1
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Selective Recovery of L-pipecolic Acid from L-lysine Bioconversion Mixture by Liquid-liquid Extraction. BIOTECHNOL BIOPROC E 2022. [DOI: 10.1007/s12257-021-0236-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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2
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Calderón C, Lämmerhofer M. Enantioselective metabolomics by liquid chromatography-mass spectrometry. J Pharm Biomed Anal 2022; 207:114430. [PMID: 34757254 DOI: 10.1016/j.jpba.2021.114430] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/08/2021] [Accepted: 10/12/2021] [Indexed: 12/13/2022]
Abstract
Metabolomics strives to capture the entirety of the metabolites in a biological system by comprehensive analysis, often by liquid chromatography hyphenated to mass spectrometry. A particular challenge thereby is the differentiation of structural isomers. Common achiral targeted and untargeted assays do not distinguish between enantiomers. This may lead to information loss. An increasing number of publications demonstrate that the enantiomeric ratio of certain metabolites can be meaningful biomarkers of certain diseases emphasizing the importance of introducing enantioselective analytical procedures in metabolomics. In this work, the state-of-the-art in the field of LC-MS based metabolomics is summarized with focus on developments in the recent decade. Methodologies, tagging strategies, workflows and general concepts are outlined. Selected biological applications in which enantioselective metabolomics has documented its usefulness are briefly discussed. In general, targeted enantioselective metabolomics assays are often based on a direct approach using chiral stationary phases (CSP) with polysaccharide derivatives, macrocyclic antibiotics, chiral crown ethers, chiral ion exchangers, donor-acceptor phases as chiral selectors. Rarely, these targeted assays focus on more than 20 analytes and usually are restricted to a certain metabolite class. In a variety of cases, pre-column derivatization of metabolites has been performed, especially for amino acids, to improve separation and detection sensitivity. Triple quadrupole instruments are the detection methods of first choice in targeted assays. Here, issues like matrix effect, absence of blank matrix impair accuracy of results. In selected applications, multiple heart cutting 2D-LC (RP followed by chiral separation) has been pursued to overcome this problem and alleviate bias due to interferences. Non-targeted assays, on the other hand, are based on indirect approach involving tagging with a chiral derivatizing agent (CDA). Besides classical CDAs numerous innovative reagents and workflows have been proposed and are discussed. Thereby, a critical issue for the accuracy is often neglected, viz. the validation of the enantiomeric impurity in the CDA. The majority of applications focus on amino acids, hydroxy acids, oxidized fatty acids and oxylipins. Some potential clinical applications are highlighted.
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Affiliation(s)
- Carlos Calderón
- Institute of Pharmaceutical Sciences, Pharmaceutical (Bio-)Analysis, University of Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany; Escuela de Química, Universidad de Costa Rica, San José 11501-2060, Costa Rica
| | - Michael Lämmerhofer
- Institute of Pharmaceutical Sciences, Pharmaceutical (Bio-)Analysis, University of Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany.
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3
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Li L, Li C, Jia L. Unlocking the potential of Escherichia coli modified magnetic particles for chiral discrimination of racemic tryptophan. J Chromatogr A 2021; 1659:462638. [PMID: 34731753 DOI: 10.1016/j.chroma.2021.462638] [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: 06/06/2021] [Revised: 10/18/2021] [Accepted: 10/20/2021] [Indexed: 11/25/2022]
Abstract
Enzymes possess a highly specific affinity toward their substrates. In this study, an enzyme-based biological method was established for chiral discrimination of D/L-tryptophan (Trp). The polydopamine modified magnetic particles (PDA@Fe3O4) were prepared for immobilization of the genetically engineered bacterium Escherichia coli (E. coli) DH5α. The bacteria-magnetic particles conjugates (bacteria@PDA@Fe3O4) demonstrate excellent chiral discrimination performance toward D/L-Trp at pH 7.0 and 45 °C. The investigation for the principle exhibits that the immobilized E. coli DH5α can produce tryptophanase, and the enzyme can selectively recognize and degrade L-Trp. The Michaelis constant of tryptophanase produced by bacteria@PDA@Fe3O4 was measured to be 25.7 µg mL-1. This method avoids the purification of tryptophanase and unlocks the potential of bacteria modified magnetic particles for chiral discrimination of racemic tryptophan.
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Affiliation(s)
- Ling Li
- Ministry of Education Key Laboratory of Laser Life Science & Guangdong Provincial Key Laboratory of Laser Life Science & Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Chuang Li
- Ministry of Education Key Laboratory of Laser Life Science & Guangdong Provincial Key Laboratory of Laser Life Science & Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Li Jia
- Ministry of Education Key Laboratory of Laser Life Science & Guangdong Provincial Key Laboratory of Laser Life Science & Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
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4
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D-cysteine is an endogenous regulator of neural progenitor cell dynamics in the mammalian brain. Proc Natl Acad Sci U S A 2021; 118:2110610118. [PMID: 34556581 DOI: 10.1073/pnas.2110610118] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/19/2021] [Indexed: 12/19/2022] Open
Abstract
d-amino acids are increasingly recognized as important signaling molecules in the mammalian central nervous system. However, the d-stereoisomer of the amino acid with the fastest spontaneous racemization ratein vitro in vitro, cysteine, has not been examined in mammals. Using chiral high-performance liquid chromatography and a stereospecific luciferase assay, we identify endogenous d-cysteine in the mammalian brain. We identify serine racemase (SR), which generates the N-methyl-d-aspartate (NMDA) glutamate receptor coagonist d-serine, as a candidate biosynthetic enzyme for d-cysteine. d-cysteine is enriched more than 20-fold in the embryonic mouse brain compared with the adult brain. d-cysteine reduces the proliferation of cultured mouse embryonic neural progenitor cells (NPCs) by ∼50%, effects not shared with d-serine or l-cysteine. The antiproliferative effect of d-cysteine is mediated by the transcription factors FoxO1 and FoxO3a. The selective influence of d-cysteine on NPC proliferation is reflected in overgrowth and aberrant lamination of the cerebral cortex in neonatal SR knockout mice. Finally, we perform an unbiased screen for d-cysteine-binding proteins in NPCs by immunoprecipitation with a d-cysteine-specific antibody followed by mass spectrometry. This approach identifies myristoylated alanine-rich C-kinase substrate (MARCKS) as a putative d-cysteine-binding protein. Together, these results establish endogenous mammalian d-cysteine and implicate it as a physiologic regulator of NPC homeostasis in the developing brain.
