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Parihar A, Sharma P, Choudhary NK, Khan R, Mostafavi E. Internet-of-things-integrated molecularly imprinted polymer-based electrochemical nano-sensors for pesticide detection in the environment and food products. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 351:124029. [PMID: 38663510 DOI: 10.1016/j.envpol.2024.124029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 01/28/2024] [Accepted: 04/21/2024] [Indexed: 05/03/2024]
Abstract
To ensure environmental and health safety, relevant pollutants such as pesticides must be screened thoroughly to set their permissible limit. Various approaches have been used to identify pesticides such as capillary electrophoresis, gas and liquid-liquid chromatography, high-performance liquid chromatography, and enzyme-linked immune-absorbent tests. However, these techniques have some drawbacks, including time-consuming difficult steps, expensive bulky equipment, expert personnel, and a lack of selectivity. Recent advances in the field of biosensing have introduced biosensors for the onsite detection of pesticides which offer several advantages including rapid, simple, selective, sensitive, low-cost operation, and on-site detection. With the advent of molecularly imprinted polymer which substituted the traditional biorecognition elements (BREs) such as enzymes and antibodies, biosensors' sensitivity, selectivity, and reproducibility enhanced many folds. Molecularly imprinted polymers (MIP) are artificial polymer molecules that resemble natural BREs. They are synthesized when functional monomers are polymerized in the presence of a target analyte. Owing to the advantages of MIP, in this paper, the development of MIP-based electrochemical biosensors for pesticide detection is reviewed critically. A brief introduction to pesticides and the use of MIPs-based electrochemical sensors for pesticide detection is presented along with pros and cons. Further, Internet of Things (IoT) integrated MIP-based nanosensors for pesticide detection and information distribution have been discussed. In the end, future perspectives and challenges while implementing MIP-based nanosensors for onsite pesticide recognition have eventually been highlighted.
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Affiliation(s)
- Arpana Parihar
- Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal, 462026, MP, India.
| | - Palak Sharma
- NIMS Institute of Allied Medical Science and Technology, NIMS University, Jaipur, 303121, Rajasthan, India
| | - Nishant Kumar Choudhary
- NIMS Institute of Allied Medical Science and Technology, NIMS University, Jaipur, 303121, Rajasthan, India
| | - Raju Khan
- Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal, 462026, MP, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Ebrahim Mostafavi
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, 94305, USA; Department of Medicine, Stanford University School of Medicine, Stanford, CA, 94305, USA
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Li J, Li Z, Song Y, Zhang X, Xie H, Sheng S, Zou H. 3D/1D Fe 3O 4@TiO 2/TC-TiO 2/SiO 2 Magnetic Inorganic-Framework Molecularly Imprinted Fibers for Targeted Photodegradation. Inorg Chem 2024; 63:10568-10584. [PMID: 38800842 DOI: 10.1021/acs.inorgchem.4c00928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
To achieve a selective degradation of pollutants in a water body, 3D/1D magnetic molecularly imprinted fibers Fe3O4@TiO2/TC-TiO2/SiO2 were fabricated by an electrospinning method. The molecularly imprinted layer was successfully prepared by a direct imprinting method using TiO2 as a functional monomer. Fe3O4 facilitates the catalyst recovery and light utilization. The as-prepared fibrous photocatalyst has a large specific surface area of 132.4 m2/g. The successful generation of imprinted sites was proven by various characterizations. The weak interaction between the inorganic functional monomer and tetracycline (TC) was determined to be van der Waals force and hydrogen bonds by the IGMH isosurface theory. The construction of the 3D/1D homojunction of molecularly imprinted materials is beneficial to charge transfer. The as-prepared photocatalyst exhibits a high selectivity coefficient α = 737.38 competing with RhB. The TC removal efficiency reached 100% within only 20 min. In addition, the possible degradation pathway and the degradation mechanism are reasonably proposed. This work not only provides an in-depth mechanism of the weak interaction between the inorganic molecularly imprinted functional monomer and pollutant molecules but also offers new thoughts on the fabrication of photocatalysts for the effective and selective treatment of pollutants in water bodies.
