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Arabkhani P, Sadegh N, Asfaram A. Nanostructured magnetic graphene oxide/UIO-66 sorbent for ultrasound-assisted dispersive solid-phase microextraction of food colorants in soft drinks, candies, and pastilles prior to HPLC analysis. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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2
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Portable stirring device for the on-site extraction of environmental waters using magnetic hydrophilic-lipophilic balance tape. Anal Chim Acta 2022; 1189:339186. [PMID: 34815052 DOI: 10.1016/j.aca.2021.339186] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/12/2021] [Accepted: 10/16/2021] [Indexed: 12/17/2022]
Abstract
The spatial heterogeneity of environmental systems makes sampling at multiple locations crucial to provide complete and representative information. The on-site application of an extraction technique simplifies the sampling logistics, increasing sample integrity during transportation and storage. This article presents a portable, simple, and low-cost device capable of performing the simultaneous on-site extraction of several environmental water samples. The device consists of a small electric motor integrated into the plastic cap of a conventional glass bottle and operated with a portable battery. The electric motor provides stirring to a novel magnetic sorptive phase based on the deposition of hydrophilic-lipophilic balance (HLB) particles over a magnetic tape. The use of open technology makes the device globally affordable. In this first approach, the isolation and preconcentration of atrazine and simazine have been selected as proof of concept. Using an internal standard made unnecessary the adjustment of the ionic strength before the extraction, thus simplifying the analytical procedure. Under the optimum conditions and using direct infusion mass spectrometry as the instrumental technique, detection limits as low as 15 ng/L were obtained. The precision calculated at three different levels was better than 8.3%. The accuracy, calculated with spiked samples, indicates the applicability of the approach for environmental water analysis.
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Manousi N, Alampanos V, Priovolos I, Kabir A, Furton KG, Rosenberg E, Zachariadis GA, Samanidou VF. Exploring sol-gel zwitterionic fabric phase sorptive extraction sorbent as a new multi-mode platform for the extraction and preconcentration of triazine herbicides from juice samples. Food Chem 2021; 373:131517. [PMID: 34772569 DOI: 10.1016/j.foodchem.2021.131517] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 10/10/2021] [Accepted: 10/31/2021] [Indexed: 11/18/2022]
Abstract
Triazine herbicides are a class of common pesticides which are widely used to control the weeds in many agricultural crops. Although many studies have described methodologies for the determination of triazine herbicides in aqueous samples, the attention given to agricultural crops and their products is far more limited. In this study, a novel sol-gel zwitterionic multi-mode fabric phase sorptive extraction (FPSE) platform was developed for the matrix clean-up, extraction and preconcentration of five triazine herbicides from fruit juice samples prior to their determination by high performance liquid chromatography-diode array detection (HPLC-DAD). The novel zwitterionic multi-mode sorbent was characterized and its performance for fruit juice analysis was evaluated. Compared to other sol-gel sorbents, the novel zwitterionic sorbent helped cleaning all the acidic interferences from fruit juices. The herein reported FPSE protocol was optimized and validated. Under optimum conditions, the FPSE method showed good accuracy, precision and sensitivity. The limits of detection and limits of quantification for all analytes were 0.15 ng mL-1 and 0.50 ng mL-1, respectively. The enhancement factors of this method ranged between 36.7 and 51.8. The relative standard deviation for intra-day precision was below 5.6% and for inter-day precision was below 8.8%. Finally, the proposed FPSE-HPLC-DAD method was successfully employed for the analysis of various fruit juice samples.
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Affiliation(s)
- Natalia Manousi
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Vasileios Alampanos
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Ioannis Priovolos
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Abuzar Kabir
- International Forensic Research Institute, Department of Chemistry and Biochemistry, Florida International University, Miami, FL, United States
| | - Kenneth G Furton
- International Forensic Research Institute, Department of Chemistry and Biochemistry, Florida International University, Miami, FL, United States
| | - Erwin Rosenberg
- Institute of Chemical Technologies and Analytics, Vienna University of Technology, 1060 Vienna, Austria
| | - George A Zachariadis
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Victoria F Samanidou
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.
