghai 200240, China
| | - Yuan Liu
- Department of Food Science & Technology, Shanghai Jiaotong University, Shanghai 200240, China.
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21
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Drees C, Vautz W, Liedtke S, Rosin C, Althoff K, Lippmann M, Zimmermann S, Legler TJ, Yildiz D, Perl T, Kunze-Szikszay N. GC-IMS headspace analyses allow early recognition of bacterial growth and rapid pathogen differentiation in standard blood cultures. Appl Microbiol Biotechnol 2019; 103:9091-9101. [DOI: 10.1007/s00253-019-10181-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 10/02/2019] [Accepted: 10/09/2019] [Indexed: 01/14/2023]
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22
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Schmidt C, Jaros D, Rohm H. Ion Mobility Spectrometry as a Potential Tool for Flavor Control in Chocolate Manufacture. Foods 2019; 8:E460. [PMID: 31600893 PMCID: PMC6836128 DOI: 10.3390/foods8100460] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 09/30/2019] [Accepted: 10/02/2019] [Indexed: 11/16/2022] Open
Abstract
Chocolate has a complex flavor profile composed of more than 600 volatile compounds that mainly arise from the thermo-mechanical treatment during roasting and conching. The aim of this study was to evaluate the applicability of ion mobility spectrometry (IMS), as a real-time method for process monitoring in chocolate manufacture. It is evident from the ion mobility (IM) fingerprint spectra that individual processing steps affect the signal intensities at particular drift time regions. The analysis of individual IM spectra by principal component analysis (PCA) revealed that it is possible to distinguish with respect to conching temperature and time. PCA also allowed identifying those parts of the IM spectra that were predominantly affected by the respective treatment. It was, on the basis of the IM flavor fingerprints and subsequent PCA, possible to distinguish between the different states of processing of bulk cocoa. The results of the study imply that, using appropriate post-data treatment, IMS could be used for process control in cocoa processing.
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Affiliation(s)
- Carolin Schmidt
- Chair of Food Engineering, Technische Universität Dresden, 01062 Dresden, Germany.
| | - Doris Jaros
- Chair of Food Engineering, Technische Universität Dresden, 01062 Dresden, Germany.
| | - Harald Rohm
- Chair of Food Engineering, Technische Universität Dresden, 01062 Dresden, Germany.
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23
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Chen C, Jiang D, Li H. UV photoionization ion mobility spectrometry: Fundamentals and applications. Anal Chim Acta 2019; 1077:1-13. [DOI: 10.1016/j.aca.2019.05.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 04/09/2019] [Accepted: 05/08/2019] [Indexed: 12/15/2022]
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24
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Hernández-Mesa M, Ropartz D, García-Campaña AM, Rogniaux H, Dervilly-Pinel G, Le Bizec B. Ion Mobility Spectrometry in Food Analysis: Principles, Current Applications and Future Trends. Molecules 2019; 24:E2706. [PMID: 31349571 PMCID: PMC6696101 DOI: 10.3390/molecules24152706] [Citation(s) in RCA: 93] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 07/18/2019] [Accepted: 07/22/2019] [Indexed: 12/11/2022] Open
Abstract
In the last decade, ion mobility spectrometry (IMS) has reemerged as an analytical separation technique, especially due to the commercialization of ion mobility mass spectrometers. Its applicability has been extended beyond classical applications such as the determination of chemical warfare agents and nowadays it is widely used for the characterization of biomolecules (e.g., proteins, glycans, lipids, etc.) and, more recently, of small molecules (e.g., metabolites, xenobiotics, etc.). Following this trend, the interest in this technique is growing among researchers from different fields including food science. Several advantages are attributed to IMS when integrated in traditional liquid chromatography (LC) and gas chromatography (GC) mass spectrometry (MS) workflows: (1) it improves method selectivity by providing an additional separation dimension that allows the separation of isobaric and isomeric compounds; (2) it increases method sensitivity by isolating the compounds of interest from background noise; (3) and it provides complementary information to mass spectra and retention time, the so-called collision cross section (CCS), so compounds can be identified with more confidence, either in targeted or non-targeted approaches. In this context, the number of applications focused on food analysis has increased exponentially in the last few years. This review provides an overview of the current status of IMS technology and its applicability in different areas of food analysis (i.e., food composition, process control, authentication, adulteration and safety).
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Affiliation(s)
- Maykel Hernández-Mesa
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, E-18071 Granada, Spain.
- INRA, UR1268 Biopolymers Interactions Assemblies, F-44316 Nantes, France.
