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Redding MJ, Grayson SM, Charles L. Mass spectrometry of dendrimers. MASS SPECTROMETRY REVIEWS 2024. [PMID: 38504498 DOI: 10.1002/mas.21876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 11/14/2023] [Accepted: 03/06/2024] [Indexed: 03/21/2024]
Abstract
Mass spectrometry (MS) has become an essential technique to characterize dendrimers as it proved efficient at tackling analytical challenges raised by their peculiar onion-like structure. Owing to their chemical diversity, this review covers benefits of MS methods as a function of dendrimer classes, discussing advantages and limitations of ionization techniques, tandem mass spectrometry (MS/MS) strategies to determine the structure of defective species, as well as most recently demonstrated capabilities of ion mobility spectrometry (IMS) in the field. Complementarily, the well-defined structure of these macromolecules offers major advantages in the development of MS-based method, as reported in a second section reviewing uses of dendrimers as MS and IMS calibration standards and as multifunctional charge inversion reagents in gas phase ion/ion reactions.
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Affiliation(s)
- McKenna J Redding
- Department of Chemistry, Tulane University, New Orleans, Los Angeles, USA
| | - Scott M Grayson
- Department of Chemistry, Tulane University, New Orleans, Los Angeles, USA
| | - Laurence Charles
- Aix Marseille Université, CNRS, Institut de Chimie Radicalaire, Marseille, France
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Wen W, Xiang H, Qiu H, Chen J, Ye X, Wu L, Chen Z, Tong S. Screening and identification of antibacterial components in Artemisia argyi essential oil by TLC-direct bioautography combined with comprehensive 2D GC × GC-TOFMS. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1234:124026. [PMID: 38277723 DOI: 10.1016/j.jchromb.2024.124026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 01/28/2024]
Abstract
One of the primary components that contribute to Artemisia argyi 's effectiveness is essential oil, which has an exceptional antibacterial effect that has been well documented. The actual cause of its antibacterial activity and associated mechanism, however, are still not completely understood. For the first time, comprehensive two-dimensional gas chromatography coupled with time-of-flight mass spectrometry (2D GC × GC-TOFMS) and thin-layer chromatography-direct bioautography (TLC-DB) were employed to investigate its antibacterial components. The antibacterial properties of A. argyi essential oil were investigated, and the antibacterial activity of six compounds was evaluated, using Staphylococcus aureus (S. aureus) and Escherichia coli (E. coil) as test microorganisms. TLC-direct bioautography was used to screen two bioactive clusters. Following 2D GC × GC-TOFMS identification of bioactive clusters, six compounds were evaluated for in vitro antibacterial activity verification. All the components tested displayed antibacterial action. Results showed that α-terpineol and eugenol had high potent antibacterial activity (MIC<0.62 mg/mL, IC50<2.00 mg/mL). For complex essential oils from traditional Chinese medicine, this method is efficient for quick screening and identifying antibacterial compounds.
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Affiliation(s)
- Weiyi Wen
- College of Pharmaceutical Science, Zhejiang University of Technology, Gongda Road 1, Huzhou 313200, China
| | - Haiping Xiang
- College of Pharmaceutical Science, Zhejiang University of Technology, Gongda Road 1, Huzhou 313200, China
| | - Huiyun Qiu
- College of Pharmaceutical Science, Zhejiang University of Technology, Gongda Road 1, Huzhou 313200, China
| | - Jianwei Chen
- College of Pharmaceutical Science, Zhejiang University of Technology, Gongda Road 1, Huzhou 313200, China
| | - Xuemin Ye
- Research Center of Analysis and Measurement, Zhejiang University of Technology, Chaowang Road 18, Hangzhou 310014, China.
| | - Lin Wu
- Zhejiang ChroMass Technology Co., Ltd, 760 Binan Road, Hangzhou 310052, China
| | - Zhiqiang Chen
- Zhejiang ChroMass Technology Co., Ltd, 760 Binan Road, Hangzhou 310052, China.
| | - Shengqiang Tong
- College of Pharmaceutical Science, Zhejiang University of Technology, Gongda Road 1, Huzhou 313200, China.
