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Wang Z, Dong Z, Shen X, Wu B. Molecularly Imprinted Polymers Using Yeast as a Supporting Substrate. Molecules 2023; 28:7103. [PMID: 37894582 PMCID: PMC10608888 DOI: 10.3390/molecules28207103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/24/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
Molecularly imprinted polymers (MIPs) have gained significant attention as artificial receptors due to their low cost, mild operating conditions, and excellent selectivity. To optimize the synthesis process and enhance the recognition performance, various support materials for molecular imprinting have been explored as a crucial research direction. Yeast, a biological material, offers advantages such as being green and environmentally friendly, low cost, and easy availability, making it a promising supporting substrate in the molecular imprinting process. We focus on the preparation of different types of MIPs involving yeast and elaborate on the specific roles it plays in each case. Additionally, we discuss the advantages and limitations of yeast in the preparation of MIPs and conclude with the challenges and future development trends of yeast in molecular imprinting research.
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Affiliation(s)
- Zhigang Wang
- School of Chemistry and Chemical Engineering, Hubei Polytechnic University, Huangshi 435003, China
| | - Zhuangzhuang Dong
- 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, Hangkong Road #13, Wuhan 430030, 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, Hangkong Road #13, Wuhan 430030, China
| | - Bin Wu
- Anheuser-Busch Management (Shanghai) Co., Ltd. Wuhan Branch, Wuhan 430051, China;
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Mintz Hemed N, Leal-Ortiz S, Zhao ET, Melosh NA. On-Demand, Reversible, Ultrasensitive Polymer Membrane Based on Molecular Imprinting Polymer. ACS NANO 2023; 17:5632-5643. [PMID: 36913954 PMCID: PMC10062346 DOI: 10.1021/acsnano.2c11618] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
The development of in vivo, longitudinal, real-time monitoring devices is an essential step toward continuous, precision health monitoring. Molecularly imprinted polymers (MIPs) are popular sensor capture agents that are more robust than antibodies and have been used for sensors, drug delivery, affinity separations, assays, and solid-phase extraction. However, MIP sensors are typically limited to one-time use due to their high binding affinity (>107 M-1) and slow-release kinetics (<10-4 μM/sec). To overcome this challenge, current research has focused on stimuli-responsive MIPs (SR-MIPs), which undergo a conformational change induced by external stimuli to reverse molecular binding, requiring additional chemicals or outside stimuli. Here, we demonstrate fully reversible MIP sensors based on electrostatic repulsion. Once the target analyte is bound within a thin film MIP on an electrode, a small electrical potential successfully releases the bound molecules, enabling repeated, accurate measurements. We demonstrate an electrostatically refreshed dopamine sensor with a 760 pM limit of detection, linear response profile, and accuracy even after 30 sensing-release cycles. These sensors could repeatedly detect <1 nM dopamine released from PC-12 cells in vitro, demonstrating they can longitudinally measure low concentrations in complex biological environments without clogging. Our work provides a simple and effective strategy for enhancing the use of MIPs-based biosensors for all charged molecules in continuous, real-time health monitoring and other sensing applications.
