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Zhao L, Li L, Liu Z, Wang X, Yang R, Luo Z, Fang X, Luan Y. Aptamer functionalized magnetic hydrophobic polymer with synergetic effect for enhanced adsorption of alternariol from wheat. Food Chem 2024; 435:137556. [PMID: 37774612 DOI: 10.1016/j.foodchem.2023.137556] [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: 04/27/2023] [Revised: 09/16/2023] [Accepted: 09/19/2023] [Indexed: 10/01/2023]
Abstract
A new adsorbent based on aptamer functionalized magnetic hydrophobic polymer (MHbPA) was developed for specific and efficient adsorption of alternariol (AOH). Through the synergistic effect of aptamer-AOH affinity and hydrophobic interaction of polymer, enhanced adsorption properties had been realized, in which AOH aptamer was the first selected through capture-SELEX with good specificity and affinity, and the targeting polymer was designed based on the hydrophobicity of AOH to increase the interaction. The proposed MHbPA demonstrated a high adsorption capacity of 187.6 ng/mg for AOH. The adsorption behavior was considered as Langmuir adsorption model and pseudo-secondary kinetic adsorption model. Notably, the adsorption of AOH in wheat powder samples could be accomplished within 10 mins with acceptable recoveries. The as designed adsorbent with synergistic effect provides new insights into the development of enhanced pretreatment materials for mycotoxin monitoring in complex food matrices with specific aptamer and targeting polymer.
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Affiliation(s)
- Liping Zhao
- Institute of Quality Standard and Testing Technology of BAAFS, Agricultural Product Quality and Safety Risk Assessment Laboratory of the Department of Agriculture, Beijing 100097, China
| | - Linsen Li
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, China
| | - Zheng Liu
- Beijing Institute of Food Inspection and Research (Beijing Municipal Center for Food Safety Monitoring and Risk Assessment), Beijing 100085, China
| | - Xinjie Wang
- Institute of Quality Standard and Testing Technology of BAAFS, Agricultural Product Quality and Safety Risk Assessment Laboratory of the Department of Agriculture, Beijing 100097, China
| | - Ruiqi Yang
- Institute of Quality Standard and Testing Technology of BAAFS, Agricultural Product Quality and Safety Risk Assessment Laboratory of the Department of Agriculture, Beijing 100097, China
| | - Zhaofeng Luo
- The Key Laboratory of Zhejiang Province for Aptamers and Theranostic;Aptamer Selection Center, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China
| | - Xiaona Fang
- The Key Laboratory of Zhejiang Province for Aptamers and Theranostic;Aptamer Selection Center, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China
| | - Yunxia Luan
- Institute of Quality Standard and Testing Technology of BAAFS, Agricultural Product Quality and Safety Risk Assessment Laboratory of the Department of Agriculture, Beijing 100097, China.
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Chen S, Han J, Zhu Y, Zhang X, Zheng C, Ma L, Liu S, Yang Y, Zou L, He L, Li J. Preparation of biochar-based surface molecularly imprinted polymers and evaluation of their selective adsorption and removal of carbaryl from rice and corn. J Chromatogr A 2023; 1705:464210. [PMID: 37451198 DOI: 10.1016/j.chroma.2023.464210] [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: 03/28/2023] [Revised: 07/03/2023] [Accepted: 07/10/2023] [Indexed: 07/18/2023]
Abstract
The residue of carbaryl in food is a threat to human health. In this study, activated soybean shell biochar (A-SBC) was used as a carrier, methacrylic acid (MAA) was used as a functional monomer, and carbaryl was used as a template molecule to synthesize the activated biochar surface molecularly imprinted polymer (A-SBC@MIP). The synthesized A-SBC@MIP was characterized by SEM, FT-IR, XRD and XPS techniques, and then applied as adsorbent for carbaryl removal. The adsorption capacity of A-SBC@MIP for carbaryl was 8.6 mg‧g-1 and the imprinting factor was 1.49 at the optimum ionic strength and pH. The kinetic and isothermal data indicated that it had fast mass transfer rate and high binding capacity(Qmax=47.9 mg‧g-1). A-SBC@MIP showed good regenerative properties and the adsorption of carbaryl was excellent in its structural analogues. A solid-phase extraction (SPE) column composed of A-SBC@MIP was developed for the detection of rice and corn under optimized conditions, with recoveries of 93-101% for the spiked carbaryl. The limit of detection (LOD) of the method was 3.6 μg‧kg-1 with good linearity (R2=0.994) in the range of 0.01-5.00 mg‧L-1. The results show that the developed MIPs-SPE can enrich carbaryl from food samples as a specific and cost-effective method.
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Affiliation(s)
- Shujuan Chen
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Jing Han
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Yiting Zhu
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Xinyue Zhang
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Chi Zheng
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Lihong Ma
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Shuliang Liu
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Yong Yang
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Likou Zou
- College of Resources, Sichuan Agricultural University, Chengdu 611130, China
| | - Li He
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Jianlong Li
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
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Suzaei FM, Daryanavard SM, Abdel-Rehim A, Bassyouni F, Abdel-Rehim M. Recent molecularly imprinted polymers applications in bioanalysis. CHEMICAL PAPERS 2023; 77:619-655. [PMID: 36213319 PMCID: PMC9524737 DOI: 10.1007/s11696-022-02488-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 09/10/2022] [Indexed: 11/18/2022]
Abstract
Molecular imprinted polymers (MIPs) as extraordinary compounds with unique features have presented a wide range of applications and benefits to researchers. In particular when used as a sorbent in sample preparation methods for the analysis of biological samples and complex matrices. Its application in the extraction of medicinal species has attracted much attention and a growing interest. This review focus on articles and research that deals with the application of MIPs in the analysis of components such as biomarkers, drugs, hormones, blockers and inhibitors, especially in biological matrices. The studies based on MIP applications in bioanalysis and the deployment of MIPs in high-throughput settings and optimization of extraction methods are presented. A review of more than 200 articles and research works clearly shows that the superiority of MIP techniques lies in high accuracy, reproducibility, sensitivity, speed and cost effectiveness which make them suitable for clinical usage. Furthermore, this review present MIP-based extraction techniques and MIP-biosensors which are categorized on their classes based on common properties of target components. Extraction methods, studied sample matrices, target analytes, analytical techniques and their results for each study are described. Investigations indicate satisfactory results using MIP-based bioanalysis. According to the increasing number of studies on method development over the last decade, the use of MIPs in bioanalysis is growing and will further expand the scope of MIP applications for less studied samples and analytes.
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Affiliation(s)
- Foad Mashayekhi Suzaei
- Toxicology Laboratories, Monitoring the Human Hygiene Condition & Standard of Qeshm (MHCS Company), Qeshm Island, Iran
| | - Seyed Mosayeb Daryanavard
- grid.444744.30000 0004 0382 4371Department of Chemistry, Faculty of Science, University of Hormozgan, Bandar-Abbas, Iran
| | - Abbi Abdel-Rehim
- grid.5335.00000000121885934Department of Chemical Engineering and Biotechnology, Cambridge University, Cambridge, UK
| | - Fatma Bassyouni
- grid.419725.c0000 0001 2151 8157Chemistry of Natural and Microbial Products Department, Pharmaceutical industry Research Division, National Research Centre, Cairo, 12622 Egypt
| | - Mohamed Abdel-Rehim
- grid.5037.10000000121581746Functional Materials Division, Department of Applied Physics, School of Engineering Sciences, KTH Royal Institute of Technology, Stockholm, Sweden and Med. Solutions, Stockholm, Sweden
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Saurabh CK, Ghosh SK, Sanyal B. Novel detection method to rapidly quantify toxic cucurbitacin in Lagenaria siceraria (bottle gourd). JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2023; 60:160-170. [PMID: 36618033 PMCID: PMC9813295 DOI: 10.1007/s13197-022-05600-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 09/19/2022] [Indexed: 01/06/2023]
Abstract
Bottle gourd (Lagenaria siceraria) is widely used in India for its medicinal properties. Sometimes its consumption as a fruit or juice can lead to serious health issues due to the presence of toxic cucurbitacins (Cuc) like Cuc B at high concentration. In the present study, a molecularly imprinted polymer (MIP) based method was developed to quantify Cuc B in commercial bottle gourd juice. Cuc B quantification was also done in peel and pulp of fresh bottle gourd fruit. Developed MIP was superior to NIP (non-imprinted polymer) in terms of equilibrium binding, solid-phase extraction, selectivity, and loading capacity of Cuc B. Scatchard plot analysis, adsorption kinetics, and surface area study further strengthen the fact that prepared imprinted polymer was better than NIP for Cuc extraction. TLC and high-resolution LC-MS based analysis revealed that MIP selectively extracts Cuc B from all the studied samples. It was further observed that gamma irradiation and β-glucosidase treatment did not have any significant (p > 0.05) effect on Cuc concentration. The quantity of Cuc in 100 g of juice, peel, and pulp was 2.81 ± 0.26, 3.37 ± 0.31, and 2.39 ± 0.21 mg, respectively. Analytical method validation indicates that the MIP based method was highly linear, precise, and accurate to rapidly quantify toxic Cuc B in bottle gourd consequently assuring its quality. Supplementary Information The online version contains supplementary material available at 10.1007/s13197-022-05600-3.