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Li H, Zhao Y, Yang W, Zhang Z. Characterization of astragaloside I-IV based on the separation of HPTLC from Pleurotus ostreatus cultivated with Astragalus. J Food Sci 2020; 85:3183-3190. [PMID: 32856317 DOI: 10.1111/1750-3841.15398] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 06/08/2020] [Accepted: 07/09/2020] [Indexed: 12/16/2022]
Abstract
In this study, total saponins were extracted from Pleurotus ostreatus cultivated with Astragalus as one of organic culture substrates. High Performance Thin Layer Chromatography (HPTLC) assay showed total saponins could be separated effectively, and four kinds of spots were identified as AG I, AG II, AG III, and AG IV, respectively. FTIR spectra based on HPTLC separation assay showed the saponin characteristic groups including -OH, C-H, C=O, and the glycoside linkaged to sapogenin group C-O-C, suggesting the four kinds of spots belonged to cycloartane-type triterpene saponins. The primary mass spectra of precursor ion (HPTLC-ESI-MS) assay further proved the main composition of four kinds of spots was AG I-IV, respectively. Physical properties, including the detection of specific rotation and melting point, revealed the separation of high-purity saponin monomer by HPTLC. HPTLC-dual wavelength spectrodensitometric method detection showed that content of astragaloside I-IV was ranged from 0.2 to 0.5 mg/g, and the total astragalosides contents attained to 1.397 mg/g, indicating P. ostreatus could bioaccumulate astragalosides from Astragalus. These results demonstrated the characterization of astragalosides based on the separation of HPTLC was effective, and supported to consider astragalosides-enriched P. ostreatus as functional edible fungus for food and medical applications. PRACTICAL APPLICATION: Currently, the consumption of enriched foods has become common and continues to increase due to urgent demanding for foods with high nutritional value. Pleurotus ostreatus is a functional edible fungus, which not only can produce secondary metabolites, but can enrich bioactive ingredients. Astragalosides have a wide range of biological activities, especially currently being tested as cardioprotective agent. In this study, P. ostreatus was cultivated through adding Astragalus into culture substrates, which realized massive enrichment of astragalosides. Astragalosides-enriched P. ostreatus as functional edible fungus could be extensively used in food and medical areas, especially for the prevention of cardiovascular diseases.
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Affiliation(s)
- Huizhen Li
- School of Chemical Engineering and Technology, North University of China, Taiyuan, P. R. China
| | - Yana Zhao
- School of Chemical Engineering and Technology, North University of China, Taiyuan, P. R. China
| | - Weimin Yang
- Provincial and Local Joint Cultivation Base, Shanxi Key Laboratory of Phytochemistry in Lvliang, Shanxi Engineering Research Center of Plant Functional Composition, Department of Life Science, Lvliang College, Lishi, P. R. China
| | - Zhijun Zhang
- School of Chemical Engineering and Technology, North University of China, Taiyuan, P. R. China
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Beaumesnil M, Mendes Siqueira AL, Hubert-Roux M, Loutelier-Bourhis C, Afonso C, Racaud A, Bai Y. High-performance thin-layer chromatography with atmospheric solids analysis probe mass spectrometry for analysis of gasoline polymeric additives. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2020; 34 Suppl 2:e8755. [PMID: 32060954 DOI: 10.1002/rcm.8755] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 02/12/2020] [Accepted: 02/12/2020] [Indexed: 06/10/2023]
Abstract
RATIONALE The offline coupling of high-performance thin-layer chromatography (HPTLC) with atmospheric solids analysis probe mass spectrometry (ASAP-MS) was evaluated for the characterization of polymeric additives in gasoline. METHODS A protocol was developed to optimize the ion signal. A glass capillary was moistened with deionized water, and then dipped into silica gel scratched from an HPTLC plate. The capillary tube was fixed to the ASAP holder and introduced into the ionization source for analysis by MS. Silica gel, reversed-phase C18 and cellulose stationary phases were evaluated. RESULTS The effect of the stationary phase and the nature of analyte were evaluated using polypropylene glycol and polyisobutylene succinimide polyamine as analyte molecules. The optimal ionization conditions are significantly different between ASAP and HPTLC/ASAP-MS analyses. In particular, a higher desorption gas temperature was required to produce ions from the silica gel HPTLC plate. The presence of the stationary phase reduces the internal energy of the ions and limits the fragmentation. CONCLUSIONS HPTLC/ASAP-MS is a very fast and efficient technique for the analysis of polymers in formulated fuels. Good ionization efficiency was obtained with all investigated stationary phases.
