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Tukur F, Tukur P, Hunyadi Murph SE, Wei J. Advancements in mercury detection using surface-enhanced Raman spectroscopy (SERS) and ion-imprinted polymers (IIPs): a review. NANOSCALE 2024; 16:11384-11410. [PMID: 38868998 DOI: 10.1039/d4nr00886c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2024]
Abstract
Mercury (Hg) contamination remains a major environmental concern primarily due to its presence at trace levels, making monitoring the concentration of Hg challenging. Sensitivity and selectivity are significant challenges in the development of mercury sensors. Surface-enhanced Raman spectroscopy (SERS) and ion-imprinted polymers (IIPs) are two distinct analytical methods developed and employed for mercury detection. In this review, we provide an overview of the key aspects of SERS and IIP methodologies, focusing on the recent advances in sensitivity and selectivity for mercury detection. By examining the critical parameters and challenges commonly encountered in this area of research, as reported in the literature, we present a set of recommendations. These recommendations cover solid and colloidal SERS substrates, appropriate Raman reporter/probe molecules, and customization of IIPs for mercury sensing and removal. Furthermore, we provide a perspective on the potential integration of SERS with IIPs to achieve enhanced sensitivity and selectivity in mercury detection. Our aim is to foster the establishment of a SERS-IIP hybrid method as a robust analytical tool for mercury detection across diverse fields.
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Affiliation(s)
- Frank Tukur
- The Department of Nanoscience, Joint School of Nanoscience and Nanoengineering, UNC at Greensboro, 2907 E. Gate City Blvd, Greensboro, NC 27401, USA.
| | - Panesun Tukur
- The Department of Nanoscience, Joint School of Nanoscience and Nanoengineering, UNC at Greensboro, 2907 E. Gate City Blvd, Greensboro, NC 27401, USA.
| | - Simona E Hunyadi Murph
- Savannah River National Laboratory (SRNL), Aiken, SC, 29808, USA.
- University of Georgia (UGA), Athens, GA, 30602, USA
| | - Jianjun Wei
- The Department of Nanoscience, Joint School of Nanoscience and Nanoengineering, UNC at Greensboro, 2907 E. Gate City Blvd, Greensboro, NC 27401, USA.
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Roland RM, Bhawani SA, Ibrahim MNM. Synthesis of molecularly imprinted polymer by precipitation polymerization for the removal of ametryn. BMC Chem 2023; 17:165. [PMID: 38001543 PMCID: PMC10668388 DOI: 10.1186/s13065-023-01084-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Ametryn (AME) is a triazine herbicide which is mainly used to kill unwanted herbs in crops. Despite its importance in agriculture, the usage of AME also poses a risk to humans and the ecosystem due to its toxicity. Hence, it is important to develop a method for the effective removal of AME from various water sources which is in the form of molecular imprinting polymer (MIP). In this study, MIP of AME was synthesized via precipitation polymerization using AME as the template molecule with three different functional monomers including methacrylic acid (MAA), acrylamide (AAm) and 2-vinylpyridine (2VP). The three different synthesized polymers namely MIP (MAA), MIP (AAm) and MIP (2VP) were characterized using Fourier Infra-red spectroscopy (FTIR) and Field Emission Electron Microscopy (FESEM). Then, the batch binding study was carried out using all three MIPs in which MIP (MAA) attained the highest rebinding efficiency (93.73%) among the synthesized polymers. The Energy-Dispersive X-ray spectroscopy (EDX) analysis, Brunauer-Emmett-Teller (BET) analysis and thermogravimetric analysis (TGA) were also conducted on the selected MIP (MAA). Adsorption studies including initial concentration, pH and polymer dosage were also conducted on MIP (MAA). In this study, the highest adsorption efficiency was attained at the optimum condition of 6 ppm of AME solution at pH 7 with 0.1 g of MIP (MAA). MIP (MAA) was successfully applied to remove AME from spiked distilled water, tap water and river water samples with removal efficiencies of 95.01%, 90.24% and 88.37%, respectively.
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Affiliation(s)
- Rachel Marcella Roland
- Faculty of Resource Science and Technology, Universiti Malaysia Sarawak (UNIMAS), 94300, Kota Samarahan, Sarawak, Malaysia
| | - Showkat Ahmad Bhawani
- Faculty of Resource Science and Technology, Universiti Malaysia Sarawak (UNIMAS), 94300, Kota Samarahan, Sarawak, Malaysia.
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Vargas-Berrones K, Ocampo-Perez R, Rodríguez-Torres I, Medellín-Castillo NA, Flores-Ramírez R. Molecularly imprinted polymers (MIPs) as efficient catalytic tools for the oxidative degradation of 4-nonylphenol and its by-products. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:90741-90756. [PMID: 37462867 DOI: 10.1007/s11356-023-28653-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 07/02/2023] [Indexed: 08/24/2023]
Abstract
Water pollution is a current global concern caused by emerging pollutants like nonylphenol (NP). This endocrine disruptor cannot be efficiently removed with traditional wastewater treatment plants (WTPs). Therefore, this work aimed to evaluate the adsorption influence of molecularly imprinted polymers (MIPs) on the oxidative degradation (ozone and ultraviolet irradiations) of 4-nonylphenol (4-NP) and its by-products as a coadjuvant in WTPs. MIPs were synthesized and characterized; the effect of the degradation rate under system operating conditions was studied by Box-Behnken response surface design of experiments. The variables evaluated were 4-NP concentration, ozone exposure time, pH, and MIP amount. Results show that the MIPs synthesized by co-precipitation and bulk polymerizations obtained the highest retention rates (> 90%). The maximum adsorption capacities for 4-NP were 201.1 mg L-1 and 500 mg L-1, respectively. The degradation percentages under O3 and UV conditions reached 98-100% at 120 s of exposure at different pHs. The degradation products of 4-NP were compounds with carboxylic and ketonic acids, and the MIP adsorption was between 50 and 60%. Our results present the first application of MIPs in oxidation processes for 4-NP, representing starting points for the use of highly selective materials to identify and remove emerging pollutants and their degradation by-products in environmental matrices.
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Affiliation(s)
- Karla Vargas-Berrones
- Instituto Tecnológico Superior de Rioverde, Ma del Rosario, San Ciro de Acosta-Rioverde 165, CP 79610, Rioverde, SLP, Mexico
| | - Raul Ocampo-Perez
- Centro de Investigación Y Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, 78260, San Luis Potosí, Mexico
| | - Israel Rodríguez-Torres
- Instituto de Metalurgia-Facultad de Ingeniería, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Lomas 2a Sección, 78210, San Luis Potosí, San Luis Potosí, Mexico
| | - Nahúm A Medellín-Castillo
- Facultad de Ingeniería, Universidad Autónoma de San Luis Potosí, Av. Manuel Nava No. 8, 78290, San Luis Potosí, SLP, Mexico
| | - Rogelio Flores-Ramírez
- Coordinación Para La Innovación Y Aplicación de La Ciencia Y La Tecnología (CIACYT), Colonia Lomas Segunda Sección, Avenida Sierra Leona No. 550, CP 78210, San Luis Potosí, SLP, Mexico.
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Ma X, Knowles JC, Poma A. Biodegradable and Sustainable Synthetic Antibodies-A Perspective. Pharmaceutics 2023; 15:pharmaceutics15051440. [PMID: 37242682 DOI: 10.3390/pharmaceutics15051440] [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: 02/27/2023] [Revised: 04/12/2023] [Accepted: 04/28/2023] [Indexed: 05/28/2023] Open
Abstract
Molecular imprinting technology has been around for almost a century, and we have witnessed dramatic advancements in the overall design and production of molecularly imprinted polymers (MIPs), particularly in terms of possible formats of the final products when it comes to truly resembling antibody substitutes, i.e., MIP nanoparticles (MIP NPs). Nonetheless, the overall technology appears to struggle to keep up with the current global sustainability efforts, as recently elucidated in the latest comprehensive reviews, which introduced the "GREENIFICATION" concept. In this review, we will try to elucidate if these advancements in MIP nanotechnology have indeed resulted in a sustainability amelioration. We will do so by discussing the general production and purification strategies for MIP NPs, specifically from a sustainability and biodegradation perspective, also considering the final intended application and ultimate waste management.