- Laboratoire d'Etude des Résidus et Contaminants dans les Aliments (LABERCA), Oniris, INRA UMR 1329, Route de Gachet-CS 50707, F-44307 Nantes CEDEX 3, France.
| | - David Ropartz
- INRA, UR1268 Biopolymers Interactions Assemblies, F-44316 Nantes, France
| | - Ana M García-Campaña
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, E-18071 Granada, Spain
| | - Hélène Rogniaux
- INRA, UR1268 Biopolymers Interactions Assemblies, F-44316 Nantes, France
| | - Gaud Dervilly-Pinel
- Laboratoire d'Etude des Résidus et Contaminants dans les Aliments (LABERCA), Oniris, INRA UMR 1329, Route de Gachet-CS 50707, F-44307 Nantes CEDEX 3, France
| | - Bruno Le Bizec
- Laboratoire d'Etude des Résidus et Contaminants dans les Aliments (LABERCA), Oniris, INRA UMR 1329, Route de Gachet-CS 50707, F-44307 Nantes CEDEX 3, France
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Asadi M, Valadbeigi Y, Tabrizchi M. Thermionic sodium ion source versus corona discharge in detection of alkaloids using ion mobility spectrometry. ACTA ACUST UNITED AC 2019. [DOI: 10.1007/s12127-019-00249-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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26
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Zrodnikov Y, Rajapakse MY, Peirano DJ, Aksenov AA, Kenyon NJ, Davis CE. High Asymmetric Longitudinal Field Ion Mobility Spectrometry Device for Low Power Mobile Chemical Separation and Detection. Anal Chem 2019; 91:5523-5529. [PMID: 30932473 PMCID: PMC9797248 DOI: 10.1021/acs.analchem.8b05577] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
We have developed a novel chemical sensing technique termed high asymmetric longitudinal field ion mobility spectrometry (HALF-IMS), which allows separation of ions based on mobility differences in high and low electric fields. Our device is microfabricated, has a miniature format, and uses exceptionally low power due to the lack of RF separation fields normally associated with ion mobility spectrometry (IMS) or differential mobility spectrometry (DMS). It operates at room temperature and atmospheric pressure. This HALF-IMS chip contains a microscale drift cell where spatially varying electric field regions of high and low strengths are generated by direct current (DC) applied to the electrodes that are physically placed to cause ionic separation as the ionized chemical flows along the drift cell. Power and complexity are reduced at the chip and system levels by reducing the voltage magnitude and using DC-powered electronics. A testing platform utilizing an ultraviolet (UV) photoionization source was used with custom electronic circuit boards to interface with the chip and provide data inputs and outputs. Precise control of the electrode voltages allowed filtering of the passage of the ion of interest through the drift cell, and ionic current was measured at the detector. The device was tested by scanning of electrode voltages and obtaining ion peaks for methyl salicylate, naphthalene, benzene, and 2-butanone. The current experimental setup was capable of detecting as low as ∼80 ppb of methyl salicylate and naphthalene. The use of benzene as a dopant with 2-butanone allowed one to see two ion peaks, corresponding to benzene and 2-butanone.
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Affiliation(s)
- Yuriy Zrodnikov
- Department of Mechanical and Aerospace Engineering, University of California Davis, Davis, CA 95616, USA
| | - Maneeshin Y. Rajapakse
- Department of Mechanical and Aerospace Engineering, University of California Davis, Davis, CA 95616, USA
| | - Daniel J. Peirano
- Department of Mechanical and Aerospace Engineering, University of California Davis, Davis, CA 95616, USA
| | - Alexander A. Aksenov
- Department of Mechanical and Aerospace Engineering, University of California Davis, Davis, CA 95616, USA
| | - Nicholas J. Kenyon
- Department of Internal Medicine, 4150 V Street, Suite 3400, University of California, Davis, Sacramento, CA 95817, USA.,Center for Comparative Respiratory Biology and Medicine, University of California, Davis, CA 95616, USA.,VA Northern California Health Care System, 10535 Hospital Way, Mather, CA 95655, USA
| | - Cristina E. Davis
- Department of Mechanical and Aerospace Engineering, University of California Davis, Davis, CA 95616, USA.,Corresponding Author (CED)
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Kirk AT, Bohnhorst A, Raddatz CR, Allers M, Zimmermann S. Ultra-high-resolution ion mobility spectrometry-current instrumentation, limitations, and future developments. Anal Bioanal Chem 2019; 411:6229-6246. [PMID: 30957205 DOI: 10.1007/s00216-019-01807-0] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Revised: 03/15/2019] [Accepted: 03/25/2019] [Indexed: 12/29/2022]
Abstract
With recent advances in ionization sources and instrumentation, ion mobility spectrometers (IMS) have transformed from a detector for chemical warfare agents and explosives to a widely used tool in analytical and bioanalytical applications. This increasing measurement task complexity requires higher and higher analytical performance and especially ultra-high resolution. In this review, we will discuss the currently used ion mobility spectrometers able to reach such ultra-high resolution, defined here as a resolving power greater than 200. These instruments are drift tube IMS, traveling wave IMS, trapped IMS, and field asymmetric or differential IMS. The basic operating principles and the resulting effects of experimental parameters on resolving power are explained and compared between the different instruments. This allows understanding the current limitations of resolving power and how ion mobility spectrometers may progress in the future. Graphical abstract.
