1
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Stimulus response of HNT-CDs-Eu nano-sensor: Toward visual point-of-care monitoring of a bacterial spore biomarker with hypersensitive multi-color agarose gel based analytical device. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128356] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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2
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Fizir M, Dahiru NS, Cui Y, Zhi H, Dramou P, He H. Simple and Efficient Detection Approach of Quercetin from Biological Matrix by Novel Surface Imprinted Polymer Based Magnetic Halloysite Nanotubes Prepared by a Sol-Gel Method. J Chromatogr Sci 2021; 59:681-695. [PMID: 33395480 DOI: 10.1093/chromsci/bmaa120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Indexed: 12/25/2022]
Abstract
Molecular imprinted polymers coated magnetic halloysite nanotubes (MHNTs-MIPs) were prepared through sol-gel method by using quercetin (Que), APTES and TEOS as template, monomer and cross-linker agent, respectively. The synthesized MHNTs-MIPs were characterized by fourier transform infrared, scanning electron microscope, transmission electron microscope, XRD and vibrating sample magnetometer. Various parameters influencing the binding capacity of the MHNTs-MIPs were investigated with the help of response surface methodology. Selectivity experiments showed that the MHNTs-MIPs exhibited the maximum selective rebinding to Que. Therefore, the MHNTs-MIPs was applied as a solid-phase extraction adsorbent for the extraction and preconcentration of quercetin and luteolin in serum and urine samples. The limits of detection for quercetin and luteolin range from 0.51 to 1.32 ng mL-1 in serum and from 0.23 to 1.05 ng mL-1 in urine, the recoveries are between 95.20 and 103.73% with the RSD less than 5.77%. While the recovery hardly decreased after several cycles. The designed MHNTs-MIP with high affinity, sensitivity and maximum selectivity toward Que in SPE might recommend a novel method for the extraction of flavonoids in other samples like natural products.
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Affiliation(s)
- Meriem Fizir
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, 24 Tongjia Alley, Nanjing 210009, China.,Laboratoire de Valorisation des Substances Naturelles, Université Djilali Bounaâma, Khemis-Miliana, Algeria
| | - Nasiru Sintali Dahiru
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, 24 Tongjia Alley, Nanjing 210009, China
| | - Yanru Cui
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, 24 Tongjia Alley, Nanjing 210009, China
| | - Hao Zhi
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, 24 Tongjia Alley, Nanjing 210009, China
| | - Pierre Dramou
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, 24 Tongjia Alley, Nanjing 210009, China
| | - Hua He
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, 24 Tongjia Alley, Nanjing 210009, China.,Key Laboratory of Drug Quality Control and Pharmacovigilance, Pharmaceutical University, Ministry of Education, 639 Longmian Avenue, Nanjing, 211198, Jiangsu Province, China
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3
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Zhang H, Lai H, Li G, Hu Y. 4-Aminothiophenol capped halloysite nanotubes/silver nanoparticles as surface-enhanced Raman scattering probe for in-situ derivatization and selective determination of nitrite ions in meat product. Talanta 2020; 220:121366. [DOI: 10.1016/j.talanta.2020.121366] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 06/14/2020] [Accepted: 06/15/2020] [Indexed: 01/03/2023]
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4
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Determination of bongkrekic acid and isobongkrekic acid in rice noodles by HPLC-Orbitrap HRMS technology using magnetic halloysite nanotubes. Food Chem 2020; 344:128682. [PMID: 33246684 DOI: 10.1016/j.foodchem.2020.128682] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 11/13/2020] [Accepted: 11/16/2020] [Indexed: 01/06/2023]
Abstract
The existing extraction and detection methods of bongkrekic acid (BKA) and isobongkrekic acid (IBKA) are complex, time-consuming and solvent-consuming. In this work, a simple and fast pre-concentration procedure based on Fe3O4/HNTs was developed for the determination of BKA and IBKA in rice noodles using HPLC-Orbitrap HRMS. The structure and morphology of Fe3O4/HNTs was characterized by means of XRD, SEM, FT-IR and VSM. Parameters affecting the extraction efficiency including adsorbent amount, pH, extraction time, type and volume of eluent were investigated by employing the response surface method. Results indicated that the proposed method had favorable linearity in the concentration range of 2-200 μg/L with a correlation coefficient >0.998. Method LOD and LOQ were 0.3 μg/kg and 1.0 μg/kg, respectively. Finally, the method was successfully applied to determine BKA and IBKA in rice noodle samples from southern China with recoveries ranging from 79.8% to 102.6% and relative standard deviation (RSD) of 4.2%-7.1%.
