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Alshogran OY, Dodeja P, Albukhaytan H, Laffey T, Chaphekar N, Caritis S, Shaik IH, Venkataramanan R. Drugs in Human Milk Part 1: Practical and Analytical Considerations in Measuring Drugs and Metabolites in Human Milk. Clin Pharmacokinet 2024; 63:561-588. [PMID: 38748090 DOI: 10.1007/s40262-024-01374-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/11/2024] [Indexed: 05/22/2024]
Abstract
Human milk is a remarkable biofluid that provides essential nutrients and immune protection to newborns. Breastfeeding women consuming medications could pass the drug through their milk to neonates. Drugs can be transferred to human milk by passive diffusion or active transport. The physicochemical properties of the drug largely impact the extent of drug transfer into human milk. A comprehensive understanding of the physiology of human milk formation, composition of milk, mechanisms of drug transfer, and factors influencing drug transfer into human milk is critical for appropriate selection and use of medications in lactating women. Quantification of drugs in the milk is essential for assessing the safety of pharmacotherapy during lactation. This can be achieved by developing specific, sensitive, and reproducible analytical methods using techniques such as liquid chromatography coupled with mass spectrometry. The present review briefly discusses the physiology of human milk formation, composition of human milk, mechanisms of drug transfer into human milk, and factors influencing transfer of drugs from blood to milk. We further expand upon and critically evaluate the existing analytical approaches/assays used for the quantification of drugs in human milk.
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Affiliation(s)
- Osama Y Alshogran
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
| | - Prerna Dodeja
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA
| | - Hamdan Albukhaytan
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA
| | - Taylor Laffey
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA
| | - Nupur Chaphekar
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA
| | - Steve Caritis
- Department of Obstetrics, Gynecology and Reproductive Sciences, School of Medicine, UPMC Magee-Women's Hospital, Pittsburgh, PA, USA
| | - Imam H Shaik
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA.
- Department of Pharmacy and Therapeutics, School of Pharmacy, University of Pittsburgh, 3501 Terrace Street, Room 7406, Salk Hall, Pittsburgh, PA, 15261, USA.
| | - Raman Venkataramanan
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA.
- Department of Pathology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
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2
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Salami M, Alizadeh R, Talebpour Z. Determination of breast cancer biomarkers with poly acrylic acid/ MIL-88(Fe)-NH 2 hydrogel as a coating for stir bar sorptive extraction. J Chromatogr A 2024; 1717:464708. [PMID: 38330846 DOI: 10.1016/j.chroma.2024.464708] [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: 11/12/2023] [Revised: 01/16/2024] [Accepted: 02/01/2024] [Indexed: 02/10/2024]
Abstract
The Poly acrylic acid/MIL-88(Fe)-NH2 composite material, carefully prepared, is employed as a sorbent for the stir bar. The best formula of the composite was selected by investigation of two parameters including the cross-linker of PAA and MIL-88(Fe)-NH2 content. The prepared stir bar was used for extraction of 2-pentanone, 2-heptanone, ethyl propionate, para-xylene, 1,2,4-trimethylbenzene, o-cresol, m-cresol in urine samples as breast cancer biomarkers with gas chromatography-flame ionization detector. The prepared Poly acrylic acid / MIL-88(Fe)-NH2 as sorbent for the stir bar demonstrate good repeatability of one bar (relative standard deviation (RSD%) < 4.61 %) and satisfactory reproducibility between two bars (RSD% < 6.85 %). The central composite design method was applied for the optimization of extraction parameters. Under the optimum conditions, linear dynamic ranges for compounds were in the acceptable range with correlation coefficients higher than 0.99. Detection limits of them were less than 1.71 µg L-1.
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Affiliation(s)
- Maryam Salami
- Department of Analytical Chemistry, Faculty of Chemistry, Alzahra University, Vanak, Tehran, Iran
| | - Reza Alizadeh
- Department of Chemistry, Faculty of Science, University of Qom, Qom, Iran.
| | - Zahra Talebpour
- Department of Analytical Chemistry, Faculty of Chemistry, Alzahra University, Vanak, Tehran, Iran; Analytical and Bioanalytical Research Centre, Alzahra University, Tehran 19938-93973, Iran.
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3
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Ge Z, Zhao Y, Li J, Si Z, Du W, Su H. Multifunctional molecularly imprinted nanozymes with improved enrichment and specificity for organic and inorganic trace compounds. NANOSCALE 2024; 16:2608-2620. [PMID: 38226643 DOI: 10.1039/d3nr03968d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
Although nanozymes exhibit properties superior to those of natural enzymes and conventional engineered enzymes, the development of highly specific nanozymes remains a challenge. New yolk-shell Fe3O4 molecularly imprinted (MIP@void@Fe3O4) nanozymes with peroxidase-like activity were developed by modelling the substrate channels of natural enzymes through molecular imprinting techniques and interfacial affinity modifications in this study. To establish a platform technology for the adsorption and determination of inorganic and organic contaminants, lead ion (Pb2+) and diazinon (DIZ), respectively, were selected as imprinting templates, and a hollow mesoporous shell was synthesized. The as-prepared MIP@void@Fe3O4 nanozymes, characterized using TEM, HRTEM, SEM, FT-IR, TGA, VSM and XPS, not only affirmed the successful fabrication of a magnetic nanoparticle with a unique hollow core-shell structure but also facilitated an exploration of the interfacial bonding mechanisms between Fe3O4 and other shell layers. The enrichment of the MIP@void@Fe3O4 nanozymes due to imprinting was approximately 5 times higher than the local substrate concentration and contributed to the increased activity. Based on selective and competitive recognition experiments, the synthesized nanozymes could selectively recognize organic and inorganic targets with the lowest detection limits (LOD) of 6.6 × 10-9 ppm for Pb2+ and 5.13 × 10-11 M for DIZ. Therefore, the proposed biosensor is expected to be a potent tool for trace pollutant detection, which provides a rational design for more advanced and subtle methods to bridge the activity gap between natural enzymes and nanozymes.