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Affiliation(s)
- Nofar Mintz Hemed
- Department
of Materials Science and Engineering, Stanford
University, Stanford, California 94305, United States
| | - Sergio Leal-Ortiz
- Department
of Psychiatry and Behavioral Sciences, Stanford
University, Stanford, California 94304, United States
| | - Eric T. Zhao
- Department
of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Nicholas A. Melosh
- Department
of Materials Science and Engineering, Stanford
University, Stanford, California 94305, United States
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Jumadilov T, Kondaurov R, Imangazy A. Application of the Remote Interaction Effect and Molecular Imprinting in Sorption of Target Ions of Rare Earth Metals. Polymers (Basel) 2022; 14:polym14020321. [PMID: 35054727 PMCID: PMC8778400 DOI: 10.3390/polym14020321] [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] [Received: 11/26/2021] [Revised: 12/29/2021] [Accepted: 01/04/2022] [Indexed: 12/04/2022] Open
Abstract
The goal of the present work is a comparative study of the effectiveness of the application of intergel systems and molecularly imprinted polymers for the selective sorption and separation of neodymium and scandium ions. The following physico-chemical methods of analysis were used in this study: colorimetry and atomic-emission spectroscopy. The functional polymers of polyacrylic acid (hPAA) and poly-4-vinylpyridine (hP4VP) in the intergel system undergo significant changes in the initial sorption properties. The remote interaction of the polymers in the intergel system hPAA–hP4VP provides mutual activation of these macromolecules, with subsequent transfer into a highly ionized state. The maximum sorption of neodymium and scandium ions is observed at molar ratios of 83%hPAA:17%hP4VP and 50%hPAA:50%hP4VP. Molecularly imprinted polymers MIP(Nd) and MIP(Sc) show good results in the sorption of Nd and Sc ions. Based on both these types of these macromolecular structures, principally new sorption methods have been developed. The method based on the application of the intergel system is cheaper and easier in application, but there is some accompanying sorption (about 10%) of another metal from the model solution during selective sorption and separation. Another method, based on the application of molecularly imprinted polymers, is more expensive and the sorption properties are higher, with the simultaneous sorption of the accompanying metal from the model solution.
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Affiliation(s)
- Talkybek Jumadilov
- Laboratory of Synthesis and Physicochemistry of Polymers, JSC “Institute of Chemical Sciences after A.B. Bekturov”, Sh. Valikhanov St. 106, Almaty 050010, Kazakhstan; (T.J.); (A.I.)
| | - Ruslan Kondaurov
- Laboratory of Synthesis and Physicochemistry of Polymers, JSC “Institute of Chemical Sciences after A.B. Bekturov”, Sh. Valikhanov St. 106, Almaty 050010, Kazakhstan; (T.J.); (A.I.)
- Department of Chemistry and Technology of Organic Substances, Natural Compounds and Polymers, Al-Farabi Kazakh National University, Al-Farabi Ave. 71, Almaty 050040, Kazakhstan
- Correspondence:
| | - Aldan Imangazy
- Laboratory of Synthesis and Physicochemistry of Polymers, JSC “Institute of Chemical Sciences after A.B. Bekturov”, Sh. Valikhanov St. 106, Almaty 050010, Kazakhstan; (T.J.); (A.I.)
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Preparation of Magnetic Molecularly Imprinted Polymers for Selective Recognition and Determination of Clenbuterol in Pork Samples. J CHEM-NY 2020. [DOI: 10.1155/2020/8820262] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Magnetic molecularly imprinted polymer (MMIP) was successfully synthesized with acrylamide as a functional monomer and clenbuterol (CLB) as a template molecule. The synthesized MMIPs were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier transform infrared spectrometry (FT-IR). MMIPs were used to identify and bind CLB as a solid phase extraction material. The experiment data were fitted by the Freundlich isotherm adsorption model. The results show that MMIPs have excellent recognition performance for CLB. MMIPs were successfully applied as adsorbents to preconcentrated CLB in pork samples and detected by HPLC with UV. The limit of detection (LOD) and limit of quantification (LOQ) were 4.27 μg/L and 14.2 μg/L, respectively. The spiked recovery rates ranged from 94.44% to 102.29%. Therefore, the prepared MMIPs can be used for selective preconcentration of CLB content in complex animal-derived food samples.
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Saylan Y, Denizli A. Advances in Molecularly Imprinted Systems: Materials, Characterization Methods and Analytical Applications. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411015666181214155042] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Introduction:
A molecular imprinting is one of the fascinating modification methods that
employ molecules as targets to create geometric cavities for recognition of targets in the polymeric
matrix. This method provides a broad versatility to imprint target molecules with different size,
three-dimensional structure and physicochemical features. In contrast to the complex and timeconsuming
laboratory surface modification procedures, this method offers a rapid, sensitive,
inexpensive, easy-to-use, and selective approach for the diagnosis, screening and monitoring
disorders. Owing to their unique features such as high selectivity, physical and chemical robustness,
high stability, low-cost and reusability of this method, molecularly imprinted polymers have become
very attractive materials and been applied in various applications from separation to detection.
