1
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Meier D, Schoof B, Wang J, Li X, Walz A, Huettig A, Schlichting H, Rosu F, Gabelica V, Maurizot V, Reichert J, Papageorgiou AC, Huc I, Barth JV. Structural adaptations of electrosprayed aromatic oligoamide foldamers on Ag(111). Chem Commun (Camb) 2022; 58:8938-8941. [PMID: 35851385 DOI: 10.1039/d2cc03286d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Aromatic foldamers are promising for applications such as molecular recognition and molecular machinery. For many of these, defect free, 2D-crystaline monolayers are needed. To this end, submonolayers were prepared in ultra-high vacuum (UHV) on Ag(111) via electrospray controlled ion beam deposition (ES-CIBD). On the surface, the unfolded state is unambiguously identified by real-space single-molecule imaging using scanning tunnelling microscopy (STM) and it is found to assemble in regular structures.
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Affiliation(s)
- Dennis Meier
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany.
| | - Benedikt Schoof
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany.
| | - Jinhua Wang
- CBMN (UMR 5248), Univ. Bordeaux, CNRS, Bordeaux INP, F-33600 Pessac, France
| | - Xuesong Li
- CBMN (UMR 5248), Univ. Bordeaux, CNRS, Bordeaux INP, F-33600 Pessac, France
| | - Andreas Walz
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany.
| | - Annette Huettig
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany.
| | - Hartmut Schlichting
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany.
| | - Frédéric Rosu
- Institut Européen de Chimie et Biologie (UAR3033/US001), Univ. Bordeaux, CNRS, INSERM, F-33600 Pessac, France
| | - Valérie Gabelica
- Institut Européen de Chimie et Biologie (UAR3033/US001), Univ. Bordeaux, CNRS, INSERM, F-33600 Pessac, France.,ARNA (U1212), Univ. Bordeaux, INSERM, CNRS, F-33600 Pessac, France
| | - Victor Maurizot
- CBMN (UMR 5248), Univ. Bordeaux, CNRS, Bordeaux INP, F-33600 Pessac, France
| | - Joachim Reichert
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany.
| | | | - Ivan Huc
- Department of Pharmacy, Ludwig-Maximilians-University Munich, D-81377 Munich, Germany. .,Cluster of Excellence e-conversion, D-85748 Garching, Germany
| | - Johannes V Barth
- Physics Department E20, Technical University Munich, D-85748 Garching, Germany. .,Cluster of Excellence e-conversion, D-85748 Garching, Germany
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2
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Walz A, Stoiber K, Huettig A, Schlichting H, Barth JV. Navigate Flying Molecular Elephants Safely to the Ground: Mass-Selective Soft Landing up to the Mega-Dalton Range by Electrospray Controlled Ion-Beam Deposition. Anal Chem 2022; 94:7767-7778. [PMID: 35609119 PMCID: PMC9178560 DOI: 10.1021/acs.analchem.1c04495] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The prototype of a highly versatile and efficient preparative mass spectrometry system used for the deposition of molecules in ultrahigh vacuum (UHV) is presented, along with encouraging performance data obtained using four model species that are thermolabile or not sublimable. The test panel comprises two small organic compounds, a small and very large protein, and a large DNA species covering a 4-log mass range up to 1.7 MDa as part of a broad spectrum of analyte species evaluated to date. Three designs of innovative ion guides, a novel digital mass-selective quadrupole (dQMF), and a standard electrospray ionization (ESI) source are combined to an integrated device, abbreviated electrospray controlled ion-beam deposition (ES-CIBD). Full control is achieved by (i) the square-wave-driven radiofrequency (RF) ion guides with steadily tunable frequencies, including a dQMF allowing for investigation, purification, and deposition of a virtually unlimited m/z range, (ii) the adjustable landing energy of ions down to ∼2 eV/z enabling integrity-preserving soft landing, (iii) the deposition in UHV with high ion beam intensity (up to 3 nA) limiting contaminations and deposition time, and (iv) direct coverage control via the deposited charge. The maximum resolution of R = 650 and overall efficiency up to Ttotal = 4.4% calculated from the solution to UHV deposition are advantageous, whereby the latter can be further enhanced by optimizing ionization performance. In the setup presented, a scanning tunneling microscope (STM) is attached for in situ UHV investigations of deposited species, demonstrating a selective, structure-preserving process and atomically clean layers.
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Affiliation(s)
- Andreas Walz
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - Karolina Stoiber
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - Annette Huettig
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - Hartmut Schlichting
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, 85748 Garching, Germany
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3
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Ran W, Walz A, Stoiber K, Knecht P, Xu H, Papageorgiou AC, Huettig A, Cortizo-Lacalle D, Mora-Fuentes JP, Mateo-Alonso A, Schlichting H, Reichert J, Barth JV. Depositing Molecular Graphene Nanoribbons on Ag(111) by Electrospray Controlled Ion Beam Deposition: Self-Assembly and On-Surface Transformations. Angew Chem Int Ed Engl 2022; 61:e202111816. [PMID: 35077609 PMCID: PMC9305426 DOI: 10.1002/anie.202111816] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Indexed: 12/31/2022]
Abstract
The chemical processing of low‐dimensional carbon nanostructures is crucial for their integration in future devices. Here we apply a new methodology in atomically precise engineering by combining multistep solution synthesis of N‐doped molecular graphene nanoribbons (GNRs) with mass‐selected ultra‐high vacuum electrospray controlled ion beam deposition on surfaces and real‐space visualisation by scanning tunnelling microscopy. We demonstrate how this method yields solely a controllable amount of single, otherwise unsublimable, GNRs of 2.9 nm length on a planar Ag(111) surface. This methodology allows for further processing by employing on‐surface synthesis protocols and exploiting the reactivity of the substrate. Following multiple chemical transformations, the GNRs provide reactive building blocks to form extended, metal–organic coordination polymers.