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Manousi N, Alampanos V, Priovolos I, Kabir A, Furton KG, Rosenberg E, Zachariadis GA, Samanidou VF. Designing a moderately hydrophobic sol-gel monolithic Carbowax 20 M sorbent for the capsule phase microextraction of triazine herbicides from water samples prior to HPLC analysis. Talanta 2021; 234:122710. [PMID: 34364502 DOI: 10.1016/j.talanta.2021.122710] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/30/2021] [Accepted: 07/09/2021] [Indexed: 01/23/2023]
Abstract
The determination of triazine herbicides in water samples is of utmost importance, due to their persistence and excessive use. However, since the concentration of triazine pesticides in real samples is low, an extraction/preconcentration step is typically required. Capsule phase microextraction (CPME) is a recently introduced sample preparation technique in which highly efficient sol-gel sorbents are encapsulated in a tubular polymer membrane. This particular design integrates the filtration and stirring mechanism into one extraction device, enabling the application of CPME for in situ sampling. In this study, CPME coupled to high performance liquid chromatography-diode array detection (HPLC-DAD) was employed for the first time for the determination of six triazine herbicides (i.e., simazine, cyanazine, atrazine, prometryn, terbuthylazine and propazine) in water samples. Microextraction capsules containing a moderately hydrophobic sol-gel Carbowax 20 M sorbent provided the highest extraction efficiency towards the examined pesticides. The main parameters affecting the adsorption and desorption steps of the CPME procedure were investigated and optimized. Under the selected conditions, limits of detection (signal/noise = 3.3) were 0.15 ng mL-1 for the target analytes. Moreover, the relative standard deviation for the within-day and between-days repeatability were less than 7.2% and 9.9%, respectively. The method was successfully applied to the analysis of mineral water, tap water, rainwater and lake water samples. The reported protocol could overcome the need for sample filtration prior to the sample preparation of the water samples, resulting in simplification of the overall sample handling, improved data quality with minimal loss of analytes and reduced sample preparation cost.
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Affiliation(s)
- Natalia Manousi
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece
| | - Vasileios Alampanos
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece
| | - Ioannis Priovolos
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece
| | - Abuzar Kabir
- Department of Chemistry and Biochemistry, Florida International University, Miami, FL, USA
| | - Kenneth G Furton
- Department of Chemistry and Biochemistry, Florida International University, Miami, FL, USA
| | - Erwin Rosenberg
- Institute of Chemical Technologies and Analytics, Vienna University of Technology, 1060, Vienna, Austria
| | - George A Zachariadis
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece
| | - Victoria F Samanidou
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece.
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Manousi N, Kabir A, Zachariadis GA. Recent advances in the extraction of triazine herbicides from water samples. J Sep Sci 2021; 45:113-133. [PMID: 34047458 DOI: 10.1002/jssc.202100313] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 05/25/2021] [Accepted: 05/25/2021] [Indexed: 11/11/2022]
Abstract
Pesticides are excessively used in agriculture to improve the quality of crops by eliminating the negative effects of pests. Among the different groups of pesticides, triazine pesticides are a group of compounds that contain a substituted C3 H3 N3 heterocyclic ring, and they are widely used. Triazine pesticides can be dangerous for humans as well as for the aquatic environment because of their high toxicity and endocrine disrupting effect. However, the concentration of these chemical compounds in water samples is low. Moreover, other compounds that may exist in the water samples can interfere with the determination of triazine pesticides. As a result, it is important to develop sample preparation methods that provide preconcentration of the target analyte and sufficient clean-up of the samples. Recently, a wide variety of novel microextraction and miniaturized extraction techniques (e.g., solid-phase microextraction and liquid-phase microextraction, stir bar sorptive extraction, fabric phase sorptive extraction, dispersive solid-phase extraction, and magnetic solid-phase extraction) have been developed. In this review, we aim to discuss the recent advances regarding the extraction of triazine pesticides from environmental water samples. Emphasis will be given to novel sample preparation methods and novel sorbents developed for sorbent-based extraction techniques.
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Affiliation(s)
- Natalia Manousi
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Abuzar Kabir
- Department of Chemistry and Biochemistry, Florida International University, Miami, Florida, USA
| | - George A Zachariadis
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Lasarte-Aragonés G, Lucena R, Cárdenas S. Effervescence-Assisted Microextraction-One Decade of Developments. Molecules 2020; 25:molecules25246053. [PMID: 33371453 PMCID: PMC7767422 DOI: 10.3390/molecules25246053] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/16/2020] [Accepted: 12/17/2020] [Indexed: 11/16/2022] Open
Abstract
Dispersive microextraction techniques are key in the analytical sample treatment context as they combine a favored thermodynamics and kinetics isolation of the target analytes from the sample matrix. The dispersion of the extractant in the form of tiny particles or drops, depending on the technique, into the sample enlarges the contact surface area between phases, thus enhancing the mass transference. This dispersion can be achieved by applying external energy sources, the use of chemicals, or the combination of both strategies. Effervescence-assisted microextraction emerged in 2011 as a new alternative in this context. The technique uses in situ-generated carbon dioxide as the disperser, and it has been successfully applied in the solid-phase and liquid-phase microextraction fields. This minireview explains the main fundamentals of the technique, its potential and the main developments reported.
