1
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Liang SY, Cua Estayan MI, Hsieh LW, Pan MC, Li KX, Chang HC, Peng WP. Real-Time Monitoring of the Evaporation and Fission of Electrospray-Ionized Polystyrene Beads and Bacterial Pellets at Elevated Temperatures. Anal Chem 2024; 96:7179-7186. [PMID: 38661266 DOI: 10.1021/acs.analchem.4c00763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
This study uses real-time monitoring, at microsecond time scales, with a charge-sensing particle detector to investigate the evaporation and fission processes of methanol/micrometer-sized polystyrene beads (PS beads) droplets and bacterial particles droplets generated via electrospray ionization (ESI) under elevated temperatures. By incrementally raising capillary temperatures, the solvent, such as methanol on 0.75 μm PS beads, experiences partial evaporation. Further temperature increase induces fission, and methanol molecules continue to evaporate until PS ions are detected after this range. Similar partial evaporation is observed on 3 μm PS beads. However, the shorter period of the fission temperature range is necessary compared to 0.75 μm PS beads. For the spherical-shaped bacterium, Staphylococcus aureus, the desolvation process shows a similar fission period as compared to 0.75 μm PS beads. Comparably, the rod-shaped bacteria, Escherichia coli EC11303, and E. coli strain W have shorter fission periods than S. aureus. This research provides insights into the evaporation and fission mechanisms of ESI droplets containing different sizes and shapes of micrometer-sized particles, contributing to a better understanding of gaseous macroion formation.
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Affiliation(s)
- Shao-Yu Liang
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan 97401
| | - Mhar Ian Cua Estayan
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan 97401
- Department of Mathematics and Physics, University of Santo Tomas, Manila 1008, Philippines
| | - Li-Wei Hsieh
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan 97401
| | - Meng-Cheng Pan
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan 97401
| | - Kai-Xiang Li
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan 97401
| | - Huan-Cheng Chang
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan 10617
| | - Wen-Ping Peng
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan 97401
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2
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Xiong C, Pan Y, Fan J, Li Y, Wang J, Nie Z. Accurate and High-Resolution Particle Mass Measurement Using a Peak Filtering Algorithm. Anal Chem 2024; 96:6511-6516. [PMID: 38634936 DOI: 10.1021/acs.analchem.3c04217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
Charge detection quadrupole ion trap mass spectrometry (CD-QIT MS) is an effective way of achieving the mass analysis of microparticles with ultrahigh mass. However, its mass accuracy and resolution are still poor. To enhance the performance of CD-QIT MS, the resolution Rpeak of each peak in the mass spectra resulting from an individual particle was assessed, and a peak filtering algorithm that can filter out particle adducts and clusters with a lower Rpeak was proposed. By using this strategy, more accurate mass information about the analyzed particles could be obtained, and the mass resolution of CD-QIT MS was improved by nearly 2-fold, which was demonstrated by using the polystyrene (PS) particle size standards and red blood cells (RBCs). Benefiting from these advantages of the peak filtering algorithm, the baseline separation and relative quantification of 3 and 4 μm PS particles were achieved. To prove the application value of this algorithm in a biological system, the mass of yeast cells harvested at different times was measured, and it was found that the mixed unbudded and budded yeast cells, which otherwise would not be differentiable, were distinguished and quantified with the algorithm.
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Affiliation(s)
- Caiqiao Xiong
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yixin Pan
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jinghan Fan
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yuze Li
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, China
| | - Jiyun Wang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zongxiu Nie
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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3
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Lai YH, Wang YS. Advances in high-resolution mass spectrometry techniques for analysis of high mass-to-charge ions. Mass Spectrom Rev 2023; 42:2426-2445. [PMID: 35686331 DOI: 10.1002/mas.21790] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 01/27/2022] [Accepted: 04/07/2022] [Indexed: 06/15/2023]
Abstract
A major challenge in modern mass spectrometry (MS) is achieving high mass resolving power and accuracy for precision analyses in high mass-to-charge (m/z) regions. To advance the capability of MS for increasingly demanding applications, understanding limitations of state-of-the-art techniques and their status in applied sciences is essential. This review summarizes important instruments in high-resolution mass spectrometry (HRMS) and related advances to extend their working range to high m/z regions. It starts with an overview of HRMS techniques that provide adequate performance for macromolecular analysis, including Fourier-transform, time-of-flight (TOF), quadrupole-TOF, and related data-processing techniques. Methodologies and applications of HRMS for characterizing macromolecules in biochemistry and material sciences are summarized, such as top-down proteomics, native MS, drug discovery, structural virology, and polymer analyses.