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Affiliation(s)
- Xiaohan Ma
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, Royal Free Hospital, UCL Medical School, Rowland Hill Street, London NW3 2PF, UK
| | - Jonathan C Knowles
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, Royal Free Hospital, UCL Medical School, Rowland Hill Street, London NW3 2PF, UK
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Republic of Korea
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan 31116, Republic of Korea
| | - Alessandro Poma
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, Royal Free Hospital, UCL Medical School, Rowland Hill Street, London NW3 2PF, UK
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Kitayama Y, Takigawa S, Harada A. Effect of Poly(Vinyl Alcohol) Concentration and Chain Length on Polymer Nanogel Formation in Aqueous Dispersion Polymerization. Molecules 2023; 28:molecules28083493. [PMID: 37110725 PMCID: PMC10143144 DOI: 10.3390/molecules28083493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/04/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
Nanotechnology has attracted increasing interest in various research fields for fabricating functional nanomaterials. In this study, we investigated the effect of poly(vinyl alcohol) (PVA) addition on the formation and thermoresponsive properties of poly(N-isopropyl acrylamide)-based nanogels in aqueous dispersion polymerizations. During dispersion polymerization, PVA appears to play three roles: (i) it bridges the generated polymer chains during polymerization, (ii) it stabilizes the formed polymer nanogels, and (iii) it regulates the thermoresponsive properties of the polymer nanogels. By regulating the bridging effect of PVA via changing the PVA concentration and chain length, the size of the obtained polymer gel particles was maintained in the nanometer range. Furthermore, we found that the clouding-point temperature increased when using low-molecular weight PVA. We believe that the knowledge gained in this study regarding the effect of PVA concentration and chain length on nanogel formation will aid in the future fabrication of functional polymer nanogels.
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Affiliation(s)
- Yukiya Kitayama
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
| | - Shunsuke Takigawa
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
| | - Atsushi Harada
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
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Song CT, Zhang XH, Chen D, Ma YH, Yang WT. Synthetic Features and Mechanism for the Preparation of Vinyl Chloride-co-Butyl Acrylate-co-Vinyl Acetate Terpolymer via Precipitation Polymerization. CHINESE JOURNAL OF POLYMER SCIENCE 2023. [DOI: 10.1007/s10118-023-2965-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Hassan SSM, Kamel AH, Fathy MA. All-solid-state paper-based potentiometric combined sensor modified with reduced graphene oxide (rGO) and molecularly imprinted polymer for monitoring losartan drug in pharmaceuticals and biological samples. Talanta 2023; 253:123907. [PMID: 36095941 DOI: 10.1016/j.talanta.2022.123907] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/25/2022] [Accepted: 08/30/2022] [Indexed: 12/13/2022]
Abstract
A cost-effective, highly selective and sensitive paper-based potentiometric combined sensor for losartan potassium drug (LOS) is fabricated, characterized and used for the drug monitoring. The sensor consists of 2 strips of filter paper (20 × 5 mm each) as platform, each imprinted with 4 mm diameter circular spot of carbon. One carbon spot is covered by a reduced graphene oxide (rGO) for use as a substrate for the recognition sensor and the other without rGO is used for the reference electrode. LOS molecularly imprinted drug polymer (MIP) is applied onto the graphene oxide containing strip to act as a drug recognition sensing material and a solid-state polyvinyl butyral (PVB) is applied onto the second carbon spot to act as a reference electrode. Performance characteristics of the combined sensor are examined with chronopotentiometry (CP) and electrochemical impedance spectroscopy (EIS). Increase effect of rGO on the interfacial double-layer capacitance of the sensing membrane and consequently on the potential stability is confirmed. The developed combined sensor (strip cell) displays a Nernstian slope of -58.2 ± 0.3 mV/decade (R2 = 0.9994) over the linear range 8.5 × 10-7 - 6.9 × 10-2 M with a detection limit of 2.7 ± 0.3 × 10-7 M. The sensor shows remarkable selectivity toward various related compounds especially those commonly used by the COVID-19 patients such as paracetamol, ascorbic acid and dextromethorphan. The assay method is validated and proved to be satisfactory for direct potentiometric determination of LOS-K in some pharmaceutical formulations and in spiked human urine samples. An average recovery of 96.3 ± 0.3-98.7 ± 0.6% of the nominal or spiked concentration and a mean relative standard deviation of ±0.6% are obtained. The use of an indicating and a reference electrodes combined into a single flexible disposable paper platform enables applications to a minimum sample volume due to the close proximity of the responsive membrane and the liquid junction. The efficiency of the proposed sensor in complex urine matrix suggests its application in hospitals for rapid diagnosis of overdose patients and for quality control/quality assurance tests in pharmaceutical industry.
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Affiliation(s)
- Saad S M Hassan
- Department of Chemistry, Faculty of Science, Ain Shams University, Abbasia, Cairo 11566, Egypt.
| | - Ayman H Kamel
- Department of Chemistry, Faculty of Science, Ain Shams University, Abbasia, Cairo 11566, Egypt; Department of Chemistry, College of Science, Sokheer, 32038, Bahrain
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8
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Magnetic molecularly imprinted polymers based on eco-friendly deep eutectic solvent for recognition and extraction of three glucocorticoids in lotion. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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9
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Chen H, Guo J, Wang Y, Dong W, Zhao Y, Sun L. Bio-Inspired Imprinting Materials for Biomedical Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2202038. [PMID: 35908804 PMCID: PMC9534966 DOI: 10.1002/advs.202202038] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 06/08/2022] [Indexed: 05/27/2023]
Abstract
Inspired by the recognition mechanism of biological molecules, molecular imprinting techniques (MITs) are imparted with numerous merits like excellent stability, recognition specificity, adsorption properties, and easy synthesis processes, and thus broaden the avenues for convenient fabrication protocol of bio-inspired molecularly imprinted polymers (MIPs) with desirable functions to satisfy the extensive demands of biomedical applications. Herein, the recent research progress made with respect to bio-inspired imprinting materials is discussed in this review. First, the underlying mechanism and basic components of a typical molecular imprinting procedure are briefly explored. Then, emphasis is put on the introduction of diverse MITs and novel bio-inspired imprinting materials. Following these two sections, practical applications of MIPs in the field of biomedical science are focused on. Last but not least, perspectives on the remaining challenges and future development of bio-inspired imprinting materials are presented.
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Affiliation(s)
- Hanxu Chen
- Department of Rheumatology and ImmunologyNanjing Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096P. R. China
| | - Jiahui Guo
- Department of Rheumatology and ImmunologyNanjing Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096P. R. China
| | - Yu Wang
- Department of Rheumatology and ImmunologyNanjing Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096P. R. China
| | - Weiliang Dong
- State Key Laboratory of Materials‐Oriented Chemical EngineeringCollege of Biotechnology and Pharmaceutical EngineeringNanjing Tech UniversityNanjing211800P. R. China
| | - Yuanjin Zhao
- Department of Rheumatology and ImmunologyNanjing Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096P. R. China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health)Wenzhou InstituteUniversity of Chinese Academy of SciencesWenzhouZhejiang325001P. R. China
| | - Lingyun Sun
- Department of Rheumatology and ImmunologyNanjing Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096P. R. China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health)Wenzhou InstituteUniversity of Chinese Academy of SciencesWenzhouZhejiang325001P. R. China
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Orbay S, Kocaturk O, Sanyal R, Sanyal A. Molecularly Imprinted Polymer-Coated Inorganic Nanoparticles: Fabrication and Biomedical Applications. MICROMACHINES 2022; 13:1464. [PMID: 36144087 PMCID: PMC9501141 DOI: 10.3390/mi13091464] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 08/27/2022] [Accepted: 08/29/2022] [Indexed: 06/16/2023]
Abstract
Molecularly imprinted polymers (MIPs) continue to gain increasing attention as functional materials due to their unique characteristics such as higher stability, simple preparation, robustness, better binding capacity, and low cost. In particular, MIP-coated inorganic nanoparticles have emerged as a promising platform for various biomedical applications ranging from drug delivery to bioimaging. The integration of MIPs with inorganic nanomaterials such as silica (SiO2), iron oxide (Fe3O4), gold (Au), silver (Ag), and quantum dots (QDs) combines several attributes from both components to yield highly multifunctional materials. These materials with a multicomponent hierarchical structure composed of an inorganic core and an imprinted polymer shell exhibit enhanced properties and new functionalities. This review aims to provide a general overview of key recent advances in the fabrication of MIPs-coated inorganic nanoparticles and highlight their biomedical applications, including drug delivery, biosensor, bioimaging, and bioseparation.