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Foroughirad S, Haddadi‐Asl V, Khosravi A, Salami‐Kalajahi M. Magnetic halloysite‐
based molecularly
imprinted polymer for specific recognition of sunset yellow in dyes mixture. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.5132] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Sahar Foroughirad
- Department of Polymer Engineering and Color Technology Amirkabir University of Technology Tehran Iran
| | - Vahid Haddadi‐Asl
- Department of Polymer Engineering and Color Technology Amirkabir University of Technology Tehran Iran
| | - Alireza Khosravi
- Department of Polymer Engineering and Color Technology Amirkabir University of Technology Tehran Iran
| | - Mehdi Salami‐Kalajahi
- Faculty of Polymer Engineering Sahand University of Technology Tabriz Iran
- Institute of Polymeric Materials Sahand University of Technology Tabriz Iran
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6
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Etching of halloysite nanotubes hollow imprinted materials as adsorbent for extracting of Zearalenone from grain samples. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104953] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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7
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Zhang H, Lai H, Wu X, Li G, Hu Y. CoFe 2O 4@HNTs/AuNPs Substrate for Rapid Magnetic Solid-Phase Extraction and Efficient SERS Detection of Complex Samples All-in-One. Anal Chem 2020; 92:4607-4613. [PMID: 32069032 DOI: 10.1021/acs.analchem.0c00144] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Fast and accurate practical sample detection is a great challenge in on-site detection. Herein, we developed a CoFe2O4@HNTs/AuNPs substrate for rapid and efficient magnetic solid-phase extraction (MSPE) surface-enhanced Raman scattering (SERS) detection of aromatic amines and nitrofuran in real samples all-in-one. Magnetic CoFe2O4 beads filled inside halloysite nanotubes (HNTs) can avoid aggregation of particles, endow the substrate with the rapid magnetic separation ability to simplify the pretreatment procedure, and reduce complex matrix interference. Meanwhile, outer surface AuNPs can generate electromagnetic enhancement and hot spots to amplify Raman signals of target molecules enriched/concentrated by HNTs. The CoFe2O4@HNTs/AuNPs substrate exhibited excellent SERS activity (high sensitivity, good reproducibility, and repeatability), pH stability (3.0-11.0), and good MSPE ability (fast magnetic enrichment/separation ability within 5 min). The CoFe2O4@HNTs/AuNPs MSPE SERS substrate can be applied for the determination of 4,4'-thioaniline and nitrofurantoin with a linear range of 0.054-21.7 mg/L and 0.05-1.0 mg/L, and the limits of detection were down to 0.026 mg/L and 0.014 mg/L, respectively. Furthermore, the enhancement factor (EF) of the substrate to 4,4'-thioaniline is up to 2.7 × 107. Besides, the substrate can realize practical SERS determination of trace 4,4-thioaniline in cosmetics and nitrofurantoin in fish feed and aquatic samples. The recoveries were varied from 71.6% to 103.6% for 4,4-thioaniline in hair dyes and 81.9% to 116.3% for nitrofurantoin in fish feed and aquatic samples, respectively. Such a robust and efficient MSPE SERS substrate possesses great potential in rapid detection (within 15 min) for a practical sample, and it also provides a methodology for the preparation of other HNTs-based composites.