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Affiliation(s)
- Jingyao Li
- Department of Chemical Engineering and Applied Chemistry, College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, PR China
| | - Zhongliang Li
- Department of Chemical Engineering and Applied Chemistry, College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, PR China
| | - Yanhua Song
- Department of Chemical Engineering and Applied Chemistry, College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, PR China
| | - Xiaozhen Zhang
- Department of Chemical Engineering and Applied Chemistry, College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, PR China
| | - Haijiao Xie
- Hangzhou Yanqu Information Technology Co., Ltd., No. 712 Wen'er West Road, Hangzhou 310003, PR China
| | - Shihou Sheng
- China-Japan Union Hospital of Jilin University Department of Gastrointestinal Surgery, Changchun 130012, China
| | - Haifeng Zou
- Department of Chemical Engineering and Applied Chemistry, College of Chemistry, Jilin University, Qianjin Street 2699, Changchun 130012, PR China
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Cong S, Lan T, Wang Y, Zu L, Dong S, Zhang Z, Xu J. Titanium Dioxide and Calcium Sulfate Whiskers Are Used for the Preparation of High Performance Polypropylene and Reduce White Pollution. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:11056-11066. [PMID: 38739782 DOI: 10.1021/acs.langmuir.4c00547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
The anti-aging agent TiO2-polyacrylonitrile (PAN) and the mechanical strengthening agent CSW-PAN were prepared by radical polymerization using rutile nano-titanium dioxide (TiO2) and anhydrous calcium sulfate whisker (CSW) as raw materials. The structures of TiO2-PAN and CSW-PAN were characterized using Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS). Simultaneously, the mechanical properties, aging properties, and thermal stability of TiO2-PAN/CSW-PAN/polypropylene (PP) composites were studied, and the results showed that the surfaces of nano-titanium dioxide and calcium sulfate whiskers were successfully grafted with acrylonitrile. Owing to the introduction of new elements, such as acrylonitrile, nano-titanium dioxide and calcium sulfate whiskers have anti-aging properties. In comparison of the impact strength and tensile strength of TiO2-PAN/PP and TiO2-PAN/CSW-PAN/PP before aging, it can be proven that adding CSW-PAN can significantly enhance the mechanical properties of TiO2-PAN/CSW-PAN/PP. After 1000 h of aging, the tensile strength of the ternary composite TiO2-PAN/CSW-PAN/PP was 19.88 MPa when the addition amount of TiO2-PAN and CSW-PAN was 3%. Moreover, the impact strength of the ternary composite material TiO2-PAN/CSW-PAN/PP after 1000 h of aging is even better than that of non-aging pure PP materials, proving that the service life of improved PP products is extended, unnecessary waste and environmental pollution can be relieved, and the needs of specific engineering fields can be met.
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Affiliation(s)
- Shanshan Cong
- School of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, People's Republic of China
- College of Materials Science and Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, People's Republic of China
| | - Tianyu Lan
- College of Materials Science and Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, People's Republic of China
- Northeast Petroleum University Applied Technology Research Institute, Northeast Petroleum University, Daqing, Heilongjiang 163318, People's Republic of China
- Colege of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polmeric Composition Material, Qiqihar University, Qiqihar, Heilongjiang 161006, People's Republic of China
| | - Yazhen Wang
- Colege of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polmeric Composition Material, Qiqihar University, Qiqihar, Heilongjiang 161006, People's Republic of China
| | - Liwu Zu
- Colege of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polmeric Composition Material, Qiqihar University, Qiqihar, Heilongjiang 161006, People's Republic of China
| | - Shaobo Dong
- Colege of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polmeric Composition Material, Qiqihar University, Qiqihar, Heilongjiang 161006, People's Republic of China
| | - Zuoyuan Zhang
- Colege of Materials Science and Engineering, Heilongjiang Province Key Laboratory of Polmeric Composition Material, Qiqihar University, Qiqihar, Heilongjiang 161006, People's Republic of China
| | - Jiahang Xu
- Engineering Geological Technology Group, Underground Operation Branch, Daqing Oilfeld Company, Daqing, Heilongjiang 163318, People's Republic of China
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Kubiak A, Stachowiak M, Cegłowski M. Unveiling the Latest Developments in Molecularly Imprinted Photocatalysts: A State-of-the-Art Review. Polymers (Basel) 2023; 15:4152. [PMID: 37896395 PMCID: PMC10611036 DOI: 10.3390/polym15204152] [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: 08/30/2023] [Revised: 09/27/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
Responding to the growing concerns about environmental pollutants, scientists are increasingly turning to innovative solutions rooted in the field of environmental science. One such promising avenue combines the robustness of traditional photocatalysis with the precision of molecular imprinting, leading to the proposition of molecularly imprinted photocatalysts (MIPCs). These MIPCs hold the potential to specifically target and eliminate environmental pollutants, marking them as a promising tool in modern environmental remediation. As researchers delve deeper into this field, the design and optimization of MIPCs have become hotbeds for scientific inquiry. This comprehensive overview delves into the multifaceted approaches to MIPC design, elucidating on aspects like the selection of appropriate photocatalytic bases, the pivotal role of templates, the choice of monomeric building blocks, and the integration of effective cross-linking agents. However, as with all burgeoning technologies, the development of MIPCs is not without its challenges. These potential impediments to the successful innovation and implementation of MIPCs are also explored.