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5
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Recent developments in separation methods for enantiomeric ratio determination of amino acids specifically involved in cataract and Alzheimer's disease. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116287] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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6
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Fan X, Cao L, Geng L, Ma Y, Wei Y, Wang Y. Polysaccharides as separation media for the separation of proteins, peptides and stereoisomers of amino acids. Int J Biol Macromol 2021; 186:616-638. [PMID: 34242648 DOI: 10.1016/j.ijbiomac.2021.07.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 06/29/2021] [Accepted: 07/03/2021] [Indexed: 10/20/2022]
Abstract
Reliable separation of peptides, amino acids and proteins as accurate as possible with the maximum conformation and biological activity is crucial and essential for drug discovery. Polysaccharide, as one of the most abundant natural biopolymers with optical activity on earth, is easy to be functionalized due to lots of hydroxyl groups on glucose units. Over the last few decades, polysaccharide derivatives are gradually employed as effective separation media. The highly-ordered helical structure contributes to complex, diverse molecular recognition ability, allowing polysaccharide derivatives to selectively interact with different analytes. This article reviews the development, application and prospects of polysaccharides as separation media in the separation of proteins, peptides and amino acids in recent years. The chiral molecules mechanism, advantages, limitations, development status and challenges faced by polysaccharides as separation media in molecular recognition are summarized. Meanwhile, the direction of its continued development and future prospects are also discussed.
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Affiliation(s)
- Xiao Fan
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, PR China
| | - Lilong Cao
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, PR China
| | - Linna Geng
- Department of Infrastructure Engineering, The University of Melbourne, Victoria, Australia
| | - Yalu Ma
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, PR China.
| | - Yuping Wei
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, PR China; Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin 300072, PR China.
| | - Yong Wang
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300354, PR China.
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7
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Tortora C, Mai C, Cascella F, Mauksch M, Seidel‐Morgenstern A, Lorenz H, Tsogoeva SB. Speeding up Viedma Deracemization through Water-catalyzed and Reactant Self-catalyzed Racemization. Chemphyschem 2020; 21:1775-1787. [PMID: 32519414 PMCID: PMC7497082 DOI: 10.1002/cphc.202000493] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Indexed: 01/23/2023]
Abstract
Viedma deracemization is based on solution phase racemization, dissolution of racemic or scalemic conglomerates and crystal growth through autocatalytic cluster formation. With rate limiting racemization, its acceleration by appropriate catalysts may result in speeding up deracemization. A conglomerate-forming chiral compound may principally racemize directly, or via reverse of its formation reaction. For a hydrazine derivative, we investigated available racemization pathways in presence of pyrrolidine or thiourea amine as base catalysts: via Mannich or aza-Michael reaction steps and their reverse, or by enolization. Racemization by enolization was computationally found to dominate, both under water-free conditions and in presence of water, involving a multitude of different pathways. Faster racemization in presence of water resulted indeed in more rapid deracemization, when the base was pyrrolidine. Under water-free conditions, the role of water as enolization catalyst is assumed by chiral hydrazine itself - in autocatalytic racemization and in which both reactant and product are catalysts.
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Affiliation(s)
- Carola Tortora
- Organic Chemistry Chair I and Interdisciplinary Center for Molecular Materials (ICMM)Friedrich-Alexander University of Erlangen-NürnbergNikolaus-Fiebiger-Strasse 1091058ErlangenGermany
| | - Christina Mai
- Organic Chemistry Chair I and Interdisciplinary Center for Molecular Materials (ICMM)Friedrich-Alexander University of Erlangen-NürnbergNikolaus-Fiebiger-Strasse 1091058ErlangenGermany
| | - Francesca Cascella
- Max Planck Institute for Dynamics of Complex Technical SystemsSandtorstraße 139106MagdeburgGermany
- Otto von Guericke University MagdeburgUniversitätsplatz 239106MagdeburgGermany
| | - Michael Mauksch
- Computer Chemistry CenterFriedrich-Alexander University of Erlangen-NürnbergNägelsbachstrasse 25a91052ErlangenGermany
| | - Andreas Seidel‐Morgenstern
- Max Planck Institute for Dynamics of Complex Technical SystemsSandtorstraße 139106MagdeburgGermany
- Otto von Guericke University MagdeburgUniversitätsplatz 239106MagdeburgGermany
| | - Heike Lorenz
- Max Planck Institute for Dynamics of Complex Technical SystemsSandtorstraße 139106MagdeburgGermany
| | - Svetlana B. Tsogoeva
- Organic Chemistry Chair I and Interdisciplinary Center for Molecular Materials (ICMM)Friedrich-Alexander University of Erlangen-NürnbergNikolaus-Fiebiger-Strasse 1091058ErlangenGermany
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8
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Barbas-Bernardos C, Garcia-Perez I, Lorenzo MP, Alonso-Herranz V, Nicholson J, Garcia A. Development and validation of a high performance liquid chromatography-tandem mass spectrometry method for the absolute analysis of 17 α D-amino acids in cooked meals. J Chromatogr A 2020; 1611:460598. [DOI: 10.1016/j.chroma.2019.460598] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 09/25/2019] [Accepted: 10/03/2019] [Indexed: 02/07/2023]
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9
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Lee W, Kim KT, Kang JS. Application of an (18-Crown-6)-2,3,11,12-Tetracarboxylic Acid-Based Chiral Stationary Phase in Capillary Electrochromatography. Methods Mol Biol 2019; 1985:445-452. [PMID: 31069751 DOI: 10.1007/978-1-4939-9438-0_26] [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] [Indexed: 06/09/2023]
Abstract
Capillary electrochromatography is employed for the enantioseparation of α-amino acids and their derivatives. The synthesis and application of a covalently bonded chiral stationary phase containing (-)-(18-crown-6)-2,3,11,12-tetracarboxylic acid as chiral selector is described. Enantioseparations are performed using methanol/Tris-citric acid (20 mM, pH 3.0-4.5) (20:80, v/v) as mobile phase.
