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Cheng XD, Zhang Z, Dai XX, Li YP. Retention behavior of nucleosides and nucleobases on a 3 μm undecylenic acid-functionalized silica column in per aqueous liquid chromatography and hydrophilic interaction liquid chromatography separation modes. J Chromatogr A 2024; 1721:464833. [PMID: 38555828 DOI: 10.1016/j.chroma.2024.464833] [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: 01/20/2024] [Revised: 03/20/2024] [Accepted: 03/21/2024] [Indexed: 04/02/2024]
Abstract
A 3 μm undecylenic acid-functionalized stationary phase (UAS) was prepared for the separation of nucleosides and nucleobases using per aqueous liquid chromatography (PALC) and hydrophilic interaction liquid chromatography (HILIC). The retention behaviors of nucleosides and nucleobases in PALC and HILIC modes were explored by adjusting parameters such as water content, buffer concentration, pH of the mobile phase and column temperature. The experimental data and separation chromatogram demonstrated that PALC could provide retention comparable to that of HILIC for nucleosides and nucleobases. Comparative studies using diluted adenosine solutions evaluated theoretical plates and peak shape for the same retention factors (between 0.25 and 5.0) in PALC and HILIC. There was no buffer component in the mobile phases used to operate the comparisons. HILIC mode is more efficient for adenosine than PALC mode at low retention factors. It's the exact opposite phenomenon for high retention factors. It is proposed that the mass transfer of adenosine between the UAS, the water-rich layer and the ACN-rich mobile phase in HILIC is relatively slow. Given the significant use of toxic ACN in HILIC, PALC emerges as a safer and more effective alternative for separating nucleosides and nucleobases.
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Affiliation(s)
- Xiao-Dong Cheng
- School of Chemistry and Chemical Engineering, Qiannan Normal University for Nationalities, Duyun 558000, China.
| | - Zheng Zhang
- Wuhan Prevention and Treatment Center for Occupational Diseases, Wuhan 430015, China; Department of Biochemistry, Purdue University, West Lafayette, IN, USA
| | - Xue-Xin Dai
- School of Chemistry and Chemical Engineering, Qiannan Normal University for Nationalities, Duyun 558000, China
| | - Yun-Ping Li
- School of Chemistry and Chemical Engineering, Qiannan Normal University for Nationalities, Duyun 558000, China
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2
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Lai L, Zhang M, Liu C, Qu J, Xu D, Jiang Z. A comprehensive evaluation of a polymeric zwitterionic hydrophilic monolith for nucleotide separation. ANAL SCI 2024; 40:85-91. [PMID: 37843729 DOI: 10.1007/s44211-023-00430-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 09/20/2023] [Indexed: 10/17/2023]
Abstract
Rapid and effective separation of nucleotides (NTs) and their derivatives is crucial for studying their physiological functions. In this work, we comprehensively evaluated the separation ability of a zwitterionic hydrophilic monolith, i.e., poly(N,N-dimethyl-N-(3-methacrylamidopropyl)-N-(3-sulfopropyl)ammonium betaine-co-N,N'-methylenebisacrylamide) (poly(SPP-co-MBA)) for NTs analysis, including its selectivity, chemical stability under extremely basic condition and compatibility with hydrophilic interaction liquid chromatography (HILIC) coupled with mass spectrometry (HILIC-MS). The poly(SPP-co-MBA) monolith exhibited excellent chemical stability, as evidenced by the low relative standard deviation of retention time (0.16-1.05%) after 4000 consecutive injections over one month under strong alkaline elution condition (pH 10). After optimizing the separation conditions, including buffer pH and concentration, organic solvent content and column temperature, four nucleoside triphosphates, five nucleoside diphosphates and five nucleoside monophosphates were baseline separated within 7 min. Additionally, the mixtures containing one nucleoside and its corresponding mono-, di-, and triphosphates were baseline separated within only 3 min, respectively. It is good HILIC-MS compatibility was also confirmed by the satisfactory peak shape and high response of nine NTs. Overall, the proposed poly(SPP-co-MBA) monolith exhibited good mechanical stability and compatibility of HILIC-MS, making it a promising technique for NTs analysis.
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Affiliation(s)
- Liang Lai
- Institute of Pharmaceutical Analysis, College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou, 510632, China
| | - Mengyun Zhang
- Institute of Pharmaceutical Analysis, College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou, 510632, China
| | - Chusheng Liu
- Institute of Pharmaceutical Analysis, College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou, 510632, China
- Department of Clinical Laboratory, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, National Clinical Research Center for Infectious Diseases, Shenzhen, 518114, China
| | - Jiahuan Qu
- Institute of Pharmaceutical Analysis, College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou, 510632, China
| | - Dongsheng Xu
- Institute of Pharmaceutical Analysis, College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou, 510632, China.
| | - Zhengjin Jiang
- Institute of Pharmaceutical Analysis, College of Pharmacy/Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research/International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou, 510632, China.
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3
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Yu Z, Li Z, Zhang F, Yang B. A lysine and amide functionalized polymer-based polar stationary phase for hydrophilic interaction chromatography. J Chromatogr A 2023; 1708:464328. [PMID: 37666063 DOI: 10.1016/j.chroma.2023.464328] [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: 06/28/2023] [Revised: 08/23/2023] [Accepted: 08/23/2023] [Indexed: 09/06/2023]
Abstract
A novel polymer-based polar stationary phase for hydrophilic interaction chromatography (HILIC) is described. It was obtained by grafting lysine and acrylamide onto poly (glycidyl methacrylate-divinylbenzene) (GMA-DVB) microspheres via ring-opening reaction of epoxy groups and free radical polymerization with pendant double bonds of the microspheres. Multiple types of polar groups including zwitterionic (carboxylate and amine), amide and diol onto the microspheres make them highly hydrophilic. It showed typical HILIC character and good separation performance towards model polar analytes. Negligible bleed level under gradient elution mode (up to 50% fraction of water) was observed. It also exhibited specific separation selectivity to ionic analytes and simultaneous separation of anions and cations could be achieved in ideal electrostatic selectivity elution order, e.g. I-< NO3-
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Affiliation(s)
- Ziteng Yu
- Engineering Research Center of Pharmaceutical Process Chemistry, Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Zongying Li
- Engineering Research Center of Pharmaceutical Process Chemistry, Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China.
| | - Feifang Zhang
- Engineering Research Center of Pharmaceutical Process Chemistry, Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Bingcheng Yang
- Engineering Research Center of Pharmaceutical Process Chemistry, Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China.
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Cheng XD, Zhang Z, Li YP. A facile approach to undecylenic acid-functionalized stationary phases for per aqueous liquid chromatography. Anal Chim Acta 2023; 1265:341337. [PMID: 37230580 DOI: 10.1016/j.aca.2023.341337] [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: 04/10/2023] [Accepted: 05/08/2023] [Indexed: 05/27/2023]
Abstract
Green chromatography techniques using low-toxic mobile phase are getting increasingly attention in recent years. The core is developing stationary phases that possess adequate retention and separation under the mobile phase of high content water. Using thiol-ene click chemistry, an undecylenic acid-bonded silica stationary phase (UAS) was prepared in a facile manner. Elemental analysis (EA), solid-state 13C NMR spectroscopy and Fourier transform infrared spectrometry (FT-IR) confirmed the successful preparation of UAS. The synthesized UAS was employed for per aqueous liquid chromatography (PALC), which uses little organic solvent during separation. Due to the hydrophilic carboxy, thioether group and hydrophobic alkyl chains of the UAS, various categories of compounds (including nucleobases, nucleosides, organic acids and basic compounds) with different properties can achieve enhanced separation under the mobile phase of high content water compared with commercial C18 and silica stationary phases. Overall, our present UAS stationary phase shows excellent separation ability toward highly polar compounds and meets the requirements of green chromatography.
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Affiliation(s)
- Xiao-Dong Cheng
- School of Chemistry and Chemical Engineering, Qiannan Normal University for Nationalities, Duyun, 558000, China.
| | - Zheng Zhang
- Wuhan Prevention and Treatment Center for Occupational Diseases, Wuhan, 430015, China; Department of Biochemistry, Purdue University, West Lafayette, IN, USA
| | - Yun-Ping Li
- School of Chemistry and Chemical Engineering, Qiannan Normal University for Nationalities, Duyun, 558000, China
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Murakami H, Iida K, Oda Y, Umemura T, Nakajima H, Esaka Y, Inoue Y, Teshima N. Hydrophilic interaction chromatography-type sorbent prepared by the modification of methacrylate-base resin with polyethyleneimine for solid-phase extraction of polar compounds. ANAL SCI 2023; 39:375-381. [PMID: 36577893 DOI: 10.1007/s44211-022-00250-z] [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: 04/13/2022] [Accepted: 12/14/2022] [Indexed: 12/29/2022]
Abstract
Hydrophilic interaction chromatography (HILIC)-type sorbents were newly developed for the solid-phase extraction (SPE) of polar compounds. Two methacrylate-base resins with different cross-linking monomers and pore properties were synthesized, and three polyethyleneimines (PEIs) with different molecular weights were modified onto each base resin. In both cases, PEIs with a molecular weight of 10,000 (PEI-10,000) exhibited the highest adsorption properties for polar compounds (uracil, uridine, adenosine, cytidine, and guanosine). To control the water-enriched layer at the surface of the PEI-10,000-modified sorbents, the additive amount of PEI-10,000 in the modified reaction was also optimized. When 10 times the amount of PEI-10,000 to each base resin was added, an improvement in adsorption property was observed. Moreover, the use of a nonaqueous sample solution (100% acetonitrile) during the sample loading process drastically improved adsorption, especially for uracil (about 80%) and adenosine (100%). These results indicate that the formation of a strong water-enriched layer at the surface of sorbents with an effective expression of hydrophilic interaction was an important factor in the adsorption properties of polar compounds in HILIC mode-SPE.