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Affiliation(s)
- Zhanyi Ge
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China.
| | - Yilin Zhao
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China.
| | - Jiayi Li
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China.
| | - Zhaobo Si
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China.
| | - Wenbo Du
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China.
| | - Haijia Su
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China.
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4
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Duan Y, Xu Z, Liu Z. A multi-site recognition molecularly imprinted solid-phase microextraction fiber for selective enrichment of three cross-class environmental endocrine disruptors. J Mater Chem B 2023; 11:1020-1028. [PMID: 36637004 DOI: 10.1039/d2tb02156k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Molecularly imprinted solid-phase microextraction fibers with multi-site recognition were prepared for the simultaneous enrichment of three cross-class environmental endocrine disruptors (EEDs) in environmental water. The surface morphology of the multi-site recognition molecularly imprinted fibers was characterized using scanning electron microscopy, atomic force microscopy, Fourier transform infrared spectroscopy, and surface area and pore size analyzer. Under optimal extraction conditions, the molecularly imprinted fibers showed higher extraction capacity to bisphenol F, diethyl phthalate, and methyl paraben than non-imprinted polymer fibers and commercial fibers. Compared with commercial solid-phase microextraction fibers, the multi-site recognition molecularly imprinted fibers showed superior extraction performance at different concentrations of analytes. The selectivity study confirmed that the multi-site recognition molecularly imprinted solid-phase microextraction fibers were highly selective not only for specific template molecules but also for bisphenols, parabens, and phthalates. Furthermore, the method achieved a limit of detection of 0.003-0.02 μg L-1 for the three cross-class EEDs in environmental water samples with recoveries ranging from 75.76% to 112.69% and relative standard deviations below 11.46%. Thus, the novel MIP fibers with multi-site recognition prepared in this work have provided a promising approach in the field of specific adsorption and a strategy for the simultaneous and sensitive monitoring of multiple cross-class trace EEDs.
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Affiliation(s)
- Yunli Duan
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China.
| | - Zhigang Xu
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China.
| | - Zhimin Liu
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China.
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Sorribes-Soriano A, Albert Esteve-Turrillas F, Armenta S, Manuel Herrero-Martínez J. Molecularly imprinted polymer –stir bar sorptive extraction of diazepam from natural water. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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6
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Sun M, Wang X, Ding Y, Feng J. Titania hybridized melamine–formaldehyde aerogel for online in-tube solid-phase microextraction of polycyclic aromatic hydrocarbons prior to HPLC–DAD. Mikrochim Acta 2022; 189:456. [DOI: 10.1007/s00604-022-05572-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 11/06/2022] [Indexed: 11/24/2022]
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Green bioanalysis: an innovative and eco-friendly approach for analyzing drugs in biological matrices. Bioanalysis 2022; 14:881-909. [PMID: 35946313 DOI: 10.4155/bio-2022-0095] [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: 11/17/2022] Open
Abstract
Green bioanalytical techniques aim to reduce or eliminate the hazardous waste produced by bioanalytical technologies. A well-organized and practical approach towards bioanalytical method development has an enormous contribution to the green analysis. The selection of the appropriate sample extraction process, organic mobile phase components and separation technique makes the bioanalytical method green. UHPLC-MS is the best option, whereas supercritical fluid chromatography is one of the most effective green bioanalytical procedures. Nevertheless, there remains excellent scope for further research on green bioanalytical methods. This review details the various sample preparation techniques that follow green analytical chemistry principles. Furthermore, it presents green solvents as a replacement for conventional organic solvents and highlights the strategies to convert modern analytical techniques to green methods.
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Mussel Inspired Polydopamine as Silica Fibers Coating for Solid-Phase Microextraction. SEPARATIONS 2022. [DOI: 10.3390/separations9080194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/10/2022] Open
Abstract
Commercial solid-phase microextraction fibers are available in a limited number of expensive coatings, which often contain environmentally harmful substances. Consequently, several different approaches have been used in the attempt to develop new sorbents that should possess intrinsic characteristics such as duration, selectivity, stability, and eco-friendliness. Herein we reported a straightforward, green, and easy coating method of silica fibers for solid-phase microextraction with polydopamine (PDA), an adhesive, biocompatible organic polymer that is easily produced by oxidative polymerization of dopamine in mild basic aqueous conditions. After FT-ATR and SEM characterization, the PDA fibers were tested via chromatographic analyses performed on UHPLC system using biphenyl and benzo(a)pyrene as model compounds, and their performances were compared with those of some commercial fibers. The new PDA fiber was finally used for the determination of selected PAHs in soot samples and the results compared with those obtained using the commercial PA fiber. Good reproducibility, extraction stability, and linearity were obtained using the PDA coating, which proved to be a very promising new material for SPME.