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Affiliation(s)
- Wonjae Lee
- College of Pharmacy, Chosun University, Gwangju, Republic of Korea
| | - Kyung Tae Kim
- Food Science and Technology Major, Dong-Eui University, Busan, Republic of Korea
| | - Jong Seong Kang
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea.
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10
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Shapovalova EN, Fedorova IA, Anan’eva IA, Shpigun OA. Macrocyclic Antibiotics as Chiral Selectors in High-Performance Liquid Chromatography and Capillary Electrophoresis. JOURNAL OF ANALYTICAL CHEMISTRY 2018. [DOI: 10.1134/s1061934818110114] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Shahrajabian M, Ghasemi F, Hormozi-Nezhad MR. Nanoparticle-based Chemiluminescence for Chiral Discrimination of Thiol-Containing Amino Acids. Sci Rep 2018; 8:14011. [PMID: 30228291 PMCID: PMC6143635 DOI: 10.1038/s41598-018-32416-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 09/04/2018] [Indexed: 11/09/2022] Open
Abstract
The ability to recognize the molecular chirality of enantiomers is extremely important owing to their critical role in drug development and biochemistry. Convenient discrimination of enantiomers has remained a challenge due to lack of unsophisticated methods. In this work, we have reported a simple strategy for chiral recognition of thiol-containing amino acids including penicillamine (PA), and cysteine (Cys). We have successfully designed a nanoparticle-based chemiluminescence (CL) system based on the reaction between cadmium telluride quantum dots (CdTe QDs) and the enantiomers. The different interactions of CdTe QDs with PA enantiomers or Cys enantiomers led to different CL intensities, resulting in the chiral recognition of these enantiomers. The developed method showed the ability for determination of enantiomeric excess of PA and Cys. It has also obtained an enantioselective concentration range from 1.15 to 9.2 mM for PA. To demonstrate the potential application of this method, the designed platform was applied for the quantification of PA in urine and tablet samples. For the first time, we presented a novel practical application of nanoparticle-based CL system for chiral discrimination.
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Affiliation(s)
- Maryam Shahrajabian
- Department of Chemistry, Sharif University of Technology, Tehran, 11155-9516, Iran
| | - Forough Ghasemi
- Department of Chemistry, Sharif University of Technology, Tehran, 11155-9516, Iran
| | - M Reza Hormozi-Nezhad
- Department of Chemistry, Sharif University of Technology, Tehran, 11155-9516, Iran.
- Institute for Nanoscience and Nanotechnology, Sharif University of Technology, Tehran, Iran.
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12
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Drabowicz J, Kudzin MH, Kudzin ZH, Pokora-Sobczak P. High-performance liquid chromatographic enantioseparation of N-aryl-thioureidoalkylphosphonates and thiourylenedi(alkylphosphonates) on polysaccharide-based chiral stationary phases. Chirality 2017; 30:131-140. [PMID: 29272065 DOI: 10.1002/chir.22794] [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: 10/05/2017] [Accepted: 10/25/2017] [Indexed: 11/07/2022]
Abstract
The first successful enantioseparation of representative O,O-diphenyl-N-arylthioureidoalkylphosphonates, (±)-Ptc-ValP (OPh)2 & (±)-Ptc-LeuP (OPh)2 and thiourylenedi(isobutyl phosphonate), Tcm[ValP (OPh)2 ]2 on analytical and semipreparative scale was achieved by high-performance liquid chromatography using polysaccharide-based chiral stationary phases (CPs). Atc-AAP (OPh)2 was obtained using modified tricomponent condensations of the corresponding aldehydes, N-arylthiourea and triphenyl phosphite whereas Tcm[ValP (OPh)2 ]2 by the condensations of aldehydes, thiourea, and triphenyl phosphite. The prepared, racemic (±)-Atc-AAP (OPh)2 [(±)-Ptc-ValP (OPh)2 , (±)-Ptc-LeuP (OPh)2 , (±)-Ptc-PglyP (OPh)2 and (±)-Ntc-PglyP (OPh)2 ] and racemic (±)-Tcm[AAP (OPh)2 ]2 [(±)-Tcm[NvaP (OPh)2 ]2 & (±)-Tcm[ValP (OPh)2 ]2 ] were adequately characterized and used for chromatographic separations on high-performance liquid chromatography-chiral stationary phases. The best results were obtained for (±)-Ptc-ValP (OPh)2 , (±)-Ptc-LeuP (OPh)2 and (±)-Tcm[ValP (OPh)2 ]2 .
