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Gladchuk AS, Gorbunov AY, Keltsieva OA, Ilyushonok SK, Babakov VN, Shilovskikh VV, Kolonitskii PD, Stepashkin NA, Soboleva A, Muradymov MZ, Krasnov NV, Sukhodolov NG, Selyutin AA, Frolov A, Podolskaya EP. Coating of a MALDI target with metal oxide nanoparticles by droplet-free electrospraying – a versatile tool for in situ enrichment of human globin adducts of halogen-containing drug metabolites. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
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Mandal G, Moráň L, Pečinka L, Vaňhara P, Havel J. Matrix enrichment by black phosphorus improves ionization and reproducibility of mass spectrometry of intact cells, peptides, and amino acids. Sci Rep 2022; 12:1175. [PMID: 35064192 PMCID: PMC8782824 DOI: 10.1038/s41598-022-05197-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 12/24/2021] [Indexed: 11/19/2022] Open
Abstract
Intact (whole) cell matrix-assisted laser desorption/ionization mass spectrometry (MALDI-TOF MS) is an established method for biotyping in clinical microbiology as well as for revealing phenotypic shifts in cultured eukaryotic cells. Intact cell MALDI-TOF MS has recently been introduced as a quality control tool for long-term cultures of pluripotent stem cells. Despite the potential this method holds for revealing minute changes in cells, there is still a need for improving the ionization efficiency or peak reproducibility. Here we report for the first time that supplementation by fine particles of black phosphorus to the standard MALDI matrices, such as sinapinic and α-cyano-4-hydroxycinnamic acids enhance intensities of mass spectra of particular amino acids and peptides, presumably by interactions with aromatic groups within the molecules. In addition, the particles of black phosphorus induce the formation of small and regularly dispersed crystals of sinapinic acid and α-cyano-4-hydroxycinnamic acid with the analyte on a steel MALDI target plate. Patterns of mass spectra recorded from intact cells using black phosphorus-enriched matrix were more reproducible and contained peaks of higher intensities when compared to matrix without black phosphorus supplementation. In summary, enrichment of common organic matrices by black phosphorus can improve discrimination data analysis by enhancing peak intensity and reproducibility of mass spectra acquired from intact cells.
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Jabeen F, Sajid MS, Fatima B, Saeed A, Ashiq MN, Najam-Ul-Haq M. Graphene oxide-metal oxide nanocomposites for on-target enrichment and analysis of phosphorylated biomolecules. J Sep Sci 2021; 44:3137-3145. [PMID: 34165915 DOI: 10.1002/jssc.202001276] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 06/16/2021] [Accepted: 06/17/2021] [Indexed: 01/21/2023]
Abstract
The surface of matrix-assisted laser desorption/ionization mass spectrometry target is modified for improved signal strength and detection of analytes. The developed method includes on-target enrichment and detection of phosphopeptides/phospholipids using graphene oxide-lanthanide metal oxides (samarium, gadolinium, dysprosium, and erbium) nanocomposites. Enriched phosphopeptides are detected using material enhanced laser desorption/ionization mass spectrometry and phospholipids by laser desorption/ionization-mass spectrometry. Nanocomposites are prepared using graphene oxide with respective metal salts at high pH. They are characterized for nano-morphology, chemistry, porosity, composition, crystallinity, and thermal stability. Phosphopeptides enrichment protocol is developed and optimized for tryptic β-casein digest and that of phospholipids by phosphatidylcholine standard. Statistical analyses of phosphopeptides and phospholipids from milk show overlapping results for gadolinium, dysprosium, and erbium oxide nanocomposites. GO-Gd2 O3 has better enrichment efficiency and application as LDI material. Selectivity for GO-Dy2 O3 is 1:2500, for GO-Sm2 O3 is 1:3500, and 1:4000 for GO-Gd2 O3 . GO-Er2 O3 has a sensitivity of 25 fmol, whereas the highest sensitivity is down to 0.5 fmol for GO-Gd2 O3 . On-target enrichment is batch to batch reproducible with a standard deviation of <1, reduced time of enrichment to 10 min, and ease of operation compared to solid-phase batch extraction. The developed method enriches serum phosphopeptides characteristic of cancer-related phosphoproteins.