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Affiliation(s)
- Huadong Zhang
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Huasheng Lai
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Xiangrong Wu
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Gongke Li
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
| | - Yufei Hu
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
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8
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Selective recognition and enrichment of sterigmatocystin in wheat by thermo-responsive imprinted polymer based on magnetic halloysite nanotubes. J Chromatogr A 2020; 1619:460952. [PMID: 32057446 DOI: 10.1016/j.chroma.2020.460952] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 01/24/2020] [Accepted: 02/06/2020] [Indexed: 12/17/2022]
Abstract
Two thermo-responsive molecularly imprinted polymers (MHNTs@MIP and MCNTs@MIP) for the selective extraction of sterigmatocystin have been prepared on the surface of the magnetic halloysite nanotubes (MHNTs) and magnetic carbon nanotubes (MCNTs), respectively. 1, 8-dihydroxyanthraquinone, n-isopropyl acrylamide, methacrylic acid, ethylene dimethacrylate and dimethyl sulfoxide were used as the dummy template, thermo-sensitive functional monomer, co-monomer, cross-linker and porogen, respectively. The magnetic properties, adsorption properties as well as the temperature responsive behaviors of MHNTs@MIP and MCNTs@MIP were systematically studied and compared for the first time. Enough saturation magnetizations of MHNTs@MIP (9.42 emu/g) and MCNTs@MIP (10.54 emu/g) were obtained. MHNTs@MIP and MCNTs@MIP also showed controllable adsorption and release behaviors to sterigmatocystin in response to the temperature change (35 °C and 20 °C). Compared with MCNTs@MIP, MHNTs@MIP had higher adsorption affinity (KL = 0.120 L/mg), higher adsorption kinetic (K2 = 0.0100 g/(mg•min)) and higher imprinting factor (5.22) to sterigmatocystin. These results indicated that MHNTs@MIP was favorable adsorbent for the selective separation of sterigmatocystin. Furthermore, the elution conditions of MHNTs@MIP were optimized by response surface methodology. Under the optimal conditions, MHNTs@MIP coupled with high performance liquid chromatography were successfully applied to the selective recognition, purification, enrichment and detection of sterigmatocystin in wheat samples. The recoveries were calculated from 88.62% to 102.9% with RSDs less than 3.5 % and limit of detection of 1.1 μg/kg. This work provided a suitable carrier for the preparation of imprinted polymers and a practical approach for highly selective recognition and determination of analytes in real samples.
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9
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Bilici M, Badak MU, Zengin A, Suludere Z, Aktas N. Synthesis of magnetic halloysite nanotube-based molecularly imprinted polymers for sensitive spectrophotometric detection of metoclopramide in urine samples. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 106:110223. [DOI: 10.1016/j.msec.2019.110223] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 09/02/2019] [Accepted: 09/17/2019] [Indexed: 01/31/2023]
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10
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Ma Y, Dai J, Wang L, Yan Y, Gao M. Fabrication of porous molecularly imprinted polymer using halloysite nanotube as template for selective recognition and separation of chloramphenicol. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2019. [DOI: 10.1007/s13738-019-01792-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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11
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Synthesis of molecularly imprinted fluorescent probe based on biomass-derived carbon quantum dots for detection of mesotrione. Anal Bioanal Chem 2019; 411:5519-5530. [PMID: 31147761 DOI: 10.1007/s00216-019-01930-y] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Accepted: 05/16/2019] [Indexed: 10/26/2022]
Abstract
A novel fluorescent probe based on molecularly imprinted polymers (MIPs) coupled with carbon quantum dots (CQDs) was fabricated and successfully used for selective recognition of mesotrione. In this probe, the biomass-derived CQDs were prepared through a hydrothermal method using mango peels as carbon source, and the whole synthesis procedure was green without chemical reagents. The CQDs were encapsulated into MIPs by using sol-gel technology. After removal of the template molecule mesotrione, specific binding sites are formed and there is electrostatic attraction between the probe and the template molecule. The synthetic CQDs@MIPs were able to selectively capture the target mesotrione with fluorescence quenching via the specific interaction between mesotrione and the recognition cavities. The probe was used for determination of mesotrione in corn to verify the practicality of the proposed method. The detection limit of mesotrione was 4.7 nmol L-1, and the linear range was 15 nmol L-1 to 3000 nmol L-1. Meanwhile, the recoveries of this method for mesotrione were 91.4-96.2%, and the relative standard deviations (RSDs) were 3.2-6.1%. This work provides a novel research method to synthesize CQDs@MIPs with high selectivity (imprinting factor = 5.6), and which can be used for convenient, rapid recognition and sensitive detection of trace compounds from complex matrices.