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Affiliation(s)
- Józef Drabowicz
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Warsaw, Poland
- Department of Chemistry and Environment Protection, Jan Dlugosz University, Czestochowa, Poland
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13
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Wang J, Jiang XX, Zhao W, Hu J, Guan QY, Xu JJ, Chen HY. On-line Identification of chiral ofloxacin in milk with an extraction/ionization device coupled to Electrospray Mass Spectrometry. Talanta 2017; 171:190-196. [DOI: 10.1016/j.talanta.2017.04.071] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 04/26/2017] [Accepted: 04/30/2017] [Indexed: 01/18/2023]
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14
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Moldovan RC, Bodoki E, Servais AC, Crommen J, Oprean R, Fillet M. (+) or (-)-1-(9-fluorenyl)ethyl chloroformate as chiral derivatizing agent: A review. J Chromatogr A 2017; 1513:1-17. [PMID: 28756893 DOI: 10.1016/j.chroma.2017.07.045] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Revised: 07/10/2017] [Accepted: 07/12/2017] [Indexed: 11/25/2022]
Abstract
Over the last 30years, (±)-1-(9-fluorenyl)ethyl chloroformate ((±)-FLEC) was used as a chiral derivatizing agent in various analytical applications involving a wide range of endogenous, pharmaceutical and environmentally relevant molecules. This comprehensive review aims to present all the significant aspects related to the state of the art in FLEC labeling and subsequent chiral separation of the resulting diastereomers using LC, SFC and CE techniques.
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Affiliation(s)
- Radu-Cristian Moldovan
- Laboratory for the Analysis of Medicines, Department of Pharmacy, Faculty of Medicine, CIRM, University of Liege,Avenue Hippocrate 15, B36-+3-T4, 4000 Liege, Belgium; Department of Analytical Chemistry and Instrumental Analysis, Faculty of Pharmacy, "Iuliu Hațieganu" University of Medicine and Pharmacy Cluj-Napoca,4 Louis Pasteur street, 400349 Cluj-Napoca, Romania
| | - Ede Bodoki
- Department of Analytical Chemistry and Instrumental Analysis, Faculty of Pharmacy, "Iuliu Hațieganu" University of Medicine and Pharmacy Cluj-Napoca,4 Louis Pasteur street, 400349 Cluj-Napoca, Romania
| | - Anne-Catherine Servais
- Laboratory for the Analysis of Medicines, Department of Pharmacy, Faculty of Medicine, CIRM, University of Liege,Avenue Hippocrate 15, B36-+3-T4, 4000 Liege, Belgium
| | - Jacques Crommen
- Laboratory for the Analysis of Medicines, Department of Pharmacy, Faculty of Medicine, CIRM, University of Liege,Avenue Hippocrate 15, B36-+3-T4, 4000 Liege, Belgium
| | - Radu Oprean
- Department of Analytical Chemistry and Instrumental Analysis, Faculty of Pharmacy, "Iuliu Hațieganu" University of Medicine and Pharmacy Cluj-Napoca,4 Louis Pasteur street, 400349 Cluj-Napoca, Romania
| | - Marianne Fillet
- Laboratory for the Analysis of Medicines, Department of Pharmacy, Faculty of Medicine, CIRM, University of Liege,Avenue Hippocrate 15, B36-+3-T4, 4000 Liege, Belgium.
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15
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Vargas-Caporali J, Juaristi E. Fundamental Developments of Chiral Phase Chromatography in Connection with Enantioselective Synthesis of β-Amino Acids. Isr J Chem 2017. [DOI: 10.1002/ijch.201700011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Jorge Vargas-Caporali
- Departamento de Química; Centro de Investigación y de Estudios Avanzados, Instituto Politécnico Nacional Avenida IPN No. 2508; 07360 Ciudad de México México
| | - Eusebio Juaristi
- Departamento de Química; Centro de Investigación y de Estudios Avanzados, Instituto Politécnico Nacional Avenida IPN No. 2508; 07360 Ciudad de México México
- El Colegio Nacional; Luis González Obregón No. 23, Centro Histórico 06020 Ciudad de México México
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16
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Ghasemi F, Hormozi-Nezhad MR, Mahmoudi M. Time-Resolved Visual Chiral Discrimination of Cysteine Using Unmodified CdTe Quantum Dots. Sci Rep 2017; 7:890. [PMID: 28420870 PMCID: PMC5429850 DOI: 10.1038/s41598-017-00983-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 03/17/2017] [Indexed: 11/24/2022] Open
Abstract
Herein, we demonstrate a simple yet novel luminescence assay for visual chiral discrimination of cysteine. Thioglycolic acid (TGA)-capped cadmium-telluride (CdTe) quantum dots (QDs) exposing green emission were directly synthesized in aqueous solution. The interaction between cysteine molecules and CdTe QDs induced the aggregation of QDs via hydrogen bonding. As a result of electronic coupling within these aggregates, a redshift both in the absorption and emission spectra of QDs occured. The difference in the kinetics of the interactions between L- and D-cysteine with CdTe QDs led to chiral recognition of these enantiomers. Addition of D-cysteine to CdTe QDs in a basic media caused a green-to-yellow color change, while no color alteration in QDs emission was observed in the presence of L-cysteine after 2 hours. Notably, the QDs used in the proposed assay are free from any labling/modification, which makes the present strategy highly attractive for sensing applications. Furthermore, the presented chiral assay is able to determine the enantiomeric excess (ee) of D-cysteine in the whole range of ee values (from -100% to 100%).
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Affiliation(s)
- Forough Ghasemi
- Department of Chemistry, Sharif University of Technology, Tehran, 11155-9516, Iran
| | - M Reza Hormozi-Nezhad
- Department of Chemistry, Sharif University of Technology, Tehran, 11155-9516, Iran.
- Institute for Nanoscience and Nanotechnology, Sharif University of Technology, Tehran, Iran.
| | - Morteza Mahmoudi
- Department of Nanotechnology and Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, 13169-43551, Iran.
- Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, 02115, United States.