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Affiliation(s)
| | - Sunil Kumar Ghosh
- Food Technology Division, Bhabha Atomic Research Centre, Mumbai, 400 085 India
| | - Bhaskar Sanyal
- Food Technology Division, Bhabha Atomic Research Centre, Mumbai, 400 085 India
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Combination of Screen-Printed Carbon Electrode and Molecularly Imprinted Polymers for the Selective Determination of Phenolic Compounds in Wine. Antioxidants (Basel) 2022; 11:antiox11102036. [PMID: 36290759 PMCID: PMC9598643 DOI: 10.3390/antiox11102036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/04/2022] [Accepted: 10/10/2022] [Indexed: 11/17/2022] Open
Abstract
Caffeic acid (CA) is an efficient antioxidant found in wine and in plants and can be extracted from the by-products of the food industry. A molecularly imprinted polymer specific to caffeic acid (CA-MIP) was prepared by radical polymerization using N-phenylacrylamide as the functional monomer, ethylene glycol dimethacrylate as the cross-linker, and azobisisobutyronitrile as the initiator, in the presence of CA as the template molecule. The rebinding activities between the polymers and CA were promoted by an indirect method and characterized by cyclic voltammetry (CV) using a screen-printed carbon electrode (SPCE). It is a fast method, which only requires simple and portable instrumentation. The polymer showed a high selectivity toward CA and a good repeatability. CA-MIP was then applied in wine samples spiked with CA, and the results were compared to those obtained by a chromatographic method. With a limit of detection of 0.06 mM in wine, the recovery values confirmed that the method is suitable for further applications.
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Ultrasensitive electrochemical sensor based on molecular imprinted polymer and ferromagnetic nanocomposite for bilirubin analysis in the saliva and serum of newborns. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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A sensing platform of molecular imprinted polymer-based polyaniline/carbon paste electrodes for simultaneous potentiometric determination of alfuzosin and solifenacin in binary co-formulation and spiked plasma. Anal Chim Acta 2022; 1200:339599. [DOI: 10.1016/j.aca.2022.339599] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 01/29/2022] [Accepted: 02/10/2022] [Indexed: 01/25/2023]
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Buszewska-Forajta M, Rafińska K, Buszewski B. Tissue sample preparations for preclinical research determined by molecular imaging mass spectrometry using MALDI. J Sep Sci 2022; 45:1345-1361. [PMID: 35122386 DOI: 10.1002/jssc.202100578] [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: 07/22/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 11/09/2022]
Abstract
Matrix-assisted laser desorption/ionization - imaging mass spectrometry is an alternative tool, which can be implemented in order to obtain and visualize the "omic" signature of tissue samples. Its application to clinical study enables simultaneous imaging-based morphological observations and mass spectrometry analysis. Application of fully informative material like tissue, allows to obtain the complex and unique profile of analyzed samples. This knowledge leads to diagnose disease, study the mechanism of cancer development, select the potential biomarkers as well as correlating obtained image with prognosis. Nevertheless, it is worth to notice that this method is found to be objective but the result of analysis is mainly influenced by the sample preparation protocol, included collection of biological material, its preservation and processing. However, application of this approach requires a special sample preparation procedure. The main goal of the study is to present the current knowledge on the clinical application of matrix-assisted laser desorption/ionization - imaging mass spectrometry in cancer research, with particular emphasis on the sample preparation step. For this purpose, several protocols based on cryosections and formalin-fixed paraffin embedded tissue were compiled and compared, taking into account the measured metabolites of potential diagnostic importance for a given type of cancer. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Magdalena Buszewska-Forajta
- Institute of Veterinary Medicine, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, Lwowska 1, Toruń, 87-100, Poland
| | - Katarzyna Rafińska
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarina Str., Torun, 87-100, Poland
| | - Boguslaw Buszewski
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarina Str., Torun, 87-100, Poland.,Centre for Modern Interdisciplinary Technologies, Nicolaus Copernicus University in Torun, 4 Wileńska Str., Torun, 87-100, Poland
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Selective enrichment of microbiota-derived tryptophan metabolites in mouse faeces based on molecularly imprinted solid-phase extraction for HPLC analysis. J Pharm Biomed Anal 2022; 212:114641. [DOI: 10.1016/j.jpba.2022.114641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 01/29/2022] [Accepted: 02/01/2022] [Indexed: 11/22/2022]
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López-Lorente ÁI, Pena-Pereira F, Pedersen-Bjergaard S, Zuin VG, Ozkan SA, Psillakis E. The Ten Principles of Green Sample Preparation. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116530] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Development and Application of Molecularly Imprinted Polymers for the Selective Extraction of Chlordecone from Bovine Serum. SEPARATIONS 2021. [DOI: 10.3390/separations8120237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The widespread use of chlordecone (CLD), an organochlorine pesticide, until the 1990s to protect banana crops in the French West Indies led to significant pollution of water and soil and, subsequently, of bovine intended for human consumption. Carcasses are submitted to official controls based on perirenal fat CLD determination. In order to allow for pre-slaughter controls, a selective analytical method based on a molecularly imprinted polymer (MIP) associated to the LC/MS-MS method was developed to determine the level of CLD in bovine serum that can be collected before slaughter. Different synthesis conditions were therefore assayed by varying the nature of the monomer and of the porogen, and the most promising MIP in terms of selective retention for CLD (extraction recovery close to 100%) was completely characterized by solid-phase extraction (repeatability of the extraction procedure, of the synthesis, and of the cartridge filling) in pure medium. The capacity of the MIP was determined at 0.13 µmol g−1 of MIP. After application of a spiked bovine serum sample on the MIP, the selective retention was maintained (87 and 21%, respectively, on the MIP and on the corresponding non-imprinted polymer). Moreover, extraction on the MIP led to a cleaner extract compared to those issued from a conventional C18 sorbent.
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Ambaw YA, Dahl SR, Chen Y, Greibrokk T, Lundanes E, Lazraq I, Shinde S, Selvalatchmanan J, Wenk MR, Sellergren B, Torta F. Tailored Polymer-Based Selective Extraction of Lipid Mediators from Biological Samples. Metabolites 2021; 11:539. [PMID: 34436480 PMCID: PMC8398397 DOI: 10.3390/metabo11080539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 08/04/2021] [Accepted: 08/05/2021] [Indexed: 11/17/2022] Open
Abstract
Lipid mediators, small molecules involved in regulating inflammation and its resolution, are a class of lipids of wide interest as their levels in blood and tissues may be used to monitor health and disease states or the effect of new treatments. These molecules are present at low levels in biological samples, and an enrichment step is often needed for their detection. We describe a rapid and selective method that uses new low-cost molecularly imprinted (MIP) and non-imprinted (NIP) polymeric sorbents for the extraction of lipid mediators from plasma and tissue samples. The extraction process was carried out in solid-phase extraction (SPE) cartridges, manually packed with the sorbents. After extraction, lipid mediators were quantified by liquid chromatography-tandem mass spectrometry (LC-MSMS). Various parameters affecting the extraction efficiency were evaluated to achieve optimal recovery and to reduce non-specific interactions. Preliminary tests showed that MIPs, designed using the prostaglandin biosynthetic precursor arachidonic acid, could effectively enrich prostaglandins and structurally related molecules. However, for other lipid mediators, MIP and NIP displayed comparable recoveries. Under optimized conditions, the recoveries of synthetic standards ranged from 62% to 100%. This new extraction method was applied to the determination of the lipid mediators concentration in human plasma and mouse tissues and compared to other methods based on commercially available cartridges. In general, the methods showed comparable performances. In terms of structural specificity, our newly synthesized materials accomplished better retention of prostaglandins (PGs), hydroxydocosahexaenoic acid (HDoHE), HEPE, hydroxyeicosatetraenoic acids (HETE), hydroxyeicosatrienoic acid (HETrE), and polyunsaturated fatty acid (PUFA) compounds, while the commercially available Strata-X showed a higher recovery for dihydroxyeicosatetraenoic acid (diHETrEs). In summary, our results suggest that this new material can be successfully implemented for the extraction of lipid mediators from biological samples.
