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Nuchtavorn N, Leanpolchareanchai J, Visansirikul S, Bunsupa S. Optimization of Magnetic and Paper-Based Molecularly Imprinted Polymers for Selective Extraction of Charantin in Momordica charantia. Int J Mol Sci 2023; 24:ijms24097870. [PMID: 37175576 PMCID: PMC10178129 DOI: 10.3390/ijms24097870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/13/2023] [Accepted: 04/20/2023] [Indexed: 05/15/2023] Open
Abstract
Charantin is a mixture of β-sitosterol and stigmastadienol glucosides, which effectively lowers high blood glucose. Novel molecularly imprinted polymers coated magnetic nanoparticles (Fe3O4@MIPs) and filter paper (paper@MIPs) were synthesized by sol-gel polymerization to selectively extract charantin. β-sitosterol glucoside was selected as a template for imprinting a specific recognition owing to its larger molecular surface area than that of 5,25-stigmastadienol glucoside. Factorial designs were used to examine the effects of the types of porogenic solvents and cross-linkers on the extraction efficiency and imprinting factor before investigating other factors (for example, amounts of template and coated MIPs, and types of substrates for MIP immobilization). Compared to traditional liquid-liquid extraction, the optimal Fe3O4@MIP-based dispersive micro-solid phase extraction and paper@MIP extraction provided excellent extraction efficiency (87.5 ± 2.1% and 85.0 ± 2.9%, respectively) and selectivity. Charantin was well separated, and a new unidentified sterol glucoside was observed using the developed high-performance liquid chromatography with diode-array detection (Rs ≥ 2.0, n > 16,400). The developed methods were successfully utilized to extract and quantify charantin from M. charantia fruit powder and herbal products. Moreover, these methods are rapid (<10 min), inexpensive, simple, reproducible, and environmentally friendly.
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Affiliation(s)
- Nantana Nuchtavorn
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, 447 Sri-Ayudhaya Rd., Rajathevee, Bangkok 10400, Thailand
| | - Jiraporn Leanpolchareanchai
- Department of Pharmacy, Faculty of Pharmacy, Mahidol University, 447 Sri-Ayudhaya Rd., Rajathevee, Bangkok 10400, Thailand
| | - Satsawat Visansirikul
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, 447 Sri-Ayudhaya Rd., Rajathevee, Bangkok 10400, Thailand
| | - Somnuk Bunsupa
- Department of Pharmacognosy, Faculty of Pharmacy, Mahidol University, 447 Sri-Ayudhaya Rd., Rajathevee, Bangkok 10400, Thailand
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Critto EF, Medina G, Reta M, Acquaviva A. Determination of polycyclic aromatic hydrocarbons in surface waters by high performance liquid chromatography previous to preconcentration through solid-phase extraction by using polymeric monoliths. J Chromatogr A 2022; 1679:463397. [PMID: 35973336 DOI: 10.1016/j.chroma.2022.463397] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 08/01/2022] [Accepted: 08/03/2022] [Indexed: 11/20/2022]
Abstract
A simple, sensitive and reproducible solid-phase extraction method using plastic cartridges containing a monolithic sorbent (m-SPE), coupled to reverse phase liquid chromatography analysis, aiming to determine fifteen polycyclic aromatic hydrocarbons in surface water samples, was developed. The sorbent was easily prepared through a thermal polymerization reaction by using a mixture of n-butyl methacrylate as non-polar monomer and ethylene glycol dimethacrylate as crosslinker contained in a typical Polypropylene syringe cartridge. The effect of different parameters (type of hydrophobic monomer, elution solvent, sample volume, sorbent amount and sorbent load capacity) on the extraction efficiency was optimized. The optimal conditions were achieved by using n-butyl methacrylate as monomer, tetrahydrofurane (THF) as solvent for sorbent cleaning, THF:acetone (1:1) as elution solvent, 25.00 mL of sample volume, 600 µL of the polymerization mixture and 60 µg L-1 as sample loading capacity. Finally, the sorbent charge capacity, the reusability of the cartridges and the extraction efficiency of the m-SPE monolith, as compared with a typical C8 cartridge, were evaluated. Under the optimized experimental conditions, enrichment factors were between 76 and 103, relative recovery factors from 78 to 103%, accuracy values in the range of 58 to 98%, and inter-batch reproducibility values from between 2 and 10%, were obtained. The limits of detection and quantification were obtained by two different procedures: the signal to noise (S/N) ratios (3 and 10, respectively) and the IUPAC convention. The lowest LOD and LOQ values, obtained with the S/N ratios, were between 0.02 and 1.00 µg L-1, respectively whereas with the IUPAC convention the values were between 0.07 and 5 µg L-1. Using this procedure, several PAHs could be detected in the surface water sample taken from a river stream located in La Plata city (Buenos Aires Province, Argentina).
