1
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Aly AA, Górecki T. Two-dimensional liquid chromatography with reversed phase in both dimensions: A review. J Chromatogr A 2024; 1721:464824. [PMID: 38522405 DOI: 10.1016/j.chroma.2024.464824] [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: 12/26/2023] [Revised: 03/14/2024] [Accepted: 03/16/2024] [Indexed: 03/26/2024]
Abstract
Two-dimensional liquid chromatography (2D-LC), and in particular comprehensive two-dimensional liquid chromatography (LC×LC), offers increased peak capacity, resolution and selectivity compared to one-dimensional liquid chromatography. It is commonly accepted that the technique produces the best results when the separation mechanisms in the two dimensions are completely orthogonal; however, the use of similar separation mechanisms in both dimensions has been gaining popularity as it helps avoid difficulties related to mobile phase incompatibility and poor column efficiency. The remarkable advantages of using reversed phase in both dimensions (RPLC×RPLC) over other separation mechanisms made it a promising technique in the separation of complex samples. This review discusses some physical and practical considerations in method development for 2D-LC involving the use of RP in both dimensions. In addition, an extensive overview is presented of different applications that relied on RPLC×RPLC and 2D-LC with reversed phase column combinations to separate components of complex samples in different fields including food analysis, natural product analysis, environmental analysis, proteomics, lipidomics and metabolomics.
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Affiliation(s)
- Alshymaa A Aly
- Analytical Chemistry Department, Faculty of Pharmacy, Minia University, Menia Governorate, Arab Republic of Egypt; Department of Chemistry, University of Waterloo, ON, Canada
| | - Tadeusz Górecki
- Department of Chemistry, University of Waterloo, ON, Canada.
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2
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Chai Y, Ma Q, Nong X, Mu X, Huang A. Dissecting LuxS/AI-2 quorum sensing system-mediated phenyllactic acid production mechanisms of Lactiplantibacillus plantarum L3. Food Res Int 2023; 166:112582. [PMID: 36914344 DOI: 10.1016/j.foodres.2023.112582] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 01/29/2023] [Accepted: 02/04/2023] [Indexed: 02/11/2023]
Abstract
The phenyllactic acid (PLA) produced by lactic acid bacteria (LAB) inhibits fungi and facilitates the quality control of fermented milk. A strain of Lactiplantibacillus plantarum L3 (L. plantarum L3) with high PLA production was screened in the pre-laboratory, but the mechanism of its PLA formation is unclear. The amount of autoinducer-2 (AI-2) increased with increasing culture time, as did cell density and PLA. The results in this study suggest that PLA production in L. plantarum L3 may be regulated by the LuxS/AI-2 Quorum Sensing (QS) system. Tandem mass tag (TMT) quantitative proteomics analysis showed that a total of 1291 differentially expressed proteins (DEPs) were quantified in the incubated for 24 h compared with the incubated for 2 h, of which 516 DEPs were up-regulated and 775 DEPs were down-regulated. Among them, S-ribosomal homocysteine lyase (luxS), aminotransferase (araT), and lactate dehydrogenase (ldh) are the key proteins for PLA formation. The DEPs were mainly involved in the QS pathway and the core pathway of PLA synthesis. Furanone effectively inhibited the production of L. plantarum L3 PLA. In addition, Western blot analysis demonstrated that luxS, araT, and ldh were the key proteins regulating PLA production. This study reveals the regulatory mechanism of PLA based on the LuxS/AI-2 QS system, which provides a theoretical basis for the efficient and large-scale production of PLA in industries in the future.
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Affiliation(s)
- Yunmei Chai
- Department of Food Science, College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
| | - Qingwen Ma
- Department of Food Science, College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China; Yunnan Normal University, Kunming 650092, Yunnan, China
| | - Xin Nong
- Department of Food Science, College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
| | - Xinyue Mu
- Department of Food Science, College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China
| | - Aixiang Huang
- Department of Food Science, College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, Yunnan, China.