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17
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Grecsó N, Forró E, Fülöp F, Péter A, Ilisz I, Lindner W. Combinatorial effects of the configuration of the cationic and the anionic chiral subunits of four zwitterionic chiral stationary phases leading to reversal of elution order of cyclic β-amino acid enantiomers as ampholytic model compounds. J Chromatogr A 2016; 1467:178-187. [DOI: 10.1016/j.chroma.2016.05.041] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 05/04/2016] [Accepted: 05/11/2016] [Indexed: 01/19/2023]
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18
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Lemaire J, Blanc CL, Lutin F, Théoleyre MA, Stambouli M, Pareau D. Purification of organic acids by chromatography with strong anionic resins: Investigation of uptake mechanisms. J Chromatogr A 2016; 1458:63-9. [PMID: 27373374 DOI: 10.1016/j.chroma.2016.06.057] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 06/15/2016] [Accepted: 06/16/2016] [Indexed: 10/21/2022]
Abstract
Bio-based organic acids are promising renewable carbon sources for the chemical industry. However energy-consuming purification processes are used, like distillation or crystallization, to reach high purities required in some applications. That is why preparative chromatography was studied as an alternative separation technique. In a previous work dealing with the purification of lactic, succinic and citric acids, the Langmuir model was insufficient to explain the elution profiles obtained with a strong anionic resin. Consequently the Langmuir model was coupled with a usual ion-exchange model to take into account the retention of their conjugate bases (<2%), which are commonly neglected at low pH (<1.5). Elution simulations with both uptake mechanisms fitted very well with experimental pulse tests. Only two parameters were optimized (equilibrium constant of acid uptake and ion-exchange selectivity coefficient of conjugate base) and their value were coherent with experimental and resin suppliers' data. These results confirmed that the singular tailing and apparent delay observed with succinic and citric acids can be explained by the high affinity of succinate and citrate for resin cationic sites. The model was implemented in a preparative chromatography simulation program in order to optimize operating parameters of our pilot-scale ISMB unit (Improved Simulated Moving Bed). The comparison with experimental ISMB profiles was conclusive.
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Affiliation(s)
- Julien Lemaire
- LGPM, CentraleSupélec, Université Paris-Saclay, SFR Condorcet FR CNRS 3417, Centre Européen de Biotechnologie et de Bioéconomie (CEBB), 3 rue des Rouges-Terres, 51110 Pomacle, France.
| | - Claire-Line Blanc
- LGPM, CentraleSupélec, Université Paris-Saclay, SFR Condorcet FR CNRS 3417, Centre Européen de Biotechnologie et de Bioéconomie (CEBB), 3 rue des Rouges-Terres, 51110 Pomacle, France; Eurodia Industrie, ZAC Saint Martin, Impasse Saint Martin, 84120 Pertuis, France
| | - Florence Lutin
- Eurodia Industrie, ZAC Saint Martin, Impasse Saint Martin, 84120 Pertuis, France
| | - Marc-André Théoleyre
- LGPM, CentraleSupélec, Université Paris-Saclay, SFR Condorcet FR CNRS 3417, Centre Européen de Biotechnologie et de Bioéconomie (CEBB), 3 rue des Rouges-Terres, 51110 Pomacle, France
| | - Moncef Stambouli
- LGPM, CentraleSupélec, Université Paris-Saclay, SFR Condorcet FR CNRS 3417, Centre Européen de Biotechnologie et de Bioéconomie (CEBB), 3 rue des Rouges-Terres, 51110 Pomacle, France
| | - Dominique Pareau
- LGPM, CentraleSupélec, Université Paris-Saclay, SFR Condorcet FR CNRS 3417, Centre Européen de Biotechnologie et de Bioéconomie (CEBB), 3 rue des Rouges-Terres, 51110 Pomacle, France
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19
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Ilisz I, Péter A, Lindner W. State-of-the-art enantioseparations of natural and unnatural amino acids by high-performance liquid chromatography. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2016.01.016] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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20
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Shahangi F, Najafi Chermahini A, Farrokhpour H, Dabbagh HA. Enantiomeric discrimination of leucine enantiomers by nanotubular cyclic peptides: DFT and ONIOM calculation of the absorption spectra of guested enantiomers. J INCL PHENOM MACRO 2016. [DOI: 10.1007/s10847-016-0632-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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21
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Akgönüllü S, Yavuz H, Denizli A. Preparation of imprinted cryogel cartridge for chiral separation of l-phenylalanine. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2016; 45:800-807. [PMID: 27132947 DOI: 10.1080/21691401.2016.1175445] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
l-Phe-imprinted cryogel cartridge was prepared for the chiral separation of l-Phe. N-Methacryloyl l-phenylalanine (MAPA) was used as a functional monomer for complexing with l-Phe. The selectivity of the membranes was investigated by using d-Phe, l-Trp, and d-Trp as competitor molecules. The PHEMAPA-l-Trp membranes were 6.4, 4.3, and 5.5 times more selective for l-Phe than d-Phe, l-Trp, and d-Trp, respectively. The PHEMAPA-l-Phe cryogel cartridge was incorporated into the fast protein liquid chromatography (FPLC) equipment and was able to separate D,l-Phe racemic mixture efficiently. The PHEMAPA-l-Phe membranes were shown to be reusable many times without significant loss of the adsorption capacity.