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Affiliation(s)
- Yin-Hung Lai
- Genomics Research Center, Academia Sinica, Taipei, Taiwan, R.O.C
- Department of Chemical Engineering, National United University, Miaoli, Taiwan, R.O.C
- Institute of Food Safety and Health Risk Assessment, National Yang Ming Chiao Tung University, Taipei, Taiwan, R.O.C
| | - Yi-Sheng Wang
- Genomics Research Center, Academia Sinica, Taipei, Taiwan, R.O.C
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4
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Zhang H, Jia H, Hong J, Zhang M, Jiang T, Xu W. Development of a High-Field "Brick" Mass Spectrometer with Extended Mass Range and Capable of Characterizing Native Proteins. Anal Chem 2023; 95:13503-13508. [PMID: 37650728 DOI: 10.1021/acs.analchem.3c01769] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
One of the main challenges of analyzing intact proteins on an ion trap mass spectrometer is the mass range limitation, especially for miniature mass spectrometers. In this study, a high-field frequency scanning ion trap miniature mass spectrometer, namely the high-field "Brick" mass spectrometer, was developed to analyze intact proteins. A high-voltage broadband radio frequency (rf) amplifier was designed with a maximum output of 900 Vp-p over a frequency range of 130-700 kHz. Compared to the 600 Vp-p rf amplifier equipped in the conventional "Brick" mass spectrometer, the mass range of the instrument could be extended from 2000 to over 8000 Th. Sensitivity and mass resolution for native protein analyses were also evaluated and compared. Various proteins as well as their mixtures were analyzed on the high-field "Brick" mass spectrometer. The noncovalent interaction between protein-ligand complexes, lysozyme with triN-acetylchitotriose, was also analyzed. In addition, a hybrid ion scan mode was explored to further expand the mass range of the instrument at both low- and high-mass ends. In the hybrid ion scan mode, both rf frequency and amplitude were tuned, and a mass range from 100 to 12,000 Th was realized. As a result, both small drugs and proteins could be analyzed in a single mass scan. As proof-of-concept demonstrations, a mixture of atenolol and bovine serum albuminand oligomers of transferrin were analyzed.
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Affiliation(s)
- Hongjia Zhang
- School of Medical Technology, Beijing Institute of Technology, Beijing 100081, China
| | - Heyuan Jia
- Kunshan Nier Precision Instrumentation Inc., Kunshan, Suzhou 215316, China
| | - Jie Hong
- School of Medical Technology, Beijing Institute of Technology, Beijing 100081, China
| | - Mei Zhang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Ting Jiang
- School of Medical Technology, Beijing Institute of Technology, Beijing 100081, China
| | - Wei Xu
- School of Medical Technology, Beijing Institute of Technology, Beijing 100081, China
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5
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Patil AA, Liu ZX, Chiu YP, Lại TKL, Chou SW, Cheng CY, Su WM, Liao HT, Agcaoili JBA, Peng WP. Development of a linear ion trap mass spectrometer capable of analyzing megadalton MALDI ions. Talanta 2023; 259:124555. [PMID: 37088041 DOI: 10.1016/j.talanta.2023.124555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 04/02/2023] [Accepted: 04/11/2023] [Indexed: 04/25/2023]
Abstract
Detecting megadalton matrix-assisted laser desorption/ionization (MALDI) ions in an ion trap mass spectrometer is a technical challenge. In this study, megadalton protein and polymer ions were successfully measured by MALDI linear ion trap mass spectrometer (LIT-MS) for the first time. The LIT-MS is comprised of a Thermo linear ion trap mass analyzer and a highly sensitive charge-sensing particle detector (CSPD). A newly designed radio frequency (rf) scan mode with dipolar resonance ejection techniques is proposed to extend the mass range of LIT-MS up to one million Thomson (Th). We analyze high mass ions with mass-to charge (m/z) ratios ranging from 100 kTh to 1 MTh, including thyroglobulin, alpha-2-macroglobulin, immunoglobulins (e.g., IgG and IgM), and polymer (∼ 940 kTh) ions. Besides, it is also very challenging for ion trap mass spectrometry to detect megadalton ions at low concentrations. By adopting high affinity carboxylated/oxidized detonation nanodiamonds (oxDNDs) to enrich IgM molecules and form antibody-nanodiamond conjugates, we have successfully reached ∼ 5 nM (5 μg/mL) concentration which is better than that by the other techniques.