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Affiliation(s)
- Sinem Orbay
- Institute of Biomedical Engineering, Bogazici University, Istanbul 34684, Turkey
| | - Ozgur Kocaturk
- Institute of Biomedical Engineering, Bogazici University, Istanbul 34684, Turkey
| | - Rana Sanyal
- Department of Chemistry, Center for Life Sciences and Technologies, Bogazici University, Istanbul 34342, Turkey
| | - Amitav Sanyal
- Department of Chemistry, Center for Life Sciences and Technologies, Bogazici University, Istanbul 34342, Turkey
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Hassan SS, Kamel AH, Fathy MA. A novel screen-printed potentiometric electrode with carbon nanotubes/polyaniline transducer and molecularly imprinted polymer for the determination of nalbuphine in pharmaceuticals and biological fluids. Anal Chim Acta 2022; 1227:340239. [DOI: 10.1016/j.aca.2022.340239] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 07/28/2022] [Accepted: 08/02/2022] [Indexed: 11/30/2022]
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García-Atienza P, Esteve-Turrillas F, Armenta S, Herrero-Martínez J. Ethylphenidate determination in oral fluids by molecularly imprinted polymer extraction and ion mobility spectrometry. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107423] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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13
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Jyoti, Żołek T, Maciejewska D, Gilant E, Gniazdowska E, Kutner A, Noworyta KR, Kutner W. Polytyramine Film-Coated Single-Walled Carbon Nanotube Electrochemical Chemosensor with Molecularly Imprinted Polymer Nanoparticles for Duloxetine-Selective Determination in Human Plasma. ACS Sens 2022; 7:1829-1836. [PMID: 35549160 PMCID: PMC9315955 DOI: 10.1021/acssensors.2c00124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We devised, fabricated, and tested differential pulse voltammetry (DPV) and impedance spectroscopy (EIS) chemosensors for duloxetine (DUL) antidepressant determination in human plasma. Polyacrylic nanoparticles were synthesized by precipitation polymerization and were molecularly imprinted with DUL (DUL-nanoMIPs). Then, together with the single-walled carbon nanotube (SWCNT) scaffolds, they were uniformly embedded in polytyramine films, i.e., nanoMIPs-SWCNT@(polytyramine film) surface constructs, deposited on gold electrodes by potentiodynamic electropolymerization. These constructs constituted recognition units of the chemosensors. The molecular dynamics (MD) designing of DUL-nanoMIPs helped select the most appropriate functional and cross-linking monomers and determine the selectivity of the chemosensor. Three different DUL-nanoMIPs and non-imprinted polymer (nanoNIPs) were prepared with these monomers. DUL-nanoMIPs, synthesized from respective methacrylic acid and ethylene glycol dimethyl acrylate as the functional and cross-linking monomers, revealed the highest affinity to the DUL analyte. The linear dynamic concentration range, extending from 10 pM to 676 nM DUL, and the limit of detection (LOD), equaling 1.6 pM, in the plasma were determined by the DPV chemosensor, outperforming the EIS chemosensor. HPLC-UV measurements confirmed the results of DUL electrochemical chemosensing.
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Affiliation(s)
- Jyoti
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Teresa Żołek
- Department of Organic Chemistry, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland
| | - Dorota Maciejewska
- Department of Organic Chemistry, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland
| | - Edyta Gilant
- Łukasiewicz Research Network−Industrial Chemistry Institute, Rydygiera 8, 01-793 Warsaw, Poland
| | - Elzbieta Gniazdowska
- Łukasiewicz Research Network−Industrial Chemistry Institute, Rydygiera 8, 01-793 Warsaw, Poland
| | - Andrzej Kutner
- Department of Bioanalysis and Drug Analysis, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland
| | - Krzysztof R. Noworyta
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Wlodzimierz Kutner
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
- Faculty of Mathematics and Natural Sciences. School of Sciences, Cardinal Stefan Wyszynski University in Warsaw, Wóycickiego 1/3, 01-815 Warsaw, Poland
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Poonia K, Raizada P, Singh A, Verma N, Ahamad T, Alshehri SM, Khan AAP, Singh P, Hussain CM. Magnetic molecularly imprinted polymer photocatalysts: synthesis, applications and future perspective. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.05.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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15
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Purification of Andrographolide Methanolic Extract Using Molecularly Imprinted Polymer Prepared by Precipitation Polymerization. Sci Pharm 2022. [DOI: 10.3390/scipharm90020027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Molecularly Imprinted Polymer (MIP) has a specific cavity in which the conformity of shape, size, and functionalities corresponds with its template molecule and has been widely used in separation processes. Therefore, this study aims to examine the application of MIP for the purification of andrographolide. The MIP was synthesized by precipitation polymerization using methacrylic acid (MAA) and ethylene glycol dimethacrylate (EGDMA) as the functional monomer and cross-linker, andrographolide as a template, and acetonitrile:toluene (3:1) as porogen solvent. The results showed that the binding capacity of Synthesized MIP was 1.2486 mg/g, while the particle size was 295.5 nm with a polydispersity index of 0.064. Furthermore, the imprinting and selectivity factors were 1.148 and 12.37, respectively. The purification process by MIP increased the purity from 55.37 ± 0.69 to 94.94% ± 0.34, while the isolate characterization showed that purified andrographolide had a similar character compared to the standard.
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Mazzotta E, Di Giulio T, Malitesta C. Electrochemical sensing of macromolecules based on molecularly imprinted polymers: challenges, successful strategies, and opportunities. Anal Bioanal Chem 2022; 414:5165-5200. [PMID: 35277740 PMCID: PMC8916950 DOI: 10.1007/s00216-022-03981-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/08/2022] [Accepted: 02/15/2022] [Indexed: 12/21/2022]
Abstract
AbstractLooking at the literature focused on molecularly imprinted polymers (MIPs) for protein, it soon becomes apparent that a remarkable increase in scientific interest and exploration of new applications has been recorded in the last several years, from 42 documents in 2011 to 128 just 10 years later, in 2021 (Scopus, December 2021). Such a rapid threefold increase in the number of works in this field is evidence that the imprinting of macromolecules no longer represents a distant dream of optimistic imprinters, as it was perceived until only a few years ago, but is rapidly becoming an ever more promising and reliable technology, due to the significant achievements in the field. The present critical review aims to summarize some of them, evidencing the aspects that have contributed to the success of the most widely used strategies in the field. At the same time, limitations and drawbacks of less frequently used approaches are critically discussed. Particular focus is given to the use of a MIP for protein in the assembly of electrochemical sensors. Sensor design indeed represents one of the most active application fields of imprinting technology, with electrochemical MIP sensors providing the broadest spectrum of protein analytes among the different sensor configurations.
