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Afsordeh A, Arbabsadeghi A, Javanmardi H, Bagheri H. Incorporation of Cu-TATAB metal-organic framework within polyurethane nanocomposite for enhanced thin film microextraction of some chlorinated pesticides. J Chromatogr A 2024; 1730:465061. [PMID: 38909520 DOI: 10.1016/j.chroma.2024.465061] [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: 02/06/2024] [Revised: 05/23/2024] [Accepted: 06/07/2024] [Indexed: 06/25/2024]
Abstract
In this research, electrospun nanofibers based on copper-based metal organic framework (MOF)/polyurethane (PU) were prepared in order to achieve an applicable and superior extractive phase. The incorporation of MOF, in the synthesized nanocomposite contributed to the enhanced sorption efficiency. The prepared sorbent was implemented for the thin film microextraction (TFME) of target compounds with subsequent quantification using gas chromatography-mass spectrometry (GC-MS). To obtain the maximum efficiency of the synthesized sorbent, the influential parameters on extraction and desorption steps, including the MOF percentage in nanocomposite, desorption solvent type and its volume, desorption time, solution ionic strength and extraction time were optimized. After method development, the linear dynamic range (0.02-700 μg L-1), limits of detection (LODs) (0.005-0.1 μg L-1) and limits of quantification (LOQs))0.02-0.33 μg L-1(were calculated. The relative standard deviations values for intra-day and inter-day analysis were found to be in the range of 4.3-5.3 % and 6.2-8.1 %, respectively. The developed method was validated for the TFME of model organochlorine (OC) pesticide residues in fish, soil and water samples. the recovery values for the spiked samples at two concentration levels of 5 and 100 µg l-1 were found in the range of 72-110 %.
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Affiliation(s)
- Amirhosein Afsordeh
- Environmental and Bio-Analytical Laboratories, Department of Chemistry, Sharif University of Technology, P.O. Box 11365-9516, Tehran, Iran
| | - Amirreza Arbabsadeghi
- Environmental and Bio-Analytical Laboratories, Department of Chemistry, Sharif University of Technology, P.O. Box 11365-9516, Tehran, Iran
| | - Hasan Javanmardi
- Environmental and Bio-Analytical Laboratories, Department of Chemistry, Sharif University of Technology, P.O. Box 11365-9516, Tehran, Iran; Department of Chemistry, University of Waterloo, Ontario N2L 3G1 Waterloo, Canada
| | - Habib Bagheri
- Environmental and Bio-Analytical Laboratories, Department of Chemistry, Sharif University of Technology, P.O. Box 11365-9516, Tehran, Iran.
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2
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Eor P, Byington M, Anderson JL. Comparing π-complexation capabilities of ionic liquids containing silver(I) and copper(I) ions by headspace single drop microextraction in combination with high-performance liquid chromatography. J Sep Sci 2023; 46:e2300649. [PMID: 37811738 DOI: 10.1002/jssc.202300649] [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: 09/05/2023] [Revised: 09/25/2023] [Accepted: 09/25/2023] [Indexed: 10/10/2023]
Abstract
Selective π-complexation capabilities of silver(I) and copper(I) ions can be effectively facilitated in ionic liquids. To understand the effects of environmental factors that influence the π-complexation of these metal ions with analytes, techniques that employ small volumes of ionic liquid that can be readily analyzed are desired. In this study, headspace single drop microextraction coupled with HPLC is used to investigate a diverse set of environmental factors on the metal ion-mediated complexation with aromatic compounds in ionic liquid media. Silver(I) and copper(I) bis[(trifluoromethyl)sulfonyl]imide salts were both studied by dissolving them in the 1-decyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide ionic liquid and employing the mixture as extraction media for aromatic compounds. Water and acetonitrile within the sample solution were observed to interfere with the complexation of silver(I) ions and aromatic compounds, while ethylene glycol and triethylene glycol did not. The temperature and extraction times were optimized to fully facilitate the π-complexation capabilities of metal ions in ionic liquid media. Partition coefficients between the sample headspace and metal ion were determined using a three-phase equilibria model. Although no discernable difference in analyte partitioning between the headspace and ionic liquid solvent was observed, analyte partition coefficients to silver(I) ion tended to be greater compared to copper(I) ion.
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Affiliation(s)
- Philip Eor
- Ames National Laboratory-USDOE, Ames, Iowa, USA
- Department of Chemistry, Iowa State University, Ames, Iowa, USA
| | | | - Jared L Anderson
- Ames National Laboratory-USDOE, Ames, Iowa, USA
- Department of Chemistry, Iowa State University, Ames, Iowa, USA
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3
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Osooli P, Yamini Y, Tabibpour M, Moosavi NS. Functionalized carbon nanotube-polyaniline composite coating for on-line microextraction on a screw coupled with high performance liquid chromatography to determine opium alkaloids. Mikrochim Acta 2023; 190:464. [PMID: 37947885 DOI: 10.1007/s00604-023-06045-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 10/17/2023] [Indexed: 11/12/2023]
Abstract
A novel and efficient on-line microextraction on a screw coupled with high-performance liquid chromatography with an ultraviolet-visible detector was developed to extract and determine trace quantities of five opium alkaloids. All detections of the analytes were achieved at 210 nm. The surface of the screw grooves was electrochemically coated with the carbon nanotubes-COOH/polyaniline composite. The surface characterization was assessed by Fourier transform infrared spectroscopy and field emission scanning electron microscopy. The prepared screw was inserted into a cartridge of a guard column, and then the constructed microextraction on a screw device was placed in the loop of a six-port HPLC injection valve. The parameters affecting the extraction efficiency of the analytes were optimized using the one variable-at-a-time method. The effective parameters for the extraction efficiency of the analytes, including sample volume, extraction time, sampling flow rate, desorption solvent type, ionic strength, and pH were investigated and optimized. Under optimal conditions, the detection limits were 3-10 μg L-1, and the linear dynamic ranges were 10-2000 μg L-1 with a coefficient of determination greater than 0.9940. The inter-day and intra-day (n = 3) relative standard deviations were less than 7% and 5%, respectively. The proposed method was simple and reproducible, with an acceptable relative recovery (90-108%) for determining opium alkaloids in water and urine samples.
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Affiliation(s)
- Payam Osooli
- Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran
| | - Yadollah Yamini
- Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran.
| | - Mahmoud Tabibpour
- Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran
| | - Negar Sabahi Moosavi
- Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran
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4
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Lin J, Gao X, Gong L, Zhang X, Li T, Zhao F, Zeng B. An electrochemically fabricated ZIF-67/[HOEMIM]BF 4 coating for the solid-phase microextraction and detection of polycyclic aromatic hydrocarbons. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:4883-4891. [PMID: 37712204 DOI: 10.1039/d3ay01174g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Abstract
Coatings are considered to play a crucial role in solid-phase microextraction (SPME). In this work, a novel coating named ZIF-67/[HOEMIM]BF4 was fabricated through in situ potentiostatic electrodeposition in methanol solutions containing ZIF-67 precursors and 1-(2'-hydroxyethyl)-3-methylimidazolium tetrafluoroborate ([HOEMIM]BF4). Compared with the traditional solvothermal method, this method reduced the synthesis time and enabled ZIF-67 to grow directly on the surface of stainless-steel wire, effectively simplifying the preparation process and improving the coating reproducibility. Owing to the inherent characteristics such as high porosity and high thermal and mechanical stability, and the impressive morphological regulation and extraction function of [HOEMIM]BF4, the developed coating exhibited a prolonged service life and a better extraction capacity for trace polycyclic aromatic hydrocarbons (PAHs) compared to single ZIF-67 and commercial fibers. Under the optimal conditions, the linear range of the ZIF-67/[HOEMIM]BF4-based SPME-GC method was 0.01-500 μg L-1, and the detection limit was 0.27-5.2 ng L-1. When applied in the determination of PAHs in a real water sample, recoveries between 85.6-117.3% were obtained, indicating the potential of ZIF-67/[HOEMIM]BF4 in the high efficiency SPME and GC analysis of PAHs.