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3
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Cortés Giménez-Coral A, Rodríguez-González P, González Gago A, Cernuda Morollón E, Lopez-Cancio E, Prieto García B, García Alonso JI. Comparison between one and two-dimensional liquid chromatographic approaches for the determination of plasmatic stroke biomarkers by isotope dilution and tandem mass spectrometry. Analyst 2023; 148:583-593. [PMID: 36594438 DOI: 10.1039/d2an01750d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This work presents the evaluation of one- and two-dimensional liquid chromatography for the quantification of three stroke outcome predictors in plasma. Isotopically labelled analogues of L-arginine (L-Arg), asymmetric dimethylarginine (ADMA) and symmetric dimethylarginine (SDMA) are used to quantify the three analytes by isotope dilution and tandem mass spectrometry. Chromatographic isotope effects were not observed between natural L-Arg and its 15N-labelled analogue but they were observed between natural ADMA and SDMA and their multiple deuterated analogues. Under these conditions, bidimensional chromatography through the use of an automated multiple heart cutting mode provided unsatisfactory results for ADMA and SDMA due to the different amounts of natural and labelled compounds transferred from the first to the second chromatographic dimension. In contrast, using one dimensional liquid chromatography after a derivatization step to esterify carboxylic groups, chromatographic isotope effects did not alter the initial mass balance as full coelution of natural and labelled analogues or baseline resolution between the analytes was not required. This method was successfully validated following the Clinical & Laboratory Standards Institute guidelines and applied to the analysis of plasma samples from patients who had suffered from an intraparenchymal haemorrhagic stroke.
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Affiliation(s)
- Adela Cortés Giménez-Coral
- Department of Physical and Analytical Chemistry, Faculty of Chemistry, University of Oviedo, 33006 Oviedo, Spain. .,Clinical Biochemistry, Laboratory of Medicine, Central University Hospital of Asturias, Oviedo, 33011, Spain
| | - Pablo Rodríguez-González
- Department of Physical and Analytical Chemistry, Faculty of Chemistry, University of Oviedo, 33006 Oviedo, Spain.
| | - Adriana González Gago
- Department of Physical and Analytical Chemistry, Faculty of Chemistry, University of Oviedo, 33006 Oviedo, Spain.
| | - Eva Cernuda Morollón
- Clinical Biochemistry, Laboratory of Medicine, Central University Hospital of Asturias, Oviedo, 33011, Spain
| | - Elena Lopez-Cancio
- Department of Neurology, Central University Hospital of Asturias, 33011 Oviedo, Spain
| | - Belén Prieto García
- Clinical Biochemistry, Laboratory of Medicine, Central University Hospital of Asturias, Oviedo, 33011, Spain
| | - J Ignacio García Alonso
- Department of Physical and Analytical Chemistry, Faculty of Chemistry, University of Oviedo, 33006 Oviedo, Spain.
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4
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Frolov AI, Chankeshwara SV, Abdulkarim Z, Ghiandoni GM. pIChemiSt ─ Free Tool for the Calculation of Isoelectric Points of Modified Peptides. J Chem Inf Model 2023; 63:187-196. [PMID: 36573842 PMCID: PMC9832473 DOI: 10.1021/acs.jcim.2c01261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The isoelectric point (pI) is a fundamental physicochemical property of peptides and proteins. It is widely used to steer design away from low solubility and aggregation and guide peptide separation and purification. Experimental measurements of pI can be replaced by calculations knowing the ionizable groups of peptides and their corresponding pKa values. Different pKa sets are published in the literature for natural amino acids, however, they are insufficient to describe synthetically modified peptides, complex peptides of natural origin, and peptides conjugated with structures of other modalities. Noncanonical modifications (nCAAs) are ignored in the conventional sequence-based pI calculations, therefore producing large errors in their pI predictions. In this work, we describe a pI calculation method that uses the chemical structure as an input, automatically identifies ionizable groups of nCAAs and other fragments, and performs pKa predictions for them. The method is validated on a curated set of experimental measures on 29 modified and 119093 natural peptides, providing an improvement of R2 from 0.74 to 0.95 and 0.96 against the conventional sequence-based approach for modified peptides for the two studied pKa prediction tools, ACDlabs and pKaMatcher, correspondingly. The method is available in the form of an open source Python library at https://github.com/AstraZeneca/peptide-tools, which can be integrated into other proprietary and free software packages. We anticipate that the pI calculation tool may facilitate optimization and purification activities across various application domains of peptides, including the development of biopharmaceuticals.