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Affiliation(s)
- Semra Akgönüllü
- a Department of Chemistry , Hacettepe University , Beytepe , Ankara , Turkey
| | - Handan Yavuz
- a Department of Chemistry , Hacettepe University , Beytepe , Ankara , Turkey
| | - Adil Denizli
- a Department of Chemistry , Hacettepe University , Beytepe , Ankara , Turkey
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22
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Lajkó G, Orosz T, Kiss L, Forró E, Fülöp F, Péter A, Ilisz I. High-performance liquid chromatographic enantioseparation of fluorinated cyclicβ3-amino acid derivatives on polysaccharide-based chiral stationary phases. Comparison with nonfluorinated counterparts. Biomed Chromatogr 2016; 30:1441-8. [DOI: 10.1002/bmc.3702] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 02/02/2016] [Accepted: 02/05/2016] [Indexed: 01/22/2023]
Affiliation(s)
- Gyula Lajkó
- Department of Inorganic and Analytical Chemistry; University of Szeged; H-6720 Szeged Dóm tér 7 Hungary
- Institute of Pharmaceutical Chemistry and Research Group for Stereochemistry, Hungarian Academy of Sciences; University of Szeged; H-6720 Szeged Eötvös u. 6 Hungary
| | - Tímea Orosz
- Department of Inorganic and Analytical Chemistry; University of Szeged; H-6720 Szeged Dóm tér 7 Hungary
| | - Lóránd Kiss
- Institute of Pharmaceutical Chemistry and Research Group for Stereochemistry, Hungarian Academy of Sciences; University of Szeged; H-6720 Szeged Eötvös u. 6 Hungary
| | - Enikő Forró
- Institute of Pharmaceutical Chemistry and Research Group for Stereochemistry, Hungarian Academy of Sciences; University of Szeged; H-6720 Szeged Eötvös u. 6 Hungary
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry and Research Group for Stereochemistry, Hungarian Academy of Sciences; University of Szeged; H-6720 Szeged Eötvös u. 6 Hungary
| | - Antal Péter
- Department of Inorganic and Analytical Chemistry; University of Szeged; H-6720 Szeged Dóm tér 7 Hungary
| | - István Ilisz
- Department of Inorganic and Analytical Chemistry; University of Szeged; H-6720 Szeged Dóm tér 7 Hungary
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23
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Myrgorodska I, Meinert C, Martins Z, le Sergeant d’Hendecourt L, Meierhenrich UJ. Quantitative enantioseparation of amino acids by comprehensive two-dimensional gas chromatography applied to non-terrestrial samples. J Chromatogr A 2016; 1433:131-6. [DOI: 10.1016/j.chroma.2016.01.014] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 01/05/2016] [Accepted: 01/06/2016] [Indexed: 11/28/2022]
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24
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Min Y, Sui Z, Liang Z, Zhang L, Zhang Y. Teicoplanin bonded sub-2 μm superficially porous particles for enantioseparation of native amino acids. J Pharm Biomed Anal 2015; 114:247-53. [PMID: 26073115 DOI: 10.1016/j.jpba.2015.05.035] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 05/28/2015] [Accepted: 05/29/2015] [Indexed: 11/30/2022]
Abstract
Superficially porous particles (SPPs) demonstrate superior efficiency than totally porous particles in chiral separations. In order to obtain high efficiency and fast separation, sub-2 μm SPPs with high surface area are synthesized, and with teicoplanin bonded, such materials are successfully applied into the rapid enantioseparation of native amino acids. In brief, 1.27 ± 0.06 μm nonporous silica particles are prepared by a modified seeded growth method, followed by mesoporous shell fabrication via one-pot templated dissolution and redeposition strategy, and pore size expansion via acid-refluxing. The diameter of the formed SPPs is 1.49 ± 0.04 μm, with the shell thickness as 206 nm. Nitrogen physisorption experiments show that the Brunauer-Emmett-Teller (BET) specific surface area is 213.6 m(2)/g and pore size is 9 nm. After teicoplanin derivatization with bonding capacity as 83.3 μmol/g, the prepared chiral stationary phase is packed into a stainless steel tube with the geometry of 50 mm × 2.1 mm i.d.. In less than 6.4 min, six native amino acids (norleucine, alanine, valine, methionine, leucine, norvaline) are enantioseparated with resolution factors ranging from 1.9 to 5.0. Besides, the resolution for chiral separation is improved with ethanol-water instead of methanol-water as the mobile phase. Moreover, the low temperature gives higher resolution, but longer retention time and higher backpressure. Finally, the effect of flow rate on enantiomeric separation is studied and fast chiral separation within 1 min is obtained with flow rate of 0.4 mL/min. All these results show that the synthesized teicoplanin bonded sub-2 μm SPPs have great potential to achieve the enantioseparation of native amino acids with high resolution and rapid speed.
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Affiliation(s)
- Yi Min
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, National Chromatographic R. & A. Center, Dalian 116023, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhigang Sui
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, National Chromatographic R. & A. Center, Dalian 116023, China
| | - Zhen Liang
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, National Chromatographic R. & A. Center, Dalian 116023, China
| | - Lihua Zhang
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, National Chromatographic R. & A. Center, Dalian 116023, China.