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Affiliation(s)
- Fahmida Jabeen
- Division of Analytical Chemistry, Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan.,Department of Chemistry, The Women University, Multan, Pakistan
| | - Muhammad Salman Sajid
- Division of Analytical Chemistry, Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Batool Fatima
- Department of Biochemistry, Bahauddin Zakariya University, Multan, Pakistan
| | - Adeela Saeed
- Department of Chemistry, The Women University, Multan, Pakistan
| | - Muhammad Naeem Ashiq
- Division of Analytical Chemistry, Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Muhammad Najam-Ul-Haq
- Division of Analytical Chemistry, Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
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Zhang P, Fang X, Yan G, Gao M, Zhang X. Highly efficient enrichment of low-abundance intact proteins by core-shell structured Fe3O4-chitosan@graphene composites. Talanta 2017; 174:845-852. [DOI: 10.1016/j.talanta.2017.07.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 06/26/2017] [Accepted: 07/01/2017] [Indexed: 01/07/2023]
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Highly efficient enrichment of phosphopeptides by a magnetic lanthanide metal-organic framework. Talanta 2016; 159:1-6. [DOI: 10.1016/j.talanta.2016.05.075] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 05/26/2016] [Accepted: 05/29/2016] [Indexed: 11/18/2022]
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Zhao M, Deng C. Fluorous modified magnetic mesoporous silica composites-incorporated fluorous solid-phase extraction for the specific enrichment of N-linked glycans with simultaneous exclusion of proteins. Talanta 2016; 159:111-116. [PMID: 27474286 DOI: 10.1016/j.talanta.2016.06.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 06/01/2016] [Accepted: 06/05/2016] [Indexed: 12/31/2022]
Abstract
Taking advantage of fluorine-fluorine interactions, fluorous solid-phase extraction (FSPE) is emerging as a novel approach in proteomics research. Notably, silica gel bound with perfluoroalkyl groups was applied to the FSPE of N-linked glycans. Based on previous studies, mesoporous silica coated magnetic nanoparticles bound with perfluoroalkyl groups were synthesized for the specific enrichment of N-linked glycans in this study. The magnetic nanoparticles-incorporated FSPE strategy successfully identified 22 N-linked glycans from the OVA digest with a concentration of 0.5μg/μL, and achieved a detection limit of 5ng/μL (with 16 N-linked glycans identified). It also showed good day-to-day reproducibility. Its selectivity towards BSA protein is 1:200 (molar ratio), showing excellent size-exclusion effect. In addition, the present method proved to be effective for the analysis of the human serum digest, opening up new prospect for the identification of glycans and proteins with other post-translational modifications in biological environment.
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Affiliation(s)
- Man Zhao
- Department of Chemistry and Institutes of Biomedical Sciences, Collaborative Innovation Center of Genetics and Development, Fudan University, Shanghai 200433, China
| | - Chunhui Deng
- Department of Chemistry and Institutes of Biomedical Sciences, Collaborative Innovation Center of Genetics and Development, Fudan University, Shanghai 200433, China.
