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Ahadi HM, Fardhan FM, Rahayu D, Pratiwi R, Hasanah AN. Molecularly Imprinted Microspheres in Active Compound Separation from Natural Product. Molecules 2024; 29:4043. [PMID: 39274891 PMCID: PMC11396677 DOI: 10.3390/molecules29174043] [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: 07/19/2024] [Revised: 08/13/2024] [Accepted: 08/23/2024] [Indexed: 09/16/2024] Open
Abstract
Molecularly Imprinted Microspheres (MIMs) or Microsphere Molecularly Imprinted Polymers represent an innovative design for the selective extraction of active compounds from natural products, showcasing effectiveness and cost-efficiency. MIMs, crosslinked polymers with specific binding sites for template molecules, overcome irregularities observed in traditional Molecularly Imprinted Polymers (MIPs). Their adaptability to the shape and size of target molecules allows for the capture of compounds from complex mixtures. This review article delves into exploring the potential practical applications of MIMs, particularly in the extraction of active compounds from natural products. Additionally, it provides insights into the broader development of MIM technology for the purification of active compounds. The synthesis of MIMs encompasses various methods, including precipitation polymerization, suspension polymerization, Pickering emulsion polymerization, and Controlled/Living Radical Precipitation Polymerization. These methods enable the formation of MIPs with controlled particle sizes suitable for diverse analytical applications. Control over the template-to-monomer ratio, solvent type, reaction temperature, and polymerization time is crucial to ensure the successful synthesis of MIPs effective in isolating active compounds from natural products. MIMs have been utilized to isolate various active compounds from natural products, such as aristolochic acids from Aristolochia manshuriensis and flavonoids from Rhododendron species, among others. Based on the review, suspension polymerization deposition, which is one of the techniques used in creating MIPs, can be classified under the MIM method. This is due to its ability to produce polymers that are more homogeneous and exhibit better selectivity compared to traditional MIP techniques. Additionally, this method can achieve recovery rates ranging from 94.91% to 113.53% and purities between 86.3% and 122%. The suspension polymerization process is relatively straightforward, allowing for the effective control of viscosity and temperature. Moreover, it is cost-effective as it utilizes water as the solvent.
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Affiliation(s)
- Husna Muharram Ahadi
- Pharmaceutical Analysis and Medicinal Chemistry Department, Faculty of Pharmacy, Universitas Padjadjaran, Bandung 45363, Indonesia
| | - Firghi Muhammad Fardhan
- Pharmaceutical Analysis and Medicinal Chemistry Department, Faculty of Pharmacy, Universitas Padjadjaran, Bandung 45363, Indonesia
| | - Driyanti Rahayu
- Pharmaceutical Analysis and Medicinal Chemistry Department, Faculty of Pharmacy, Universitas Padjadjaran, Bandung 45363, Indonesia
| | - Rimadani Pratiwi
- Pharmaceutical Analysis and Medicinal Chemistry Department, Faculty of Pharmacy, Universitas Padjadjaran, Bandung 45363, Indonesia
| | - Aliya Nur Hasanah
- Pharmaceutical Analysis and Medicinal Chemistry Department, Faculty of Pharmacy, Universitas Padjadjaran, Bandung 45363, Indonesia
- Drug Development Study Center, Faculty of Pharmacy, Universitas Padjadjaran, Bandung 45363, Indonesia
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Wei J, Shao X, Guo J, Zheng Y, Wang Y, Zhang Z, Chen Y, Li Y. Rapid and selective removal of aristolochic acid I in natural products by vinylene-linked iCOF resins. JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132140. [PMID: 37734311 DOI: 10.1016/j.jhazmat.2023.132140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 07/08/2023] [Accepted: 07/23/2023] [Indexed: 09/23/2023]
Abstract
Rapid, efficient, and selective removal of toxicants such as aristolochic acid I (AAI) from complex natural product systems is of great significance for the safe use of herbal medicines or medicine-food plants. Addressing this challenge, we develop a high-performance separation approach based on ionic covalent organic frameworks (iCOFs) to separate and remove AAI. Two vinylene-linked iCOFs (NKCOF-46-Br- and NKCOF-55-Br-) with high crystallinity are fabricated in a green and scalable fashion via a melt polymerization synthesis method. The resulting materials exhibit a uniform morphology, high stability, fast equilibrium time, and superior affinity and selectivity for AAI. Compared to conventional separation media, NKCOF-46-Br- and NKCOF-55-Br- achieve the record high adsorption capacities of 246.0 mg g-1 and 178.4 mg g-1, respectively. Various investigations reveal that the positively charged framework and favorable pore microenvironment of iCOFs contribute to their high selectivity and adsorption efficiency. Moreover, the iCOFs exhibit excellent biocompatibility by in vivo toxicity assays. This study paves a new avenue for the rapid, selective and efficient removal of toxicants from complex natural systems.
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Affiliation(s)
- Jinxia Wei
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xin Shao
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Jinbiao Guo
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, Tianjin 300071, China
| | - Yanxue Zheng
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Yuanyuan Wang
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Zhenjie Zhang
- College of Chemistry, Nankai University, Tianjin 300071, China.
| | - Yao Chen
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University, Tianjin 300071, China.
| | - Yubo Li
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
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Wang C, Liu Y, Han J, Li W, Sun J, Wang Y. Detection and Removal of Aristolochic Acid in Natural Plants, Pharmaceuticals, and Environmental and Biological Samples: A Review. Molecules 2023; 29:81. [PMID: 38202664 PMCID: PMC10779802 DOI: 10.3390/molecules29010081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 12/17/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
Aristolochic acids (AAs) are a toxic substance present in certain natural plants. Direct human exposure to these plants containing AAs leads to a severe and irreversible condition known as aristolochic acid nephropathy (AAN). Additionally, AAs accumulation in the food chain through environmental mediators can trigger Balkan endemic nephropathy (BEN), an environmental variant of AAN. This paper presents a concise overview of the oncogenic pathways associated with AAs and explores the various routes of environmental exposure to AAs. The detection and removal of AAs in natural plants, drugs, and environmental and biological samples were classified and summarized, and the advantages and disadvantages of the various methods were analyzed. It is hoped that this review can provide effective insights into the detection and removal of AAs in the future.
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Affiliation(s)
- Changhong Wang
- School of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (C.W.); (Y.L.); (J.H.)
| | - Yunchao Liu
- School of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (C.W.); (Y.L.); (J.H.)
| | - Jintai Han
- School of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (C.W.); (Y.L.); (J.H.)
| | - Wenying Li
- College of Geography and Environment, Shandong Normal University, Jinan 250000, China;
| | - Jing Sun
- School of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (C.W.); (Y.L.); (J.H.)
