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Prajapati KJ, Kothari C. Development and Validation of a Stability Indicating LC-MS/MS Method for the Determination of Clenbuterol HCl. Drug Res (Stuttg) 2020; 70:552-562. [PMID: 32937667 DOI: 10.1055/a-1167-0529] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Clenbuterol hydrochloride (CLT), β2 adrenergic agonist is used as a bronchodilator in the therapeutic treatment of asthma. It is important to know the stability behaviour of the drug in different degradation conditions as per ICH Q1A (R2) guidelines for safety and efficacy purpose. The main objective of the study is to develop and validate stability indicating LC-MS/MS method for the determination of Clenbuterol HCl. The separation was achieved using Phenomenex Gemini NX C18 (250*4.6 mm, 5 μ) column and the mobile phase consisting of ammonium acetate buffer (5 mM), 0.15% triethylamine (TEA), pH 7.5 with acetic acid: methanol (70:30, v/v) at flow rate 1 ml/min. The detection was done using PDA detector at 245 nm. The validation was performed as per ICH Q2 (R1) guideline. The drug was subjected to stress degradation conditions as per ICH Q1A (R2) guidelines. The significant degradation was observed in acidic (8.78%) and sunlight (liquid) (9%) condition while no degradation was observed in neutral, basic, oxidation and thermal condition. The drug and its degradation products were characterized using LC-MS/MS and the proposed degradation mechanism was communicated. The developed method was found to be stability-indicating, simple, specific, selective, sensitive, linear, accurate, robust and precise and used as a routine analysis in quality control laboratory.
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Affiliation(s)
- Krunal J Prajapati
- Department of Pharmaceutical Analysis, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
| | - Charmy Kothari
- Department of Pharmaceutical Analysis, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
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2
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Xu MX, Li Zhao W, Liu J, He T, Huang JJ, Ping Wang J. Determination of β-Agonists in Porcine Urine by Molecularly Imprinted Polymer Based Chemiluminescence. ANAL LETT 2019. [DOI: 10.1080/00032719.2019.1569019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Ming Xin Xu
- College of Veterinary Medicine, Hebei Agricultural University, Baoding Hebei, China
| | - Wei Li Zhao
- College of Veterinary Medicine, Hebei Agricultural University, Baoding Hebei, China
| | - Jing Liu
- College of Veterinary Medicine, Hebei Agricultural University, Baoding Hebei, China
| | - Tong He
- College of Veterinary Medicine, Hebei Agricultural University, Baoding Hebei, China
| | - Jing Jie Huang
- College of Veterinary Medicine, Hebei Agricultural University, Baoding Hebei, China
| | - Jian Ping Wang
- College of Veterinary Medicine, Hebei Agricultural University, Baoding Hebei, China
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3
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Solid phase extraction technique as a general field of application of molecularly imprinted polymer materials. COMPREHENSIVE ANALYTICAL CHEMISTRY 2019. [DOI: 10.1016/bs.coac.2019.05.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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4
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Guzzella L, Casatta N, Dahchour A, Baggiani C, Pozzoni F. Molecularly imprinted polymers for the detection of benomyl residues in water and soil samples. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2019; 54:702-708. [PMID: 31112093 DOI: 10.1080/03601234.2018.1473970] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Benomyl is a benzimidazol fungicide used against various crop pathogens. Although banned in many countries, it is still widely used worldwide and is listed in different monitoring programs among the substances to be monitored to assess human exposure to pesticide residues. The assessment of benomyl is mainly based on the analysis of the residues of its most important metabolite, carbendazim. Existing methods often lack of selectivity and display a limited performance because of the presence of co-extracted compounds. Molecularly imprinted polymers (MIPs) offer an alternative methodology, adsorbing preferentially those target molecules for which the polymers are specifically prepared. In this study, we optimized the synthesis of a polymer imprinted with benomyl. Tests of specificity recognition showed a good performance for carbendazim compared with other similar pesticides. The mean recovery of benomyl (measured as carbendazim) from water samples was estimated to be 90% for MIPs while with real soil samples collected in Morocco the recovery efficiency was 62%. Preliminary tests also suggest that this MIP can implement traditional SPE techniques for assessing benomyl residual concentrations in environmental samples.