Graphical abstract
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Affiliation(s)
- Elisabetta Mazzotta
- Laboratory of Analytical Chemistry, Department of Biological and Environmental Sciences and Technologies (Di.S.Te.B.A.), University of Salento, via Monteroni, 73100, Lecce, Italy.
| | - Tiziano Di Giulio
- Laboratory of Analytical Chemistry, Department of Biological and Environmental Sciences and Technologies (Di.S.Te.B.A.), University of Salento, via Monteroni, 73100, Lecce, Italy
| | - Cosimino Malitesta
- Laboratory of Analytical Chemistry, Department of Biological and Environmental Sciences and Technologies (Di.S.Te.B.A.), University of Salento, via Monteroni, 73100, Lecce, Italy
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Muang-Non P, Lim KF, Katselas A, Holdsworth CI. Molecular Imprinting Using a Functional Chain Transfer Agent. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27041162. [PMID: 35208956 PMCID: PMC8877225 DOI: 10.3390/molecules27041162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/01/2022] [Accepted: 02/07/2022] [Indexed: 11/23/2022]
Abstract
This study demonstrates the feasibility of molecular imprinting using a functional chain transfer agent sans a functional monomer. Ethylene glycol dimethacrylate (EGDMA)-based MIPs were synthesised in the presence of thioglycolic acid (TGA) possessing a carboxylic acid group, capable of interacting with the chosen test template R,S-(±)-propranolol (PNL) and a labile S-H bond to facilitate an efficient chain transfer reaction. Quantitative 1H NMR measurements showed high PNL and TGA incorporation within the MIP, indicating an efficient chain transfer process and a favourable interaction between PNL and TGA. TGA-50, with the lowest amount of CTA, showed the largest imprinting effect and an imprinting factor (IF) of 2.1. The addition of MAA to the formulation improved the binding capacity of PNL to the MIP but also increased NIP binding, resulting in a slightly decreased IF of 1.5. The Kd for the high-affinity sites of the TGA/MAA MIP were found to be two times lower (10 ± 1 μM) than that for the high-affinity sites of the TGA-only MIPs, suggesting that the incorporation of the functional monomer MAA increases the affinity towards the PNL template. Selectivity studies, cross-reactivity as well as binary competitive and displacement assays showed the TGA-based MIPs to be highly selective towards PNL against pindolol and slightly competitive against atenolol. The morphologies of the polymers were shown to be affected by the concentration of the TGA, transforming into discrete macrospheres (from small aggregates) at a higher TGA concentration.
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Affiliation(s)
- Phonlakrit Muang-Non
- Discipline of Chemistry, School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW 2308, Australia; (P.M.-N.); (K.F.L.); (A.K.)
- Research School of Chemistry, The Australian National University, Canberra, ACT 2601, Australia
| | - K. Fremielle Lim
- Discipline of Chemistry, School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW 2308, Australia; (P.M.-N.); (K.F.L.); (A.K.)
- The Product Makers, 50/60 Popes Road, Keysborough, VIC 3173, Australia
| | - Anthony Katselas
- Discipline of Chemistry, School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW 2308, Australia; (P.M.-N.); (K.F.L.); (A.K.)
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
| | - Clovia I. Holdsworth
- Discipline of Chemistry, School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW 2308, Australia; (P.M.-N.); (K.F.L.); (A.K.)
- Correspondence: ; Tel.: +61-2-4921-5481
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Mustafa YL, Keirouz A, Leese HS. Molecularly Imprinted Polymers in Diagnostics: Accessing Analytes in Biofluids. J Mater Chem B 2022; 10:7418-7449. [DOI: 10.1039/d2tb00703g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bio-applied molecularly imprinted polymers (MIPs) are biomimetic materials with tailor-made synthetic recognition sites, mimicking biological counterparts known for their sensitive and selective analyte detection. MIPs, specifically designed for biomarker analysis...
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Xue X, Zhang M, Gong H, Ye L. Recyclable nanoparticles based on a boronic acid-diol complex for the real-time monitoring of imprinting, molecular recognition and copper ion detection. J Mater Chem B 2021; 10:6698-6706. [PMID: 34807213 DOI: 10.1039/d1tb02226a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Molecularly imprinted polymers (MIPs) have now become one of the most remarkable materials in the field of molecular recognition. Although many efforts have been made to study the process and mechanism of molecular imprinting, it has not been possible to monitor the interactions between the template and the growing polymer chains under real-time experimental conditions. The behavior of the template-monomer complex during the whole polymerization process has remained largely unknown. In this work, we introduce a fluorescence technique that allows monitoring of the template-functional monomer complex during an actual imprinting process, as well as the real-time signaling of template binding and dissociation from the imprinted polymer. For the first proof-of-principle, we select Alizarin Red S (ARS) and 4-vinylphenylboronic acid as the template and functional monomer, respectively, to synthesize MIP particles via precipitation polymerization. As the formation of the template-functional monomer complex leads to strong fluorescence emission, it allows the status of the template binding to be monitored throughout the whole reaction process in real time. Using the same fluorescence technique, the kinetics of template binding and dissociation can be studied directly without particle separation. The hydrophilic MIP particles can be used as a scavenger to remove ARS from water. In addition, the MIP particles can be used as a recyclable sensor to detect Cu ions. As the Cu ion forms a stable complex with ARS, it causes ARS to dissociate from the MIP nanoparticles, leading to effective fluorescence quenching. The non-separation analytical method based on fluorescence measurement provides a convenient means to study molecular imprinting reactions and the kinetics of molecular recognition using imprinted polymers. The recyclable nanoparticle sensor allows toxic Cu ions to be detected directly in water in the range of 0.1-100 μM with a recovery of 84-95%.
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Affiliation(s)
- Xiaoting Xue
- Division of Pure and Applied Biochemistry, Department of Chemistry, Lund University, Box 124, Lund 221 00, Sweden.
| | - Man Zhang
- Division of Pure and Applied Biochemistry, Department of Chemistry, Lund University, Box 124, Lund 221 00, Sweden.
| | - Haiyue Gong
- Division of Pure and Applied Biochemistry, Department of Chemistry, Lund University, Box 124, Lund 221 00, Sweden.
| | - Lei Ye
- Division of Pure and Applied Biochemistry, Department of Chemistry, Lund University, Box 124, Lund 221 00, Sweden.
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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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21
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Molecularly Imprinted Polymeric Nanoparticles by Precipitation Polymerization and Characterization by Quantitative NMR Spectroscopy. Methods Mol Biol 2021. [PMID: 34410656 DOI: 10.1007/978-1-0716-1629-1_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
An optimized synthetic methodology for the preparation of highly homogeneous MIP nanoparticles by the precipitation method is presented. A quantitative 1H NMR method that was developed to estimate template incorporation, polymer composition and conversion, and binding capacities and selectivities is also described. While the experiment presented here is exemplified by an MIP formulation using (±)-propranolol as the template, methacrylic acid as the functional monomer and ethylene glycol dimethacrylate as the crosslinker, the methods and techniques are applicable to other precipitation MIP systems.
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Arabi M, Ostovan A, Li J, Wang X, Zhang Z, Choo J, Chen L. Molecular Imprinting: Green Perspectives and Strategies. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2100543. [PMID: 34145950 DOI: 10.1002/adma.202100543] [Citation(s) in RCA: 276] [Impact Index Per Article: 92.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 02/25/2021] [Indexed: 05/04/2023]
Abstract
Advances in revolutionary technologies pose new challenges for human life; in response to them, global responsibility is pushing modern technologies toward greener pathways. Molecular imprinting technology (MIT) is a multidisciplinary mimic technology simulating the specific binding principle of enzymes to substrates or antigens to antibodies; along with its rapid progress and wide applications, MIT faces the challenge of complying with green sustainable development requirements. With the identification of environmental risks associated with unsustainable MIT, a new aspect of MIT, termed green MIT, has emerged and developed. However, so far, no clear definition has been provided to appraise green MIT. Herein, the implementation process of green chemistry in MIT is demonstrated and a mnemonic device in the form of an acronym, GREENIFICATION, is proposed to present the green MIT principles. The entire greenificated imprinting process is surveyed, including element choice, polymerization implementation, energy input, imprinting strategies, waste treatment, and recovery, as well as the impacts of these processes on operator health and the environment. Moreover, assistance of upgraded instrumentation in deploying greener goals is considered. Finally, future perspectives are presented to provide a more complete picture of the greenificated MIT road map and to pave the way for further development.