| | - Yinan Wang
- Key Laboratory of Fine Chemicals in Universities of Shandong, Jinan Engineering Laboratory for Multi-Scale Functional Materials, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
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Liu Y, Zhang Y, Wang J, Wang K, Gao S, Cui R, Liu F, Gao G. Preparation of COPs Mixed Matrix Membrane for Sensitive Determination of Six Sulfonamides in Human Urine. Molecules 2023; 28:7336. [PMID: 37959757 PMCID: PMC10649119 DOI: 10.3390/molecules28217336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 10/26/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023] Open
Abstract
In this study, TpDMB-COPs, a specific class of covalent organic polymers (COPs), was synthesized using Schiff-base chemistry and incorporated into a polyvinylidene fluoride (PVDF) polymer for the first time to prepare COPs mixed matrix membranes (TpDMB-COPs-MMM). A membrane solid-phase extraction (ME) method based on the TpDMB-COPs-MMM was developed to extract trace levels of six sulfonamides from human urine identified by high-performance liquid chromatography (HPLC). The key factors affecting the extraction efficiency were investigated. Under the optimum conditions, the proposed method demonstrated an excellent linear relationship in the range of 3.5-25 ng/mL (r2 ≥ 0.9991), with the low limits of detection (LOD) between 1.25 ng/mL and 2.50 ng/mL and the limit of quantification (LOQ) between 3.50 ng/mL and 7.00 ng/mL. Intra-day and inter-day accuracies were below 5.0%. The method's accuracy was assessed by recovery experiments using human urine spiked at three levels (7-14 ng/mL, 10-15 ng/mL, and 16-20 ng/mL). The recoveries ranged from 87.4 to 112.2% with relative standard deviations (RSD) ≤ 8.7%, confirming the applicability of the proposed method. The developed ME method based on TpDMB-COPs-MMM offered advantages, including simple operation, superior extraction affinity, excellent recycling performance, and easy removal and separation from the solution. The prepared TpDMB-COPs-MMM was demonstrated to be a promising adsorbent for ME in the pre-concentration of trace organic compounds from complex matrices, expanding the application of COPs and providing references for other porous materials in sample pre-treatment.
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Affiliation(s)
- Ying Liu
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
| | - Yong Zhang
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
| | - Jing Wang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China;
| | - Kexin Wang
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
| | - Shuming Gao
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
| | - Ruiqi Cui
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
| | - Fubin Liu
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
| | - Guihua Gao
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
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Cao Y, Shi H, Lan Z, He K, Chen Q, Zhang C, Feng S, Shan L. Efficient separation of aristolochic acid I from Caulis aristolochiae manshuriensis (Guan-mu-tong) with copper mediated magnetic molecularly imprinted polymer. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:4555-4562. [PMID: 37644819 DOI: 10.1039/d3ay00920c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Screening bioactive compounds from natural products is one of the most effective ways for new drug research and development. However, obtaining a single extract component on a large scale and with high purity from a complex matrix is still an arduous and challenging task. Herein, one metal mediated magnetic molecularly imprinted polymer (mMIP) was rationally designed and prepared for specifically capturing Aristolochic acid I (AAI). The preparation was done with copper(II) as binding pivot, (3-aminopropyl) triethoxysilane as functional monomer, and Fe3O4 as core, by a one-step sol-gel method. Under the optimized conditions, the apparent maximum binding amount of copper mediated mMIP (Cu-mMIP) reaches as high as 349.72 mg g-1, the highest among the reported AAI-MIPs. Moreover, the nanoparticles exhibit excellent specificity and selectivity, good reproducibility and stability, high superparamagnetism (60.32 emu g-1), and high imprinting efficiency (an imprinting factor of 7). By simulating an industrial-scale separation, 16.56 mg AAI (purity of 95.11%) is obtained after six cycles with 100 mg nanoparticles from 20 g Caulis aristolochiae manshuriensis (Guan-mu-tong). Notably, this takes only 3 hours and consumes 50 mL of methanol. The study provides a potent tool for the green, fast, and specific extraction of high-purity ingredients from natural plants in the manufacturing industry and conventional analysis in the lab.
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Affiliation(s)
- Yu Cao
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, China.
| | - Haizhu Shi
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, China.
| | - Zhuo Lan
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, China.
| | - Kunlin He
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, China.
| | - Qian Chen
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, China.
| | - Chungu Zhang
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, China.
| | - Shun Feng
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, China.
| | - Lianhai Shan
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, China.
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Li Y, Zhang J, Zhang C, Dang W, Xue L, Liu H, Cheng H, Yan X. Facile and selective separation of anthraquinones by alizarin-modified iron oxide magnetic nanoparticles. J Chromatogr A 2023; 1702:464088. [PMID: 37230053 DOI: 10.1016/j.chroma.2023.464088] [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: 03/01/2023] [Revised: 05/17/2023] [Accepted: 05/18/2023] [Indexed: 05/27/2023]
Abstract
Anthraquinones are widely distributed in higher plants and possess broad biological activities. The conventional separation procedures for isolating anthraquinones from the plant crude extracts require multiple extraction, concentration, and column chromatography steps. In this study, we synthesized three alizarin (AZ)-modified Fe3O4 nanoparticles (Fe3O4@AZ, Fe3O4@SiO2-AZ, and Fe3O4@SiO2-PEI-AZ) by thermal solubilization method. Fe3O4@SiO2-PEI-AZ showed strong magnetic responsiveness, high methanol/water dispersion, good recyclability, and high loading capacity for anthraquinones. To evaluate the feasibility of using Fe3O4@SiO2-PEI-AZ for separating various aromatic compounds, we employed molecular dynamics simulations to predict the adsorption/desorption effects of PEI-AZ for various aromatic compounds in different methanol concentrations. The results showed that the anthraquinones could be efficiently separated from the monocyclic and bicyclic aromatic compounds by adjusting the methanol/water ratio. The Fe3O4@SiO2-PEI-AZ nanoparticles were then used to separate the anthraquinones from the rhubarb extract. At 5% methanol, all the anthraquinones were adsorbed by the nanoparticles, thus allowing their separation from other components in the crude extract. Compared with the conventional separation methods, this adsorption method has the advantages of high adsorption specificity, simple operation, and solvent saving. This method sheds light on the future application of functionalized Fe3O4 magnetic nanoparticles to selectively separate desired components from complex plant and microbial crude extracts.
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Affiliation(s)
- Yuexuan Li
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Jiaxing Zhang
- Chemical Engineering Research Center, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Chengyu Zhang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Weifan Dang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Lu Xue
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Hongliang Liu
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Huiying Cheng
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xiaohui Yan
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
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Fan L, Zhang Q, Wang F, Yang H. Dummy molecularly imprinted solid-phase extraction-SERS determination of AFB1 in peanut. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 288:122130. [PMID: 36459720 DOI: 10.1016/j.saa.2022.122130] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 10/24/2022] [Accepted: 11/14/2022] [Indexed: 06/17/2023]
Abstract
As a class I carcinogen, aflatoxin B1 (AFB1) contamination in foods and feeds accounts for 75 % of the total mycotoxin contamination. In this work, a simple and reliable surface-enhanced Raman spectroscopy (SERS) method for sensitive and selective detection of AFB1 in peanut samples integrated with dummy molecularly imprinted polymers (DMIPs) is developed. N-isopropylacrylamide (NIPAM) and 7-ethoxycoumarin (7-EOC) are chosen as monomer and dummy template, respectively and their ratio was screened through molecular design in both of kinetic and static adsorption views to form the optimal DMIPs. As-prepared dummy molecularly imprinted solid-phase extraction (DMISPE) could selectively enrich AFB1 from peanut samples. Finally, a liquid-liquid interface self-assembly constructed thioctic acid-decorated AgNPs monolayer film (TA-AgNPs MF) as a SERS-active substrate is employed to determine the amount of AFB1 eluted from DMISPE. SERS assay shows high detection sensitivity for AFB1 in peanut samples with limit of detection of 0.1 μg L-1 and a linear concentration relationship range from 0.1 to 10 μg L-1.
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Affiliation(s)
- Li Fan
- The Education Ministry Key Lab of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, and Department of Chemistry, Shanghai Normal University, Shanghai 200234, PR China
| | - Qiong Zhang
- The Education Ministry Key Lab of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, and Department of Chemistry, Shanghai Normal University, Shanghai 200234, PR China
| | - Feng Wang
- The Education Ministry Key Lab of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, and Department of Chemistry, Shanghai Normal University, Shanghai 200234, PR China.
| | - Haifeng Yang
- The Education Ministry Key Lab of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, and Department of Chemistry, Shanghai Normal University, Shanghai 200234, PR China.