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Affiliation(s)
- Licia Guzzella
- Water Research Institute-National Research Council (IRSA-CNR) , Brugherio ( MI) , Italy
| | - Nadia Casatta
- Water Research Institute-National Research Council (IRSA-CNR) , Brugherio ( MI) , Italy
| | - Abdelmalek Dahchour
- Département des Sciences Fondamentales et Appliquées, Institut Agronomique et Vétérinaire Hassan II , Instituts , Rabat , Morocco
| | | | - Fiorenzo Pozzoni
- Water Research Institute-National Research Council (IRSA-CNR) , Brugherio ( MI) , Italy
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5
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Synthesis of core-shell molecularly imprinted polymers (MIP) for spiramycin I and their application in MIP chromatography. Process Biochem 2018. [DOI: 10.1016/j.procbio.2018.04.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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6
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Pseudo template molecularly imprinted polymer for determination of 14 kind of β-agonists in animal urine by ultra-high-performance liquid chromatography-tandem mass spectrometry. J Chromatogr A 2017; 1526:23-30. [DOI: 10.1016/j.chroma.2017.09.076] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 09/28/2017] [Accepted: 09/30/2017] [Indexed: 11/20/2022]
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7
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Kong XJ, Zheng C, Lan YH, Chi SS, Dong Q, Liu HL, Peng C, Dong LY, Xu L, Wang XH. Synthesis of multirecognition magnetic molecularly imprinted polymer by atom transfer radical polymerization and its application in magnetic solid-phase extraction. Anal Bioanal Chem 2017; 410:247-257. [DOI: 10.1007/s00216-017-0716-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 10/17/2017] [Indexed: 01/05/2023]
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8
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9
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Wang L, Zeng Z, Wang Z, Guo J, He L. Influence of Water in Samples on Residues Analysis of Beta-Agonists in Porcine Tissues and Urine Using Liquid Chromatography Tandem Mass Spectrometry. FOOD ANAL METHOD 2015. [DOI: 10.1007/s12161-015-0359-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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10
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Wang P, Liu X, Su X, Zhu R. Sensitive detection of β-agonists in pork tissue with novel molecularly imprinted polymer extraction followed liquid chromatography coupled tandem mass spectrometry detection. Food Chem 2015; 184:72-9. [DOI: 10.1016/j.foodchem.2015.03.073] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Revised: 03/18/2015] [Accepted: 03/20/2015] [Indexed: 11/29/2022]
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11
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Ionic liquids modified dummy molecularly imprinted microspheres as solid phase extraction materials for the determination of clenbuterol and clorprenaline in urine. J Chromatogr A 2013; 1294:10-6. [DOI: 10.1016/j.chroma.2013.04.024] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Revised: 04/08/2013] [Accepted: 04/10/2013] [Indexed: 11/17/2022]
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12
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Kong Y, Yao C, Ni J, Zhou Y, Chen Z. Identification of Aspartic Acid Enantiomers Based on Molecularly Imprinted Polyaniline. CHINESE J CHEM 2011. [DOI: 10.1002/cjoc.201180436] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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13
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Gao W, Wan F, Ni W, Wang S, Zhang M, Yu J. Electrochemical Sensor for Detection of Trichlorfon Based on Molecularly Imprinted Sol–Gel Films Modified Glassy Carbon Electrode. J Inorg Organomet Polym Mater 2011. [DOI: 10.1007/s10904-011-9593-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Abstract
Clenbuterol is therapeutically used for the treatment of pulmonary diseases such as bronchial asthma or for tocolytic reasons. In cattle feeding as well as in sports it is illicitly misused due to its anabolic properties to promote muscle growth. Sample preparation procedures and analytical techniques used for the detection of clenbuterol are manifold and vary with the objectives of the investigation. Methods for its detection in biological specimens, drug preparations, the environment, food and feed products are reported. They are mainly based on immunochemical, chromatographic and mass spectrometric techniques, or on capillary electrophoresis. Sample preparation primarily includes liquid-liquid extraction and solid-phase extraction. Depending on the aim of the method clenbuterol can be determined in single- or multi-analyte methods. In biological and environmental samples concentrations are generally low due to the potency of the drug. Thus, highly sensitive procedures are required for expedient analyses.
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Chen L, Xu S, Li J. Recent advances in molecular imprinting technology: current status, challenges and highlighted applications. Chem Soc Rev 2011; 40:2922-42. [PMID: 21359355 DOI: 10.1039/c0cs00084a] [Citation(s) in RCA: 1142] [Impact Index Per Article: 87.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Molecular imprinting technology (MIT) concerns formation of selective sites in a polymer matrix with the memory of a template. Recently, molecularly imprinted polymers (MIPs) have aroused extensive attention and been widely applied in many fields, such as solid-phase extraction, chemical sensors and artificial antibodies owing to their desired selectivity, physical robustness, thermal stability, as well as low cost and easy preparation. With the rapid development of MIT as a research hotspot, it faces a number of challenges, involving biological macromolecule imprinting, heterogeneous binding sites, template leakage, incompatibility with aqueous media, low binding capacity and slow mass transfer, which restricts its applications in various aspects. This critical review briefly reviews the current status of MIT, particular emphasis on significant progresses of novel imprinting methods, some challenges and effective strategies for MIT, and highlighted applications of MIPs. Finally, some significant attempts in further developing MIT are also proposed (236 references).
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Affiliation(s)
- Lingxin Chen
- Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China.