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Peng LQ, Cao J. Modern microextraction techniques for natural products. Electrophoresis 2020; 42:219-232. [PMID: 33215711 DOI: 10.1002/elps.202000248] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 10/16/2020] [Accepted: 11/03/2020] [Indexed: 11/11/2022]
Abstract
Natural product analysis has gained wide attention in recent years, especially for herbal medicines, which contain complex ingredients and play a significant clinical role in the therapy of numerous diseases. The constituents of natural products are usually found at low concentrations, and the matrices are complex. Thus, the extraction of target compounds from natural products before analysis by analytical instruments is very significant for human health and its wide application. The commonly used traditional extraction methods are time-consuming, using large amounts of sample and organic solvents, as well as expensive and inefficient. Recently, microextraction techniques have been used for natural product extraction to overcome the disadvantages of conventional extraction methods. In this paper, the successful applications of and recent developments in microextraction techniques including solvent-based and sorbent-based microextraction methods, in natural product analysis in recent years, especially in the last 5 years, are reviewed for the first time. Their features, advantages, disadvantages, and future development trends are also discussed.
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Affiliation(s)
- Li-Qing Peng
- College of Pharmaceutical Sciences, Hangzhou Normal University, Hangzhou, 311121, P. R. China
| | - Jun Cao
- College of Pharmaceutical Sciences, Hangzhou Normal University, Hangzhou, 311121, P. R. China.,College of Material Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou, 311121, P. R. China
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Karbalaie B, Rajabi M, Fahimirad B. Dopamine-modified magnetic graphene oxide as a recoverable sorbent for the preconcentration of metal ions by an effervescence-assisted dispersive micro solid-phase extraction procedure. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:2338-2346. [PMID: 32930259 DOI: 10.1039/d0ay00522c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Nanomagnetic graphene oxide modified with dopamine (GO-Fe3O4-DA) was synthesized via a very simple procedure. Using GO-Fe3O4-DA as the new adsorbent, the effervescence-assisted dispersive micro solid-phase extraction procedure was exploited for the preconcentrative extraction of Cu(ii), Pb(ii) and Ni(ii) ions. Structural characteristics of the adsorbent were studied via FT-IR, FE-SEM, EDX and XRD analyses. The rapid dispersion and high adsorption capability of GO-Fe3O4-DA, along with the rapid separation of the adsorbent from the aqueous phase by a magnet, led to a decrease in the extraction time of the target metal ions. In effect, high extraction percentages were attained in a very short time period. In this work, the relative standard deviations (RSD; n = 3) calculated for the proposed method were 1.09, 1.25 and 1.03% for the Pb(ii), Cu(ii) and Ni(ii) ions, respectively, the calibration curve was dynamically linear in the range of 0.25 to 50 μg L-1, and the limits of detection were obtained as 0.5, 0.1, and 0.7 μg L-1. The procedure was also implemented on real sausage (herbal and meaty) samples and a water sample, vouchsafing the success of the proposed method in tackling real samples with a complicated matrix.
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Affiliation(s)
- Basira Karbalaie
- Department of Chemistry, Semnan University, Semnan 35195-363, Iran.
| | - Maryam Rajabi
- Department of Chemistry, Semnan University, Semnan 35195-363, Iran.