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A high-throughput method for measurement of glycohemoglobin in blood samples utilizing laser-accelerated proteolysis and MALDI-TOF MS. Anal Bioanal Chem 2015; 408:1507-13. [DOI: 10.1007/s00216-015-9258-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Revised: 12/02/2015] [Accepted: 12/07/2015] [Indexed: 10/22/2022]
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8
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Cenci L, Anesi A, Busato M, Guella G, Bossi AM. Molecularly imprinted polymers coupled to matrix assisted laser desorption ionization mass spectrometry for femtomoles detection of cardiac troponin I peptides. J Mol Recognit 2015; 29:41-50. [PMID: 26373625 DOI: 10.1002/jmr.2494] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Revised: 07/21/2015] [Accepted: 07/29/2015] [Indexed: 12/20/2022]
Abstract
Molecularly imprinted polymers (MIPs) were combined to MALDI-TOF-MS to evaluate a selective enrichment (SE) method for the determination of clinically relevant biomarkers from complex biological samples. The concept was proven with the myocardial injury marker Troponin I (cTnI). In a first part, MIP materials entailed for the recognition of cTnI epitopes (three peptides selected) were prepared and characterized in dimensions (0.7-2μm), dissociation constants (58-817 nM), kinetics of binding (5-60 min), binding capacity (ca. 1.5 µg/mg polymer), imprinting factors (3 > IF > 5) and selectivity for the peptide epitope. Then, the MIPs, incubated with cTnI peptides and spotted on the target with the DHB matrix, were assayed for the desorption of the peptides in MALDI-TOF-MS. The measured detection limit was ca. 300 femtomols. Finally, the MIP-SE MALDI-TOF-MS was tested for its ability to enrich in the cTnI peptides from a complex sample, mimic of serum (i.e. 81 peptides of digested albumin). The MIP-SE MALDI-TOF-MS successfully enriched in cTnI peptides from the complex sample proving the technique could offer a flexible platform to prepare entailed materials suitable for diagnostic purposes.
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Affiliation(s)
- Lucia Cenci
- University of Verona, Department of Biotechnology, Strada Le Grazie 15, 37134, Verona, Italy
| | - Andrea Anesi
- University of Trento, Department of Physics, Via Sommarive 14, 38123, Trento, Italy
| | - Mirko Busato
- University of Verona, Department of Biotechnology, Strada Le Grazie 15, 37134, Verona, Italy
| | - Graziano Guella
- University of Trento, Department of Physics, Via Sommarive 14, 38123, Trento, Italy
| | - Alessandra Maria Bossi
- University of Verona, Department of Biotechnology, Strada Le Grazie 15, 37134, Verona, Italy
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Eriksson AIK, Edwards K, Agmo Hernández V. Cooperative adsorption behavior of phosphopeptides on TiO2 leads to biased enrichment, detection and quantification. Analyst 2015; 140:303-12. [DOI: 10.1039/c4an01580k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel data show that anomalous adsorption behavior and common washing procedures can lead to biased results in TiO2-based phosphoproteomics.
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Affiliation(s)
| | - K. Edwards
- Department of Chemistry – BMC
- Uppsala University
- Uppsala
- Sweden
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Haller E, Stübiger G, Lafitte D, Lindner W, Lämmerhofer M. Chemical Recognition of Oxidation-Specific Epitopes in Low-Density Lipoproteins by a Nanoparticle Based Concept for Trapping, Enrichment, and Liquid Chromatography–Tandem Mass Spectrometry Analysis of Oxidative Stress Biomarkers. Anal Chem 2014; 86:9954-61. [DOI: 10.1021/ac502855n] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Elisabeth Haller
- Department
of Analytical Chemistry, University of Vienna, Währingerstrasse 38, 1090 Vienna, Austria
| | - Gerald Stübiger
- Center
of Physiology and Pharmacology, Medical University of Vienna, Schwarzspanierstraße 17, 1090 Vienna, Austria
| | - Daniel Lafitte
- Faculté
de Pharmacie de Marseille, Université de Marseille, 27 Boulevard
Jean Moulin, CS 30064−13385 Marseille, Cedex 5 France
| | - Wolfgang Lindner
- Department
of Analytical Chemistry, University of Vienna, Währingerstrasse 38, 1090 Vienna, Austria
| | - Michael Lämmerhofer
- Institute
of Pharmaceutical Sciences, Pharmaceutical (Bio)Analysis, University of Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
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Huang BY, Yang CK, Liu CP, Liu CY. Stationary phases for the enrichment of glycoproteins and glycopeptides. Electrophoresis 2014; 35:2091-107. [PMID: 24729282 DOI: 10.1002/elps.201400034] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2013] [Revised: 03/25/2014] [Accepted: 04/04/2014] [Indexed: 12/20/2022]
Abstract
The analysis of protein glycosylation is important for biomedical and biopharmaceutical research. Recent advances in LC-MS analysis have enabled the identification of glycosylation sites, the characterisation of glycan structures and the identification and quantification of glycoproteins and glycopeptides. However, this type of analysis remains challenging due to the low abundance of glycopeptides in complex protein digests, the microheterogeneity at glycosylation sites, ion suppression effects and the competition for ionisation by co-eluting peptides. Specific sample preparation is necessary for comprehensive and site-specific glycosylation analyses using MS. Therefore, researchers continue to pursue new columns to broaden their applications. The current manuscript covers recent literature published from 2008 to 2013. The stationary phases containing various chemical bonding methods or ligands immobilisation strategies on solid supports that selectively enrich N-linked or sialylated N-glycopeptides are categorised with either physical or chemical modes of binding. These categories include lectin affinity, hydrophilic interactions, boronate affinity, titanium dioxide affinity, hydrazide chemistry and other separation techniques. This review should aid in better understanding the syntheses and physicochemical properties of each type of stationary phases for enriching glycoproteins and glycopeptides.