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16
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Synthesis of a molecularly imprinted polymer and its application for microextraction by packed sorbent for the determination of fluoroquinolone related compounds in water. Anal Chim Acta 2011; 685:146-52. [DOI: 10.1016/j.aca.2010.11.038] [Citation(s) in RCA: 129] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2010] [Revised: 11/18/2010] [Accepted: 11/19/2010] [Indexed: 11/22/2022]
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17
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Lai JP, Lu CY, He XW. Chromatographic Characterization of Molecularly Imprinted Microspheres Synthesized by Aqueous Microsuspension Polymerization : Influences of pH, Kinds and Concentration of Buffer on Capacity Factors. CHINESE J CHEM 2010. [DOI: 10.1002/cjoc.20020201017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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18
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Fuwei W, Jinghua Y, Ping D, Shenguang G. Molecular Imprinting-Chemiluminescence Sensor for the Determination of Amoxicillin. ANAL LETT 2010. [DOI: 10.1080/00032710903491104] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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19
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Shi X, Song S, Qu G, Zheng S, Wu A, Zhang D. Water Compatible Molecularly Imprinted Polymer Microspheres for Extraction of Ampicillin in Foods. ANAL LETT 2010. [DOI: 10.1080/00032710903486286] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Kong Y, Zhao W, Yao S, Xu J, Wang W, Chen Z. Molecularly imprinted polypyrrole prepared by electrodeposition for the selective recognition of tryptophan enantiomers. J Appl Polym Sci 2010. [DOI: 10.1002/app.31165] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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21
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Turner NW, Holdsworth CI, Donne SW, McCluskey A, Bowyer MC. Microwave induced MIP synthesis: comparative analysis of thermal and microwave induced polymerisation of caffeine imprinted polymers. NEW J CHEM 2010. [DOI: 10.1039/b9nj00538b] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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22
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Hua Z, Zhou S, Zhao M. Fabrication of a surface imprinted hydrogel shell over silica microspheres using bovine serum albumin as a model protein template. Biosens Bioelectron 2009; 25:615-22. [DOI: 10.1016/j.bios.2009.01.027] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2008] [Revised: 01/10/2009] [Accepted: 01/13/2009] [Indexed: 10/21/2022]
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23
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He L, Su Y, Shen X, Zheng Y, Guo H, Zeng Z. Solid-phase extraction of melamine from aqueous samples using water-compatible molecularly imprinted polymers. J Sep Sci 2009; 32:3310-8. [DOI: 10.1002/jssc.200900407] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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24
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Blahová E, Lehotay J, Skačáni I. The Use of Molecularly Imprinted Polymer for Selective Extraction of (+)‐Catechin. J LIQ CHROMATOGR R T 2009. [DOI: 10.1081/jlc-200029276] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Eva Blahová
- a Department of Analytical Chemistry , Faculty of Chemical and Food Technology , Radlinského 9, 812‐37 , Bratislava , Slovakia
| | - Jozef Lehotay
- a Department of Analytical Chemistry , Faculty of Chemical and Food Technology , Radlinského 9, 812‐37 , Bratislava , Slovakia
| | - Ivan Skačáni
- a Department of Analytical Chemistry , Faculty of Chemical and Food Technology , Radlinského 9, 812‐37 , Bratislava , Slovakia
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25
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Haginaka J. Molecularly imprinted polymers as affinity-based separation media for sample preparation. J Sep Sci 2009; 32:1548-65. [DOI: 10.1002/jssc.200900085] [Citation(s) in RCA: 153] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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26
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Alizadeh T, Ganjali MR, Nourozi P, Zare M. Multivariate optimization of molecularly imprinted polymer solid-phase extraction applied to parathion determination in different water samples. Anal Chim Acta 2009; 638:154-61. [DOI: 10.1016/j.aca.2009.02.040] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2008] [Revised: 02/20/2009] [Accepted: 02/23/2009] [Indexed: 11/26/2022]