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Affiliation(s)
- Ansgar T Kirk
- Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Leibniz Universität Hannover, Appelstr. 9A, 30167, Hannover, Germany.
| | - Alexander Bohnhorst
- Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Leibniz Universität Hannover, Appelstr. 9A, 30167, Hannover, Germany
| | - Christian-Robert Raddatz
- Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Leibniz Universität Hannover, Appelstr. 9A, 30167, Hannover, Germany
| | - Maria Allers
- Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Leibniz Universität Hannover, Appelstr. 9A, 30167, Hannover, Germany
| | - Stefan Zimmermann
- Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Leibniz Universität Hannover, Appelstr. 9A, 30167, Hannover, Germany
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Chen H, Chen C, Li M, Wang W, Jiang D, Li H. Achieving high gating performance for ion mobility spectrometry by manipulating ion swarm spatiotemporal behaviors in the vicinity of ion shutter. Anal Chim Acta 2019; 1052:96-104. [PMID: 30685046 DOI: 10.1016/j.aca.2018.11.045] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 11/07/2018] [Accepted: 11/19/2018] [Indexed: 11/18/2022]
Abstract
Ion shutter is one of the key components of the drift-tube types of ion mobility spectrometer, which affects both the resolving power and sensitivity of an ion mobility spectrometer. In this work, a spatiotemporal model was built to understand the behaviors of the ion swarms around the ion shutter. For simplicity, a Tyndall-Powell gate (TPG) was chosen as the gating disturbance to the field on the two sides of ion shutter could be separated. It can be inferred from the spatiotemporal model that the ion swarm could be diluted in front of the TPG when the gate closing voltage (GCV) was superposed on the grid facing the ionization region, while it could be compressed behind the TPG when the GCV was superposed on the other grid. These inferences conformed to the narrower and higher ion peaks obtained at GCV superposed on the latter grid and were further verified by the ion distribution profiles obtained at a wide gate opening pulse width. Finally, the product of the resolving power and the gating efficiency was proposed to evaluate the gating performance of an ion shutter. At GCV superposed on the grid facing the drift region, the best gating performance of 42 was obtained with peak height of 1.63 nA and resolving power of 57.2, and was almost twice as high as the optimal gating performance at GCV superposed on the other grid.
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Affiliation(s)
- Hong Chen
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, People's Republic of China; University of Chinese Academy of Sciences, Beijing, 100039, People's Republic of China
| | - Chuang Chen
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, People's Republic of China.
| | - Mei Li
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, People's Republic of China; University of Chinese Academy of Sciences, Beijing, 100039, People's Republic of China
| | - Weiguo Wang
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, People's Republic of China
| | - Dandan Jiang
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, People's Republic of China
| | - Haiyang Li
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, People's Republic of China.
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29
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Gas chromatography-ion mobility spectrometric classification of vegetable oils based on digital image processing. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2019. [DOI: 10.1007/s11694-019-00116-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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30
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Metternich S, Zörntlein S, Schönberger T, Huhn C. Ion mobility spectrometry as a fast screening tool for synthetic cannabinoids to uncover drug trafficking in jail via herbal mixtures, paper, food, and cosmetics. Drug Test Anal 2019; 11:833-846. [DOI: 10.1002/dta.2565] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 12/30/2018] [Accepted: 12/30/2018] [Indexed: 01/25/2023]
Affiliation(s)
- Sonja Metternich
- State Office of Criminal Investigation Rhineland‐PalatinateDepartment of Forensic Science Mainz Germany
| | - Siegfried Zörntlein
- State Office of Criminal Investigation Rhineland‐PalatinateDepartment of Forensic Science Mainz Germany
| | | | - Carolin Huhn
- Eberhard Karls Universität TübingenInstitute for Physical and Theoretical Chemistry Tübingen Germany
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31
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Aria M, Sorribes-Soriano A, Jafari M, Nourbakhsh F, Esteve-Turrillas F, Armenta S, Herrero-Martínez J, de la Guardia M. Uptake and translocation monitoring of imidacloprid to chili and tomato plants by molecularly imprinting extraction - ion mobility spectrometry. Microchem J 2019. [DOI: 10.1016/j.microc.2018.09.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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32
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Anishchenko IM, McCartney MM, Fung AG, Peirano DJ, Schirle MJ, Kenyon NJ, Davis CE. Modular and reconfigurable gas chromatography / differential mobility spectrometry (GC/DMS) package for detection of volatile organic compounds (VOCs). ACTA ACUST UNITED AC 2018; 21:125-136. [PMID: 31086501 DOI: 10.1007/s12127-018-0240-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Due to the versatility of present day microcontroller boards and open source development environments, new analytical chemistry devices can now be built outside of large industry and instead within smaller individual groups. While there are a wide range of commercial devices available for detecting and identifying volatile organic compounds (VOCs), most of these devices use their own proprietary software and complex custom electronics, making modifications or reconfiguration of the systems challenging. The development of microprocessors for general use, such as the Arduino prototyping platform, now enables custom chemical analysis instrumentation. We have created an example system using commercially available parts, centered around on differential mobility spectrometer (DMS) device. The Modular Reconfigurable Gas Chromatography - Differential Mobility Spectrometry package (MR-GC-DMS) has swappable components allowing it to be quickly reconfigured for specific application purposes as well as broad, generic use. The MR-GC-DMS has a custom user-friendly graphical user interface (GUI) and precisely tuned proportional-integral-derivative controller (PID) feedback control system managing individual temperature-sensitive components. Accurate temperature control programmed into the microcontroller greatly increases repeatability and system performance. Together, this open-source platform enables researchers to quickly combine DMS devices in customized configurations for new chemical sensing applications.