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Affiliation(s)
- Andrey I. Frolov
- Medicinal
Chemistry, Research and Early Development, Cardiovascular, Renal and
Metabolism (CVRM), BioPharmaceuticals R&D,
AstraZeneca, Gothenburg, Sweden,
| | - Sunay V. Chankeshwara
- Medicinal
Chemistry, Research and Early Development, Cardiovascular, Renal and
Metabolism (CVRM), BioPharmaceuticals R&D,
AstraZeneca, Gothenburg, Sweden
| | - Zeyed Abdulkarim
- Early
Chemical Development, Pharmaceutical Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
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5
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Lambiase G, Inman SE, Muroni M, Lindo V, Dickman MJ, James DC. High-throughput multiplex analysis of mAb aggregates and charge variants by automated two-dimensional size exclusion-cation exchange chromatography coupled to mass spectrometry. J Chromatogr A 2022; 1670:462944. [PMID: 35344792 DOI: 10.1016/j.chroma.2022.462944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 03/05/2022] [Accepted: 03/07/2022] [Indexed: 10/18/2022]
Abstract
Monoclonal antibodies (mAbs) are extremely complex due to the presence of structural modifications resulting from enzymatic and chemical reactions such as glycosylation, glycation, deamidation, isomerisation, oxidation, aggregation and fragmentation. Size and charge variants analysis are carried out from the early stages of drug development throughout product lifetime to investigate product degradation pathways and optimise process conditions. However, conventional analytical workstreams for size and charge variant characterization are both time and sample demanding, requiring the application of multiple analytical methods. This study presents the development of a novel 2D-LC/MS approach combining both aggregate and charge variant profiling of a mAb candidate in a single method. Aggregate quantification was performed in the first dimension (1D) by size exclusion chromatography SEC, followed by online fraction transfer of the monomer peak to the second dimension (2D) by a heart-cutting for charge variant analysis by cation exchange chromatography (CEX). Aiming to maximise the information obtained from minimal sample and time required for analysis, a salt-based separation with UV detection was developed for supporting the processing of a large number of samples to facilitate high-throughput process development (HTPD). In addition, a mass spectrometry (MS) compatible SEC-CEX separation was developed enabling online charge variant peak identification. This study presented the ability to multiplex mAb size and charge variants analysis by coupling SEC with CEX in a 2D-LC set-up. To date, this is the first 2D SEC-CEX-UV(-MS) application for intact mAb analysis.
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Affiliation(s)
- Giulia Lambiase
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield, United Kingdom; Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, United Kingdom
| | - Sophie E Inman
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, United Kingdom
| | - Maurizio Muroni
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, United Kingdom
| | - Vivian Lindo
- Analytical Sciences, BioPharmaceuticals Development, R&D, AstraZeneca, Cambridge, United Kingdom.
| | - Mark J Dickman
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield, United Kingdom.
| | - David C James
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield, United Kingdom.
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6
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Wu Z, Wang H, Tustian A, Qiu H, Li N. Development of a Two-Dimensional Liquid Chromatography-Mass Spectrometry Platform for Simultaneous Multi-Attribute Characterization of Adeno-Associated Viruses. Anal Chem 2022; 94:3219-3226. [PMID: 35142492 DOI: 10.1021/acs.analchem.1c04873] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Adeno-associated viruses (AAVs) are non-enveloped, single-stranded DNA viruses that have recently emerged as an attractive vector for delivering genetic materials to hosts for gene therapy applications. Due to their ability to transduce a wide range of species and tissues in vivo, low risk of immunotoxicity, and mild innate and adaptive immune responses, AAVs are currently used in research and clinical studies as a monotherapy or with other biomolecules to perform gene editing, replacement, addition, and silencing. As AAVs are a new and complex therapeutic modality with molecular weights into the megadalton range, new analytical techniques are therefore needed to support process development, product characterization, and release. In this study, an online two-dimensional liquid chromatography-mass spectrometry (2DLC-MS) method was developed for AAV characterization. Our method uses high-resolution anion-exchange chromatography (AEX) in the first dimension to separate and measure empty and full capsids in AAV samples, followed by reversed-phase liquid chromatography coupled with mass spectrometry (RPLC-MS) to separate and characterize viral proteins. In this technique, online denaturation and removal of MS-incompatible salt were performed following AEX. The viral proteins present in the peak of interest after first-dimensional AEX are subjected to intact protein separation on the second-dimensional RPLC column and then characterized by MS. The 2DLC-MS method demonstrated in this study allows for high-throughput and multi-attribute AAV characterization in a single run, with minimal sample handling required for different AAV serotypes.