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Affiliation(s)
- Wei Ran
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Andreas Walz
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Karolina Stoiber
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Peter Knecht
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Hongxiang Xu
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Anthoula C Papageorgiou
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Annette Huettig
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Diego Cortizo-Lacalle
- POLYMAT, University of the Basque Country UPV/EHU, Avenida de Tolosa 72, 20018, Donostia-San Sebastian, Spain
| | - Juan P Mora-Fuentes
- POLYMAT, University of the Basque Country UPV/EHU, Avenida de Tolosa 72, 20018, Donostia-San Sebastian, Spain
| | - Aurelio Mateo-Alonso
- POLYMAT, University of the Basque Country UPV/EHU, Avenida de Tolosa 72, 20018, Donostia-San Sebastian, Spain.,Ikerbasque, Basque Foundation for Science, Bilbao, Spain
| | - Hartmut Schlichting
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Joachim Reichert
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
| | - Johannes V Barth
- Physics Department E20, Technical University of Munich, James Franck Straße 1, 85748, Garching, Germany
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4
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Ran W, Walz A, Stoiber K, Knecht P, Xu H, Papageorgiou AC, Huettig A, Cortizo‐Lacalle D, Mora‐Fuentes JP, Mateo‐Alonso A, Schlichting H, Reichert J, Barth JV. Depositing Molecular Graphene Nanoribbons on Ag(111) by Electrospray Controlled Ion Beam Deposition: Self‐Assembly and On‐Surface Transformations. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202111816] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Wei Ran
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Andreas Walz
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Karolina Stoiber
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Peter Knecht
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Hongxiang Xu
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Anthoula C. Papageorgiou
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Annette Huettig
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Diego Cortizo‐Lacalle
- POLYMAT University of the Basque Country UPV/EHU Avenida de Tolosa 72 20018 Donostia-San Sebastian Spain
| | - Juan P. Mora‐Fuentes
- POLYMAT University of the Basque Country UPV/EHU Avenida de Tolosa 72 20018 Donostia-San Sebastian Spain
| | - Aurelio Mateo‐Alonso
- POLYMAT University of the Basque Country UPV/EHU Avenida de Tolosa 72 20018 Donostia-San Sebastian Spain
- Ikerbasque, Basque Foundation for Science Bilbao Spain
| | - Hartmut Schlichting
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Joachim Reichert
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
| | - Johannes V. Barth
- Physics Department E20 Technical University of Munich James Franck Straße 1 85748 Garching Germany
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5
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Li C, Chu S, Tan S, Yin X, Jiang Y, Dai X, Gong X, Fang X, Tian D. Towards Higher Sensitivity of Mass Spectrometry: A Perspective From the Mass Analyzers. Front Chem 2021; 9:813359. [PMID: 34993180 PMCID: PMC8724130 DOI: 10.3389/fchem.2021.813359] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 12/06/2021] [Indexed: 01/12/2023] Open
Abstract
Mass spectrometry (MS) is one of the most widely used analytical techniques in many fields. Recent developments in chemical and biological researches have drawn much attention to the measurement of substances with low abundances in samples. Continuous efforts have been made consequently to further improve the sensitivity of MS. Modifications on the mass analyzers of mass spectrometers offer a direct, universal and practical way to obtain higher sensitivity. This review provides a comprehensive overview of the latest developments in mass analyzers for the improvement of mass spectrometers' sensitivity, including quadrupole, ion trap, time-of-flight (TOF) and Fourier transform ion cyclotron (FT-ICR), as well as different combinations of these mass analyzers. The advantages and limitations of different mass analyzers and their combinations are compared and discussed. This review provides guidance to the selection of suitable mass spectrometers in chemical and biological analytical applications. It is also beneficial to the development of novel mass spectrometers.
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Affiliation(s)
- Chang Li
- College of Instrumentation & Electrical Engineering, Jilin University, Changchun, China
| | - Shiying Chu
- Technology Innovation Center of Mass Spectrometry for State Market Regulation, Center for Advanced Measurement Science, National Institute of Metrology, Beijing, People’s Republic ofChina
| | - Siyuan Tan
- Technology Innovation Center of Mass Spectrometry for State Market Regulation, Center for Advanced Measurement Science, National Institute of Metrology, Beijing, People’s Republic ofChina
| | - Xinchi Yin
- Technology Innovation Center of Mass Spectrometry for State Market Regulation, Center for Advanced Measurement Science, National Institute of Metrology, Beijing, People’s Republic ofChina
| | - You Jiang
- Technology Innovation Center of Mass Spectrometry for State Market Regulation, Center for Advanced Measurement Science, National Institute of Metrology, Beijing, People’s Republic ofChina
| | - Xinhua Dai
- Technology Innovation Center of Mass Spectrometry for State Market Regulation, Center for Advanced Measurement Science, National Institute of Metrology, Beijing, People’s Republic ofChina
| | - Xiaoyun Gong
- Technology Innovation Center of Mass Spectrometry for State Market Regulation, Center for Advanced Measurement Science, National Institute of Metrology, Beijing, People’s Republic ofChina
| | - Xiang Fang
- Technology Innovation Center of Mass Spectrometry for State Market Regulation, Center for Advanced Measurement Science, National Institute of Metrology, Beijing, People’s Republic ofChina
| | - Di Tian
- College of Instrumentation & Electrical Engineering, Jilin University, Changchun, China
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6
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Samayoa-Oviedo HY, Behrend KA, Kawa S, Knorke H, Su P, Belov ME, Anderson G, Warneke J, Laskin J. Design and Performance of a Soft-Landing Instrument for Fragment Ion Deposition. Anal Chem 2021; 93:14489-14496. [PMID: 34672519 DOI: 10.1021/acs.analchem.1c03009] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report the development of a new high-flux electrospray ionization-based instrument for soft landing of mass-selected fragment ions onto surfaces. Collision-induced dissociation is performed in a collision cell positioned after the dual electrodynamic ion funnel assembly. The high duty cycle of the instrument enables high-coverage deposition of mass-selected fragment ions onto surfaces at a defined kinetic energy. This capability facilitates the investigation of the reactivity of gaseous fragment ions in the condensed phase. We demonstrate that the observed reactions of deposited fragment ions are dependent on the structure of the ion and the composition of either ionic or neutral species codeposited onto a surface. The newly developed instrument provides access to high-purity ion fragments as building blocks for the preparation of unique ionic layers.