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Affiliation(s)
- Maryam Arabi
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Abbas Ostovan
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Jinhua Li
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Xiaoyan Wang
- School of Pharmacy, Binzhou Medical University, Yantai, 264003, China
| | - Zhiyang Zhang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Jaebum Choo
- Department of Chemistry, Chung-Ang University, Seoul, 06974, South Korea
| | - Lingxin Chen
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
- Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, China
- School of Environmental & Municipal Engineering, Qingdao University of Technology, Qingdao, 266033, China
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Cavalera S, Chiarello M, Di Nardo F, Anfossi L, Baggiani C. Effect of experimental conditions on the binding abilities of ciprofloxacin-imprinted nanoparticles prepared by solid-phase synthesis. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.104893] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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24
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Guo F, Ding Y, Wang Y, Gao X, Chen Z. Functional monodisperse microspheres fabricated by solvothermal precipitation co-polymerization. Chin J Chem Eng 2021. [DOI: 10.1016/j.cjche.2020.09.036] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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25
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Jamalipour Soufi G, Iravani S, Varma RS. Molecularly imprinted polymers for the detection of viruses: challenges and opportunities. Analyst 2021; 146:3087-3100. [PMID: 33999044 DOI: 10.1039/d1an00149c] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Molecularly imprinted polymers (MIPs) have numerous applications in the sensing field, the detection/recognition of virus, the structure determination of proteins, drug delivery, artificial/biomimetic antibodies, drug discovery, and cell culturing. There are lots of conventional methods routinely deployed for the analysis/detection of viral infections and pathogenic viruses, namely enzyme immunoassays, immunofluorescence microscopy, polymerase chain reaction (PCR) and virus isolation. However, they typically suffer from higher costs, low selectivity/specificity, false negative/positive results, time consuming procedures, and inherent labor intensiveness. MIPs offer promising potential for viral recognition/detection with high target selectivity, sensitivity, robustness, reusability, and reproducible fabrication. In terms of virus detection, selectivity and sensitivity are critical parameters determined by the template; additionally, the analytical detection and evaluation of viruses must have considerably low detection limits. The virus-imprinted polymer-based innovative strategies with enough specificity, convenience, validity, and reusability features for the detection/recognition of a wide variety of viruses, can provide attractive capabilities for reliable screening with minimal false negative/positive results that is so crucial for the prevention and control of epidemic and pandemic viral infections. However, in the process of imprinting viruses, critical factors such as size of the target, solubility, fragility, and compositional complexity should be analytically considered and systematically evaluated. In this review, recent advancements regarding the applications of MIPs and pertinent virus imprinting techniques for the detection of viruses, as well as their current significant challenges and future perspectives, are deliberated.
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Abd-Rabboh HSM, E. Amr AEG, Almehizia AA, Kamel AH. All-Solid-State Potentiometric Ion-Sensors Based on Tailored Imprinted Polymers for Pholcodine Determination. Polymers (Basel) 2021; 13:polym13081192. [PMID: 33917178 PMCID: PMC8067864 DOI: 10.3390/polym13081192] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/27/2021] [Accepted: 04/01/2021] [Indexed: 12/19/2022] Open
Abstract
In recent times, the application of the use of ion-selective electrodes has expanded in the field of pharmaceutical analyses due to their distinction from other sensors in their high selectivity and low cost of measurement, in addition to their high measurement sensitivity. Cost-effective, reliable, and robust all-solid-state potentiometric selective electrodes were designed, characterized, and successfully used for pholcodine determination. The design of the sensor device was based on the use of a screen-printed electrode modified with multiwalled carbon nanotubes (MWCNTs) as a solid-contact transducer. Tailored pholcodine (PHO) molecularly imprinted polymers (MIPs) were prepared, characterized, and used as sensory receptors in the presented potentiometric sensing devices. The sensors exhibited a sensitivity of 31.6 ± 0.5 mV/decade (n = 5, R2 = 0.9980) over the linear range of 5.5 × 10−6 M with a detection limit of 2.5 × 10−7 M. Real serum samples in addition to pharmaceutical formulations containing PHO were analyzed, and the results were compared with those obtained by the conventional standard liquid chromatographic approach. The presented analytical device showed an outstanding efficiency for fast, direct, and low-cost assessment of pholcodine levels in different matrices.
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Affiliation(s)
- Hisham S. M. Abd-Rabboh
- Chemistry Department, Faculty of Science, King Khalid University, Abha 61413, Saudi Arabia;
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo 11566, Egypt
| | - Abd El-Galil E. Amr
- Pharmaceutical Chemistry Department, Drug Exploration & Development Chair (DEDC), College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia;
- National Research Center, Applied Organic Chemistry Department, Dokki, Giza 12622, Egypt
- Correspondence: (A.E.-G.E.A.); (A.H.K.); Tel.: +966-565-148-750 (A.E.-G.E.A.); +20-1000361328 (A.H.K.)
| | - Abdulrahman A. Almehizia
- Pharmaceutical Chemistry Department, Drug Exploration & Development Chair (DEDC), College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Ayman H. Kamel
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo 11566, Egypt
- Correspondence: (A.E.-G.E.A.); (A.H.K.); Tel.: +966-565-148-750 (A.E.-G.E.A.); +20-1000361328 (A.H.K.)
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Khumsap T, Corpuz A, Nguyen LT. Epitope-imprinted polymers: applications in protein recognition and separation. RSC Adv 2021; 11:11403-11414. [PMID: 35423617 PMCID: PMC8695941 DOI: 10.1039/d0ra10742e] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 03/09/2021] [Indexed: 12/13/2022] Open
Abstract
Molecularly imprinted polymers (MIPs) have evolved as promising platforms for specific recognition of proteins. However, molecular imprinting of the whole protein molecule is complicated by its large size, conformational instability, and structural complexity. These inherent limitations can be overcome by using epitope imprinting. Significant breakthroughs in the synthesis and application of epitope-imprinted polymers (EIPs) have been achieved and reported. This review highlights recent advances in epitope imprinting, from the selection of epitope peptide sequences and functional monomers to the methods applied in polymerization and template removal. Technological innovations in detection and extraction of proteins by EIPs are also provided.
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Affiliation(s)
- Tabkrich Khumsap
- Department of Food, Agriculture and Bioresources, School of Environment, Resources and Development, Asian Institute of Technology 58 Moo 9, Km. 42, Paholyothin Highway Klong Luang Pathumthani 12120 Thailand
| | - Angelica Corpuz
- Department of Food, Agriculture and Bioresources, School of Environment, Resources and Development, Asian Institute of Technology 58 Moo 9, Km. 42, Paholyothin Highway Klong Luang Pathumthani 12120 Thailand
| | - Loc Thai Nguyen
- Department of Food, Agriculture and Bioresources, School of Environment, Resources and Development, Asian Institute of Technology 58 Moo 9, Km. 42, Paholyothin Highway Klong Luang Pathumthani 12120 Thailand
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Dong C, Shi H, Han Y, Yang Y, Wang R, Men J. Molecularly imprinted polymers by the surface imprinting technique. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2020.110231] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Point-of-Care Diagnostics: Molecularly Imprinted Polymers and Nanomaterials for Enhanced Biosensor Selectivity and Transduction. EUROBIOTECH JOURNAL 2020. [DOI: 10.2478/ebtj-2020-0023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Abstract
Significant healthcare disparities resulting from personal wealth, circumstances of birth, education level, and more are internationally prevalent. As such, advances in biomedical science overwhelmingly benefit a minority of the global population. Point-of-Care Testing (POCT) can contribute to societal equilibrium by making medical diagnostics affordable, convenient, and fast. Unfortunately, conventional POCT appears stagnant in terms of achieving significant advances. This is attributed to the high cost and instability associated with conventional biorecognition: primarily antibodies, but nucleic acids, cells, enzymes, and aptamers have also been used. Instead, state-of-the-art biosensor researchers are increasingly leveraging molecularly imprinted polymers (MIPs) for their high selectivity, excellent stability, and amenability to a variety of physical and chemical manipulations. Besides the elimination of conventional bioreceptors, the incorporation of nanomaterials has further improved the sensitivity of biosensors. Herein, modern nanobiosensors employing MIPs for selectivity and nanomaterials for improved transduction are systematically reviewed. First, a brief synopsis of fabrication and wide-spread challenges with selectivity demonstration are presented. Afterward, the discussion turns to an analysis of relevant case studies published in the last five years. The analysis is given through two lenses: MIP-based biosensors employing specific nanomaterials and those adopting particular transduction strategies. Finally, conclusions are presented along with a look to the future through recommendations for advancing the field. It is hoped that this work will accelerate successful efforts in the field, orient new researchers, and contribute to equitable health care for all.
