1
|
Application of ZnS/S/S-RGO three-component nanocomposites in dispersive solid-phase microextraction coupled with ion mobility spectrometry for ultra-trace determination of multiclass pesticides. Mikrochim Acta 2021; 189:9. [PMID: 34862930 DOI: 10.1007/s00604-021-05116-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 11/19/2021] [Indexed: 01/21/2023]
Abstract
A fast, effective, and sensitive dispersive solid-phase microextraction method coupled with ion mobility spectrometry for the simultaneous determination of bendiocarb, butachlor, and diazinon was developed using zinc sulfide/sulfur/sulfur-doped reduced graphene oxide (ZnS/S/S-RGO) nanocomposites. ZnS/S/S-RGO three-component nanocomposites were synthesized through a single-step solvothermal procedure, and their properties were characterized by FT-IR, XRD, X-ray photoelectron spectroscopy (XPS), field emission scanning electron microscopy (FESEM), and energy-dispersive x-ray spectroscopy (EDX). The influence of different parameters was optimized on the efficiency of the extraction including the type and the volume of desorption solvent, pH, type and the volume of buffer, the amount of absorbent, sorption and desorption times. Under the optimal conditions, linear ranges were achieved 0.8-110, 1.0-110, and 0.5-100 ng mL-1 with detection limits of 0.32±0.01, 0.40±0.02, and 0.27±0.02 ng mL-1 for bendiocarb, butachlor, and diazinon, respectively. The method was employed for the ultra-trace determination of the three pesticides in water, rice, and soil samples with acceptable recovery values within the range 96.6±4.8-104.4±6.4%.
Collapse
|
2
|
Abstract
The review describes the development of batch solid phase extraction procedures based on dispersive (micro)solid phase extraction with molecularly imprinted polymers (MIPs) and magnetic MIPs (MMIPs). Advantages and disadvantages of the various MIPs for dispersive solid phase extraction and dispersive (micro)solid phase extraction are discussed. In addition, an effort has also been made to condense the information regarding MMIPs since there are a great variety of supports (magnetite and magnetite composites with carbon nanotubes, graphene oxide, or organic metal framework) and magnetite surface functionalization mechanisms for enhancing MIP synthesis, including reversible addition-fragmentation chain-transfer (RAFT) polymerization. Finally, drawbacks and future prospects for improving molecularly imprinted (micro)solid phase extraction (MIMSPE) are also appraised.
Collapse
|
3
|
Liu J, Song S, Wu A, Kuang H, Liu L, Xiao J, Xu C. Development of immunochromatographic strips for the detection of dicofol. Analyst 2021; 146:2240-2247. [PMID: 33596275 DOI: 10.1039/d0an02238a] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
In this study, a monoclonal antibody (mAb) against dicofol was developed to prepare immunochromatographic strips (ICAs) for the detection of dicofol residues in fruit and vegetables. The mAb exhibited high affinity and high sensitivity, with an affinity constant of 2.96 × 1010 and a limit of detection of 3.142 ng mL-1. A cross reactivity test revealed that the mAb also had good specificity for dicofol. This ICA method gave a visible limit of detection of 50 ng g-1, and a cut-off value of 500 ng g-1 for the detection of dicofol in both apple and cucumber with the naked eye. Importantly, the results here are consistent with results obtained using liquid chromatography mass spectrometry and ic-ELISAs indicating that this ICA method is reliable and practical when used for the detection of dicofol in fruit and vegetables.