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Affiliation(s)
- Zhijie Wu
- Analytical Chemistry, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, New York 10591-6707, United States
| | - Hongxia Wang
- Analytical Chemistry, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, New York 10591-6707, United States
| | - Andrew Tustian
- Viral Production Core, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, New York 10591-6707, United States
| | - Haibo Qiu
- Analytical Chemistry, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, New York 10591-6707, United States
| | - Ning Li
- Analytical Chemistry, Regeneron Pharmaceuticals, Inc., 777 Old Saw Mill River Road, Tarrytown, New York 10591-6707, United States
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7
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Ma Q, Chai Y, Yang Z, Huang A. Deciphering the mechanisms of Limosilactobacillus fermentum L1 involved in conjugated linoleic acid regulated by luxS/AI-2 quorum sensing. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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8
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Fernández AS, Rodríguez-González P, Álvarez L, García M, Iglesias HG, García Alonso JI. Multiple heart-cutting two dimensional liquid chromatography and isotope dilution tandem mass spectrometry for the absolute quantification of proteins in human serum. Anal Chim Acta 2021; 1184:339022. [PMID: 34625263 DOI: 10.1016/j.aca.2021.339022] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/28/2021] [Accepted: 08/30/2021] [Indexed: 10/20/2022]
Abstract
We evaluate here the combination of two-dimensional liquid chromatography (2D-LC) in the multiple heart cutting mode and isotope dilution tandem mass spectrometry for the direct analysis of tryptic digests of serum samples. As a proof of concept, we attempt the quantification of proteotypic peptides of Apolipoprotein AIV (APOA4), Complement C3 (C3) and Vitronectin (VTN) which have been previously identified as potential candidate biomarkers of glaucoma. Using this 2D-LC strategy, analyte enrichment steps are avoided and the sample preparation involved after enzymatic digestion amounted to a simple centrifugation, evaporation of the supernatant and reconstitution in the 1D mobile phase. A mobile phase not compatible with the ESI source (10 mM KH2PO4 at pH 2.7) was used in the first dimension as it provided a satisfactory chromatographic resolution of the peptides and a high buffering capacity avoiding changes in retention times when analyzing complex matrices like human serum. We also demonstrate that using coeluting labelled analogues of the target peptides, protein concentrations were not affected by slight retention time shifts affecting the amount of target peptides transferred to the second dimension. Satisfactory results were obtained when analyzing fortified serum samples (recoveries from 98 to 113%). Precisions in the range of 1-9% RSD were obtained when replicating the analysis of a pooled serum sample. The comparative analysis of serum samples from n = 94 control subjects and n = 91 patients diagnosed with primary open-angle glaucoma did not show significant differences in the APOA4, VTN and C3 concentrations in contrast with previous studies using immunoassays.
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Affiliation(s)
- Amanda Suárez Fernández
- Department of Physical and Analytical Chemistry, University of Oviedo, Calle Julián Clavería 8, 33006, Oviedo, Spain
| | - Pablo Rodríguez-González
- Department of Physical and Analytical Chemistry, University of Oviedo, Calle Julián Clavería 8, 33006, Oviedo, Spain.