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Affiliation(s)
| | | | - Michał Cegłowski
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznanskiego 8, PL-61614 Poznan, Poland; (A.K.); (M.S.)
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Trojanowicz M. Impact of nanotechnology on progress of flow methods in chemical analysis: A review. Anal Chim Acta 2023; 1276:341643. [PMID: 37573121 DOI: 10.1016/j.aca.2023.341643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 07/17/2023] [Accepted: 07/18/2023] [Indexed: 08/14/2023]
Abstract
In evolution of instrumentation for analytical chemistry as crucial technological breakthroughs should be considered a common introduction of electronics with all its progress in integration, and then microprocessors which was followed by a widespread computerization. It is seems that a similar role can be attributed to the introduction of various elements of modern nanotechnology, observed with a fast progress since beginning of this century. It concerns all areas of the applications of analytical chemistry, including also progress in flow analysis, which are being developed since the middle of 20th century. Obviously, it should not be omitted the developed earlier and analytically applied planar structures like lipid membranes or self-assembled monolayers They had essential impact prior to discoveries of numerous extraordinary nanoparticles such as fullerenes, carbon nanotubes and graphene, or nanocrystalline semiconductors (quantum dots). Mostly, due to catalytic effects, significantly developed surface and the possibility of easy functionalization, their application in various stages of flow analytical procedures can significantly improve them. The application of new nanomaterials may be used for the development of new detection methods for flow analytical systems in macro-flow setups as well as in microfluidics and lateral flow immunoassay tests. It is also advantageous that quick flow conditions of measurements may be helpful in preventing unfavorable agglomeration of nanoparticles. A vast literature published already on this subject (e.g. almost 1000 papers about carbon nanotubes and flow-injection analytical systems) implies that for this reviews it was necessary to make an arbitrary selection of reported examples of this trend, focused mainly on achievements reported in the recent decade.
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Affiliation(s)
- Marek Trojanowicz
- Laboratory of Nuclear Analytical Techniques, Institute of Nuclear Chemistry and Technology, Warsaw, Poland; Department of Chemistry, University of Warsaw, Poland.
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Pal M, Muinao T, Parihar A, Roy DK, Boruah HPD, Mahindroo N, Khan R. Biosensors based detection of novel biomarkers associated with COVID-19: Current progress and future promise. BIOSENSORS & BIOELECTRONICS: X 2022; 12:100281. [PMID: 36405494 PMCID: PMC9661549 DOI: 10.1016/j.biosx.2022.100281] [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: 09/04/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 11/16/2022]
Abstract
The pandemic situation of COVID-19 has caused global alarm in health care, devastating loss of lives, strangled economy, and paralysis of normal livelihood. The high inter-individual transmission rate created havoc in the global community. Although tremendous efforts are pitching in from across the globe to understand this disease, the clinical features seemed to have a wide range including fever, cough, and fatigue are the prominent features. Congestion, rhinorrhea, sore throat, and diarrhea are other less common features observed. The challenge of this disease lies in the difficulty in maneuvering the clinical course causing severe complications. One of the major causative factors for multi-organ failure in patients with severe COVID-19 complications is systemic vasculitis and cytokine-mediated coagulation disorders. Hence, effective markers trailing the disease severity and disease prognosis are urgently required for prompt medical treatment. In this review article, we have emphasized currently identified inflammatory, hematological, immunological, and biochemical biomarkers of COVID-19. We also discussed currently available biosensors for the detection of COVID-19-associated biomarkers & risk factors and the detection methods as well as their performances. These could be effective tools for rapid and more promising diagnoses in the current pandemic situation. Effective biomarkers and their rapid, scalable, & sensitive detection might be beneficial for the prevention of serious complications and the clinical management of the disease.