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10
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Ali F, Shah Z, Khan A, Saadia M, AlOthman ZA, Cheong WJ. Synthesis, column packing and liquid chromatography of molecularly imprinted polymers for the acid black 1, acid black 210, and acid Brown 703 dyes. RSC Adv 2022; 12:19611-19623. [PMID: 35865557 PMCID: PMC9258683 DOI: 10.1039/d2ra02357a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 06/23/2022] [Indexed: 01/29/2023] Open
Abstract
Molecularly imprinted polymers have been synthesized for the acid black 1, acid black 210, and acid brown 703 dyes using methacrylic acid, ethylene glycol, and azobisisobutyronitrile as the monomer, cross-linker, and initiator, respectively, in the ratio of 1 : 10 : 44 (template:monomer:cross-linker). The MIPs were used for the selective removal of their corresponding dyes. The selective nature of the MIPs towards their respective dyes was confirmed by a homemade liquid chromatography system. The resultant polymer materials were packed in a stainless steel column and checked for the separation of mixtures of dyes in liquid chromatography. The dyes complementary in structure to the imprinted cavities in the MIPs had long retention times, showing the highly selective nature of the MIPs. The pH, quantity of the MIPs, time, and concentration of the dyes were optimized for the highly efficient removal of the newly synthesized MIP adsorbents in batch adsorption studies. First-order, second-order, and intra-particle diffusion models were applied to all the three MIP-based adsorbents for their kinetic investigations towards the dyes. All the three MIPs selectively absorbed their target template molecule in the presence of four other template dyes having closely related structures with % RSD < 4% for the three batch experiments. The synthesized MIPs were characterized by FTIR, SEM imaging and liquid chromatography. FTIR results strongly confirmed the presence of hydrogen bonding interactions (600–900) between the template and the individual monomers present in the unwashed MIPs. Liquid chromatography revealed the highly selective nature of the MIPs towards their template molecules. The synthesized polymeric substances possess excellent thermal, chemical, and mechanical stability and can be reused several hundred times. The MIPs were applied in the removal of dyes from spiked water samples (river water, tap water and distilled water) where the % removal of the dyes by their corresponding MIPs was greater than 90%. MIP synthesis for the recently emerging dyes, a new method for their characterization in liquid chromatography by packing packing the MIP particles in a stainless steel column, and their application in environmental remediation.![]()
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Affiliation(s)
- Faiz Ali
- Department of Chemistry, University of Malakand Chakdara Dir(L) 18800 Khyber Pakhtunkhwa Pakistan
| | - Zuber Shah
- Department of Chemistry, University of Malakand Chakdara Dir(L) 18800 Khyber Pakhtunkhwa Pakistan
| | - Alamgir Khan
- Department of Chemistry, University of Malakand Chakdara Dir(L) 18800 Khyber Pakhtunkhwa Pakistan
| | - Maria Saadia
- Department of Chemistry, University of Malakand Chakdara Dir(L) 18800 Khyber Pakhtunkhwa Pakistan
| | - Zeid A AlOthman
- Department of Chemistry, College of Science, King Saud University Riyadh 11451 Saudi Arabia
| | - Won Jo Cheong
- Department of Chemistry, Inha University 100 Inharo, Namku Incheon 402-751 South Korea
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11
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Feyzioğlu Demir E, Akgöl S. Synthesis and characterization of double molecular imprinted nanoparticles and investigation to adsorption of respiratory drugs. POLYM-PLAST TECH MAT 2022. [DOI: 10.1080/25740881.2021.1991949] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Affiliation(s)
- Esra Feyzioğlu Demir
- Department of Medical Laboratory Techniques, Vocational School of Health Services, Izmir University of Economics, Izmir, Turkey
| | - Sinan Akgöl
- Department of Biochemistry, Faculty of Science, Ege University, Izmir, Turkey
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12
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Taghizadeh M, Ebrahimi M, Fooladi E, Yoosefian M. Preconcentration and determination of five antidepressants from human milk and urine samples by stir bar filled magnetic ionic liquids using liquid-liquid-liquid microextraction-high performance liquid chromatography. J Sep Sci 2022; 45:1434-1444. [PMID: 35231956 DOI: 10.1002/jssc.202100617] [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: 08/04/2021] [Revised: 02/02/2022] [Accepted: 02/09/2022] [Indexed: 11/11/2022]
Abstract
A sensitive and straightforward liquid-liquid-liquid microextraction method was developed to preconcentrate and cleanup antidepressants, including mirtazapine, venlafaxine, escitalopram, fluoxetine, and fluvoxamine, from biological samples before analyzing with high-performance liquid chromatography. The essential novelty of this study is using magnetic ionic liquids as the extraction phase in the lumen of hollow fiber and preparing a liquid magnetic stir bar. In the method, polypropylene hollow fiber was utilized as the permeable membrane for the analyte extraction. Six magnetic ionic liquids consisting of the transition metal and rare earth compounds were synthesized and then injected hollow fiber lumen as acceptor phase to extract the antidepressants. Besides, 3-pentanol as a water-immiscible solvent was impregnated in the hollow fiber wall pores. The effective factors in the method were optimized with the central composition design. The resultant calibration curves were linear over the concentration range of 0.8-400.0 ng mL-1 (R2 ≥ 0.996). The method displayed the proper detection limit (0.11-0.24 ng mL-1 ), the reasonable limit of quantification (≤0.79 ng mL-1 ), wide linear ranges, high preconcentration factors (≥294.3), and suitable relative standard deviation (2.31-5.47%) for measuring antidepressant medications. Analysis of human milk and urine samples showed acceptable recoveries of 96.5-103.8% with excellent relative standard deviations lower than 5.95%. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Mohabat Taghizadeh