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27
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Jing-hua Y, Fu-wei W, Ping D, Shen-guang G, Bo L, Jia-dong H. Flow Injection Chemiluminescence Sensor with Novel Rhodanine Ramification for Determination of Fenfluramine Based on Molecularly Imprinted Polymer. ANAL LETT 2009. [DOI: 10.1080/00032710902722004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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28
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Zheng S, Song S, Lan H, Qu G, Li R, Wu A, Zhang D. Newly Combined Method of Molecularly Imprinted Solid-Phase Extraction with ELISA for Rapid Detection of Clenbuterol in Animal-Tissue Samples. ANAL LETT 2009. [DOI: 10.1080/00032710802677134] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Sulian Zheng
- a Bor Luh Food Safety Center, Key Laboratory of Microbial Metabolism, Ministry of Education, College of Life Science and Biotechnology, Shanghai Jiao Tong University , Shanghai , P. R. China
| | - Suquan Song
- b Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences , Shanghai , P. R. China
| | - Huo Lan
- a Bor Luh Food Safety Center, Key Laboratory of Microbial Metabolism, Ministry of Education, College of Life Science and Biotechnology, Shanghai Jiao Tong University , Shanghai , P. R. China
| | - Guorun Qu
- c Medical School, Southeast University , Nanjing , P. R. China
| | - Rongxiu Li
- a Bor Luh Food Safety Center, Key Laboratory of Microbial Metabolism, Ministry of Education, College of Life Science and Biotechnology, Shanghai Jiao Tong University , Shanghai , P. R. China
| | - Aibo Wu
- a Bor Luh Food Safety Center, Key Laboratory of Microbial Metabolism, Ministry of Education, College of Life Science and Biotechnology, Shanghai Jiao Tong University , Shanghai , P. R. China
| | - Dabing Zhang
- a Bor Luh Food Safety Center, Key Laboratory of Microbial Metabolism, Ministry of Education, College of Life Science and Biotechnology, Shanghai Jiao Tong University , Shanghai , P. R. China
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29
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Zhu Q, Wang L, Wu S, Joseph W, Gu X, Tang J. Selectivity of molecularly imprinted solid phase extraction for sterol compounds. Food Chem 2009. [DOI: 10.1016/j.foodchem.2008.07.044] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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30
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Syntheses of molecularly imprinted polymers: Molecular recognition of cyproheptadine using original print molecules and azatadine as dummy templates. Anal Chim Acta 2009; 631:237-44. [DOI: 10.1016/j.aca.2008.10.054] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2008] [Revised: 10/13/2008] [Accepted: 10/14/2008] [Indexed: 11/24/2022]
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31
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Cozzini P, Ingletto G, Singh R, Dall’Asta C. Mycotoxin detection plays "cops and robbers": cyclodextrin chemosensors as specialized police? Int J Mol Sci 2008; 9:2474-2494. [PMID: 19330087 PMCID: PMC2635654 DOI: 10.3390/ijms9122474] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2008] [Revised: 11/20/2008] [Accepted: 12/03/2008] [Indexed: 11/16/2022] Open
Abstract
As in a cops and robbers play we discover new mycotoxins and metabolites everyday and we are forced to develop new molecules quickly as chemo- or biosensors or to modify existing molecules able to recognize these new hazardous compounds. This will result in an enormous cost saving to agro-food industry through the prevention and reduction of product recalls and reduced treatment costs. Here we present a brief review of the rapid methods used to detect mycotoxins, considering usefulness and limits. Then we propose a new fast, efficient and cheap methodology, based on a combination of computer chemistry aided design and fluorescence, that can help to drive synthesis in a more efficient way.
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Affiliation(s)
- Pietro Cozzini
- Molecular Modeling Laboratory, Department of General and Inorganic Chemistry, University of Parma, Via G.P. Usberti 17/A 43100, Parma, Italy. E-Mails:
(G. I.);
(R. S.)
- INBB, National Institute for Biostructures and Biosystems, Viale Medaglie d’oro 305, 00136 Rome, Italy
| | - Gianluigi Ingletto
- Molecular Modeling Laboratory, Department of General and Inorganic Chemistry, University of Parma, Via G.P. Usberti 17/A 43100, Parma, Italy. E-Mails:
(G. I.);
(R. S.)
| | - Ratna Singh
- Molecular Modeling Laboratory, Department of General and Inorganic Chemistry, University of Parma, Via G.P. Usberti 17/A 43100, Parma, Italy. E-Mails:
(G. I.);
(R. S.)