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Affiliation(s)
- Jingwen Lin
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
| | - Xuening Gao
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
| | - Linbo Gong
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
| | - Xiaoqing Zhang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
| | - Tianning Li
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
| | - Faqiong Zhao
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
| | - Baizhao Zeng
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, P. R. China.
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5
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Turazzi FC, Morés L, Carasek E, Barra GMDO. Polyaniline-silica doped with oxalic acid as a novel extractor phase in thin film solid-phase microextraction for determination of hormones in urine. J Sep Sci 2023; 46:e2300280. [PMID: 37400375 DOI: 10.1002/jssc.202300280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 07/05/2023]
Abstract
In this study, different polyanilines were synthesized and evaluated for the determination of three hormones, including 17-β-estradiol, 17-α-ethinylestradiol, and estrone, in urine using a novel methodology based on thin film solid-phase microextraction technique, employing the sampling well plate system. The extractor phases, designated as polyaniline doped with hydrochloric acid, polyaniline doped with oxalic acid, polyaniline-silica doped with hydrochloric acid, and polyaniline-silica doped with oxalic acid, were characterized by electrical conductivity measurements, scanning electron microscopy, and Fourier transform infrared spectroscopy. The optimized extraction conditions were composed of 1.5 mL of urine and pH adjusted to 10, with no need to dilute sample and the desorption step, 300 μL of acetonitrile was used. The calibration curves were performed in the sample matrix, with detection and quantification limits ranged from 0.30 to 3.03 μg L-1 and from 1.0 to 10.0 μg L-1 , respectively, with r ≥ 0.9969. The relative recoveries ranged from 71% to 115%, and intraday precision showed values ≤12% and interday ≤20%. The applicability of the method was successfully evaluated, and six urine samples from female volunteers were analyzed. The analytes were not detected or were below the limits of quantification in these samples.
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Affiliation(s)
| | - Lucas Morés
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - Eduardo Carasek
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis, Brazil
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Mametov R, Sagandykova G, Monedeiro-Milanowski M, Gabryś D, Pomastowski P. Electropolymerized polypyrrole-MOF composite as a coating material for SPME fiber for extraction VOCs liberated by bacteria. Sci Rep 2023; 13:8933. [PMID: 37264070 DOI: 10.1038/s41598-023-36081-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 05/29/2023] [Indexed: 06/03/2023] Open
Abstract
The synthesis of efficient and low-cost coatings for solid-phase microextraction attracted much attention. Conductive polymers are excellent candidates for this purpose due to the possibility of electropolymerization, which results in the reproducible synthesis of films. A plethora of studies reported in the literature concluded that modification of conductive polymers with innovative materials could lead to an increase in sensitivity toward specific analytes. In this work, the metal-organic framework-polypyrrole composite was electrodeposited in one step directly onto a stainless-steel substrate. The effect of synthesis parameters on extraction efficiency was investigated. The obtained PPy@ZIF-8 coating was subjected to physical-chemical characterization using electron microscopy and Fourier-transform IR spectroscopy. The main finding of the study was that the values of the limit of detection and intra- and inter-day reproducibility for analytes with different chemical structures were found to be lower as compared to pure polypyrrole coating. Furthermore, the obtained polypyrrole-MOF coating was applied for the collection of profiles of volatile organic compounds liberated by bacteria. Hence, the polypyrrole@ZIF-8 coating synthesized using a low-cost and facile approach presented in this study can be useful for the profiling of VOCs liberated by bacteria.
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Affiliation(s)
- Radik Mametov
- Centre for Modern Interdisciplinary Technologies, Nicolaus Copernicus University in Toruń, Wileńska 4, 87-100, Toruń, Poland.
| | - Gulyaim Sagandykova
- Centre for Modern Interdisciplinary Technologies, Nicolaus Copernicus University in Toruń, Wileńska 4, 87-100, Toruń, Poland
| | - Maciej Monedeiro-Milanowski
- Centre for Modern Interdisciplinary Technologies, Nicolaus Copernicus University in Toruń, Wileńska 4, 87-100, Toruń, Poland
| | - Dorota Gabryś
- Radiotherapy Department, Maria Sklodowska-Curie National Research and Institute of Oncology, Gliwice, Poland
| | - Paweł Pomastowski
- Centre for Modern Interdisciplinary Technologies, Nicolaus Copernicus University in Toruń, Wileńska 4, 87-100, Toruń, Poland
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7
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Sowa I, Wójciak M, Tyszczuk-Rotko K, Klepka T, Dresler S. Polyaniline and Polyaniline-Based Materials as Sorbents in Solid-Phase Extraction Techniques. MATERIALS (BASEL, SWITZERLAND) 2022; 15:8881. [PMID: 36556687 PMCID: PMC9786183 DOI: 10.3390/ma15248881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/09/2022] [Accepted: 12/09/2022] [Indexed: 06/17/2023]
Abstract
Polyaniline (PANI) is one of the best known and widely studied conducting polymers with multiple applications and unique physicochemical properties. Due to its porous structure and relatively high surface area as well as the affinity toward many analytes related to the ability to establish different types of interactions, PANI has a great potential as a sorbent in sample pretreatment before instrumental analyses. This study provides an overview of the applications of polyaniline and polyaniline composites as sorbents in sample preparation techniques based on solid-phase extraction, including conventional solid-phase extraction (SPE) and its modifications, solid-phase microextraction (SPME), dispersive solid-phase extraction (dSPE), magnetic solid-phase extraction (MSPE) and stir-bar sorptive extraction (SBSE). The utility of PANI-based sorbents in chromatography was also summarized. It has been shown that polyaniline is willingly combined with other components and PANI-based materials may be formed in a variety of shapes. Polyaniline alone and PANI-based composites were successfully applied for sample preparation before determination of various analytes, both metal ions and organic compounds, in different matrices such as environmental samples, food, human plasma, urine, and blood.