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Affiliation(s)
- Emilia Frickel Critto
- Facultad de Ciencias Exactas, UNLP, CONICET, Laboratorio de Investigación y Desarrollo de Métodos Analíticos (LIDMA) y División Química Analítica, Calle 47 esq. 115, La Plata B1900AJL, Argentina
| | - Giselle Medina
- Facultad de Ciencias Exactas, UNLP, CONICET, Laboratorio de Investigación y Desarrollo de Métodos Analíticos (LIDMA) y División Química Analítica, Calle 47 esq. 115, La Plata B1900AJL, Argentina
| | - Mario Reta
- Facultad de Ciencias Exactas, UNLP, CONICET, Laboratorio de Investigación y Desarrollo de Métodos Analíticos (LIDMA) y División Química Analítica, Calle 47 esq. 115, La Plata B1900AJL, Argentina
| | - Agustín Acquaviva
- Facultad de Ciencias Exactas, UNLP, CONICET, Laboratorio de Investigación y Desarrollo de Métodos Analíticos (LIDMA) y División Química Analítica, Calle 47 esq. 115, La Plata B1900AJL, Argentina.
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Yang HJ, Zhang ZL, Yan LB, Chen ZQ, ju Lin X, Cheng X, Zhou JM, Wang DS, Lian YY. Modification of nanoscale polymeric adsorbent for the preparative separation and purification of tacrolimus from fermentation broth of Streptomyces tsukubaensis. J Chromatogr A 2022; 1675:463180. [DOI: 10.1016/j.chroma.2022.463180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/26/2022] [Accepted: 05/27/2022] [Indexed: 10/18/2022]
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Deng Y, Qian J, Zhou Y, Niu Y. Preparation of N/S doped carbon dots and their application in nitrite detection. RSC Adv 2021; 11:10922-10928. [PMID: 35423586 PMCID: PMC8695884 DOI: 10.1039/d0ra10766b] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 03/05/2021] [Indexed: 11/26/2022] Open
Abstract
Detection of carcinogens is generally recognized to be meaningful, especially for nitrites (NO2−). Here blue-green fluorescent carbon dots (CDs) were successfully synthesized by using p-aminobenzenesulfonic acid, and their surfaces were identified to be abundant in the functional groups of amino, hydroxyl, and sulfuric acid. Importantly, the sulfuric acid group and aromatic primary ammonia groups on the surfaces of CDs showed the interactions with the nitrites to cause fluorescence quenching. The novel CDs showed high sensitivity and selectivity for NO2− detection with a low detection limit of 0.03 mM in water due to the fluorescence quenching effect of the CDs. Consequently, the proposed CDs here may provide a new way of monitoring NO2− in the target samples. Detection of carcinogens is generally recognized to be meaningful, especially for nitrites (NO2−).![]()
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Affiliation(s)
- Yafeng Deng
- School of Printing and Packaging, Wuhan University Wuhan 430079 Hubei China
| | - Jun Qian
- School of Printing and Packaging, Wuhan University Wuhan 430079 Hubei China
| | - Yihua Zhou
- School of Printing and Packaging, Wuhan University Wuhan 430079 Hubei China
| | - Yifan Niu
- School of Printing and Packaging, Wuhan University Wuhan 430079 Hubei China
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Abu-Alsoud GF, Bottaro CS. Porous thin-film molecularly imprinted polymer device for simultaneous determination of phenol, alkylphenol and chlorophenol compounds in water. Talanta 2021; 223:121727. [PMID: 33298259 DOI: 10.1016/j.talanta.2020.121727] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/28/2020] [Accepted: 09/29/2020] [Indexed: 12/18/2022]
Abstract