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Ermolaeva TN, Farafonova OV, Chernyshova VN, Zyablov AN, Tarasova NV. A Piezoelectric Sensor Based on Nanoparticles of Ractopamine Molecularly Imprinted Polymers. JOURNAL OF ANALYTICAL CHEMISTRY 2020. [DOI: 10.1134/s1061934820100068] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Sorribes-Soriano A, Armenta S, Esteve- Turrillas F, Herrero-Martínez J. Tuning the selectivity of molecularly imprinted polymer extraction of arylcyclohexylamines: From class-selective to specific. Anal Chim Acta 2020; 1124:94-103. [DOI: 10.1016/j.aca.2020.05.035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 05/13/2020] [Accepted: 05/14/2020] [Indexed: 12/17/2022]
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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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Rational design and synthesis of molecularly imprinted polymers (MIP) for purifying tylosin by seeded precipitation polymerization. Process Biochem 2020. [DOI: 10.1016/j.procbio.2020.03.025] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Li H, Ren C, Meng J, Gao Y, Ren T, Li Y, Qiao Y, Liu C, Che G. Multifunction Sandwich Composite SERS Imprinted Sensor Based on ZnO/GO/Ag for Selective Detection of Cyfluthrin in River. ChemistrySelect 2020. [DOI: 10.1002/slct.202001155] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Hongji Li
- Key Laboratory of Preparation and Applications of Environmental Friendly MaterialsJilin Normal University), Ministry of Education Changchun 130103 P.R. China
- College of Environmental Science and EngineeringJilin Normal University Siping 136000 China
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of EducationJilin Normal University Changchun 130103 P.R. China
| | - Chuqi Ren
- College of Environmental Science and EngineeringJilin Normal University Siping 136000 China
| | - Jingjing Meng
- School of Environment and PlanningLiaocheng University Liaocheng 252000 P.R. China
| | - Yan Gao
- College of Environmental Science and EngineeringJilin Normal University Siping 136000 China
| | - Tong Ren
- College of Environmental Science and EngineeringJilin Normal University Siping 136000 China
| | - Yue Li
- College of ChemistryJilin Normal University Siping 136000 P.R. China
| | - Yu Qiao
- Key Laboratory of Preparation and Applications of Environmental Friendly MaterialsJilin Normal University), Ministry of Education Changchun 130103 P.R. China
- College of ChemistryJilin Normal University Siping 136000 P.R. China
| | - Chunbo Liu
- Key Laboratory of Preparation and Applications of Environmental Friendly MaterialsJilin Normal University), Ministry of Education Changchun 130103 P.R. China
- College of Environmental Science and EngineeringJilin Normal University Siping 136000 China
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of EducationJilin Normal University Changchun 130103 P.R. China
| | - Guangbo Che
- Key Laboratory of Preparation and Applications of Environmental Friendly MaterialsJilin Normal University), Ministry of Education Changchun 130103 P.R. China
- College of Environmental Science and EngineeringJilin Normal University Siping 136000 China
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of EducationJilin Normal University Changchun 130103 P.R. China
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Chen Z, Liu X, Huang C, Li J, Shen X. Artificial Cytochrome c Mimics: Graphene Oxide-Fe(III) Complex-Coated Molecularly Imprinted Colloidosomes for Selective Photoreduction of Highly Toxic Pollutants. ACS APPLIED MATERIALS & INTERFACES 2020; 12:6615-6626. [PMID: 31904207 DOI: 10.1021/acsami.9b19186] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Our previous works showed that the molecularly imprinted TiO2 photocatalyst has been one of the most efficient materials for selective photooxidation of highly toxic organic pollutants (HTOPs) from complicated wastewater. However, some highly toxic pollutants (e.g., heavy metals) are very stable under the oxidizing environment. Therefore, the design of enzyme-like catalysts to selectively reduce highly toxic pollutants is extremely needed. In this work, inspired by the bioreduction ability of cytochrome c (cyt c, a heme containing metalloprotein), we presented a simple and efficient way to generate an artificial cyt c mimic (ACM) using graphene oxide (GO)-Fe(III) complex-coated molecularly imprinted colloidosomes. Prior to loading of Fe(III) centers to GO for constructing ACMs, GO-coated molecularly imprinted colloidosomes were synthesized via Pickering emulsion polymerization. Similar to a nature cyt c, the ACM contained both the molecular recognition element (molecularly imprinted cavity) and the non-heme electron sink (GO-Fe(III) complex), which resulted in the ACMs having good selectivity toward the enzyme-like reduction of the highly toxic target Cr(VI). Moreover, by using HepG2 cells as model cells, the Cr(VI) solution after treating by ACMs was proved to be safe and nontoxic. To confirm that the present method was universal for constructing ACMs, various GO-Fe(III) complex-coated molecularly imprinted colloidosomes, which could selectively photoreduce other highly toxic inorganic ions and organic pollutants, were also investigated. The ACMs described herein will act as a vector that encourages the design of more functional non-heme enzymes in sensing, environmental separation, clinical diagnose, and delivery of therapeutic agents.
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Affiliation(s)
- Zhiliang Chen
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health , Tongji Medical College, Huazhong University of Science and Technology , #13 Hangkong Road , Wuhan , Hubei 430030 , China
- Department of Forensic Medicine , Huazhong University of Science and Technology , #13 Hangkong Road , Wuhan , Hubei 430030 , China
| | - Xiaojie Liu
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health , Tongji Medical College, Huazhong University of Science and Technology , #13 Hangkong Road , Wuhan , Hubei 430030 , China
| | - Chuixiu Huang
- Department of Forensic Medicine , Huazhong University of Science and Technology , #13 Hangkong Road , Wuhan , Hubei 430030 , China
| | - Jilai Li
- Institute of Theoretical Chemistry , Jilin University , Changchun , Jilin 130023 , China
| | - Xiantao Shen
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health , Tongji Medical College, Huazhong University of Science and Technology , #13 Hangkong Road , Wuhan , Hubei 430030 , China
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Abbas N, Hayat M, Fatima H, Manzoor S, Nawaz S, Mabood F, Yasmean G, Majeed A, Manzoor S. Template-assisted polymeric spherules for the solid phase extraction of chlorfenapyr from contaminated water. SEP SCI TECHNOL 2020. [DOI: 10.1080/01496395.2020.1718707] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Naseem Abbas
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Muhammad Hayat
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Hira Fatima
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Sadia Manzoor
- Department of Analytical Chemistry, Complutense University of Madrid, Madrid, Spain
| | - Sana Nawaz
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Fazal Mabood
- Department of Biological Sciences and Chemistry, University of Nizwa, Nizwá, Oman
| | - Ghazala Yasmean
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Abdul Majeed
- Faculty of Pharmacy, Bahauddin Zakariya University, Multan, Pakistan
| | - Suryyia Manzoor
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
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Abstract
Taking into account the excellent catalytic performance of halloysite nanotubes, the main focus of this review article is to unveil the research on halloysite nanotubes for the preparation of solid acids and their applications in acid catalysis.
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Affiliation(s)
- Aman Mahajan
- Department of Applied Sciences and Humanities
- Model Institute of Engineering and Technology
- Kot Bhalwal
- India
| | - Princy Gupta
- Department of Chemistry and Chemical Sciences
- Central University of Jammu
- Rahya-Suchani (Bagla)
- Jammu-181143
- India
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38
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Nicholls IA, Wiklander JG. Towards Peptide and Protein Recognition by Antibody Mimicking Synthetic Polymers – Background, State of the Art, and Future Outlook. Aust J Chem 2020. [DOI: 10.1071/ch20020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Antibody–peptide/protein interactions are instrumental for many processes in the pharmaceutical and biotechnology industries and as tools for biomedical and biochemical research. The recent development of molecularly imprinted polymer nanoparticles displaying antibody-like recognition of peptides and proteins offers the possibility for substituting antibodies with these robust materials for applications where the structural integrity and function of antibodies is compromised by temperature, pH, solvent, etc. The background to the development of this class of antibody-mimicking material and the state-of-the-art in their synthesis and application is presented in this review.