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Affiliation(s)
- Ireneusz Sowa
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
| | - Magdalena Wójciak
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
| | - Katarzyna Tyszczuk-Rotko
- Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University in Lublin, 20-031 Lublin, Poland
| | - Tomasz Klepka
- Department of Technology and Polymer Processing, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland
| | - Sławomir Dresler
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
- Department of Plant Physiology and Biophysics, Institute of Biological Science, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
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8
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A New Composite of O-aminobenzene Sulfonic Acid Self-Doped Polyaniline and Multi-Walled Carbon Nanotubes as a Fiber Coating for Solid-Phase Microextraction Gas Chromatography. Chromatographia 2022. [DOI: 10.1007/s10337-022-04177-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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9
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A review on preparation methods and applications of metal–organic framework-based solid-phase microextraction coatings. Microchem J 2022. [DOI: 10.1016/j.microc.2021.107147] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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10
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Wang H, Huang C, Ma S, Bo C, Ou J, Gong B. Recent advances of restricted access molecularly imprinted materials and their applications in food and biological samples analysis. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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11
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Peng S, Huang X, Huang Y, Huang Y, Zheng J, Zhu F, Xu J, Ouyang G. Novel solid-phase microextraction fiber coatings: A review. J Sep Sci 2021; 45:282-304. [PMID: 34799963 DOI: 10.1002/jssc.202100634] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 11/13/2021] [Accepted: 11/15/2021] [Indexed: 12/27/2022]
Abstract
The materials used for the fabrication of solid-phase microextraction fiber coatings in the past five years are summarized in the current review, including carbon, metal-organic frameworks, covalent organic frameworks, aerogel, polymer, ionic liquids/poly (ionic liquids), metal oxides, and natural materials. The preparation approaches of different coatings, such as sol-gel technique, in-situ growth, electrodeposition, and glue methods, are briefly reviewed together with the evolution of the supporting substrates. In addition, the limitations of the current coatings and the future development directions of solid-phase microextraction are presented.
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Affiliation(s)
- Sheng Peng
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Xiaoyu Huang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Yuyan Huang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Yiquan Huang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Juan Zheng
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Fang Zhu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Jianqiao Xu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Gangfeng Ouyang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
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12
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Javanmardi H, Naderi M, Bagheri H. A stable nitrogen-rich zinc-based metal organic framework to investigate the structural similarity effect on the sorption efficiency of nitrogen-containing compounds. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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13
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Manousi N, Zachariadis GA, Deliyanni EA. On the use of metal-organic frameworks for the extraction of organic compounds from environmental samples. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:59015-59039. [PMID: 32077018 DOI: 10.1007/s11356-020-07911-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Accepted: 01/27/2020] [Indexed: 06/10/2023]
Abstract
The determination of trace metals and organic contaminants in environmental samples, such as water, air, soil, and sediment, is until today a challenging process for the analytical chemistry. Metal-organic frameworks (MOFs) are novel porous nanomaterials that are composed of metal ions and an organic connector. These materials are gaining more and more attention due to their superior characteristics, such as high surface area, tunable pore size, mechanical and thermal stability, luminosity, and charge transfer ability between metals and ligands. Among the various applications of MOFs are gas storage, separation, catalysis, and drug delivery. Recently, MOFs have been successfully introduced in the field of sample preparation for analytical chemistry and they have been used for sample pretreatment of various matrices. This review focuses on the applications of MOFs as novel adsorbents for the extraction of organic compounds from environmental samples.
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Affiliation(s)
- Natalia Manousi
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece.
| | - George A Zachariadis
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Eleni A Deliyanni
- Laboratory of Chemical and Environmental Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
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14
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Noorpoor Z. The needle trap extraction capability of a zinc-based metal organic framework with a nitrogen rich ligand. J COORD CHEM 2021. [DOI: 10.1080/00958972.2021.1962524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Zeinab Noorpoor
- Nanotechnology Research Center, Research Institute of Petroleum Industry, Tehran, Iran
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15
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Zhang J, Zhang B, Dang X, Song Z, Hu Y, Chen H. A polythiophene/UiO-66 composite coating for extraction of volatile organic compounds migrated from ion-exchange resins prior to their determination by gas chromatography. J Chromatogr A 2020; 1633:461627. [PMID: 33128970 DOI: 10.1016/j.chroma.2020.461627] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/05/2020] [Accepted: 10/07/2020] [Indexed: 02/07/2023]
Abstract
A Poly (3,4-ethylenedioxothiophene) (PEDOT)/UiO-66 composite was electrodeposited on an etched stainless-steel wire as head-space solid-phase microextraction (HS-SPME) coating. A robust, well controlled thickness, and uniform coating of metal organic framework composites can be realized by the electrodeposited strategy. The incorporated UiO-66 not only enhanced the uniformity and stability of the composite coating, but also effectively decreased the stacking phenomenon of PEDOT and improved its extraction efficiency, which was over 100 times higher than that of the PEDOT coating without UiO-66. The composite coating was used to enrich seven types of volatile organic compounds (VOCs) in ion-exchange resins, including methyl cyclohexane, benzene, toluene, ortho-xylene, styrene, para-xylene and divinyl-benzene. The results of adsorption isotherm analysis showed that π stacking effect played dominant role between the composite coating and VOCs in the extraction process. The composite coating was characterized by scanning electron microscopy, X-ray diffraction, Fourier transform infrared and thermogravimetric analysis, respectively. A determination method for seven kinds of VOCs was established by HS-SPME coupled with gas chromatography-flame ionization detection (GC-FID). Under the optimal experimental conditions, the detection linear range (LRs) was 0.09-100 ng mL-1, and the detection limit (LODs) was 0.03-0.06 ng mL-1 (S/N = 3). The method was applied for the migration detection of VOCs in four types of ion-exchange resin, which showed satisfactory recovery (84.5-117.2%).
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Affiliation(s)
- Jiayang Zhang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, PR China
| | - Birong Zhang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, PR China
| | - Xueping Dang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, PR China.
| | - Zhiyong Song
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, PR China
| | - Yuling Hu
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, PR China.
| | - Huaixia Chen
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules & College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, PR China
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16
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Shokrollahi M, Seidi S, Fotouhi L. In situ electrosynthesis of a copper-based metal–organic framework as nanosorbent for headspace solid-phase microextraction of methamphetamine in urine with GC-FID analysis. Mikrochim Acta 2020; 187:548. [DOI: 10.1007/s00604-020-04535-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 08/27/2020] [Indexed: 02/01/2023]
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17
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Jalili V, Barkhordari A, Ghiasvand A. Solid-phase microextraction technique for sampling and preconcentration of polycyclic aromatic hydrocarbons: A review. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104967] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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18
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Ghaedrahmati L, Ghiasvand A, Heidari N. Headspace solid-phase microextraction sampling of endogenous aldehydes in biological fluids using a magnetic metal-organic framework/polyaniline nanocomposite. J Sep Sci 2020; 44:1130-1139. [PMID: 32627944 DOI: 10.1002/jssc.202000401] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 07/01/2020] [Accepted: 07/02/2020] [Indexed: 01/13/2023]
Abstract
Nanoporosity, crystal structure, good thermal and mechanical stability, high surface-to-volume ratio, nanoscale cavities, and uniform pore topology have made metal-organic frameworks one of the best class of sorbents for adsorption/separation purposes. In this research, a metal-organic framework/polyaniline magnetite nanocomposite was synthesized and intercalated by polyaniline by electrophoretic deposition on the surface of a thin steel wire, to prepare a solid-phase microextraction fiber. It was coupled with gas chromatography-flame ionization detection and employed for the extraction and determination of aldehydes in biological samples. The magnetic nanocomposite was characterized using scanning electron microscopy, energy dispersive X-ray analysis, and Fourier transform infrared spectroscopy. Under the optimal experimental conditions, the calibration curves were linear in the range of 0.01-1 and 0.1-1 µg/L for hexanal and heptanal, respectively. The limits of detections for hexanal and heptanal were 0.001 and 0.01 µg/L, respectively. Intrafiber repeatability for six replicate analyses of 0.2 µg/L of the analytes was over the range 3.5-7.1%. Interfiber (fiber-to-fiber) reproducibility, calculated by six replicate analyses of the same concentration using three different fibers, and was found to be 10.4-15.7%. The developed procedure was successfully utilized for the analysis of hexanal and heptanal in human plasma and urine samples.