| | - Chiara Dall’Asta
- Department of Organic and Industrial Chemistry, University of Parma, Via G.P. Usberti 17/A 43100, Parma, Italy. E-Mail:
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32
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Hugon-Chapuis F, Mullot J, Tuffal G, Hennion MC, Pichon V. Selective and automated sample pretreatment by molecularly imprinted polymer for the analysis of the basic drug alfuzosin from plasma. J Chromatogr A 2008; 1196-1197:73-80. [DOI: 10.1016/j.chroma.2008.04.038] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2008] [Revised: 04/15/2008] [Accepted: 04/17/2008] [Indexed: 11/28/2022]
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33
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Analysis of sulfamerazine in pond water and several fishes by high-performance liquid chromatography using molecularly imprinted solid-phase extraction. Anal Bioanal Chem 2008; 391:2291-8. [DOI: 10.1007/s00216-008-2131-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2008] [Revised: 04/07/2008] [Accepted: 04/11/2008] [Indexed: 10/22/2022]
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34
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Qin L, He XW, Li WY, Zhang YK. Molecularly imprinted polymer prepared with bonded β-cyclodextrin and acrylamide on functionalized silica gel for selective recognition of tryptophan in aqueous media. J Chromatogr A 2008; 1187:94-102. [DOI: 10.1016/j.chroma.2008.02.004] [Citation(s) in RCA: 130] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2007] [Revised: 02/04/2008] [Accepted: 02/05/2008] [Indexed: 11/26/2022]
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35
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Trace level determination of beta-blockers in waste waters by highly selective molecularly imprinted polymers extraction followed by liquid chromatography-quadrupole-linear ion trap mass spectrometry. J Chromatogr A 2007; 1189:374-84. [PMID: 18035360 DOI: 10.1016/j.chroma.2007.10.052] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2007] [Revised: 09/27/2007] [Accepted: 10/19/2007] [Indexed: 11/20/2022]
Abstract
This paper describes the development of an analytical methodology to determine eight beta-blockers in waste waters using molecularly imprinted polymers (MIPs) as extraction and pre-concentration material, followed by liquid chromatography-quadrupole-linear ion trap mass spectrometry (LC-QqLIT MS). The advantages offered by MIPs, in terms of selectivity and specificity, were compared with the most commonly polymeric materials used (the lipophilic-hydrophilic balanced Oasis HLB cartridges). Even though recoveries achieved with both sorbents were similar, ranging from 50 to 110% for sewage treatment plant (STP) effluent and 40-110 for STP influent, respectively, MIPs provided lower method detection limits than Oasis HLB, due to their specificity for target analytes and closely related analogues. Method detection limits (MDL) achieved using MIPs ranged from 0.2 to 6.4 ng/L for STP effluent and from 0.4 to 6.5 ng/L for STP influent. To highlight the advantages of MIPs against conventional polymeric cartridges, a detailed matrix effects study as well as cross reactivity tests were performed. For the latter purpose, the extraction efficiency of some pharmaceuticals and pesticides belonging to different therapeutic classes was assessed. LC-QqLIT MS, used for quantification and confirmation, proved to be a powerful analytical tool, as instrumental detection limits (IDL) achieved ranged from 0.2 to 2.7 pg injected (in multiple reaction monitoring mode (MRM)). In addition the inclusion of high sensitive MS/MS scans for each compound when working in Information Dependent Acquisition mode (IDA) provided extra confirmation for unequivocal identification of target compounds in complex environmental matrices.
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Turner NW, Liu X, Piletsky SA, Hlady V, Britt DW. Recognition of conformational changes in beta-lactoglobulin by molecularly imprinted thin films. Biomacromolecules 2007; 8:2781-7. [PMID: 17665947 PMCID: PMC2637992 DOI: 10.1021/bm7004774] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Pathogenesis in protein conformational diseases is initiated by changes in protein secondary structure. This molecular restructuring presents an opportunity for novel shape-based detection approaches, as protein molecular weight and chemistry are otherwise unaltered. Here we apply molecular imprinting to discriminate between distinct conformations of the model protein beta-lactoglobulin (BLG). Thermal- and fluoro-alcohol-induced BLG isoforms were imprinted in thin films of 3-aminophenylboronic acid on quartz crystal microbalance chips. Enhanced rebinding of the template isoform was observed in all cases when compared to the binding of nontemplate isoforms over the concentration range of 1-100 microg mL(-1). Furthermore, it was observed that the greater the changes in the secondary structure of the template protein the lower the binding of native BLG challenges to the imprint, suggesting a strong steric influence in the recognition system. This feasibility study is a first demonstration of molecular imprints for recognition of distinct conformations of the same protein.
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Affiliation(s)
- Nicholas W. Turner
- Department of Bioengineering, University of Utah, Salt Lake City, Utah 84112
- Cranfield Health, Cranfield University at Silsoe, Silsoe, Bedfordshire, MK45 4DT, U.K
| | - Xiao Liu
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan Utah 84322
| | - Sergey A. Piletsky
- Cranfield Health, Cranfield University at Silsoe, Silsoe, Bedfordshire, MK45 4DT, U.K
| | - Vladimir Hlady
- Department of Bioengineering, University of Utah, Salt Lake City, Utah 84112
| | - David W. Britt
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan Utah 84322
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Pichon V. Selective sample treatment using molecularly imprinted polymers. J Chromatogr A 2007; 1152:41-53. [PMID: 17412351 DOI: 10.1016/j.chroma.2007.02.109] [Citation(s) in RCA: 204] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2006] [Revised: 02/14/2007] [Accepted: 02/21/2007] [Indexed: 11/19/2022]
Abstract
The molecularly imprinted polymers (MIPs) are synthetic polymers possessing specific cavities designed for a target molecule. By a mechanism of molecular recognition, the MIPs are used as selective sorbents for the solid-phase extraction of target analytes from complex matrices. MIPs are often called synthetic antibodies in comparison with immuno-based sorbents; they offer some advantages including easy, cheap and rapid preparation and high thermal and chemical stability. This review describes the use of MIPs in solid-phase extraction with emphasis on their synthesis, the various parameters affecting the selectivity of the extraction, their potential to selectively extract analytes from complex aqueous samples or organic extracts, their on-line coupling with LC and their potential in miniaturized devices.