Collapse
Affiliation(s)
- Jie Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.
| | | | | | | | | | | | | |
Collapse
|
4
|
Jinadasa KK, Peña-Vázquez E, Bermejo-Barrera P, Moreda-Piñeiro A. Ionic imprinted polymer – Vortex-assisted dispersive micro-solid phase extraction for inorganic arsenic speciation in rice by HPLC-ICP-MS. Talanta 2020; 220:121418. [DOI: 10.1016/j.talanta.2020.121418] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 07/09/2020] [Accepted: 07/14/2020] [Indexed: 01/22/2023]
|
5
|
Jagirani MS, Soylak M. A review: Recent advances in solid phase microextraction of toxic pollutants using nanotechnology scenario. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105436] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
|
6
|
Jagirani MS, Soylak M. Review: Microextraction Technique Based New Trends in Food Analysis. Crit Rev Anal Chem 2020; 52:968-999. [PMID: 33253048 DOI: 10.1080/10408347.2020.1846491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Food chemistry is the study and classification of the quality and origin of foods. The identification of definite biomarkers and the determination of residue contaminants such as toxins, pesticides, metals, human and veterinary drugs, which are a very common source of food-borne diseases. The food analysis is continuously demanding the improvement of more robust, sensitive, highly efficient, and economically beneficial analytical approaches to promise the traceability, safety, and quality of foods in the acquiescence with the consumers and legislation demands. The traditional methods have been used at the starting of the 20th century based on wet chemical methods. Now it existing the powerful analytical techniques used in food analysis and safety. This development has led to substantial enhancements in the analytical accuracy, precision, sensitivity, selectivity, thereby mounting the applied range of food applications. In the present decade, microextraction (micro-scale extraction) pays more attention due to its futures such as low consumption of solvent and sample, throughput analysis easy to operate, greener, robotics, and miniaturization, different adsorbents have been used in the microextraction process with unique nature recognized with wide range applications.
Collapse
Affiliation(s)
- Muhammed Saqaf Jagirani
- Faculty of Sciences, Department of Chemistry, Erciyes University, Kayseri, Turkey.,National Center of Excellence in Analytical Chemistry, University of Sindh, Sindh, Pakistan
| | - Mustafa Soylak
- Faculty of Sciences, Department of Chemistry, Erciyes University, Kayseri, Turkey.,Technology Research and Application Center (TAUM), Erciyes University, Kayseri, Turkey
| |
Collapse
|
7
|
Ghorbani M, Aghamohammadhassan M, Ghorbani H, Zabihi A. Trends in sorbent development for dispersive micro-solid phase extraction. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105250] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
|
8
|
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.
Collapse
|
9
|
Heidari N, Ghiasvand A. A review on magnetic field-assisted solid-phase microextraction techniques. J LIQ CHROMATOGR R T 2019. [DOI: 10.1080/10826076.2019.1668804] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Nahid Heidari
- Department of Chemistry, Lorestan University, Khorramabad, Iran
| | - Alireza Ghiasvand
- Department of Chemistry, Lorestan University, Khorramabad, Iran
- School of Natural Sciences, Australian Centre for Research on Separation Science (ACROSS), University of Tasmania, Hobart, Australia
| |
Collapse
|
10
|
|
11
|
Zhou Y, Zhu J, Yang J, Lv Y, Zhu Y, Bi W, Yang X, Chen DDY. Magnetic nanoparticles speed up mechanochemical solid phase extraction with enhanced enrichment capability for organochlorines in plants. Anal Chim Acta 2019; 1066:49-57. [DOI: 10.1016/j.aca.2019.03.049] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/18/2019] [Accepted: 03/21/2019] [Indexed: 10/27/2022]
|
12
|
Ghorbani M, Aghamohammadhasan M, Shams A, Tajfirooz F, Pourhassan R, Bana Khosravi SR, Karimi E, Jampour A. Ultrasonic assisted magnetic dispersive solid phase microextraction for preconcentration of two nonsteroidal anti-inflammatory drugs in real water, biological and milk samples employing an experimental design. Microchem J 2019. [DOI: 10.1016/j.microc.2018.12.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