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Affiliation(s)
- Bao-Yu Huang
- Department of Chemistry, National Taiwan University, Taipei, Taiwan
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Vilasi A, Fiume I, Pace P, Rossi M, Pocsfalvi G. Enrichment specificity of micro and nano-sized titanium and zirconium dioxides particles in phosphopeptide mapping. JOURNAL OF MASS SPECTROMETRY : JMS 2013; 48:1188-1198. [PMID: 24259207 DOI: 10.1002/jms.3254] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Revised: 06/18/2013] [Accepted: 07/11/2013] [Indexed: 06/02/2023]
Abstract
Owning to their anion-exchange properties, titanium and zirconium dioxides are widely used in phosphopeptide enrichment and purification protocols. The physical and chemical characteristics of the particles can significantly influence the loading capacity, the capture efficiency and phosphopeptide specificity and thus the outcome of the analyses. Although there are a number of protocols and commercial kits available for phosphopeptide purification, little data are found in the literature on the choice of the enrichment media. Here, we studied the influence of particle size on the affinity capture of phosphopeptides by TiO2 and ZrO2. Bovine milk casein derived phosphopeptides were enriched by micro and nanoparticles using a single-tube in-solution protocol at different peptide-to-beads ratio ranging from 1 : 1 to 1 : 200. Unsupervised hierarchical cluster analysis based on the whole set of Matrix Assisted Laser Desorption/Ionization time-of-flight mass spectra of the phosphopeptide enriched samples revealed 62 clustered peptide peaks and shows that nanoparticles have considerably higher enrichment capacity than bulk microparticles. Moreover, ZrO2 particles have higher enrichment capacity than TiO2. The selectivity and specificity of the enrichment was studied by monitoring the ion abundances of monophosphorylated, multiphosphorylated and non-phosphorylated casein-derived peptide peaks at different peptide-to-beads ratios. Comparison of the resulting plots enabled the determination of the optimal peptide-to-beads ratios for the different beads studied and showed that nano-TiO2 have higher selectivity for phosphopeptides than nano-ZrO2 particles.
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Affiliation(s)
- Annalisa Vilasi
- Mass Spectrometry and Proteomics, Institute of Protein Biochemistry, National Research Council of Italy, Napoli, Italy
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Zhang X, Zhu S, Xiong Y, Deng C, Zhang X. Development of a MALDI-TOF MS Strategy for the High-Throughput Analysis of Biomarkers: On-Target Aptamer Immobilization and Laser-Accelerated Proteolysis. Angew Chem Int Ed Engl 2013; 52:6055-8. [DOI: 10.1002/anie.201300566] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2013] [Revised: 03/04/2013] [Indexed: 01/18/2023]
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Zhang X, Zhu S, Xiong Y, Deng C, Zhang X. Development of a MALDI-TOF MS Strategy for the High-Throughput Analysis of Biomarkers: On-Target Aptamer Immobilization and Laser-Accelerated Proteolysis. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201300566] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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