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Affiliation(s)
- Mathieu Beaumesnil
- Normandie Univ, COBRA, UMR6014 and FR3038, Université de Rouen, INSA de Rouen, CNRS, IRCOF, 1 rue Tesnière, 76821, Mont-Saint-Aignan Cedex, France
- TOTAL Marketing Services, Research Center, 69360, Solaize, France
| | - Anna Luiza Mendes Siqueira
- Normandie Univ, COBRA, UMR6014 and FR3038, Université de Rouen, INSA de Rouen, CNRS, IRCOF, 1 rue Tesnière, 76821, Mont-Saint-Aignan Cedex, France
- TOTAL Marketing Services, Research Center, 69360, Solaize, France
| | - Marie Hubert-Roux
- Normandie Univ, COBRA, UMR6014 and FR3038, Université de Rouen, INSA de Rouen, CNRS, IRCOF, 1 rue Tesnière, 76821, Mont-Saint-Aignan Cedex, France
| | - Corinne Loutelier-Bourhis
- Normandie Univ, COBRA, UMR6014 and FR3038, Université de Rouen, INSA de Rouen, CNRS, IRCOF, 1 rue Tesnière, 76821, Mont-Saint-Aignan Cedex, France
| | - Carlos Afonso
- Normandie Univ, COBRA, UMR6014 and FR3038, Université de Rouen, INSA de Rouen, CNRS, IRCOF, 1 rue Tesnière, 76821, Mont-Saint-Aignan Cedex, France
| | - Amandine Racaud
- TOTAL Marketing Services, Research Center, 69360, Solaize, France
| | - Yang Bai
- TOTAL Marketing Services, Research Center, 69360, Solaize, France
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Kucherenko E, Kanateva A, Kurganov A, Borisov R, Pirogov A. Monolithic thin‐layer chromatography plates with covalently bonded matrix for hyphenation with matrix‐assisted laser desorption/ionization. J Sep Sci 2018; 41:4387-4393. [DOI: 10.1002/jssc.201800679] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 09/19/2018] [Accepted: 09/19/2018] [Indexed: 12/22/2022]
Affiliation(s)
| | | | | | - Roman Borisov
- Topchiev Institute of petrochemical synthesis Moscow Russia
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Kucherenko E, Kanateva A, Pirogov A, Kurganov A. Recent advances in the preparation of adsorbent layers for thin-layer chromatography combined with matrix-assisted laser desorption/ionization mass-spectrometric detection. J Sep Sci 2018; 42:415-430. [DOI: 10.1002/jssc.201800625] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 08/14/2018] [Accepted: 08/21/2018] [Indexed: 01/09/2023]
Affiliation(s)
| | - Anastasiia Kanateva
- Russian Academy of Sciences; A.V. Topchiev Institute of Petrochemical Synthesis; Moscow Russia
| | - Andrey Pirogov
- Faculty of Chemistry; M.V. Lomonosov Moscow State University; Moscow Russia
| | - Alexander Kurganov
- Russian Academy of Sciences; A.V. Topchiev Institute of Petrochemical Synthesis; Moscow Russia
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Ferey J, Da Silva D, Lafite P, Daniellou R, Maunit B. TLC-UV hyphenated with MALDI-TOFMS for the screening of invertase substrates in plant extracts. Talanta 2017; 170:419-424. [DOI: 10.1016/j.talanta.2017.04.040] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 04/13/2017] [Accepted: 04/16/2017] [Indexed: 10/19/2022]
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TLC surface integrity affects the detection of alkali adduct ions in TLC-MALDI analysis. Anal Bioanal Chem 2017; 409:5661-5666. [PMID: 28730308 DOI: 10.1007/s00216-017-0501-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 06/11/2017] [Accepted: 06/27/2017] [Indexed: 10/19/2022]
Abstract