A porous water-compatible molecularly imprinted polymer (MIP) coating using catechol as a pseudo-template and a water-soluble functional monomer (4-vinyl benzoic acid) with ethylene glycol dimethacrylate as the crosslinker was developed for extraction of phenols from environmental water samples. The MIP devices were combined with ultra high performance liquid chromatography with a photodiode array detector (UHPLC-PDA) suitable for the simultaneous determination of trace levels of phenolic compounds with a wide range of polarities -phenol, alkylphenols and chlorophenols- in seawater and produced water. Parameters that influence extraction efficiency (salinity, pH, polymer mass, desorption solvent, and desorption time) were optimized to give method detection limits (LOD) ranging from 0.1 to 2 μg L-1 and linearity (R2>0.99) over at least three orders of magnitude for the hydrophobic phenols (e.g., 0.5-1000 μg L-1 for 2,4,6-trichlorophenol) and ~2 orders of magnitude for the light phenols (e.g., 10-120 μg L-1 for phenol, 5-120 μg L-1 for methylphenols and 2-chlorophenol, 0.5-120 μg L-1 3-methyl-4-chlorophenol and 2,4-dichlorophenol). The recoveries from authentic spiked samples ranged from 85 to 100% with %RSDs of 0.2-14% for seawater and 81-107% with %RSD of 0.1-11% for produced water. The resulting MIP-based extraction requires no pre-conditioning of the sorbent, and because the required sample size is small and sample manipulation is limited, the method is easy to multiplex for high throughput sample processing.
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Affiliation(s)
- Ghadeer F Abu-Alsoud
- Department of Chemistry, Memorial University of Newfoundland, St. John's, NL, A1B 3X7, Canada
| | - Christina S Bottaro
- Department of Chemistry, Memorial University of Newfoundland, St. John's, NL, A1B 3X7, Canada.
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Sun F, Bai L, Li M, Yu C, Liu H, Qiao X, Yan H. Fabrication of edge-curled petals-like covalent organic frameworks and their properties for extracting indole alkaloids from complex biological samples. J Pharm Anal 2020; 12:96-103. [PMID: 35573883 PMCID: PMC9073138 DOI: 10.1016/j.jpha.2020.12.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 09/17/2020] [Accepted: 12/20/2020] [Indexed: 02/02/2023] Open
Abstract
In this study, a functionalized covalent-organic framework (COF) was first synthesized using porphyrin as the fabrication unit and showed an edge-curled, petal-like and well-ordered structure. The synthesized COF was then introduced to prepare porous organic polymer monolithic materials (POPMs). Two composite POPM/COF monolithic materials with rod shapes, referred to as sorbent A and sorbent B, were prepared in stainless steel tubes using different monomers. Sorbents A and B exhibited relatively uniform porous structures and enhanced specific surface areas of 153.14 m2/g and 80.01 m2/g, respectively. The prepared composite monoliths were used as in-tube solid-phase extraction (SPE) sorbents combined with HPLC for the on-line extraction and quantitative analytical systems. Indole alkaloids (from Catharanthus roseus G. Don and Uncaria rhynchophylla (Miq.) Miq. Ex Havil.) contained in mouse plasma were extracted and quantitatively analyzed using the online system. The two composite multifunctional monoliths showed excellent clean-up ability for complex biological matrices, as well as superior selectivity for target indole alkaloids. Method validation showed that the RSD values of the repeatability (n=6) were ≤ 3.46%, and the accuracy expressed by the spiked recoveries was in the ranges of 99.38%–100.91% and 96.39%–103.50% for vinca alkaloids and Uncaria alkaloids, respectively. Furthermore, sorbents A and B exhibited strong reusability, with RSD values ≤ 5.32%, which were based on the peak area of the corresponding alkaloids with more than 100 injections. These results indicate that the composite POPM/COF rod-shaped monoliths are promising media as SPE sorbents for extracting trace compounds in complex biological samples. Edge-curled petals-like COF was synthesized using porphyrin as the fabrication unit. In-tube monolithic POMP/COF composite SPE sorbents with rod-shape were fabricated. The in-tube sorbents were used to extract hence indole alkaloids from complex samples. The two homemade sorbents show strong reusability of more than 100 times.