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Affiliation(s)
- Yohannes Abere Ambaw
- Precision Medicine Translational Research Programme and Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119077, Singapore; (Y.A.A.); (J.S.); (M.R.W.)
- SLING, Singapore Lipidomics Incubator, Life Sciences Institute, National University of Singapore, Singapore 119077, Singapore
- Department of Molecular Metabolism, Harvard T.H. Chan School of Public Health, Harvard University, Cambridge, MA 02138, USA
| | - Sandra Rinne Dahl
- Department of Chemistry, University of Oslo, 0315 Oslo, Norway; (S.R.D.); (Y.C.); (T.G.); (E.L.)
- Hormone Laboratory, Department of Medical Biochemistry, Oslo University Hospital, 0424 Oslo, Norway
| | - Yan Chen
- Department of Chemistry, University of Oslo, 0315 Oslo, Norway; (S.R.D.); (Y.C.); (T.G.); (E.L.)
| | - Tyge Greibrokk
- Department of Chemistry, University of Oslo, 0315 Oslo, Norway; (S.R.D.); (Y.C.); (T.G.); (E.L.)
| | - Elsa Lundanes
- Department of Chemistry, University of Oslo, 0315 Oslo, Norway; (S.R.D.); (Y.C.); (T.G.); (E.L.)
| | - Issam Lazraq
- Department of Biomedical Sciences, Biofilms Research Center for Biointerfaces, Faculty of Health and Society, Malmö University, 21119 Malmö, Sweden; (I.L.); (S.S.)
| | - Sudhirkumar Shinde
- Department of Biomedical Sciences, Biofilms Research Center for Biointerfaces, Faculty of Health and Society, Malmö University, 21119 Malmö, Sweden; (I.L.); (S.S.)
- School of Consciousness, Dr Vishwanath Karad Maharashtra Institute of Technology–World Peace University, Kothrud, Pune 411038, Maharashtra, India
| | - Jayashree Selvalatchmanan
- Precision Medicine Translational Research Programme and Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119077, Singapore; (Y.A.A.); (J.S.); (M.R.W.)
- SLING, Singapore Lipidomics Incubator, Life Sciences Institute, National University of Singapore, Singapore 119077, Singapore
| | - Markus R. Wenk
- Precision Medicine Translational Research Programme and Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119077, Singapore; (Y.A.A.); (J.S.); (M.R.W.)
- SLING, Singapore Lipidomics Incubator, Life Sciences Institute, National University of Singapore, Singapore 119077, Singapore
| | - Börje Sellergren
- Department of Biomedical Sciences, Biofilms Research Center for Biointerfaces, Faculty of Health and Society, Malmö University, 21119 Malmö, Sweden; (I.L.); (S.S.)
| | - Federico Torta
- Precision Medicine Translational Research Programme and Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119077, Singapore; (Y.A.A.); (J.S.); (M.R.W.)
- SLING, Singapore Lipidomics Incubator, Life Sciences Institute, National University of Singapore, Singapore 119077, Singapore
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Mulder HA, Halquist MS. Growing Trends in the Efficient and Selective Extraction of Compounds in Complex Matrices Using Molecularly Imprinted Polymers and Their Relevance to Toxicological Analysis. J Anal Toxicol 2021; 45:312-321. [PMID: 32672824 DOI: 10.1093/jat/bkaa079] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/08/2020] [Accepted: 05/26/2020] [Indexed: 11/12/2022] Open
Abstract
In the world of forensic and clinical toxicology, proper sample preparation is one of the key steps in identification and quantification of drugs of abuse. Traditional extraction methods such as solid-phase extraction and liquid-liquid extraction are often laborious and nonselective for the target analytes being measured. Molecularly imprinted polymers (MIPs) can be synthesized for sample extraction and their versatility allows the polymer to be employed in off-line, benchtop extractions or on/in-line instrument extractions, offering a faster and more selective sample preparation without the risk of interfering matrix effects. This review details the synthesis and applications of MIP materials for the extraction of drug compounds from biological matrices in publications from 1994 to today.
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Affiliation(s)
- Haley A Mulder
- Department of Pharmaceutics, Virginia Commonwealth University, School of Pharmacy, 410 N 12th St, Richmond, VA 23298, USA
| | - Matthew S Halquist
- Department of Pharmaceutics, Virginia Commonwealth University, School of Pharmacy, 410 N 12th St, Richmond, VA 23298, USA
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The Importance of Developing Electrochemical Sensors Based on Molecularly Imprinted Polymers for a Rapid Detection of Antioxidants. Antioxidants (Basel) 2021; 10:antiox10030382. [PMID: 33806514 PMCID: PMC8001462 DOI: 10.3390/antiox10030382] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/22/2021] [Accepted: 02/28/2021] [Indexed: 12/30/2022] Open
Abstract
This review aims to pin out the importance of developing a technique for rapid detection of antioxidants, based on molecular imprinting techniques. It covers three major areas that have made great progress over the years in the field of research, namely: antioxidants characterization, molecular imprinting and electrochemistry, alone or combined. It also reveals the importance of bringing these three areas together for a good evaluation of antioxidants in a simple or complex medium, based on selectivity and specificity. Although numerous studies have associated antioxidants with molecular imprinting, or antioxidants with electrochemistry, but even electrochemistry with molecular imprinting to valorize different compounds, the growing prominence of antioxidants in the food, medical, and paramedical sectors deserves to combine the three areas, which may lead to innovative industrial applications with satisfactory results for both manufacturers and consumers.
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Optimising factors affecting solid phase extraction performances of molecular imprinted polymer as recent sample preparation technique. Heliyon 2021; 7:e05934. [PMID: 33553728 PMCID: PMC7848654 DOI: 10.1016/j.heliyon.2021.e05934] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 10/30/2020] [Accepted: 01/06/2021] [Indexed: 01/20/2023] Open
Abstract
Molecular imprinted solid-phase extraction is the technique that uses molecular imprinted polymer as the sorbent in solid phase extraction. Molecular imprinted solid-phase extraction is effective and efficient for the extraction process and cleaning as compared with solid phase extraction (SPE) without molecular imprinted polymer. The complexity of variables in molecular imprinted solid-phase extraction arise as problems in the analysis, therefore it is necessary to optimize the extraction conditions of molecular imprinted solid-phase extraction. To achieve the sorption equilibrium and achieve the shortest time, certain parameters such as contact time, ion strength of sample, pH of sample, amount of sorbent, sample flow rate, addition of salt and buffer solution, washing solvent, elution solvent, and loading solvent need to be optimized. The selection of suitable properties and quantities of each factor greatly affect the formation of appropriate interactions between the sorbent and analytes. Percentage recovery is also influenced by formation of the appropriate bonds, sample flow rates, extraction time, salt addition, and sorbent mass. Therefore, in the future, molecular imprinted solid-phase extraction optimization has to consider and adjust various factors reviewed in this paper to form appropriate interactions between the absorbent and target molecules which have an impact on the optimal results.
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Delaunay N, Combès A, Pichon V. Immunoaffinity Extraction and Alternative Approaches for the Analysis of Toxins in Environmental, Food or Biological Matrices. Toxins (Basel) 2020; 12:toxins12120795. [PMID: 33322240 PMCID: PMC7764248 DOI: 10.3390/toxins12120795] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 12/09/2020] [Accepted: 12/11/2020] [Indexed: 12/12/2022] Open
Abstract
The evolution of instrumentation in terms of separation and detection allowed a real improvement of the sensitivity and analysis time. However, the analysis of ultra-traces of toxins in complex samples requires often a step of purification and even preconcentration before their chromatographic analysis. Therefore, immunoaffinity sorbents based on specific antibodies thus providing a molecular recognition mechanism appear as powerful tools for the selective extraction of a target molecule and its structural analogs to obtain more reliable and sensitive quantitative analysis in environmental, food or biological matrices. This review focuses on immunosorbents that have proven their efficiency in selectively extracting various types of toxins of various sizes (from small mycotoxins to large proteins) and physicochemical properties. Immunosorbents are now commercially available, and their use has been validated for numerous applications. The wide variety of samples to be analyzed, as well as extraction conditions and their impact on extraction yields, is discussed. In addition, their potential for purification and thus suppression of matrix effects, responsible for quantification problems especially in mass spectrometry, is presented. Due to their similar properties, molecularly imprinted polymers and aptamer-based sorbents that appear to be an interesting alternative to antibodies are also briefly addressed by comparing their potential with that of immunosorbents.