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Affiliation(s)
- Valérie Pichon
- Laboratoire Environnement et Chimie Analytique (UMR CNRS 7121), Ecole Supérieure de Physique et de Chimie Industrielles, 10 rue Vauquelin, 75231 Paris Cedex 05, France.
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Baggiani C, Anfossi L, Giovannoli C. Solid phase extraction of food contaminants using molecular imprinted polymers. Anal Chim Acta 2007; 591:29-39. [PMID: 17456421 DOI: 10.1016/j.aca.2007.01.056] [Citation(s) in RCA: 209] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2006] [Revised: 01/16/2007] [Accepted: 01/20/2007] [Indexed: 11/16/2022]
Abstract
Food contamination from natural or anthropogenic sources poses severe risks to human health. It is now largely accepted that continuous exposure to low doses of toxic chemicals can be related to several chronic diseases, including some type of cancer and serious hormonal dysfunctions. Contemporary analytical methods have the sensitivity required for contamination detection and quantification, but direct application of these methods on food samples can be rarely performed. In fact, the matrix introduces severe disturbances, and analysis can be performed only after some clean-up and preconcentration steps. Current sample pre-treatment methods, mostly based on the solid phase extraction technique, are very fast and inexpensive but show a lack of selectivity, while methods based on immunoaffinity extraction are very selective but expensive and not suitable for harsh environments. Thus, inexpensive, rapid and selective clean-up methods, relaying on "intelligent" materials are needed. Recent years have seen a significant increase of the "molecularly imprinted solid phase extraction" (MISPE) technique in the food contaminant analysis. In fact, this technique seems to be particularly suitable for extractive applications where analyte selectivity in the presence of very complex and structured matrices represents the main problem. In this review, several applications of MISPE in food contamination analysis will be discussed, with particular emphasis on the extraction of pesticides, drugs residua, mycotoxins and environmental contaminants.
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Affiliation(s)
- Claudio Baggiani
- Laboratory of Bioanalytical Chemistry, Department of Analytical Chemistry, University of Torino, Italy.
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Pichon V, Haupt K. Affinity Separations on Molecularly Imprinted Polymers with Special Emphasis on Solid‐Phase Extraction. J LIQ CHROMATOGR R T 2007. [DOI: 10.1080/10826070600574739] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Valérie Pichon
- a Laboratoire Environnement et Chimie Analytique , Ecole Supérieure de Physique et de Chimie Industrielles , Paris, France
| | - Karsten Haupt
- b Université de Technologie de Compiègne, Génie Enzymatique et Cellulaire , Compiègne, France
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Turner NW, Wright BE, Hlady V, Britt DW. Formation of protein molecular imprints within Langmuir monolayers: a quartz crystal microbalance study. J Colloid Interface Sci 2006; 308:71-80. [PMID: 17204279 PMCID: PMC2632306 DOI: 10.1016/j.jcis.2006.12.037] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2006] [Revised: 12/13/2006] [Accepted: 12/13/2006] [Indexed: 11/24/2022]
Abstract
Protein imprinting leading to enhanced rebinding of ferritin to ternary lipid monolayers is demonstrated using a quartz crystal microbalance. Monolayers consisting of cationic dioctadecyldimethylammonium bromide, non-ionic methyl stearate, and poly(ethylene glycol) bearing phospholipids were imprinted with ferritin at the air/water interface of a Langmuir-Blodgett trough and transferred hydrated to hydrophobic substrates for study. This immobilization was shown by fluorescence correlation spectroscopy to significantly hinder any further diffusion of lipids, while rebinding studies demonstrated up to a six-fold increase in ferritin adsorption to imprinted versus control monolayers. A diminished rebinding of ferritin to its imprint was observed through pH reduction to below the protein isoelectric point, demonstrating the electrostatic nature of the interaction. Rebinding to films where imprint pockets remained occupied by the template protein was also minimal. Studies with a smaller acidic protein revealed the importance of the steric influence of poly(ethylene glycol) in forming the protein binding pockets, as albumin-imprinted monolayers showed low binding of ferritin, while ferritin-imprinted monolayers readily accommodated albumin. The controllable structure-function relationship and limitations of this system are discussed with respect to the application of protein imprinting in sensor development as well as fundamental studies of proteins at dynamic interfaces.