|
13
|
Novel controllable hydrophilic thermo-responsive molecularly imprinted resin adsorbent prepared in water for selective recognition of alkaloids by thermal-assisted dispersive solid phase extraction. J Pharm Biomed Anal 2018; 160:386-396. [PMID: 30121557 DOI: 10.1016/j.jpba.2018.08.019] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 08/07/2018] [Accepted: 08/08/2018] [Indexed: 12/13/2022]
Abstract
A novel controllable hydrophilic thermo-responsive molecularly imprinted resin (T-MIR) with a switchable zipper-like architecture was synthesized in the aqueous phase and applied to the selective recognition and extraction of alkaloids by positive temperature regulation. In this synthesis process of T-MIR, 2-acrylamide-2- methylpropanesulfonic acid (AMPS) and acrylamide (AAm) were coupled as zipper-like thermo-responsive monomers, resorcinol, and melamine as hydrophilic monomers, formaldehyde as a cross-linker, and berberine chloride (BerbC) as the template. The resulting T-MIR achieved the controlled rebinding and release of BerbC from temperature stimuli (25-45 °C) and the adsorption process followed the Langmuir isotherm (R2>0.99856) and pseudo-second-order kinetic model (R2>0.98138). The highest theory adsorption ability (33.44 mg/g) and recognition ability (imprinting factor: 4.71) of T-MIR was activated between poly(AMPS) and poly(AAm) in the zipper-like architecture at 35 °C. T-MIR was then applied to the selective recognition alkaloids by dispersive solid phase extraction. The limit of detection and limit of quantitation of the method were less than 0.025 mg/L and 0.082 mg/mL, respectively. The recoveries of the proposed method at three spiked levels were 96.8-100.8%, with a relative standard deviation of less than 4.8%. In contrast to previous thermo-responsive materials, this switchable zipper-like hydrophilic T-MIR with good adsorption, specificity recognition, and excellent temperature controllable properties provides a unique alternative to the selective recognition and controlled rebind-release alkaloids by the temperature signal.
Collapse
|
14
|
Ghiasvand AR, Abdolhosseini S, Heidari N, Paull B. Evaluation of polypyrrole/silver/polyethylene glycol nanocomposite sorbent for electroenhanced direct-immersion solid-phase microextraction of carvacrol and thymol from medicinal plants. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2018. [DOI: 10.1007/s13738-018-1447-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
15
|
Synthesis and application of magnetic molecularly imprinted polymers in sample preparation. Anal Bioanal Chem 2018; 410:3991-4014. [DOI: 10.1007/s00216-018-1013-y] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 02/08/2018] [Accepted: 03/08/2018] [Indexed: 12/21/2022]
|
16
|
Hamid Y, Fat’Hi MR. A simple vortex-assisted graphene oxide nanosheets dispersive micro-solid phase extraction combined with high-performance liquid chromatography for UV-Vis detection of tramadol in biological samples. SEP SCI TECHNOL 2018. [DOI: 10.1080/01496395.2018.1439960] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Yahya Hamid
- Department of Chemistry, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Mohammad Reza Fat’Hi
- Department of Chemistry, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| |
Collapse
|
17
|
Ultrasensitive direct determination of BTEX in polluted soils using a simple and novel pressure-controlled solid-phase microextraction setup. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2018. [DOI: 10.1007/s13738-018-1302-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
|
18
|
|
19
|
Simple, Low-Cost and Reliable Device for Vacuum-Assisted Headspace Solid-Phase Microextraction of Volatile and Semivolatile Compounds from Complex Solid Samples. Chromatographia 2017. [DOI: 10.1007/s10337-017-3422-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
|
20
|
Li G, Wang X, Row KH. Magnetic Solid-phase Extraction with Fe₃O₄/Molecularly Imprinted Polymers Modified by Deep Eutectic Solvents and Ionic Liquids for the Rapid Purification of Alkaloid Isomers (Theobromine and Theophylline) from Green Tea. Molecules 2017; 22:molecules22071061. [PMID: 28672835 PMCID: PMC6152230 DOI: 10.3390/molecules22071061] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 06/24/2017] [Accepted: 06/24/2017] [Indexed: 11/16/2022] Open