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Affiliation(s)
| | - Alireza Ghiasvand
- Department of Chemistry, Lorestan University, Khoramabad, Iran.,Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Hobart, Australia
| | - Nahid Heidari
- Department of Chemistry, Lorestan University, Khoramabad, Iran
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Amoli HS, Yamini Y, Darmani H. Polyoxomolybdate 368 /polyaniline nanocomposite as a novel fiber for solid-phase microextraction of antidepressant drugs in biological samples. J Sep Sci 2020; 43:2636-2645. [PMID: 32277789 DOI: 10.1002/jssc.201901152] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 03/22/2020] [Accepted: 03/31/2020] [Indexed: 01/13/2023]
Abstract
A novel solid-phase microextraction fiber was synthesized by coating a stainless steel wire with polyoxomolybdate368 /polyaniline as a sorbent aimed at extraction of amitriptyline, nortriptyline, and doxepin as antidepressant drugs from urine and blood samples. The polyoxomolybdate368 /polyaniline composite coating was applied using electropolymerization process under constant potential. This composition leads to enhanced extraction efficiency of the fiber. Scanning electron microscopy images show that huge three-dimensional structures of polyoxomolybdate368 in composite induced more non-smooth and porous fiber. In order to optimize of the extraction process, a series of variables including concentration of the composite materials, coating thickness, pH, extraction time, salt addition, and stirring rate was investigated and optimum conditions were determined. Analysis of surface morphology and chemical composition was performed. High-performance liquid chromatography was used for separation and evaluation of mentioned antidepressant drugs from the matrixes. The experiments indicated a detection limits of <0.2 ng/L and a linear dynamic range of 0.3-100 ng/L (R2 > 0.994). The relative recovery values were found to be in the range of 92-98%. It was concluded that the purposed fiber is highly efficient in analyzing traces of antidepressant drugs in urine and blood.
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Affiliation(s)
| | - Yadollah Yamini
- Department of Chemistry, Tarbiat Modares University, Tehran, Iran
| | - Hossein Darmani
- Department of Chemistry, Amir Kabir University of Technology, Tehran, Iran
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Guo X, Bai H, Ma X, Li J, Ren Y, Ouyang Z, Ma Q. Online coupling of an electrochemically fabricated solid-phase microextraction probe and a miniature mass spectrometer for enrichment and analysis of chemical contaminants in infant drinks. Anal Chim Acta 2020; 1098:66-74. [DOI: 10.1016/j.aca.2019.11.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 11/06/2019] [Accepted: 11/11/2019] [Indexed: 12/15/2022]
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Javanmardi H, Abbasi A, Bagheri H. The geometrical characteristics of nickel-based metal organic framework on its entrapment capability. J Chromatogr A 2020; 1610:460551. [PMID: 31563298 DOI: 10.1016/j.chroma.2019.460551] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 09/11/2019] [Accepted: 09/15/2019] [Indexed: 10/26/2022]
Abstract
Here, a three dimensional nickel-based metal organic framework (MOF) was synthesized via solvothermal and room temperature protocols. In order to study the effects of the synthesis conditions on the physical properties such as pore sizes and shapes of the prepared MOFs, their extraction capabilities were examined. Both MOFs were characterized by Fourier transform infrared spectroscopy, powder X-ray diffraction, scanning electron microscopy, Brunauer-Emmett-Teller and thermogravimetric analyses. Brilliant properties such as porous structure, high surface area and considerable thermal stability make them reasonable candidates to be employed as efficient extractive phases. The efficiency of the superior nickel-based MOF was evaluated for headspace needle trap extraction of chlorobenzenes as model compounds in conjunction with gas chromatography-mass spectrometry (GC-MS). The MOF-based extractive phase was conveniently packed in a needle trap device and after extraction, the desorption process was performed via direct insertion of needle into the GC inlet. After optimizing the extraction/desorption conditions, the figures of merit such as linear dynamic range was in the range of 5-1000 ng L-1 (R2 > 0.987) while the limits of detection and quantification values were 2-10 and 6-30 ng L-1, respectively. The intra- and inter-day relative standard deviations for three replicates at the concentration level of 50 ng L-1 were in the range of 7-9% and 9-12%, respectively. The needle-to-needle reproducibility was also found to be in the range of 5-11%. Acceptable relative recovery values at the concentration level of 50 ng L-1 ranged from 85 to 96%, showing no significant matrix effect.
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Affiliation(s)
- Hasan Javanmardi
- Environmental and Bio-Analytical Laboratories, Department of Chemistry, Sharif University of Technology, P.O. Box 11365-9516, Tehran, Iran
| | - Alireza Abbasi
- School of Chemistry, College of Science, University of Tehran, P.O. Box 14155-6455 Tehran, Iran
| | - Habib Bagheri
- Environmental and Bio-Analytical Laboratories, Department of Chemistry, Sharif University of Technology, P.O. Box 11365-9516, Tehran, Iran.
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Recent Applications and Newly Developed Strategies of Solid-Phase Microextraction in Contaminant Analysis: Through the Environment to Humans. SEPARATIONS 2019. [DOI: 10.3390/separations6040054] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The present review aims to describe the recent and most impactful applications in pollutant analysis using solid-phase microextraction (SPME) technology in environmental, food, and bio-clinical analysis. The covered papers were published in the last 5 years (2014–2019) thus providing the reader with information about the current state-of-the-art and the future potential directions of the research in pollutant monitoring using SPME. To this end, we revised the studies focused on the investigation of persistent organic pollutants (POPs), pesticides, and emerging pollutants (EPs) including personal care products (PPCPs), in different environmental, food, and bio-clinical matrices. We especially emphasized the role that SPME is having in contaminant surveys following the path that goes from the environment to humans passing through the food web. Besides, this review covers the last technological developments encompassing the use of novel extraction coatings (e.g., metal-organic frameworks, covalent organic frameworks, PDMS-overcoated fiber), geometries (e.g., Arrow-SPME, multiple monolithic fiber-SPME), approaches (e.g., vacuum and cold fiber SPME), and on-site devices. The applications of SPME hyphenated with ambient mass spectrometry have also been described.