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Affiliation(s)
- Hiroya Murakami
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota, 470-0392, Japan.
| | - Keisuke Iida
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota, 470-0392, Japan
| | - Yuki Oda
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota, 470-0392, Japan
| | - Tomonari Umemura
- School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1, Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Hizuru Nakajima
- Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Hachioji, Tokyo, 192-0397, Japan
| | - Yukihiro Esaka
- Gifu Pharmaceutical University, Daigaku-nishi, Gifu, 501-1196, Japan
| | - Yoshinori Inoue
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota, 470-0392, Japan
| | - Norio Teshima
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota, 470-0392, Japan
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Neequaye T, El Rassi Z. Poly(carboxyethyl acrylate-co-ethylene glycol dimethacrylate) precursor monolith with bonded Tris ligands for use in hydrophilic interaction capillary electrochromatography. J Chromatogr A 2023; 1695:463933. [PMID: 36966604 DOI: 10.1016/j.chroma.2023.463933] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/13/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023]
Abstract
The facile preparation of a monolithic capillary column with surface bound polar ligands for use in hydrophilic interaction capillary electrochromatography is described. It involved the conversion of poly(carboxyethyl acrylate[CEA]-co-ethylene glycol dimethacrylate[EDMA]) precursor monolith (the so-called carboxy monolith) into a Tris bonded monolith by a post-polymerization functionalization process in the presence of a water soluble carbodiimide, namely N-(3-dimethylaminopropyl)-N´-ethylcarbodiimidehydrochloride. The carbodiimide assisted conversion, allowed the covalent attachment of the carboxyl group of the precursor monolith to the amino group of the Tris ligand via a stable amide linkage. This resulted in the formation of Tris poly(CEA-co-EDMA) monolith, which exhibited the typical retention behavior of hydrophilic interaction stationary phase when analyzing polar and slightly polar neutral or charged compounds. In fact, neutral polar species such as dimethylformamide, formamide and thiourea were retained in the order of increased polarity with acetonitrile rich mobile phase. Also, neutral p-nitrophenyl maltooligosaccharides (PNP-maltooligosaccharides) served as a polar homologous series for gauging the hydrophilicity of the Tris poly(CEA-co-EDMA) monolith, thus forming a versatile testing homologous series for other hydrophilic columns. Other polar anionic species (e.g., hydroxy benzoic acids and nucleotides) and weakly polar anionic compounds (e.g., dansyl amino acids and phenoxy acid herbicides) as well as polar weak bases namely nucleobases and nucleosides were used to probe the hydrophilic characters of the Tris poly(CEA-co-EDMA) monolith. The various polar and weakly polar compounds just mentioned revealed the wide potentiality of the hydrophilic interaction column under investigation.
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7
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Factors affecting mixed-mode retention properties of cation-exchange stationary phases. J Chromatogr A 2023; 1695:463934. [PMID: 36972662 DOI: 10.1016/j.chroma.2023.463934] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 03/07/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023]
Abstract
Cation-exchange stationary phases were characterized in different chromatographic modes (HILIC, RPLC, IC) and applied to the separation of non-charged hydrophobic and hydrophilic analytes. The set of columns under investigation included both commercially available cation-exchangers and self-prepared PS/DVB-based columns, the latter consisting of adjustable amounts of carboxylic and sulfonic acid functional groups. The influence of cation-exchange site and polymer substrate on the multimodal properties of cation-exchangers was identified using selectivity parameters, polymer imaging and excess adsorption isotherms. Introducing weakly acidic cation-exchange functional groups to the unmodified PS/DVB-substrate effectively reduced hydrophobic interactions, whilst a low degree of sulfonation (0.09 to 0.27% w/w sulphur) mainly influenced electrostatic interactions. Silica substrate was found to be another important factor for inducing hydrophilic interactions. The presented results demonstrate that cation-exchange resins are suitable for mixed-mode applications and offer versatile selectivity.
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Law AS, Hafen PS, Brault JJ. Liquid chromatography method for simultaneous quantification of ATP and its degradation products compatible with both UV-Vis and mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2022; 1206:123351. [PMID: 35797802 PMCID: PMC9479163 DOI: 10.1016/j.jchromb.2022.123351] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 05/20/2022] [Accepted: 06/21/2022] [Indexed: 10/17/2022]
Abstract
ATP and its degradation products are essential metabolic and signaling molecules. Traditionally, they have been quantified via high-performance liquid chromatography (HPLC) with UV-Vis detection while utilizing phosphate buffer mobile phase, but this approach is incompatible with modern mass detection. The goal of this study was to develop an ultra-performance liquid chromatography (UPLC) method free of phosphate buffer, to allow for analysis of adenine nucleotides with UV-Vis and mass spectrometry (MS) simultaneously. The final conditions used an Acquity HSS T3 premier column with a volatile ammonium acetate buffer to successfully separate and quantify ATP-related analytes in a standard mixture and in extracts from non-contracted and contracted mouse hindlimb muscles. Baseline resolution was achieved with all 10 metabolites, and a lower limit of quantification down to 1 pmol per inject was observed for most metabolites using UV-Vis. Therefore, this method allows for the reliable quantification of adenine nucleotides and their degradation products via UV-Vis and their confirmation and/or identification of unknown peaks via MS.
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Affiliation(s)
- Andrew S Law
- Indiana Center for Musculoskeletal Health, Department of Anatomy, Cell Biology & Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Paul S Hafen
- Indiana Center for Musculoskeletal Health, Department of Anatomy, Cell Biology & Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Jeffrey J Brault
- Indiana Center for Musculoskeletal Health, Department of Anatomy, Cell Biology & Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
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9
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Lan C, Zhao B, Yang L, Zhou Y, Guo S, Zhang X, Zhang J. Determination of UDP-Glucose and UDP-Galactose in Maize by Hydrophilic Interaction Liquid Chromatography and Tandem Mass Spectrometry. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2022; 2022:7015311. [PMID: 35800972 PMCID: PMC9256458 DOI: 10.1155/2022/7015311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/06/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
Nucleotide sugars, the activated forms of monosaccharides, are important intermediates of carbohydrate metabolism in all organisms. Here, we describe a method for the detection and quantification of UDP-glucose and UDP-galactose in maize in order to compare their metabolism in both wild-type and mutated plants. Triple quadrupole operating in a multiple reaction monitoring mode was used to quantify nucleotide sugars. The limits of detection for UDP-glucose and UDP-galactose were 0.50 and 0.70 ng·mL-1, respectively. The recoveries of the method ranged from 98.3% to 103.6% with the relative standard deviations less than 6.3%. To prove the applicability of this method, we analyzed several sets of maize extracts obtained from different cultivars grown under standardized greenhouse conditions. All the results demonstrated the suitability of the developed method to quantify UDP-glucose and UDP-galactose in maize extracts.
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Affiliation(s)
- Chen Lan
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Bing Zhao
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Lu Yang
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Yusen Zhou
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Siyi Guo
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Xuebin Zhang
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Junli Zhang
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng 475004, China
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10
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Effect of phenyl numbers in polyphenyl ligand on retention properties of aromatic stationary phases. J Chromatogr A 2022; 1674:463152. [PMID: 35597197 DOI: 10.1016/j.chroma.2022.463152] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/11/2022] [Accepted: 05/13/2022] [Indexed: 11/23/2022]
Abstract
Aromatic phase, as one type of reversed-phase stationary phases, shows complementary selectivity to the n-alkyl counterparts especially for certain challenging separation tasks. However, effect of phenyl numbers in aromatic ligands on retention behaviors has rarely been addressed compared with the alkyl stationary phases. To illustrate the issue, a series of polyphenyl stationary phases were facially prepared via the coupling chemistry of isocyanate with amine, including aniline (π1), 4-aminobiphenyl (π2), 4-amino-p-terphenyl (π3) and [1,1':4',1'':4'',1'''-quaterphenyl]-4-amine (π4), respectively. The chromatographic behaviors of the new stationary phases as well as the traditional C18 were systematically compared in terms of retention mode, hydrophobic and aromatic selectivity, shape selectivity and π-π interaction by various analytes, including alkylbenzenes, polycyclic aromatic hydrocarbons congeners and substituted benzenes with electron-withdrawing groups. Due to the homologous structure of four polyphenyl ligands, the hydrophobic selectivity, aromatic selectivity and shape selectivity of stationary phases increase with phenyl numbers in the bonded polyphenyl ligands, whereas the increment becomes insignificant from U-π3 to U-π4. This phenomenon is explained by the insertion degree of analytes in the polyphenyl ligand brushes. Compared with the homemade C18, the polyphenyl phases indicate insignificant changes of shape selectivity with temperature. Notably, the new polyphenyl phases demonstrate the great selective separation towards the electron-deficient compounds through the π-π interaction. These findings make up for the understanding of the retention behavior of aromatic stationary phases.