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Nguyen TT, Huynh TTT, Nguyen NH, Nguyen TH, Tran PH. Recent advances in the application of ionic liquid-modified silica gel in solid-phase extraction. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Preparation of C-Terminal Epitope Imprinted Particles Via Reversible Addition-Fragmentation Chain Transfer Polymerization and Zn2+ Chelating Strategy: Selective Recognition of Cytochrome c. Chromatographia 2022. [DOI: 10.1007/s10337-022-04180-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Xiong H, Fan Y, Mao X, Guo L, Yan A, Guo X, Wan Y, Wan H. Thermosensitive and magnetic molecularly imprinted polymers for selective recognition and extraction of aristolochic acid I. Food Chem 2022; 372:131250. [PMID: 34627093 DOI: 10.1016/j.foodchem.2021.131250] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 08/27/2021] [Accepted: 09/26/2021] [Indexed: 12/11/2022]
Abstract
Recently, the natural compound of aristolochic acid I (AAI) has attracted wide attentions due to its strong nephrotoxicity and carcinogenicity. However, the extraction of AAI based on conventional molecularly imprinted polymers (MIPs) are tedious with extensive eluent, causing secondary pollution and poor regeneration. Herein, thermosensitive and magnetic MIPs (TMMIPs) were synthesized by a surface imprinting method, which achieved thermosensitive capture/release of AAI, along with rapid magnetic separation, significantly shortening the elution time and reducing organic-solvent consumption. TMMIPs with dual-stimuli responses exhibited superior affinity, selectivity, kinetics, and regeneration ability towards AAI. TMMIPs were applied to analyze AAI in Houttuynia cordata via dispersive solid-phase extraction (d-SPE) coupled with high performance liquid chromatography (HPLC), yielding satisfactory recoveries (79.03-99.67%) and relative standard deviations (≤5.78%). The limit of detection of AAI was as low as 26.67 µg/L. TMMIPs demonstrate great applicability for fast, selective and eco-friendly extraction of AAI in complicated matrices.
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Affiliation(s)
- Huihuang Xiong
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Yong Fan
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Xuejin Mao
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Lan Guo
- Jiangxi Province Key Laboratory of Modern Analytical Science, Nanchang University, Nanchang 330031, China
| | - Aiping Yan
- Jiangxi Province Key Laboratory of Modern Analytical Science, Nanchang University, Nanchang 330031, China
| | - Xian Guo
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Yiqun Wan
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Modern Analytical Science, Nanchang University, Nanchang 330031, China.
| | - Hao Wan
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
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Kamaruzaman S, Nasir NM, Mohd Faudzi SM, Yahaya N, Mohamad Hanapi NS, Wan Ibrahim WN. Solid-Phase Extraction of Active Compounds from Natural Products by Molecularly Imprinted Polymers: Synthesis and Extraction Parameters. Polymers (Basel) 2021; 13:polym13213780. [PMID: 34771337 PMCID: PMC8587613 DOI: 10.3390/polym13213780] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/21/2021] [Accepted: 10/21/2021] [Indexed: 11/16/2022] Open
Abstract
Molecularly imprinted polymers (MIPs) are synthetic polymers with a predetermined selectivity for a particular analyte or group of structurally related compounds, making them ideal materials for separation processes. Hence, in sample preparation, MIPs are chosen as an excellent material to provide selectivity. Moreover, its use in solid-phase extraction, also referred to as molecular imprinted solid phase extraction (MISPE), is well regarded. In recent years, many papers have been published addressing the utilization of MIPs or MISPE as sorbents in natural product applications, such as synthesis. This review describes the synthesis and characterization of MIPs as a tool in natural product applications.
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Affiliation(s)
- Sazlinda Kamaruzaman
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia; (N.M.N.); (S.M.M.F.)
- Natural Medicines and Product Research Laboratory (NaturMeds), Institute of Bioscience (IBS), Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia
- Correspondence:
| | - Najihah Mohammad Nasir
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia; (N.M.N.); (S.M.M.F.)
| | - Siti Munirah Mohd Faudzi
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia; (N.M.N.); (S.M.M.F.)
- Natural Medicines and Product Research Laboratory (NaturMeds), Institute of Bioscience (IBS), Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia
| | - Noorfatimah Yahaya
- Integrative Medicine Cluster, Advanced Medical and Dental Institute (AMDI), Universiti Sains Malaysia, Bertam, Kepala Batas, Penang 13200, Malaysia;
| | - Nor Suhaila Mohamad Hanapi
- Faculty of Applied Sciences, Universiti Teknologi MARA, Shah Alam 40450, Selangor, Malaysia; (N.S.M.H.); (W.N.W.I.)
| | - Wan Nazihah Wan Ibrahim
- Faculty of Applied Sciences, Universiti Teknologi MARA, Shah Alam 40450, Selangor, Malaysia; (N.S.M.H.); (W.N.W.I.)
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ZHANG Y, GUO L, LI Y, HE X, CHEN L, ZHANG Y. [Preparation of molecularly imprinted polymers-functionalized silica nanoparticles for the separation and recognition of aristolochic acids]. Se Pu 2021; 39:1137-1145. [PMID: 34505436 PMCID: PMC9404064 DOI: 10.3724/sp.j.1123.2021.06024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Indexed: 11/25/2022] Open
Abstract
Aristolochic acids (AAs), which is commonly found in Aristolochia and Asarum plants, has been widely used in several traditional medicine practices due to their anti-inflammatory, anti-malarial, and anti-hyperglycemic activities. Recently, researchers have found a “decisive link” between liver cancer and aristolochic acid after analyzing a large number of liver cancer samples around the world. Therefore, a highly sensitive and selective method is required for the analysis of AAs in traditional Chinese medicines (TCM). For the determination of AAs in TCM, pretreatment is indispensable because in actual TCM samples, AAs is present in trace amounts and the complex matrix exerts interference. In the past decades, molecularly imprinted polymers (MIPs) have attracted considerable attention as an alternative for the trace analysis in complicated matrices. In this study, MIP-coated SiO2 nanoparticles (SiO2@MIP NPs) was prepared for the determination of aristolochic acid by surface molecular imprinting using aristolochic acid Ⅰ (AAI ) as the template molecule, 2-vinylpyridine (VPY) as the functional monomer, and ethyleneglycol dimethacrylate (EGDMA) as the cross-linking agent. Core-shell-structure SiO2@MIP NPs were obtained by modifying vinyl groups on the surface of SiO2 NPs, coating MIPs films onto the silica surface via selective polymerization, and final extraction of template AAI and generation of the recognition site. To find a suitable functional monomer for the best imprinting effect, the interaction between the template and the functional monomers, including acrylic acid (AA), methyl acrylic acid (MAA), 2-vinyl pyridine (VPY), acrylamide (AM), and methylacrylamide (MAM) was investigated. Electrostatic interaction between AAI and VPY resulted in the maximum decrease in absorbance of AAI at 250 nm. Therefore, VPY was chosen for the preparation of MIP. The morphological and physical properties of the MIPs were characterized by transmission electron microscopy (TEM), Fourier-transform infrared (FT-IR) spectroscopy, thermogravimetric analysis, and N2 adsorption and desorption surface analysis. TEM images showed that SiO2 NPs were monodispersed with diameter of about 200 nm. The clear core-shell structure of SiO2@MIP NPs was observed, and the thickness of MIPs coating was about 35 nm. The FT-IR spectra of SiO2 NPs, vinyl group modified SiO2 and SiO2@MIP NPs revealed that the vinyl group and organic MIP layer were successfully modified at SiO2 sequentially. The results of thermogravimetric analysis were consistent with the FT-IR data for different SiO2 NPs. The nitrogen gas adsorption-desorption experiments showed that SiO2@MIP NPs and non-imprinted polymer (SiO2@NIP NPs) have the same pore volumes, while the surface area and pore size of MIPs were slightly larger than those of NIPs. Therefore, the difference in adsorption between SiO2@MIP NPs and SiO2@NIP NPs resulted from the imprinted sites on the MIP surface, rather than the difference in their surface areas. The adsorption properties of SiO2@MIP NPs were demonstrated by kinetic, isothermal, and selective adsorption experiments. The results of these experiments displayed that SiO2@MIP NPs reached adsorption equilibrium within a short period (120 s) and possessed a much higher rebinding ability than SiO2@NIP NPs. To verify the selectivity of SiO2@MIP NPs for AAI, three structural analogues (viz. tanshinone ⅡA, 2-methoxy-5-nitrophenol, and benzoic acid) were selected. The results showed that the binding capacity of SiO2@MIP NPs was much higher than those of these analogues. SiO2@MIP NPs have high adsorption capacity (5.74 mg/g), high imprinting factor (4.9), good selectivity coefficient (2.3-6.6) towards the structural analogues. SiO2@MIP NPs was used as an adsorbent and combined with HPLC for the selective separation of AAI in TCM. The recoveries of Kebia trifoliate samples spiked with three levels of AAI (0.3, 0.5, and 1.0 μg/mL) ranged from 73% to 83%. The results suggested that the proposed SiO2@MIP NPs could be used for selective enrichment of AAI from real complex TCM samples.