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Pelit L, Pelit F, Ertaş H, Ertaş FN. Electrochemically Fabricated Solid Phase Microextraction Fibers and Their Applications in Food, Environmental and Clinical Analysis. CURR ANAL CHEM 2019. [DOI: 10.2174/1573411015666190314155440] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Background:Designing an analytical methodology for complicated matrices, such as biological and environmental samples, is difficult since the sample preparation procedure is the most demanding step affecting the whole analytical process. Nowadays, this step has become more challenging by the legislations and environmental concerns since it is a prerequisite to eliminate or minimize the use of hazardous substances in traditional procedures by replacing with green techniques suitable for the sample matrix.Methods:In addition to the matrix, the nature of the analyte also influence the ease of creating green analytical techniques. Recent developments in the chemical analysis provide us new methodologies introducing microextraction techniques and among them, solid phase microextraction (SPME) has emerged as a simple, fast, low cost, reliable and portable sample preparation technique that minimizes solvent consumption.Results:The use of home-made fibers is popular in the last two decades since the selectivity can be tuned by changing the surface characteristics through chemical and electrochemical modifications. Latter technique is preferred since the electroactive polymers can be coated onto the fiber under controlled electrochemical conditions and the film thicknesses can be adjusted by simply changing the deposition parameters. Thermal resistance and mechanical strength can be readily increased by incorporating different dopant ions into the polymeric structure and selectivity can be tuned by inserting functional groups and nanostructures. A vast number of analytes with wide range of polarities extracted by this means can be determined with a suitable chromatographic detector coupled to the system. Therefore, the main task is to improve the physicochemical properties of the fiber along with the extraction efficiency and selectivity towards the various analytes by adjusting the electrochemical preparation conditions.Conclusion:This review covers the fine tuning conditions practiced in electrochemical preparation of SPME fibers and in-tube systems and their applications in environmental, food and clinical analysis.
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Affiliation(s)
- Levent Pelit
- Department of Chemistry, Science Faculty, Ege University, Bornova, 35 100, İzmir, Turkey
| | - Füsun Pelit
- Department of Chemistry, Science Faculty, Ege University, Bornova, 35 100, İzmir, Turkey
| | - Hasan Ertaş
- Department of Chemistry, Science Faculty, Ege University, Bornova, 35 100, İzmir, Turkey
| | - Fatma Nil Ertaş
- Department of Chemistry, Science Faculty, Ege University, Bornova, 35 100, İzmir, Turkey
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Abstract
Metal–organic frameworks (MOFs) have attracted recently considerable attention in analytical sample preparation, particularly when used as novel sorbent materials in solid-phase microextraction (SPME). MOFs are highly ordered porous crystalline structures, full of cavities. They are formed by inorganic centers (metal ion atoms or metal clusters) and organic linkers connected by covalent coordination bonds. Depending on the ratio of such precursors and the synthetic conditions, the characteristics of the resulting MOF vary significantly, thus drifting into a countless number of interesting materials with unique properties. Among astonishing features of MOFs, their high chemical and thermal stability, easy tuneability, simple synthesis, and impressive surface area (which is the highest known), are the most attractive characteristics that makes them outstanding materials in SPME. This review offers an overview on the current state of the use of MOFs in different SPME configurations, in all cases covering extraction devices coated with (or incorporating) MOFs, with particular emphases in their preparation.
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Dou Y, Guo L, Li G, Lv X, Xia L, JinmaoYou. Amino group functionalized metal-organic framework as dispersive solid-phase extraction sorbent to determine nitrobenzene compounds in water samples. Microchem J 2019. [DOI: 10.1016/j.microc.2019.01.035] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Nodeh HR, Kamboh MA, Wan Ibrahim WA, Jume BH, Sereshti H, Sanagi MM. Equilibrium, kinetic and thermodynamic study of pesticides removal from water using novel glucamine-calix[4]arene functionalized magnetic graphene oxide. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2019; 21:714-726. [PMID: 30869668 DOI: 10.1039/c8em00530c] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A novel nanocomposite of MGO-NGC, composed of magnetic Fe3O4 nanoparticles (M), graphene oxide (GO), and N-methyl-d-glucamine functionalized calix[4]arene (NGC), was synthesized and applied as an effective adsorbent for the removal of two selected pesticides, namely hexaconazole and chlorpyrifos from water samples. The adsorbent was characterized by FTIR, SEM, EDX, TEM, and XRD. The main parameters affecting the adsorption process such as adsorbent dosage, pH of sample solution, salt effect, pesticide concentration, and adsorption time were investigated. The data from kinetic studies fitted well to the pseudo-second order kinetic model with R2 > 0.99. Among the isotherm models of Langmuir, Freundlich, Temkin, and Dubinin-Radushkevich, the Langmuir isotherm fitted well to the adsorption process and demonstrated the monolayer adsorption pattern of the pesticides. Moreover, high adsorption capacities of 78.74 and 93.46 mg g-1 were obtained for chlorpyrifos and hexaconazole, respectively. Thermodynamic and free energy data indicated the physisorption mechanism for the adsorption process. The new adsorbent can be employed as an efficient, environment friendly, and highly reusable alternative for the removal of chlorinated pesticides from aqueous media.
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Affiliation(s)
- Hamid Rashidi Nodeh
- Department of Food Science & Technology, Faculty of Food Industry and Agriculture, Standard Research Institute (SRI), P.O. Box 31745-139, Karaj, Iran.
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Zeng J, Li Y, Zheng X, Li Z, Zeng T, Duan W, Li Q, Shang X, Dong B. Controllable Transformation of Aligned ZnO Nanorods to ZIF-8 as Solid-Phase Microextraction Coatings with Tunable Porosity, Polarity, and Conductivity. Anal Chem 2019; 91:5091-5097. [DOI: 10.1021/acs.analchem.8b05419] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jingbin Zeng
- College of Science, China University of Petroleum (East China), Qingdao 266580, China
| | - Yulong Li
- College of Science, China University of Petroleum (East China), Qingdao 266580, China
| | - Xiaofu Zheng
- College of Science, China University of Petroleum (East China), Qingdao 266580, China
| | - Zizhou Li
- College of Science, China University of Petroleum (East China), Qingdao 266580, China
| | - Teng Zeng
- Department of Civil and Environmental Engineering, Syracuse University, 151 Link Hall, Syracuse, New York 13244, United States
| | - Wei Duan
- College of Science, China University of Petroleum (East China), Qingdao 266580, China
| | - Qing Li
- College of Science, China University of Petroleum (East China), Qingdao 266580, China
| | - Xiao Shang
- College of Science, China University of Petroleum (East China), Qingdao 266580, China
| | - Bin Dong
- College of Science, China University of Petroleum (East China), Qingdao 266580, China
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Wójciak-Kosior M, Sowa I, Dresler S, Kováčik J, Staniak M, Sawicki J, Zielińska S, Świeboda R, Strzemski M, Kocjan R. Polyaniline based material as a new SPE sorbent for pre-treatment of Chelidonium majus extracts before chromatographic analysis of alkaloids. Talanta 2019; 194:32-37. [DOI: 10.1016/j.talanta.2018.10.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 09/26/2018] [Accepted: 10/02/2018] [Indexed: 01/17/2023]
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Lashgari M, Yamini Y. An overview of the most common lab-made coating materials in solid phase microextraction. Talanta 2019; 191:283-306. [DOI: 10.1016/j.talanta.2018.08.077] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 08/24/2018] [Accepted: 08/27/2018] [Indexed: 11/28/2022]
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30
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Bagheri H, Karimi Zandian F, Javanmardi H, Abbasi A, Golzari Aqda T. Nanostructured molybdenum oxide in a 3D metal organic framework and in a 2D polyoxometalate network for extraction of chlorinated benzenes prior to their quantification by GC–MS. Mikrochim Acta 2018; 185:536. [DOI: 10.1007/s00604-018-3070-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 10/24/2018] [Indexed: 11/28/2022]
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Khan NA, Yoo DK, Jhung SH. Polyaniline-Encapsulated Metal-Organic Framework MIL-101: Adsorbent with Record-High Adsorption Capacity for the Removal of Both Basic Quinoline and Neutral Indole from Liquid Fuel. ACS APPLIED MATERIALS & INTERFACES 2018; 10:35639-35646. [PMID: 30256614 DOI: 10.1021/acsami.8b13256] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Polyaniline-encapsulated metal-organic frameworks (MOFs; MIL-101, Cr-benzenedicarboxylate) were prepared via a ship-in-bottle strategy and applied in liquid phase adsorptions. The modified MIL-101s showed record-high adsorptions for both basic and neutral nitrogen-containing compounds (NCCs) from liquid model fuel. For example, the maximum adsorption capacities ( Qo) of the protonated polyaniline (pANI)@MIL-101 for the basic quinoline and neutral indole from n-octane were 556 and 602 mg/g, respectively. The plausible adsorption mechanisms such as hydrogen bonding, acid-base interaction, and cation-π interaction were proposed to explain the extraordinary adsorptions of the studied adsorbates. Moreover, the adsorbents could be recycled via a simple approach and reused in adsorptions without noticeable decrease in performances. Therefore, the pANI-encapsulated MOFs could be recommended as a new type of adsorbents for very efficient removal of both basic and neutral NCCs from liquid fuel.