| | - Lydia Álvarez
- Instituto Universitario Fernández-Vega (Fundación de Investigación Oftalmológica, Universidad de Oviedo), 33012, Oviedo, Spain
| | - Montserrat García
- Instituto Universitario Fernández-Vega (Fundación de Investigación Oftalmológica, Universidad de Oviedo), 33012, Oviedo, Spain; Instituto Oftalmológico Fernández-Vega, Avda. Dres. Fernández-Vega, 34, 33012, Oviedo, Spain
| | - Héctor González Iglesias
- Instituto Universitario Fernández-Vega (Fundación de Investigación Oftalmológica, Universidad de Oviedo), 33012, Oviedo, Spain; Instituto Oftalmológico Fernández-Vega, Avda. Dres. Fernández-Vega, 34, 33012, Oviedo, Spain
| | - J Ignacio García Alonso
- Department of Physical and Analytical Chemistry, University of Oviedo, Calle Julián Clavería 8, 33006, Oviedo, Spain
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9
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Schreiner T, Morlock GE. Non-target bioanalytical eight-dimensional hyphenation including bioassay, heart-cut trapping, online desalting, orthogonal separations and mass spectrometry. J Chromatogr A 2021; 1647:462154. [PMID: 33957351 DOI: 10.1016/j.chroma.2021.462154] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 03/22/2021] [Accepted: 04/08/2021] [Indexed: 12/17/2022]
Abstract
It is still a challenge to discover and identify individual bioactive compounds directly in multicomponent mixtures. Current workflows are too tedious for routine use. Hence, the hyphenation of separation and detection techniques is a powerful tool to maximize the information obtained by a single sample run. A robust eight-dimensional (8D) hyphenation was developed. Orthogonal separations, biological assay detection, analyte trapping, desalting, and physico-chemical detections were arranged in the following order, i.e. 1) normal phase high-performance thin-layer chromatography (NP-HPTLC) separation, 2) Vis detection, 3) UV detection, 4) fluorescence detection (FLD), 5) bioassay for effect-directed analysis (EDA), 6) heart-cut trapping/desalting/elution to reversed phase high-performance liquid chromatography (RP-HPLC) separation, 7) photodiode array (PDA) and 8) mass spectrometry (MS) detection. For the first time, the hyphenation exploited online analyte trapping to desalt the eluted bioactive zone from the plate containing highly salted bioassay media. Subsequent valve switching guided the trapped analyte(s) to the main column, followed by multiple detection. As proof-of-principle, cinnamon samples were analyzed by NP-HPTLC-UV/Vis/FLD-EDA-RP-HPLC-PDA-MS, whereby a bioactive zone was separated into two distinct peaks detected by PDA and MS to be 2-methoxy cinnamaldehyde and cinnamaldehyde. The developed 8D hyphenation is applicable for routine, allowing the non-target high-throughput screening of complex samples for individual bioactive compounds.
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Affiliation(s)
- Tamara Schreiner
- Chair of Food Science, Institute of Nutritional Science, and Interdisciplinary Research Center (iFZ), Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany
| | - Gertrud E Morlock
- Chair of Food Science, Institute of Nutritional Science, and Interdisciplinary Research Center (iFZ), Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany.
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10
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Dong X, Yang J, Wang QY, Zhen XT, Liu FM, Zheng H, Cao J. Microextraction assisted multiple heart-cutting and comprehensive two-dimensional liquid chromatography hyphenated to Q-TOF/MS for the determination of multiclass compounds from Dendrobium species. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105097] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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11
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Recent advances in LC–MS based characterization of protein-based bio-therapeutics – mastering analytical challenges posed by the increasing format complexity. J Pharm Biomed Anal 2020; 186:113251. [DOI: 10.1016/j.jpba.2020.113251] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 03/05/2020] [Accepted: 03/09/2020] [Indexed: 12/25/2022]
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12
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Kirchert S, Morlock GE. Orthogonal Hyphenation of Planar and Liquid Chromatography for Mass Spectrometry of Biomarkers out of the Bioassay Matrix (NP-HPTLC-UV/vis/FLD-Bioassay-RP/IEX-HPLC-UV/vis-ESI-MS). Anal Chem 2020; 92:9057-9064. [DOI: 10.1021/acs.analchem.0c01251] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Simone Kirchert
- Chair of Food Science, Institute of Nutritional Science, and TransMIT Center for Effect-Directed Analysis, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany
| | - Gertrud E. Morlock