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Affiliation(s)
- Avinash A Patil
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, 97401, Taiwan
| | - Zhe-Xuan Liu
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, 97401, Taiwan
| | - Yi-Pang Chiu
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, 97401, Taiwan
| | - Thị Khánh Ly Lại
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, 97401, Taiwan
| | - Szu-Wei Chou
- AcroMass Technologies Inc., Hukou, Hsinchu, 30352, Taiwan
| | - Chun-Yen Cheng
- AcroMass Technologies Inc., Hukou, Hsinchu, 30352, Taiwan
| | - Wen-Min Su
- Department of Life Science, National Dong Hwa University, Hualien, 97401, Taiwan
| | - Hong-Ting Liao
- Department of Life Science, National Dong Hwa University, Hualien, 97401, Taiwan
| | | | - Wen-Ping Peng
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, 97401, Taiwan.
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6
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Xu Q, Hong J, Liu S, Zhai Y, Xu W. Development of a miniature protein mass spectrometer capable of analyzing native proteins. Talanta 2021; 233:122580. [PMID: 34215072 DOI: 10.1016/j.talanta.2021.122580] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/27/2021] [Accepted: 05/28/2021] [Indexed: 12/19/2022]
Abstract
Current miniature mass spectrometers were usually designed for the detection of small and medium size molecules, including volatile (semi-volatile) compounds, drugs and lipids. In this study, a miniature protein mass spectrometer was developed in this work, which could serve as a biosensor for the rapid identification of proteins as well as their conformations. A linear ion trap with a field radius of 2.5 mm was designed to extend mass range of the instrument to over 6500 Th. Mass resolution and sensitivity of the instrument were also optimized for protein ions by increasing the buffer gas pressure and using a high-gain Faraday detector. It is then demonstrated that the mass spectra of native proteins, such as IgG1, could be acquired by coupling the instrument with a soft electrospray ionization source. As a proof-of-concept demonstration, results suggest that the current instrument could be used to identify target proteins and probe/distinguish their conformations in solutions.
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Affiliation(s)
- Qian Xu
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Jie Hong
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Siyu Liu
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Yanbing Zhai
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Wei Xu
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, China.
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7
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Abstract
Native mass spectrometry (MS) is aimed at preserving and determining the native structure, composition, and stoichiometry of biomolecules and their complexes from solution after they are transferred into the gas phase. Major improvements in native MS instrumentation and experimental methods over the past few decades have led to a concomitant increase in the complexity and heterogeneity of samples that can be analyzed, including protein-ligand complexes, protein complexes with multiple coexisting stoichiometries, and membrane protein-lipid assemblies. Heterogeneous features of these biomolecular samples can be important for understanding structure and function. However, sample heterogeneity can make assignment of ion mass, charge, composition, and structure very challenging due to the overlap of tens or even hundreds of peaks in the mass spectrum. In this review, we cover data analysis, experimental, and instrumental advances and strategies aimed at solving this problem, with an in-depth discussion of theoretical and practical aspects of the use of available deconvolution algorithms and tools. We also reflect upon current challenges and provide a view of the future of this exciting field.
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Affiliation(s)
- Amber D Rolland
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, Oregon 97403-1253, United States
| | - James S Prell
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, Oregon 97403-1253, United States.,Materials Science Institute, University of Oregon, Eugene, Oregon 97403-1252, United States
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8
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Abstract
Charge detection mass spectrometry is a single particle technique where the masses of individual ions are determined from simultaneous measurements of each ion's m/z ratio and charge. The ions pass through a conducting cylinder, and the charge induced on the cylinder is detected. The cylinder is usually placed inside an electrostatic linear ion trap so that the ions oscillate back and forth through the cylinder. The resulting time domain signal is analyzed by fast Fourier transformation; the oscillation frequency yields the m/z, and the charge is determined from the magnitudes. The mass resolving power depends on the uncertainties in both quantities. In previous work, the mass resolving power was modest, around 30-40. In this work we report around an order of magnitude improvement. The improvement was achieved by coupling high-accuracy charge measurements (obtained with dynamic calibration) with higher resolution m/z measurements. The performance was benchmarked by monitoring the assembly of the hepatitis B virus (HBV) capsid. The HBV capsid assembly reaction can result in a heterogeneous mixture of intermediates extending from the capsid protein dimer to the icosahedral T = 4 capsid with 120 dimers. Intermediates of all possible sizes were resolved, as well as some overgrown species. Despite the improved mass resolving power, the measured peak widths are still dominated by instrumental resolution. Heterogeneity makes only a small contribution. Resonances were observed in some of the m/z spectra. They result from ions with different masses and charges having similar m/z values. Analogous resonances are expected whenever the sample is a heterogeneous mixture assembled from a common building block.