Direct coupling of thin-layer chromatography (TLC) with matrix-assisted laser desorption ionization (MALDI) mass spectrometry allows fast and detailed characterization of a large variety of analytes. The use of this technique, however, presents great challenges in semiquantitative applications because of the complex phenomena occurring at the TLC surface. In our laboratory, we recently observed that the ion intensities of several alkali adduct ions were significantly different between the top and interior layer of the TLC plate. This indicates that the integrity of the TLC surface can have an important effect on the reproducibility of TLC- MALDI analyses. Graphical Abstract MALDI imaging reveals that surface integrity affects the detection of alkali adductions in TLC-MALDI.
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Laser desorption-ion mobility spectrometry as a useful tool for imaging of thin layer chromatography surface. J Chromatogr A 2016; 1459:145-151. [DOI: 10.1016/j.chroma.2016.06.069] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 06/18/2016] [Accepted: 06/22/2016] [Indexed: 11/23/2022]
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Kroslakova I, Pedrussio S, Wolfram E. Direct Coupling of HPTLC with MALDI-TOF MS for Qualitative Detection of Flavonoids on Phytochemical Fingerprints. PHYTOCHEMICAL ANALYSIS : PCA 2016; 27:222-228. [PMID: 27313160 DOI: 10.1002/pca.2621] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2016] [Revised: 03/23/2016] [Accepted: 03/24/2016] [Indexed: 06/06/2023]
Abstract
INTRODUCTION Thin layer chromatographic fingerprints of plant raw materials and extracts for food and pharma applications often focus on phenol carbonic acids and flavonoids. The visual detection and comparison of Rf values of applied reference substances only renders limited phytochemical information. Recently, direct coupling of TLC with MALDI-TOF MS has been successfully applied for analysis of biologically relevant compounds such as lipids. The mass analysis of low molecular weight TLC or HPTLC fingerprints of flavonoids has, to our knowledge, not yet been investigated. OBJECTIVES In this study, the feasibility of direct coupling of HPTLC with UV-MALDI-TOF MS for determination of molecular mass of the ubiquitously present flavonol glycoside, rutin, and flavone glycoside, luteolin-7-O-glucoside, as well as their corresponding aglycones, quercetin and luteolin, is demonstrated. METHODOLOGY HPTLC plate suitable for combination with a MALDI MS adapter was used for chromatographic separation of compounds of interest. After separation, the plate was sprayed with 2,5 dihydroxybenzoic acid as a MALDI matrix using an automated spraying device. After drying, the developed chromatograms were scanned by UV-MALDI-TOF MS in positive mode with a spatial resolution of 0.2 mm. RESULTS All compounds studied were distinctly detected in MALDI-TOF mass spectra. This is particularly pertinent for the co-eluted aglycones luteolin and quercetin, which could not have been distinguished by the common visual HPTLC derivatisation and evaluation. CONCLUSION This study demonstrates the potential of MALDI-TOF MS for the analysis of low molecular weight fingerprints of flavonoids directly from their HPTLC chromatogram. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Ivana Kroslakova
- Zurich University of Applied Sciences, Institute of Chemistry and Biotechnology, Einsiedlerstrasse 31, CH-8820, Wädenswil, Switzerland
| | - Simona Pedrussio
- Zurich University of Applied Sciences, Institute of Chemistry and Biotechnology, Einsiedlerstrasse 31, CH-8820, Wädenswil, Switzerland