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Affiliation(s)
- Mintu Pal
- Biotechnology Group, Biological Sciences and Technology Division, CSIR-North East Institute of Science and Technology (NEIST), Academy of Scientific & Innovative Research (AcSIR), CSIR-NEIST Campus, Jorhat, Assam, 785006, India
- Department of Pharmacology, All India Institute of Medical Sciences (AIIMS), Bathinda, Punjab, 151001, India
| | - Thingreila Muinao
- Biotechnology Group, Biological Sciences and Technology Division, CSIR-North East Institute of Science and Technology (NEIST), Academy of Scientific & Innovative Research (AcSIR), CSIR-NEIST Campus, Jorhat, Assam, 785006, India
| | - Arpana Parihar
- CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal, 462026, MP, India
| | - Dilip Kumar Roy
- Department of Pharmaceutical Technology, JIS University, Kolkata, 700109, India
| | - Hari Prasanna Deka Boruah
- Biotechnology Group, Biological Sciences and Technology Division, CSIR-North East Institute of Science and Technology (NEIST), Academy of Scientific & Innovative Research (AcSIR), CSIR-NEIST Campus, Jorhat, Assam, 785006, India
- Government Model College, Kaziranga, Golaghat, Assam, 785609, India
| | - Neeraj Mahindroo
- School of Pharmacy, Dr. Vishwanath Karad MIT World Peace University, Pune, Maharashtra, 411038, India
| | - Raju Khan
- CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal, 462026, MP, India
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8
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Zuo HG, Liu XY, Du YQ, Xiong SY, Hao RQ, Huang ZF, Hu MH. Preparation of Novel Restricted Access Material-Surface Molecularly Imprinted Polymers via Reversible Addition-Fragmentation Chain Transfer Polymerization for 17β-Estradiol Determination in Milk Powder. JOURNAL OF ANALYTICAL CHEMISTRY 2022. [DOI: 10.1134/s1061934822090040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Han CS, Kaur U, Bai H, Roqueto dos Reis B, White R, Nawrocki RA, Voyles RM, Kang MG, Priya S. Invited review: Sensor technologies for real-time monitoring of the rumen environment. J Dairy Sci 2022; 105:6379-6404. [DOI: 10.3168/jds.2021-20576] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 09/27/2021] [Indexed: 01/05/2023]
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10
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Morsi SMM, Youssef AM, Kamal KH, Abd El‐Aziz ME. Molecular imprinted polymer for tramadol: Absorption and drug release studies. POLYM ENG SCI 2022; 62:883-900. [DOI: 10.1002/pen.25894] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 01/03/2022] [Indexed: 09/02/2023]
Abstract
AbstractSmart polymeric matrices based on 2‐vinyl pyridine (2‐VPY) and three different crosslinkers: ethylene glycol dimethacrylate (EGDMA), divinylbenzene (DVB), and trimethylolpropane trimethacrylate (TMPTMA) were prepared either by the imprinting technique of the tramadol molecule or conventionally by the free radical polymerization process. The polymers were used as sorbent materials for tramadol from its solutions. The polymers prepared by the imprinting technique demonstrated superior absorption of tramadol molecules than those prepared by the conventional method. The two sorbent materials constructed from TMPTMA, regardless of the method, achieved the highest absorption capacity compared with those prepared from EGDMA or DVB. It was found that loaded imprinted polymer released more tramadol than loaded nonimprinted polymer in all media. In the acidic medium, the protonation of the nitrogen atom in the pyridine ring ionized the chains and expanded the loaded pores leading to the rapid release over the neutral and alkaline media. Additionally, the isothermal studies of MIP3 and NIP3 were extremely fitted to Freundlich adsorption and the (D–R) isotherm, respectively, while the kinetic studies of both sorbents were fitted to the pseudo‐second‐order model.