Background:
The aims of this review are structured according to the fundamentals of molecularly
imprinted polymers involving essential elements, preparation procedures and also the analytical
applications platforms. Finally, the future perspectives to increase the development of molecularly
imprinted platforms.
Methods:
A molecular imprinting is one of the commonly used modification methods that apply
target as a recognition element itself and provide a wide range of versatility to replica other targets
with a different structure, size, and physicochemical features. A rapid, easy, cheap and specific
recognition approach has become one of the investigation areas on, especially biochemistry,
biomedicine and biotechnology. In recent years, several technologies of molecular imprinting method
have gained prompt development according to continuous use and improvement of traditional
polymerization techniques.
Results:
The molecularly imprinted polymers with excellent performances have been prepared and
also more exciting and universal applications have been recognized. In contrast to the conventional
methods, the imprinted systems have superior advantages including high stability, relative ease and
low cost of preparation, resistance to elevated temperature, and pressure and potential application to
various target molecules. In view of these considerations, molecularly imprinted systems have found
application in various fields of analytical chemistry including separation, purification, detection and
spectrophotometric systems.
Conclusion:
Recent analytical methods are reported to develop the binding kinetics of imprinted
systems by using the development of other technologies. The combined platforms are among the
most encouraging systems to detect and recognize several molecules. The diversity of molecular
imprinting methods was overviewed for different analytical application platforms. There is still a
requirement of more knowledge on the molecular features of these polymers. A next step would
further be the optimization of different systems with more homogeneous and easily reachable
recognition sites to reduce the laborious in the accessibility in the three-dimensional polymeric
materials in sufficient recognition features and also better selectivity and sensitivity for a wide range
of molecules.
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Affiliation(s)
- Yeşeren Saylan
- Department of Chemistry, Hacettepe University, 06800, Ankara, Turkey
| | - Adil Denizli
- Department of Chemistry, Hacettepe University, 06800, Ankara, Turkey
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Saylan Y, Denizli A. Molecularly Imprinted Polymer-Based Microfluidic Systems for Point-of-Care Applications. MICROMACHINES 2019; 10:mi10110766. [PMID: 31717964 PMCID: PMC6915378 DOI: 10.3390/mi10110766] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/06/2019] [Accepted: 11/08/2019] [Indexed: 01/14/2023]
Abstract
Fast progress has been witnessed in the field of microfluidic systems and allowed outstanding approaches to portable, disposable, low-cost, and easy-to-operate platforms especially for monitoring health status and point-of-care applications. For this purpose, molecularly imprinted polymer (MIP)-based microfluidics systems can be synthesized using desired templates to create specific and selective cavities for interaction. This technique guarantees a wide range of versatility to imprint diverse sets of biomolecules with different structures, sizes, and physical and chemical features. Owing to their physical and chemical robustness, cost-friendliness, high stability, and reusability, MIP-based microfluidics systems have become very attractive modalities. This review is structured according to the principles of MIPs and microfluidic systems, the integration of MIPs with microfluidic systems, the latest strategies and uses for point-of-care applications and, finally, conclusions and future perspectives.
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Molecularly Imprinted Polymers for Removal of Metal Ions: An Alternative Treatment Method. Biomimetics (Basel) 2018; 3:biomimetics3040038. [PMID: 31105259 PMCID: PMC6352701 DOI: 10.3390/biomimetics3040038] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Revised: 10/24/2018] [Accepted: 11/20/2018] [Indexed: 02/07/2023] Open
Abstract
Aquatic and terrestrial environment and human health have been seriously threatened with the release of metal-containing wastewater by the rapid growth in the industry. There are various methods which have been used for removal of ions from the environment, such as membrane filtration, ion exchange, membrane assisted liquid extraction and adsorption. As a sort of special innovation, a polymerization technique, namely molecular imprinting is carried out by specific identification for the target by mixing it with a functional monomer. After the polymerization occurred, the target ion can be removed with suitable methods. At the end of this process, specific cavities, namely binding sites, are able to recognize target ions selectively. However, the selectivity of the molecularly imprinted polymer is variable not only because of the type of ligand but also charge, size coordination number, and geometry of the target ion. In this review, metal ion-imprinted polymeric materials that can be applied for metal ion removal from different sources are discussed and exemplified briefly with different metal ions.