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Zhang H. Molecularly Imprinted Nanoparticles for Biomedical Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1806328. [PMID: 31090976 DOI: 10.1002/adma.201806328] [Citation(s) in RCA: 137] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 02/28/2019] [Indexed: 06/09/2023]
Abstract
Molecularly imprinted polymers (MIPs) are synthetic receptors with tailor-made recognition sites for target molecules. Their high affinity and selectivity, excellent stability, easy preparation, and low cost make them promising substitutes to biological receptors in many applications where molecular recognition is important. In particular, spherical MIP nanoparticles (or nanoMIPs) with diameters typically below 200 nm have drawn great attention because of their high surface-area-to-volume ratio, easy removal of templates, rapid binding kinetics, good dispersion and handling ability, undemanding functionalization and surface modification, and their high compatibility with various nanodevices and in vivo biomedical applications. Recent years have witnessed significant progress made in the preparation of advanced functional nanoMIPs, which has eventually led to the rapid expansion of the MIP applications from the traditional separation and catalysis fields to the burgeoning biomedical areas. Here, a comprehensive overview of key recent advances made in the preparation of nanoMIPs and their important biomedical applications (including immunoassays, drug delivery, bioimaging, and biomimetic nanomedicine) is presented. The pros and cons of each synthetic strategy for nanoMIPs and their biomedical applications are discussed and the present challenges and future perspectives of the biomedical applications of nanoMIPs are also highlighted.
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Affiliation(s)
- Huiqi Zhang
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
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40
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Zhang Y, Gao W, Ji S, Zhao D, Bai X, Xue H, Jia N. An ingenious molecularly imprinted photo-induced sensor for ultrasensitive determination of sulfadiazine based on the urchin-shaped Bi2S3. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.134619] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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41
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Ezzat S, A Ahmed M, E Amr AEG, A Al-Omar M, H Kamel A, Khalifa NM. Single-Piece All-Solid-State Potential Ion-Selective Electrodes Integrated with Molecularly Imprinted Polymers (MIPs) for Neutral 2,4-Dichlorophenol Assessment. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2924. [PMID: 31510026 PMCID: PMC6766229 DOI: 10.3390/ma12182924] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Revised: 09/02/2019] [Accepted: 09/03/2019] [Indexed: 01/13/2023]
Abstract
A novel single-piece all-solid-state ion-selective electrode (SC/ISE) based on carbon-screen printed is introduced. Polyaniline (PANI) is dissolved in a membrane cocktail that contains the same components used for making a conventional ion-selective polyvinyl chloride (PVC) matrix membrane. The membrane, having the PANI, is directly drop-casted on a carbon substrate (screen-printed-carbon electrode). PANI was added to act as an intermediary between the substrate and the membrane for the charge transfer process. Under non-equilibrium sensing mechanism, the sensors revealed high sensitivity towards 2,4-dichlorophenol (DCP) over the linearity range 0.47 to 13 µM and a detection limit 0.13 µm. The selectivity was measured by the modified separate solution method (MSSM) and showed good selectivity towards 2,4-DCP over the most commonly studied ions. All measurements were done in 30 mm Tris buffer solution at a pH 5.0. Using constant-current chronopotentiometry, the potential drift for the proposed electrodes was checked. Improvement in the potential stability of the SPE was observed after the addition of PANI in the sensing membrane as compared to the corresponding coated-wire electrode (membrane without PANI). The applicability of the sensor has been checked by measuring 2,4-DCP in different water samples and the results were compared with the standard HPLC method.
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Affiliation(s)
- Samar Ezzat
- Department of Chemistry, Faculty of Science, Ain Shams University, 11566 Cairo, Egypt.
- Chemistry Department, College for Women, Ain Shams University, Heliopolis, 11751 Cairo, Egypt.
| | - Mona A Ahmed
- Chemistry Department, College for Women, Ain Shams University, Heliopolis, 11751 Cairo, Egypt.
| | - Abd El-Galil E Amr
- Pharmaceutical Chemistry Department, Drug Exploration & Development Chair (DEDC), College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia.
- Applied Organic Chemistry Department, National Research Center, 12622 Giza, Egypt.
| | - Mohamed A Al-Omar
- Pharmaceutical Chemistry Department, Drug Exploration & Development Chair (DEDC), College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia.
| | - Ayman H Kamel
- Department of Chemistry, Faculty of Science, Ain Shams University, 11566 Cairo, Egypt.
| | - Nagy M Khalifa
- Pharmaceutical Chemistry Department, Drug Exploration & Development Chair (DEDC), College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia.
- Applied Organic Chemistry Department, National Research Center, 12622 Giza, Egypt.
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Hydrophilic molecularly imprinted dispersive solid-phase extraction coupled with liquid chromatography for determination of azoxystrobin residues in cucumber. IRANIAN POLYMER JOURNAL 2019. [DOI: 10.1007/s13726-019-00735-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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43
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Molecularly Imprinted Polymer Thin-Film Electrochemical Sensors. Methods Mol Biol 2019. [PMID: 31309479 DOI: 10.1007/978-1-4939-9616-2_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
Preparation of potentiometric and amperometric sensors with thin-film membranes based on molecularly imprinted polymers (MIP) is described. Spherical MIP microparticles with diameter below 1 μm are suitable for incorporation into the sensing membrane by the deposition of a conducting polymer on the electrode surface. This is achieved through electropolymerization from the suspension of MIP particles in monomer solution. Procedures of the synthesis of MIP particles, preparation of sensing membranes, and analytical application of potentiometric and amperometric sensors with MIP-modified membranes are described.
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Aggregation-induced emission luminogen based molecularly imprinted ratiometric fluorescence sensor for the detection of Rhodamine 6G in food samples. Food Chem 2019; 287:55-60. [DOI: 10.1016/j.foodchem.2019.02.081] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 12/25/2018] [Accepted: 02/20/2019] [Indexed: 01/10/2023]
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45
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Zhang WJ, Li D, Xu Y, Jiang Z, Chen Y, Wang P. Synthesis and Application of Novel Molecularly Imprinted Solid Phase Extraction Materials Based on Carbon Nanotubes for Determination of Carbofuran in Human Serum by High Performance Liquid Chromatography. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:5105-5112. [PMID: 31034223 DOI: 10.1021/acs.jafc.9b00967] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Novel molecularly imprinted polymers (MIPs) based on multiwalled carbon nanotubes (MWNTs) were synthesized using carbofuran as template, methacrylic acid as functional monomer, and trimethylolpropane trimethacrylate as cross-liking agent, respectively. Characterization results showed that the carbofuran MIPs have been successfully grafted onto the surface of MWNTs as a thin layer with high stability. The results of adsorption dynamics indicated that the synthesized MWNT-MIPs displayed a biphase adsorption profile and good selective recognition to carbofuran with equilibrium adsorption of 106.2 mg/g. The MWNTs-MIPs synthesized were further applied as the adsorbent material of solid-phase extraction (SPE) for the pretreatment of carbofuran in human serum, analyzed using high performance liquid chromatograph (HPLC). The recoveries obtained ranged from 89.0 ± 4.8 to 93.6 ± 3.2, showing that the MWNTs-MIPs-SPE system developed have specific recognition toward carbofuran. Results above indicated that the proposed system filled with synthesized MWNTs-MIPs provided a fast and selective extraction of carbofuran in serum.
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Affiliation(s)
- Wen-Ji Zhang
- Department of Forensic Medicine , Criminal Investigation Police University of China , Shenyang 110035 , P. R. China
| | - Dong Li
- Department of Forensic Chemistry , Criminal Investigation Police University of China , Shenyang 110035 , P. R. China
| | - Yingjian Xu
- Department of Forensic Chemistry , Criminal Investigation Police University of China , Shenyang 110035 , P. R. China
| | - Zhaolin Jiang
- Department of Forensic Chemistry , Criminal Investigation Police University of China , Shenyang 110035 , P. R. China
| | - Yang Chen
- Department of Forensic Chemistry , Criminal Investigation Police University of China , Shenyang 110035 , P. R. China
| | - Peng Wang
- Department of Forensic Medicine , Criminal Investigation Police University of China , Shenyang 110035 , P. R. China
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46
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Zhang Z, Li Y, Zhang X, Liu J. Molecularly imprinted nanozymes with faster catalytic activity and better specificity. NANOSCALE 2019; 11:4854-4863. [PMID: 30820498 DOI: 10.1039/c8nr09816f] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Nanozymes are nanomaterials mimicking the activity of natural enzymes, while most nanozymes lack substrate specificity. Molecular imprinting on nanozymes provides a simple solution to this problem, and the catalytic activity is also enhanced. To understand enhanced activity, a surface science approach is taken by dissecting the nanozyme reaction into adsorption of substrates, reaction, and product release. Each step is individually studied using reaction kinetics measurement, dynamic light scattering, UV-vis spectrometry. Enrichment of local substrate concentration due to imprinting is around 8-fold, and increased substrate concentration could contribute to increased activity. Diffusion of the substrate across the imprinted gel layer is studied by a pre-incubation experiment, also highlighting the difference between imprinted and non-imprinted gel layers. The activation energy is measured and a substrate-imprinted sample had the lowest activation energy of 13.8 kJ mol-1. Product release is also improved after imprinting as indicated by isothermal titration calorimetry using samples respectively imprinted with the substrate and the product. This study has rationalized improved activity and specificity of molecularly imprinted nanozymes and may guide further rational design of such materials.