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Affiliation(s)
- Hugo Y Samayoa-Oviedo
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Kay-Antonio Behrend
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, 04103 Leipzig, Germany
| | - Sebastian Kawa
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, 04103 Leipzig, Germany
| | - Harald Knorke
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, 04103 Leipzig, Germany
| | - Pei Su
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Mikhail E Belov
- Spectroglyph, LLC, Kennewick, Washington 99338, United States
| | - Gordon Anderson
- GAA Custom Electronics, LLC, POB 335, Benton City, Washington 99338, United States
| | - Jonas Warneke
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, 04103 Leipzig, Germany.,Leibniz Institute of Surface Engineering (IOM), Sensoric Surfaces and Functional Interfaces, Permoserstr. 15, D-04318 Leipzig, Germany
| | - Julia Laskin
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
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7
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Xu F, Wang W, Jin L, Qian B, Ding CF. Measurement of the effective electric field radius on digital ion trap spectrometer. Analyst 2021; 146:3810-3817. [PMID: 33977965 DOI: 10.1039/d1an00468a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The effective electric field radius is a fundamental parameter of ion traps, and it has a significant influence on ion-trapping capability, signal intensity, mass range and some other properties of the ion trap. For a quadrupole ion trap built with ideal hyperbolic electrodes, its effective electric field radius can be obtained by its geometrical size, while it is very difficult to obtain the effective electric field radius for a non-hyperbolic ion trap. In this study, the effective electric field radius of a linear ion trap and some ceramic rectilinear ion traps (cRITs) were investigated via the digital ion trap technology. The dipole frequency of supplementary AC for excitation was locked at a certain value of the main RF trapping wave, and the characteristic q values for excitation could be determined accordingly. The q values could be further used to calculate the effective electric field radius through theoretical calculations. A linear equation had been fitted between the q values for excitation and the square of period T2 through experiments subsequently. The relative deviation between the measured electric field radius and the simulative electric field radius is less than 2%. The simulation results and experimental validation show that the approach has predictive power for modeling and measuring the effective field radius of non-hyperbolic ion traps. It is certainly significant for further understanding the performances of non-hyperbolic quadrupole systems.
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Affiliation(s)
- Fuxing Xu
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Materials Science & Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China.
| | - Weimin Wang
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Materials Science & Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China.
| | - Liuyu Jin
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Materials Science & Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China.
| | - Bingjun Qian
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Materials Science & Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China.
| | - Chuan-Fan Ding
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Materials Science & Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China.
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8
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Nayek S, Aguilar R, Juel LA, Verbeck GF. Metallic nanoparticle production and exposure/deposition system for toxicological research applications using zebrafish. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2020; 91:094101. [PMID: 33003788 DOI: 10.1063/5.0013428] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 08/13/2020] [Indexed: 06/11/2023]
Abstract
Metallic nanoparticles (NPs) have been accepted for various applications ranging from cosmetics to medicine. However, no method has been established in the scientific community that is capable of analyzing various metals, sizes, and levels of exposures without the concern of background chemical contaminations. We present here a system utilizing soft-landing ion mobility (SLIM) exposures of laser ablated metallic clusters capable of operating pressures of reduced vacuum (1 Torr) up to ambient (760 Torr) in the presence of a buffer gas. Clusters experience kinetic energies of less than 1 eV upon exiting the SLIM, allowing for the exposure of NPs to take place in a passive manner. While there is no mass-selection of cluster sizes in this work, it does show for the first time the creation and soft-landing of nanoclusters at ambient pressures. Factors such as area coverage and percentage distribution were studied, as well as the different effects that varying surfaces may cause in the agglomeration of the clusters. Furthermore, the system was successfully used to study the effects of silver nanoparticle exposure and determine the specific organs the NPs accumulate in using zebrafish (Danio rerio) as a model organism. This method provides a novel way to synthesize NPs and expose biological organisms for various toxicological analysis.