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A new ionic liquid bridged periodic mesoporous organosilicas stationary phase for per aqueous liquid chromatography and its application in the detection of biogenic amines. Talanta 2021; 235:122795. [PMID: 34517653 DOI: 10.1016/j.talanta.2021.122795] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/04/2021] [Accepted: 08/06/2021] [Indexed: 10/20/2022]
Abstract
In order to solve the problems of using a large proportion of acetonitrile on the hydrophilic interaction liquid chromatography (HILIC) columns that was not environmentally friendly, and the poor acid and base resistance of traditional bonded silica columns, we reported a novel stationary phase of Au nanoparticles (Au NPs) covalently bonded to ionic liquid (ILs) bridged periodic mesoporous organosilicas (PMO) hydrophilic microspheres (PMO-ILs-Au NPs) for per aqueous liquid chromatography (PALC). The PMO hydrophilic microspheres were prepared by condensation of 1,3-bis(trimethoxysilylpropyl)imidazoliumchloride and 1, 2-Bis (triethoxysilyl) ethane and then modified with Au NPs the surface. The obtained materials were characterized by elemental analysis, FT-IR spectra, scanning electron microscope and transmission electron microscopy. The retention behavior was evaluated by investigating the effect of various chromatographic factors on the retention of different types of solutes. The retention mechanism of the stationary phases in PALC was a mixed type of anion-exchange and hydrophobic interaction. Compared with C18-SiO2 column, the acid and base resistance of the stationary phase were greatly improved. Compared with the HILIC column and C18 column, some hydrophilic compounds such as six organic acids and eight biogenic amines were baseline separated with the enhanced resolution of the PMO-ILs-Au NPs column under the PALC mode. The efficiency of the new column was significantly higher than that of the HILIC column. Furthermore, the analysis of PALC-triple quadrupole mass spectrometry was developed for simultaneous detection of eight biogenic amines. This method could improve detection efficiency, save reagent and reduce environmental pollution. PALC as a green chromatography analytical method was suitable for the replacement of HILIC.
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Novel hydrophilic-phase extraction, HILIC and high-resolution MS quantification of an RNA oligonucleotide in plasma. Bioanalysis 2021; 14:47-62. [PMID: 34779651 DOI: 10.4155/bio-2021-0216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Aim: In the theme of quantitative LC-MS bioanalysis of oligonucleotides free of ion-pairing, a 22-mer RNA oligonucleotide took center stage. The focus was on a unique polar-based retention scheme to produce a high-recovery extraction presenting a high-performance alternative extraction means, also there was the opportunity to involve hydrophilic-interaction liquid chromatography and contemporary high-resolution MS as the end point. Results: Original LC-MS methodology was developed for the oligonucleotide and the performance was robust for both nominal and accurate mass detection, the latter affording 10× improvement in sensitivity and 4000-fold linear dynamic range, 500 pM to 2000 nM. Conclusion: A novel means of solid-phase extraction is exhibited within a robust pair-free methodology, reaching pM sensitivity with the demonstrably beneficial accurate mass platform.
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13
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Precursor Carboxy-silica for Functionalization With Interactive Ligands. II. Carbodiimide Assisted Preparation of Silica Bonded Stationary Phases with D-glucamine for Hydrophilic Interaction Liquid Chromatography. Chromatographia 2021. [DOI: 10.1007/s10337-021-04062-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Wei-Qi K, Yuan Z, Yu Z, Xue-Song F. An Overview of Pretreatment and Analysis of Nucleotides in Different Samples (Update since 2010). Crit Rev Anal Chem 2021; 52:1624-1643. [PMID: 33840326 DOI: 10.1080/10408347.2021.1907173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Nucleotides, which are important low-molecular-weight compounds present in organisms, are precursors of nucleic acids and participate in various regulatory and metabolic functions. Sensitive and valid methods for monitoring and determining nucleotides and nucleosides in different samples are urgently required. Due to the presence of numerous endogenous interferences in complex matrices and the high polarity of the molecules of the phosphate moiety, the determination of nucleotide content is challenging. This review summarizes the pretreatment and analysis methods of nucleotides in different samples. Advanced pretreatment methods, including different microextraction methods, solid-phase extraction based on novel materials, QuEChERS, are clearly displayed, and continuous progress which has been made in LC, LC-MS/MS and capillary electrophoresis methods are discussed. Moreover, the strengths and weaknesses of different methods are discussed and compared. Highlight:Advanced pretreatment and detection methods of nucleotides were critically reviewed.Microextraction technology was one of the trends of nucleotides pretreatment in the future.Applications of novel materials and supercritical fluid were highlighted.The evolution and advance of HRMS analyzers were in detailed.
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Affiliation(s)
- Kang Wei-Qi
- School of Pharmacy, China Medical University, Shenyang, China
| | - Zhang Yuan
- School of Pharmacy, China Medical University, Shenyang, China
| | - Zhou Yu
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Feng Xue-Song
- School of Pharmacy, China Medical University, Shenyang, China
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15
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Fabrication of spherical silica amino-functionalized microporous organic network composites for high performance liquid chromatography. Talanta 2021; 221:121570. [DOI: 10.1016/j.talanta.2020.121570] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/11/2020] [Accepted: 08/13/2020] [Indexed: 01/30/2023]
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16
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Zhou D, Zheng Y, Luo Q, Gao D, Fu Q, Zhang K, Xia Z, Wang L. Preparation of an aspartame and N-isopropyl acrylamide copolymer functionalized stationary phase with multi-mode and chiral separation abilities. J Chromatogr A 2020; 1634:461675. [DOI: 10.1016/j.chroma.2020.461675] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 09/13/2020] [Accepted: 10/29/2020] [Indexed: 01/09/2023]
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17
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Murakami H, Sugiyama T, Miki Y, Umemura T, Esaka Y, Inoue Y, Teshima N. Development and Evaluation of HILIC-type Sorbents Modified with Hydrophilic Copolymers for Solid-phase Extraction. ANAL SCI 2020; 36:1185-1190. [PMID: 32999136 DOI: 10.2116/analsci.20p084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Hydrophilic interaction chromatography (HILIC) has attractive attention for the separation of water-soluble compounds via HPLC. There are, however, few studies on the pretreatment of the HILIC-type solid-phase extraction (SPE) due to the difficulty of obtaining the HILIC-type sorbent. Therefore, the development of HILIC-type sorbents for SPE is essential. In this study, four different hydrophilic copolymers, namely diallylamine-maleic acid copolymer (DAM), diallylamine-acrylamide copolymer (DAA), allylamine-maleic acid copolymer (MAM), and partly methylcarbonylated allylamine acetate copolymer (MAC), were immobilized on glycidyl methacrylate (GMA)-base resin, and their adsorptive properties were evaluated. The results of the physical and adsorptive properties indicated that a balance between the water content of the water-enriched layer on sorbent and the amount of hydrophilic copolymer immobilized on the GMA-base resin was vital for the adsorption in HILIC-type sorbent for SPE.
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Affiliation(s)
- Hiroya Murakami
- Department of Applied Chemistry, Aichi Institute of Technology
| | - Takuya Sugiyama
- Department of Applied Chemistry, Aichi Institute of Technology
| | - Yuta Miki
- Department of Applied Chemistry, Aichi Institute of Technology
| | - Tomonari Umemura
- School of Life Sciences, Tokyo University of Pharmacy and Life Sciences
| | | | - Yoshinori Inoue
- Department of Applied Chemistry, Aichi Institute of Technology
| | - Norio Teshima
- Department of Applied Chemistry, Aichi Institute of Technology
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18
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Zhou D, Luo Q, Zeng Q, Zheng Y, Ren X, Gao D, Fu Q, Zhang K, Xia Z, Wang L. Preparation of an aminophenylboronic acid and N-isopropyl acrylamide copolymer functionalized stationary phase for mixed-mode chromatography. J Chromatogr A 2020; 1627:461423. [DOI: 10.1016/j.chroma.2020.461423] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 06/25/2020] [Accepted: 07/19/2020] [Indexed: 12/15/2022]
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19
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Shamshir A, Dinh NP, Jonsson T, Sparrman T, Irgum K. Probing the retention mechanism of small hydrophilic molecules in hydrophilic interaction chromatography using saturation transfer difference nuclear magnetic resonance spectroscopy. J Chromatogr A 2020; 1623:461130. [DOI: 10.1016/j.chroma.2020.461130] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 04/11/2020] [Accepted: 04/12/2020] [Indexed: 12/16/2022]
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20
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Pang L, Xue T, Cong H, Shen Y, Yu B. Preparation and application of PGMA-DVB microspheres via surface-modification with quaternary and phenylboronic acid moiety. Colloids Surf B Biointerfaces 2020; 188:110807. [PMID: 31972445 DOI: 10.1016/j.colsurfb.2020.110807] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 01/15/2020] [Accepted: 01/16/2020] [Indexed: 11/28/2022]
Abstract
Porous cross-linked poly (glycidyl methacrylate-divinylbenzene) (PGMA-DVB) particles (7.42 ± 0.24 μm in diameter) were prepared by an improved two-step seed swelling polymerization method. The PGMA-DVB particles were further modified with poly (allylamine hydrochloride) (PAH) and 4-(bromomethyl) phenylboronic acid (BPA), which were used as high performance liquid chromatography (HPLC) filler for nucleotides separation. The liquid chromatographic column packing materials successfully achieved complete separation of nucleotides mixture or deoxynucleotides mixture based on non-polar adsorption, hydrogen bonding interaction and electrostatic adsorption. Reckoning on the chemical structure of BPA, nucleotides and deoxynucleotides with same base group were also separated. The column packing materials were durable after over 100 time running or 7 days. It presents a kind of new notion for the separation of nucleotides by HPLC.