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Piao H, Jiang Y, Qin Z, Tao S, Ma P, Sun Y, Wang X, Song D. Development of a novel acidic task-specific ionic liquid-based effervescence-assisted microextraction method for determination of triazine herbicides in tea beverage. Talanta 2020; 208:120414. [DOI: 10.1016/j.talanta.2019.120414] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 09/28/2019] [Accepted: 09/30/2019] [Indexed: 12/29/2022]
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10
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Barfi B, Asghari A, Rajabi M. Toward use of a nano layered double hydroxide/ammonium pyrrolidine dithiocarbamate in speciation analysis: One-step dispersive solid-phase extraction of chromium species in human biological samples. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2017.06.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
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Alghuthaymi M, Asran-Amal, Mostafa M, Abd-Elsalam KA. Carbon nanotubes: An efficient sorbent for herbicide sensing and remediation. CARBON NANOMATERIALS FOR AGRI-FOOD AND ENVIRONMENTAL APPLICATIONS 2020:429-457. [DOI: 10.1016/b978-0-12-819786-8.00019-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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12
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Portable stir membrane device for on-site environmental sampling and extraction. J Chromatogr A 2019; 1606:360359. [DOI: 10.1016/j.chroma.2019.07.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 07/05/2019] [Accepted: 07/06/2019] [Indexed: 01/12/2023]
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Chu C, Wang S, Jiang L, Liu C, Zhang H, Yan J. Microwave-assisted ionic liquid-based micelle extraction combined with trace-fluorinated carbon nanotubes in dispersive micro-solid-phase extraction to determine three sesquiterpenes in roots of Curcuma wenyujin. PHYTOCHEMICAL ANALYSIS : PCA 2019; 30:700-709. [PMID: 31222867 DOI: 10.1002/pca.2848] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 04/25/2019] [Accepted: 04/30/2019] [Indexed: 06/09/2023]
Abstract
INTRODUCTION Germacrone, furanodiene and β-elemene are the representative bioactive compounds in Curcuma species. The conventional extraction methods of these three sesquiterpenes are usually time-consuming and require a large volume of hazardous organic solvents. Thus, a fast and reliable method for extracting these sesquiterpenes from Curcuma plant is required urgently. OBJECTIVE To establish a novel and simple extraction method for quantitative analysis of small amounts of sesquiterpenes in C. wenyujin plant. METHODOLOGY A method using microwave-assisted ionic liquid-micelle extraction combined with dispersive micro-solid-phase extraction (DMSPE) has been proposed for the extraction of three sesquiterpenoids in Curcuma plant. Fluorinated carbon nanotubes (FCNTs) were used as an adsorbent in DMSPE for the first time. Parameters concerning the microwave-assisted extraction (MAE) conditions and the DMSPE were investigated and evaluated to achieve optimum extraction efficiency of target analytes. RESULTS The final conditions of ionic liquid-micelle based MAE were selected to be 0.25 M of 1-decyl-3-vinylimidazolium bromide as the extraction solvent, microwave irradiation for 10 min at 60°C. And the optimal DMSPE conditions were found to be 2 μg/mL of FCNTs as the adsorbent, extraction time of 2 min and 100 μL of acetonitrile as the elution solvent. The developed method exhibited good linearities (R > 0.9990), high repeatability and recoveries. The proposed method has been successfully applied in determination of sesquiterpenes in C. wenyujin samples. CONCLUSION The work shows a potential in analysing small amounts of sesquiterpenes in complex samples and represents the first attempt of using FCNTs as an adsorbent for the microextraction mode.
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Affiliation(s)
- Chu Chu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, P. R. China
| | - Shan Wang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, P. R. China
| | - Luyi Jiang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, P. R. China
| | - Caijing Liu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, P. R. China
| | - Huan Zhang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, P. R. China
| | - Jizhong Yan
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, P. R. China
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Hamid Shirkhanloo, Kheirolnesa Merchant, Mostafa Dehghani Mobarake. Ultrasound-assisted Solid-liquid Trap Phase Extraction based on Functionalized Multi Wall Carbon Nanotubes for Preconcentration and Separation of Nickel in Petrochemical Waste Water. JOURNAL OF ANALYTICAL CHEMISTRY 2019. [DOI: 10.1134/s1061934819090090] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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ALOthman ZA, Wabaidur SM. Application of carbon nanotubes in extraction and chromatographic analysis: A review. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2018.05.012] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Fahimirad B, Rajabi M, Elhampour A. A rapid and simple extraction of anti-depressant drugs by effervescent salt-assisted dispersive magnetic micro solid-phase extraction method using new adsorbent Fe3O4@SiO2@N3. Anal Chim Acta 2019; 1047:275-284. [DOI: 10.1016/j.aca.2018.10.028] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 09/18/2018] [Accepted: 10/12/2018] [Indexed: 01/05/2023]
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18
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Bernardo SC, Sousa ACA, Neves MC, Freire MG. Use of Nanomaterials in the Pretreatment of Water Samples for Environmental Analysis. NANOMATERIALS FOR HEALTHCARE, ENERGY AND ENVIRONMENT 2019. [DOI: 10.1007/978-981-13-9833-9_6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Vosough M, Hassanbeigi Z, Salemi A. Determination of ultraviolet filter compounds in environmental water samples using membrane-protected micro-solid-phase extraction. J Sep Sci 2018; 41:2401-2410. [DOI: 10.1002/jssc.201701082] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 02/15/2018] [Accepted: 02/15/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Maryam Vosough
- Chemistry and Chemical Engineering Research Center of Iran; Tehran Iran
| | - Zahra Hassanbeigi
- Chemistry and Chemical Engineering Research Center of Iran; Tehran Iran
| | - Amir Salemi
- Environmental Sciences Research Institute; Shahid Beheshti University; Tehran Iran
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Effervescence assisted dispersive liquid-liquid microextraction based on cohesive floating organic drop for the determination of herbicides and fungicides in water and grape juice. Food Chem 2018; 245:653-658. [DOI: 10.1016/j.foodchem.2017.08.100] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 05/03/2017] [Accepted: 08/29/2017] [Indexed: 11/18/2022]
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21