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Affiliation(s)
- Ilya M Anishchenko
- Department of Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Mitchell M McCartney
- Department of Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Alexander G Fung
- Department of Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Daniel J Peirano
- Department of Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Michael J Schirle
- Department of Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Nicholas J Kenyon
- Department of Internal Medicine, University of California, 4150 V Street, Suite 3400, Davis, Sacramento, CA 95817, USA.,Center for Comparative Respiratory Biology and Medicine, University of California, Davis, CA 95616, USA
| | - Cristina E Davis
- Department of Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
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Kune C, Haler JRN, Far J, De Pauw E. Effectiveness and Limitations of Computational Chemistry and Mass Spectrometry in the Rational Design of Target-specific Shift Reagents for Ion Mobility Spectrometry. Chemphyschem 2018; 19:2921-2930. [DOI: 10.1002/cphc.201800555] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Indexed: 01/14/2023]
Affiliation(s)
- Christopher Kune
- Mass Spectrometry Laboratory; University of Liège; Quartier Agora; Allée du Six Aout 11, B- 4000 Liège Belgium
| | - Jean R. N. Haler
- Mass Spectrometry Laboratory; University of Liège; Quartier Agora; Allée du Six Aout 11, B- 4000 Liège Belgium
| | - Johann Far
- Mass Spectrometry Laboratory; University of Liège; Quartier Agora; Allée du Six Aout 11, B- 4000 Liège Belgium
| | - Edwin De Pauw
- Mass Spectrometry Laboratory; University of Liège; Quartier Agora; Allée du Six Aout 11, B- 4000 Liège Belgium
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Bae SY, Winemiller MD. Trace Level Analysis of Sarin and VX in Food Using Normal Phase Silica Gel and Ultra-Performance Liquid Chromatography-Time-of-Flight Mass Spectrometry (UPLC-TOF-MS). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:7846-7856. [PMID: 29920090 DOI: 10.1021/acs.jafc.8b01756] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Ultra-Performance Liquid Chromatography/electrospray ionization mass spectrometry was used for the trace level determination of isopropyl methylphosphonofluoridate (Sarin, GB) and ( O-ethyl S-[2-(diisopropylamino)ethyl] methylphosphonothioate (VX) after extraction from various foods. A method utilizing normal phase silica gel was developed for the sample preparation and extraction of VX and GB from food. The extraction efficiencies of the normal phase silica gel method for VX was compared to those of other commercial solid phase extraction media and was found to be comparable. Sarin was found to be incompatible with both the mixed mode cation exchange (MCX) sorbents and QuEChERS methods that are commercially available but was successful with the normal phase silica gel method. The linear range of quantitation for VX was 0.1-330 ng/mL and for GB was 20-1200 ng/mL. The average recoveries of VX and GB from the various food matrices along with the corresponding relative standard deviations (RSDs) are reported.
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Affiliation(s)
- Sue Y Bae
- Research and Technology Directorate , U.S. Army, Edgewood Chemical Biological Center (ECBC), Aberdeen Proving Ground , Maryland 21010-5424 , United States
| | - Mark D Winemiller
- Research and Technology Directorate , U.S. Army, Edgewood Chemical Biological Center (ECBC), Aberdeen Proving Ground , Maryland 21010-5424 , United States
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Calegari LP, Barbosa J, Marodin GA, Fettermann DC. A conjoint analysis to consumer choice in Brazil: Defining device attributes for recognizing customized foods characteristics. Food Res Int 2018; 109:1-13. [PMID: 29803431 DOI: 10.1016/j.foodres.2018.03.080] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 03/27/2018] [Accepted: 03/30/2018] [Indexed: 01/20/2023]
Abstract
the availability of information about food products may be an essential factor in the consumer's value perception in their purchasing decision. As the food product becomes personalized, the customization of this information becomes complex due to the possible combinations of product components. The use of smart technology in devices is one way to provide customers with customized food information. In the following research five attributes were identified in the composition of these devices: (A) portability; (B) precision; (C) diet customization; (D) food quality analysis; and (E) price. This study aims to identify the appropriate combination of possible functionalities or attributes that must be present in a device in order to detect the food composition of customized foods and their relation to market characteristics. One experiment used fractional factorial project to present the attributes in the form of scenarios following the Choice-Based Conjoint Analysis (CBCA) method. The data collection was done using survey methodology, through online questionnaire, with some 303 Brazilian respondents. So, the Logistic Regression was applied to data analysis. The moderating variables-gender, age, gluten restriction, lactose restriction and other restrictions-were also added to verify potential interactions with the primary attributes. From the results obtained, it was possible to observe higher significance for the primary attributes of diet personalization and quality food analyzes function. Our study contributes to the literature by enhancing the understanding about what the attributes should be in a technological device that has the purpose of recognizing food characteristics and is capable of generating information about customized food products. Furthermore, this device can enabler the production of mass customized food with the nutritional labels for each possible combination.