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Bitas D, Samanidou V. Molecularly Imprinted Polymers as Extracting Media for the Chromatographic Determination of Antibiotics in Milk. Molecules 2018; 23:E316. [PMID: 29393877 PMCID: PMC6017535 DOI: 10.3390/molecules23020316] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 01/26/2018] [Accepted: 02/01/2018] [Indexed: 11/16/2022] Open
Abstract
Milk-producing animals are typically kept stationary in overcrowded large-scale farms and in most cases under unsanitary conditions, which promotes the development of infections. In order to maintain sufficient health status among the herd or promote growth and increase production, farmers administer preventative antibiotic doses to the animals through their feed. However, many antibiotics used in cattle farms are intended for the treatment of bacterial infections in humans. This results in the development of antibiotic-resistant bacteria which pose a great risk for public health. Additionally, antibiotic residues are found in milk and dairy products, with potential toxic effects for the consumers. Hence the need of antibiotic residues monitoring in milk arises. Analytical methods were developed for the determination of antibiotics in milk, with key priority given to the analyte extraction and preconcentration step. Extraction can benefit from the production of molecularly imprinted polymers (MIPs) that can be applied as sorbents for the extraction of specific antibiotics. This review focuses on the principals of molecular imprinting technology and synthesis methods of MIPs, as well as the application of MIPs and MIPs composites for the chromatographic determination of various antibiotic categories in milk found in the recent literature.
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Affiliation(s)
- Dimitrios Bitas
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
| | - Victoria Samanidou
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
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Zhang W, She X, Wang L, Fan H, Zhou Q, Huang X, Tang JZ. Preparation, Characterization and Application of a Molecularly Imprinted Polymer for Selective Recognition of Sulpiride. MATERIALS (BASEL, SWITZERLAND) 2017; 10:E475. [PMID: 28772831 PMCID: PMC5459076 DOI: 10.3390/ma10050475] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2017] [Revised: 04/09/2017] [Accepted: 04/24/2017] [Indexed: 11/30/2022]
Abstract
A novel molecular imprinting polymer (MIP) was prepared by bulk polymerization using sulpiride as the template molecule, itaconic acid (ITA) as the functional monomer and ethylene glycol dimethacrylate (EGDMA) as the crosslinker. The formation of the MIP was determined as the molar ratio of sulpiride-ITA-EGDMA of 1:4:15 by single-factor experiments. The MIP showed good adsorption property with imprinting factor α of 5.36 and maximum adsorption capacity of 61.13 μmol/g, and was characterized by scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FT-IR) and surface area analysis. With the structural analogs (amisulpride, tiapride, lidocaine and cisapride) and small molecules containing a mono-functional group (p-toluenesulfonamide, formamide and 1-methylpyrrolidine) as substrates, static adsorption, kinetic adsorption, and rebinding experiments were also performed to investigate the selective adsorption ability, kinetic characteristic, and recognition mechanism of the MIP. A serial study suggested that the highly selective recognition ability of the MIP mainly depended on binding sites provided by N-functional groups of amide and amine. Moreover, the MIP as solid-phase extractant was successfully applied to extraction of sulpiride from the mixed solution (consisted of p-toluenesulfonamide, sulfamethoxazole, sulfanilamide, p-nitroaniline, acetanilide and trimethoprim) and serum sample, and extraction recoveries ranged from 81.57% to 86.63%. The tentative tests of drug release in stimulated intestinal fluid (pH 6.8) demonstrated that the tablet with the MIP-sulpiride could obviously inhibit sulpiride release rate. Thus, ITA-based MIP is an efficient and promising alternative to solid-phase adsorbent for extraction of sulpiride and removal of interferences in biosample analysis, and could be used as a potential carrier for controlled drug release.
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Affiliation(s)
- Wei Zhang
- School of Basic Courses, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Xuhui She
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China.
- Guangzhou KingMed Center for Clinical Laboratory Co., Ltd., Guangzhou 510005, China.
| | - Liping Wang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China.