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Affiliation(s)
- Long Pang
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China
| | - Tingting Xue
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China
| | - Hailin Cong
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Youqing Shen
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China
| | - Bing Yu
- Institute of Biomedical Materials and Engineering, College of Materials Science and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China.
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21
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Liu FL, Qi CB, Cheng QY, Ding JH, Yuan BF, Feng YQ. Diazo Reagent Labeling with Mass Spectrometry Analysis for Sensitive Determination of Ribonucleotides in Living Organisms. Anal Chem 2019; 92:2301-2309. [PMID: 31845797 DOI: 10.1021/acs.analchem.9b05122] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Ribonucleotide analogues and their related phosphorylated metabolites play critical roles in tumor metabolism. However, determination of the endogenous ribonucleotides from the complex biological matrix is still a challenge due to their high structural similarity and high polarity that will lead to the low retention and low detection sensitivities by liquid chromatogram mass spectrometry analysis. In this study, we developed the diazo reagent labeling strategy with mass spectrometry analysis for sensitive determination of ribonucleotides in the living organism. A pair of light and heavy stable isotope labeling reagents, 2-(diazomethyl)-N-methyl-N-phenyl-benzamide (2-DMBA) and d5-2-(diazomethyl)-N-methyl-N-phenyl-benzamide (d5-2-DMBA), were synthesized to label ribonucleotides. 2-DMBA showed high specificity and high efficiency for the labeling of ribonucleotides. Our results demonstrated that the detection sensitivities of 12 ribonucleotides increased by 17-174-fold upon 2-DMBA labeling. The obtained limits of detection (LODs) of ribonucleotides ranged from 0.07 fmol to 0.41 fmol. Using this method, we achieved the sensitive and accurate detection of ribonucleotides from only a few cells (8 cells). To the best of our knowledge, this is the highest detection sensitivity for ribonucleotides ever reported. In addition, we found that the contents of almost all of these ribonucleotides were significantly increased in human breast carcinoma tissues compared to tumor-adjacent normal tissues, suggesting that endogenous ribonucleotides may play certain functional roles in the regulation of cancer development and formation. This method also can be potentially applied in the analysis of phosphorylated compounds.
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Affiliation(s)
- Fei-Long Liu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Sauvage Center for Molecular Sciences, Department of Chemistry , Wuhan University , Wuhan 430072 , China
| | - Chu-Bo Qi
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Sauvage Center for Molecular Sciences, Department of Chemistry , Wuhan University , Wuhan 430072 , China.,Hubei Cancer Hospital, Tongji Medical College , Huazhong University of Science and Technology , Wuhan 430079 , China
| | - Qing-Yun Cheng
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Sauvage Center for Molecular Sciences, Department of Chemistry , Wuhan University , Wuhan 430072 , China
| | - Jiang-Hui Ding
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Sauvage Center for Molecular Sciences, Department of Chemistry , Wuhan University , Wuhan 430072 , China
| | - Bi-Feng Yuan
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Sauvage Center for Molecular Sciences, Department of Chemistry , Wuhan University , Wuhan 430072 , China
| | - Yu-Qi Feng
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Sauvage Center for Molecular Sciences, Department of Chemistry , Wuhan University , Wuhan 430072 , China
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22
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Development and validation of a rapid LC–MS/MS method for determination of methylated nucleosides and nucleobases in urine. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1128:121775. [DOI: 10.1016/j.jchromb.2019.121775] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 08/12/2019] [Accepted: 08/20/2019] [Indexed: 12/11/2022]
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23
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Burgos-Gil R, Peris-García E, Ruiz-Angel M, Baeza-Baeza J, García-Alvarez-Coque M. Protocol to compare column performance applied to hydrophilic interaction liquid chromatography. Microchem J 2019. [DOI: 10.1016/j.microc.2019.103973] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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24
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Galeano Garcia P, Zimmermann BH, Carazzone C. Hydrophilic Interaction Liquid Chromatography Coupled to Mass Spectrometry and Multivariate Analysis of the De Novo Pyrimidine Pathway Metabolites. Biomolecules 2019; 9:biom9080328. [PMID: 31370321 PMCID: PMC6722987 DOI: 10.3390/biom9080328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 07/16/2019] [Accepted: 07/18/2019] [Indexed: 11/21/2022] Open
Abstract
In this study, we describe the optimization of a Hydrophilic Interaction Liquid Chromatography coupled to mass spectrometry (HILIC-MS) method for the evaluation of 14 metabolites related to the de novo synthesis of pyrimidines (dnSP) while using multivariate analysis, which is the metabolic pathway for pyrimidine nucleotide production. A multivariate design was used to set the conditions of the column temperature, flow of the mobile phase, additive concentration, gradient rate, and pH of the mobile phase in order to attain higher peak resolution and ionization efficiency in shorter analysis times. The optimization process was carried out while using factorial fractional designs, Box–Behnken design and central composite design while using two zwitterionic columns, ZIC-p-HILIC and ZIC-HILIC, polymeric, and silica-based columns, respectively. The factors were evaluated while using resolution (R), retention factor (k), efficiency of the column (N), and peak height (h) as the response variables. The best optimized conditions were found with the ZIC-p-HILIC column: elution gradient rate 2 min, pH 7.0, temperature 45 °C, mobile phase flow of 0.35 mL min−1, and additive (ammonium acetate) concentration of 6 mM. The total analysis time was 28 min. The ZIC-p-HILIC LC-MS method yielded satisfactory results for linearity of calibration curves, limit of detection (LOD), and limit of quantification (LOQ). The method has been shown to be appropriate for the analysis of dnSP on samples of tomato plants that were infected with Phytophthora infestans.
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Affiliation(s)
- Paula Galeano Garcia
- Laboratory of Advanced Analytical Techniques in Natural Products, Universidad de los Andes, Bogotá 111711, Colombia.
- "Grupo de Investigación en Productos Naturales Amazónicos", Facultad de Ciencias Básicas, Universidad de la Amazonia, Florencia 180002, Colombia.
| | - Barbara H Zimmermann
- Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá 111711, Colombia
| | - Chiara Carazzone
- Laboratory of Advanced Analytical Techniques in Natural Products, Universidad de los Andes, Bogotá 111711, Colombia.
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25
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Zborníková E, Knejzlík Z, Hauryliuk V, Krásný L, Rejman D. Analysis of nucleotide pools in bacteria using HPLC-MS in HILIC mode. Talanta 2019; 205:120161. [PMID: 31450400 DOI: 10.1016/j.talanta.2019.120161] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 07/15/2019] [Accepted: 07/17/2019] [Indexed: 01/25/2023]
Abstract
Nucleotides, nucleosides and their derivatives are present in all cells at varying concentrations that change with the nutritional, and energetic status of the cell. Precise measurement of the concentrations of these molecules is instrumental for understanding their regulatory effects. Such measurement is challenging due to the inherent instability of these molecules and, despite many decades of research, the reported values differ widely. Here, we present a comprehensive and easy-to-use approach for determination of the intracellular concentrations of >25 target molecular species. The approach uses rapid filtration and cold acidic extraction followed by high performance liquid chromatography (HPLC) in the hydrophilic interaction liquid chromatography (HILIC) mode using zwitterionic columns coupled with UV and MS detectors. The method reliably detects and quantifies all the analytes expected to be observed in the bacterial cell and paves the way for future studies correlating their concentrations with biological effects.
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Affiliation(s)
- Eva Zborníková
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, v.v.i., Flemingovonam. 2, CZ-166 10, Prague 6, Czech Republic; Charles University, Faculty of Science, Department of Analytical Chemistry, Hlavova 8, 128 43, Prague 2, Czech Republic
| | - Zdeněk Knejzlík
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, v.v.i., Flemingovonam. 2, CZ-166 10, Prague 6, Czech Republic
| | - Vasili Hauryliuk
- Department of Molecular Biology, Umeå University, Building 6K, 6L University Hospital Area, SE-901 87, Umeå, Sweden; Laboratory for Molecular Infection Medicine Sweden (MIMS), Umeå University, Building 6K and 6L, University Hospital Area, 90187, Umeå, Sweden; University of Tartu, Institute of Technology, 50411, Tartu, Estonia
| | - Libor Krásný
- Institute of Microbiology, Czech Academy of Sciences v.v.i., Vídeňská 1083, 142 20, Prague 4, Czech Republic
| | - Dominik Rejman
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, v.v.i., Flemingovonam. 2, CZ-166 10, Prague 6, Czech Republic.