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12
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Dramou P, Fizir M, Taleb A, Itatahine A, Dahiru NS, Mehdi YA, Wei L, Zhang J, He H. Folic acid-conjugated chitosan oligosaccharide-magnetic halloysite nanotubes as a delivery system for camptothecin. Carbohydr Polym 2018; 197:117-127. [DOI: 10.1016/j.carbpol.2018.05.071] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 04/15/2018] [Accepted: 05/24/2018] [Indexed: 12/15/2022]
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13
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Fizir M, Dramou P, Dahiru NS, Ruya W, Huang T, He H. Halloysite nanotubes in analytical sciences and in drug delivery: A review. Mikrochim Acta 2018; 185:389. [PMID: 30046919 DOI: 10.1007/s00604-018-2908-1] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 06/29/2018] [Indexed: 01/17/2023]
Abstract
Halloysite (HNT) is a natural inorganic mineral that has many applications in manufacturing. This review (with 192 references) covers (a) the chemical properties of halloysites, (b) the effects of alkali and acid etching on the loading capacity and the release behavior of halloysites, (c) the use of halloysite nanotubes in analytical sciences and drug delivery, and (d) recent trends in the preparation of magnetic HNTs. Synthetic methods such as co-precipitation, thermal decomposition, and solvothermal method are discussed, with emphasis on optimal magnetization. In the analytical field, recent advancements are summarized in terms of applications of HNT-nanocomposites for extraction and detection of heavy metal ions, dyes, organic pollutants, and biomolecules. The review also covers methods for synthesizing molecularly imprinted polymer-modified HNTs and magnetic HNTs. With respect to drug delivery, the toxicity, techniques for drug loading and the various classes of drug-halloysite nanocomposites are discussed. This review gives a general insight on the utilization of HNT in analytical determination and drug delivery systems which may be useful for researchers to generate new ideas. Graphical abstract Schematic presentation of the structure of halloysite nanotubes, selected examples of modifications and functionalization, and represetative field of applications.
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Affiliation(s)
- Meriem Fizir
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China.
| | - Pierre Dramou
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China
| | - Nasiru Sintali Dahiru
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China
| | - Wang Ruya
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China
| | - Tao Huang
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China
| | - Hua He
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, Nanjing, 210009, Jiangsu, 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, 639 Longmian Avenue, Nanjing, Jiangsu Province, 211198, China.