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Affiliation(s)
- Subhayu Nayek
- Department of Biological Sciences, University of North Texas, Denton, Texas 76201, USA
| | - Roberto Aguilar
- Department of Chemistry, University of North Texas, Denton, Texas 76201, USA
| | - Lauren A Juel
- Department of Chemistry, University of North Texas, Denton, Texas 76201, USA
| | - Guido F Verbeck
- Department of Biological Sciences, University of North Texas, Denton, Texas 76201, USA
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9
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Su P, Hu H, Unsihuay D, Zhang D, Dainese T, Diaz RE, Lee J, Gunaratne DK, Wang H, Maran F, Mei J, Laskin J. Preparative Mass Spectrometry Using a Rotating‐Wall Mass Analyzer. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Pei Su
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Hang Hu
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Daisy Unsihuay
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Di Zhang
- School of Materials Engineering Purdue University 701 W. Stadium Avenue West Lafayette IN 47907 USA
| | - Tiziano Dainese
- Department of Chemistry University of Padova 1, Via Marzolo Padova 35131 Italy
| | - Rosa E. Diaz
- Birck Nanotechnology Center, Discovery Park Purdue University 1205 W. State St. West Lafayette IN 47907 USA
| | - Jongsu Lee
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Don K. Gunaratne
- Physical Science Division Pacific Northwest National Laboratory P.O. Box 999, MSIN K8-88 Richland WA 99352 USA
| | - Haiyan Wang
- School of Materials Engineering Purdue University 701 W. Stadium Avenue West Lafayette IN 47907 USA
- School of Electrical and Computer Engineering Purdue University 465 Northwestern Avenue West Lafayette IN 47907 USA
| | - Flavio Maran
- Department of Chemistry University of Padova 1, Via Marzolo Padova 35131 Italy
| | - Jianguo Mei
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Julia Laskin
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
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10
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Su P, Hu H, Unsihuay D, Zhang D, Dainese T, Diaz RE, Lee J, Gunaratne DK, Wang H, Maran F, Mei J, Laskin J. Preparative Mass Spectrometry Using a Rotating‐Wall Mass Analyzer. Angew Chem Int Ed Engl 2020; 59:7711-7716. [PMID: 32109333 DOI: 10.1002/anie.202000065] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 02/18/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Pei Su
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Hang Hu
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Daisy Unsihuay
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Di Zhang
- School of Materials Engineering Purdue University 701 W. Stadium Avenue West Lafayette IN 47907 USA
| | - Tiziano Dainese
- Department of Chemistry University of Padova 1, Via Marzolo Padova 35131 Italy
| | - Rosa E. Diaz
- Birck Nanotechnology Center, Discovery Park Purdue University 1205 W. State St. West Lafayette IN 47907 USA
| | - Jongsu Lee
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Don K. Gunaratne
- Physical Science Division Pacific Northwest National Laboratory P.O. Box 999, MSIN K8-88 Richland WA 99352 USA
| | - Haiyan Wang
- School of Materials Engineering Purdue University 701 W. Stadium Avenue West Lafayette IN 47907 USA
- School of Electrical and Computer Engineering Purdue University 465 Northwestern Avenue West Lafayette IN 47907 USA
| | - Flavio Maran
- Department of Chemistry University of Padova 1, Via Marzolo Padova 35131 Italy
| | - Jianguo Mei
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Julia Laskin
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
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11
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Su P, Hu H, Warneke J, Belov ME, Anderson GA, Laskin J. Design and Performance of a Dual-Polarity Instrument for Ion Soft Landing. Anal Chem 2019; 91:5904-5912. [PMID: 30999743 DOI: 10.1021/acs.analchem.9b00309] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Pei Su
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Hang Hu
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Jonas Warneke
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnestr. 2, 04103 Leipzig, Germany
| | | | - Gordon A. Anderson
- GAA Custom Engineering, LLC, POB 335, Benton City, Washington 99320, United States
| | - Julia Laskin
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
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12
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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. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 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] [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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Johnson GE, Gunaratne D, Laskin J. Soft- and reactive landing of ions onto surfaces: Concepts and applications. MASS SPECTROMETRY REVIEWS 2016; 35:439-479. [PMID: 25880894 DOI: 10.1002/mas.21451] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Accepted: 10/31/2014] [Indexed: 06/04/2023]
Abstract
Soft- and reactive landing of mass-selected ions is gaining attention as a promising approach for the precisely-controlled preparation of materials on surfaces that are not amenable to deposition using conventional methods. A broad range of ionization sources and mass filters are available that make ion soft-landing a versatile tool for surface modification using beams of hyperthermal (<100 eV) ions. The ability to select the mass-to-charge ratio of the ion, its kinetic energy and charge state, along with precise control of the size, shape, and position of the ion beam on the deposition target distinguishes ion soft landing from other surface modification techniques. Soft- and reactive landing have been used to prepare interfaces for practical applications as well as precisely-defined model surfaces for fundamental investigations in chemistry, physics, and materials science. For instance, soft- and reactive landing have been applied to study the surface chemistry of ions isolated in the gas-phase, prepare arrays of proteins for high-throughput biological screening, produce novel carbon-based and polymer materials, enrich the secondary structure of peptides and the chirality of organic molecules, immobilize electrochemically-active proteins and organometallics on electrodes, create thin films of complex molecules, and immobilize catalytically active organometallics as well as ligated metal clusters. In addition, soft landing has enabled investigation of the size-dependent behavior of bare metal clusters in the critical subnanometer size regime where chemical and physical properties do not scale predictably with size. The morphology, aggregation, and immobilization of larger bare metal nanoparticles, which are directly relevant to the design of catalysts as well as improved memory and electronic devices, have also been studied using ion soft landing. This review article begins in section 1 with a brief introduction to the existing applications of ion soft- and reactive landing. Section 2 provides an overview of the ionization sources and mass filters that have been used to date for soft landing of mass-selected ions. A discussion of the competing processes that occur during ion deposition as well as the types of ions and surfaces that have been investigated follows in section 3. Section 4 discusses the physical phenomena that occur during and after ion soft landing, including retention and reduction of ionic charge along with factors that impact the efficiency of ion deposition. The influence of soft landing on the secondary structure and biological activity of complex ions is addressed in section 5. Lastly, an overview of the structure and mobility as well as the catalytic, optical, magnetic, and redox properties of bare ionic clusters and nanoparticles deposited onto surfaces is presented in section 6.