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Affiliation(s)
- Nazmul Abedin Khan
- Department of Chemistry and Green-Nano Materials Research Center , Kyungpook National University , Daegu 41566 , Republic of Korea
| | - Dong Kyu Yoo
- Department of Chemistry and Green-Nano Materials Research Center , Kyungpook National University , Daegu 41566 , Republic of Korea
| | - Sung Hwa Jhung
- Department of Chemistry and Green-Nano Materials Research Center , Kyungpook National University , Daegu 41566 , Republic of Korea
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Ghiasvand AR, Ghaedrahmati L, Heidari N, Haddad PR, Farhadi S. Synthesis and characterization of MIL-101(Cr) intercalated by polyaniline composite, doped with silica nanoparticles and its evaluation as an efficient solid-phase extraction sorbent. J Sep Sci 2018; 41:3910-3917. [PMID: 30141259 DOI: 10.1002/jssc.201800498] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 08/06/2018] [Accepted: 08/12/2018] [Indexed: 11/07/2022]
Abstract
A metal-organic framework/polyaniline composite was synthesized and doped with silica nanoparticles. The structure and morphology of the composite were characterized using Fourier transform infrared spectroscopy and scanning electron microscopy. It was packed inside a cartridge and evaluated for the solid-phase extraction of thymol and carvacrol, followed by gas chromatography with flame ionization detection measurement. The influence of the important experimental variables on the efficiency of the proposed method, including pH, ionic strength, volume of sample solution and type, and volume of eluent were studied and optimized. Under the optimal conditions, the relative standard deviations were found to be 3.8 and 9.8% for thymol and carvacrol, respectively, and the corresponding limits of detection were 0.1 and 1.0 ng/mL. The linear dynamic ranges for the calibration curves of the analytes were 10-10000 ng/mL, with determination coefficients (R2 ) > 0.993. The limits of quantifications were found to be 0.01 and 0.5 μg/mL, for thymol and carvacrol, respectively. The prepared nanocomposite sorbent was applied successfully to the extraction and determination of thymol and carvacrol in Lamiaceae plant extracts and a honey sample, with relative recoveries in the range of 90.28-122.0%.
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Affiliation(s)
| | | | - Nahid Heidari
- Department of Chemistry, Lorestan University, Khoramabad, Iran
| | - Paul R Haddad
- Australian Centre for Research on Separation Science, School of Chemistry, University of Tasmania, Hobart, Tasmania, Australia
| | - Saeid Farhadi
- Department of Chemistry, Lorestan University, Khoramabad, Iran
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A 3D nanoscale polyhedral oligomeric silsesquioxanes network for microextraction of polycyclic aromatic hydrocarbons. Mikrochim Acta 2018; 185:418. [PMID: 30120566 DOI: 10.1007/s00604-018-2950-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Accepted: 08/03/2018] [Indexed: 12/17/2022]
Abstract
Polyhedral oligomeric silsesquioxanes are 3D nanoscaled materials with large potential in solid phase microextraction (SPME). Here, as a case study, an octaglycidyldimethylsilyl modified polyhedral oligomeric silsesquioxane network is described. It was deposited on a stainless steel wire via a sol-gel method and used as a fiber coating for SPME of aromatic compounds. The uniform pore structure, high surface area, and hydrophobicity of the network make it susceptible toward isolation of non-polar and semi-polar chemical compounds. The performance of the fiber coating was tested with three classes of environmental pollutants, viz. chlorobenzenes (CBs), benzenes (benzene, toluene, ethylbenzene, xylene; known as BTEX), and polycyclic aromatic hydrocarbons. The effects of various types of sol-gel precursors on the fabrication and performance of fiber coatings were investigated. The extraction capability of the fiber coating was compared with the polydimethyl siloxane/divinylbenzene based commercial fiber. Parameters affecting headspace analysis and gas chromatographic quantitation were optimized. The method was applied to the quantification of PAHs, as model analytes, in tea, coffee and some environmental waters. Linear responses typically cover the 1-200 ng·L-1 concentration range, limits of detection are between 0.1 and 0.3 ng·L-1, intra-day relative standard deviation are <10%, and inter-day RSDs are <12%. The fiber has a long lifespan and can be used >200 times. Graphical abstract Schematic presentation of a headspace solid phase microextraction process which is implemented to the analysis of PAHs in tea and coffee samples. The SEM image of the SPME fiber coating, the 3D nanoscale polyhedral oligomeric silsesquioxane (POSS) network, and the POSS-epoxy molecular structure are shown.
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Three-dimensional nanofiber scaffolds are superior to two-dimensional mats in micro-oriented extraction of chlorobenzenes. Mikrochim Acta 2018; 185:322. [DOI: 10.1007/s00604-018-2858-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 05/28/2018] [Indexed: 01/21/2023]
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Qi K, Hou R, Zaman S, Qiu Y, Xia BY, Duan H. Construction of Metal-Organic Framework/Conductive Polymer Hybrid for All-Solid-State Fabric Supercapacitor. ACS APPLIED MATERIALS & INTERFACES 2018; 10:18021-18028. [PMID: 29749722 DOI: 10.1021/acsami.8b05802] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Metal-organic frameworks (MOFs) hold promising potential in energy storage but are limited by poor conductivity. In this work, a metal-organic framework/polypyrrole hybrid is constructed by a facile one-pot electrodeposition method in the presence of dopamine. An all-solid-state fabric supercapacitor based on this hybrid demonstrates excellent electrochemical energy-storage performance, which achieves a specific capacitance of 10 mF cm-1 (206 mF cm-2), a power density of 132 μW cm-1 (2102 μW cm-2), and an energy density of 0.8 μWh cm-1 (12.8 μWh cm-2). The stable cycling life and excellent mechanical flexibility over a wide range of working temperature are also achieved, which maintains a capacitance retention of 89% over 10 000 charging/discharging cycles, a capacitance decrease of only 4% after 1000 frizzy (360° bending) cycles, and no obvious capacitance loss under 100 repeated heating (100 °C)/cooling (-15 °C) cycles. This fibrous supercapacitor displays promising potential in wearable textile electronics as it can be easily woven into common cotton cloth. Our strategy may shed some valuable light on the construction of MOF-based hybrids for flexible energy-storage electronics.