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Affiliation(s)
- Samir M. M. Morsi
- Polymers and Pigments Department National Research Centre Giza Egypt
| | - Ahmed M. Youssef
- Packaging Materials Department National Research Centre Giza Egypt
| | - Kholod H. Kamal
- Water Pollution Research Department National Research Centre Giza Egypt
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El-hoshoudy AN. Experimental and Theoretical Investigation for Synthetic Polymers, Biopolymers and Polymeric Nanocomposites Application in Enhanced Oil Recovery Operations. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2022. [DOI: 10.1007/s13369-021-06482-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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12
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Label-Free Creatinine Optical Sensing Using Molecularly Imprinted Titanium Dioxide-Polycarboxylic Acid Hybrid Thin Films: A Preliminary Study for Urine Sample Analysis. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9070185] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Creatinine (CR) is a representative metabolic byproduct of muscles, and its sensitive and selective detection has become critical in the diagnosis of kidney diseases. In this study, poly(acrylic acid) (PAA)-assisted molecularly imprinted (MI) TiO2 nanothin films fabricated via liquid phase deposition (LPD) were employed for CR detection. The molecular recognition properties of the fabricated films were evaluated using fiber optic long period grating (LPG) and quartz crystal microbalance sensors. Imprinting effects were examined compared with nonimprinted (NI) pure TiO2 and PAA-assisted TiO2 films fabricated similarly without a template. In addition, the surface modification of the optical fiber section containing the LPG with a mesoporous base coating of silica nanoparticles, which was conducted before LPD-based TiO2 film deposition, contributed to the improvement of the sensitivity of the MI LPG sensor. The sensitivity and selectivity of LPGs coated with MI films were tested using CR solutions dissolved in different pH waters and artificial urine (near pH 7). The CR binding constants of the MI and NI films, which were calculated from the Benesi–Hildebrand plots of the wavelength shifts of the second LPG band recorded in water at pH 4.6, were estimated to be 67 and 7.8 M–1, respectively, showing an almost ninefold higher sensitivity in the MI film. The mechanism of the interaction between the template and the TiO2 matrix and the film composition was investigated via ultraviolet–visible and attenuated total reflectance Fourier-transform infrared spectroscopy along with X-ray photoelectron spectroscopy analysis. In addition, morphological studies using a scanning electron microscope and atomic force microscope were conducted. The proposed system has the potential for practical use to determine CR levels in urine samples. This LPG-based label-free CR biosensor is innovative and expected to be a new tool to identify complex biomolecules in terms of its easy fabrication and simplicity in methodology.
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Guan G, Pan JH, Li Z. Innovative utilization of molecular imprinting technology for selective adsorption and (photo)catalytic eradication of organic pollutants. CHEMOSPHERE 2021; 265:129077. [PMID: 33277000 DOI: 10.1016/j.chemosphere.2020.129077] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/28/2020] [Accepted: 11/19/2020] [Indexed: 06/12/2023]
Abstract
The rapid development of industrialization and urbanization results in a numerous production of various organic chemicals to meet the increasing demand in high-quality life. During the synthesis and utilization of these chemical products, their residues unavoidably emerged in environments to severely threaten human's health. It is thus urgent to exploit effective technology for readily removing the organic pollutants with high selectivity and good reusability. As one of the most promising approaches, molecular imprinting technology (MIT) employs a chemically synthetic route to construct artificial recognition sites in highly-crosslinked matrix with complementary cavity and functional groups to target species, which have been attracting more and more interest for environmental remediation, such as the selective adsorption/separation and improved catalytic degradation of pollutants. In this review, MIT is first introduced briefly to understand their preparing process, recognition mechanism and common imprinted systems. Then, their specific binding affinities are demonstrated for selectively adsorbing and removing target molecules with a large capacity. Furthermore, the innovative utilization of MIT in catalytic eradication of pollutants is comprehensively overviewed to emphasize their enhanced efficiency and improved performances, which are classified by the used catalytically-active nanocrystals and imprinted systems. After summarizing recent advances in these fields, some limitations are discussed and possible suggestions are given to guide the future exploitation on MIT for environmental protection.
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Affiliation(s)
- Guijian Guan
- Institute of Molecular Plus, Tianjin University, Tianjin, 300072, PR China
| | - Jia Hong Pan
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, China.
| | - Zibiao Li
- Institute of Materials Research and Engineering, A∗STAR, 2 Fusionopolis Way, Singapore, 138634, Singapore.