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Affiliation(s)
- Grant E Johnson
- Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, MSIN K8-88, Richland, WA, 99352
| | - Don Gunaratne
- Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, MSIN K8-88, Richland, WA, 99352
| | - Julia Laskin
- Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, MSIN K8-88, Richland, WA, 99352
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15
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Wleklinski M, Sarkar D, Hollerbach A, Pradeep T, Cooks RG. Ambient preparation and reactions of gas phase silver cluster cations and anions. Phys Chem Chem Phys 2015; 17:18364-73. [DOI: 10.1039/c5cp01538c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The production and reactivity of silver cluster cations and anions at atmospheric pressure is demonstrated.
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Affiliation(s)
- Michael Wleklinski
- Department of Chemistry and Center for Analytical Instrumentation Development
- Purdue University
- West Lafayette
- USA
| | - Depanjan Sarkar
- DST Unit of Nanoscience (DST UNS) and Thematic Unit of Excellence (TUE)
- Department of Chemistry
- Indian Institute of Technology Madras
- Chennai 600 036
- India
| | - Adam Hollerbach
- Department of Chemistry and Center for Analytical Instrumentation Development
- Purdue University
- West Lafayette
- USA
| | - Thalappil Pradeep
- DST Unit of Nanoscience (DST UNS) and Thematic Unit of Excellence (TUE)
- Department of Chemistry
- Indian Institute of Technology Madras
- Chennai 600 036
- India
| | - R. Graham Cooks
- Department of Chemistry and Center for Analytical Instrumentation Development
- Purdue University
- West Lafayette
- USA
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16
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Li L, Li H, Zeng XC. Structure transition of Au18 from pyramidal to a hollow-cage during soft-landing onto a TiO2(110) surface. Chem Commun (Camb) 2015; 51:9535-8. [DOI: 10.1039/c5cc01316j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Simulation of the soft-landing process of pyramidal Au18 onto a rutile TiO2(110) surface using large-scale BOMD simulation.
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Affiliation(s)
- Lei Li
- Department of Chemistry
- University of Nebraska-Lincoln
- Lincoln
- USA
| | - Hui Li
- Institute of Physics
- Chinese Academy of Sciences
- Beijing
- China
| | - Xiao Cheng Zeng
- Department of Chemistry
- University of Nebraska-Lincoln
- Lincoln
- USA
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17
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Mikhailov VA, Mize TH, Benesch JLP, Robinson CV. Mass-selective soft-landing of protein assemblies with controlled landing energies. Anal Chem 2014; 86:8321-8. [PMID: 25026391 DOI: 10.1021/ac5018327] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Selection and soft-landing of bionanoparticles in vacuum is potentially a preparative approach to separate heterogeneous mixtures for high-resolution structural study or to deposit homogeneous materials for nanotechnological applications. Soft-landing of intact protein assemblies however remains challenging, due to the difficulties of manipulating these heavy species in mass-selective devices and retaining their structure during the experiment. We have developed a tandem mass spectrometer with the capability for controlled ion soft-landing and ex situ visualization of the soft-landed particles by means of transmission electron microscopy. The deposition conditions can be controlled by adjusting the kinetic energies of the ions by applying accelerating or decelerating voltages to a set of ion-steering optics. To validate this approach, we have examined two cage-like protein complexes, GroEL and ferritin, and studied the effect of soft-landing conditions on the method's throughput and the preservation of protein structure. Separation, based on mass-to-charge ratio, of holo- and apo-ferritin complexes after electrospray ionization enabled us to soft-land independently the separated complexes on a grid suitable for downstream transmission electron microscopy analysis. Following negative staining, images of the soft-landed complexes reveal that their structural integrity is largely conserved, with the characteristic central cavity of apoferritin, and iron core of holoferritin, surviving the phase transition from liquid to gas, soft-landing, and dehydration in vacuum.
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Affiliation(s)
- Victor A Mikhailov
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory, University of Oxford , Oxford, OX1 3QZ, United Kingdom
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18
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Walton BL, Verbeck GF. Soft-Landing Ion Mobility of Silver Clusters for Small-Molecule Matrix-Assisted Laser Desorption Ionization Mass Spectrometry and Imaging of Latent Fingerprints. Anal Chem 2014; 86:8114-20. [DOI: 10.1021/ac5010822] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Barbara L. Walton
- Department
of Chemistry, University of North Texas, Denton, Texas 76201, United States
| | - Guido F. Verbeck
- Department
of Chemistry, University of North Texas, Denton, Texas 76201, United States
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19
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Johnson GE, Gunaratne KDD, Laskin J. In situ SIMS and IR spectroscopy of well-defined surfaces prepared by soft landing of mass-selected ions. J Vis Exp 2014:51344. [PMID: 24961913 PMCID: PMC4195338 DOI: 10.3791/51344] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Soft landing of mass-selected ions onto surfaces is a powerful approach for the highly-controlled preparation of materials that are inaccessible using conventional synthesis techniques. Coupling soft landing with in situ characterization using secondary ion mass spectrometry (SIMS) and infrared reflection absorption spectroscopy (IRRAS) enables analysis of well-defined surfaces under clean vacuum conditions. The capabilities of three soft-landing instruments constructed in our laboratory are illustrated for the representative system of surface-bound organometallics prepared by soft landing of mass-selected ruthenium tris(bipyridine) dications, [Ru(bpy)3](2+) (bpy = bipyridine), onto carboxylic acid terminated self-assembled monolayer surfaces on gold (COOH-SAMs). In situ time-of-flight (TOF)-SIMS provides insight into the reactivity of the soft-landed ions. In addition, the kinetics of charge reduction, neutralization and desorption occurring on the COOH-SAM both during and after ion soft landing are studied using in situ Fourier transform ion cyclotron resonance (FT-ICR)-SIMS measurements. In situ IRRAS experiments provide insight into how the structure of organic ligands surrounding metal centers is perturbed through immobilization of organometallic ions on COOH-SAM surfaces by soft landing. Collectively, the three instruments provide complementary information about the chemical composition, reactivity and structure of well-defined species supported on surfaces.