| | - Evelyn Wolfram
- Zurich University of Applied Sciences, Institute of Chemistry and Biotechnology, Einsiedlerstrasse 31, CH-8820, Wädenswil, Switzerland
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Leriche ED, Hubert-Roux M, Afonso C, Lange CM, Grossel MC, Maire F, Loutelier-Bourhis C. Investigation of dendriplexes by ion mobility-mass spectrometry. Molecules 2014; 19:20731-50. [PMID: 25514219 PMCID: PMC6271531 DOI: 10.3390/molecules191220731] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Revised: 10/22/2014] [Accepted: 10/27/2014] [Indexed: 11/21/2022] Open
Abstract
Highly branched polyamidoamine (PAMAM) dendrimers presenting biological activities have been envisaged as non-viral gene delivery vectors. They are known to associate with nucleic acid (DNA) in non-covalent complexes via electrostatic interactions. Although their transfection efficiency has been proved, PAMAMs present a significant cytotoxicity due to their cationic surface. To overcome such a drawback, different chemical modifications of the PAMAM surface have been reported such as the attachment of hydrophobic residues. In the present work, we studied the complexation of DNA duplexes with different low-generation PAMAM; ammonia-cored G0(N) and G1(N) PAMAM, native or chemically modified with aromatic residues, i.e., phenyl-modified-PAMAM G0(N) and phenylalanine-modified-PAMAM G1(N). To investigate the interactions involved in the PAMAM/DNA complexes, also called dendriplexes, we used electrospray ionization (ESI) coupled to ion mobility spectrometry-mass-spectrometry (IM-MS). ESI is known to allow the study of non-covalent complexes in native conditions while IM-MS is a bidimensional separation technique particularly useful for the characterization of complex mixtures. IM-MS allows the separation of the expected complexes, possible additional non-specific complexes and the free ligands. Tandem mass spectrometry (MS/MS) was also used for the structural characterization. This work highlights the contribution of IM-MS and MS/MS for the study of small dendriplexes. The stoichiometries of the complexes and the equilibrium dissociation constants were determined. The [DNA/native PAMAM] and [DNA/modified-PAMAM] dendriplexes were compared.
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Affiliation(s)
- Emma-Dune Leriche
- Normandie Université, COBRA, UMR6014 and FR3038, Université de Rouen, CNRS, IRCOF, 1 rue Tesnière, 76821 Mont-Saint-Aignan Cedex, France
| | - Marie Hubert-Roux
- Normandie Université, COBRA, UMR6014 and FR3038, Université de Rouen, CNRS, IRCOF, 1 rue Tesnière, 76821 Mont-Saint-Aignan Cedex, France
| | - Carlos Afonso
- Normandie Université, COBRA, UMR6014 and FR3038, Université de Rouen, CNRS, IRCOF, 1 rue Tesnière, 76821 Mont-Saint-Aignan Cedex, France
| | - Catherine M Lange
- Normandie Université, COBRA, UMR6014 and FR3038, Université de Rouen, CNRS, IRCOF, 1 rue Tesnière, 76821 Mont-Saint-Aignan Cedex, France
| | - Martin C Grossel
- School of Chemistry, University of Southampton, Highfield, Hants SO17 1BJ Southampton, UK
| | - Florian Maire
- Normandie Université, COBRA, UMR6014 and FR3038, Université de Rouen, CNRS, IRCOF, 1 rue Tesnière, 76821 Mont-Saint-Aignan Cedex, France
| | - Corinne Loutelier-Bourhis
- Normandie Université, COBRA, UMR6014 and FR3038, Université de Rouen, CNRS, IRCOF, 1 rue Tesnière, 76821 Mont-Saint-Aignan Cedex, France.
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