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Combination of in situ metathesis reaction with a novel “magnetic effervescent tablet-assisted ionic liquid dispersive microextraction” for the determination of endogenous steroids in human fluids. Anal Bioanal Chem 2018. [DOI: 10.1007/s00216-018-0973-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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22
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D'Archivio AA, Maggi MA, Odoardi A, Santucci S, Passacantando M. Adsorption of triazine herbicides from aqueous solution by functionalized multiwall carbon nanotubes grown on silicon substrate. NANOTECHNOLOGY 2018; 29:065701. [PMID: 29226848 DOI: 10.1088/1361-6528/aaa0a0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Multi-walled carbon nanotubes (MWCNTs), because of their small size and large available surface area, are potentially efficient sorbents for the extraction of water solutes. Dispersion of MWCNTs in aqueous medium is suitable to adsorb organic contaminants from small sample volumes, but, the recovery of the suspended sorbent for successive re-use represents a critical step, which makes this method inapplicable in large-scale water-treatment technologies. To overcome this problem, we proposed here MWCNTs grown on silicon supports and investigated on a small-volume scale their adsorption properties towards triazine herbicides dissolved in water. The adsorption efficiency of the supported MWCNTs has been tested on seven triazine herbicides, which are emerging water contaminants in Europe and USA, because of their massive use, persistence in soils and potential risks for the aquatic organisms and human health. The investigated compounds, in spite of their common molecular skeleton, cover a relatively large property range in terms of both solubility in water and hydrophilicity/hydrophobicity. The functionalisation of MWCNTs carried out by acidic oxidation, apart from increasing wettability of the material, results in a better adsorption performance. Increasing of functionalisation time between 17 and 60 h progressively increases the extraction of all seven pesticides and produces a moderate increment of selectivity.
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Affiliation(s)
- Angelo Antonio D'Archivio
- Department of Physical and Chemical Science, University of L'Aquila, via Vetoio, I-67100, Coppito, L'Aquila, Italy
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An effervescence tablet-assisted switchable solvent-based microextraction: On-site preconcentration of steroid hormones in water samples followed by HPLC-UV determination. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.09.120] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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24
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Kędziora K, Wasiak W. Extraction media used in needle trap devices—Progress in development and application. J Chromatogr A 2017; 1505:1-17. [DOI: 10.1016/j.chroma.2017.05.030] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 05/10/2017] [Accepted: 05/12/2017] [Indexed: 12/13/2022]
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25
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Zhang Z, Mei M, Huang Y, Huang X, Huang H, Ding Y. Facile preparation of a polydopamine-based monolith for multiple monolithic fiber solid-phase microextraction of triazine herbicides in environmental water samples. J Sep Sci 2016; 40:733-743. [DOI: 10.1002/jssc.201601127] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2016] [Revised: 11/11/2016] [Accepted: 11/17/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Zirui Zhang
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem; College of the Environment and Ecology; Xiamen University; Xiamen China
| | - Meng Mei
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem; College of the Environment and Ecology; Xiamen University; Xiamen China
| | - Yanmei Huang
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem; College of the Environment and Ecology; Xiamen University; Xiamen China
| | - Xiaojia Huang
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem; College of the Environment and Ecology; Xiamen University; Xiamen China
| | - Hanyue Huang
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem; College of the Environment and Ecology; Xiamen University; Xiamen China
| | - Yuxin Ding
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem; College of the Environment and Ecology; Xiamen University; Xiamen China
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26
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Wei Q, Song Z, Nie J, Xia H, Chen F, Li Z, Lee M. Tablet-effervescence-assisted dissolved carbon flotation for the extraction of four triazole fungicides in water by gas chromatography with mass spectrometry. J Sep Sci 2016; 39:4603-4609. [DOI: 10.1002/jssc.201600619] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 08/24/2016] [Accepted: 10/03/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Qizhen Wei
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou China
| | - Zhiyu Song
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou China
| | - Jing Nie
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou China
| | - Hailun Xia
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou China
| | - Fujiang Chen
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou China
| | - Zuguang Li
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou China
| | - Mawrong Lee
- Department of Chemistry; National Chung-Hsing University; Taichung Taiwan
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27
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Wu X, Yang M, Zeng H, Xi X, Zhang S, Lu R, Gao H, Zhou W. Effervescence-assisted dispersive solid-phase extraction using ionic-liquid-modified magnetic β-cyclodextrin/attapulgite coupled with high-performance liquid chromatography for fungicide detection in honey and juice. J Sep Sci 2016; 39:4422-4428. [PMID: 27670749 DOI: 10.1002/jssc.201600596] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 08/15/2016] [Accepted: 09/16/2016] [Indexed: 11/06/2022]
Abstract
In this study, a simple effervescence-assisted dispersive solid-phase extraction method was developed to detect fungicides in honey and juice. Most significantly, an innovative ionic-liquid-modified magnetic β-cyclodextrin/attapulgite sorbent was used because its large specific surface area enhanced the extraction capacity and also led to facile separation. A one-factor-at-a-time approach and orthogonal design were employed to optimize the experimental parameters. Under the optimized conditions, the entire extraction procedure was completed within 3 min. In addition, the calibration curves exhibited good linearity, and high enrichment factors were achieved for pure water and honey samples. For the honey samples, the extraction efficiencies for the target fungicides ranged from 77.0 to 94.3% with relative standard deviations of 2.3-5.44%. The detection and quantitation limits were in the ranges of 0.07-0.38 and 0.23-1.27 μg/L, respectively. Finally, the developed technique was successfully applied to real samples, and satisfactory results were achieved. This analytical technique is cost-effective, environmentally friendly, and time-saving.