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9
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Antoine R. Weighing synthetic polymers of ultra-high molar mass and polymeric nanomaterials: What can we learn from charge detection mass spectrometry? Rapid Commun Mass Spectrom 2020; 34 Suppl 2:e8539. [PMID: 31353622 DOI: 10.1002/rcm.8539] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 07/19/2019] [Accepted: 07/19/2019] [Indexed: 06/10/2023]
Abstract
Advances in soft ionization techniques for mass spectrometry (MS) of polymeric materials make it possible to determine the masses of intact molecular ions exceeding megadaltons. Interfacing MS with separation and fragmentation methods has additionally led to impressive advances in the ability to structurally characterize polymers. Even if the gap to the megadalton range has been bridged by MS for polymers standards, the MS-based analysis for more complex polymeric materials is still challenging. Charge detection mass spectrometry (CDMS) is a single-molecule method where the mass and the charge of each ion are directly determined from individual measurements. The entire molecular mass distribution of a polymer sample can be thus accurately measured. Described in this perspective paper is how molecular weight distribution as well as charge distribution can provide new insights into the structural and compositional studies of synthetic polymers and polymeric nanomaterials in the megadalton to gigadalton range of molecular weight. The recent multidimensional CDMS studies involving couplings with separation and dissociation techniques will be presented. And, finally, an outlook for the future avenues of the CDMS technique in the field of synthetic polymers of ultra-high molar mass and polymeric nanomaterials will be provided.
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Affiliation(s)
- Rodolphe Antoine
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, UMR 5306, F-69622, Lyon, France
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10
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Abstract
A low noise Faraday detector and a data processing method were developed for a miniature ion trap mass spectrometer.
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Affiliation(s)
- Yang Tang
- School of Life Science
- Beijing Institute of Technology
- Beijing 100081
- China
| | - Qian Xu
- School of Life Science
- Beijing Institute of Technology
- Beijing 100081
- China
| | - Dayu Li
- School of Computer Science and Engineering
- Northeastern University
- Shenyang 110819
- China
| | - Wei Xu
- School of Life Science
- Beijing Institute of Technology
- Beijing 100081
- China
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11
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Abstract
The physical properties of microparticles, such as mass, size, and density, are critical for their functions. The comprehensive characterization of these physical parameters, however, remains a fundamental challenge. Here, we developed a particle mass spectrometry (PMS) methodology for determining the mass, size, and density of microparticles simultaneously. The collisional cross-section (CCS) and mass spectrometry (MS) measurements were performed in a single quadrupole ion trap (QIT), and the two modes can be switched easily by tuning the electric and gas hydrodynamic fields of the QIT. The feasibility of the method was demonstrated through a series of monodispersed polystyrene (PS) and silica (SiO2) particle standards. The SiO2/polypyrrole core-shell particles were also successfully characterized, and the measured results were verified by using conventional methods.
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Affiliation(s)
- Caiqiao Xiong
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 China.,University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Huihui Liu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 China.,University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Chaozi Liu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 China.,University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Jinjuan Xue
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 China.,University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Lingpeng Zhan
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 China.,University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Zongxiu Nie
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 China.,University of Chinese Academy of Sciences , Beijing 100049 , China
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12
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Abstract
Over the last 20 years, mass spectrometry (MS), with its ability to analyze small sample amounts with high speed and sensitivity, has more and more entered the field of structural virology, aiming to investigate the structure and dynamics of viral proteins as close to their native environment as possible. The use of non-perturbing labels in hydrogen-deuterium exchange MS allows for the analysis of interactions between viral proteins and host cell factors as well as their dynamic responses to the environment. Cross-linking MS, on the other hand, can analyze interactions in viral protein complexes and identify virus-host interactions in cells. Native MS allows transferring viral proteins, complexes and capsids into the gas phase and has broken boundaries to overcome size limitations, so that now even the analysis of intact virions is possible. Different MS approaches not only inform about size, stability, interactions and dynamics of virus assemblies, but also bridge the gap to other biophysical techniques, providing valuable constraints for integrative structural modeling of viral complex assemblies that are often inaccessible by single technique approaches. In this review, recent advances are highlighted, clearly showing that structural MS approaches in virology are moving towards systems biology and ever more experiments are performed on cellular level.