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Ye J, Zhou Q, Yan Z, Li K. Preparation of multicolor luminescence Schiff-base compound based on solvent control and its application in the detection of pentachloronitrobenzene. Anal Chim Acta 2021; 1178:338794. [PMID: 34482876 DOI: 10.1016/j.aca.2021.338794] [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: 03/18/2021] [Revised: 06/07/2021] [Accepted: 06/21/2021] [Indexed: 10/21/2022]
Abstract
Fluorescent materials with tunable optical properties are critical to their potential application. So far, the tuning of double-color luminescence has been easily achieved for many organic materials, but there are very few reports on multicolor luminescence materials. In this work, a multicolor emissions Schiff-base fluorescent compound 1,1'-{4,4'-Biphenyldiylbis[nitrilo(E)methylylidene]}di(2-naphthol) (BPDN) with an aggregation induced emission (AIE) characteristic was synthesized, and its luminescent characteristic was investigated. The BPDN molecules with low concentration in solution can emit faint light, but a new AIE phenomenon will appear when the BPDN molecules are aggregated in the solvent with low solubility or high concentration. The color and efficiency of the AIE of BPDN can be tuned by changing its aggregation state: the luminescence of the aggregate gradually redshifts (blue, green, to orange) as the solvent with poor solubility in the mixture increases or increasing the concentration of the BPDN. Based on the multicolor luminescence BPDN, a molecularly imprinted ratiometric fluorescent probe test strip (MIRF test strip) had been prepared and successfully applied to visual detection of pentachloronitrobenzene (PCNB). The color of test strip could change gradually from orange to yellow to green with the increase of the concentration of PCNB. This work shows the characteristic and application of multicolor luminescence BPDN.
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Affiliation(s)
- Jianping Ye
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Qing Zhou
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Zhihong Yan
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Kang Li
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China.
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Chen H, Wu F, Xu Y, Liu Y, Song L, Chen X, He Q, Liu W, Han Q, Zhang Z, Zou Y, Liu W. Synthesis, characterization, and evaluation of selective molecularly imprinted polymers for the fast determination of synthetic cathinones. RSC Adv 2021; 11:29752-29761. [PMID: 35492065 PMCID: PMC9044941 DOI: 10.1039/d1ra01330k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 08/17/2021] [Indexed: 01/24/2023] Open
Abstract
As a kind of new psychoactive substance (NPS), synthetic cathinones have drawn great worldwide attention. In this study, molecularly imprinted polymers (MIPs), as adsorbents for the extraction and determination of 4-methyldimethcathinone (4-MDMC), were first synthesized by coprecipitation polymerization. The physicochemical analyses of MIPs were successfully performed by XRD, FTIR, FESEM and TGA techniques. Furthermore, rebinding properties of temperature and pH dependence, and selectivity and reusability tests for MIPs and non-imprinted polymers (NIPs) were performed using an ultraviolet-visible spectrometer (UV-vis). The obtained results indicate that the imprinting efficiency has strong dependence on temperature and pH, and the optimal adsorption for targets is achieved under the condition of 318 K and pH = 6.0. This means that the combination between the polymers and 4-MDMC is a strong spontaneous and endothermic process. Compared with NIPs, MIPs exhibit prominent adsorption capacity (Qe = 9.77 mg g−1, 318 K). The selectivity coefficients (k) of MIPs for 4-MDMC, methylenedioxypentedrone (βk-MBDP), 4-ethylmethcathinone (4-EMC), methoxetamine (MXE) and tetrahydrofuranylfentanyl (THF-F) were found to be 1.70, 3.49, 7.14 and 5.82, respectively. Moreover, it was found that the adsorption equilibrium was achieved within 30 min. The aim of this work is the simple synthesis of MIPs and the optimal performance of the molecular recognition of 4-MDMC. Moreover, the synthesized MIPs can be easily regenerated and repeatedly used with negligible loss of efficiency (only 9.94% loss after six times adsorption–desorption tests). Satisfying recoveries in the range of 69.3–78.9% indicate that MIPs have good applicability for analyte removal from urine samples. Ultimately, this material shows great promise for the rapid extraction and separation of synthetic cathinones, which are dissolved in the liquid for the field of criminal sciences. Molecularly imprinted polymers, as an adsorbent for extraction and selective recognition of 4-methyldimethcathinone, were firstly synthesized through coprecipitation polymerization.![]()
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Affiliation(s)
- Hong Chen
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Fangsheng Wu
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Yibing Xu
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Yuan Liu
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Lun Song
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Xiujuan Chen
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Qun He
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Wei Liu
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Qiaoying Han
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Zihua Zhang
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Yun Zou
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Wenbin Liu
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
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Shu H, Chen G, Wang L, Cui X, Luo Z, Jing W, Chang C, Zeng A, Zhang J, Fu Q. Metal-organic framework grafted with melamine for the selective recognition and miniaturized solid phase extraction of aristolochic acid Ⅰ from traditional Chinese medicine. J Chromatogr A 2021; 1647:462155. [PMID: 33957350 DOI: 10.1016/j.chroma.2021.462155] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 04/08/2021] [Accepted: 04/10/2021] [Indexed: 10/21/2022]
Abstract
Aristolochic acid Ⅰ is a nephrotoxic compound and exist in some traditional Chinese medicines at trace level. Up to now, specific enrichment of aristolochic acid Ⅰ remains important procedure and key problem in its analysis. In this study, melamine was proposed as the recognition unit and grafted on the surface of metal-organic framework to fabricate a specific material for aristolochic acid Ⅰ. This material was prepared by using a two-step strategy and the preparation process was optimized. The physical and chemical properties were investigated using scanning electron microscopy, Fourier-transfer infrared spectroscopy, X-ray diffraction and nitrogen adsorption-desorption techniques. Adsorption properties were evaluated by binding experiments. The melamine modified material exhibited a uniform morphology, high specific surface area (460.20 m2 g-1), high adsorption capacity (25.57 mg g-1), fast mass transfer rate and excellent selectivity. Further, a specific and sensitive method was established by using this material as adsorbent of mini-solid phase extraction. The limit of detection was as low as 0.02 μg mL-1. Therefore, melamine modified metal-organic framework is an ideal adsorbent for the recognition and enrichment of aristolochic acid Ⅰ.