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Affiliation(s)
- L P Calegari
- Department of Industrial Engineering and Systems, Federal University of Santa Catarina, Florianópolis, Brazil.
| | - J Barbosa
- Department of Industrial Engineering and Systems, Federal University of Santa Catarina, Florianópolis, Brazil
| | - G A Marodin
- Departament of Management Science, University of South Carolina, Columbia, USA..
| | - D C Fettermann
- Department of Industrial Engineering and Systems, Federal University of Santa Catarina, Florianópolis, Brazil.
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36
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Current applications and perspectives of ion mobility spectrometry to answer chemical food safety issues. Trends Analyt Chem 2017. [DOI: 10.1016/j.trac.2017.07.006] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Dai J, Zhao Z, Liang G, Duan Y. A Novel Microwave-Induced Plasma Ionization Source for Ion Mobility Spectrometry. Sci Rep 2017; 7:44051. [PMID: 28287097 PMCID: PMC5347007 DOI: 10.1038/srep44051] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Accepted: 02/02/2017] [Indexed: 11/21/2022] Open
Abstract
This work demonstrates the application of a novel microwave induced plasma ionization (MIPI) source to ion mobility spectrometry (IMS). The MIPI source, called Surfatron, is composed of a copper cavity and a hollow quartz discharge tube. The ion mobility spectrum of synthetics air has a main peak with reduced mobility of 2.14 cm2V-1s-1 for positive ion mode and 2.29 cm2V-1s-1 for negative ion mode. The relative standard deviations (RSD) are 0.7% and 1.2% for positive and negative ion mode, respectively. The total ion current measured was more than 3.5 nA, which is much higher than that of the conventional 63Ni source. This indicates that a better signal-to-noise ratio (SNR) can be acquired from the MIPI source. The SNR was 110 in the analysis of 500 pptv methyl tert-butyl ether (MTBE), resulting in the limit of detection (SNR = 3) of 14 pptv. The linear range covers close to 2.5 orders of magnitude in the detection of triethylamine with a concentration range from 500 pptv to 80 ppbv. Finally, this new MIPI-IMS was used to detect some volatile organic compounds, which demonstrated that the MIPI-IMS has great potential in monitoring pollutants in air.
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Affiliation(s)
- Jianxiong Dai
- Analytical and Testing Center, Sichuan University, Chengdu 610064, P.R. China
| | - Zhongjun Zhao
- College of Chemical Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Gaoling Liang
- College of Chemistry, Sichuan University, Chengdu 610065, P.R. China
| | - Yixiang Duan
- Research Center of Analytical Instrumentation, Key Laboratory of Bio-resource and Eco-environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610064, P.R. China
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Heptner A, Angerstein N, Reinecke T, Bunert E, Kirk AT, Niedzwiecki I, Zimmermann S. Improving the analytical performance of ion mobility spectrometer using a non-radioactive electron source. ACTA ACUST UNITED AC 2016. [DOI: 10.1007/s12127-016-0205-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Aznar M, Alfaro P, Nerín C, Jones E, Riches E. Progress in mass spectrometry for the analysis of set-off phenomena in plastic food packaging materials. J Chromatogr A 2016; 1453:124-33. [PMID: 27215462 DOI: 10.1016/j.chroma.2016.05.032] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 04/21/2016] [Accepted: 05/06/2016] [Indexed: 10/21/2022]
Abstract
In most cases, food packaging materials contain inks whose components can migrate to food by diffusion through the material as well as by set-off phenomena. In this work, different mass spectrometry approaches had been used in order to identify and confirm the presence of ink components in ethanol (95%) and Tenax(®) as food simulants. Three different sets of materials, manufactured with different printing technologies and with different structures, were analyzed. Sample analysis by ultra performance liquid chromatography mass spectrometry (UPLC-MS), using a quadrupole-time of flight (Q-TOF) as a mass analyser proved to be an excellent tool for identification purposes while ion mobility mass spectrometry (IM-MS) shown to be very useful for the confirmation of the candidates proposed. The results showed the presence of different non-volatile ink components in migration such as colorants (Solvent Red 49), plasticizers (dimethyl sebacate, tributyl o-acetyl citrate) or surfactants (SchercodineM, triethylene glycol caprilate). An oxidation product of an ink additive (triphenyl phosphine oxide) was also detected. In addition, a surface analysis technique, desorption electrospray mass spectrometry (DESI-MS), was used for analyzing the distribution of some ink components (tributyl o-acetyl citrate Schercodine L, phthalates) in the material. The detection of some of these compounds in the back-printed side confirmed the transference of this compound from the non-food to the food contact side. The results also showed that concentration of ink migrants decreased when an aluminum or polypropylene layer covered the ink. When aluminum was used, concentration of most of ink migrants decreased, and for 5 out of the 9 even disappeared.