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Affiliation(s)
- Fanrong Sun
- College of Pharmaceutical Sciences, Hebei University, Baoding, 071002, Hebei, China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Baoding, 071002, Hebei, China
| | - Ligai Bai
- College of Pharmaceutical Sciences, Hebei University, Baoding, 071002, Hebei, China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Baoding, 071002, Hebei, China
- Institute of Life Science and Green Development, Hebei University, Baoding, 071002, Hebei, China
- Corresponding author. College of Pharmaceutical Sciences, Hebei University, Baoding, 071002, Hebei, China.
| | - Mingxue Li
- College of Pharmaceutical Sciences, Hebei University, Baoding, 071002, Hebei, China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Baoding, 071002, Hebei, China
| | - Changqing Yu
- College of Pharmaceutical Sciences, Hebei University, Baoding, 071002, Hebei, China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Baoding, 071002, Hebei, China
| | - Haiyan Liu
- College of Pharmaceutical Sciences, Hebei University, Baoding, 071002, Hebei, China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Baoding, 071002, Hebei, China
- Institute of Life Science and Green Development, Hebei University, Baoding, 071002, Hebei, China
| | - Xiaoqiang Qiao
- College of Pharmaceutical Sciences, Hebei University, Baoding, 071002, Hebei, China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Baoding, 071002, Hebei, China
- Institute of Life Science and Green Development, Hebei University, Baoding, 071002, Hebei, China
| | - Hongyuan Yan
- College of Pharmaceutical Sciences, Hebei University, Baoding, 071002, Hebei, China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Baoding, 071002, Hebei, China
- Institute of Life Science and Green Development, Hebei University, Baoding, 071002, Hebei, China
- Corresponding author. College of Pharmaceutical Sciences, Hebei University, Baoding, 071002, Hebei, China.
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7
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Deep eutectic solvents-based polymer monolith incorporated with titanium dioxide nanotubes for specific recognition of proteins. Anal Chim Acta 2020; 1139:27-35. [DOI: 10.1016/j.aca.2020.09.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 09/04/2020] [Accepted: 09/06/2020] [Indexed: 12/15/2022]
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8
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Komendová M, Svobodová P, Urban J. Photografting of polymer monoliths by a crosslinking monomer. J Chromatogr A 2020; 1631:461558. [DOI: 10.1016/j.chroma.2020.461558] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/25/2020] [Accepted: 09/16/2020] [Indexed: 01/23/2023]
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9
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Yu H, Liu H, Pang X, Zhang M, Yan H, Bai L. Preparation of a composite monolith with functional graphene oxide and its application in the online enrichment of ursolic acid in medicinal plant. J Appl Polym Sci 2020. [DOI: 10.1002/app.49081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Huan Yu
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical SciencesHebei University Baoding China
- Key Laboratory of Medicinal Chemistry and Molecular DiagnosisMinistry of Education Baoding China
| | - Haiyan Liu
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical SciencesHebei University Baoding China
- Key Laboratory of Medicinal Chemistry and Molecular DiagnosisMinistry of Education Baoding China
| | - Xiaoya Pang
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical SciencesHebei University Baoding China
- Key Laboratory of Medicinal Chemistry and Molecular DiagnosisMinistry of Education Baoding China
| | - Miaomiao Zhang
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical SciencesHebei University Baoding China
- Key Laboratory of Medicinal Chemistry and Molecular DiagnosisMinistry of Education Baoding China
| | - Hongyuan Yan
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical SciencesHebei University Baoding China
- Key Laboratory of Medicinal Chemistry and Molecular DiagnosisMinistry of Education Baoding China
- College of Public HealthHebei University Baoding China
| | - Ligai Bai
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical SciencesHebei University Baoding China
- Key Laboratory of Medicinal Chemistry and Molecular DiagnosisMinistry of Education Baoding China
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10
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Kim YS, Kim JS, Sun G, An HJ, Cheong WJ. Ground Organic Particles of ca. 3 μm Size as Chromatographic Separation Media in High Performance Liquid Chromatography. Chromatographia 2020. [DOI: 10.1007/s10337-020-03894-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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11
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Eco-friendly production of metal nanoparticles immobilised on organic monolith for pepsin extraction. POLISH JOURNAL OF CHEMICAL TECHNOLOGY 2020. [DOI: 10.2478/pjct-2020-0004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Abstract