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Affiliation(s)
- Hua Shu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, PR China
| | - Guoning Chen
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, PR China
| | - Lu Wang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, PR China
| | - Xia Cui
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, PR China
| | - Zhimin Luo
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, PR China
| | - Wanghui Jing
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, PR China
| | - Chun Chang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, PR China
| | - Aiguo Zeng
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, PR China
| | - Jia Zhang
- Shaanxi Hanjiang Pharmaceutical Group Co., Ltd. Hanzhong, Shaanxi 723000, PR China
| | - Qiang Fu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, PR China.
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Hosseinzadeh B, Nikfarjam N, Kazemi SH. Hollow molecularly imprinted microspheres made by w/o/w double Pickering emulsion polymerization stabilized by graphene oxide quantum dots targeted for determination of l-cysteine concentration. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125978] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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18
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Meydan İ, Bilici M, Turan E, Zengin A. Selective Extraction and Determination of Citrinin in Rye Samples by a Molecularly Imprinted Polymer (MIP) Using Reversible Addition Fragmentation Chain Transfer Precipitation Polymerization (RAFTPP) with High-Performance Liquid Chromatography (HPLC) Detection. ANAL LETT 2021. [DOI: 10.1080/00032719.2021.1892125] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- İsmet Meydan
- Health Services Vocational High School, Van Yuzuncu Yil University, Van, Turkey
| | - Mustafa Bilici
- Faculty of Medicine, Department of Basic Medical Sciences, Van Yuzuncu Yil University, Van, Turkey
- Faculty of Science, Department of Chemistry, Van Yuzuncu Yil University, Van, Turkey
| | - Eylem Turan
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara Medipol University, Ankara, Turkey
| | - Adem Zengin
- Faculty of Science, Department of Chemistry, Van Yuzuncu Yil University, Van, Turkey
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Solid-Phase Extraction of Aristolochic Acid I from Natural Plant Using Dual Ionic Liquid-Immobilized ZIF-67 as Sorbent. SEPARATIONS 2021. [DOI: 10.3390/separations8020022] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
(1) Background: ZIF-67 is one of the most intriguing metal–organic frameworks already applied in liquid adsorption. To increase its adsorption performance, dual ionic liquids were immobilized on ZIF-67 in this research; (2) Methods: The obtained sorbent was used to adsorb aristolochic acid I (AAI) in standard solutions. Then, the sorbent was applied in solid-phase extraction to remove AAI from Fibraurea Recisa Pierre extracted solution. (3) Results: By analyzing the adsorption models, the highest adsorption capacity of immobilized sorbent (50.9 mg/g) was obtained at 25 °C within 120 min. In the SPE process, 0.02 mg of AAI was removed per gram of herbal plant, the adequate recoveries were in the range of 96.2–100.0%, and RSDs were 3.5–4.0%; (4) Conclusions: The provided experimental data revealed that ZIF-67@EIM-MIM was an excellent potential sorbent to adsorb and remove AAI from herbal plant extract, and the successful separation indicated that this sorbent could be an ideal material for the pretreatment of herbal plants containing AAI.
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Zhang M, Liu H, Han Y, Bai L, Yan H. On-line enrichment and determination of aristolochic acid in medicinal plants using a MOF-based composite monolith as adsorbent. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1159:122343. [PMID: 32905990 DOI: 10.1016/j.jchromb.2020.122343] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 08/10/2020] [Accepted: 08/20/2020] [Indexed: 12/26/2022]
Abstract
In this study, modified UiO-66-NH2 and N-methylolacrylamide (NMA) were used as common monomers to prepare a metal organic framework (MOF)-based composite monolith through in-situ polymerization, which was used as a new adsorbent to purify and enrich aristolochic acid-I (AA-I) in medicinal plants. The MOF-based composite monolithic column was characterized by nitrogen adsorption-desorption isotherm, mercury intrusion porosimetry and scanning electron microscopy (SEM). The adsorption ability of MOF-based composite monolith for AA-I was compared with that of the polymer monolith without MOF added. The results proved that the addition of UiO-66-NH2 can increase both the specific surface area and the permeability of the monolith. Moreover, the adsorption amount of AA-I on the monolith improved. This proposed on-line solid phase extraction (SPE) method showed good linear relationship in the range 0.044 ~ 400 μg/mL with r = 0.9994; the limit of detection (LOD) was 13.08 ng/mL and the limit of quantification (LOQ) was 44.00 ng/mL; the intra-day and inter-day accuracies were less than 0.97%; the inter-column accuracies was less than 6.11%; the recovery was in the range of 91.11%~106.48%. The method was found to be easy, accurate and convenient for on-line enrichment and purification of AA-I in medicinal plants.
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Affiliation(s)
- Miaomiao Zhang
- Key Laboratory of Public Health Safety of Hebei Province, College of Pharmacy, Hebei University, Baoding, 071002, China, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
| | - Haiyan Liu
- Key Laboratory of Public Health Safety of Hebei Province, College of Pharmacy, Hebei University, Baoding, 071002, China, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Institute of Life Science and Green Development, Hebei University, Baoding 071002, China.
| | - Yamei Han
- Key Laboratory of Public Health Safety of Hebei Province, College of Pharmacy, Hebei University, Baoding, 071002, China, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
| | - Ligai Bai
- Key Laboratory of Public Health Safety of Hebei Province, College of Pharmacy, Hebei University, Baoding, 071002, China, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
| | - Hongyuan Yan
- Key Laboratory of Public Health Safety of Hebei Province, College of Pharmacy, Hebei University, Baoding, 071002, China, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Institute of Life Science and Green Development, Hebei University, Baoding 071002, China.
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A fluorescent artificial receptor with specific imprinted cavities to selectively detect colistin. Anal Bioanal Chem 2020; 412:7417-7428. [PMID: 32812120 DOI: 10.1007/s00216-020-02873-5] [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: 04/20/2020] [Revised: 06/29/2020] [Accepted: 08/10/2020] [Indexed: 10/23/2022]
Abstract
A novel and facile fluorescent artificial receptor on the basis of the molecularly imprinted polymer-coated graphene quantum dots was engineered successfully to detect colistin. The colistin imprinted graphene quantum dots (CMIP-GQDs) was synthesized by vinyl-based radical polymerization between functional monomers and crosslinker at around the template molecule on the surface of graphene quantum dots. The size of bare, CNIP-GQDs, and CMIP-GQDs was about 4.8 ± 0.6 nm, 18.4 ± 1.7 nm, and 19.7 ± 1.3 nm, respectively. The CMIP-GQDs, which showed the strong fluorescence emission at 440 nm with the excitation wavelength fixed at 380 nm, had excellent selectivity and specificity to rapidly recognize and detect colistin. The linear range of fluorescence quenching of this fluorescent artificial receptor for detection colistin was 0.016-2.0 μg mL-1 with a correlation coefficient (R2) of 0.99919, and the detection limit was 7.3 ng mL-1 in human serum samples. The designed receptor was successfully applied to detect colistin in human serum samples and it achieved excellent recoveries shifted from 93.8 to 105%. Graphical abstract.