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Zhou H, Peng K, Su Y, Song X, Qiu J, Xiong R, He L. Preparation of surface molecularly imprinted polymer and its application for the selective extraction of teicoplanin from water. RSC Adv 2021; 11:13615-13623. [PMID: 35423866 PMCID: PMC8697609 DOI: 10.1039/d1ra00913c] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 03/18/2021] [Indexed: 12/31/2022] Open
Abstract
In this study, a new surface molecularly imprinted polymer (SMIP) of teicoplanin (TEC) was prepared in an aqueous solution using amino-modified silica gel as a carrier. The molar ratio of the template molecule, functional monomer and cross-linker in the optimized synthesis system was 1 : 15 : 40. The structure and morphology of SMIP were characterized by Fourier-transform infrared spectra and scanning electron microscopy, respectively. It was shown that the silica gel modified with different active groups; the type and structure of functional monomers have a great influence on the specificity of SMIP. The SMIPs synthesized from a series of methacrylic acid and its hydroxylalkyl esters as functional monomers have good specificity for TEC. The results of static adsorption experiments showed that the adsorption capacity of SMIP was 6.5 times that of non-molecularly imprinted polymer, which were 152.6 mg g−1 and 23.6 mg g−1, respectively, indicating that SMIP had a larger affinity for TEC. Finally, the SMIP was successfully used as a dispersive solid-phase extraction adsorption material to selectively extract and enrich TEC from the water sample. The limit of detection of the proposed liquid chromatographic method for TEC was 5 μg L−1. A novel surface molecularly imprinted polymer for specific absorbing teicoplanin in environmental water.![]()
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Affiliation(s)
- Hao Zhou
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
| | - Kanlin Peng
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
| | - Yijuan Su
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
| | - Xuqin Song
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
| | - Jingli Qiu
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
| | - Renping Xiong
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
| | - Limin He
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
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Wang Z, Srivastava V, Wang S, Sun H, Thangaraj SK, Jänis J, Sillanpää M. UVC-assisted photocatalytic degradation of carbamazepine by Nd-doped Sb2O3/TiO2 photocatalyst. J Colloid Interface Sci 2020; 562:461-469. [DOI: 10.1016/j.jcis.2019.11.094] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 11/18/2019] [Accepted: 11/23/2019] [Indexed: 01/06/2023]
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Pyrzynska K. Nanomaterials in speciation analysis of metals and metalloids. Talanta 2020; 212:120784. [PMID: 32113547 DOI: 10.1016/j.talanta.2020.120784] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/22/2020] [Accepted: 01/25/2020] [Indexed: 02/07/2023]
Abstract
Nanomaterials have draw extensive attention from the scientists in recent years mainly due to their unique and attractive thermal, mechanical and electronic properties, as well as high surface to volume ratio and the possibility for surface functionalization. Whereas mono functional nanomaterials providing a single function, the preparation of core/shell nanoparticles allows different properties to be combined in one material. Their properties have been extensively exploited in different extraction techniques to improve the efficiency of separation and preconcentration, analytical selectivity and method reliability. The aim of this paper is to provide an updated revision of the most important features and application of nanomaterials (metallic, silica, polymeric and carbon-based) for solid phase extraction and microextraction techniques in speciation analysis of some metals and metalloids (As, Cr, Sb, Se). Emphasis will be placed on the presentation of the most representative works published in the last five years (2015-2019).
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Affiliation(s)
- Krystyna Pyrzynska
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-93, Warsaw, Poland.