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Affiliation(s)
- Nathalie Delaunay
- Department of Analytical, Bioanalytical Sciences and Miniaturization (LSABM), CBI ESPCI Paris, PSL University, CNRS, 75005 Paris, France; (N.D.); (A.C.)
| | - Audrey Combès
- Department of Analytical, Bioanalytical Sciences and Miniaturization (LSABM), CBI ESPCI Paris, PSL University, CNRS, 75005 Paris, France; (N.D.); (A.C.)
| | - Valérie Pichon
- Department of Analytical, Bioanalytical Sciences and Miniaturization (LSABM), CBI ESPCI Paris, PSL University, CNRS, 75005 Paris, France; (N.D.); (A.C.)
- Department of Chemistry, Sorbonne University, 75005 Paris, France
- Correspondence:
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Mabrouk M, Hammad SF, Abdella AA, Mansour FR. Chitosan-based molecular imprinted polymer for extraction and spectrophotometric determination of ketorolac in human plasma. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 241:118668. [PMID: 32653823 DOI: 10.1016/j.saa.2020.118668] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 06/11/2020] [Accepted: 06/25/2020] [Indexed: 06/11/2023]
Abstract
A selective chitosan-based ion exchange molecular imprinted polymer (MIP) was prepared for ketorolac (KET) using the sol-gel method and glutaraldehyde as a crosslinker. The nonimprinted polymer (NIP) was prepared and used as a control, during the whole experiment. The chemical and morphological characteristics of the prepared polymers were investigated using FTIR and SEM, respectively. The prepared MIP was applied to determine the optimum operational conditions for KET extraction from dilute aqueous solutions. The adsorption step was performed at pH 5 and a contact time of 20 min, using 0.1 N HCl as an elution solvent for 30 min. The specificity of the prepared polymer was indicated by an imprinting factor of 1.45. The prepared MIP was successfully applied for selective solid phase extraction and subsequent determination of KET in spiked human plasma samples over a range of 2-20 μg/mL, with a mean % recovery of 94.62% using derivative spectroscopy.
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Affiliation(s)
- Mokhtar Mabrouk
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, 31111, Egypt; Pharmaceutical Services Center, Faculty of Pharmacy, Tanta University, 31111, Egypt
| | - Sherin F Hammad
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, 31111, Egypt
| | - Aya A Abdella
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, 31111, Egypt.
| | - Fotouh R Mansour
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, 31111, Egypt; Pharmaceutical Services Center, Faculty of Pharmacy, Tanta University, 31111, Egypt.
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Hormones and Hormonal Anabolics: Residues in Animal Source Food, Potential Public Health Impacts, and Methods of Analysis. J FOOD QUALITY 2020. [DOI: 10.1155/2020/5065386] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The demand for nutritious food, especially food of animal origin, is globally increasing due to escalating population growth and a dietary shift to animal source food. In order to fulfill the requirements, producers are using veterinary drugs such as hormones and hormone-like anabolic agents. Hormones such as steroidal (estrogens, gestagens, and androgens), nonsteroidal, semisynthetic, and synthetic or designer drugs are all growth-promoting and body-partitioning agents. Hence, in food animal production practice, farm owners use these chemicals to improve body weight gain, increase feed conversion efficiency, and productivity. However, the use of these hormones and hormonal growth-promoting agents eventually ends up with the occurrence of residues in the animal-originated food. The incidence of hormone residues in such types of food and food products beyond the tolerance acts as a risk factor for the occurrence of potential public health problems. Currently, different international and national regulatory bodies have placed requirements and legislative frameworks, which enable them to implement residue monitoring test endeavors that safeguard the public and facilitate the trading activity. To make the tests on the animal-origin food matrix, there are different sample extraction techniques such as accelerated solvent extraction, supercritical fluid extraction, solid phase extraction, solid-phase microextraction, and hollow-fiber liquid-phase microextraction. After sample preparation steps, the analytes of interest can be assayed by screening and confirmatory methods of analysis. For screening, immunological tests such as ELISA and radioimmunoassay are used. Detection and determination of the specific residues will be done by chromatographic or instrumental analysis. Mainly, among high-performance liquid chromatography, liquid chromatography with mass spectrometry (LC-MS, LC-MS/MS), and gas chromatography with mass spectrometry (GC-MS and GC-MS/MS) methods, LC-MS/MS is being preferred because of easier sample preparation without a derivatization step and high detection and quantification capacity.
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Soleimani M, Daryasari AP, Joshani P. Molecularly Imprinted Polymer Nanoparticles for Selective Solid Phase Extraction of Fluvoxamine in Human Urine and Plasma. J Chromatogr Sci 2020; 58:274-279. [PMID: 31807753 DOI: 10.1093/chromsci/bmz092] [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: 11/17/2018] [Revised: 08/19/2019] [Accepted: 09/27/2019] [Indexed: 11/14/2022]
Abstract
In this work, the molecularly imprinted polymer nanoparticles (MIP-NPs) for the selective determination of fluvoxamine have been described. The polymer nanoparticles were synthesized by the polymerization of methacrylic acid as a functional monomer, ethylene glycol dimethacrylate as a cross-linker, 2,2-azobisisobutyronitrile as an initiator and fluvoxamine as a template molecule. The MIP-NPs were characterized using techniques that included Fourier transform infrared (FT-IR) spectroscopy and scanning electron microscopy (SEM). Imprinted fluvoxamine molecules were removed from the polymeric structure using acetonitrile in methanol (2:8; v/v) as the eluting solvent. The linear dynamic range for fluvoxamine was 10-1200 μg L-1. The developed method was successfully applied to the extraction of fluvoxamine in complex biological samples.
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Affiliation(s)
- Mojtaba Soleimani
- Department of Chemistry, Lahijan Branch, Islamic Azad University, Lahijan, Iran. P.O.Box 4416939515
| | - Ameneh Porgham Daryasari
- Department of Chemistry, Lahijan Branch, Islamic Azad University, Lahijan, Iran. P.O.Box 4416939515
| | - Parisa Joshani
- Department of Chemistry, Lahijan Branch, Islamic Azad University, Lahijan, Iran. P.O.Box 4416939515
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Molecularly imprinted polymer as solid phase extraction phase for condensed tannin determination from Brazilian natural sources. J Chromatogr A 2020; 1620:460977. [PMID: 32093903 DOI: 10.1016/j.chroma.2020.460977] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/31/2020] [Accepted: 02/13/2020] [Indexed: 01/04/2023]
Abstract
This study proposed the developed of a molecularly imprinted polymer for the extraction and determination of condensed tannins from the barks of Red Angico (Anadenanthera macrocarpa), Jabuticaba (Myrciaria jabuticaba) and Umbu (Spondias tuberosa). The polymer was synthesized using the condensed tannin extracted from the Red Angico bark as the template molecule, as well as, catechin standard solution. Selectivity and characterization tests for the molecularly imprinted polymers and a non-imprinted polymer were performed. The polymers were employed as extraction phase for the solid-phase extraction of condensed tannins from the studied samples. A higher imprinting coefficient was obtained for MIP synthesized from catechin standard solution as template. The intrinsic solid-phase extraction variables were evaluated and optimized. The developed methodology showed inter- and intra-day precisions of 6.7-10.1 and 4.6-8.4, respectively, and recovery values ranging from 101.9 to 105.5. The obtained limits of detection and quantification were 10 mg L-1 and 40 mg L-1, respectively. It is important to highlight that the developed methodology here was applied to common waste and tailings from Brazilian food industry. The results indicate that the polymers were capable to extract tannins from the evaluated samples, reducing method cost and time.