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Affiliation(s)
- Xiaoling Wu
- Department of Applied Chemistry, China Agricultural University, Beijing, China
| | - Miyi Yang
- Department of Applied Chemistry, China Agricultural University, Beijing, China
| | - Haozhe Zeng
- Department of Applied Chemistry, China Agricultural University, Beijing, China
| | - Xuefei Xi
- Department of Applied Chemistry, China Agricultural University, Beijing, China
| | - Sanbing Zhang
- Department of Applied Chemistry, China Agricultural University, Beijing, China
| | - Runhua Lu
- Department of Applied Chemistry, China Agricultural University, Beijing, China
| | - Haixiang Gao
- Department of Applied Chemistry, China Agricultural University, Beijing, China
| | - Wenfeng Zhou
- Department of Applied Chemistry, China Agricultural University, Beijing, China
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28
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Effective extraction of triazines from environmental water samples using magnetism-enhanced monolith-based in-tube solid phase microextraction. Anal Chim Acta 2016; 937:69-79. [DOI: 10.1016/j.aca.2016.08.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 07/29/2016] [Accepted: 08/03/2016] [Indexed: 12/20/2022]
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29
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Jakubus A, Paszkiewicz M, Stepnowski P. Carbon Nanotubes Application in the Extraction Techniques of Pesticides: A Review. Crit Rev Anal Chem 2016; 47:76-91. [DOI: 10.1080/10408347.2016.1209105] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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30
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Yang X, Zhang P, Li X, Hu L, Gao H, Zhang S, Zhou W, Lu R. Effervescence-assisted β-cyclodextrin/attapulgite composite for the in-syringe dispersive solid-phase extraction of pyrethroids in environmental water samples. Talanta 2016; 153:353-9. [DOI: 10.1016/j.talanta.2016.03.007] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2015] [Revised: 02/22/2016] [Accepted: 03/02/2016] [Indexed: 11/24/2022]
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31
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Preparation of a Co-doped hierarchically porous carbon from Co/Zn-ZIF: An efficient adsorbent for the extraction of trizine herbicides from environment water and white gourd samples. Talanta 2016; 152:321-8. [DOI: 10.1016/j.talanta.2016.02.005] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Revised: 01/24/2016] [Accepted: 02/01/2016] [Indexed: 11/17/2022]
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32
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Białk-Bielińska A, Kumirska J, Borecka M, Caban M, Paszkiewicz M, Pazdro K, Stepnowski P. Selected analytical challenges in the determination of pharmaceuticals in drinking/marine waters and soil/sediment samples. J Pharm Biomed Anal 2016; 121:271-296. [DOI: 10.1016/j.jpba.2016.01.016] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 01/05/2016] [Accepted: 01/07/2016] [Indexed: 01/01/2023]
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33
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Medinskaia K, Vakh C, Aseeva D, Andruch V, Moskvin L, Bulatov A. A fully automated effervescence assisted dispersive liquid–liquid microextraction based on a stepwise injection system. Determination of antipyrine in saliva samples. Anal Chim Acta 2016; 902:129-134. [DOI: 10.1016/j.aca.2015.11.017] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 11/04/2015] [Accepted: 11/08/2015] [Indexed: 11/30/2022]
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34
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Wang SL, Pang XQ, Cao J, Cao W, Xu JJ, Zhu QY, Zhang QY, Peng LQ. Effervescence and graphitized multi-walled carbon nanotubes assisted microextraction for natural antioxidants by ultra high performance liquid chromatography with electrochemical detection and quadrupole time-of-flight tandem mass spectrometry. J Chromatogr A 2015; 1418:12-20. [DOI: 10.1016/j.chroma.2015.09.043] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Revised: 08/20/2015] [Accepted: 09/15/2015] [Indexed: 02/07/2023]
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35