Polymer monoliths modified by using nanoparticles (NPs) integrate high NP specific surface area with different monolith surface chemistry and high porosity. As a result, they have extensive applications within different fields, whereas nanomaterial-functionalised porous polymer monoliths have elicited considerable interest from investigators. This study is aimed at fabricating organic polymer-based monoliths from polybutyl methacrylate-co-ethylenedimethacrylate (BuMA-co-EDMA) monoliths prior to immobilization of gold or silver metal on the pore surface of the monoliths using reducing reagent (extracts of lemon peels). This was intended to denote a sustainable technique of immobilizing nanoparticles that are advantageous over physical and chemical techniques because it is safe in terms of handling, readily available, environmentally friendly, and cheap. Two different methods were used in the study to effectively immobilize nanoparticles on monolithic components. The outcomes showed that soaking the monolith rod in the prepared nano solution directly and placing it within ovens at temperatures of 80°C constituted the most effective method. Characterisation of the fabricated monolith was undertaken using SEM/EDX analysis, UV-vis. spectra analysis, and visual observation. The SEM analysis showed that nanoparticles were extensively immobilised on the surface polymers. Another peak was attained through EDX analysis, thus confirming the Au atom existence at 2.83% alongside another peak that proved the Ag atom existence at 1.92%. The fabricated components were used as sorbents for purifying protein. The ideal performance was achieved using gold nanoparticles (GNPs) immobilised organic monolith that attained a greater pepsin extraction recovery compared to silver nanoparticles (SNPs) immobilised organic monoliths alongside bare organic-based monolith.
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12
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Shen YF, Zhang X, Mo CE, Huang YP, Liu ZS. Preparation of graphene oxide incorporated monolithic chip based on deep eutectic solvents for solid phase extraction. Anal Chim Acta 2020; 1096:184-192. [DOI: 10.1016/j.aca.2019.10.041] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 10/18/2019] [Accepted: 10/19/2019] [Indexed: 12/22/2022]
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13
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Kim YS, Kim JS, Sun G, Cheong WJ. Development of Ground Organic Monolith Particles as Packing Material in High Performance Liquid Chromatography. B KOREAN CHEM SOC 2020. [DOI: 10.1002/bkcs.11951] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Yune Sung Kim
- Department of ChemistryInha University Incheon 22212 South Korea
| | - Jeong Soo Kim
- Department of ChemistryInha University Incheon 22212 South Korea
| | - Genlin Sun
- Department of ChemistryInha University Incheon 22212 South Korea
| | - Won Jo Cheong
- Department of ChemistryInha University Incheon 22212 South Korea
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Sorribes-Soriano A, Valencia A, Esteve-Turrillas F, Armenta S, Herrero-Martínez J. Development of pipette tip-based poly(methacrylic acid-co-ethylene glycol dimethacrylate) monolith for the extraction of drugs of abuse from oral fluid samples. Talanta 2019; 205:120158. [DOI: 10.1016/j.talanta.2019.120158] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 07/12/2019] [Accepted: 07/15/2019] [Indexed: 12/23/2022]
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15
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Yang J, He S, Liu A, Chen J, Dong Y. Preparation of a poly(1, 6-hexylene dimethacrylate) conventional size high performance liquid chromatographic monolithic column for separation of small molecules. Microchem J 2019. [DOI: 10.1016/j.microc.2019.02.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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16
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Teixeira J, Tiritan ME, Pinto MMM, Fernandes C. Chiral Stationary Phases for Liquid Chromatography: Recent Developments. Molecules 2019; 24:E865. [PMID: 30823495 PMCID: PMC6429359 DOI: 10.3390/molecules24050865] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 02/17/2019] [Accepted: 02/26/2019] [Indexed: 12/13/2022] Open
Abstract
The planning and development of new chiral stationary phases (CSPs) for liquid chromatography (LC) are considered as continuous and evolutionary issues since the introduction of the first CSP in 1938. The main objectives of the development strategies were to attempt the improvement of the chromatographic enantioresolution performance of the CSPs as well as enlarge their versatility and range of applications. Additionally, the transition to ultra-high-performance LC were underscored. The most recent strategies have comprised the introduction of new chiral selectors, the use of new materials as chromatographic supports or the reduction of its particle size, and the application of different synthetic approaches for preparation of CSPs. This review gathered the most recent developments associated to the different types of CSPs providing an overview of the relevant advances that are arising on LC.