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Affiliation(s)
- Jasmin Dülfer
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany
| | - Alan Kadek
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany; European XFEL GmbH, Schenefeld, Germany
| | - Janine-Denise Kopicki
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany
| | - Boris Krichel
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany
| | - Charlotte Uetrecht
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany; European XFEL GmbH, Schenefeld, Germany.
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13
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Liang SY, Patil AA, Han CH, Chou SW, Chang W, Soo PC, Chang HC, Peng WP. Ionization of Submicrometer-Sized Particles by Laser-Induced Radiofrequency Plasma for Mass Spectrometric Analysis. Anal Chem 2018; 90:13236-13242. [DOI: 10.1021/acs.analchem.8b03983] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Shao-Yu Liang
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan 97401
| | - Avinash A. Patil
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan 97401
| | - Chou-Hsun Han
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan 97401
| | - Szu-Wei Chou
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan 97401
- AcroMass Technologies Inc., Hukou, Hsinchu, Taiwan 30352
| | - Wen Chang
- Institute of Molecular Biology, Academia Sinica, Taipei, Taiwan 11529
| | - Po-Chi Soo
- Department of Laboratory Medicine and Biotechnology, Tzu Chi University, Hualien, Taiwan 97004
| | - Huan-Cheng Chang
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan 10617
| | - Wen-Ping Peng
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan 97401
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14
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Shi H, Zhang B, Liu S, Tan C, Tan Y, Jiang Y. A New Strategy Involving the Use of Peptides and Graphene Oxide for Fluorescence Turn-on Detection of Proteins. Sensors (Basel) 2018; 18:E385. [PMID: 29382136 PMCID: PMC5855184 DOI: 10.3390/s18020385] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 01/23/2018] [Accepted: 01/25/2018] [Indexed: 12/20/2022]
Abstract
The detection of proteins is of great biological significance as disease biomarkers in early diagnosis, prognosis tracking and therapeutic evaluation. Thus, we developed a simple, sensitive and universal protein-sensing platform based on peptide and graphene oxide (GO). The design consists of a fluorophore (TAMRA, TAM), a peptide containing eight arginines and peptide ligand that could recognize the target protein, and GO used as a quencher. To demonstrate the feasible use of the sensor for target detection, Bcl-xL was evaluated as the model target. The sensor was proved to be sensitive and applied for the detection of the target proteins in buffer, 2% serum and living cells.
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Affiliation(s)
- Huan Shi
- Department of Chemistry, Tsinghua University, Beijing 100084, China.
- The State Key Laboratory Breeding Base-Shenzhen Key Laboratory of Chemical Biology, the Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China.
| | - Bibo Zhang
- Department of Chemistry, Tsinghua University, Beijing 100084, China.
- The State Key Laboratory Breeding Base-Shenzhen Key Laboratory of Chemical Biology, the Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China.
| | - Shuwen Liu
- Department of Chemistry, Tsinghua University, Beijing 100084, China.
- The State Key Laboratory Breeding Base-Shenzhen Key Laboratory of Chemical Biology, the Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China.
| | - Chunyan Tan
- Department of Chemistry, Tsinghua University, Beijing 100084, China.
- The State Key Laboratory Breeding Base-Shenzhen Key Laboratory of Chemical Biology, the Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China.
| | - Ying Tan
- Department of Chemistry, Tsinghua University, Beijing 100084, China.
- The State Key Laboratory Breeding Base-Shenzhen Key Laboratory of Chemical Biology, the Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China.
| | - Yuyang Jiang
- The State Key Laboratory Breeding Base-Shenzhen Key Laboratory of Chemical Biology, the Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China.
- School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China.