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Zawisza B, Baranik A, Malicka E, Talik E, Sitko R. Preconcentration of Fe(III), Co(II), Ni(II), Cu(II), Zn(II) and Pb(II) with ethylenediamine-modified graphene oxide. Mikrochim Acta 2015; 183:231-240. [PMID: 26766877 PMCID: PMC4701767 DOI: 10.1007/s00604-015-1629-y] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 08/24/2015] [Indexed: 11/03/2022]
Abstract
We describe a novel solid phase sorbent that was synthesized by coupling graphene oxide (GO) to ethylenediamine (EDA). This nanomaterial (referred to as GO-EDA) is capable of adsorbing the ions of iron, cobalt, nickel, copper, zinc and lead. The ethylenediamine-modified graphene oxide was characterized by X-ray photoelectron spectroscopy, scanning electron microscopy and Fourier transform infrared spectroscopy. The analytical procedure relies on (a) sorption of metal ions on GO-EDA dispersed in aqueous samples; (b) filtering, and (c) direct submission of the filter paper to energy-dispersive X-ray fluorescence spectrometry. This kind of dispersive micro-solid phase extraction was optimized with respect to pH values, concentration of GO-EDA, contact time, and the effects of interfering ions and humic acid on recovery of determined elements. Under optimized conditions, the recoveries of spiked samples range from 90 to 98 %. The detection limits are 0.07, 0.10, 0.07, 0.08, 0.06 and 0.10 ng mL-1 for Fe(III), Co(II), Ni(II), Cu(II), Zn(II) and Pb(II), respectively. The method has a relative standard deviation of <6 %, and its accuracy was verified by analysis of two standard reference materials [LGC6016 (estuarine water) and BCR-610 (groundwater)]. It was successfully applied to the determination of trace amounts of these metal ions in water samples. Graphical AbstractGraphene oxide was coupled to ethylenediamine in order to obtain an effective sorbent (GO-EDA) for preconcentration of Fe(III), Co(II), Ni(II), Cu(II), Zn(II) and Pb(II) from environmental water samples.
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Affiliation(s)
- Beata Zawisza
- />Institute of Chemistry, University of Silesia, ul. Szkolna 9, 40-006 Katowice, Poland
| | - Anna Baranik
- />Institute of Chemistry, University of Silesia, ul. Szkolna 9, 40-006 Katowice, Poland
| | - Ewa Malicka
- />Institute of Chemistry, University of Silesia, ul. Szkolna 9, 40-006 Katowice, Poland
| | - Ewa Talik
- />Institute of Physics, University of Silesia, ul. Uniwersytecka 4, 40-007 Katowice, Poland
| | - Rafał Sitko
- />Institute of Chemistry, University of Silesia, ul. Szkolna 9, 40-006 Katowice, Poland
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36
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LI MJ, ZHANG HY, LIU XZ, CUI CY, SHI ZH. Progress of Extraction Solvent Dispersion Strategies for Dispersive Liquid-liquid Microextraction. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2015. [DOI: 10.1016/s1872-2040(15)60851-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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37
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Xu L, Qi X, Li X, Bai Y, Liu H. Recent advances in applications of nanomaterials for sample preparation. Talanta 2015; 146:714-26. [PMID: 26695321 DOI: 10.1016/j.talanta.2015.06.036] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Revised: 06/08/2015] [Accepted: 06/13/2015] [Indexed: 12/30/2022]
Abstract
Sample preparation is a key step for qualitative and quantitative analysis of trace analytes in complicated matrix. Along with the rapid development of nanotechnology in material science, numerous nanomaterials have been developed with particularly useful applications in analytical chemistry. Benefitting from their high specific areas, increased surface activities, and unprecedented physical/chemical properties, the potentials of nanomaterials for rapid and efficient sample preparation have been exploited extensively. In this review, recent progress of novel nanomaterials applied in sample preparation has been summarized and discussed. Both nanoparticles and nanoporous materials are evaluated for their unusual performance in sample preparation. Various compositions and functionalizations extended the applications of nanomaterials in sample preparations, and distinct size and shape selectivity was generated from the diversified pore structures of nanoporous materials. Such great variety make nanomaterials a kind of versatile tools in sample preparation for almost all categories of analytes.