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Affiliation(s)
- Joana Teixeira
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
| | - Maria Elizabeth Tiritan
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Edifício do Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4050-208 Matosinhos, Portugal.
- Cooperativa de Ensino Superior, Politécnico e Universitário (CESPU), Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde (IINFACTS), Rua Central de Gandra, 1317, 4585-116 Gandra PRD, Portugal.
| | - Madalena M M Pinto
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Edifício do Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4050-208 Matosinhos, Portugal.
| | - Carla Fernandes
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Edifício do Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4050-208 Matosinhos, Portugal.
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Abstract
Nano liquid chromatography (nanoLC), with columns having an inner diameter (ID) of ≤100 μm, can provide enhanced sensitivity and enable analysis of limited samples.
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Affiliation(s)
- Steven Ray Wilson
- Department of Chemistry
- University of Oslo
- Oslo
- Norway
- Hybrid Technology Hub-Centre of Excellence
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18
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Huang LF, Jia B, Jiang L, Liu WL, Xia LY, Lv YK. Preparation of restricted-access material precolumns by grafting δ-gluconolactone onto a hybrid silica monolithic column for on-line solid-phase extraction of tetracycline residues from milk. J Sep Sci 2018; 42:843-850. [PMID: 30569534 DOI: 10.1002/jssc.201801130] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 12/11/2018] [Accepted: 12/11/2018] [Indexed: 12/16/2022]
Abstract
A restricted-access material-hybrid monolithic column was prepared based on single-component organosiloxane and dynamic grafting of δ-gluconolactone for on-line solid phase extraction of tetracycline antibiotic residues from milk. The hybrid monolithic column was prepared in a stainless-steel chromatographic column using methyltrimethoxysilane as the single precursor. δ-Gluconolactone was covalently coupled to aminopropyl derivatized hybrid monolithic column, which formed hydrophilic structures on the surface of the pore of the restricted-access material-hybrid monolithic column. The columns were characterized by scanning electron microscopy, thermogravimetric analysis, Fourier transform infrared spectroscopy, nitrogen adsorption, contact angle analysis, dynamic adsorption, and chromatographic performance evaluation. The restricted-access material-hybrid monolithic column was applied to the on-line extraction of tetracycline residues from milk. An enrichment factor of 15.8 and a good sample clean-up effect were obtained under the optimized conditions. The recoveries of the three spiked milk samples were between 81.7 and 102.5% with relative standard deviations (n = 3) in the range of 2-5%. The limits of detection (S/N = 3) for target compounds were in the range of 3.80-9.03 μg/kg. The results show that the on-line extraction using the restricted-access material-hybrid monolithic column was powerful for food sample pretreatment with high selectivity and good clean-up effect.