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Affiliation(s)
- Nicholas W. Turner
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
| | - Bryon E. Wright
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
| | - Vladimir Hlady
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
- Corresponding authors. Fax: +1 801 585 5151, +1 435 797 1248. E-mail addresses: (V. Hlady), (D.W. Britt)
| | - David W. Britt
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan UT 84322, USA
- Corresponding authors. Fax: +1 801 585 5151, +1 435 797 1248. E-mail addresses: (V. Hlady), (D.W. Britt)
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Ding L, Li H, Tang F, Yao S. Molecularly Imprinted Solid‐Phase Extraction of Epicatechin from Tea Beverage. ANAL LETT 2006. [DOI: 10.1080/00032710600748780] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Ou J, Kong L, Pan C, Su X, Lei X, Zou H. Determination of dl-tetrahydropalmatine in Corydalis yanhusuo by l-tetrahydropalmatine imprinted monolithic column coupling with reversed-phase high performance liquid chromatography. J Chromatogr A 2006; 1117:163-9. [PMID: 16603171 DOI: 10.1016/j.chroma.2006.03.084] [Citation(s) in RCA: 105] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2005] [Revised: 03/20/2006] [Accepted: 03/24/2006] [Indexed: 11/17/2022]
Abstract
A method for direct determination of DL-tetrahydropalmatine (DL-THP) in Corydalis yanhusuo, a traditional Chinese herb, by L-THP imprinted monolithic precolumn on-line/off-line coupling with reversed-phase high performance liquid chromatography (RP-HPLC) was developed. The L-THP imprinted monolithic column has been prepared by in situ polymerization using methacrylic acid (MAA) and ethylene dimethacrylate (EDMA) as functional monomer and cross-linker, respectively. With the optimization of chromatographic conditions, such as mobile phase composition, flow rate, column temperature and sample loading, for the separation of enantiomer, DL-THP was base-line separated on the MIP. The imprinted monolithic column was used as a precolumn for fractionation of the C. yanhusuo extract. Both the non-retained and retained fractions were separated by RP-HPLC. Meanwhile, the D-THP and L-THP can be detected in the non-retained and retained fractions, respectively. Additionally, direct determination of L-THP using molecularly imprinted monolith on-line coupling with a reversed-phase column was acquired.
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Affiliation(s)
- Junjie Ou
- National Chromatographic R&A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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44
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Integration of photosynthetic biosensor with molecularly imprinted polymer-based solid phase extraction cartridge. Anal Chim Acta 2006. [DOI: 10.1016/j.aca.2006.03.086] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Jiang M, Zhang JH, Mei SR, Shi Y, Zou LJ, Zhu YX, Dai K, Lu B. Direct enrichment and high performance liquid chromatography analysis of ultra-trace Bisphenol A in water samples with narrowly dispersible Bisphenol A imprinted polymeric microspheres column. J Chromatogr A 2006; 1110:27-34. [PMID: 16472539 DOI: 10.1016/j.chroma.2006.01.051] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2005] [Revised: 01/02/2006] [Accepted: 01/11/2006] [Indexed: 11/18/2022]
Abstract
Direct injection, enrichment and high performance liquid chromatography (HPLC) analysis of ultra-trace Bisphenol A (BPA) in water samples using one narrowly dispersible BPA imprinted polymeric microspheres (MIPM) column in one analysis process was developed. One BPA imprinted MIPM that had the best globular morphology and imprinted efficiency was used as HPLC stationary phase and applied to direct analysis of ultra-trace BPA in water. The optimum direct analysis conditions were: conditioning the MIPM column with water for 10min, injecting 40mL water sample directly, eluting with 70% methanol for 13min and then 100% methanol for 7min. Under the optimum conditions, the MIPM column can simultaneously extract, enrich, separate and determine ultra-trace BPA in one analysis process with UV detector by injection of large volume water samples (40mL). The calibration graph was linear with R(2)>0.998 in the ranges from 0.1-100nmol/L BPA standard solution. The intra- and inter-day RSD are less than 9.5 and 9.6%, respectively. The limit of quantification was 0.1nmol/L. RSD for spiked tap and lake water was less than 8.9% and the recoveries were 96-101.8%. The enrichment factor for BPA was 10,000 as 40mL water sample was directly injected and analyzed.
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Affiliation(s)
- Ming Jiang
- MOE Key Laboratory of Environment and Health, Institute of Environmental Medicine, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, #13 Hangkong Road, Wuhan, Hubei 430030, PR China
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Alexander C, Andersson HS, Andersson LI, Ansell RJ, Kirsch N, Nicholls IA, O'Mahony J, Whitcombe MJ. Molecular imprinting science and technology: a survey of the literature for the years up to and including 2003. J Mol Recognit 2006; 19:106-80. [PMID: 16395662 DOI: 10.1002/jmr.760] [Citation(s) in RCA: 776] [Impact Index Per Article: 43.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Over 1450 references to original papers, reviews and monographs have herein been collected to document the development of molecular imprinting science and technology from the serendipitous discovery of Polyakov in 1931 to recent attempts to implement and understand the principles underlying the technique and its use in a range of application areas. In the presentation of the assembled references, a section presenting reviews and monographs covering the area is followed by papers dealing with fundamental aspects of molecular imprinting and the development of novel polymer formats. Thereafter, literature describing attempts to apply these polymeric materials to a range of application areas is presented.