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26
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Won JE, Bang HY, Kwak BM, Park JS, Kim GR, Kwon JH. Nucleotide Analysis in Korean Dairy Products Using High- Performance Liquid Chromatography with Diode Array Detector. Food Sci Anim Resour 2019; 39:93-101. [PMID: 30882078 PMCID: PMC6411246 DOI: 10.5851/kosfa.2019.e7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 12/26/2018] [Accepted: 01/02/2019] [Indexed: 11/06/2022] Open
Abstract
Nucleotides play important roles in numerous intracellular biochemical processes and are used in infant formulas and other dairy products. However, domestic analytical methods for assessing nucleotide content in products have not yet been established, and therefore, methods for determining nucleotide content are urgently required. A rapid and simple analytical method for determining the content of five types of nucleotides in dairy products was improved using solid phase extraction clean-up and high-performance liquid chromatography with diode array detector. The extraction solvent used in the AOAC method was not well dissolved and was changed to hydrophilic EDTA-Na. In addition, the results obtained using the isocratic elution method and a single wavelength were similar to those obtained using the AOAC method, and the time taken for analysis was shortened from 40 min to 25 min. The process of method validation revealed the following parameters: accuracy (84.69%-102.72%), precision (1.51%-6.82%), linearity (0.999), and limit of detection (cytidine 5'-monophosphate, 0.09 mg/L; uridine 5'-monophosphate, 0.11 mg/L; adenosine 5'-monophosphate, 0.12 mg/L; guanosine 5'-monophosphate, 0.11 mg/L; and inosine 5'-monophosphate, 0.14 mg/L). The method was also used to determine the nucleotide concentration in 25 samples (infant formulas, 1.99-29.39 mg/100 g; and cow milk, 0.28-0.83 mg/100 g). The newly improved method was appropriate for analyzing nucleotides in infant formulas and other dairy products faster when compared to conventional methods.
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Affiliation(s)
- Jong-Eun Won
- School of Food Science and Biotechnology Graduate School, Kyungpook National University, Daegu 41566, Korea.,Food Analysis Department, Research and Development Institute, Namyang Dairy Co. Ltd, Sejong 30055, Korea
| | - Han-Yeol Bang
- Food Analysis Department, Research and Development Institute, Namyang Dairy Co. Ltd, Sejong 30055, Korea
| | - Byung-Man Kwak
- Food Analysis Department, Research and Development Institute, Namyang Dairy Co. Ltd, Sejong 30055, Korea
| | - Jong-Su Park
- Food Analysis Department, Research and Development Institute, Namyang Dairy Co. Ltd, Sejong 30055, Korea
| | - Gui-Ran Kim
- School of Food Science and Biotechnology Graduate School, Kyungpook National University, Daegu 41566, Korea
| | - Joong-Ho Kwon
- School of Food Science and Biotechnology Graduate School, Kyungpook National University, Daegu 41566, Korea
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27
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Oligonucleotide analysis by hydrophilic interaction liquid chromatography-mass spectrometry in the absence of ion-pair reagents. J Chromatogr A 2019; 1595:39-48. [PMID: 30772056 DOI: 10.1016/j.chroma.2019.02.016] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 02/02/2019] [Accepted: 02/06/2019] [Indexed: 01/09/2023]
Abstract
Improving our understanding of nucleic acids, both in biological and synthetic applications, remains a bustling area of research for both academic and industrial laboratories. As nucleic acids research evolves, so must the analytical techniques used to characterize nucleic acids. One powerful analytical technique has been coupled liquid chromatography - tandem mass spectrometry (LC-MS/MS). To date, the most successful chromatographic mode has been ion-pairing reversed-phase liquid chromatography. Hydrophilic interaction liquid chromatography (HILIC), in the absence of ion-pair reagents, has been investigated here as an alternative chromatographic approach to the analysis of oligonucleotides. By combining a mobile phase system using commonly employed in liquid chromatography-mass spectrometry (LC-MS) - i.e., water, acetonitrile, and ammonium acetate - and a new, commercially available diol-based HILIC column, high chromatographic and mass spectrometric performance for a wide range of oligonucleotides is demonstrated. Particular applications of HILIC-MS for the analysis of deoxynucleic acid (DNA) oligomers, modified and unmodified oligoribonucleotides, and phosphorothioate DNA oligonucleotides are presented. Based on the LC-MS performance, this HILIC-based approach provides an attractive, sensitive and robust alternative to prior ion-pairing dependent methods with potential utility for both qualitative and quantitative analyses of oligonucleotides without compromising chromatographic or mass spectrometric performance.
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28
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Tsay FR, Haidar Ahmad IA, Henderson D, Schiavone N, Liu Z, Makarov AA, Mangion I, Regalado EL. Generic anion-exchange chromatography method for analytical and preparative separation of nucleotides in the development and manufacture of drug substances. J Chromatogr A 2018; 1587:129-135. [PMID: 30591245 DOI: 10.1016/j.chroma.2018.12.018] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 12/01/2018] [Accepted: 12/10/2018] [Indexed: 10/27/2022]
Abstract
Nucleotides are among the most frequently used chemical building blocks in the research, development and manufacture of drug substances. They are composed of three highly polar subunit molecules (a nucleobase, a sugar, and at least one phosphate group), which makes their separation and analysis very challenging by conventional liquid chromatography techniques. Herein, we describe a simple, efficient, and cost-effective ion-exchange chromatography (IEC) method for the separation and purification of over 20 nucleotides. This method combines the use of a Tosoh TSKgel SuperQ-5P W resin in conjunction with a fully aqueous eluent profile (ammonium bicarbonate-based) that allows for a straightforward scale-up transition and convenient drying process with minimal environmental impact. This generic method was optimized using chromatography simulation software (ACD Labs/LC Simulator) and successfully applied to the preparative purification of multicomponent nucleotide mixtures using readily available Fast Protein Liquid Chromatography (FPLC) instrumentation. These IEC method conditions can be effectively applied as the starting point for method development and isolation of other highly polar nucleotide species beyond those investigated in this study.
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Affiliation(s)
- Fuh-Rong Tsay
- Process Research and Development, MRL, Merck & Co., Inc., Rahway, NJ 07065, USA
| | - Imad A Haidar Ahmad
- Process Research and Development, MRL, Merck & Co., Inc., Rahway, NJ 07065, USA
| | - Derek Henderson
- Process Research and Development, MRL, Merck & Co., Inc., Rahway, NJ 07065, USA
| | - Nicole Schiavone
- Process Research and Development, MRL, Merck & Co., Inc., Rahway, NJ 07065, USA
| | - Zhijian Liu
- Process Research and Development, MRL, Merck & Co., Inc., Rahway, NJ 07065, USA
| | - Alexey A Makarov
- Process Research and Development, MRL, Merck & Co., Inc., Rahway, NJ 07065, USA
| | - Ian Mangion
- Process Research and Development, MRL, Merck & Co., Inc., Rahway, NJ 07065, USA
| | - Erik L Regalado
- Process Research and Development, MRL, Merck & Co., Inc., Rahway, NJ 07065, USA.
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29
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Rastegar L, Mighani H, Ghassempour A. A comparison and column selection of Hydrophilic Interaction Liquid Chromatography and Reversed-Phase High-Performance Liquid Chromatography for detection of DNA methylation. Anal Biochem 2018; 557:123-130. [PMID: 30030996 DOI: 10.1016/j.ab.2018.07.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 07/11/2018] [Accepted: 07/16/2018] [Indexed: 01/08/2023]
Abstract
5-methylcytosine (5mC) is an epigenetic mark which has a profound effect on various fundamental processes in cells. In present study, at first Hydrophilic Interaction Liquid Chromatography (HILIC) was compared with Reversed-Phase High-Performance Liquid Chromatography (RP-HPLC) based on their selectivity (α), retention factor (k), and resolution (R) for cytosine (C) and 5mC nucleobases. We tried to justify the separation mechanism on the basis of mobile phase and solute polarity, structural characterization of solute and stationary phases, log Do/w, and pka under both modes. Then, these two modes were compared in order to select the best column for measurement of methylation level in two real samples with less analytical complexity (i.e. animal and bacteria) and a highly complex sample (i.e. plant), after chemical hydrolysis of DNA. In this favor, diol and cyano (CN) columns in HILIC mode as well as C8 and C18 in RP-HPLC were investigated. Optimum separation and the best validation parameters were obtained for CN column with Limit of Detection (LOD) of 1.4 pmol and Limit of Quantification (LOQ) of 4.8 pmol for 5mC. When the CN column was used in HILIC-UV procedure, separation of 5mC and C bases was achieved in all types of hydrolyzed DNA solutions.
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Affiliation(s)
- Leila Rastegar
- Department of Chemistry, Faculty of Science, Golestan University, Gorgan, Iran
| | - Hossein Mighani
- Department of Chemistry, Faculty of Science, Golestan University, Gorgan, Iran
| | - Alireza Ghassempour
- Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, G.C. Evin, Tehran, Iran.