- Department of Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Mahmoud Ebrahimi
- Department of Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Ebrahim Fooladi
- Department of Food Safety and Quality Control, Research Institute of Food Science and Technology (RIFST), Mashhad, Iran
| | - Mehdi Yoosefian
- Department of Nanotechnology, Graduate University of Advanced Technology, Kerman, Iran
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13
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Molecularly imprinted polymers as a selective sorbent for forensic applications in biological samples-a review. Anal Bioanal Chem 2021; 413:6013-6036. [PMID: 34430982 DOI: 10.1007/s00216-021-03596-x] [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: 06/06/2021] [Revised: 07/14/2021] [Accepted: 08/02/2021] [Indexed: 01/09/2023]
Abstract
Molecularly imprinted polymers (MIP) consist of a molecular recognition technology with applicability in different areas, including forensic chemistry. Among the forensic applications, the use of MIP in biological fluid analysis has gained prominence. Biological fluids are complex samples that generally require a pre-treatment to eliminate interfering agents to improve the results of the analyses. In this review, we address the development of this molecular imprinting technology over the years, highlighting the forensic applications of molecularly imprinted polymers in biological sample preparation for analysis of stimulant drugs such as cocaine, amphetamines, and nicotine.
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14
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Bahrami M, Pirmohammadi Z, Bahrami A. A review of new adsorbents for separation of BTEX biomarkers. Biomed Chromatogr 2021; 35:e5131. [PMID: 33788293 DOI: 10.1002/bmc.5131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 03/17/2021] [Accepted: 03/26/2021] [Indexed: 01/09/2023]
Abstract
The biomarker analysis of benzene, toluene, ethylbenzene and xylene (BTEXs) in biological samples is the primary technique for evaluating these compounds in occupational and environmental exposures. The BTEX biomarkers are widely used to study the BTEX distribution in the environment and workplaces. Liquid-liquid extraction and solid-phase liquid extraction are among the most commonly used conventional methods to analyze biological indices of BTEXs. New methods have been proposed to analyze BTEX biomarkers using novel adsorbents such as sol-gel composite nanotubes, molecularly imprinted polymers and metal-organic frameworks, which are based on the application of needle trap devices, microextraction by packed sorbent, and solid-phase microextraction techniques. This paper provides an overview of new methods since 2015 regarding applying microextraction methods based on new adsorbents and analyzing BTEX biomarker compounds for occupational and environmental exposures. The results were compared with the liquid-phase microextraction methods recommended for urinary BTEX biomarkers.
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Affiliation(s)
- Mohammadreza Bahrami
- Department of Health, Safety and Environment, School of Environment, College of Engineering, University of Tehran, Kish, Iran
| | - Zahra Pirmohammadi
- Center of Excellence for Occupational Health, Occupational Health and Safety Research Center, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Abdulrahman Bahrami
- Center of Excellence for Occupational Health, Occupational Health and Safety Research Center, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
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Abstract
Solid phase microextraction (SPME) is one of the most popular sample preparation methods which can be applied to organic compounds allowing the simultaneous extraction and pre-concentration of analytes from the sample matrix. It is based on the partitioning of the analyte between the extracting phase, generally immobilized on a fiber substrate, and the matrix (water, air, etc.), and has numerous advantages such as rapidity, simplicity, low cost, ease of use and automation, and absence of toxic solvents. Fiber SPME has been widely used in combination with various analytical instrumentation even if most of the work has been done coupling the extraction technique with gas and liquid chromatography (GC and LC). This manuscript presents an overview of the recent works (from 2010 to date) of solid phase microextraction coupled to liquid chromatography (SPME-LC) relevant to analytical applications performed using commercially available fibers or lab-made fibers already developed in previous papers, and to improved instrumental systems and approaches.
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16
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Li C, Yang H, Yu W, Yu X, Wen K, Shen J, Wang Z. Engineering of Organic Solvent-Tolerant Antibody to Sulfonamides by CDR Grafting for Analytical Purposes. Anal Chem 2021; 93:6008-6012. [PMID: 33728902 DOI: 10.1021/acs.analchem.1c00633] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The use of organic solvents to extract chemical contaminants for an immunoassay is mostly inevitable. On this occasion, the intolerance of natural antibodies against organic solvent is detrimental to the performance of immunoassays in terms of sensitivity, assay time, accuracy, and precision. Few studies have focused on improving the low tolerance of natural antibodies to organic solvents for analytical purposes. In this study, we engineered the monoclonal antibody (mAb) 4D11 to sulfonamides through CDR grafting by using one proven highly stable humanized antibody (hAb) 4D5 for the first time. The engineered antibody hAb 4D11 showed significantly improved tolerance abilities to acetonitrile (2% to 20%) and methanol (10% to 20%), and retained the highly affinity and class-specificity to sulfonamides. This study provided a general strategy to improve antibody tolerance to organic solvents and was greatly beneficial to the robust development of immunoassays.