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Affiliation(s)
- Zijie Zhang
- Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2L 3G1 Canada.
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Crapnell RD, Hudson A, Foster CW, Eersels K, Grinsven BV, Cleij TJ, Banks CE, Peeters M. Recent Advances in Electrosynthesized Molecularly Imprinted Polymer Sensing Platforms for Bioanalyte Detection. SENSORS (BASEL, SWITZERLAND) 2019; 19:E1204. [PMID: 30857285 PMCID: PMC6427210 DOI: 10.3390/s19051204] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 03/04/2019] [Accepted: 03/05/2019] [Indexed: 01/06/2023]
Abstract
The accurate detection of biological materials has remained at the forefront of scientific research for decades. This includes the detection of molecules, proteins, and bacteria. Biomimetic sensors look to replicate the sensitive and selective mechanisms that are found in biological systems and incorporate these properties into functional sensing platforms. Molecularly imprinted polymers (MIPs) are synthetic receptors that can form high affinity binding sites complementary to the specific analyte of interest. They utilise the shape, size, and functionality to produce sensitive and selective recognition of target analytes. One route of synthesizing MIPs is through electropolymerization, utilising predominantly constant potential methods or cyclic voltammetry. This methodology allows for the formation of a polymer directly onto the surface of a transducer. The thickness, morphology, and topography of the films can be manipulated specifically for each template. Recently, numerous reviews have been published in the production and sensing applications of MIPs; however, there are few reports on the use of electrosynthesized MIPs (eMIPs). The number of publications and citations utilising eMIPs is increasing each year, with a review produced on the topic in 2012. This review will primarily focus on advancements from 2012 in the use of eMIPs in sensing platforms for the detection of biologically relevant materials, including the development of increased polymer layer dimensions for whole bacteria detection and the use of mixed monomer compositions to increase selectivity toward analytes.
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Affiliation(s)
- Robert D Crapnell
- Faculty of Science & Engineering, Div. of Chemistry & Environmental Science, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester M1 5GD, UK.
| | - Alexander Hudson
- Faculty of Science & Engineering, Div. of Chemistry & Environmental Science, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester M1 5GD, UK.
| | - Christopher W Foster
- Faculty of Science & Engineering, Div. of Chemistry & Environmental Science, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester M1 5GD, UK.
| | - Kasper Eersels
- Sensor Engineering, Faculty of Science and Engineering, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands.
| | - Bart van Grinsven
- Sensor Engineering, Faculty of Science and Engineering, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands.
| | - Thomas J Cleij
- Sensor Engineering, Faculty of Science and Engineering, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands.
| | - Craig E Banks
- Faculty of Science & Engineering, Div. of Chemistry & Environmental Science, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester M1 5GD, UK.
| | - Marloes Peeters
- Faculty of Science & Engineering, Div. of Chemistry & Environmental Science, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester M1 5GD, UK.
- School of Engineering, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK.
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48
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Zheng C, Zhou Y, Jiao Y, Zhang H. Narrow or Monodisperse, Physically Cross-Linked, and “Living” Spherical Polymer Particles by One-Stage RAFT Precipitation Polymerization. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b02031] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Congguang Zheng
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), and College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Yan Zhou
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), and College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Yanpeng Jiao
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), and College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Huiqi Zhang
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), and College of Chemistry, Nankai University, Tianjin 300071, P. R. China
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Lim KF, Holdsworth CI. Effect of Formulation on the Binding Efficiency and Selectivity of Precipitation Molecularly Imprinted Polymers. Molecules 2018; 23:E2996. [PMID: 30453535 PMCID: PMC6278369 DOI: 10.3390/molecules23112996] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 11/05/2018] [Accepted: 11/13/2018] [Indexed: 11/16/2022] Open
Abstract
This study investigated the effect of feed formulation: the template:functional monomer (T:fM) and functional monomer:crosslinker (fM:X) ratios as well as the initiator concentration, on the binding performance and selectivity of caffeine (CAF) and theophylline (THP) imprinted polymers obtained by precipitation polymerisation in acetonitrile at 60 °C using methacrylic acid (MAA) and ethylene glycol dimethacrylate (EGDMA) as functional monomer and crosslinker, respectively. Template incorporation, monitored by quantitative ¹H-NMR spectroscopy, ranged from 8 to 77% and was found to be more favourable at both high and low T:fM ratios, low fM:X ratio and high initiator concentration. The resulting T:fM ratio in most MIPs were found to be lower than their feed ratios. Incorporation of THP into the polymers was observed to be consistently higher than CAF and, for most MIPs, the observed binding capacities represent less than 10% of the incorporated template. Improved imprinting factors were obtained from molecularly imprinted polymers (MIPs) with high crosslinker content, i.e., fM:X ratio of 1:10, and high initiator concentration, i.e., initiator:total monomer (I:tM) ratio of 1:5, while T:fM ratio (1:2 to 1:8) was found not to influence binding capacities and imprinting factors (IF). The NIPs showed no preference for either CAF or THP in competitive selectivity studies while MIPs were observed to bind preferentially to their template with THP displaying higher selectivity (72⁻94%) than CAF (63⁻84%). Template selectivity was observed to increase with increasing initiator concentration, with MIPs from I:tM ratio of 1:5 shown to be the most selective towards CAF (84%) and THP (93%). The fM:X ratio only showed minimal effect on MIP selectivity. Overall, for the MIP systems under study, template incorporation, binding capacity, imprinting factor and selectivity are enhanced at a faster rate of polymerisation using an I:tM ratio of 1:5. Polymer particles obtained were between 66 to 140 nm, with MIPs generally smaller than their NIP counterparts, and have been observed to decrease with increasing T:fM and fM:X ratios and increase with increasing initiator concentration.
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Affiliation(s)
- K Fremielle Lim
- Discipline of Chemistry, School of Environmental and Life Sciences, University of Newcastle, Callaghan 2308, NSW, Australia.
| | - Clovia I Holdsworth
- Discipline of Chemistry, School of Environmental and Life Sciences, University of Newcastle, Callaghan 2308, NSW, Australia.
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50
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Sun L, Guan J, Xu Q, Yang X, Wang J, Hu X. Synthesis and Applications of Molecularly Imprinted Polymers Modified TiO₂ Nanomaterials: A Review. Polymers (Basel) 2018; 10:E1248. [PMID: 30961173 PMCID: PMC6401937 DOI: 10.3390/polym10111248] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 11/02/2018] [Accepted: 11/08/2018] [Indexed: 12/12/2022] Open
Abstract
Titanium dioxide (TiO₂) nanomaterials have caused a widespread concern in the past several decades for their bulk characteristics and potential applications in many different areas. Lately, the combination between molecularly imprinted polymers (MIPs) and TiO₂ nanomaterials have been proven to improve the relative adsorption capacity, selectivity and accelerate the rate of mass transfer of analyte which is not possible using TiO₂ alone. Considering the unique performance of the MIPs modified TiO₂ nanomaterials, this review intends to give an overview of the recent progresses in the development of MIPs modified TiO₂ nanomaterials, the potential applications of their tailor-made characteristics. The limitations and challenges in this practically promising nanomaterials have also been raised and summarized. By means of the points raised in this article, we would like to provide some assistance for further development of preparation methodologies and the expansion of some potential applications in the field of MIPs modified TiO₂ nanomaterials.
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Affiliation(s)
- Lingna Sun
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China.
| | - Jie Guan
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China.
| | - Qin Xu
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China.
| | - Xiaoyu Yang
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China.
| | - Juan Wang
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China.
| | - Xiaoya Hu
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China.
- Guangling College, Yangzhou University, Yangzhou 225002, China.
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