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Qian J, Kai G. Application of micro/nanomaterials in adsorption and sensing of active ingredients in traditional Chinese medicine. J Pharm Biomed Anal 2020; 190:113548. [PMID: 32861928 DOI: 10.1016/j.jpba.2020.113548] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/01/2020] [Accepted: 08/06/2020] [Indexed: 12/17/2022]
Abstract
Traditional Chinese medicine (TCM) has been widely applied for the prevention and cure of various diseases for centuries. Ingredient with pharmacological activity is the key to the application of TCM. Hence, it is of significance to separate and detect active ingredients in TCM effectively. Micro/nanomaterial is the promising candidate for adsorption and sensing due to its unique physical and chemical properties. For years, many efforts have been made to develop functional micro/nanomaterials to realize the effective adsorption or sensing of bioactive compounds in TCM. In this review, we discussed recent progresses in the application of various functional micro/nanomaterials for adsorption or detection (electrochemical detection, fluorescent detection, and colorimetric detection) of active ingredients. Based on the kind of matrix materials, micro/nano-adsorbents or sensors can be classified into following categories: metal-based micro/nanomaterials, porous materials, carbon-based materials, graphene/graphite-liked micro/nanomaterials and hybrid micro/nanomaterials.
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Affiliation(s)
- Jun Qian
- College of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou 311402, PR China
| | - Guoyin Kai
- College of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou 311402, PR China.
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Ye J, Cai X, Zhou Q, Yan Z, Li K. Molecularly imprinted ratiometric fluorescent probe for visual and fluorescent determination of aristolochic acid I based on a Schiff-base fluorescent compound. Mikrochim Acta 2020; 187:623. [PMID: 33090285 DOI: 10.1007/s00604-020-04598-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 10/07/2020] [Indexed: 10/23/2022]
Abstract
A molecularly imprinted ratiometric fluorescent probe (MIRF probe) was synthesized for the determination of aristolochic acid I (AAI) based on the Schiff-base fluorescent compound N,N'-bis(o-carboxybenzylidene)-p-4,4'-diaminobiphenyl (BDDB). The BDDB was immobilized in the silica nanoparticle (BDDB@SiO2) as an internal standard material. The blue-emitting BDDB@SiO2 and the yellow-emitting carbon quantum dots (y-CDs) were wrapped in the molecularly imprinted polymer (MIP) to provide a reliable reference signal at 440 nm and a fluorescent response signal at 530 nm at the excitation wavelength of 365 nm, respectively. In the preparation of the MIP of the MIRF probe, 4-vinylbenzoic acid as the functional monomer and AAI as the template molecule were used. An imprinting factor of 2.25 was obtained. Under the optimum conditions, the fluorescent response signal at 530 nm was quenched gradually by AAI in the range 1.0 to 120.0 μmol/L, while the reference signal at 440 nm remained unchanged. The limit of detection was 0.45 μmol/L, and the fluorescent color of the MIRF probe changed gradually from yellow to green to blue, which illustrated that the developed probe had a specific AAI recognition ability, a good anti-interference ability, and a sensitively visual determination ability. The probe was successfully applied to the AAI determination in traditional Chinese medicine (TCM) Asarum. The results showed that it had satisfactory recoveries (95.5-107.3%) and low relative standard deviations (2.0%). Furthermore, this method has a potential for the onsite naked eye determination of AAI in TCM samples.Graphical abstract.
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Affiliation(s)
- Jianping Ye
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Xin Cai
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Qing Zhou
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Zhihong Yan
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Kang Li
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
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Zhang M, Liu H, Han Y, Bai L, Yan H. A review on the pharmacological properties, toxicological characteristics, pathogenic mechanism and analytical methods of aristolochic acids. TOXIN REV 2020. [DOI: 10.1080/15569543.2020.1811344] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Miaomiao Zhang
- Key Laboratory of Public Health Safety of Hebei Province, College of pharmacy, Hebei University, Baoding, China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Institute of Life Science and Green Development, Hebei University, Baoding, China
| | - Haiyan Liu
- Key Laboratory of Public Health Safety of Hebei Province, College of pharmacy, Hebei University, Baoding, China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Institute of Life Science and Green Development, Hebei University, Baoding, China
| | - Yamei Han
- Key Laboratory of Public Health Safety of Hebei Province, College of pharmacy, Hebei University, Baoding, China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Institute of Life Science and Green Development, Hebei University, Baoding, China
| | - Ligai Bai
- Key Laboratory of Public Health Safety of Hebei Province, College of pharmacy, Hebei University, Baoding, China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Institute of Life Science and Green Development, Hebei University, Baoding, China
| | - Hongyuan Yan
- Key Laboratory of Public Health Safety of Hebei Province, College of pharmacy, Hebei University, Baoding, China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Institute of Life Science and Green Development, Hebei University, Baoding, China
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Molecularly Imprinted Polymers Doped with Carbon Nanotube with Aid of Metal-Organic Gel for Drug Delivery Systems. Pharm Res 2020; 37:193. [PMID: 32914377 DOI: 10.1007/s11095-020-02902-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 08/05/2020] [Indexed: 10/23/2022]
Abstract
PURPOSE The incidence of breast cancer worldwide has been on the rise since the late 1970s, and it has become a common tumor that threatens women's health. Aminoglutethimide (AG) is a common treatment of breast cancer. However, current treatments require frequent dosing that results in unstable plasma concentration and low bioavailability, risking serious adverse reactions. Our goal was to develop a molecularly imprinted polymer (MIP) based delivery system to control the release of AG and demonstrate the availability of this drug delivery system (DDS), which was doped with carbon nanotube with aid of metal-organic gel. METHODS Preparation of MIP was optimized by key factors including composition of formula, ratio of monomers and drug loading concentration. RESULTS By using multi-walled carbon nanotubes (MWCNT) and metal-organic gels (MOGs), MIP doubled the specific surface area, pore volume tripled and the IF was 1.6 times than the reference. Compared with commercial tablets, the relative bioavailability was 143.3% and a more stable release appeared. CONCLUSIONS The results highlight the influence of MWCNT and MOGs on MIP, which has great potential as a DDS.
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Orowitz TE, Ana Sombo PPAA, Rahayu D, Hasanah AN. Microsphere Polymers in Molecular Imprinting: Current and Future Perspectives. Molecules 2020; 25:molecules25143256. [PMID: 32708849 PMCID: PMC7397203 DOI: 10.3390/molecules25143256] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 07/12/2020] [Accepted: 07/14/2020] [Indexed: 11/16/2022] Open
Abstract
Molecularly imprinted polymers (MIPs) are specific crosslinked polymers that exhibit binding sites for template molecules. MIPs have been developed in various application areas of biology and chemistry; however, MIPs have some problems, including an irregular material shape. In recent years, studies have been conducted to overcome this drawback, with the synthesis of uniform microsphere MIPs or molecularly imprinted microspheres (MIMs). The polymer microsphere is limited to a minimum size of 5 nm and a molecular weight of 10,000 Da. This review describes the methods used to produce MIMs, such as precipitation polymerisation, controlled/'Living' radical precipitation polymerisation (CRPP), Pickering emulsion polymerisation and suspension polymerisation. In addition, some green chemistry aspects and future perspectives will also be given.