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30
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Arase S, Kimura S, Ikegami T. Method optimization of hydrophilic interaction chromatography separation of nucleotides using design of experiment approaches I: Comparison of several zwitterionic columns. J Pharm Biomed Anal 2018; 158:307-316. [PMID: 29909320 DOI: 10.1016/j.jpba.2018.05.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 04/27/2018] [Accepted: 05/11/2018] [Indexed: 10/16/2022]
Abstract
A systematic method in hydrophilic interaction chromatography (HILIC) was developed for the separation of four monophosphate nucleotides using design of experiment (DOE) approaches. Three HPLC parameters, the buffer concentration (ammonium acetate concentration), gradient time, and temperature, were evaluated within the quality design framework, and the effects on chromatographic parameters were investigated. Four zwitterionic columns (ZIC-HILIC, ZIC-cHILIC, NUCLEODUR HILIC, and PC HILIC) were used to separate four nucleotides, and the HPLC conditions for each column were successfully optimized, although PC HILIC did not give peaks that were suitable for optimization. In addition, it was proved that optimized HPLC conditions differed from column to column even when the same types of zwitterionic sulfobetaine-functionalized columns were applied. This tendency was explained by differences in the separation characteristics of each column, the thickness of the water-enriched layer on the surface of the silica supports, and the pH. DOE for development of the HPLC method provides an effective explanation of the interactions among the variable parameters, especially in HILIC mode. Finally, a robust analytical method could be established by setting the optimum parameters. Among the employed columns, ZIC-cHILIC provided the widest range of suitable analytical conditions. NUCLEODUR HILIC was difficult to build a robust analytical method since the elution order of cytidine monophosphate and guanosine monophosphate was reversed.
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Affiliation(s)
- Shuntaro Arase
- Eisai Co., Ltd., Formulation Research, Pharmaceutical Science & Technology Core Function Unit, Medicine Development Center, Kagamigahara, Gifu, 501-6195, Japan; Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto, 606-8585, Japan
| | - Susumu Kimura
- Eisai Co., Ltd., Formulation Research, Pharmaceutical Science & Technology Core Function Unit, Medicine Development Center, Kagamigahara, Gifu, 501-6195, Japan
| | - Tohru Ikegami
- Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto, 606-8585, Japan.
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31
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Li H, Zhang X, Zhang L, Cang H, Kong F, Fan D, Wang W. Hyperbranched Polyglycerol Functionalized Silica Stationary Phase for Hydrophilic Interaction Liquid Chromatography. ANAL SCI 2018; 34:433-438. [PMID: 29643306 DOI: 10.2116/analsci.17p486] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Surface-initiated anionic-ring-opening multibranching polymerization was employed to prepare a hyperbranched polyglycerol (HPG) functionalized silica stationary phase for hydrophilic interaction liquid chromatography (HILIC). The obtained stationary phase was characterized by Fourier-transform infrared spectrometry (FT-IR) and thermogravimetric analysis (TGA). The chromatographic properties of the prepared stationary phase were systematically investigated. The abundance and multitude distribution of hydroxyl groups in HPG endowed the stationary phase with improved hydrophilicity and enhanced separation performance compared with the stationary phase functionalized with monolayer of hydroxyl groups. The stationary phase showed excellent retention of various polar compounds, such as nucleosides, necleobases, phenols and sulfanilamides, indicating great potential in the separation of complex biosamples.
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Affiliation(s)
- Hengye Li
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology
| | - Xuemeng Zhang
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology
| | - Lin Zhang
- Yancheng Entry-Exit Inspection and Quarantine Bureau
| | - Hui Cang
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology
| | - Fenying Kong
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology
| | - Dahe Fan
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology
| | - Wei Wang
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology
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Patejko M, Struck-Lewicka W, Siluk D, Waszczuk-Jankowska M, Markuszewski MJ. Urinary Nucleosides and Deoxynucleosides. Adv Clin Chem 2018; 83:1-51. [PMID: 29304899 DOI: 10.1016/bs.acc.2017.10.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Urinary nucleosides and deoxynucleosides are mainly known as metabolites of RNA turnover and oxidative damage of DNA. For several decades these metabolites have been examined for their potential use in disease states including cancer and oxidative stress. Subsequent improvements in analytical sensitivity and specificity have provided a reliable means to measure these unique molecules to better assess their relationship to physiologic and pathophysiologic conditions. In fact, some are currently used as antiviral and antitumor agents. In this review we provide insight into their molecular characteristics, highlight current separation techniques and detection methods, and explore potential clinical usefulness.
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Pina A, Begou O, Kanelis D, Gika H, Kalogiannis S, Tananaki C, Theodoridis G, Zotou A. Targeted profiling of hydrophilic constituents of royal jelly by hydrophilic interaction liquid chromatography-tandem mass spectrometry. J Chromatogr A 2017; 1531:53-63. [PMID: 29198446 DOI: 10.1016/j.chroma.2017.11.019] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 11/08/2017] [Accepted: 11/12/2017] [Indexed: 01/18/2023]
Abstract
In the present work a Hydrophilic Interaction Liquid Chromatography-tandem Mass Spectrometry (HILIC-MS/MS) method was developed for the efficient separation and quantification of a large number of small polar bioactive molecules in Royal Jelly. The method was validated and provided satisfactory detection sensitivity for 88 components. Quantification was proven to be precise for 64 components exhibiting good linearity, recoveries R% >90% for the majority of analytes and intra- and inter-day precision from 0.14 to 20% RSD. Analysis of 125 fresh royal jelly samples of Greek origin provided useful information on royal jelly's hydrophilic bioactive components revealing lysine, ribose, proline, melezitose and glutamic acid to be in high abundance. In addition the occurrence of 18 hydrophilic nutrients which have not been reported previously as royal jelly constituents is shown.
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Affiliation(s)
- Athanasia Pina
- Laboratory of Analytical Chemistry, School of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Olga Begou
- Laboratory of Analytical Chemistry, School of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Dimitris Kanelis
- Laboratory of Apiculture-Sericulture, School of Agriculture, Aristotle University of Thessaloniki, 54006 Thessaloniki, Greece
| | - Helen Gika
- Laboratory of Forensic Medicine and Toxicology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
| | - Stavros Kalogiannis
- Department of Nutrition and Dietetics, Alexander Technological Educational Institute (ATEITH) of Thessaloniki, 57400 Thessaloniki, Greece
| | - Chrysoula Tananaki
- Laboratory of Apiculture-Sericulture, School of Agriculture, Aristotle University of Thessaloniki, 54006 Thessaloniki, Greece
| | - Georgios Theodoridis
- Laboratory of Analytical Chemistry, School of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Anastasia Zotou
- Laboratory of Analytical Chemistry, School of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
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Phan CW, Wang JK, Cheah SC, Naidu M, David P, Sabaratnam V. A review on the nucleic acid constituents in mushrooms: nucleobases, nucleosides and nucleotides. Crit Rev Biotechnol 2017; 38:762-777. [PMID: 29124970 DOI: 10.1080/07388551.2017.1399102] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Mushrooms have become increasingly important as a reliable food source. They have also been recognized as an important source of bioactive compounds of high nutritional and medicinal values. The nucleobases, nucleosides and nucleotides found in mushrooms play important roles in the regulation of various physiological processes in the human body via the purinergic and/or pyrimidine receptors. Cordycepin, a 3'-deoxyadenosine found in Cordyceps sinensis has received much attention as it possesses many medicinal values including anticancer properties. In this review, we provide a broad overview of the distribution of purine nucleobases (adenine and guanine); pyrimidine nucleobases (cytosine, uracil, and thymine); nucleosides (uridine, guanosine, adenosine and cytidine); as well as novel nucleosides/tides in edible and nonedible mushrooms. This review also discusses the latest research focusing on the successes, challenges, and future perspectives of the analytical methods used to determine nucleic acid constituents in mushrooms. Besides, the exotic taste and flavor of edible mushrooms are attributed to several nonvolatile and water-soluble substances, including the 5'-nucleotides. Therefore, we also discuss the total flavor 5'-nucleotides: 5'-guanosine monophosphate (5'-GMP), 5'-inosine monophosphate (5'-IMP), and 5'-xanthosine monophosphate (5'-XMP) in edible mushrooms.
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Affiliation(s)
- Chia-Wei Phan
- a Mushroom Research Centre , University of Malaya , Kuala Lumpur , Malaysia.,b Department of Anatomy, Faculty of Medicine , University of Malaya , Kuala Lumpur , Malaysia
| | - Joon-Keong Wang
- c Faculty of Medicine and Health Sciences , UCSI University , Kuala Lumpur , Malaysia
| | - Shiau-Chuen Cheah
- c Faculty of Medicine and Health Sciences , UCSI University , Kuala Lumpur , Malaysia
| | - Murali Naidu
- a Mushroom Research Centre , University of Malaya , Kuala Lumpur , Malaysia.,b Department of Anatomy, Faculty of Medicine , University of Malaya , Kuala Lumpur , Malaysia
| | - Pamela David
- a Mushroom Research Centre , University of Malaya , Kuala Lumpur , Malaysia.,b Department of Anatomy, Faculty of Medicine , University of Malaya , Kuala Lumpur , Malaysia
| | - Vikineswary Sabaratnam
- a Mushroom Research Centre , University of Malaya , Kuala Lumpur , Malaysia.,d Institute of Biological Sciences, Faculty of Science , University of Malaya , Kuala Lumpur , Malaysia
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Murakami H, Horiba R, Iwata T, Miki Y, Uno B, Sakai T, Kaneko K, Ishihama Y, Teshima N, Esaka Y. Progress in a selective method for the determination of the acetaldehyde-derived DNA adducts by using HILIC-ESI-MS/MS. Talanta 2017; 177:12-17. [PMID: 29108566 DOI: 10.1016/j.talanta.2017.09.055] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 09/15/2017] [Accepted: 09/17/2017] [Indexed: 10/18/2022]
Abstract
Acetaldehyde (AA), which is present in tobacco smoke, automobile exhaust gases and alcohol beverage, is a mutagen and carcinogen. AA reacts with 2'-deoxyguanosine (dG) in DNA to form N2-ethyl-dG (EtdG) and cyclic, 1, N2-propano-dG (CPrdG), which are considered to have a critical role in carcinogenesis induced by AA. In this study, we have developed a highly sensitive method for the quantitation of the two AA-derived DNA adducts by using liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS) in which hydrophilic interaction chromatography (HILIC) employing mobile phases of high organic solvent concentration was selected to improve the ionization efficiency in the ESI process. Fourteen times and 11 times larger peak areas for EtdG and CPrdG, respectively, in HILIC-ESI-MS/MS were obtained compared with those in reversed phase (RP)-LC-ESI-MS/MS. Furthermore, 6.9 times (for EtdG) and 2.4 times (for CPrdG) larger peak areas were also obtained as additional enhancement by varying additive compounds in the HILIC mobile phases from ammonium acetate to ammonium bicarbonate. In total, the enhancements in detected MS signal intensities by exchanging from the RP-LC system to the HILIC system are 97 times for EtdG and 26 times for CPrdG, respectively. Three commercially available HILIC columns with different polar functional groups were examined and sufficient separation between normal 2'-deoxynucleosides and the AA-derived DNA adducts was achieved by a carbamoyl-bonded HILIC column. Finally, we applied the established method to quantify EtdG and CPrdG in the damaged calf thymus DNA.