- China National Analytical Center Guangzhou, Guangzhou 510070, China.
| | - Huajun Fan
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Qing Zhou
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Xiaowen Huang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - James Z Tang
- Faculty of Science and Engineering, University of Wolverhampton, Wolverhampton WV1 1LY, UK.
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Kujawska M, Zhou T, Trochimczuk AW, Ye L. Synthesis of naproxen-imprinted polymer using Pickering emulsion polymerization. J Mol Recognit 2017; 31. [PMID: 28322471 DOI: 10.1002/jmr.2626] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 01/12/2017] [Accepted: 02/20/2017] [Indexed: 11/09/2022]
Abstract
For the last decades, molecular imprinting is developing intensively, especially in the case of the application of new imprinting techniques. In this work, for the first time, a Pickering emulsion polymerization was used to synthesize the S-naproxen-imprinted polymer spheres following a noncovalent protocol. To enhance the knowledge about imprinting process using mentioned technique, thorough analysis of the synthesis process was performed. Optimization of polymerization conditions included the selection of functional monomer, cross-linking agent, type of porogen, surfactant, and the choice of appropriate amount of the template and porogen. Prepared materials were characterized using scanning electron microscopy and nitrogen adsorption. To study the binding properties, the sorption studies, including adsorption isotherms and competitive binding, were performed. Investigation of the effect of the functional monomer on the selective recognition of S-naproxen showed that the interactions between the template molecule and 4-vinylpyridine resulted in the best recognizing ability. Moreover, the synthesis with application of ethylene glycol dimethacrylae as a cross-linker, toluene as a porogen, and Tween 20 as an additional emulsion stabilizer gave the most desired result. The optimal ratio of the porogen to monomers mixture was 0.1, due to the fact that the increase of the porogen volume resulted in the significant increase of nonspecific uptake. In addition, the tenfold molar excess of functional monomer relative to the template turned out to be optimal. Subsequent binding studies demonstrated that the material synthesized using optimized polymerization conditions consists of imprinted sites that are sensitive for the S-naproxen.
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Affiliation(s)
- Małgorzata Kujawska
- Faculty of Chemistry, Wrocław University of Science and Technology, Wrocław, Poland.,Division of Pure and Applied Biochemistry, Lund University, Lund, Sweden
| | - Tongchang Zhou
- Division of Pure and Applied Biochemistry, Lund University, Lund, Sweden
| | | | - Lei Ye
- Division of Pure and Applied Biochemistry, Lund University, Lund, Sweden
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Whole cell based microcontact imprinted capacitive biosensor for the detection of Escherichia coli. Biosens Bioelectron 2016; 87:807-815. [PMID: 27657842 DOI: 10.1016/j.bios.2016.08.096] [Citation(s) in RCA: 104] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 08/26/2016] [Accepted: 08/28/2016] [Indexed: 01/30/2023]
Abstract
In this study, a label-free, selective and sensitive microcontact imprinted capacitive biosensor was developed for the detection of Escherichia coli. The recognition of E. coli was successfully performed by this sensor prepared with the combination of microcontact imprinting method and capacitive biosensor technology. After preparation of bacterial stamps, microcontact-E. coli imprinted gold electrodes were generated using an amino acid based recognition element, N-methacryloyl-L-histidine methylester (MAH), 2-Hydroxyethyl methacrylate (HEMA) as monomers and ethyleneglycol dimethacrylate (EGDMA) as crosslinker under UV-polymerization. Real-time E. coli detection experiments were carried out within the range of 1.0×102-1.0×107CFU/mL. The unique combination of these two techniques provides selective detection with a detection limit of 70CFU/mL. The designed capacitive sensor has high selectivity and was able to distinguish E. coli when present together with competing bacterial strains which are known to have similar shape. In addition, the prepared sensor has the ability to detect E. coli with a recovery of 81-97% in e.g. river water.
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Kujawska M, Trochimczuk AW. Molecularly imprinted polymeric adsorbent for β-blockers removal synthesized using functionalized MSU-F silica as a sacrificial template. SEP SCI TECHNOL 2016. [DOI: 10.1080/01496395.2016.1200090] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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