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Bouvarel T, Delaunay N, Pichon V. Selective extraction of cocaine from biological samples with a miniaturized monolithic molecularly imprinted polymer and on-line analysis in nano-liquid chromatography. Anal Chim Acta 2020; 1096:89-99. [DOI: 10.1016/j.aca.2019.10.046] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 10/18/2019] [Accepted: 10/21/2019] [Indexed: 10/25/2022]
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Affiliation(s)
- Valérie Pichon
- Laboratoire des Sciences Analytiques, Bioanalytiques et Miniaturisation-UMR Chimie Biologie Innovation 8231, ESPCI Paris, CNRS , PSL* Research University , 10 rue Vauquelin , 75005 Paris , France.,Sorbonne Université , 75005 Paris , France
| | - Nathalie Delaunay
- Laboratoire des Sciences Analytiques, Bioanalytiques et Miniaturisation-UMR Chimie Biologie Innovation 8231, ESPCI Paris, CNRS , PSL* Research University , 10 rue Vauquelin , 75005 Paris , France
| | - Audrey Combès
- Laboratoire des Sciences Analytiques, Bioanalytiques et Miniaturisation-UMR Chimie Biologie Innovation 8231, ESPCI Paris, CNRS , PSL* Research University , 10 rue Vauquelin , 75005 Paris , France
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24
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Development and application of water-compatible molecularly imprinted polymers for the selective extraction of carbamazepine from environmental waters. Anal Bioanal Chem 2019; 411:1525-1536. [DOI: 10.1007/s00216-019-01586-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 01/07/2019] [Accepted: 01/08/2019] [Indexed: 10/27/2022]
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Novosvětská L, Chocholouš P, Švec F, Sklenářová H. Fully automated method based on on-line molecularly imprinted polymer solid-phase extraction for determination of lovastatin in dietary supplements containing red yeast rice. Anal Bioanal Chem 2019; 411:1219-1228. [PMID: 30617392 DOI: 10.1007/s00216-018-1554-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 12/12/2018] [Accepted: 12/14/2018] [Indexed: 11/24/2022]
Abstract
A fully automated method for the determination of lovastatin in dietary supplements containing red yeast rice has been developed. It uses a sequential injection analysis system combined with solid-phase extraction applying highly selective molecularly imprinted polymer sorbent. A miniaturized column for on-line extraction was prepared by packing 4.5 mg of the sorbent in a 5.0 × 2.5-mm-i.d. cartridge, which was used in the flow manifold. Sequential injection analysis manifold enabled all steps of lovastatin extraction and continuous spectrophotometric detection at 240 nm. A limit of detection of 60 μg g-1, a limit of quantitation of 200 μg g-1, and a linear calibration range of 200-2000 μg g-1 were achieved. Intra-day and inter-day precision values (RSD) were ≤ 6.7% and ≤ 4.9%, respectively, and method recovery values of spiked red yeast rice extracts at 200, 1000, and 2000 μg g-1 concentration levels were 82.9, 95.2, and 87.7%. Our method was used for determination of lovastatin lactone in four dietary supplements containing red yeast rice as a natural source of lovastatin, also known as monacolin K. The extracted samples were subsequently analyzed by the reference UHPLC-MS/MS method. Statistical comparison of results (F test, t test, α = 0.05) obtained by both methods did not reveal significant difference. A substantial advantage of the new automated approach is high sample throughput thanks to the analysis time of 7.5 min, miniaturization via down-scaling the extraction column, and smaller sample and solvent consumption, as well as reduced generation of waste. Graphical abstract ᅟ.
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Affiliation(s)
- Lucie Novosvětská
- Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203/8, 500 05, Hradec Králové, Czech Republic
| | - Petr Chocholouš
- Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203/8, 500 05, Hradec Králové, Czech Republic
| | - František Švec
- Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203/8, 500 05, Hradec Králové, Czech Republic
| | - Hana Sklenářová
- Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203/8, 500 05, Hradec Králové, Czech Republic.
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Murakami T, Iwamuro Y, Ishimaru R, Chinaka S, Hasegawa H. Molecularly imprinted polymer solid-phase extraction of synthetic cathinones from urine and whole blood samples. J Sep Sci 2018; 41:4506-4514. [PMID: 30358097 DOI: 10.1002/jssc.201800874] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 10/16/2018] [Accepted: 10/18/2018] [Indexed: 01/20/2023]
Abstract
In forensic drug analysis, extractive pretreatment is required prior to instrumental analysis to ensure successful detection of the target compounds. However, conventional extraction methods such as hydrophilic polymer-based solid-phase extraction and liquid-liquid extraction are unsuitable for an emerging class of new psychoactive substances, namely, synthetic cathinones, because they exhibit a lack of class selectivity and increased risk of target analyte decomposition during extraction. To address these issues, we describe a highly class-selective sample clean-up method for the extraction of synthetic cathinones from urine and whole blood samples, exploiting a molecularly imprinted polymer solid-phase extraction cartridge. In terms of the influence of the synthetic cathinone molecular structure on the extraction recovery, we showed that while longer alkyl side chains slightly reduced the extraction efficiency, substituent variation on the aromatic ring exerted no effect. Molecularly imprinted polymer solid-phase extraction of 11 synthetic cathinones from urine samples yielded higher recoveries than the two conventional extraction methods, and smaller matrix effect was observed than that with hydrophilic polymer-based solid-phase extraction. Molecularly imprinted polymer solid-phase extraction from whole blood samples gave recoveries comparable to those of urine samples. Therefore, the proposed method is applicable for the extraction and quantitative determination of synthetic cathinones in biological samples.
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Affiliation(s)
- Takaya Murakami
- Forensic Science Laboratory, Ishikawa Prefectural Police Headquarters, Kanazawa, Japan.,Institute of Science and Engineering, Kanazawa University, Kanazawa, Japan
| | - Yoshiaki Iwamuro
- Forensic Science Laboratory, Ishikawa Prefectural Police Headquarters, Kanazawa, Japan
| | - Reiko Ishimaru
- Forensic Science Laboratory, Ishikawa Prefectural Police Headquarters, Kanazawa, Japan
| | - Satoshi Chinaka
- Forensic Science Laboratory, Ishikawa Prefectural Police Headquarters, Kanazawa, Japan
| | - Hiroshi Hasegawa
- Institute of Science and Engineering, Kanazawa University, Kanazawa, Japan
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Yang J, Li Y, Huang C, Jiao Y, Chen J. A Phenolphthalein-Dummy Template Molecularly Imprinted Polymer for Highly Selective Extraction and Clean-Up of Bisphenol A in Complex Biological, Environmental and Food Samples. Polymers (Basel) 2018; 10:E1150. [PMID: 30961075 PMCID: PMC6403629 DOI: 10.3390/polym10101150] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 10/05/2018] [Accepted: 10/12/2018] [Indexed: 11/16/2022] Open
Abstract
A molecularly imprinted polymer (MIP) for highly selective solid-phase extraction (SPE) of bisphenol A (BPA) was prepared using phenolphthalein (PP) as the novel dummy template by bulk polymerization. A particle diameter distribution of 40⁻60 μm, a specific surface area of 359.8 m²·g-1, and a total pore volume of 0.730 cm³·g-1 for the prepared PP-imprinted polymer (PPMIP) were obtained. Good selectivity and specific adsorption capacity for BPA of the prepared PPMIP were also demonstrated by the chromatographic evaluation and sorption experiments. The PPMIP as a SPE sorbent was evaluated for the selective extraction and clean-up of BPA from complex biological, environmental, and food samples. Meanwhile, an accurate and sensitive analytical method based on the PPMIP-SPE purification procedure coupled with high performance liquid chromatography-diode array detector (HPLC-DAD) detection has been successfully developed for the rapid determination of BPA from these samples, with detection limits of 1.3 ng·mL-1 for bovine serum and milk, 2.6 ng·mL-1 for human urine and edible oil, 5.2 ng·mL-1 for soybean sauce, and 1.3 ng·g-1 for sediment. The BPA recoveries at two different spiking levels were in the range of 82.1⁻106.9%, with relative standard deviation (RSD) values below 7.7%.
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Affiliation(s)
- Jiajia Yang
- College of Materials Science and Engineering, Hebei University of Engineering, 199 South Guangming Street, Handan 056038, China.
| | - Yun Li
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China.
| | - Chaonan Huang
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Yanna Jiao
- Inspection and Quarantine Technology Centre, Hunan Entry-Exit Inspection and Quarantine Bureau, Changsha 410004, China.
| | - Jiping Chen
- CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China.
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Bodbodak S, Hesari J, Peighambardoust SH, Mahkam M. Selective decontamination of aflatoxin M1in milk by molecularly imprinted polymer coated on the surface of stainless steel plate. INT J DAIRY TECHNOL 2018. [DOI: 10.1111/1471-0307.12551] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Samad Bodbodak
- Department of Food Science and Technology; Ahar Faculty of Agriculture and Natural Resources; University of Tabriz; Tabriz Iran
| | - Javad Hesari
- Department of Food Science and Technology; Faculty of Agriculture; University of Tabriz; Tabriz Iran
| | | | - Mehrdad Mahkam
- Chemistry Department; Azarbaijan Shahid Madani University; Tabriz Iran
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Kunsa-Ngiem S, Sutthivaiyakit P, Lowmunkhong P, Harir M, Schmitt-Kopplin P, Sutthivaiyakit S. Magnetic molecularly imprinted polymer prepared by microwave heating for confirmatory determination of chloramphenicol in chicken feed using high-performance liquid chromatography-tandem mass spectrometry. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2018; 53:738-745. [PMID: 30015566 DOI: 10.1080/03601234.2018.1480161] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Accepted: 04/30/2018] [Indexed: 06/08/2023]
Abstract
A magnetic molecularly imprinted polymer (MMIP) for chloramphenicol was prepared using a surface-imprinted and microwave-heating-induced polymerization method. The surfaces of the magnetic particles were first double-bond functionalized with 3-(trimethoxysilyl)propyl methacrylate (γ-MPS), followed by the copolymerization of 4-vinyl pyridine (4-VP) and trimethylolpropane trimethacrylate (TRIM) in the presence of chloramphenicol as a template and 1,1-azobis(cyclohexane-carbonitrile) (ABCN) as an initiator in a mixture of dimethyl sulfoxide and water with microwave heating at 80°C. The magnetic polymer possesses supraparamagnetic properties and was used to concentrate and cleanup chicken feed extract, followed by chromatographic separation using a Lichrospher®100 RP C8 column and detection with two multi-reaction monitoring transitions at m/z 321→ 152 and m/z 321→ 257. The mean recoveries obtained at two spiking levels were in the range of 94.6-100% The relative intra- and inter-day standard deviations were in the range of 1.4-2.6% and 5.1-5.7%, respectively. The detection limit of the method was 0.12 µg kg-1. This confirmatory method was successfully applied to determine chloramphenicol in chicken feed samples.