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Affiliation(s)
- Chenglong Li
- College of Veterinary Medicine, China Agricultural University, 100193 Beijing, People's Republic of China
| | - Huijuan Yang
- College of Veterinary Medicine, China Agricultural University, 100193 Beijing, People's Republic of China
| | - Wenbo Yu
- College of Veterinary Medicine, China Agricultural University, 100193 Beijing, People's Republic of China.,Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China
| | - Xuezhi Yu
- College of Veterinary Medicine, China Agricultural University, 100193 Beijing, People's Republic of China.,Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China
| | - Kai Wen
- College of Veterinary Medicine, China Agricultural University, 100193 Beijing, People's Republic of China.,Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China
| | - Jianzhong Shen
- College of Veterinary Medicine, China Agricultural University, 100193 Beijing, People's Republic of China.,Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China
| | - Zhanhui Wang
- College of Veterinary Medicine, China Agricultural University, 100193 Beijing, People's Republic of China.,Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, 100193 Beijing, People's Republic of China
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17
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Ghorbani M, Aghamohammadhassan M, Ghorbani H, Zabihi A. Trends in sorbent development for dispersive micro-solid phase extraction. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105250] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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18
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Fresco-Cala B, Batista AD, Cárdenas S. Molecularly Imprinted Polymer Micro- and Nano-Particles. A review. Molecules 2020; 25:E4740. [PMID: 33076552 PMCID: PMC7587572 DOI: 10.3390/molecules25204740] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 10/10/2020] [Accepted: 10/13/2020] [Indexed: 12/12/2022] Open
Abstract
In recent years, molecularly imprinted polymers (MIPs) have become an excellent solution to the selective and sensitive determination of target molecules in complex matrices where other similar and relative structural compounds could coexist. Although MIPs show the inherent properties of the polymers, including stability, robustness, and easy/cheap synthesis, some of their characteristics can be enhanced, or new functionalities can be obtained when nanoparticles are incorporated in their polymeric structure. The great variety of nanoparticles available significantly increase the possibility of finding the adequate design of nanostructured MIP for each analytical problem. Moreover, different structures (i.e., monolithic solids or MIPs micro/nanoparticles) can be produced depending on the used synthesis approach. This review aims to summarize and describe the most recent and innovative strategies since 2015, based on the combination of MIPs with nanoparticles. The role of the nanoparticles in the polymerization, as well as in the imprinting and adsorption efficiency, is also discussed through the review.
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Affiliation(s)
- Beatriz Fresco-Cala
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, 89081 Ulm, Germany;
| | - Alex D. Batista
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, 89081 Ulm, Germany;
| | - Soledad Cárdenas
- Departamento de Química Analítica, Instituto Universitario de Investigación en Química Fina y Nanoquímica IUNAN, Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie, E-14071 Córdoba, Spain
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19
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Mehdipour M, Ansari M, Pournamdari M, Zeidabadinejad L, Kazemipour M. Selective extraction of malathion from biological fluids by molecularly imprinted polymer coated on spinel ZnFe2O4 magnetic nanoparticles based on green synthesis. SEP SCI TECHNOL 2020. [DOI: 10.1080/01496395.2020.1803912] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Mohammad Mehdipour
- Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, Iran
- Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Mehdi Ansari
- Department of Drug and Food Control, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Mostafa Pournamdari
- Department of Drug and Food Control, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
- Department of Medicinal Chemistry, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | | | - Maryam Kazemipour
- Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, Iran
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Silva IA, Veras BO, Ribeiro BG, Aguiar JS, Campos Guerra JM, Luna JM, Sarubbo LA. Production of cupcake-like dessert containing microbial biosurfactant as an emulsifier. PeerJ 2020; 8:e9064. [PMID: 32351793 PMCID: PMC7183308 DOI: 10.7717/peerj.9064] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 04/05/2020] [Indexed: 12/27/2022] Open
Abstract
This work describes the application of the biosurfactant from Candida bombicola URM 3718 as a meal additive like cupcake. The biosurfactant was produced in a culture medium containing 5% sugar cane molasses, 5% residual soybean oil and 3% corn steep liquor. The surface and interfacial tension of the biosurfactant were 30.790 ± 0.04 mN/m and 0.730 ± 0.05 mN/m, respectively. The yield in isolated biosurfactant was 25 ± 1.02 g/L and the CMC was 0.5 g/L. The emulsions of the isolated biosurfactant with vegetable oils showed satisfactory results. The microphotographs of the emulsions showed that increasing the concentration of biosurfactant decreased the oil droplets, increasing the stability of the emulsions. The biosurfactant was incorporated into the cupcake dessert formulation, replacing 50%, 75% and 100% of the vegetable fat in the standard formulation. Thermal analysis showed that the biosurfactant is stable for cooking cupcakes (180 °C). The biosurfactant proved to be promising for application in foods low in antioxidants and did not show cytotoxic potential in the tested cell lines. Cupcakes with biosurfactant incorporated in their dough did not show significant differences in physical and physical–chemical properties after baking when compared to the standard formulation. In this way, the biosurfactant has potential for application in the food industry as an emulsifier for flour dessert.