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14
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QbD approach by computer aided design and response surface methodology for molecularly imprinted polymer based on magnetic halloysite nanotubes for extraction of norfloxacin from real samples. Talanta 2018; 184:266-276. [DOI: 10.1016/j.talanta.2018.02.056] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 02/10/2018] [Accepted: 02/13/2018] [Indexed: 11/20/2022]
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15
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Liu W, Fizir M, Hu F, Li A, Hui X, Zha J, He H. Mixed hemimicelle solid-phase extraction based on magnetic halloysite nanotubes and ionic liquids for the determination and extraction of azo dyes in environmental water samples. J Chromatogr A 2018; 1551:10-20. [DOI: 10.1016/j.chroma.2018.03.051] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 03/26/2018] [Accepted: 03/27/2018] [Indexed: 01/14/2023]
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16
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Sun Y, Li Y, Xu J, Huang L, Qiu T, Zhong S. Interconnectivity of macroporous molecularly imprinted polymers fabricated by hydroxyapatite-stabilized Pickering high internal phase emulsions-hydrogels for the selective recognition of protein. Colloids Surf B Biointerfaces 2017; 155:142-149. [DOI: 10.1016/j.colsurfb.2017.04.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 03/25/2017] [Accepted: 04/04/2017] [Indexed: 12/25/2022]
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17
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Wu Y, Ma Y, Pan J, Gu R, Luo J. Porous and Magnetic Molecularly Imprinted Polymers via Pickering High Internal Phase Emulsions Polymerization for Selective Adsorption of λ-Cyhalothrin. Front Chem 2017; 5:18. [PMID: 28401145 PMCID: PMC5368171 DOI: 10.3389/fchem.2017.00018] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 03/03/2017] [Indexed: 11/23/2022] Open
Abstract
A novel macroporous magnetic molecularly imprinted polymer (MMIPs) of was prepared by W/O Pickering (high internal phase emulsions) HIPEs polymerization, and then it was adopted as adsorbent for selective adsorption of λ-cyhalothrin (LC). In static conditions, adsorption capacity of LC increased rapidly in the first 60 min and reached to equilibrium in ~2.0 h. Excellent conformity of the second-order model confirmed the chemical nature of the interaction between the LC and imprinted sites. The fitting adsorption isotherm was a Langmuir type, and the maximum monolayer adsorption capacity at 298 K was 404.4 μmol g−1. Thermodynamic parameters suggested the specific adsorption at 298 K was an exothermic, spontaneous, and entropy decreased process. Competitive recognition studies of the MMIPs were performed with diethyl phthalate (DEP) and the structurally similar compound fenvalerate (FL), and the MMIPs, which displayed high selectivity for LC.
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Affiliation(s)
- Yunlong Wu
- School of Chemistry and Chemical Engineering, Jiangsu University Zhenjiang, China
| | - Yue Ma
- School of Chemistry and Chemical Engineering, Jiangsu University Zhenjiang, China
| | - Jianming Pan
- School of Chemistry and Chemical Engineering, Jiangsu University Zhenjiang, China
| | - Runxing Gu
- School of Chemistry and Chemical Engineering, Jiangsu University Zhenjiang, China
| | - Jialu Luo
- School of Chemistry and Chemical Engineering, Jiangsu University Zhenjiang, China
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18
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Jia L, Zhou T, Xu J, Li X, Dong K, Huang J, Xu Z. The Enhanced Catalytic Activities of Asymmetric Au-Ni Nanoparticle Decorated Halloysite-Based Nanocomposite for the Degradation of Organic Dyes. NANOSCALE RESEARCH LETTERS 2016; 11:72. [PMID: 26852228 PMCID: PMC4744597 DOI: 10.1186/s11671-016-1252-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 01/14/2016] [Indexed: 05/27/2023]
Abstract
Janus particles (JPs) are unique among the nano-/microobjects because they provide asymmetry and can thus impart drastically different chemical or physical properties. In this work, we have fabricated the magnetic halloysite nanotube (HNT)-based HNTs@Fe3O4 nanocomposite (NCs) and then anchored the Janus Au-Ni or isotropic Au nanoparticles (NPs) to the surface of external wall of sulfydryl modified magnetic nanotubes. The characterization by physical methods authenticates the successful fabrication of two different magnetic HNTs@Fe3O4@Au and HNTs@Fe3O4@Au-Ni NCs. The catalytic activity and recyclability of the two NCs have been evaluated considering the degradation of Congo red (CR) and 4-nitrophenol (4-NP) using sodium borohydride as a model reaction. The results reveal that the symmetric Au NPs participated NCs display low activity in the degradation of the above organic dyes. However, a detailed kinetic study demonstrates that the employ of bimetallic Janus Au-Ni NPs in the NCs indicates enhanced catalytic activity, owing to the structurally specific nature. Furthermore, the magnetic functional NCs reported here can be used as recyclable catalyst which can be recovered simply by magnet.