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Affiliation(s)
- Margarita Aznar
- Departamento de Química Analítica, Instituto de Investigación en Ingeniería de Aragón (I3A), Grupo GUIA, Universidad de Zaragoza, Zaragoza, Spain
| | - Pilar Alfaro
- Departamento de Química Analítica, Instituto de Investigación en Ingeniería de Aragón (I3A), Grupo GUIA, Universidad de Zaragoza, Zaragoza, Spain
| | - Cristina Nerín
- Departamento de Química Analítica, Instituto de Investigación en Ingeniería de Aragón (I3A), Grupo GUIA, Universidad de Zaragoza, Zaragoza, Spain.
| | - Emrys Jones
- Waters Corporation, Stamford Avenue, Altrincham Road, Wilmslow, SK9 4AX, UK
| | - Eleanor Riches
- Waters Corporation, Stamford Avenue, Altrincham Road, Wilmslow, SK9 4AX, UK
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Reinecke T, Kirk AT, Heptner A, Niebuhr D, Böttger S, Zimmermann S. A compact high-resolution X-ray ion mobility spectrometer. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2016; 87:053120. [PMID: 27250405 DOI: 10.1063/1.4950866] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
For the ionization of gaseous samples, most ion mobility spectrometers employ radioactive ionization sources, e.g., containing (63)Ni or (3)H. Besides legal restrictions, radioactive materials have the disadvantage of a constant radiation with predetermined intensity. In this work, we replaced the (3)H source of our previously described high-resolution ion mobility spectrometer with 75 mm drift tube length with a commercially available X-ray source. It is shown that the current configuration maintains the resolving power of R = 100 which was reported for the original setup containing a (3)H source. The main advantage of an X-ray source is that the intensity of the radiation can be adjusted by varying its operating parameters, i.e., filament current and acceleration voltage. At the expense of reduced resolving power, the sensitivity of the setup can be increased by increasing the activity of the source. Therefore, the performance of the setup can be adjusted to the specific requirements of any application. To investigate the relation between operating parameters of the X-Ray source and the performance of the ion mobility spectrometer, parametric studies of filament current and acceleration voltage are performed and the influence on resolving power, peak height, and noise is analyzed.
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Affiliation(s)
- T Reinecke
- Department of Sensors and Measurement Technology, Institute of Electrical Engineering and Measurement Technology, Leibniz Universität Hannover, Appelstr. 9A, 30167 Hannover, Germany
| | - A T Kirk
- Department of Sensors and Measurement Technology, Institute of Electrical Engineering and Measurement Technology, Leibniz Universität Hannover, Appelstr. 9A, 30167 Hannover, Germany
| | - A Heptner
- Department of Sensors and Measurement Technology, Institute of Electrical Engineering and Measurement Technology, Leibniz Universität Hannover, Appelstr. 9A, 30167 Hannover, Germany
| | - D Niebuhr
- Department of Sensors and Measurement Technology, Institute of Electrical Engineering and Measurement Technology, Leibniz Universität Hannover, Appelstr. 9A, 30167 Hannover, Germany
| | - S Böttger
- Department of Sensors and Measurement Technology, Institute of Electrical Engineering and Measurement Technology, Leibniz Universität Hannover, Appelstr. 9A, 30167 Hannover, Germany
| | - S Zimmermann
- Department of Sensors and Measurement Technology, Institute of Electrical Engineering and Measurement Technology, Leibniz Universität Hannover, Appelstr. 9A, 30167 Hannover, Germany
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Reinecke T, Kirk A, Ahrens A, Raddatz CR, Thoben C, Zimmermann S. A compact high resolution electrospray ionization ion mobility spectrometer. Talanta 2016; 150:1-6. [DOI: 10.1016/j.talanta.2015.12.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 11/30/2015] [Accepted: 12/08/2015] [Indexed: 10/22/2022]
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Wang Y, Li Y, Yang J, Ruan J, Sun C. Microbial volatile organic compounds and their application in microorganism identification in foodstuff. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2015.08.010] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Breitbach ZS, Berthod A, Huang K, Armstrong DW. Mass spectrometric detection of trace anions: The evolution of paired-ion electrospray ionization (PIESI). MASS SPECTROMETRY REVIEWS 2016; 35:201-218. [PMID: 25648413 DOI: 10.1002/mas.21448] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Revised: 05/04/2014] [Accepted: 05/04/2014] [Indexed: 06/04/2023]
Abstract
The negative-ion mode of electrospray ionization mass spectrometry (ESI-MS) is intrinsically less sensitive than the positive-ion mode. The detection and quantitation of anions can be performed in positive-ion mode by forming specific ion-pairs during the electrospray process. The paired-ion electrospray ionization (PIESI) method uses specially synthesized multifunctional cations to form positively charged adducts with the anions to be analyzed. The adducts are detected in the positive-ion mode and at higher m/z ratios to produce excellent signal-to-noise ratios and limits of detection that often are orders of magnitude better than those obtained with native anions in the negative-ion mode. This review briefly summarizes the different analytical approaches to detect and separate anions. It focuses on the recently introduced PIESI method to present the most effective dicationic, tricationic, and tetracationic reagents for the detection of singly and multiply charged anions and some zwitterions. The mechanism by which specific structural molecular architectures can have profound effects on signal intensities is also addressed.