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15
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Abstract
In single-molecule mass spectrometry, the mass of each ion is measured individually; making it suitable for the analysis of very large, heterogeneous objects that cannot be analyzed by conventional means. A range of single-molecule mass spectrometry techniques has been developed, including time-of-flight with cryogenic detectors, a quadrupole ion trap with optical detection, single-molecule Fourier transform ion cyclotron resonance, charge detection mass spectrometry, quadrupole ion traps coupled to charge detector plates, and nanomechanical oscillators. In addition to providing information on mass and heterogeneity, these techniques have been used to study impact craters from cosmic dust, monitor the assembly of viruses, elucidate the fluorescence dynamics of quantum dots, and much more. This review focuses on the merits of each of these technologies, their limitations, and their applications. © 2016 Wiley Periodicals, Inc. Mass Spec Rev 36:715-733, 2017.
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Affiliation(s)
- David Z Keifer
- Department of Chemistry, Indiana University, 800 E. Kirkwood Ave., Bloomington, IN, 47401
| | - Martin F Jarrold
- Department of Chemistry, Indiana University, 800 E. Kirkwood Ave., Bloomington, IN, 47401
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16
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Patil AA, Chou SW, Chang PY, Lee CW, Cheng CY, Chu ML, Peng WP. High Mass Ion Detection with Charge Detector Coupled to Rectilinear Ion Trap Mass Spectrometer. J Am Soc Mass Spectrom 2017; 28:1066-1078. [PMID: 27966174 DOI: 10.1007/s13361-016-1548-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2016] [Revised: 10/25/2016] [Accepted: 10/28/2016] [Indexed: 06/06/2023]
Abstract
Conventional linear ion trap mass analyzers (LIT-MS) provide high ion capacity and show their MS n ability; however, the detection of high mass ions is still challenging because LIT-MS with secondary electron detectors (SED) cannot detect high mass ions. To detect high mass ions, we coupled a charge detector (CD) to a rectilinear ion trap mass spectrometer (RIT-MS). Immunoglobulin G ions (m/z ~150,000) are measured successfully with controlled ion kinetic energy. In addition, when mass-to-charge (m/z) ratios of singly charged ions exceed 10 kTh, the detection efficiency of CD is found to be greater than that of SED. The CD can be coupled to LIT-MS to extend the detection mass range and provide the potential to perform MS n of high mass ions inside the ion trap. Graphical Abstract ᅟ.
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Affiliation(s)
- Avinash A Patil
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan, 97401, Republic of China
| | - Szu-Wei Chou
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan, 97401, Republic of China
- AcroMass technologies Inc., Hukou, Hsinchu, Taiwan, 30352, Republic of China
| | - Pei-Yu Chang
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan, 97401, Republic of China
| | - Chen-Wei Lee
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan, 97401, Republic of China
| | - Chun-Yen Cheng
- AcroMass technologies Inc., Hukou, Hsinchu, Taiwan, 30352, Republic of China
| | - Ming-Lee Chu
- Institute of Physics, Academia Sinica, Taipei, Taiwan, Republic of China
| | - Wen-Ping Peng
- Department of Physics, National Dong Hwa University, Shoufeng, Hualien, Taiwan, 97401, Republic of China.
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Thaysen-Andersen M, Packer NH, Schulz BL. Maturing Glycoproteomics Technologies Provide Unique Structural Insights into the N-glycoproteome and Its Regulation in Health and Disease. Mol Cell Proteomics 2016; 15:1773-90. [PMID: 26929216 PMCID: PMC5083109 DOI: 10.1074/mcp.o115.057638] [Citation(s) in RCA: 137] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 02/09/2016] [Indexed: 12/21/2022] Open
Abstract
The glycoproteome remains severely understudied because of significant analytical challenges associated with glycoproteomics, the system-wide analysis of intact glycopeptides. This review introduces important structural aspects of protein N-glycosylation and summarizes the latest technological developments and applications in LC-MS/MS-based qualitative and quantitative N-glycoproteomics. These maturing technologies provide unique structural insights into the N-glycoproteome and its synthesis and regulation by complementing existing methods in glycoscience. Modern glycoproteomics is now sufficiently mature to initiate efforts to capture the molecular complexity displayed by the N-glycoproteome, opening exciting opportunities to increase our understanding of the functional roles of protein N-glycosylation in human health and disease.