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Effects of mono-dentate and bi-dentate ligands on adsorption characteristics of Cu-ion-imprinted hybrids. RESEARCH ON CHEMICAL INTERMEDIATES 2019. [DOI: 10.1007/s11164-019-04018-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Zhao X, Mai Y, Chen D, Zhang M, Hu H. Selective Enrichment of Clenbuterol onto Molecularly Imprinted Polymer Microspheres with Tailor-made Structure and Oxygen Functionalities. Polymers (Basel) 2019; 11:E1635. [PMID: 31658613 PMCID: PMC6835586 DOI: 10.3390/polym11101635] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 10/03/2019] [Accepted: 10/07/2019] [Indexed: 01/15/2023] Open
Abstract
The noxious clenbuterol misapplied as the feed additive has posed an enormous threat to humans who actively rely on the food chains with high potential of contamination by clenbuterol, such as pork and beef. It is, therefore, highly desirable to develop novel materials and strategies for dealing with the clenbuterol. Herein, functional polymer microspheres prepared by Pickering emulsion polymerization were explored for the selective enrichment of the clenbuterol, and their structure and oxygen functionalities could be tailor-made by a molecular imprinting process. The clenbuterol imprinting was adequately demonstrated to not only increase the particle size (~52 nm vs. ~42 nm) and create cavities for the accommodation of the clenbuterol molecules, but also reduce the oxygen functionalities of the resulting molecularly imprinted polymer microspheres (MIPMs) by approximately 4 at.%, which is believed to correlate with the high specificity of the MIPMs. Various characterization methods were employed to evidence these findings, including scanning electron microscopy, BET measurements, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and elemental mapping examination. More importantly, the MIPMs showed a markedly superior enrichment capability towards clenbuterol to the counterpart, that is, non-molecularly imprinted polymer microspheres (NIPMs). Compared to the NIPMs without specificity for clenbuterol, the MIPMs exhibited an impressive selectivity to clenbuterol, with the relative selectivity coefficient (k') values largely exceeding 1, thus corroborating that the useful molecular imprinting led to the generation of the binding sites complementary to the clenbuterol molecule in the size and functionalities. The MIPMs were also employed as the stationary phase to fabricate molecularly imprinting solid-phase extraction column, and the spike recovery was demonstrated to be not significantly decreased even after nine cycles. Furthermore, the reliability of the method was also evidenced through the comparison of the MIPMs prepared from different batches.
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Affiliation(s)
- Xiangyun Zhao
- Guangdong Provincial Key Laboratory of Industrial Surfactant, Guangdong Research Institute of Petrochemical and Fine Chemical Engineering, Guangzhou 510006, China.
| | - Yuliang Mai
- Guangdong Provincial Key Laboratory of Industrial Surfactant, Guangdong Research Institute of Petrochemical and Fine Chemical Engineering, Guangzhou 510006, China.
| | - Dongchu Chen
- School of Materials Science and Energy Engineering, Foshan University, Foshan, Guangdong 528000, China.
| | - Min Zhang
- School of Materials Science and Energy Engineering, Foshan University, Foshan, Guangdong 528000, China.
| | - Huawen Hu
- School of Materials Science and Energy Engineering, Foshan University, Foshan, Guangdong 528000, China.
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Non-Resorbable Nanocomposite Membranes for Guided Bone Regeneration Based On Polysulfone-Quartz Fiber Grafted with Nano-TiO 2. NANOMATERIALS 2019; 9:nano9070985. [PMID: 31288413 PMCID: PMC6669488 DOI: 10.3390/nano9070985] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 06/29/2019] [Accepted: 07/01/2019] [Indexed: 12/11/2022]
Abstract
The polymer-inorganic nanoparticles composite membranes are the latest solutions for multiple physicochemical resistance and selectivity requirements of membrane processes. This paper presents the production of polysulfone-silica microfiber grafted with titanium dioxide nanoparticles (PSf-SiO2-TiO2) composite membranes. Silica microfiber of length 150-200 μm and diameter 12-15 μm were grafted with titanium dioxide nanoparticles, which aggregated as microspheres of 1-3 μm, applying the sol-gel method. The SiO2 microfibers grafted with nano-TiO2 were used to prepare 12% polysulfone-based nanocomposite membranes in N-methyl pyrrolidone through the inversion phase method by evaporation. The obtained nanocomposite membranes, PSf-SiO2-TiO2, have flux characteristics, retention, mechanical characteristics, and chemical oxidation resistance superior to both the polysulfone integral polymer membranes and the PSf-SiO2 composite membranes. The antimicrobial tests highlighted the inhibitory effect of the PSf-SiO2-TiO2 composite membranes on five Gram (-) microorganisms and did not allow the proliferation of Candida albicans strain, proving that they are suitable for usage in the oral environment. The designed membrane met the required characteristics for application as a functional barrier in guided bone regeneration.
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