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Affiliation(s)
- Grant E Johnson
- Physical Sciences Division, Pacific Northwest National Laboratory
| | | | - Julia Laskin
- Physical Sciences Division, Pacific Northwest National Laboratory;
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20
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Jarmusch AK, Cooks RG. Emerging capabilities of mass spectrometry for natural products. Nat Prod Rep 2014; 31:730-8. [PMID: 24700087 DOI: 10.1039/c3np70121b] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Covering up to the end of 2013 A brief history of mass spectrometry in natural products research serves to identify themes which have driven progress in this area of application and in mass spectrometry itself. This account covers six decades of ionization methods, starting with traditional electron ionization and progressing through today's ambient ionization methods. Corresponding developments in mass analyzers are indicated, ranging from sector magnetic fields, through hybrid quadrupole mass filters to miniature ion traps. Current capabilities of mass spectrometry in natural products studies include direct in situ analysis, mass spectrometry imaging, and the study of biosynthetic pathways using metabolomic information. The survey concludes with a discussion of new experiments and capabilities including ion soft landing, preparative mass spectrometry, and accelerated ionic reactions in confined volumes.
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Affiliation(s)
- Alan K Jarmusch
- Purdue University, Department of Chemistry, 560 Oval Drive, West Lafayette, IN, USA.
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21
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Bag S, Bhuin RG, Methikkalam RRJ, Pradeep T, Kephart L, Walker J, Kuchta K, Martin D, Wei J. Development of ultralow energy (1-10 eV) ion scattering spectrometry coupled with reflection absorption infrared spectroscopy and temperature programmed desorption for the investigation of molecular solids. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2014; 85:014103. [PMID: 24517785 DOI: 10.1063/1.4848895] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Extremely surface specific information, limited to the first atomic layer of molecular surfaces, is essential to understand the chemistry and physics in upper atmospheric and interstellar environments. Ultra low energy ion scattering in the 1-10 eV window with mass selected ions can reveal extremely surface specific information which when coupled with reflection absorption infrared (RAIR) and temperature programmed desorption (TPD) spectroscopies, diverse chemical and physical properties of molecular species at surfaces could be derived. These experiments have to be performed at cryogenic temperatures and at ultra high vacuum conditions without the possibility of collisions of neutrals and background deposition in view of the poor ion intensities and consequent need for longer exposure times. Here we combine a highly optimized low energy ion optical system designed for such studies coupled with RAIR and TPD and its initial characterization. Despite the ultralow collision energies and long ion path lengths employed, the ion intensities at 1 eV have been significant to collect a scattered ion spectrum of 1000 counts/s for mass selected CH2(+).
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Affiliation(s)
- Soumabha Bag
- DST Unit of Nanoscience (DST UNS), Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Radha Gobinda Bhuin
- DST Unit of Nanoscience (DST UNS), Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Rabin Rajan J Methikkalam
- DST Unit of Nanoscience (DST UNS), Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - T Pradeep
- DST Unit of Nanoscience (DST UNS), Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Luke Kephart
- Extrel CMS, LLC, 575 Epsilon Drive, Pittsburgh, Pennsylvania 15238, USA
| | - Jeff Walker
- Extrel CMS, LLC, 575 Epsilon Drive, Pittsburgh, Pennsylvania 15238, USA
| | - Kevin Kuchta
- Extrel CMS, LLC, 575 Epsilon Drive, Pittsburgh, Pennsylvania 15238, USA
| | - Dave Martin
- Extrel CMS, LLC, 575 Epsilon Drive, Pittsburgh, Pennsylvania 15238, USA
| | - Jian Wei
- Extrel CMS, LLC, 575 Epsilon Drive, Pittsburgh, Pennsylvania 15238, USA
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Bodin A, Laloo R, Abeilhou P, Guiraud L, Gauthier S, Martrou D. An energy-filtering device coupled to a quadrupole mass spectrometer for soft-landing molecular ions on surfaces with controlled energy. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2013; 84:095104. [PMID: 24089863 DOI: 10.1063/1.4818961] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
We have developed an energy-filtering device coupled to a quadrupole mass spectrometer to deposit ionized molecules on surfaces with controlled energy in ultra high vacuum environment. Extensive numerical simulations as well as direct measurements show that the ion beam flying out of a quadrupole exhibits a high-energy tail decreasing slowly up to several hundred eV. This energy distribution renders impossible any direct soft-landing deposition of molecular ions. To remove this high-energy tail by energy filtering, a 127° electrostatic sector and a specific triplet lenses were designed and added after the last quadrupole of a triple quadrupole mass spectrometer. The results obtained with this energy-filtering device show clearly the elimination of the high-energy tail. The ion beam that impinges on the sample surface satisfies now the soft-landing criterion for molecular ions, opening new research opportunities in the numerous scientific domains involving charges adsorbed on insulating surfaces.