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Ji F, Jin R, Luo C, Deng C, Hu Y, Wang L, Wang R, Zhang J, Song G. Fast determination of aristolochic acid I (AAI) in traditional Chinese medicine soup with magnetic solid-phase extraction by high performance liquid chromatography. J Chromatogr A 2020; 1609:460455. [DOI: 10.1016/j.chroma.2019.460455] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 07/31/2019] [Accepted: 08/13/2019] [Indexed: 11/30/2022]
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Wang L, Zhang C, Chen Y, Deng Q, Wang S. Dummy molecularly imprinted silica materials for effective removal of aristolochic acid I from kaempfer dutchmanspipe root extract. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104463] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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29
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Yu JY, Jiao SQ, Nawaz T, Wang SQ, Wei TX. Surface plasmone resonance sensor for biomimetic detection of progesterone with macroporous molecularly imprinted polymers prepared by visible light. ACTA ACUST UNITED AC 2019. [DOI: 10.1088/1757-899x/688/3/033032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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30
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Yan Y, Huang C, Shen X. Electromembrane extraction of aristolochic acids: New insights in separation of bioactive ingredients of traditional Chinese medicines. J Chromatogr A 2019; 1608:460424. [DOI: 10.1016/j.chroma.2019.460424] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 07/16/2019] [Accepted: 08/03/2019] [Indexed: 11/28/2022]
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31
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Li F, Gao J, Li X, Li Y, He X, Chen L, Zhang Y. Preparation of magnetic molecularly imprinted polymers functionalized carbon nanotubes for highly selective removal of aristolochic acid. J Chromatogr A 2019; 1602:168-177. [DOI: 10.1016/j.chroma.2019.06.043] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 06/21/2019] [Accepted: 06/22/2019] [Indexed: 01/08/2023]
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32
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Deng Q, Sun L, Zhu T. Preparation of porous aromatic framework modified graphene oxide for pipette-tip solid-phase extraction of theophylline in tea. Electrophoresis 2019; 40:2954-2961. [PMID: 31373704 DOI: 10.1002/elps.201900053] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 07/22/2019] [Accepted: 07/29/2019] [Indexed: 11/11/2022]
Abstract
A new material called as porous aromatic frameworks modified graphene oxide (PAFs-GO) was synthesized, and it was used as an adsorbent in pipette-tip SPE for the effective purification and enrichment of theophylline in tea sample by HPLC. The properties of PAFs-GO were characterized by field emission SEM, FTIR, thermogravimetry analysis and Brunauer Emmett Teller N2 adsorption-desorption analysis. The results of static adsorption and dynamic adsorption test showed PAFs-GO had higher adsorption ability (93.25 mg/g) than graphene oxide. The LOD and LOQ of the method were 0.0141 and 0.0471 µg/mL, respectively. The acceptable method reproducibility was found as intra- and inter-day precisions, yielding the RSDs <4.62%. By introducing PAFs as support skeleton, the specific surface area of GO was effectively increased, and the penetrability was improved. Studies showed that the proposed method had been successfully applied for purification and enrichment of theophylline in complex tea matrix.
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Affiliation(s)
- Qilin Deng
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, P. R. China
| | - Liping Sun
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, P. R. China
| | - Tao Zhu
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, P. R. China
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Fang L, Tian M, Row KH, Yan X, Xiao W. Isolation of aristolochic acid I from herbal plant using molecular imprinted polymer composited ionic liquid‐based zeolitic imidazolate framework‐67. J Sep Sci 2019; 42:3047-3053. [DOI: 10.1002/jssc.201900554] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/07/2019] [Accepted: 07/10/2019] [Indexed: 02/03/2023]
Affiliation(s)
- Luwei Fang
- College of Chemistry and Environmental EngineeringYangtze University Jingzhou Hubei P. R. China
| | - Minglei Tian
- College of Chemistry and Environmental EngineeringYangtze University Jingzhou Hubei P. R. China
| | - Kyung Ho Row
- Department of Chemistry and Chemical EngineeringInha University Incheon Korea
| | - Xuemin Yan
- College of Chemistry and Environmental EngineeringYangtze University Jingzhou Hubei P. R. China
| | - Wei Xiao
- College of Chemistry and Environmental EngineeringYangtze University Jingzhou Hubei P. R. China
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Jafari S, Dehghani M, Nasirizadeh N, Baghersad MH. Synthesis and characterisation of a selective adsorbent based on the molecularly imprinted polymer for the removal of cloxacillin antibiotic residue from milk. INT J DAIRY TECHNOL 2019. [DOI: 10.1111/1471-0307.12620] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Saeid Jafari
- Applied Biotechnology Research Center Baqiyatallah University of Medical Sciences Molasadra St. Tehran 1435916471Iran
| | - Mohammad Dehghani
- Young Researcher and Elite Club Yazd Branch, Islamic Azad University Shohada Gomnam St. Yazd 8916871967Safaeeh Iran
| | - Navid Nasirizadeh
- Department of Textile and Polymer Engineering Yazd Branch, Islamic Azad University Shohada Gomnam St. Yazd 8916871967Safaeeh Iran
| | - Mohammad Hadi Baghersad
- Applied Biotechnology Research Center Baqiyatallah University of Medical Sciences Molasadra St. Tehran 1435916471Iran
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Su L, Li J, Han S. Controllable Preparation and Application of Quercetin Molecularly Imprinted Polymer. RUSS J APPL CHEM+ 2019. [DOI: 10.1134/s1070427219070140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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36
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Dual ionic liquid-immobilized silicas for multi-phase extraction of aristolochic acid from plants and herbal medicines. J Chromatogr A 2019; 1592:31-37. [DOI: 10.1016/j.chroma.2019.01.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 01/01/2019] [Accepted: 01/04/2019] [Indexed: 01/04/2023]
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37
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Wang R, Cui Y, Hu F, Liu W, Du Q, Zhang Y, Zha J, Huang T, Fizir M, He H. Selective recognition and enrichment of carbamazepine in biological samples by magnetic imprinted polymer based on reversible addition-fragmentation chain transfer polymerization. J Chromatogr A 2019; 1591:62-70. [PMID: 30712819 DOI: 10.1016/j.chroma.2019.01.057] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 01/14/2019] [Accepted: 01/18/2019] [Indexed: 01/01/2023]
Abstract
A well-defined molecularly imprinted polymer (Fe3O4@CS@MIP) was synthesized via reversible addition-fragmentation chain transfer polymerization for magnetic solid-phase extraction coupled with high-performance liquid chromatography-diode array detector to detect carbamazepine (CBZ) in biological samples. The composition of Fe3O4@CS@MIP was selected by a two-step screening method. 4-vinyl pyridine, divinylbenzene and dimethylformamide were chosen as the functional monomer, cross-linker and porogen, respectively. The imprinted layer was coated on the surface of the chain transfer agent-modified magnetic chitosan nanoparticles. The prepared Fe3O4@CS@MIP was characterized by scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, Brunauer-Emmett-Teller measurement and vibrating sample magnetometer. The results indicated that Fe3O4@CS@MIP had a large surface area (265.8 m2/g), high saturation magnetization (19.88 emu/g) and uniform structure. Besides, the binding property of the Fe3O4@CS@MIP was studied in detail. The Fe3O4@CS@MIP showed high imprinting factor (IF = 4.83) and desirable adsorption capacity (323.10 μmol/g) to CBZ. Under the optimum conditions, the developed method exhibited excellent linearity (R2>0.999) in the range of 0.01-0.5 mg/L and 1.0-30.0 mg/L, and the limits of detection were 1.0 μg/L and 9.6 μg/L for the urine and serum samples, respectively. Good recoveries (88.22%-101.18%) were obtained with relative standard deviations less than 4.83%. This work provided a practical approach for the selective extraction and detection of CBZ in real samples.
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Affiliation(s)
- Ruya Wang
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 211198, China
| | - Yanru Cui
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 211198, China
| | - Fan Hu
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 211198, China
| | - Wei Liu
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 211198, China
| | - Qiuzheng Du
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 211198, China
| | - Yan Zhang
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 211198, China
| | - Jun Zha
- Vocational and Technical College of Guizhou Minzu University, Guiyang, Guizhou, 550025, China
| | - Tao Huang
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 211198, China
| | - Meriem Fizir
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 211198, China.
| | - Hua He
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing, 211198, China; Vocational and Technical College of Guizhou Minzu University, Guiyang, Guizhou, 550025, China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 211198, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing, 211198, China.