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Affiliation(s)
- Kai Qi
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Wuhan National Laboratory for Optoelectronics , Huazhong University of Science and Technology (HUST) , 1037 Luoyu Road , Wuhan 430074 , P. R. China
- School of Chemical and Biomedical Engineering , Nanyang Technological University , 70 Nanyang Drive , 637457 , Singapore
| | - Ruizuo Hou
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Wuhan National Laboratory for Optoelectronics , Huazhong University of Science and Technology (HUST) , 1037 Luoyu Road , Wuhan 430074 , P. R. China
| | - Shahid Zaman
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Wuhan National Laboratory for Optoelectronics , Huazhong University of Science and Technology (HUST) , 1037 Luoyu Road , Wuhan 430074 , P. R. China
| | - Yubing Qiu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Wuhan National Laboratory for Optoelectronics , Huazhong University of Science and Technology (HUST) , 1037 Luoyu Road , Wuhan 430074 , P. R. China
| | - Bao Yu Xia
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Wuhan National Laboratory for Optoelectronics , Huazhong University of Science and Technology (HUST) , 1037 Luoyu Road , Wuhan 430074 , P. R. China
| | - Hongwei Duan
- School of Chemical and Biomedical Engineering , Nanyang Technological University , 70 Nanyang Drive , 637457 , Singapore
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Layered Double Hydroxides as a Coating for the Determination of Phthalate Esters in Aqueous Solution with Solid-Phase Microextraction Followed by Gas Chromatography. Chromatographia 2018. [DOI: 10.1007/s10337-018-3507-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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37
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Wireless electrochemical preparation of gradient nanoclusters consisting of copper(II), stearic acid and montmorillonite on a copper wire for headspace in-tube microextraction of chlorobenzenes. Mikrochim Acta 2017; 185:80. [DOI: 10.1007/s00604-017-2549-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 11/09/2017] [Indexed: 10/18/2022]
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Maya F, Palomino Cabello C, Ghani M, Turnes Palomino G, Cerdà V. Emerging materials for sample preparation. J Sep Sci 2017; 41:262-287. [DOI: 10.1002/jssc.201700836] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Revised: 09/18/2017] [Accepted: 09/18/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Fernando Maya
- Department of Chemistry; University of the Balearic Islands; Palma de Mallorca Spain
| | | | - Milad Ghani
- Department of Chemistry; University of the Balearic Islands; Palma de Mallorca Spain
- Department of Chemistry; Isfahan University of Technology; Isfahan Iran
| | - Gemma Turnes Palomino
- Department of Chemistry; University of the Balearic Islands; Palma de Mallorca Spain
| | - Víctor Cerdà
- Department of Chemistry; University of the Balearic Islands; Palma de Mallorca Spain
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Reyes-Garcés N, Gionfriddo E, Gómez-Ríos GA, Alam MN, Boyacı E, Bojko B, Singh V, Grandy J, Pawliszyn J. Advances in Solid Phase Microextraction and Perspective on Future Directions. Anal Chem 2017; 90:302-360. [DOI: 10.1021/acs.analchem.7b04502] [Citation(s) in RCA: 402] [Impact Index Per Article: 57.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
| | | | | | - Md. Nazmul Alam
- Department of Chemistry, University of Waterloo, Ontario, Canada N2L 3G1
| | - Ezel Boyacı
- Department of Chemistry, Middle East Technical University, Ankara 06800, Turkey
| | - Barbara Bojko
- Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland
| | - Varoon Singh
- Department of Chemistry, University of Waterloo, Ontario, Canada N2L 3G1
| | - Jonathan Grandy
- Department of Chemistry, University of Waterloo, Ontario, Canada N2L 3G1
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo, Ontario, Canada N2L 3G1
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40
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Hou X, Wang L, Guo Y. Recent Developments in Solid-phase Microextraction Coatings for Environmental and Biological Analysis. CHEM LETT 2017. [DOI: 10.1246/cl.170366] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Xiudan Hou
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Licheng Wang
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
| | - Yong Guo
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
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41
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Piri-Moghadam H, Alam MN, Pawliszyn J. Review of geometries and coating materials in solid phase microextraction: Opportunities, limitations, and future perspectives. Anal Chim Acta 2017; 984:42-65. [PMID: 28843569 DOI: 10.1016/j.aca.2017.05.035] [Citation(s) in RCA: 177] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Revised: 05/23/2017] [Accepted: 05/25/2017] [Indexed: 12/18/2022]
Abstract
The development of new support and geometries of solid phase microextraction (SPME), including metal fiber assemblies, coated-tip, and thin film microextraction (TFME) (i.e. self-supported, fabric and blade supported), as well as their effects on diffusion and extraction rate of analytes were discussed in the current review. Application of main techniques widely used for preparation of a variety of coating materials of SPME, including sol-gel technique, electrochemical and electrospinning methods as well as the available commercial coatings, were presented. Advantages and limitations of each technique from several aspects, such as range of application, biocompatibility, availability in different geometrical configurations, method of preparation, incorporation of various materials to tune the coating properties, and thermal and physical stability, were also investigated. Future perspectives of each technique to improve the efficiency and stability of the coatings were also summarized. Some interesting materials including ionic liquids (ILs), metal organic frameworks (MOFs) and particle loaded coatings were briefly presented.
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Affiliation(s)
- Hamed Piri-Moghadam
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Md Nazmul Alam
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Janusz Pawliszyn
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada.
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42
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Rashidi Nodeh H, Sereshti H, Gaikani H, Kamboh MA, Afsharsaveh Z. Magnetic graphene coated inorganic-organic hybrid nanocomposite for enhanced preconcentration of selected pesticides in tomato and grape. J Chromatogr A 2017. [PMID: 28634067 DOI: 10.1016/j.chroma.2017.06.032] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The new magnetic graphene based hybrid silica-N-[3-(trimethoxysilyl)propyl]ethylenediamine (MG@SiO2-TMSPED) nanocomposite was synthesized via sol-gel process, and used as an effective adsorbent in magnetic solid phase extraction (MSPE) of three selected pesticides followed by gas chromatography micro-electron capture detection (GC-μECD). The adsorbent was characterized using Fourier transform-infrared spectroscopy (FT-IR), Brunauer-Emmett-Teller (BET), Barrett-Joyner-Halenda (BJH), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and energy dispersive X-ray spectroscopy (EDXS) techniques. The analytical validity of the developed method was evaluated under optimized conditions and the following figures of merit were obtained: linearity, 1-20μgkg-1 with good determination coefficients (R2=0.995-0.999); limits of detection (LODs), 0.23-0.30μgkg-1 (3×SD/m, n=3); and limits of quantitation (LOQ), 0.76-1.0μgkg-1 (10×SD/m, n=3). The precision (RSD%) of the proposed MSPE method was studied based on intra-day (3.43-8.83%, n=3) and inter-day (6.68-8.37%, n=12) precisions. Finally, the adsorbent was applied to determination of pesticides in tomato and grape samples and good recoveries were obtained in the range from 82 to 113% (RSDs 5.1-8.1%, n=3).