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Affiliation(s)
- Ivison A Silva
- Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil.,Instituto Avançado de Tecnologia e Inovação (IATI), Recife, Pernambuco, Brazil
| | - Bruno O Veras
- Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | | | | | | | - Juliana M Luna
- Instituto Avançado de Tecnologia e Inovação (IATI), Recife, Pernambuco, Brazil.,Universidade Católica de Pernambuco, Recife, Pernambuco, Brazil
| | - Leonie A Sarubbo
- Instituto Avançado de Tecnologia e Inovação (IATI), Recife, Pernambuco, Brazil.,Universidade Católica de Pernambuco, Recife, Pernambuco, Brazil
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Facile preparation of carbon nanotube-based molecularly imprinted monolithic stirred unit. Anal Bioanal Chem 2020; 412:6341-6349. [DOI: 10.1007/s00216-020-02570-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 02/23/2020] [Accepted: 03/02/2020] [Indexed: 12/22/2022]
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Jalili V, Barkhordari A, Ghiasvand A. New extraction media in microextraction techniques. A review of reviews. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104386] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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24
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Recent advances of modern sample preparation techniques for traditional Chinese medicines. J Chromatogr A 2019; 1606:460377. [DOI: 10.1016/j.chroma.2019.460377] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Revised: 07/14/2019] [Accepted: 07/17/2019] [Indexed: 12/27/2022]
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Novel MIPs-Parabens based SPE Stationary Phases Characterization and Application. Molecules 2019; 24:molecules24183334. [PMID: 31540217 PMCID: PMC6767171 DOI: 10.3390/molecules24183334] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 09/09/2019] [Accepted: 09/10/2019] [Indexed: 12/04/2022] Open
Abstract
In this work, the synthesis, characterization, and application of novel parabens imprinted polymers as highly selective solid-phase extraction (SPE) sorbents have been reported. The imprinted polymers were created using sol–gel molecular imprinting process. All the seven parabens were considered herein in order to check the phase selectivity. By means of a validated HPLC-photodiode array detector (PDA) method all seven parabens were resolved in a single chromatographic run of 25 min. These SPE sorbents, in-house packed in SPE empty cartridges, were first characterized in terms of extraction capability, breakthrough volume, retention volume, hold-up volume, number of theoretical plates, and retention factor. Finally, the device was applied to a real urine sample to check the method feasibility on a very complex matrix. The new paraben imprinted SPE sorbents, not yet present in the literature, potentially encourage the development of novel molecularly imprinted polymers (MIPs) to enhance the extraction efficiency, and consequently the overall analytical performances, when the trace quantification is required.
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Safaryan AHM, Smith AM, Bedwell TS, Piletska EV, Canfarotta F, Piletsky SA. Optimisation of the preservation conditions for molecularly imprinted polymer nanoparticles specific for trypsin. NANOSCALE ADVANCES 2019; 1:3709-3714. [PMID: 36133545 PMCID: PMC9419252 DOI: 10.1039/c9na00327d] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 08/20/2019] [Indexed: 05/22/2023]
Abstract
The influence of lyophilisation, autoclaving and sonication on the stability and performance of trypsin-specific molecularly imprinted polymer nanoparticles (MIP NPs) has been studied in order to improve their long-term physical stability. Glucose, glycine, sorbitol and trehalose were tested as cryoprotectant agents during the lyophilisation treatment. The effect of lyophilisation and sterilisation on affinity of trypsin-specific NPs was assessed using Biacore 3000 instrument. The results have demonstrated that MIP NPs successfully withstood the lyophilisation and autoclaving conditions without a reduction of their recognition properties and affinity. It is possible to conclude that both tested lyophilisation and sterilisation treatments were suitable for a long-term storage of the prepared MIP NPs and could be used to store MIP NPs in dry state and hence reduce the chance of the bacterial contamination. An effective preservation of the MIP NPs is a crucial requirement for their future applications in the clinical diagnostics and bioimaging.
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Affiliation(s)
- Abeer H M Safaryan
- Chemistry Department, Science College, Mustansiriyah University Baghdad Iraq
- Department of Chemistry, College of Science and Engineering, University of Leicester LE1 7RH UK
| | - Adam M Smith
- Department of Chemistry, College of Science and Engineering, University of Leicester LE1 7RH UK
| | - Thomas S Bedwell
- Department of Chemistry, College of Science and Engineering, University of Leicester LE1 7RH UK
| | - Elena V Piletska
- Department of Chemistry, College of Science and Engineering, University of Leicester LE1 7RH UK
| | | | - Sergey A Piletsky
- Department of Chemistry, College of Science and Engineering, University of Leicester LE1 7RH UK
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Hydrophilic Molecularly Imprinted Chitosan Based on Deep Eutectic Solvents for the Enrichment of Gallic Acid in Red Ginseng Tea. Polymers (Basel) 2019; 11:polym11091434. [PMID: 31480529 PMCID: PMC6780181 DOI: 10.3390/polym11091434] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/20/2019] [Accepted: 08/30/2019] [Indexed: 12/11/2022] Open
Abstract
Hydrophilic molecularly imprinted chitosan (HMICS) were synthesized based on hydrophilic deep eutectic solvents (DESs) and the DESs was used as both a template and functional monomer for the enrichment of gallic acid (GA) from red ginseng tea using a solid phase microextraction (SPME) method. Using the response surface methodology (RSM) strategy, the optimal extraction amount (8.57 mg·g−1) was found to be an extraction time of 30 min, a solid to liquid ratio of 20 mg·mL−1, and five adsorption/desorption cycles. Compared to traditional methods, the produced HMICS-SPME exhibited the advantages of simplicity of operation, higher recovery and selectivity, improved analytical characteristics and reduced sample and reagent consumption, and it is expected to promote the rapid development and wide applications of molecular imprinting.