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Affiliation(s)
- Sumate Kunsa-Ngiem
- a Department of Chemistry and Center for Innovation in Chemistry , Faculty of Science, Kasetsart University , Bangkok , Thailand
| | - Pakawadee Sutthivaiyakit
- a Department of Chemistry and Center for Innovation in Chemistry , Faculty of Science, Kasetsart University , Bangkok , Thailand
| | - Pongsak Lowmunkhong
- a Department of Chemistry and Center for Innovation in Chemistry , Faculty of Science, Kasetsart University , Bangkok , Thailand
| | - Mourad Harir
- b Helmholtz Zentrum München, German Research Center for Environmental Health , Research Unit Analytical BioGeoChemistry , Neuherberg , Germany
- c Chair of Analytical Food Chemistry , Technische Universität München , Freising-Weihenstephan , Germany
| | - Philippe Schmitt-Kopplin
- b Helmholtz Zentrum München, German Research Center for Environmental Health , Research Unit Analytical BioGeoChemistry , Neuherberg , Germany
- c Chair of Analytical Food Chemistry , Technische Universität München , Freising-Weihenstephan , Germany
| | - Somyote Sutthivaiyakit
- d Department of Chemistry and Center of Excellence for Innovation in Chemistry , Faculty of Science, Ramkhamhaeng University , Bangkok , Thailand
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Xiong Y, Wang Q, Duan M, Xu J, Chen J, Fang S. Preparation of Molecularly Imprinted Microspheres as Biomimetic Recognition Material for In Situ Adsorption and Selective Chemiluminescence Determination of Bisphenol A. Polymers (Basel) 2018; 10:polym10070780. [PMID: 30960705 PMCID: PMC6403925 DOI: 10.3390/polym10070780] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 07/03/2018] [Accepted: 07/13/2018] [Indexed: 11/16/2022] Open
Abstract
Bisphenol A (BPA) is an endocrine disrupter in environments which can induce abnormal differentiation of reproductive organs by interfering with the action of endogenous gonadal steroid hormones. In this work, the bisphenol A (BPA) molecularly-imprinted microspheres (MIMS) were prepared and used as biomimetic recognition material for in situ adsorption and selective chemiluminescence (CL) determination of BPA. Through non-covalent interaction, the BPA-MIMS was successfully prepared by Pickering emulsion polymerization using a BPA template, 4-vinylpyridine (4-VP) monomer, ethylene glycol dimethacrylate (EGDMA) cross-linker, and a SiO2 dispersion agent. The characterization of scanning electron microscopy (SEM) and energy-disperse spectroscopy (EDS) showed that the obtained MIMS possessed a regular spherical shape and narrow diameter distribution (25–30 μm). The binding experiment indicated BPA could be adsorbed in situ on the MIMS-packing cell with an apparent maximum amount Qmax of 677.3 μg g−1. Then BPA could be selectively detected by its sensitive inhibition effect on the CL reaction between luminol and periodate (KIO4), and the inhibition mechanism was discussed to reveal the CL reaction process. The CL intensity was linear to BPA concentrations in two ranges, respectively from 0.5 to 1.5 μg mL−1 with a detection limit of 8.0 ng mL−1 (3σ), and from 1.5 to 15 μg mL−1 with a limit of detection (LOD) of 80 ng mL−1 (3σ). The BPA-MIPMS showed excellent selectivity for BPA adsorption and the proposed CL method has been successfully applied to BPA determination in environmental water samples.
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Affiliation(s)
- Yan Xiong
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China.
- Oil and Gas Field Applied Chemistry Key Laboratory of Sichuan Province, Southwest Petroleum University, Chengdu 610500, China.
| | - Qing Wang
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China.
| | - Ming Duan
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China.
- Oil and Gas Field Applied Chemistry Key Laboratory of Sichuan Province, Southwest Petroleum University, Chengdu 610500, China.
| | - Jing Xu
- Liaoning Entry-Exit Inspection and Quarantine Bureau, Dalian 116001, China.
| | - Jie Chen
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China.
| | - Shenwen Fang
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China.
- Oil and Gas Field Applied Chemistry Key Laboratory of Sichuan Province, Southwest Petroleum University, Chengdu 610500, China.
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Simões NS, de Oliveira HL, da Silva RCS, Teixeira LS, Sales TLS, de Castro WV, de Paiva MJN, Sanches C, Borges KB. Hollow mesoporous structured molecularly imprinted polymer as adsorbent in pipette-tip solid-phase extraction for the determination of antiretrovirals from plasma of HIV-infected patients. Electrophoresis 2018; 39:2581-2589. [PMID: 29772601 DOI: 10.1002/elps.201800165] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 05/01/2018] [Accepted: 05/03/2018] [Indexed: 11/07/2022]
Abstract
In this work a hollow mesoporous structured molecularly imprinted polymer was synthetized and used as adsorbent in pipette-tip solid-phase extraction for the determination of lamivudine (3TC), zidovudine (AZT) and efavirenz (EFZ) from plasma of human immunodeficiency virus (HIV) infected patients by high-performance liquid chromatography (HPLC). All parameters that influence the recovery of the pipette tip based on hollow mesoporous molecularly imprinted polymer solid-phase extraction (PT-HM-MIP-SPE) method were systematically studied and discussed in detail. The adsorbent material was prepared using methacrylic acid and 4-vinylpyridine as functional monomers, ethylene glycol dimethacrylate as crosslinker, acetonitrile as solvent, 4,4'-azobis(4-cyanovaleric acid) as radical initiator, benzalkonium chloride as surfactant, 3TC, and AZT as templates. The simultaneous separation of 3TC, AZT and EFZ by HPLC-UV was performed using a Gemini C18 Phenomenex® column (250 mm × 4.6 mm, 5 μm) and mobile phase consisting of acetonitrile: water pH 3.2 (68:32, v/v), flow rate of 1.0 mL/min and λ = 260 nm. The method was linear over the concentration range from 0.25 to 10 μg/mL for 3TC and EFZ, and 0.05 to 2.0 μg mL-1 for AZT, with correlation coefficients larger than 0.99 for all analytes. Recovery ± relative standard deviations (RSDs %) were 41.99 ± 2.38%, 82.29 ± 1.63%, and 83.72 ± 7.52% for 3TC, AZT, and EFZ, respectively. The RSDs and relative errors (REs) were lower than 15% for intra and interday assays. The method has been successfully applied for monitoring HIV-infected patients outside the therapeutic dosage.