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Affiliation(s)
- Lei Jia
- Department of Physics and Chemistry, Henan Polytechnic University, Jiaozuo, 454000, People's Republic of China
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, People's Republic of China
| | - Tao Zhou
- Department of Physics and Chemistry, Henan Polytechnic University, Jiaozuo, 454000, People's Republic of China
| | - Jun Xu
- Department of Physics and Chemistry, Henan Polytechnic University, Jiaozuo, 454000, People's Republic of China.
| | - Xiaohui Li
- Department of Physics and Chemistry, Henan Polytechnic University, Jiaozuo, 454000, People's Republic of China
| | - Kun Dong
- Department of Physics and Chemistry, Henan Polytechnic University, Jiaozuo, 454000, People's Republic of China
| | - Jiancui Huang
- Department of Physics and Chemistry, Henan Polytechnic University, Jiaozuo, 454000, People's Republic of China
| | - Zhouqing Xu
- Department of Physics and Chemistry, Henan Polytechnic University, Jiaozuo, 454000, People's Republic of China.
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20
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Zheng X, Zhang F, Liu E, Shi W, Yan Y. A lanthanide complex-based molecularly imprinted luminescence probe for rapid and selective determination of λ-cyhalothrin in the environment. NEW J CHEM 2016. [DOI: 10.1039/c5nj03191e] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Molecularly imprinted polymers cladded lanthanide complexes were synthesized via precipitation polymerization.
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Affiliation(s)
- Xudong Zheng
- School of Chemistry & Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- P. R. China
| | - Fusheng Zhang
- School of Chemistry & Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- P. R. China
| | - Enli Liu
- School of Chemistry & Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- P. R. China
| | - Weidong Shi
- School of Chemistry & Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- P. R. China
| | - Yongsheng Yan
- School of Chemistry & Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- P. R. China
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21
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Li H, Zhu X, Zhou H, Zhong S. Functionalization of halloysite nanotubes by enlargement and hydrophobicity for sustained release of analgesic. Colloids Surf A Physicochem Eng Asp 2015. [DOI: 10.1016/j.colsurfa.2015.09.062] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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22
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Liu Z, Hu Z, Liu Y, Meng M, Ni L, Meng X, Zhong G, Liu F, Gao Y. Monodisperse magnetic ion imprinted polymeric microparticles prepared by RAFT polymerization based on γ-Fe2O3@meso-SiO2nanospheres for selective solid-phase extraction of Cu(ii) in water samples. RSC Adv 2015. [DOI: 10.1039/c5ra07022h] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Utilising a general protocol for making surface-imprinted core–shell microparticlesviaa RAFT-mediated approach, we developed a Cu(ii) imprinted polymer with a novel magnetic nanosphere, γ-Fe2O3@meso-SiO2, as support.