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Affiliation(s)
- Li-Fei Huang
- Key Laboratory of Analytical Science and Technology of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education & College of Chemistry and Environmental Science, Hebei University, Baoding, P. R. China
| | - Bo Jia
- Key Laboratory of Analytical Science and Technology of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education & College of Chemistry and Environmental Science, Hebei University, Baoding, P. R. China
| | - Lin Jiang
- Key Laboratory of Analytical Science and Technology of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education & College of Chemistry and Environmental Science, Hebei University, Baoding, P. R. China
| | - Wei-Lun Liu
- Key Laboratory of Analytical Science and Technology of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education & College of Chemistry and Environmental Science, Hebei University, Baoding, P. R. China
| | - Li-Ya Xia
- Key Laboratory of Analytical Science and Technology of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education & College of Chemistry and Environmental Science, Hebei University, Baoding, P. R. China
| | - Yun-Kai Lv
- Key Laboratory of Analytical Science and Technology of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education & College of Chemistry and Environmental Science, Hebei University, Baoding, P. R. China
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Candelaria L, Frolova LV, Kowalski BM, Artyushkova K, Serov A, Kalugin NG. Surface-modified three-dimensional graphene nanosheets as a stationary phase for chromatographic separation of chiral drugs. Sci Rep 2018; 8:14747. [PMID: 30282990 PMCID: PMC6170404 DOI: 10.1038/s41598-018-33075-w] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 09/21/2018] [Indexed: 01/09/2023] Open
Abstract
Carbon-based stationary phases for chromatographic separation have been commercially available since the 1980s. Porous graphitic carbon liquid chromatography columns are known to be highly resistant to aggressive mobile phases and extreme pH values of solvents and eluents, an important advantage compared to conventional silica-based alternatives. In our work, we demonstrate a new variant of carbon-based stationary phases for liquid chromatography, specifically developed for chiral separation. Mesoporous three-dimensional graphene nanosheets (3D GNS), functionalized with tetracyanoethylene oxide (TCNEO) and (S)-(+)-2-pyrrolidinemethanol, demonstrate pharmaceutical-grade chiral separation of model ibuprofen and thalidomide racemic mixtures when used as Chiral Stationary Phases (CSPs), with performance parameters comparable to currently commercially available CSPs. Simple covalent attachment of functionalization groups to the surface of mesoporous three-dimensional graphene nanosheets makes these carbon-based CSPs chemically stable and up to an order of magnitude less expensive than standard silica-based analogues.
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Affiliation(s)
- Lindsay Candelaria
- Department of Materials and Metallurgical Engineering, New Mexico Tech, Socorro, NM, 87801, USA
| | - Liliya V Frolova
- Department of Chemistry, New Mexico Tech, Socorro, NM, 87801, USA
| | - Brian M Kowalski
- Department of Materials and Metallurgical Engineering, New Mexico Tech, Socorro, NM, 87801, USA
| | - Kateryna Artyushkova
- Department of Biological and Chemical Engineering, University of New Mexico, Albuquerque, NM, 87131, USA
| | - Alexey Serov
- Department of Biological and Chemical Engineering, University of New Mexico, Albuquerque, NM, 87131, USA. .,Pajarito Powder, LLC, 3600 Osuna Rd NE, Suite 309, Albuquerque, NM, 87109, USA.
| | - Nikolai G Kalugin
- Department of Materials and Metallurgical Engineering, New Mexico Tech, Socorro, NM, 87801, USA.
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Abstract
A strategy for the preparation of silica-based monolithic capillary columns (150 × 0.1 mm) with high selectivity to amino acids is presented. The zwitterionic columns were prepared by coating the silica monolith with [2-(methacryloyloxy)ethyl]-dimethyl-(3-sulfopropyl)-ammonium hydroxide via 3-(trimethoxysilyl)propyl methacrylate. The columns were evaluated under isocratic conditions in hydrophilic interaction liquid chromatography. The best separation of amino acids was obtained on the monolithic column prepared by a stepwise modification procedure where the modification step was repeated four times. The mixture of fifteen amino acids was separated within 13 min using the mobile phase consisting of 75% acetonitrile and 25% 5 mmol/L ammonium acetate at pH 4.5.
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Zhou XJ, Zhang LS, Song WF, Huang YP, Liu ZS. A polymer monolith incorporating stellate mesoporous silica nanospheres for use in capillary electrochromatography and solid phase microextraction of polycyclic aromatic hydrocarbons and organic small molecules. Mikrochim Acta 2018; 185:444. [DOI: 10.1007/s00604-018-2964-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 08/16/2018] [Indexed: 10/28/2022]
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