Abstract
Different kinds of deep eutectic solvents (DES) based on choline chloride (ChCl) and ionic liquids (ILs) based on 1-methylimidazole were used to modify Fe3O4/molecularly imprinted polymers (Fe3O4/MIPs), and the resulting materials were applied for the rapid purification of alkaloid isomers (theobromine and theophylline) from green tea with magnetic solid-phase extraction (M-SPE). The M-SPE procedure was optimized using the response surface methodology (RSM) to analyze the maximum conditions. The materials were characterized by Fourier transform infrared spectroscopy (FI-IR) and field emission scanning electron microscopy (FE-SEM). Compared to the ILs-Fe3O4/MIPs, the DESs-Fe3O4/MIPs were developed for the stronger recognition and higher recoveries of the isomers (theophylline and theobromine) from green tea, particularly DES-7-Fe3O4/MIPs. With RSM, the optimal recovery condition for theobromine and theophylline in the M-SPE were observed with ratio of methanol (80%) as the washing solution, methanol/acetic acid (HAc) (8:2) as the eluent at pH 3, and an eluent volume of 4 mL. The practical recoveries of theobromine and theophylline in green tea were 92.27% and 87.51%, respectively, with a corresponding actual extraction amount of 4.87 mg•g-1 and 5.07 mg•g-1. Overall, the proposed approach with the high affinity of Fe3O4/MIPs might offer a novel method for the purification of complex isomer samples.
Collapse
Affiliation(s)
- Guizhen Li
- Department of Chemistry and Chemical Engineering, Inha University, Incheon 402751, Korea.
| | - Xiaoqin Wang
- Department of Chemistry and Chemical Engineering, Inha University, Incheon 402751, Korea.
| | - Kyung Ho Row
- Department of Chemistry and Chemical Engineering, Inha University, Incheon 402751, Korea.
| |
Collapse
|
21
|
Qu Q, Tang W, Tang B, Zhu T. Highly selective purification of ferulic acid from wheat bran using deep eutectic solvents modified magnetic nanoparticles. SEP SCI TECHNOL 2017. [DOI: 10.1080/01496395.2017.1281299] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Qi Qu
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, China
| | - Weiyang Tang
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, China
| | - Baokun Tang
- College of Pharmaceutical Science, Hebei University, Baoding, China
| | - Tao Zhu
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, China
| |
Collapse
|
22
|
Utilizing a novel sorbent in the solid phase extraction for simultaneous determination of 15 pesticide residues in green tea by GC/MS. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1023-1024:44-54. [PMID: 27183089 DOI: 10.1016/j.jchromb.2016.04.053] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 04/09/2016] [Accepted: 04/30/2016] [Indexed: 11/20/2022]
Abstract
Pesticide residues exceeding standard in green tea is a widespread problem of the world's attention, containing organochlorine pesticides (OCPs), organophosphorus pesticides (OPPs), and pyrethroids. In this research, three dimensionally honeycomb Mg-Al layered double oxide (TDH-Mg-Al-LDO) combined with graphitized carbon black (GCB), packed as a column, was used as a novel solid phase extraction sorbent, applying in simultaneous determination of 15 pesticide residues in green tea coupled with GC-MS. Compared with different type of SPE column, it showed that TDH-Mg-Al-LDO exhibited great advantages in the extraction of 15 pesticide residues from green tea, which was seldom reported before. Different experiment conditions, such as combination order of Mg-Al-LDO and GCB, dosage of sorbents, type and volume of eluting solvent were thoroughly studied and optimized. The limits of detection (LODs) of 15 pesticides ranged from 0.9 to 24.2ng/g and the limits of quantifications (LOQs) were ranging from 3.0 to 80.0ng/g. The recoveries using this method at three spiked concentration levels (10, 100 and 500ng/g for Fenthion, P,P'-DDE, O,P'-DDT, P,P'-DDD and Bifenthrin, 100, 500 and 2000ng/g for the others) range from 71.1 to 119.0%. The relative standard deviation (RSD) was from 0.1 to 7.6% in all case. The result indicated that the proposed analytical method had been successfully applied for the simultaneous determination of 15 pesticide residues in commercial green tea.