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Affiliation(s)
- A Bodin
- Nanosciences Group, CEMES, CNRS UPR 8011 and University Toulouse III - Paul Sabatier, 29 rue Jeanne Marvig, BP94347, F-31055 Toulouse Cedex 4, France
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23
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Krásný L, Pompach P, Strohalm M, Obsilova V, Strnadová M, Novák P, Volný M. In-situ enrichment of phosphopeptides on MALDI plates modified by ambient ion landing. JOURNAL OF MASS SPECTROMETRY : JMS 2012; 47:1294-302. [PMID: 23019160 DOI: 10.1002/jms.3081] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
We report substantial in-situ enrichment of phosphopeptides in peptide mixtures using titanium and zirconium dioxide-coated matrix assisted laser desorption-ionization (MALDI) plates prepared by recently reported ambient ion landing deposition technique. The technique was able to modify four common materials currently used for MALDI targets (stainless steel, aluminum, indium-tin oxide glass and polymeric anchor chip). The structure of the deposited dioxide was investigated by electron microscopy, and different surfaces were compared and discussed in this study. Two standard proteins were used to test the enrichment capabilities of modified MALDI plates: casein and in-vitro phosphorylated trehalase. The enrichment of casein tryptic digest resulted in identification of 20 phosphopeptides (including miscleavages). Trehalase was used as a suitable model of larger protein that provided more complex peptide mixture after the trypsin digestion. All four possible phosphorylation sites in trehalase were identified and up to seven phosphopetides were found (including methionine oxidations and miscleavages). Two different mass spectrometers, MALDI-Fourier transform ion cyclotron resonance (FTICR) and MALDI-time of flight, were used to detect the phosphopeptides from modified MALDI plates after the enrichment procedure. It was observed that the desorption-ionization phenomena on the modified surfaces are not critically influenced by the parameters of the different MALDI ion sources (e.g. different pressure, different extraction voltages), and thus the presence of dioxide layer on the standard MALDI plate does not significantly interfere with the main MALDI processes. The detection of phosphopeptides after the enrichment could be done by both instruments. Desorption electrospray ionization coupled to the FTICR was also tested, but, unlike MALDI, it did not provide satisfactory results.
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Affiliation(s)
- Lukáš Krásný
- Institute of Microbiology of the ASCR, vvi, Prague, Czech Republic
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24
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Cyriac J, Pradeep T, Kang H, Souda R, Cooks RG. Low-Energy Ionic Collisions at Molecular Solids. Chem Rev 2012; 112:5356-411. [DOI: 10.1021/cr200384k] [Citation(s) in RCA: 88] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Jobin Cyriac
- DST Unit of
Nanoscience, Department
of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, India
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United
States
| | - T. Pradeep
- DST Unit of
Nanoscience, Department
of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, India
| | - H. Kang
- Department of Chemistry, Seoul National University, Gwanak-gu, Seoul 151-747,
Republic of Korea
| | - R. Souda
- International
Center for Materials
Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - R. G. Cooks
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United
States
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25
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Benner WH, Lewis GS, Hering SV, Selgelke B, Corzett M, Evans JE, Lightstone FC. Re-electrospraying splash-landed proteins and nanoparticles. Anal Chem 2012; 84:2498-504. [PMID: 22283555 DOI: 10.1021/ac203298w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
FITC-albumin, Lsr-F, or fluorescent polystyrene latex particles were electrosprayed from aqueous buffer and subjected to dispersion by differential electrical mobility at atmospheric pressure. A resulting narrow size cut of singly charged molecular ions or particles was passed through a condensation growth tube collector to create a flow stream of small water droplets, each carrying a single ion or particle. The droplets were splash landed (impacted) onto a solid or liquid temperature controlled surface. Small pools of droplets containing size-selected particles, FITC-albumin, or Lsr-F were recovered, re-electrosprayed, and, when analyzed a second time by differential electrical mobility, showed increased homogeneity. Transmission electron microscopy (TEM) analysis of the size-selected Lsr-F sample corroborated the mobility observation.
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Affiliation(s)
- W Henry Benner
- Physics and Life Sciences, Biology and Biotechnology Division, Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA.
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26
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Cyriac J, Wleklinski M, Li G, Gao L, Cooks RG. In situ Raman spectroscopy of surfaces modified by ion soft landing. Analyst 2012; 137:1363-9. [DOI: 10.1039/c2an16163j] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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28
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Cyriac J, Li G, Cooks RG. Vibrational Spectroscopy and Mass Spectrometry for Characterization of Soft Landed Polyatomic Molecules. Anal Chem 2011; 83:5114-21. [PMID: 21634371 DOI: 10.1021/ac200118f] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Jobin Cyriac
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Guangtao Li
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - R. Graham Cooks
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
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29
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Zhou X, Xiong C, Xu G, Liu H, Tang Y, Zhu Z, Chen R, Qiao H, Tseng YH, Peng WP, Nie Z, Chen Y. Potential distribution and transmission characteristics in a curved quadrupole ion guide. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2011; 22:386-398. [PMID: 21472598 DOI: 10.1007/s13361-010-0045-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2010] [Revised: 11/14/2010] [Accepted: 12/09/2010] [Indexed: 05/30/2023]
Abstract
The potential distribution in the curved quadrupole is exactly characterized by the Laplace equation, and an approximate solution to the Laplace equation is calculated. We represent the Laplace equation under the coordinates named minimal rotation frame (MRF) and derive an expression on the hexapole and octopole superposition. Our conclusion is in agreement with the results by the numerical (SIMION) method. Based on the Poincare-Lighthill-Kuo (PLK) method reported in our previous work, the nonlinear effects of ion motion are investigated in detail. The frequency shift of ion motion can be well eliminated by coupling the hexapole component with a positive octopole component, and the transmission efficiency of ions is found to decrease dramatically with the increase of the ionic kinetic energy in the z-direction. Furthermore, the transmission characteristics of ions are discussed with regards to the phase-space theory. The results show that the centrifugally introduced axis shift is mainly responsible for the ion losses. A modified direct current (dc) voltage supply pattern is hence proposed to compensate for this effect.