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Sorribes-Soriano A, Arráez-González R, Esteve-Turrillas F, Armenta S, Herrero-Martínez J. Development of a molecularly imprinted monolithic polymer disk for agitation-extraction of ecgonine methyl ester from environmental water. Talanta 2019; 199:388-395. [DOI: 10.1016/j.talanta.2019.02.077] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 02/19/2019] [Accepted: 02/21/2019] [Indexed: 10/27/2022]
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Li J, Zhao L, Wei C, Sun Z, Zhao S, Cai T, Gong B. Preparation of restricted access media molecularly imprinted polymers for efficient separation and enrichment ofloxacin in bovine serum samples. J Sep Sci 2019; 42:2491-2499. [DOI: 10.1002/jssc.201900103] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 05/13/2019] [Accepted: 05/15/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Jianmin Li
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
| | - Lijuan Zhao
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
- Ningxia entry‐exit inspection and quarantine bureau comprehensive technology center Yinchuan P. R. China
| | - Chanling Wei
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
- Ningxia entry‐exit inspection and quarantine bureau comprehensive technology center Yinchuan P. R. China
| | - Zhian Sun
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
| | - Shanwen Zhao
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
| | - Tianpei Cai
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
| | - Bolin Gong
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
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Tang W, Row KH. Fabrication of Water-Compatible Molecularly Imprinted Resin in a Hydrophilic Deep Eutectic Solvent for the Determination and Purification of Quinolones in Wastewaters. Polymers (Basel) 2019; 11:polym11050871. [PMID: 31086066 PMCID: PMC6571955 DOI: 10.3390/polym11050871] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 05/07/2019] [Accepted: 05/10/2019] [Indexed: 02/07/2023] Open
Abstract
A novel water-compatible molecularly imprinted resin was prepared in a green solvent deep eutectic solvent (DES). Resorcinol and melamine, as functional monomers with an abundant hydrophilic group, such as –OH, –NH2 and –NH–, were introduced into the molecularly imprinted resin (MIR). Three DESs (choline chloride-ethylene glycol, tetramethylammonium bromide-ethylene glycol and tetramethylammonium chloride-ethylene glycol) were used to synthesize the molecularly imprinted resin and the resulting deep eutectic solvent-based molecularly imprinted resins were characterized by particle size analysis, elemental analysis, scanning electron microscopy, Fourier transform infrared spectroscopy and thermogravimetric analysis. The resulting deep eutectic solvent-based molecularly imprinted resins were then applied to the adsorption of quinolones (ofloxacin) in water. The adsorption process of deep eutectic solvent-based molecularly imprinted resin followed the static adsorption model, Langmuir isotherm (R2 ≥ 0.9618) and kinetic model pseudo-second-order (R2 > 0.9814). The highest theory adsorption ability of the three kinds of deep eutectic solvent-based molecularly imprinted resins was more than 23.79 mg/g. The choline chloride-ethylene glycol-based MIR was applied to solid-phase extraction for the determination and purification of quinolones (e.g., ciprofloxacin and ofloxacin). The detection limit of deep eutectic solvent-based molecularly imprinted resin-solid-phase extraction method was less than 0.018 mg/L. The recoveries of the deep eutectic solvent-based molecularly imprinted resin-solid-phase extraction method at three spiked levels were 88.7–94.5%, with a relative standard deviation of ≤4.8%. The novel deep eutectic solvent-based molecularly imprinted resin-solid-phase extraction method is a simple, selective and accurate pre-treatment method and can be used to determine the quinolones in environmental water.
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Affiliation(s)
- Weiyang Tang
- Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-701, Korea.
| | - Kyung Ho Row
- Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-701, Korea.
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Chen L, Dai J, Hu B, Wang J, Wu Y, Dai J, Meng M, Li C, Yan Y. Recent Progresses on the Adsorption and Separation of Ions by Imprinting Routes. SEPARATION & PURIFICATION REVIEWS 2019. [DOI: 10.1080/15422119.2019.1596134] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Li Chen
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China
| | - Jingwen Dai
- Department of Battery Materials, China Aviation Lithium Battery Research Institute Co. Ltd, Changzhou, China
| | - Bo Hu
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China
| | - Jixiang Wang
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China
| | - Yilin Wu
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China
| | - Jiangdong Dai
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China
| | - Minjia Meng
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China
| | - Chunxiang Li
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China
| | - Yongsheng Yan
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China
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Molecularly imprinted polymer-hollow fiber microextraction of hydrophilic fluoroquinolone antibiotics in environmental waters and urine samples. J Chromatogr A 2019; 1587:42-49. [DOI: 10.1016/j.chroma.2018.12.015] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 12/04/2018] [Accepted: 12/09/2018] [Indexed: 12/14/2022]
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Zhang H, Luo F, Wang P, Guo L, Qiu B, Lin Z. Signal-on electrochemiluminescence aptasensor for bisphenol A based on hybridization chain reaction and electrically heated electrode. Biosens Bioelectron 2019; 129:36-41. [PMID: 30682687 DOI: 10.1016/j.bios.2019.01.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 01/07/2019] [Accepted: 01/07/2019] [Indexed: 01/25/2023]
Abstract
A simple and sensitive electrochemiluminescence (ECL) aptasensor has been developed for bisphenol A (BPA) detection. The capture DNA (CDNA) was modified on the heated indium-tin-oxide (ITO) working electrode surface firstly and then hybridized with BPA aptamer to form double strand DNA (dsDNA). The presence of target can cause the releasing of aptamer from the electrode surface since the aptamer prefers to switch its configuration to combine with BPA. Subsequently, the free CDNA will induce hybridization chain reaction (HCR) to produce long dsDNA on the electrode surface. Ru(phen)32+ can integrate into the grooves of dsDNA to act as an ECL reagent, thus enhanced ECL signal can be detected. The temperature control during the processes of target recognition and HCR were realized through the heated electrode instead of the bulk solution heating. Furthermore, the performance of the ECL aptasensor can be further enhanced at elevated electrode temperature. Under the optimized conditions, the ECL intensity of the system has a linear relationship with the logarithm of BPA concentration in the range of 2.0 pM-50 nM. The limit of detection (LOD) at 55 °C (electrode surface temperature) was calculated to be 1.5 pM, which was approximately 6.5-fold lower than that at 25 °C. The proposed biosensor has been applied to detect the BPA in drink samples with satisfactory results.