| | - Yukui Zhang
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, National Chromatographic R. & A. Center, Dalian 116023, China
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25
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Ilisz I, Gecse Z, Lajkó G, Forró E, Fülöp F, Lindner W, Péter A. High-Performance Liquid Chromatographic Enantioseparation of Cyclic β
-Amino Acids on Zwitterionic Chiral Stationary Phases Based on Cinchona
Alkaloids. Chirality 2015; 27:563-70. [DOI: 10.1002/chir.22458] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 04/08/2015] [Accepted: 04/08/2015] [Indexed: 12/16/2022]
Affiliation(s)
- István Ilisz
- Department of Inorganic and Analytical Chemistry; University of Szeged; Szeged Hungary
| | - Zsanett Gecse
- Department of Inorganic and Analytical Chemistry; University of Szeged; Szeged Hungary
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged Hungary
| | - Gyula Lajkó
- Department of Inorganic and Analytical Chemistry; University of Szeged; Szeged Hungary
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged Hungary
| | - Enikõ Forró
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged Hungary
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged Hungary
| | - Wolfgang Lindner
- Department of Analytical Chemistry; University of Vienna; Vienna Austria
| | - Antal Péter
- Department of Inorganic and Analytical Chemistry; University of Szeged; Szeged Hungary
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26
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High-performance liquid chromatographic enantioseparation of unusual amino acid derivatives with axial chirality on polysaccharide-based chiral stationary phases. J Chromatogr A 2015; 1390:78-85. [DOI: 10.1016/j.chroma.2015.02.055] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 01/20/2015] [Accepted: 02/17/2015] [Indexed: 11/18/2022]
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27
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Remelli M, Pozzati G, Conato C. Direct chiral resolution of underivatized amino acids on a stationary phase dynamically modified with the ion-exchanger N
τ
-decyl-l
-spinacine. J Sep Sci 2015; 38:894-900. [DOI: 10.1002/jssc.201401381] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Revised: 12/19/2014] [Accepted: 12/22/2014] [Indexed: 11/06/2022]
Affiliation(s)
- Maurizio Remelli
- Dipartimento di Scienze Chimiche e Farmaceutiche; Università di Ferrara; Ferrara Italy
| | - Giovanni Pozzati
- Dipartimento di Scienze Chimiche e Farmaceutiche; Università di Ferrara; Ferrara Italy
| | - Chiara Conato
- Dipartimento di Scienze Chimiche e Farmaceutiche; Università di Ferrara; Ferrara Italy
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28
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Zhou J, Tang J, Tang W. Recent development of cationic cyclodextrins for chiral separation. Trends Analyt Chem 2015. [DOI: 10.1016/j.trac.2014.10.009] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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29
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Wu E, Kim KT, Adidi SK, Lee YK, Cho JW, Lee W, Kang JS. Enantioseparation and chiral recognition of α-amino acids and their derivatives on (−)-18-crown-6-tetracarboxylic acid bonded silica by capillary electrochromatography. Arch Pharm Res 2014; 38:1499-505. [DOI: 10.1007/s12272-014-0507-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Accepted: 10/19/2014] [Indexed: 11/24/2022]
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30
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Wang W, Ma L, Yao F, Lin X, Xu K. High-speed separation and detection of amino acids in laver using a short capillary electrophoresis system. Electrophoresis 2014; 36:335-40. [DOI: 10.1002/elps.201400246] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Revised: 08/27/2014] [Accepted: 09/05/2014] [Indexed: 11/06/2022]
Affiliation(s)
- Wei Wang
- Key Lab of Analysis and Detection for Food Safety of Ministry of Education; Fujian Provincial; Key Lab of Analysis and Detection for Food Safety; Department of Chemistry; Fuzhou University; Fuzhou Fujian P. R. China
| | - Lihong Ma
- Key Lab of Analysis and Detection for Food Safety of Ministry of Education; Fujian Provincial; Key Lab of Analysis and Detection for Food Safety; Department of Chemistry; Fuzhou University; Fuzhou Fujian P. R. China
| | - Fenzeng Yao
- Key Lab of Analysis and Detection for Food Safety of Ministry of Education; Fujian Provincial; Key Lab of Analysis and Detection for Food Safety; Department of Chemistry; Fuzhou University; Fuzhou Fujian P. R. China
| | - Xiuli Lin
- Key Lab of Analysis and Detection for Food Safety of Ministry of Education; Fujian Provincial; Key Lab of Analysis and Detection for Food Safety; Department of Chemistry; Fuzhou University; Fuzhou Fujian P. R. China
| | - Kaixuan Xu
- Key Lab of Analysis and Detection for Food Safety of Ministry of Education; Fujian Provincial; Key Lab of Analysis and Detection for Food Safety; Department of Chemistry; Fuzhou University; Fuzhou Fujian P. R. China
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31
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Method development and optimization on cinchona and chiral sulfonic acid–based zwitterionic stationary phases for enantiomer separations of free amino acids by high-performance liquid chromatography. J Chromatogr A 2014; 1363:191-9. [DOI: 10.1016/j.chroma.2014.06.012] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Revised: 06/02/2014] [Accepted: 06/03/2014] [Indexed: 02/02/2023]
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32
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Batra S, Bhushan R. ENANTIORESOLUTION OF (RS)-BUPROPION BY REVERSED-PHASE HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY USING CYANURIC CHLORIDE BASED CHIRAL DERIVATIZING REAGENTS HAVING AMINO ACIDS AS CHIRAL AUXILIARIES. J LIQ CHROMATOGR R T 2014. [DOI: 10.1080/10826076.2013.850722] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Sonika Batra
- a Department of Chemistry , Indian Institute of Technology Roorkee , Roorkee , India
| | - Ravi Bhushan
- a Department of Chemistry , Indian Institute of Technology Roorkee , Roorkee , India
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33
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Ilisz I, Pataj Z, Gecse Z, Szakonyi Z, Fülöp F, Lindner W, Péter A. Unusual Temperature-Induced Retention Behavior of Constrained β-Amino Acid Enantiomers on the Zwitterionic Chiral Stationary Phases ZWIX(+) and ZWIX(-). Chirality 2014; 26:385-93. [DOI: 10.1002/chir.22333] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Revised: 03/24/2014] [Accepted: 03/25/2014] [Indexed: 12/31/2022]
Affiliation(s)
- István Ilisz
- Department of Inorganic and Analytical Chemistry; University of Szeged; Szeged Hungary
| | - Zoltán Pataj
- Department of Inorganic and Analytical Chemistry; University of Szeged; Szeged Hungary
| | - Zsanett Gecse
- Department of Inorganic and Analytical Chemistry; University of Szeged; Szeged Hungary
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged Hungary
| | - Zsolt Szakonyi
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged Hungary
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged Hungary