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Affiliation(s)
- Hiroya Murakami
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota 470-0392, Japan
| | - Ruri Horiba
- Gifu Pharmaceutical University, Daigaku-nishi, Gifu 501-1196, Japan
| | - Tomoko Iwata
- Gifu Pharmaceutical University, Daigaku-nishi, Gifu 501-1196, Japan
| | - Yuta Miki
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota 470-0392, Japan
| | - Bunji Uno
- Gifu Pharmaceutical University, Daigaku-nishi, Gifu 501-1196, Japan
| | - Tadao Sakai
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota 470-0392, Japan
| | - Kazuhiro Kaneko
- National Cancer Center Hospital East, Kashiwanoha, Kashiwa 277-5877, Japan
| | - Yasushi Ishihama
- Graduate school of Pharmaceutical Sciences, Kyoto University, Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Norio Teshima
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota 470-0392, Japan.
| | - Yukihiro Esaka
- Gifu Pharmaceutical University, Daigaku-nishi, Gifu 501-1196, Japan.
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Huang Y, Zhang T, Zhao Y, Zhou H, Tang G, Fillet M, Crommen J, Jiang Z. Simultaneous analysis of nucleobases, nucleosides and ginsenosides in ginseng extracts using supercritical fluid chromatography coupled with single quadrupole mass spectrometry. J Pharm Biomed Anal 2017; 144:213-219. [DOI: 10.1016/j.jpba.2017.03.059] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 03/20/2017] [Accepted: 03/29/2017] [Indexed: 11/29/2022]
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37
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Wang LL, Yang CX, Yan XP. In Situ Growth of Covalent Organic Framework Shells on Silica Microspheres for Application in Liquid Chromatography. Chempluschem 2017; 82:933-938. [DOI: 10.1002/cplu.201700223] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 06/12/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Lu-Liang Wang
- College of Chemistry; Research Center for Analytical Sciences; Tianjin Key Laboratory of Molecular Recognition and Biosensing; State Key Laboratory of Medicinal Chemical Biology; Nankai University; 94 Weijin Road Tianjin 300071 China
| | - Cheng-Xiong Yang
- College of Chemistry; Research Center for Analytical Sciences; Tianjin Key Laboratory of Molecular Recognition and Biosensing; State Key Laboratory of Medicinal Chemical Biology; Nankai University; 94 Weijin Road Tianjin 300071 China
| | - Xiu-Ping Yan
- College of Chemistry; Research Center for Analytical Sciences; Tianjin Key Laboratory of Molecular Recognition and Biosensing; State Key Laboratory of Medicinal Chemical Biology; Nankai University; 94 Weijin Road Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering; 94 Weijin Road Tianjin 300071 China
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38
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Domínguez-Álvarez J, Mateos-Vivas M, Rodríguez-Gonzalo E, García-Gómez D, Bustamante-Rangel M, Delgado Zamarreño MM, Carabias-Martínez R. Determination of nucleosides and nucleotides in food samples by using liquid chromatography and capillary electrophoresis. Trends Analyt Chem 2017. [DOI: 10.1016/j.trac.2017.04.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Liu C, Li H, Wang Q, Crommen J, Zhou H, Jiang Z. Preparation and evaluation of 400μm I.D. polymer-based hydrophilic interaction chromatography monolithic columns with high column efficiency. J Chromatogr A 2017. [PMID: 28629939 DOI: 10.1016/j.chroma.2017.06.034] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The quest for higher column efficiency is one of the major research areas in polymer-based monolithic column fabrication. In this research, two novel polymer-based HILIC monolithic columns with 400μm I.D.×800μm O.D. were prepared based on the thermally initiated co-polymerization of N,N-dimethyl-N-(3-methacrylamidopropyl)-N-(3-sulfopropyl) ammonium betaine (SPP) and ethylene glycol dimethacrylate (EDMA) or N,N'-methylenebisacrylamide (MBA). In order to obtain a satisfactory performance in terms of column permeability, mechanical stability, efficiency and selectivity, the polymerization parameters were systematically optimized. Column efficiencies as high as 142, 000 plates/m and 120, 000 plates/m were observed for the analysis of neutral compounds at 0.6mm/s on the poly(SPP-co-MBA) and poly(SPP-co-EDMA) monoliths, respectively. Furthermore, the Van Deemter plots for thiourea on the two monoliths were compared with that on a commercial silica based ZIC-HILIC column (3.5μm, 200Å, 150mm×300μm I.D.) using ACN/H2O (90/10, v/v) as the mobile phase at room temperature. It was noticeable that the Van Deemter curves for both monoliths, particularly the poly(SPP-co-MBA) monolith, are significantly flatter than that obtained for the ZIC-HILIC column, which indicates that in spite of their larger internal diameters, they yield better overall efficiency, with less peak dispersion, across a much wider range of usable linear velocities. A clearly better separation performance was also observed for nucleobases, nucleosides, nucleotides and small peptides on the poly(SPP-co-MBA) monolith compared to the ZIC-HILIC column. It is particularly worth mentioning that these 400μm I.D. polymer-based HILIC monolithic columns exhibit enhanced mechanical strength owing to the thicker capillary wall of the fused-silica capillaries.
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Affiliation(s)
- Chusheng Liu
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Haibin Li
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Qiqin Wang
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Jacques Crommen
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou 510632, China; Department of Pharmaceutical Sciences, University of Liege, CHU B36, B-4000 Liege, Belgium
| | - Haibo Zhou
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou 510632, China.
| | - Zhengjin Jiang
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou 510632, China.
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40
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Determination and quantification of intracellular fludarabine triphosphate, cladribine triphosphate and clofarabine triphosphate by LC-MS/MS in human cancer cells. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1053:101-110. [PMID: 28415014 DOI: 10.1016/j.jchromb.2017.03.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Revised: 03/02/2017] [Accepted: 03/22/2017] [Indexed: 11/21/2022]
Abstract
Purine nucleoside analogues are widely used in the treatment of haematological malignancies, and their biological activity is dependent on the intracellular accumulation of their triphosphorylated metabolites. In this context, we developed and validated a liquid chromatography tandem mass spectrometry (LC-MS/MS) method to study the formation of 5'-triphosphorylated derivatives of cladribine, fludarabine, clofarabine and 2'-deoxyadenosine in human cancer cells. Br-ATP was used as internal standard. Separation was achieved on a hypercarb column. Analytes were eluted with a mixture of hexylamine (5 mM), DEA (0.4%, v/v, pH 10.5) and acetonitrile, in a gradient mode at a flow rate of 0.3mLmin-1. Multiple reactions monitoring (MRM) and electrospray ionization in negative mode (ESI-) were used for detection. The application of this method to the quantification of these phosphorylated cytotoxic compounds in a human follicular lymphoma cell line, showed that it was suitable for the study of relevant biological samples.
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41
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Jandera P, Janás P, Škeříková V, Urban J. Effect of water on the retention on diol and amide columns in hydrophilic interaction liquid chromatography. J Sep Sci 2017; 40:1434-1448. [DOI: 10.1002/jssc.201601044] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 01/10/2017] [Accepted: 01/11/2017] [Indexed: 11/12/2022]
Affiliation(s)
- Pavel Jandera
- Department of Analytical Chemistry, Faculty of Chemical Technology; University of Pardubice; Pardubice Czech Republic
| | - Petr Janás
- Department of Analytical Chemistry, Faculty of Chemical Technology; University of Pardubice; Pardubice Czech Republic
| | - Veronika Škeříková
- Department of Analytical Chemistry, Faculty of Chemical Technology; University of Pardubice; Pardubice Czech Republic
| | - Jiří Urban
- Department of Analytical Chemistry, Faculty of Chemical Technology; University of Pardubice; Pardubice Czech Republic
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Separation of Oligosaccharides from Lotus Seeds via Medium-pressure Liquid Chromatography Coupled with ELSD and DAD. Sci Rep 2017; 7:44174. [PMID: 28276495 PMCID: PMC5343441 DOI: 10.1038/srep44174] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 02/06/2017] [Indexed: 02/08/2023] Open
Abstract
Lotus seeds were identified by the Ministry of Public Health of China as both food and medicine. One general function of lotus seeds is to improve intestinal health. However, to date, studies evaluating the relationship between bioactive compounds in lotus seeds and the physiological activity of the intestine are limited. In the present study, by using medium pressure liquid chromatography coupled with evaporative light-scattering detector and diode-array detector, five oligosaccharides were isolated and their structures were further characterized by electrospray ionization-mass spectrometry and gas chromatography-mass spectrometry. In vitro testing determined that LOS3-1 and LOS4 elicited relatively good proliferative effects on Lactobacillus delbrueckii subsp. bulgaricus. These results indicated a structure-function relationship between the physiological activity of oligosaccharides in lotus seeds and the number of probiotics applied, thus providing room for improvement of this particular feature. Intestinal probiotics may potentially become a new effective drug target for the regulation of immunity.