Collapse
|
23
|
Tang W, Li G, Row KH, Zhu T. Preparation of hybrid molecularly imprinted polymer with double-templates for rapid simultaneous purification of theophylline and chlorogenic acid in green tea. Talanta 2016; 152:1-8. [DOI: 10.1016/j.talanta.2016.01.046] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2015] [Revised: 01/21/2016] [Accepted: 01/23/2016] [Indexed: 11/28/2022]
|
24
|
Acid–base reaction-based dispersive liquid–liquid microextraction method for extraction of three classes of pesticides from fruit juice samples. J Chromatogr A 2016; 1431:8-16. [DOI: 10.1016/j.chroma.2015.12.059] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Revised: 12/19/2015] [Accepted: 12/21/2015] [Indexed: 11/20/2022]
|
25
|
Iron oxide functionalized graphene oxide as an efficient sorbent for dispersive micro-solid phase extraction of sulfadiazine followed by spectrophotometric and mode-mismatched thermal lens spectrometric determination. Talanta 2016; 147:561-8. [DOI: 10.1016/j.talanta.2015.10.033] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2015] [Revised: 10/10/2015] [Accepted: 10/12/2015] [Indexed: 11/20/2022]
|
26
|
Li J, Wang YB, Li KY, Cao YQ, Wu S, Wu L. Advances in different configurations of solid-phase microextraction and their applications in food and environmental analysis. Trends Analyt Chem 2015. [DOI: 10.1016/j.trac.2015.04.023] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
|
27
|
Yang M, Xi X, Wu X, Lu R, Zhou W, Zhang S, Gao H. Vortex-assisted magnetic β-cyclodextrin/attapulgite-linked ionic liquid dispersive liquid–liquid microextraction coupled with high-performance liquid chromatography for the fast determination of four fungicides in water samples. J Chromatogr A 2015; 1381:37-47. [DOI: 10.1016/j.chroma.2015.01.016] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2014] [Revised: 01/07/2015] [Accepted: 01/08/2015] [Indexed: 11/30/2022]
|
28
|
Liu YX, Guo L, Guo L, Wan XF, Xiong YH, Wan YQ. Determination of Organotins in Seafood by Novel Extraction Procedures and High Performance Liquid Chromatography–Inductively Coupled Plasma-Mass Spectrometry. ANAL LETT 2015. [DOI: 10.1080/00032719.2014.968928] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
29
|
Yang M, Xi X, Yang X, Bai L, Lu R, Zhou W, Zhang S, Gao H. Determination of benzoylurea insecticides in environmental water and honey samples using ionic-liquid-mingled air-assisted liquid–liquid microextraction based on solidification of floating organic droplets. RSC Adv 2015. [DOI: 10.1039/c5ra00140d] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This method combined the advantages of air-assisted liquid–liquid microextraction and solidified floating organic droplet microextraction with a mixture extractant.
Collapse
Affiliation(s)
- Miyi Yang
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Xuefei Xi
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Xiaoling Yang
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Lizhen Bai
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Runhua Lu
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Wenfeng Zhou
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Sanbing Zhang
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| | - Haixiang Gao
- Department of Applied Chemistry
- China Agricultural University
- Beijing 100193
- China
| |
Collapse
|
30
|
Abstract
Magnetic solid phase extraction has been used as pretreatment technique for the analysis of several compounds because of its advantages when it is compared with classic methods. This methodology is based on the use of magnetic solids as adsorbents for preconcentration of different analytes from complex matrices. Magnetic solid phase extraction minimizes the use of additional steps such as precipitation, centrifugation, and filtration which decreases the manipulation of the sample. In this review, we describe the main procedures used for synthesis, characterization, and application of this pretreatment technique which were applied in food analysis.
Collapse
|