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Affiliation(s)
- Nathália Soares Simões
- Departamento de Ciências Naturais, Universidade Federal de São João del-Rei, Campus Dom Bosco, São João del-Rei, Minas Gerais, Brazil.,Universidade Federal de São João del-Rei, Campus Centro Oeste, Divinópolis, Minas Gerais, Brazil
| | - Hanna Leijoto de Oliveira
- Departamento de Ciências Naturais, Universidade Federal de São João del-Rei, Campus Dom Bosco, São João del-Rei, Minas Gerais, Brazil
| | - Ricky Cássio Santos da Silva
- Departamento de Ciências Naturais, Universidade Federal de São João del-Rei, Campus Dom Bosco, São João del-Rei, Minas Gerais, Brazil
| | - Leila Suleimara Teixeira
- Departamento de Ciências Naturais, Universidade Federal de São João del-Rei, Campus Dom Bosco, São João del-Rei, Minas Gerais, Brazil
| | | | - Whocely Victor de Castro
- Universidade Federal de São João del-Rei, Campus Centro Oeste, Divinópolis, Minas Gerais, Brazil
| | - Maria José Nunes de Paiva
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Campus Pampulha, Belo Horizonte, Minas Gerais, Brazil
| | - Cristina Sanches
- Universidade Federal de São João del-Rei, Campus Centro Oeste, Divinópolis, Minas Gerais, Brazil
| | - Keyller Bastos Borges
- Departamento de Ciências Naturais, Universidade Federal de São João del-Rei, Campus Dom Bosco, São João del-Rei, Minas Gerais, Brazil
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Pérez-Rodríguez M, Pellerano RG, Pezza L, Pezza HR. An overview of the main foodstuff sample preparation technologies for tetracycline residue determination. Talanta 2018; 182:1-21. [DOI: 10.1016/j.talanta.2018.01.058] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/19/2018] [Accepted: 01/20/2018] [Indexed: 12/26/2022]
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Ligor M, Ratiu IA, Kiełbasa A, Al-Suod H, Buszewski B. Extraction approaches used for the determination of biologically active compounds (cyclitols, polyphenols and saponins) isolated from plant material. Electrophoresis 2018; 39:1860-1874. [PMID: 29603754 DOI: 10.1002/elps.201700431] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 03/22/2018] [Accepted: 03/22/2018] [Indexed: 12/20/2022]
Abstract
Based on the bioactive properties of certain compounds, such as antioxidant and anti-inflammatory activities, an interesting subject of research are natural substances present in various parts of plants. The choice of the most appropriate method for separation and quantification of biologically active compounds from plants and natural products is a crucial step of any analytical procedure. The aim of this review article is to present an overview of a comprehensive literature study from the last 10 years (2007-2017), where relevant articles exposed the latest trends and the most appropriate methods applicable for separation and quantification of biologically active compounds from plant material and natural products. Consequently, various extraction methods have been discussed, together with the available procedures for purification and pre-concentration and dedicated methods used for analysis.
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Affiliation(s)
- Magdalena Ligor
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
| | - Ileana-Andreea Ratiu
- Babeş-Bolyai University, Faculty of Chemistry and Chemical Engineering, Cluj-Napoca, Romania
- Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University, Torun, Poland
| | - Anna Kiełbasa
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
| | - Hossam Al-Suod
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
- Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University, Torun, Poland
| | - Bogusław Buszewski
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
- Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University, Torun, Poland
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Boulanouar S, Combès A, Mezzache S, Pichon V. Synthesis and application of molecularly imprinted silica for the selective extraction of some polar organophosphorus pesticides from almond oil. Anal Chim Acta 2018; 1018:35-44. [PMID: 29605132 DOI: 10.1016/j.aca.2018.02.069] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 02/12/2018] [Accepted: 02/24/2018] [Indexed: 10/17/2022]
Abstract
The aim of this work was to prepare and evaluate molecularly imprinted polymers obtained by a sol-gel approach for the selective solid-phase extraction (SPE) of organophosphorus pesticides (OPs) from almond oil. The performances of molecularly imprinted silicas (MISs), prepared using different conditions of synthesis, were studied by applying different extraction procedures in order to determine the ability of the MISs to selectively extract ten target OPs. For this, the retention of OPs on MISs in pure media was compared with the retention on a non-imprinted silicas (NISs), used as control sorbent, to prove the presence of specific cavities. The most promising MIS allowed the selective extraction of the 3 most polar OPs among the 10 studied. The capacity was studied and the repeatability of the extraction recovery yield was demonstrated both in pure and real media. This MIS was able to selectively extract fenthion sulfoxide and dimethoate contained in almond oil extract after applying the optimized extraction procedure with recovery yields between 100 and 114%. The estimated limit of quantification (LOQ, S/N = 10), thanks to LC/MS analysis in MRM mode, between 1.2 and 4.6 μg/kg for those OPs in the almond fruits, was more than 10 times lower than the Maximum Residue Levels (MRLs) established by the European Commission. This MIS therefore shows a high potential for the analysis of those two polar OPs at trace levels from almond oils.
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Affiliation(s)
- Sara Boulanouar
- Dept of Analytical, Bioanalytical Sciences and Miniaturization (LSABM), UMR CBI 8231 (CNRS-ESPCI Paris), ESPCI Paris, PSL University, 10 rue Vauquelin, 75 231, Paris Cedex 05, France
| | - Audrey Combès
- Dept of Analytical, Bioanalytical Sciences and Miniaturization (LSABM), UMR CBI 8231 (CNRS-ESPCI Paris), ESPCI Paris, PSL University, 10 rue Vauquelin, 75 231, Paris Cedex 05, France
| | - Sakina Mezzache
- L'Oréal Research and Innovation, 1 avenue Eugène Schueller BP22, 93601, Aulnay-sous-Bois, France
| | - Valérie Pichon
- Dept of Analytical, Bioanalytical Sciences and Miniaturization (LSABM), UMR CBI 8231 (CNRS-ESPCI Paris), ESPCI Paris, PSL University, 10 rue Vauquelin, 75 231, Paris Cedex 05, France; Sorbonne Université, 4 Place Jussieu, 75005 Paris, France.
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Mulyasuryani A, Haryanto E, Sulistyarti H, Rumhayati B. Molecularly Imprinted Polymers Chitosan-Glutaraldehyde for Monosodium Glutamate. ACTA ACUST UNITED AC 2018. [DOI: 10.1088/1757-899x/299/1/012010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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36
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Molecularly imprinted polymers for the determination of organophosphorus pesticides in complex samples. Talanta 2018; 176:465-478. [DOI: 10.1016/j.talanta.2017.08.067] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Revised: 08/16/2017] [Accepted: 08/20/2017] [Indexed: 11/20/2022]
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37
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Liu H, Luan Y, Lu A, Li B, Yang M, Wang J. An oligosorbent-based aptamer affinity column for selective extraction of aflatoxin B2 prior to HPLC with fluorometric detection. Mikrochim Acta 2017; 185:71. [DOI: 10.1007/s00604-017-2591-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 11/27/2017] [Indexed: 01/07/2023]
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Medvedovici A, Bacalum E, David V. Sample preparation for large-scale bioanalytical studies based on liquid chromatographic techniques. Biomed Chromatogr 2017; 32. [DOI: 10.1002/bmc.4137] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 10/24/2017] [Accepted: 10/27/2017] [Indexed: 12/30/2022]
Affiliation(s)
- Andrei Medvedovici
- Faculty of Chemistry, Department of Analytical Chemistry; University of Bucharest; Bucharest Romania
| | - Elena Bacalum
- Research Institute; University of Bucharest; Bucharest Romania
| | - Victor David
- Faculty of Chemistry, Department of Analytical Chemistry; University of Bucharest; Bucharest Romania
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Raks V, Al-Suod H, Buszewski B. Isolation, Separation, and Preconcentration of Biologically Active Compounds from Plant Matrices by Extraction Techniques. Chromatographia 2017; 81:189-202. [PMID: 29449742 PMCID: PMC5807477 DOI: 10.1007/s10337-017-3405-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 08/28/2017] [Accepted: 09/12/2017] [Indexed: 12/31/2022]
Abstract
Development of efficient methods for isolation and separation of biologically active compounds remains an important challenge for researchers. Designing systems such as organomineral composite materials that allow extraction of a wide range of biologically active compounds, acting as broad-utility solid-phase extraction agents, remains an important and necessary task. Selective sorbents can be easily used for highly selective and reliable extraction of specific components present in complex matrices. Herein, state-of-the-art approaches for selective isolation, preconcentration, and separation of biologically active compounds from a range of matrices are discussed. Primary focus is given to novel extraction methods for some biologically active compounds including cyclic polyols, flavonoids, and oligosaccharides from plants. In addition, application of silica-, carbon-, and polymer-based solid-phase extraction adsorbents and membrane extraction for selective separation of these compounds is discussed. Potential separation process interactions are recommended; their understanding is of utmost importance for the creation of optimal conditions to extract biologically active compounds including those with estrogenic properties.