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Affiliation(s)
- Zhanchao Liu
- School of Materials Science and Engineering
- Jiangsu University of Science and Technology
- Zhenjiang 212013
- China
| | - Zhaoyong Hu
- School of Materials Science and Engineering
- Jiangsu University of Science and Technology
- Zhenjiang 212013
- China
| | - Yan Liu
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Minjia Meng
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Liang Ni
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Xiangguo Meng
- School of Biology and Chemical Engineering
- Jiangsu University of Science and Technology
- Zhenjiang 212013
- China
| | - Guoxing Zhong
- School of Biology and Chemical Engineering
- Jiangsu University of Science and Technology
- Zhenjiang 212013
- China
| | - Fangfang Liu
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Yanmin Gao
- School of Materials Science and Engineering
- Jiangsu University of Science and Technology
- Zhenjiang 212013
- China
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Wu Y, Yan M, Yan Y, Liu X, Meng M, Lv P, Pan J, Huo P, Li C. Fabrication and evaluation of artemisinin-imprinted composite membranes by developing a surface functional monomer-directing prepolymerization system. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:14789-14796. [PMID: 25420213 DOI: 10.1021/la504336s] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Inspired by a surface functional monomer-directing prepolymerization system, a straightforward and effective synthesis method was first developed to prepare highly regenerate and perm-selective molecularly imprinted composite membranes of artemisinin (Ars) molecules. Attributing to the formation of the prepolymerization system, Ars molecules are attracted and bound to the membrane surface, hence promoting the growth of homogeneous and high-density molecular recognition sites on the surface of membrane materials. Afterward, a two-step-temperature imprinting procedure was carried out to prepare the novel surface functional monomer capping molecularly imprinted membranes (FMIMs). The as-prepared FMIMs not only exhibited highly adsorption capacity (11.91 mg g(-1)) but also showed an outstanding specific selectivity (imprinting factor α is 4.50) and excellent perm-selectivity ability (separation factor β is 10.60) toward Ars molecules, which is promising for Ars separation and purification.
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Affiliation(s)
- Yilin Wu
- School of Chemistry and Chemical Engineering, Jiangsu University , Zhenjiang 212013, China
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24
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Dai H, Xiao D, He H, Li H, Yuan D, Zhang C. Synthesis and analytical applications of molecularly imprinted polymers on the surface of carbon nanotubes: a review. Mikrochim Acta 2014. [DOI: 10.1007/s00604-014-1376-5] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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25
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A simple and sensitive surface molecularly imprinted polymers based fluorescence sensor for detection of λ-Cyhalothrin. Talanta 2014; 125:14-23. [DOI: 10.1016/j.talanta.2014.02.062] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Revised: 02/21/2014] [Accepted: 02/24/2014] [Indexed: 01/28/2023]
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26
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Zhang AB, Liu ST, Yan KK, Ye Y, Chen XG. Facile preparation of MnFe2O4/halloysite nanotubular encapsulates with enhanced magnetic and electromagnetic performances. RSC Adv 2014. [DOI: 10.1039/c3ra46873a] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
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27
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Pan J, Zhu W, Dai X, Yan X, Gan M, Li L, Hang H, Yan Y. Magnetic molecularly imprinted microcapsules derived from Pickering emulsion polymerization and their novel adsorption characteristics for λ-cyhalothrin. RSC Adv 2014. [DOI: 10.1039/c3ra43178a] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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28
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Mu B, Wang W, Zhang J, Wang A. Superparamagnetic sandwich structured silver/halloysite nanotube/Fe3O4nanocomposites for 4-nitrophenol reduction. RSC Adv 2014. [DOI: 10.1039/c4ra05892e] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Superparamagnetic sandwich structured silver/halloysite nanotube/Fe3O4(Ag/HNT/Fe3O4) nanocomposites were fabricated by selective modification of the lumen of halloysite nanotubes with silver nanorods and the external wall with Fe3O4nanoparticles.
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Affiliation(s)
- Bin Mu
- Center of Eco-materials and Green Chemistry
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000, China
| | - Wenbo Wang
- Center of Eco-materials and Green Chemistry
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000, China
| | - Junping Zhang
- Center of Eco-materials and Green Chemistry
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000, China
| | - Aiqin Wang
- Center of Eco-materials and Green Chemistry
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou 730000, China
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29
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Alvarez-Lorenzo C, Concheiro A. Smart drug delivery systems: from fundamentals to the clinic. Chem Commun (Camb) 2014; 50:7743-65. [DOI: 10.1039/c4cc01429d] [Citation(s) in RCA: 276] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Smart materials can endow implantable depots, targetable nanocarriers and insertable medical devices with activation-modulated and feedback-regulated control of drug release.