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Affiliation(s)
- Morten Thaysen-Andersen
- From the ‡Department of Chemistry and Biomolecular Sciences, Macquarie University, Sydney, NSW, Australia;
| | - Nicolle H Packer
- From the ‡Department of Chemistry and Biomolecular Sciences, Macquarie University, Sydney, NSW, Australia
| | - Benjamin L Schulz
- §School of Chemistry & Molecular Biosciences, St Lucia, The University of Queensland, Brisbane, QLD, Australia
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Affiliation(s)
- Ning Zhang
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Analytical
Chemistry for Living Biosystems, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, China
| | - Kai Zhu
- Department
of Optical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Caiqiao Xiong
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Analytical
Chemistry for Living Biosystems, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, China
| | - Yurong Jiang
- Department
of Optical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Huan-Cheng Chang
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106, Taiwan
| | - Zongxiu Nie
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Analytical
Chemistry for Living Biosystems, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, China
- National Center for Mass Spectrometry in Beijing, Beijing 100190, China
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Hickey JM, Sahni N, Toth RT 4th, Kumru OS, Joshi SB, Middaugh CR, Volkin DB. Challenges and opportunities of using liquid chromatography and mass spectrometry methods to develop complex vaccine antigens as pharmaceutical dosage forms. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1032:23-38. [PMID: 27071526 DOI: 10.1016/j.jchromb.2016.04.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Revised: 03/31/2016] [Accepted: 04/01/2016] [Indexed: 12/22/2022]
Abstract
Liquid chromatographic methods, combined with mass spectrometry, offer exciting and important opportunities to better characterize complex vaccine antigens including recombinant proteins, virus-like particles, inactivated viruses, polysaccharides, and protein-polysaccharide conjugates. The current abilities and limitations of these physicochemical methods to complement traditional in vitro and in vivo vaccine potency assays are explored in this review through the use of illustrative case studies. Various applications of these state-of-the art techniques are illustrated that include the analysis of influenza vaccines (inactivated whole virus and recombinant hemagglutinin), virus-like particle vaccines (human papillomavirus and hepatitis B), and polysaccharide linked to protein carrier vaccines (pneumococcal). Examples of utilizing these analytical methods to characterize vaccine antigens in the presence of adjuvants, which are often included to boost immune responses as part of the final vaccine dosage form, are also presented. Some of the challenges of using chromatographic and LC-MS as physicochemical assays to routinely test complex vaccine antigens are also discussed.
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Pirro V, Oliveri P, Ferreira CR, González-Serrano AF, Machaty Z, Cooks RG. Lipid characterization of individual porcine oocytes by dual mode DESI-MS and data fusion. Anal Chim Acta 2014; 848:51-60. [PMID: 25263116 DOI: 10.1016/j.aca.2014.08.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Revised: 07/31/2014] [Accepted: 08/02/2014] [Indexed: 01/10/2023]
Abstract
The development of sensitive measurements to analyze individual cells is of relevance to elucidate specialized roles or metabolic functions of each cell under physiological and pathological conditions. Lipids play multiple and critical roles in cellular functions and the application of analytical methods in the lipidomics area is of increasing interest. In this work, in vitro maturation of porcine oocytes was studied. Two independent sources of chemical information (represented by mass spectra in the positive and negative ion modes) from single oocytes (immature oocytes, 24-h and 44-h in vitro matured oocytes) were acquired by using desorption electrospray ionization-mass spectrometry (DESI-MS). Low and mid-level data fusion strategies are presented with the aim of better exploring the large amount of chemical information contained in the two mass spectrometric lipid profiles. Data were explored by principal component analysis (PCA) within the two multi-block approaches to include information on free fatty acids, phospholipids, cholesterol-related molecules, di- and triacylglycerols. After data fusion, clearer differences among immature and in vitro matured porcine oocytes were observed, which provide novel information regarding lipid metabolism throughout oocyte maturation. In particular, changes in TAG composition, as well as increase in fatty acid metabolism and membrane complexity were evidenced during the in vitro maturation process. This information can assist the improvement of in vitro embryo production for porcine species.
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Affiliation(s)
- Valentina Pirro
- Department of Chemistry, University of Turin, Via Pietro Giuria 7, Turin 10125, Italy.
| | - Paolo Oliveri
- Department of Pharmacy, University of Genoa, Via Brigata Salerno 13, Genoa 16147, Italy
| | | | | | - Zoltan Machaty
- Department of Animal Sciences, Purdue University, 915 W. State St., West Lafayette, IN 47907, USA
| | - Robert Graham Cooks
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN 47907, USA
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