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Affiliation(s)
- Xiaoyu Zhou
- Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry Chinese Academy of Sciences, Beijing, China
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Johnson GE, Hu Q, Laskin J. Soft landing of complex molecules on surfaces. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2011; 4:83-104. [PMID: 21370985 DOI: 10.1146/annurev-anchem-061010-114028] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Soft and reactive landing of mass-selected ions onto surfaces has become a topic of substantial interest due to its promising potential for the highly controlled preparation of materials. For example, there are possible applications in the production of peptide and protein microarrays for use in high-throughput screening, protein separation and conformational enrichment of peptides, redox protein characterization, thin-film production, and the preparation of catalysts through deposition of clusters and organometallic complexes. Soft landing overcomes many of the limitations associated with conventional thin-film production techniques and offers unprecedented selectivity and specificity of preparation of deposited species. This review discusses the fundamental aspects of soft and reactive landing of mass-selected ions on surfaces that pertain to applications of these techniques in biomaterials, molecular electronics, catalysis, and interfacial chemistry.
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Affiliation(s)
- Grant E Johnson
- Fundamental Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, USA.
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31
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Johnson GE, Laskin J. Preparation of Surface Organometallic Catalysts by Gas-Phase Ligand Stripping and Reactive Landing of Mass-Selected Ions. Chemistry 2010; 16:14433-8. [DOI: 10.1002/chem.201002292] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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32
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Johnson GE, Lysonski M, Laskin J. In Situ Reactivity and TOF-SIMS Analysis of Surfaces Prepared by Soft and Reactive Landing of Mass-Selected Ions. Anal Chem 2010; 82:5718-27. [DOI: 10.1021/ac100734g] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Grant E. Johnson
- Chemical and Materials Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, MSIN K8-88, Richland, Washington 99352
| | - Michael Lysonski
- Chemical and Materials Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, MSIN K8-88, Richland, Washington 99352
| | - Julia Laskin
- Chemical and Materials Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, MSIN K8-88, Richland, Washington 99352
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Davila SJ, Birdwell DO, Verbeck GF. Drift tube soft-landing for the production and characterization of materials: applied to Cu clusters. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2010; 81:034104. [PMID: 20370199 DOI: 10.1063/1.3361041] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
We have recently developed a soft-landing (SL) instrument that is capable of depositing ions onto substrates for preparative and developmental research of new materials using a laser ablation source. This instrument was designed with a custom drift tube and a split-ring ion optic for the isolation of selected ions. The drift tube allows for the separation and thermalization of ions formed after laser ablation through collisions with an inert bath gas. These collisions allow the ions to be landed at energies below 1 eV onto substrates. The split-ring ion optic is capable of directing ions toward the detector or a landing substrate for selected components. Experiments will be shown ablating Cu using an Nd:YAG (1064 and 532 nm) for cluster formation and landing onto a muscovite (mica) surface. The laser ablation of Cu in 8 Torr of He gas gives a spectrum that contains multiple peaks corresponding to Cu(n), Cu(n)O(m) clusters, and their corresponding isomers. Atomic force microscopy and drift tube measurements were performed to characterize the performance characteristics of the instrument.
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Affiliation(s)
- Stephen J Davila
- Department of Chemistry, University of North Texas, Denton, Texas 76201, USA
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34
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Li G, Cyriac J, Gao L, Graham Cooks R. Molecular ion yield enhancement in static secondary ion mass spectrometry by soft landing of protonated water clusters. SURF INTERFACE ANAL 2010. [DOI: 10.1002/sia.3161] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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35
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Albrieux F, Antoine R, Chirot F, Lemoine J, Dugourd P. Ion trajectory simulations in a high-pressure cylindrical ion trap. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2010; 16:557-565. [PMID: 20814083 DOI: 10.1255/ejms.1098] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
We present the simulation of a cylindrical ion trap (CIT) at high pressure (5-25 Torr range). SIMION 7.0 software was used for the simulations. The effect of pressure, RF frequency and trap dimensions has been investigated. The shape of stability diagrams at non-zero pressure is drastically different from the one observed in vacuum. Preliminary experimental results are shown, using a r = z = 3 mm-long CIT at 12 Torr for trapping peptide and protein ions.
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Affiliation(s)
- F Albrieux
- UMR5579, LASIM, CNRS, Université Lyon 1, Villeurbanne, F-69622 Lyon, France
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Nie Z, Li G, Goodwin MP, Gao L, Cyriac J, Cooks RG. In situ SIMS analysis and reactions of surfaces prepared by soft landing of mass-selected cations and anions using an ion trap mass spectrometer. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2009; 20:949-956. [PMID: 19318277 DOI: 10.1016/j.jasms.2009.02.019] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2008] [Revised: 02/10/2009] [Accepted: 02/11/2009] [Indexed: 05/27/2023]
Abstract
Mass-selected polyatomic cations and anions, produced by electrosonic spray ionization (ESSI), were deposited onto polycrystalline Au or fluorinated self-assembled monolayer (FSAM) surfaces by soft landing (SL), using a rectilinear ion trap (RIT) mass spectrometer. Protonated and deprotonated molecules, as well as intact cations and anions generated from such molecules as peptides, inorganic catalysts, and fluorescent dyes, were soft-landed onto the surfaces. Analysis of the modified surfaces was performed in situ by Cs(+) secondary ion mass spectrometry (SIMS) using the same RIT mass analyzer to characterize the sputtered ions as that used to mass select the primary ions for SL. Soft-landing times as short as 30 s provided surfaces that yielded good quality SIMS spectra. Chemical reactions of the surfaces modified by SL were generated in an attached reaction chamber into which the surface was transferred under vacuum. For example, a surface on which protonated triethanolamine had been soft landed was silylated using vapor-phase chlorotrimethylsilane before being returned still under vacuum to the preparation chamber where SIMS analysis revealed the silyloxy functionalization. SL and vapor-phase reactions are complementary methods of surface modification and in situ surface analysis by SIMS is a simple way to characterize the products produced by either technique.
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Affiliation(s)
- Zongxiu Nie
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907-1393, USA
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