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Affiliation(s)
- Huifang Zhang
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Institute of Nanomedicine and Nanobiosensing, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China; School of Chemistry and Chemical Engineering, Key Laboratory of Organo-pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou, 341000, P.R. China
| | - Fang Luo
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Institute of Nanomedicine and Nanobiosensing, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Peilong Wang
- Key Laboratory of Agrifood Safety and Quality, Ministry of Agriculture, Institute of Quality Standards & Testing Technology for Agriculture Products, China Agricultural Academy of Science, Beijing 100081, P.R. China.
| | - Longhua Guo
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Institute of Nanomedicine and Nanobiosensing, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Bin Qiu
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Institute of Nanomedicine and Nanobiosensing, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Zhenyu Lin
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Institute of Nanomedicine and Nanobiosensing, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China.
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A photoswitchable “host-guest” approach for the selective enrichment of dimethoate from olive oil. Anal Chim Acta 2018; 1035:60-69. [DOI: 10.1016/j.aca.2018.07.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 07/04/2018] [Accepted: 07/08/2018] [Indexed: 11/21/2022]
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Selective extraction of 3,4-dihydroxybenzoic acid in Ilex chinensis Sims by meticulous mini-solid-phase microextraction using ternary deep eutectic solvent-based molecularly imprinted polymers. Anal Bioanal Chem 2018; 410:7849-7858. [DOI: 10.1007/s00216-018-1406-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 09/15/2018] [Accepted: 09/25/2018] [Indexed: 12/11/2022]
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Belinato JR, Dias FFG, Caliman JD, Augusto F, Hantao LW. Opportunities for green microextractions in comprehensive two-dimensional gas chromatography / mass spectrometry-based metabolomics - A review. Anal Chim Acta 2018; 1040:1-18. [PMID: 30327098 DOI: 10.1016/j.aca.2018.08.034] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 08/15/2018] [Accepted: 08/17/2018] [Indexed: 10/28/2022]
Abstract
Microextractions have become an attractive class of techniques for metabolomics. The most popular technique is solid-phase microextraction that revolutionized the field of modern sample preparation in the early nineties. Ever since this milestone, microextractions have taken on many principles and formats comprising droplets, fibers, membranes, needles, and blades. Sampling devices may be customized to impart exhaustive or equilibrium-based characteristics to the extraction method. Equilibrium-based approaches may rely on additional methods for calibration, such as diffusion-based or on-fiber kinetic calibration to improve bioanalysis. In addition, microextraction-based methods may enable minimally invasive sampling protocols and measure the average free concentration of analytes in heterogeneous multiphasic biological systems. On-fiber derivatization has evidenced new opportunities for targeted and untargeted analysis in metabolomics. All these advantages have highlighted the potential of microextraction techniques for in vivo and on-site sampling and sample preparation, while many opportunities are still available for laboratory protocols. In this review, we outline and discuss some of the most recent applications using microextractions techniques for comprehensive two-dimensional gas chromatography-based metabolomics, including potential research opportunities.
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Affiliation(s)
- João R Belinato
- Institute of Chemistry, University of Campinas, Campinas, SP, 13083-970, Brazil; National Institute of Science and Technology in Bioanalysis (INCTBio), Campinas, SP, 13083-970, Brazil
| | - Fernanda F G Dias
- Institute of Chemistry, University of Campinas, Campinas, SP, 13083-970, Brazil; National Institute of Science and Technology in Bioanalysis (INCTBio), Campinas, SP, 13083-970, Brazil
| | - Jaqueline D Caliman
- Institute of Chemistry, University of Campinas, Campinas, SP, 13083-970, Brazil; National Institute of Science and Technology in Bioanalysis (INCTBio), Campinas, SP, 13083-970, Brazil
| | - Fabio Augusto
- Institute of Chemistry, University of Campinas, Campinas, SP, 13083-970, Brazil; National Institute of Science and Technology in Bioanalysis (INCTBio), Campinas, SP, 13083-970, Brazil
| | - Leandro W Hantao
- Institute of Chemistry, University of Campinas, Campinas, SP, 13083-970, Brazil.
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