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Affiliation(s)
- Hamid Rashidi Nodeh
- Department of Chemistry, Faculty of Science, University of Tehran, Tehran, Iran
| | - Hassan Sereshti
- Department of Chemistry, Faculty of Science, University of Tehran, Tehran, Iran.
| | - Hamid Gaikani
- Department of Chemistry, Faculty of Science, University of Tehran, Tehran, Iran
| | - Muhammad Afzal Kamboh
- Department of Chemistry, Faculty of Science, Shaheed Benazir Bhutto University, Benazirabad, Pakistan
| | - Zahra Afsharsaveh
- Department of Chemistry, Faculty of Science, University of Tehran, Tehran, Iran
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43
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Vidal L, Ahmadi M, Fernández E, Madrakian T, Canals A. Magnetic headspace adsorptive extraction of chlorobenzenes prior to thermal desorption gas chromatography-mass spectrometry. Anal Chim Acta 2017; 971:40-47. [DOI: 10.1016/j.aca.2017.04.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 03/29/2017] [Accepted: 04/01/2017] [Indexed: 01/26/2023]
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44
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Metal-organic aerogel as a coating for solid-phase microextraction. Anal Chim Acta 2017; 973:51-58. [DOI: 10.1016/j.aca.2017.04.029] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 04/12/2017] [Accepted: 04/20/2017] [Indexed: 12/13/2022]
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45
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Li W, Qi X, Zhao CY, Xu XF, Tang AN, Kong DM. A Rapid and Facile Detection for Specific Small-Sized Amino Acids Based on Target-Triggered Destruction of Metal Organic Frameworks. ACS APPLIED MATERIALS & INTERFACES 2017; 9:236-243. [PMID: 27935274 DOI: 10.1021/acsami.6b13998] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Most of the reported metal organic frameworks (MOFs)-based DNA sensors were developed by utilizing the different adsorption capacities of MOFs to different structural DNAs (for example, single-stranded DNAs (ssDNAs) and double-stranded DNAs (dsDNAs)) or ssDNAs with different lengths. Herein, we introduced another strategy for the design of MOFs-based biosensing platforms. We found that specific small-sized amino acids (for example, glycine and serine) could lead to the destruction of the MOFs formed by [Cu(mal)(bpy)]·2H2O], thus recovering the fluorescence of a fluorophore-labeled ssDNA that had been quenched by MOFs. The corresponding working mechanism was discussed. On the basis of this finding, a mix-and-detect fluorescence method was designed for the turn-on detection of specific small-sized amino acids. The feasibility of its use in real serum samples was also demonstrated. Besides biosensing applications, the discovery of amino acids-triggered destruction of MOFs can also enrich the building blocks of molecular logic gate. As an example, a biomolecular logic gate that performs OR logic operation was constructed using glycine and a DNA strand as inputs.
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Affiliation(s)
- Wei Li
- Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, and ‡Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University , 94 Weijin Road, Tianjin 300071, People's Republic of China
| | - Xue Qi
- Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, and ‡Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University , 94 Weijin Road, Tianjin 300071, People's Republic of China
| | - Chao-Yue Zhao
- Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, and ‡Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University , 94 Weijin Road, Tianjin 300071, People's Republic of China
| | - Xiu-Fang Xu
- Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, and ‡Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University , 94 Weijin Road, Tianjin 300071, People's Republic of China
| | - An-Na Tang
- Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, and ‡Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University , 94 Weijin Road, Tianjin 300071, People's Republic of China
| | - De-Ming Kong
- Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, and ‡Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University , 94 Weijin Road, Tianjin 300071, People's Republic of China
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46
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Shih YH, Wang KY, Singco B, Lin CH, Huang HY. Metal-Organic Framework-Polymer Composite as a Highly Efficient Sorbent for Sulfonamide Adsorption and Desorption: Effect of Coordinatively Unsaturated Metal Site and Topology. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:11465-11473. [PMID: 27749082 DOI: 10.1021/acs.langmuir.6b03067] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In this study, we first demonstrated the effect of two types of metal-organic framework-polymer (MOF-polymer) monoliths on in-tube solid-phase microextraction (IT-SPME) of sulfonamides. Sulfonamides were successfully adsorbed onto MIL-101(Cr)-polymer but were difficult to elute due to these sulfonamides could interact via Lewis acid-base interaction with the presence of Cr(III) coordinatively unsaturated metal sites (CUS). Moreover, the cage-type topology of MIL-101(Cr) that could produce multiple pathways thus complicates the desorption of the test analytes from the sorbent. Contrastingly, MIL-53(Al)-polymer provided weaker Al(III) CUS, and its one-dimensional channel pore structure could provide an unhindered pathway for sulfonamides transfer during elution. After optimizing the IT-SPME condition such as MOF content, pH of sample matrix, column length, extraction flow rate, and elution volume, the calculated extraction recovery of sulfonamides in MIL-53(Al)-polymer as analyzed by microemulsion electrokinetic chromatography (MEEKC) were in the range of 40%-90% with relative standard deviations (RSDs) below 5% and a reusability of at least 30 times.
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Affiliation(s)
- Yung-Han Shih
- Department of Chemistry, Chung Yuan Christian University 200 Chung Pei Road, Chung Li District, Taoyuan City, 320, Taiwan, R.O.C
| | - Kuen-Yun Wang
- Department of Chemistry, Chung Yuan Christian University 200 Chung Pei Road, Chung Li District, Taoyuan City, 320, Taiwan, R.O.C
| | - Brenda Singco
- Department of Chemistry, Chung Yuan Christian University 200 Chung Pei Road, Chung Li District, Taoyuan City, 320, Taiwan, R.O.C
| | - Chia-Her Lin
- Department of Chemistry, Chung Yuan Christian University 200 Chung Pei Road, Chung Li District, Taoyuan City, 320, Taiwan, R.O.C
| | - Hsi-Ya Huang
- Department of Chemistry, Chung Yuan Christian University 200 Chung Pei Road, Chung Li District, Taoyuan City, 320, Taiwan, R.O.C
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47
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Rocío-Bautista P, Pacheco-Fernández I, Pasán J, Pino V. Are metal-organic frameworks able to provide a new generation of solid-phase microextraction coatings? – A review. Anal Chim Acta 2016; 939:26-41. [DOI: 10.1016/j.aca.2016.07.047] [Citation(s) in RCA: 123] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 07/27/2016] [Accepted: 07/28/2016] [Indexed: 10/21/2022]
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48
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Lan H, Pan D, Sun Y, Guo Y, Wu Z. Thin metal organic frameworks coatings by cathodic electrodeposition for solid-phase microextraction and analysis of trace exogenous estrogens in milk. Anal Chim Acta 2016; 937:53-60. [DOI: 10.1016/j.aca.2016.07.041] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 07/27/2016] [Accepted: 07/31/2016] [Indexed: 02/01/2023]
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