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43
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Bo C, Wang X, Wang C, Wei Y. Preparation of hydrophilic interaction/ion-exchange mixed-mode chromatographic stationary phase with adjustable selectivity by controlling different ratios of the co-monomers. J Chromatogr A 2017; 1487:201-210. [DOI: 10.1016/j.chroma.2017.01.061] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 01/22/2017] [Accepted: 01/23/2017] [Indexed: 01/26/2023]
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44
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Recent Advances in the Characterization and Analysis of Therapeutic Oligonucleotides by Analytical Separation Methods Coupling with Mass Spectrometry. ADVANCES IN CHROMATOGRAPHY 2016. [DOI: 10.1201/9781315370385-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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45
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Zhang Q, Yang FQ, Ge L, Hu YJ, Xia ZN. Recent applications of hydrophilic interaction liquid chromatography in pharmaceutical analysis. J Sep Sci 2016; 40:49-80. [DOI: 10.1002/jssc.201600843] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 09/05/2016] [Accepted: 09/06/2016] [Indexed: 01/01/2023]
Affiliation(s)
- Qian Zhang
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing P. R. China
| | - Feng-Qing Yang
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing P. R. China
| | - Liya Ge
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute; Nanyang Technological University; Singapore
| | - Yuan-Jia Hu
- State Key Laboratory of Quality Research in Chinese Medicine; Institute of Chinese Medical Sciences; University of Macau; Macao P. R. China
| | - Zhi-Ning Xia
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing P. R. China
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46
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Li H, Liu C, Wang Q, Zhou H, Jiang Z. The effect of charged groups on hydrophilic monolithic stationary phases on their chromatographic properties. J Chromatogr A 2016; 1469:77-87. [PMID: 27692647 DOI: 10.1016/j.chroma.2016.09.059] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2016] [Revised: 09/21/2016] [Accepted: 09/24/2016] [Indexed: 01/03/2023]
Abstract
In order to investigate the effect of charged groups present in hydrophilic monolithic stationary phases on their chromatographic properties, three charged hydrophilic monomers, i.e. N,N-dimethyl-N-acryloyloxyethyl-N-(3-sulfopropyl)ammonium betaine (SPDA), [2-(acryloyloxy)ethyl]trimethylammonium chloride (AETA), and 3-sulfopropyl acrylate potassium salt (SPA) were co-polymerized with the crosslinker N,N'-methylenebisacrylamide (MBA), respectively. The physicochemical properties of the three resulting charged hydrophilic monolithic columns were evaluated using scanning electron microscopy, ζ-potential analysis and micro-HPLC. High column efficiency was obtained on the three monolithic columns at a linear velocity of 1mm/s using thiourea as test compound. Comparative characterization of the three charged HILIC phases was then carried out using a set of model compounds, including nucleobases, nucleosides, benzoic acid derivatives, phenols, β-blockers and small peptides. Depending on the combination of stationary phase/mobile phase/solute, both hydrophilic interaction and other potential secondary interactions, including electrostatic interaction, hydrogen-bonding interaction, molecular shape selectivity, could contribute to the over-all retention of the analytes. Because of the strong electrostatic interaction provided by the quaternary ammonium groups in the poly (AETA-co-MBA) monolith, this cationic HILIC monolith exhibited the strongest retention for benzoic acid derivatives and small peptides with distorted peak shapes and the weakest retention for basic β-blockers. The sulfonyl groups on the poly (SPA-co-MBA) hydrophilic monolith could provide strong electrostatic attraction and hydrogen bonding for positively charged analytes and hydrogen-donor/acceptor containing analytes, respectively. Therefore, basic drugs, nucleobases and nucleotides exhibited the strongest retention on this anionic monolith. Because of the weak but distinct cation exchange properties of the zwitterionic poly (SPDA-co-MBA) hydrophilic monolith, it exhibited the best separation for most test analytes (including phenols, β-blockers and small peptides) in terms of selectivity, peak shape and analysis time. The poly (AETA-co-MBA) hydrophilic monolithic column provides the best separation of nucleobases and nucleosides. These results could guide the selection and application of these charged HILIC monoliths in the future.
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Affiliation(s)
- Haibin Li
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, Guangdong, 510632, China
| | - Chusheng Liu
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, Guangdong, 510632, China
| | - Qiqin Wang
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, Guangdong, 510632, China
| | - Haibo Zhou
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, Guangdong, 510632, China.
| | - Zhengjin Jiang
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, Guangdong, 510632, China.
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47
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Qiao L, Shi X, Xu G. Recent advances in development and characterization of stationary phases for hydrophilic interaction chromatography. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2016.03.021] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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48
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Ribonucleosides in raw milk and heat-treated milk samples from cows, sheep, goats and camels and their potential biotechnological application. Small Rumin Res 2016. [DOI: 10.1016/j.smallrumres.2016.03.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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49
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Shahruzzaman M, Takafuji M, Ihara H. Tuning of Separation Mode Using Pyridinium Salt-branched Ionic Polymer-grafted Silica as Stationary Phase in HPLC. CHEM LETT 2016. [DOI: 10.1246/cl.150890] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Md. Shahruzzaman
- Department of Applied Chemistry and Biochemistry, Kumamoto University
- Department of Natural Sciences, Daffodil International University
| | - Makoto Takafuji
- Department of Applied Chemistry and Biochemistry, Kumamoto University
| | - Hirotaka Ihara
- Department of Applied Chemistry and Biochemistry, Kumamoto University
- Kumamoto Institute for Photo-Electro Organics (Phoenics)
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50
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Warth B, Siegwart G, Lemmens M, Krska R, Adam G, Schuhmacher R. Hydrophilic interaction liquid chromatography coupled with tandem mass spectrometry for the quantification of uridine diphosphate-glucose, uridine diphosphate-glucuronic acid, deoxynivalenol and its glucoside: In-house validation and application to wheat. J Chromatogr A 2015; 1423:183-9. [PMID: 26554298 DOI: 10.1016/j.chroma.2015.10.070] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Revised: 10/16/2015] [Accepted: 10/22/2015] [Indexed: 11/17/2022]
Abstract
Nucleotide sugars, the activated forms of monosaccharides, are important metabolites involved in a multitude of cellular processes including glycosylation of xenobiotics. Especially in plants, UDP-glucose is one of the most prominent members among these nucleotide-sugars, as it is involved in the formation of glucose conjugates of xenobiotics, including mycotoxins, but also holds a central role in the interconversion of energized sugars such as the formation of UDP-glucuronic acid required for cell wall biosynthesis. Here, we present the first HILIC-LC-ESI-TQ-MS/MS method for the quantification of UDP-glucose and UDP-glucuronic acid together with the Fusarium toxin deoxynivalenol (DON) and its major plant detoxification product DON-3-O-glucoside (DON-3-Glc) utilizing a polymer-based column. For sample preparation a time-effective and straightforward 'dilute and shoot' protocol was applied. The chromatographic run time was minimized to 9min including proper column re-equilibration. In-house validation of the method verified its linear range, intra- (1-7%) and interday (8-20%) precision, instrumental LODs between 0.6 and 10ngmL(-1), selectivity and moderate matrix effects with mean recoveries of 85-103%. To prove the methods applicability, we analyzed two sets of wheat extracts obtained from different cultivars grown under standardized greenhouse conditions. The results clearly demonstrated the suitability of the developed method to quantify UDP-glucose, DON and its masked form D3G in diluted wheat extracts. We observed differing concentration levels of UDP-glucose in the two wheat cultivars showing different resistance to the severe plant disease Fusarium head blight. We propose that the higher ability to detoxify DON into DON-3-Glc might be a consequence of the higher cellular UDP-glucose pool in the resistant cultivar.
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Affiliation(s)
- Benedikt Warth
- Center for Analytical Chemistry, Department for Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Str. 20, A-3430 Tulln, Austria
| | - Gerald Siegwart
- Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Str. 24, 3430 Tulln, Austria
| | - Marc Lemmens
- Institute for Biotechnology in Plant Production, Department for Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Str. 20, A-3430 Tulln, Austria
| | - Rudolf Krska
- Center for Analytical Chemistry, Department for Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Str. 20, A-3430 Tulln, Austria
| | - Gerhard Adam
- Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Str. 24, 3430 Tulln, Austria
| | - Rainer Schuhmacher
- Center for Analytical Chemistry, Department for Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Str. 20, A-3430 Tulln, Austria.
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