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Affiliation(s)
- Zachary S Breitbach
- Department of Chemistry, University of Texas at Arlington, Planetarium Place, Arlington, 76019, Texas
| | - Alain Berthod
- Institute of Analytical Sciences, University of Lyon, 5 rue de la Doua, Villeurbanne, 69100, France
| | - Ke Huang
- Department of Chemistry, University of Texas at Arlington, Planetarium Place, Arlington, 76019, Texas
| | - Daniel W Armstrong
- Department of Chemistry, University of Texas at Arlington, Planetarium Place, Arlington, 76019, Texas
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45
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Morrison KA, Siems WF, Clowers BH. Augmenting Ion Trap Mass Spectrometers Using a Frequency Modulated Drift Tube Ion Mobility Spectrometer. Anal Chem 2016; 88:3121-9. [DOI: 10.1021/acs.analchem.5b04223] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Kelsey A. Morrison
- Department of Chemistry, Washington State University, PO Box 644630, Pullman, Washington 99164, United States
| | - William F. Siems
- Department of Chemistry, Washington State University, PO Box 644630, Pullman, Washington 99164, United States
| | - Brian H. Clowers
- Department of Chemistry, Washington State University, PO Box 644630, Pullman, Washington 99164, United States
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46
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Sysoev AA, Poteshin SS, Chernyshev DM, Sysoev AA. Rapid identification of triphenylmethane dyes by ion mobility time-of-flight mass spectrometry. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2016; 22:289-296. [PMID: 27900858 DOI: 10.1255/ejms.1439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
An ion mobility time-of-flight mass spectrometry (IM-TOFMS)-based method has been preliminarily investigated for the identification of triphenylmethane ballpoint pen dyes on paper. The dyes were sampled from one-year-old ballpoint pen ink entries. The entries were written on paper documents stored in the dark in a bookcase. Sample solutions were prepared by extraction of dyes in a vial. Basic violet 2, Methyl violet 6B, Methyl violet 2B and Crystal violet were characterized by IM-TOFMS. Since the ballpoint ink dyes contain ionic compounds, the studied compounds were expected to form stable peaks in the atmospheric pressure drift tube ion mobility spectrometry, and this was experimentally verified. The studied dyes produce [M - Cl]+ ions in electrospray and form stable individual mass-selective reduced mobility peaks. The values of the characteristic reduced mobility are: 1.187 cm2/(V·s) for Basic violet 2 (m/z 330.20), 1.165 cm2/(V·s) for Methyl violet 6B (m/z 344.21), 1.156 cm2/(V·s) for Methyl violet 2B (m/z 358.23), 1.123 cm2/(V·s) for Crystal violet (m/z 372.24). IM-TOFMS is expected to be a promising tool for fast and reliable analysis of dyes in complex matrixes.