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38
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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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39
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Golf H, O'Shea R, Braybrook C, Hutt O, Lupton DW, Hooper JF. RAFT polymer cross-coupling with boronic acids. Chem Sci 2018; 9:7370-7375. [PMID: 30542540 PMCID: PMC6237125 DOI: 10.1039/c8sc01862f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 07/17/2018] [Indexed: 11/21/2022] Open
Abstract
The ability to modify the thiocarbonylthio end-groups of RAFT polymers is important for applications where an inert or highly functionalised material is required. Here we report a copper promoted cross-coupling reaction between RAFT polymer end-groups and aryl boronic acids. This method gives high conversion to the modified polymers, and is compatible with a wide variety of functional molecules.
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Affiliation(s)
- Hartwig Golf
- School of Chemistry , Monash University , Clayton , Melbourne , VIC 3800 , Australia . ;
| | - Riley O'Shea
- School of Chemistry , Monash University , Clayton , Melbourne , VIC 3800 , Australia . ;
| | | | - Oliver Hutt
- CSIRO , Research Way , Melbourne , VIC 3168 , Australia
| | - David W Lupton
- School of Chemistry , Monash University , Clayton , Melbourne , VIC 3800 , Australia . ;
| | - Joel F Hooper
- School of Chemistry , Monash University , Clayton , Melbourne , VIC 3800 , Australia . ;
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Madadian-Bozorg N, Zahedi P, Shamsi M, Safarian S. Poly (methacrylic acid)-based molecularly imprinted polymer nanoparticles containing 5-fluourouracil used in colon cancer therapy potentially. POLYM ADVAN TECHNOL 2018. [DOI: 10.1002/pat.4353] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Neda Madadian-Bozorg
- Department of Life Science Engineering, Faculty of New Science and Technology; University of Tehran; Tehran Iran
| | - Payam Zahedi
- Nano-Biopolymers Research Laboratory, School of Chemical Engineering, College of Engineering; University of Tehran; PO Box: 11155-4563 Tehran Iran
| | - Mohammad Shamsi
- Nano-Biopolymers Research Laboratory, School of Chemical Engineering, College of Engineering; University of Tehran; PO Box: 11155-4563 Tehran Iran
| | - Shahrokh Safarian
- Department of Cell and Molecular Biology, School of Biology, College of Science; University of Tehran; 1417614411 Tehran Iran
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41
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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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42
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Rapid, low temperature synthesis of molecularly imprinted covalent organic frameworks for the highly selective extraction of cyano pyrethroids from plant samples. Anal Chim Acta 2018; 1001:179-188. [DOI: 10.1016/j.aca.2017.12.001] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 12/12/2017] [Accepted: 12/12/2017] [Indexed: 01/13/2023]
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43
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Zhu Q, Li X, Xiao Y, Xiong Y, Wang S, Xu C, Zhang J, Wu X. Synthesis of Molecularly Imprinted Polymer via Visible Light Activated RAFT Polymerization in Aqueous Media at Room Temperature for Highly Selective Electrochemical Assay of Glucose. MACROMOL CHEM PHYS 2017. [DOI: 10.1002/macp.201700141] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Qiankun Zhu
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Xiaoming Li
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Yonghua Xiao
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Yan Xiong
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Suiping Wang
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Changli Xu
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Jun Zhang
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
| | - Xuewen Wu
- School of Chemical Engineering; Xiangtan University; Xiangtan 411105 China
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Ge Y, Guo P, Xu X, Chen G, Zhang X, Shu H, Zhang B, Luo Z, Chang C, Fu Q. Selective analysis of aristolochic acid I in herbal medicines by dummy molecularly imprinted solid-phase extraction and HPLC. J Sep Sci 2017; 40:2791-2799. [DOI: 10.1002/jssc.201700116] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 05/05/2017] [Accepted: 05/07/2017] [Indexed: 02/02/2023]
Affiliation(s)
- Yanhui Ge
- Faculty of Pharmacy; School of Medicine; Xi'an Jiaotong University; Xi'an Shaanxi P.R. China
| | - Pengqi Guo
- Faculty of Pharmacy; School of Medicine; Xi'an Jiaotong University; Xi'an Shaanxi P.R. China
| | - Xinya Xu
- Faculty of Pharmacy; School of Medicine; Xi'an Jiaotong University; Xi'an Shaanxi P.R. China
| | - Guoning Chen
- Faculty of Pharmacy; School of Medicine; Xi'an Jiaotong University; Xi'an Shaanxi P.R. China
| | - Xuemei Zhang
- Faculty of Pharmacy; School of Medicine; Xi'an Jiaotong University; Xi'an Shaanxi P.R. China
| | - Hua Shu
- Faculty of Pharmacy; School of Medicine; Xi'an Jiaotong University; Xi'an Shaanxi P.R. China
| | - Bilin Zhang
- Faculty of Pharmacy; School of Medicine; Xi'an Jiaotong University; Xi'an Shaanxi P.R. China
| | - Zhimin Luo
- Faculty of Pharmacy; School of Medicine; Xi'an Jiaotong University; Xi'an Shaanxi P.R. China
| | - Chun Chang
- Faculty of Pharmacy; School of Medicine; Xi'an Jiaotong University; Xi'an Shaanxi P.R. China
| | - Qiang Fu
- Faculty of Pharmacy; School of Medicine; Xi'an Jiaotong University; Xi'an Shaanxi P.R. China
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Molecularly imprinted polymers as selective adsorbents for ambient plasma mass spectrometry. Anal Bioanal Chem 2017; 409:3393-3405. [PMID: 28321502 PMCID: PMC5395590 DOI: 10.1007/s00216-017-0281-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 02/13/2017] [Accepted: 02/24/2017] [Indexed: 01/24/2023]
Abstract
The application of molecularly imprinted polymers (MIPs) as molecular scavengers for ambient plasma ionization mass spectrometry has been reported for the first time. MIPs were synthesized using methacrylic acid as functional monomer; nicotine, propyphenazone, or methylparaben as templates; ethylene glycol dimethacrylate as a cross-linker; and 2,2′-azobisisobutyronitrile as polymerization initiator. To perform ambient plasma ionization experiments, a setup consisting of the heated crucible, a flowing atmospheric-pressure afterglow (FAPA) plasma ion source, and a quadrupole ion trap mass spectrometer has been used. The heated crucible with programmable temperature allows for desorption of the analytes from MIPs structure which results in their direct introduction into the ion stream. Limits of detection, linearity of the proposed analytical procedure, and selectivities have been determined for three analytes: nicotine, propyphenazone, and methylparaben. The analytes used were chosen from various classes of organic compounds to show the feasibility of the analytical procedure. The limits of detections (LODs) were 10 nM, 10, and 0.5 μM for nicotine, propyphenazone, and methylparaben, respectively. In comparison with the measurements performed for the non-imprinted polymers, the values of LODs were improved for at least one order of magnitude due to preconcentration of the sample and reduction of background noise, contributing to signal suppression. The described procedure has shown linearity in a broad range of concentrations. The overall time of single analysis is short and requires ca. 5 min. The developed technique was applied for the determination of nicotine, propyphenazone, and methylparaben in spiked real-life samples, with recovery of 94.6–98.4%. The proposed method is rapid, sensitive, and accurate which provides a new option for the detection of small organic compounds in various samples. The experimental setup used for analysis ![]()
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