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Affiliation(s)
- Victoria Raks
- 1Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University, 4 Wileńska Str., 87-100 Toruń, Poland.,3Department of Analytical Chemistry, Faculty of Chemistry, Taras Shevchenko National University of Kyiv, Volodymyrska Street, 64/13, Kyiv, 01601 Ukraine
| | - Hossam Al-Suod
- 1Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University, 4 Wileńska Str., 87-100 Toruń, Poland.,2Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarina Str., 87-100 Toruń, Poland
| | - Bogusław Buszewski
- 1Interdisciplinary Centre of Modern Technologies, Nicolaus Copernicus University, 4 Wileńska Str., 87-100 Toruń, Poland.,2Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarina Str., 87-100 Toruń, Poland
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40
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Synthesis and application of molecularly imprinted polymers for the selective extraction of organophosphorus pesticides from vegetable oils. J Chromatogr A 2017; 1513:59-68. [DOI: 10.1016/j.chroma.2017.07.067] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 07/12/2017] [Accepted: 07/18/2017] [Indexed: 11/18/2022]
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41
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Kujawska M, Zhou T, Trochimczuk AW, Ye L. Synthesis of naproxen-imprinted polymer using Pickering emulsion polymerization. J Mol Recognit 2017; 31. [PMID: 28322471 DOI: 10.1002/jmr.2626] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 01/12/2017] [Accepted: 02/20/2017] [Indexed: 11/09/2022]
Abstract
For the last decades, molecular imprinting is developing intensively, especially in the case of the application of new imprinting techniques. In this work, for the first time, a Pickering emulsion polymerization was used to synthesize the S-naproxen-imprinted polymer spheres following a noncovalent protocol. To enhance the knowledge about imprinting process using mentioned technique, thorough analysis of the synthesis process was performed. Optimization of polymerization conditions included the selection of functional monomer, cross-linking agent, type of porogen, surfactant, and the choice of appropriate amount of the template and porogen. Prepared materials were characterized using scanning electron microscopy and nitrogen adsorption. To study the binding properties, the sorption studies, including adsorption isotherms and competitive binding, were performed. Investigation of the effect of the functional monomer on the selective recognition of S-naproxen showed that the interactions between the template molecule and 4-vinylpyridine resulted in the best recognizing ability. Moreover, the synthesis with application of ethylene glycol dimethacrylae as a cross-linker, toluene as a porogen, and Tween 20 as an additional emulsion stabilizer gave the most desired result. The optimal ratio of the porogen to monomers mixture was 0.1, due to the fact that the increase of the porogen volume resulted in the significant increase of nonspecific uptake. In addition, the tenfold molar excess of functional monomer relative to the template turned out to be optimal. Subsequent binding studies demonstrated that the material synthesized using optimized polymerization conditions consists of imprinted sites that are sensitive for the S-naproxen.
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Affiliation(s)
- Małgorzata Kujawska
- Faculty of Chemistry, Wrocław University of Science and Technology, Wrocław, Poland.,Division of Pure and Applied Biochemistry, Lund University, Lund, Sweden
| | - Tongchang Zhou
- Division of Pure and Applied Biochemistry, Lund University, Lund, Sweden
| | | | - Lei Ye
- Division of Pure and Applied Biochemistry, Lund University, Lund, Sweden
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42
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Potential of ion imprinted polymers synthesized by trapping approach for selective solid phase extraction of lanthanides. Talanta 2016; 161:459-468. [DOI: 10.1016/j.talanta.2016.08.069] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 08/23/2016] [Accepted: 08/26/2016] [Indexed: 11/22/2022]
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43
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Selective Extraction of Cholesterol from Dairy Samples Using a Polypyrrole Molecularly Imprinted Polymer and Determination by Gas Chromatography. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0686-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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44
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Selective tools for the solid-phase extraction of Ochratoxin A from various complex samples: immunosorbents, oligosorbents, and molecularly imprinted polymers. Anal Bioanal Chem 2016; 408:6983-99. [PMID: 27585915 DOI: 10.1007/s00216-016-9886-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 06/21/2016] [Accepted: 08/16/2016] [Indexed: 12/27/2022]
Abstract
The evolution of instrumentation in terms of separation and detection has allowed a real improvement of the sensitivity and the analysis time. However, the analysis of ultra-traces of toxins such as ochratoxin A (OTA) from complex samples (foodstuffs, biological fluids…) still requires a step of purification and of preconcentration before chromatographic determination. In this context, extraction sorbents leading to a molecular recognition mechanism appear as powerful tools for the selective extraction of OTA and of its structural analogs in order to obtain more reliable and sensitive quantitative analyses of these compounds in complex media. Indeed, immunosorbents and oligosorbents that are based on the use of immobilized antibodies and of aptamers, respectively, and that are specific to OTA allow its selective clean-up from complex samples with high enrichment factors. Similar molecular recognition mechanisms can also be obtained by developing molecularly imprinted polymers, the synthesis of which leads to the formation of cavities that are specific to OTA, thus mimicking the recognition site of the biomolecules. Therefore, the principle, the advantages, the limits of these different types of extraction tools, and their complementary behaviors will be presented. The introduction of these selective tools in miniaturized devices will also be discussed.
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45
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Contin M, Bonelli P, Lucangioli S, Cukierman A, Tripodi V. Synthesis and characterization of molecularly imprinted polymer nanoparticles for coenzyme Q10 dispersive micro solid phase extraction. J Chromatogr A 2016; 1456:1-9. [DOI: 10.1016/j.chroma.2016.05.091] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 05/23/2016] [Accepted: 05/26/2016] [Indexed: 11/29/2022]
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46
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Tang W, Li G, Row KH, Zhu T. Preparation of hybrid molecularly imprinted polymer with double-templates for rapid simultaneous purification of theophylline and chlorogenic acid in green tea. Talanta 2016; 152:1-8. [DOI: 10.1016/j.talanta.2016.01.046] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2015] [Revised: 01/21/2016] [Accepted: 01/23/2016] [Indexed: 11/28/2022]
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47
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Osório MV, Marques SS, Oliveira HM, Barreiros L, Segundo MA. Fluorometric method based on molecular recognition solid-phase extraction for determination of riboflavin in milk and infant formula. J Food Compost Anal 2016. [DOI: 10.1016/j.jfca.2015.10.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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48
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Park JY. Effect of lithographically designed structures on the caffeine sensing properties of surface imprinted films. Analyst 2016; 141:5709-5713. [DOI: 10.1039/c6an01665k] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, molecularly imprinted films with concave and convex hemispherical patterns were fabricated using soft lithography and photopolymerization, and their dynamic sensing properties were compared using the gravimetric detection of caffeine.
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Affiliation(s)
- Jin Young Park
- Department of Polymer Science and Engineering
- Kyungpook National University
- Daegu
- 41566 Republic of Korea
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49
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Yang C, Lv T, Yan H, Wu G, Li H. Glyoxal-Urea-Formaldehyde Molecularly Imprinted Resin as Pipette Tip Solid-Phase Extraction Adsorbent for Selective Screening of Organochlorine Pesticides in Spinach. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:9650-9656. [PMID: 26449689 DOI: 10.1021/acs.jafc.5b02762] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A new kind of glyoxal-urea-formaldehyde molecularly imprinted resin (GUF-MIR) was synthesized by a glyoxal-urea-formaldehyde (GUF) gel imprinting method with 4,4'-dichlorobenzhydrol as a dummy template. The obtained GUF-MIR was characterized by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR) and applied as a selective adsorbent of miniaturized pipet tip solid-phase extraction (PT-SPE) for the separation and extraction of three organochlorine pesticides (dicofol (DCF), dichlorodiphenyl dichloroethane (DDD), and tetradifon) in spinach samples. The proposed pretreatment procedures of spinach samples involved only 5.0 mg of GUF-MIR, 0.7 mL of MeOH-H2O (1:1, v/v) (washing solvent), and 0.6 mL of cyclohexane-ethyl acetate (9:1, v/v) (elution solvent). In comparison with other adsorbents (such as silica gel, C18, NH2-silica gel, and neutral alumina (Al2O3-N)), GUF-MIR showed higher adsorption and purification capacity for DCF, DDD, and tetradifon in aqueous solution. The average recoveries at three spiked levels ranged from 89.1% to 101.9% with relative standard deviations (RSDs) ≤ 7.1% (n = 3). The presented GUF-MIR-PT-SPE method combines the advantages of molecularly imprinted polymers (MIPs), GUF, and PT-SPE and can be used in polar solutions with high affinity and selectivity to the analytes in complex samples.
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Affiliation(s)
- Chen Yang
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Department of Preventive Medicine and Health Management, Hebei University and ‡Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, College of Pharmacy, Hebei University , Baoding 071002, China
| | - Tianwei Lv
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Department of Preventive Medicine and Health Management, Hebei University and ‡Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, College of Pharmacy, Hebei University , Baoding 071002, China
| | - Hongyuan Yan
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Department of Preventive Medicine and Health Management, Hebei University and ‡Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, College of Pharmacy, Hebei University , Baoding 071002, China
| | - Gaochan Wu
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Department of Preventive Medicine and Health Management, Hebei University and ‡Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, College of Pharmacy, Hebei University , Baoding 071002, China
| | - Haonan Li
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Department of Preventive Medicine and Health Management, Hebei University and ‡Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, College of Pharmacy, Hebei University , Baoding 071002, China
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50
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Svoboda P, Combes A, Petit J, Nováková L, Pichon V, group BMAALS. Synthesis of a molecularly imprinted sorbent for selective solid-phase extraction of β-N-methylamino-l-alanine. Talanta 2015; 144:1021-9. [DOI: 10.1016/j.talanta.2015.07.052] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Revised: 07/10/2015] [Accepted: 07/17/2015] [Indexed: 10/23/2022]
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