- Chair of Food Science, Institute of Nutritional Science, and TransMIT Center for Effect-Directed Analysis, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany
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13
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Furusho A, Koga R, Akita T, Mita M, Kimura T, Hamase K. Three-Dimensional High-Performance Liquid Chromatographic Determination of Asn, Ser, Ala, and Pro Enantiomers in the Plasma of Patients with Chronic Kidney Disease. Anal Chem 2019; 91:11569-11575. [DOI: 10.1021/acs.analchem.9b01615] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Aogu Furusho
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Reiko Koga
- Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Takeyuki Akita
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Masashi Mita
- Shiseido Co., Ltd., 1-6-2 Higashi-shimbashi, Minato-ku, Tokyo 105-8310, Japan
| | - Tomonori Kimura
- National Institute of Biomedical Innovation, Health and Nutrition, 7-6-8 Saitoasagi, Ibaraki 567-0085, Japan
| | - Kenji Hamase
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
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14
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Duivelshof BL, Fekete S, Guillarme D, D’Atri V. A generic workflow for the characterization of therapeutic monoclonal antibodies—application to daratumumab. Anal Bioanal Chem 2019; 411:4615-4627. [DOI: 10.1007/s00216-018-1561-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 12/13/2018] [Accepted: 12/19/2018] [Indexed: 12/16/2022]
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15
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Pirok BWJ, Stoll DR, Schoenmakers PJ. Recent Developments in Two-Dimensional Liquid Chromatography: Fundamental Improvements for Practical Applications. Anal Chem 2018; 91:240-263. [PMID: 30380827 PMCID: PMC6322149 DOI: 10.1021/acs.analchem.8b04841] [Citation(s) in RCA: 195] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Bob W J Pirok
- University of Amsterdam , van 't Hoff Institute for Molecular Sciences, Analytical-Chemistry Group , Science Park 904 , 1098 XH Amsterdam , The Netherlands.,TI-COAST , Science Park 904 , 1098 XH Amsterdam , The Netherlands
| | - Dwight R Stoll
- Department of Chemistry , Gustavus Adolphus College , Saint Peter , Minnesota 56082 , United States
| | - Peter J Schoenmakers
- University of Amsterdam , van 't Hoff Institute for Molecular Sciences, Analytical-Chemistry Group , Science Park 904 , 1098 XH Amsterdam , The Netherlands
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16
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D’Atri V, Fekete S, Clarke A, Veuthey JL, Guillarme D. Recent Advances in Chromatography for Pharmaceutical Analysis. Anal Chem 2018; 91:210-239. [DOI: 10.1021/acs.analchem.8b05026] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Valentina D’Atri
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, CMU-Rue Michel Servet 1, 1211 Geneva 4, Switzerland
| | - Szabolcs Fekete
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, CMU-Rue Michel Servet 1, 1211 Geneva 4, Switzerland
| | - Adrian Clarke
- Novartis Pharma AG, Technical Research and Development, Chemical and Analytical Development (CHAD), Basel, CH4056, Switzerland
| | - Jean-Luc Veuthey
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, CMU-Rue Michel Servet 1, 1211 Geneva 4, Switzerland
| | - Davy Guillarme
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, CMU-Rue Michel Servet 1, 1211 Geneva 4, Switzerland
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17
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Ichiishi N, Caldwell JP, Lin M, Zhong W, Zhu X, Streckfuss E, Kim HY, Parish CA, Krska SW. Protecting group free radical C-H trifluoromethylation of peptides. Chem Sci 2018; 9:4168-4175. [PMID: 29780547 PMCID: PMC5941281 DOI: 10.1039/c8sc00368h] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 04/02/2018] [Indexed: 12/22/2022] Open
Abstract
Two radical-based approaches have been developed to effect the trifluoromethylation of aryl C-H bonds in native peptides either using stoichiometric oxidant or visible light photoredox catalysis. The reported methods are able to derivatize tyrosine and tryptophan sidechains under biocompatible conditions, and a number of examples are reported involving fully unprotected peptides with up to 51 amino acids. The development of this chemistry adds to the growing array of chemical methods for selectively modifying amino acid residues in the context of complex peptides. The direct incorporation of trifluoromethyl groups into biopolymers enables the study of a range of biological and biochemical systems, and preliminary results indicate this method can be extended to the incorporation of other fluoroalkyl groups for bioconjugation applications.