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Affiliation(s)
- Carmen Alvarez-Lorenzo
- Departamento de Farmacia y Tecnología Farmacéutica
- Universidad de Santiago de Compostela
- 15782-Santiago de Compostela, Spain
| | - Angel Concheiro
- Departamento de Farmacia y Tecnología Farmacéutica
- Universidad de Santiago de Compostela
- 15782-Santiago de Compostela, Spain
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30
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Hang H, Li C, Pan J, Li L, Dai J, Dai X, Yu P, Feng Y. Selective separation of lambdacyhalothrin by porous/magnetic molecularly imprinted polymers prepared by Pickering emulsion polymerization. J Sep Sci 2013; 36:3285-94. [DOI: 10.1002/jssc.201300494] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Revised: 07/17/2013] [Accepted: 07/18/2013] [Indexed: 12/30/2022]
Affiliation(s)
- Hui Hang
- School of Chemistry and Chemical Engineering; Jiangsu University; Zhenjiang China
| | - Chunxiang Li
- School of Chemistry and Chemical Engineering; Jiangsu University; Zhenjiang China
| | - Jianming Pan
- School of Chemistry and Chemical Engineering; Jiangsu University; Zhenjiang China
| | - Linzi Li
- School of Environment; Jiangsu University; Zhenjiang China
| | - Jiangdong Dai
- School of Material Science and Engineering; Jiangsu University; Zhenjiang China
| | - Xiaohui Dai
- School of Chemistry and Chemical Engineering; Jiangsu University; Zhenjiang China
| | - Ping Yu
- School of Chemistry and Chemical Engineering; Jiangsu University; Zhenjiang China
| | - Yonghai Feng
- School of Material Science and Engineering; Jiangsu University; Zhenjiang China
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31
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Pan J, Li L, Hang H, Wu R, Dai X, Shi W, Yan Y. Fabrication and evaluation of magnetic/hollow double-shelled imprinted sorbents formed by Pickering emulsion polymerization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:8170-8178. [PMID: 23742261 DOI: 10.1021/la4015288] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Magnetic/hollow double-shelled imprinted polymers (MH-MIPs) were synthesized by Pickering emulsion polymerization. In this method, attapulgite (ATP) particles were used as stabilizers to establish a stable oil-in-water emulsion, and a few hydrophilic Fe3O4 nanoparticles were allowed to be magnetic separation carriers. The imprinting system was fabricated by radical polymerization in the presence of the functional and polymeric monomers in the oil phase. The results of characterization indicated that MH-MIPs exhibited magnetic sensitivity (Ms = 4.76 emu g(-1)), thermal stability (especially below 200 °C), and hollow structure and were composed of exterior ATP shells and interior imprinted polymers shells. Then MH-MIPs were evaluated as sorbents for the selective binding of λ-cyhalothrin as a result of their magnetism, enhanced mechanical strength, hydrophilic surface, and recognition ability. The kinetic properties of MH-MIPs were well described by the pseudo-second-order equation, indicating that the chemical process could be the rate-limiting step in the adsorption process for λ-cyhalothrin. The equilibrium adsorption capacity of MH-MIPs was 60.06 μmol g(-1) at 25 °C, and the Langmuir isotherm model gave a better fit to the experimental data, indicating the monolayer molecular adsorption for λ-cyhalothrin. The selective recognition experiments also demonstrated the high affinity and selectivity of MH-MIIPs toward λ-cyhalothrin over fenvalerate and diethyl phthalate.
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Affiliation(s)
- Jianming Pan
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China.
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32
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Lu Z, Luo Y, He M, Huo P, Chen T, Shi W, Yan Y, Pan J, Ma Z, Yang S. Preparation and performance of a novel magnetic conductive imprinted photocatalyst for selective photodegradation of antibiotic solution. RSC Adv 2013. [DOI: 10.1039/c3ra42738b] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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