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Affiliation(s)
- Cameron Alexander
- The School of Pharmacy, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
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Yang J, Hu Y, Cai JB, Zhu XL, Su QD. A new molecularly imprinted polymer for selective extraction of cotinine from urine samples by solid-phase extraction. Anal Bioanal Chem 2005; 384:761-8. [PMID: 16385415 DOI: 10.1007/s00216-005-0221-4] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2005] [Revised: 11/01/2005] [Accepted: 11/02/2005] [Indexed: 11/30/2022]
Abstract
Cotinine, the main metabolite of nicotine in human body, is widely used as a biomarker for assessment of direct or passive exposure to tobacco smoke. A method for molecularly imprinted solid-phase extraction (MISPE) of cotinine from human urine has been investigated. The molecularly imprinted polymer (MIP) with good selectivity and affinity for cotinine was synthesized using cotinine as the template molecule, methacrylic acid as the functional monomer, and ethylene glycol dimethacrylate as the cross-linker. The imprinted polymer was evaluated for use as a SPE sorbent, in tests with aqueous standards, by comparing recovery data obtained using the imprinted form of the polymer and a non-imprinted form (NIP). Extraction from the aqueous solutions resulted in more than 80% recovery. A range of linearity for cotinine between 0.05 and 5 microg mL-1 was obtained by loading 1 mL blank urine samples spiked with cotinine at different concentrations in acetate buffer of pH 9.0, and by using double basic washing and acidic elution. The intra-day coefficient of variation (CV) was below 7% and inter-day CV was below 10%. This investigation has provided a reliable MISPE-HPLC method for determination of cotinine in human urine from both active smokers and passive smokers.
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Affiliation(s)
- Jun Yang
- Department of Chemistry, University of Science and Technology of China, 230026, Hefei, People's Republic of China
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Weetall H, Hatchett D, Rogers K. Electrochemically Deposited Polymer-Coated Gold Electrodes Selective for 2,4-Dichlorophenoxyacetic Acid. ELECTROANAL 2005. [DOI: 10.1002/elan.200503304] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Logrieco A, Arrigan DWM, Brengel-Pesce K, Siciliano P, Tothill I. DNA arrays, electronic noses and tongues, biosensors and receptors for rapid detection of toxigenic fungi and mycotoxins: a review. ACTA ACUST UNITED AC 2005; 22:335-44. [PMID: 16019803 DOI: 10.1080/02652030500070176] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
This paper presents an overview of how microsystem technology tools can be applied to the development of rapid, out-of-laboratory measurement capabilities for the determinations of toxigenic fungi and mycotoxins in foodstuffs. Most of the topics discussed are all under investigation within the European Commission-sponsored project Good-Food (FP6-IST). These are DNA arrays, electronic noses and electronic tongues for the detection of fungal contaminants in feed, and biosensors and chemical sensors based on microfabricated electrode systems, antibodies and novel synthetic receptors for the detection of specific mycotoxins. The approach to resolution of these difficult measurement problems in real matrices requires a multidisciplinary approach. The technology tools discussed can provide a route to the rapid, on-site generation of data that can aid the safe production of high-quality foodstuffs.
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Affiliation(s)
- A Logrieco
- Istituto di Scienze delle Produzioni Alimentari, CNR, Via Amendola 122/O, I-70126 Bari, Italy.
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Lehmann M, Dettling M, Brunner H, Tovar GEM. Affinity parameters of amino acid derivative binding to molecularly imprinted nanospheres consisting of poly[(ethylene glycol dimethacrylate)-co-(methacrylic acid)]. J Chromatogr B Analyt Technol Biomed Life Sci 2004; 808:43-50. [PMID: 15236684 DOI: 10.1016/j.jchromb.2004.03.068] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The binding of L-Boc-phenylalanine anilide (BFA) and L-Boc-phenylalanine (phe) to molecularly imprinted and non-imprinted polymer nanoparticles consisting of poly[(ethylene glycol dimethacrylate)-co-(methacrylic acid)] has been investigated by adsorption experiments and mathematical modeling. The experimental isotherms have been mathematically adapted following the models of Freundlich, Langmuir, Langmuir-Freundlich, Bi-Langmuir, and extended Langmuir. The extended Langmuir model differentiated between specific and nonspecific binding of the ligand to the receptor nanoparticles and rendered excellent fitting of the experimental data. It delivered a thermodynamic and kinetic parameter set on the experimental association curves of L-BFA by L-BFA-imprinted nanospheres in suspension experiments with the equilibrium constant KD= 4.09 +/- 0.69 micromol L(-1) and the kinetic association rate constant Ka= 5.60 mL micromol(-1) min(-1).
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Affiliation(s)
- Mathias Lehmann
- Fraunhofer Institute for Interfacial Engineering & Biotechnology and Institute for Interfacial Engineering, University of Stuttgart, Nobelstr. 12, 70569 Stuttgart, Germany
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