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Affiliation(s)
- Alexey A Sysoev
- National Research Nuclear University MEPhI, 115409, Kashirskoe shosse 31, Moscow, Russian Federation and Linantec Ltd., 115409, Kashirskoe shosse 31, Moscow, Russian Federation.
| | - Sergey S Poteshin
- National Research Nuclear University MEPhI, 115409, Kashirskoe shosse 31, Moscow, Russian Federation
| | - Denis M Chernyshev
- National Research Nuclear University MEPhI, 115409, Kashirskoe shosse 31, Moscow, Russian Federation and Linantec Ltd., 115409, Kashirskoe shosse 31, Moscow, Russian Federation
| | - Alexander A Sysoev
- National Research Nuclear University MEPhI, 115409, Kashirskoe shosse 31, Moscow, Russian Federation
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47
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Transient simulation of moving ion clouds in time-of-flight ion mobility spectrometers operating with DC and AC fields. ACTA ACUST UNITED AC 2015. [DOI: 10.1007/s12127-015-0179-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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48
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Garrido-Delgado R, Dobao-Prieto MDM, Arce L, Valcárcel M. Determination of volatile compounds by GC-IMS to assign the quality of virgin olive oil. Food Chem 2015; 187:572-9. [PMID: 25977065 DOI: 10.1016/j.foodchem.2015.04.082] [Citation(s) in RCA: 104] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Revised: 04/09/2015] [Accepted: 04/18/2015] [Indexed: 01/29/2023]
Abstract
The characterisation of different olive oil categories (extra virgin, virgin and lampante) using Ion Mobility Spectrometry (IMS) was improved by replacing the multicapillary column (MCC) with a capillary column (CC). The data obtained with MCC-IMS and CC-IMS were evaluated, studying both the global and the specific information obtained after the analysis of the volatile fraction of olive oils. A better differentiation of the oil categories was obtained employing CC vs MCC, since the classification percentage obtained with the CC-IMS was 92% as opposed to 87% obtained with MCC-IMS; although in productivity analytical terms, MCC offer a faster analysis than GC. The specific information obtained was also used to build a database, with a view to facilitating the characterization of specific attributes of olive oils. A total of 26 volatile metabolites (aldehydes, ketones, alcohols and esters) were identified. Finally, as revealed by an ANOVA test, some volatiles differed markedly in content among the different categories of oil. The data obtained confirms the potential of IMS as a reliable analytical screening technique, which can be used to assign the correct category to an olive oil sample.
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Affiliation(s)
- Rocío Garrido-Delgado
- Department of Analytical Chemistry, Faculty of Sciences, University of Cordoba, Andalusian Institute of Fine Chemistry and Nanochemistry, International Agrifood Campus of Excellence (ceiA3), Annex C3 Building, Campus of Rabanales, E-14071 Córdoba, Spain
| | - María del Mar Dobao-Prieto
- Department of Analytical Chemistry, Faculty of Sciences, University of Cordoba, Andalusian Institute of Fine Chemistry and Nanochemistry, International Agrifood Campus of Excellence (ceiA3), Annex C3 Building, Campus of Rabanales, E-14071 Córdoba, Spain
| | - Lourdes Arce
- Department of Analytical Chemistry, Faculty of Sciences, University of Cordoba, Andalusian Institute of Fine Chemistry and Nanochemistry, International Agrifood Campus of Excellence (ceiA3), Annex C3 Building, Campus of Rabanales, E-14071 Córdoba, Spain
| | - Miguel Valcárcel
- Department of Analytical Chemistry, Faculty of Sciences, University of Cordoba, Andalusian Institute of Fine Chemistry and Nanochemistry, International Agrifood Campus of Excellence (ceiA3), Annex C3 Building, Campus of Rabanales, E-14071 Córdoba, Spain.
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Cumeras R, Figueras E, Davis CE, Baumbach JI, Gràcia I. Review on ion mobility spectrometry. Part 1: current instrumentation. Analyst 2015; 140:1376-90. [PMID: 25465076 PMCID: PMC4331213 DOI: 10.1039/c4an01100g] [Citation(s) in RCA: 268] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Ion Mobility Spectrometry (IMS) is a widely used and 'well-known' technique of ion separation in the gaseous phase based on the differences in ion mobilities under an electric field. All IMS instruments operate with an electric field that provides space separation, but some IMS instruments also operate with a drift gas flow that provides also a temporal separation. In this review we will summarize the current IMS instrumentation. IMS techniques have received an increased interest as new instrumentation and have become available to be coupled with mass spectrometry (MS). For each of the eight types of IMS instruments reviewed it is mentioned whether they can be hyphenated with MS and whether they are commercially available. Finally, out of the described devices, the six most-consolidated ones are compared. The current review article is followed by a companion review article which details the IMS hyphenated techniques (mainly gas chromatography and mass spectrometry) and the factors that make the data from an IMS device change as a function of device parameters and sampling conditions. These reviews will provide the reader with an insightful view of the main characteristics and aspects of the IMS technique.
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Affiliation(s)
- R Cumeras
- Institut de Microelectrònica de Barcelona, IMB-CNM (CSIC), Esfera UAB, Campus UAB s/n, E-08193 Bellaterra, Barcelona, Spain.
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50
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Ilbeigi V, Tabrizchi M. Thin Layer Chromatography-Ion Mobility Spectrometry (TLC-IMS). Anal Chem 2014; 87:464-9. [DOI: 10.1021/ac502685m] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Vahideh Ilbeigi
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Mahmoud Tabrizchi
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Iran
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