| | - Wolfgang Lindner
- Department of Analytical Chemistry; University of Vienna; Vienna Austria
| | - Antal Péter
- Department of Inorganic and Analytical Chemistry; University of Szeged; Szeged Hungary
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34
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Zhang T, Holder E, Franco P, Lindner W. Zwitterionic chiral stationary phases based on cinchona and chiral sulfonic acids for the direct stereoselective separation of amino acids and other amphoteric compounds. J Sep Sci 2014; 37:1237-47. [DOI: 10.1002/jssc.201400149] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Revised: 03/10/2014] [Accepted: 03/10/2014] [Indexed: 11/09/2022]
Affiliation(s)
- Tong Zhang
- Chiral Technologies Europe; Bd. Gonthier d’Andernach; Illkirch France
| | - Emilie Holder
- Chiral Technologies Europe; Bd. Gonthier d’Andernach; Illkirch France
| | - Pilar Franco
- Chiral Technologies Europe; Bd. Gonthier d’Andernach; Illkirch France
| | - Wolfgang Lindner
- Department of Analytical Chemistry; University of Vienna; Vienna Austria
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35
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Martínez-Acedo P, Gupta V, Carroll KS. Proteomic analysis of peptides tagged with dimedone and related probes. JOURNAL OF MASS SPECTROMETRY : JMS 2014; 49:257-65. [PMID: 24719340 PMCID: PMC4070747 DOI: 10.1002/jms.3336] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Revised: 01/09/2014] [Accepted: 01/13/2014] [Indexed: 05/04/2023]
Abstract
Owing to its labile nature, a new role for cysteine sulfenic acid (-SOH) modification has emerged. This oxidative modification modulates protein function by acting as a redox switch during cellular signaling. The identification of proteins that undergo this modification represents a methodological challenge, and its resolution remains a matter of current interest. The development of strategies to chemically modify cysteinyl-containing peptides for liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis has increased significantly within the past decade. The method of choice to selectively label sulfenic acid is based on the use of dimedone or its derivatives. For these chemical probes to be effective on a proteome-wide level, their reactivity toward -SOH must be high to ensure reaction completion. In addition, the presence of an adduct should not interfere with electrospray ionization, the efficiency of induced dissociation in MS/MS experiments or with the identification of Cys-modified peptides by automated database searching algorithms. Herein, we employ a targeted proteomics approach to study the electrospray ionization and fragmentation effects of different -SOH specific probes and compared them to commonly used alkylating agents. We then extend our study to a whole proteome extract using shotgun proteomic approaches. These experiments enable us to demonstrate that dimedone adducts do not interfere with electrospray by suppressing the ionization nor impede product ion assignment by automated search engines, which detect a + 138 Da increase from unmodified peptides. Collectively, these results suggest that dimedone can be a powerful tool to identify sulfenic acid modifications by high-throughput shotgun proteomics of a whole proteome.
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36
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Pataj Z, Ilisz I, Gecse Z, Szakonyi Z, Fülöp F, Lindner W, Péter A. Effect of mobile phase composition on the liquid chromatographic enantioseparation of bulky monoterpene-based β-amino acids by applying chiral stationary phases based onCinchonaalkaloid. J Sep Sci 2014; 37:1075-82. [DOI: 10.1002/jssc.201400078] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2014] [Revised: 02/19/2014] [Accepted: 02/19/2014] [Indexed: 11/09/2022]
Affiliation(s)
- Zoltán Pataj
- Department of Inorganic and Analytical Chemistry; University of Szeged; Szeged Hungary
| | - István Ilisz
- Department of Inorganic and Analytical Chemistry; University of Szeged; Szeged Hungary
| | - Zsanett Gecse
- Department of Inorganic and Analytical Chemistry; University of Szeged; Szeged Hungary
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged Hungary
| | - Zsolt Szakonyi
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged Hungary
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry; University of Szeged; Szeged Hungary
| | - Wolfgang Lindner
- Department of Analytical Chemistry; University of Vienna; Vienna Austria
| | - Antal Péter
- Department of Inorganic and Analytical Chemistry; University of Szeged; Szeged Hungary
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37
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Biermann M, Bardl B, Vollstädt S, Linnemann J, Knüpfer U, Seidel G, Horn U. Simultaneous analysis of the non-canonical amino acids norleucine and norvaline in biopharmaceutical-related fermentation processes by a new ultra-high performance liquid chromatography approach. Amino Acids 2013; 44:1225-31. [PMID: 23306451 PMCID: PMC3597275 DOI: 10.1007/s00726-013-1459-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2012] [Accepted: 01/02/2013] [Indexed: 11/20/2022]
Abstract
In this study, a precise and reliable ultra-high performance liquid chromatography (UHPLC) method for the simultaneous determination of non-canonical (norvaline and norleucine) and standard amino acids (aspartic acid, glutamic acid, serine, histidine, glycine, threonine, arginine, tyrosine, methionine, valine, phenylalanine, isoleucine, leucine) in biopharmaceutical-related fermentation processes was established. After pre-column derivatization with ortho-phthaldialdehyde and 2-mercaptoethanol, the derivatives were separated on a sub-2 μm particle C18 reverse-phase column. Identification and quantification of amino acids were carried out by fluorescence detection. To test method feasibility on standard HPLC instruments, the assay was properly transferred to a core-shell particle C18 reverse-phase column. The limits of detection showed excellent sensitivity by values from 0.06 to 0.17 pmol per injection and limits of quantification between 0.19 and 0.89 pmol. In the present study, the newly established UHPLC method was applied to a recombinant antibody Escherichia coli fermentation process for the analysis of total free amino acids. We were able to specifically detect and quantify the unfavorable amino acids in such complex samples. Since we observed trace amounts of norvaline and norleucine during all fermentation phases, an obligatory process monitoring should be considered to improve quality of recombinant protein drugs in future.
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Affiliation(s)
- Michael Biermann
- Leibniz-Institute for Natural Product Research and Infection Biology (HKI), Beutenbergstrasse 11a, 07745, Jena, Germany.
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38
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Recent advances in on-line concentration and separation of amino acids using capillary electrophoresis. Anal Bioanal Chem 2013; 405:7919-30. [DOI: 10.1007/s00216-013-6906-1] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Revised: 02/23/2013] [Accepted: 03/08/2013] [Indexed: 11/25/2022]
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