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Affiliation(s)
- Naoko Ichiishi
- Chemistry Capabilities and Screening , Merck Sharp & Dohme Corp. , Kenilworth , New Jersey 07033 , USA .
| | - John P Caldwell
- Kenilworth Discovery Chemistry , Merck Sharp & Dohme Corp. , Kenilworth , New Jersey 07033 , USA
| | - Melissa Lin
- Analytical Research & Development , Merck Sharp & Dohme Corp. , Rahway , NJ , USA
| | - Wendy Zhong
- Analytical Research & Development , Merck Sharp & Dohme Corp. , Rahway , NJ , USA
| | - Xiaohong Zhu
- Kenilworth Discovery Chemistry , Merck Sharp & Dohme Corp. , Kenilworth , New Jersey 07033 , USA
| | - Eric Streckfuss
- West Point Discovery Chemistry , Merck Sharp & Dohme Corp. , West Point , Pennsylvania 19486 , USA
| | - Hai-Young Kim
- Analytical Research & Development , Merck Sharp & Dohme Corp. , Rahway , NJ , USA
| | - Craig A Parish
- Discovery Chemistry Modalities , Merck Sharp & Dohme Corp. , Kenilworth , New Jersey 07033 , USA .
| | - Shane W Krska
- Chemistry Capabilities and Screening , Merck Sharp & Dohme Corp. , Kenilworth , New Jersey 07033 , USA .
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18
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Xu Y, Wang D, Zhu B, Tang L, Wang J. Separation and characterization of allergenic polymerized impurities from cephalosporin for injection by trap free two-dimensional high performance size exclusion chromatography × reversed phase liquid chromatography coupled with ion trap time-of-flight mass spectrometry. J Pharm Biomed Anal 2018; 154:425-432. [PMID: 29579634 DOI: 10.1016/j.jpba.2018.03.043] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 03/18/2018] [Accepted: 03/19/2018] [Indexed: 10/17/2022]
Abstract
As requested by regulatory authorities, polymerized impurities are an important issue of quality control. In this study, we presented the utilization of a trap-free two-dimensional chromatography, which was consisted by a high performance size exclusion chromatography (HPSEC) and a reversed-phase liquid chromatography (RP-LC) coupled to ion trap time-of-flight mass spectrometry with positive mode of electrospray ionization, to separate and characterize ten allergenic impurities in ceftazidime for injection, cefazolin sodium for injection, cefoperazone sodium and sulbactam sodium for injection and cefamandole nafate for injection. An effective method for characterizing the polymerized impurities in β-lactam antibiotics was established on the basis of column-switching technique which effectively combined the advantages of HPSEC and the ability of RP-HPLC to identify the special impurities. In the first dimension, the column was the Xtimate SEC-120 analytical column (7.8 mm × 30 cm, 5 μm) and the flow rate was 1.0 mL min-1 with gradient elution using 0.005 mol L-1 phosphate buffer solution at pH 7.0 and acetonitrile as mobile phase. In the second dimension, the analytical column was ZORBAX SB-C18 (4.6 × 150 mm, 3.5 μm) using ammonium formate solution (10 mM) and ammonium formate (8 mM) in [acetonitrile-water (4:1, v/v)] solution as mobile phase at a flow rate of 0.4 mL min-1. Eluent associate with each peak separated in the first dimension was trapped by a 20 μL quantitative loop and then transferred (via a six-port valve) into the second dimension system with volatile mobile phase. Through the multiple heart-cutting 2D-LC approach and online desalting technique, the problem of incompatibility between non-volatile mobile phase and mass spectrometry was solved completely. The fragmentation behaviors of ten allergenic impurities were studied. The structures of ten allergenic impurities in cephalosporin drug substance were deduced based on the HPLC-MSn data, in which four impurities were polymerized impurities. The forming factors of polymerized impurity in cephalosporins were also studied.
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Affiliation(s)
- Yu Xu
- Zhejiang University of Technology, Hangzhou, 310014, China
| | - Dandan Wang
- Zhejiang University of Technology, Hangzhou, 310014, China
| | - Bingqi Zhu
- Zhejiang Institute for Food and Drug Control, Hangzhou, 310052, China
| | - Lan Tang
- Zhejiang University of Technology, Hangzhou, 310014, China
| | - Jian Wang
- Zhejiang University of Technology, Hangzhou, 310014, China; Zhejiang Institute for Food and Drug Control, Hangzhou, 310052, China.
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