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Affiliation(s)
- Linnan Xu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Xiaoyue Qi
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Xianjiang Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Yu Bai
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.
| | - Huwei Liu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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38
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Barfi B, Asghari A, Rajabi M, Sabzalian S, Khanalipoor F, Behzad M. Optimized syringe-assisted dispersive micro solid phase extraction coupled with microsampling flame atomic absorption spectrometry for the simple and fast determination of potentially toxic metals in fruit juice and bio-fluid samples. RSC Adv 2015. [DOI: 10.1039/c5ra03537f] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Syringe assisted dispersive micro solid phase extraction coupled with microsampling flame atomic absorption spectrometry as a novel method for potentially toxic metals extraction.
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Affiliation(s)
- Behruz Barfi
- Department of Chemistry
- Semnan University
- Semnan 35195-363
- Iran
| | - Alireza Asghari
- Department of Chemistry
- Semnan University
- Semnan 35195-363
- Iran
| | - Maryam Rajabi
- Department of Chemistry
- Semnan University
- Semnan 35195-363
- Iran
| | | | | | - Mahdi Behzad
- Department of Chemistry
- Semnan University
- Semnan 35195-363
- Iran
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39
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Roldán-Pijuán M, Lucena R, Cárdenas S, Valcárcel M, Kabir A, Furton KG. Stir fabric phase sorptive extraction for the determination of triazine herbicides in environmental waters by liquid chromatography. J Chromatogr A 2015; 1376:35-45. [DOI: 10.1016/j.chroma.2014.12.027] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 12/04/2014] [Accepted: 12/07/2014] [Indexed: 10/24/2022]
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40
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Effervescent-salt-assisted dispersive micro-solid-phase extraction using mesoporous hybrid materials coupled with ultra-performance liquid chromatography for the determination of trace-level compounds in complicated plant preparations. Anal Bioanal Chem 2014; 407:1763-73. [DOI: 10.1007/s00216-014-8396-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Revised: 11/20/2014] [Accepted: 12/08/2014] [Indexed: 10/24/2022]
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41
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Liu X, Shen Z, Wang P, Liu C, Zhou Z, Liu D. Effervescence assisted on-site liquid phase microextraction for the determination of five triazine herbicides in water. J Chromatogr A 2014; 1371:58-64. [DOI: 10.1016/j.chroma.2014.10.068] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Revised: 10/21/2014] [Accepted: 10/23/2014] [Indexed: 11/28/2022]
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42
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Jiang W, Chen X, Liu F, You X, Xue J. Effervescence-assisted dispersive liquid-liquid microextraction using a solid effervescent agent as a novel dispersion technique for the analysis of fungicides in apple juice. J Sep Sci 2014; 37:3157-63. [DOI: 10.1002/jssc.201400695] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Revised: 08/01/2014] [Accepted: 08/02/2014] [Indexed: 11/06/2022]
Affiliation(s)
- Wenqing Jiang
- College of Science; China Agricultural University; Beijing P. R. China
| | - Xiaochu Chen
- College of Science; China Agricultural University; Beijing P. R. China
| | - Fengmao Liu
- College of Science; China Agricultural University; Beijing P. R. China
| | - Xiangwei You
- College of Science; China Agricultural University; Beijing P. R. China
- Tobacco Research Institute; Chinese Academy of Agricultural Sciences; Qingdao P. R. China
| | - Jiaying Xue
- College of Science; China Agricultural University; Beijing P. R. China
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43
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Recent applications of carbon nanotube sorbents in analytical chemistry. J Chromatogr A 2014; 1357:110-46. [DOI: 10.1016/j.chroma.2014.05.035] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Revised: 05/12/2014] [Accepted: 05/13/2014] [Indexed: 01/10/2023]
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44
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Liang X, Liu S, Wang S, Guo Y, Jiang S. Carbon-based sorbents: Carbon nanotubes. J Chromatogr A 2014; 1357:53-67. [DOI: 10.1016/j.chroma.2014.04.039] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Revised: 04/11/2014] [Accepted: 04/11/2014] [Indexed: 10/25/2022]
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45
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Effervescence assisted dispersive liquid–liquid microextraction with extractant removal by magnetic nanoparticles. Anal Chim Acta 2014; 807:61-6. [DOI: 10.1016/j.aca.2013.11.029] [Citation(s) in RCA: 87] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Revised: 11/12/2013] [Accepted: 11/14/2013] [Indexed: 11/21/2022]
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46
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Roldán-Pijuán M, Lucena R, Alcudia-León M, Cárdenas S, Valcárcel M. Stir octadecyl-modified borosilicate disk for the liquid phase microextraction of triazine herbicides from environmental waters. J Chromatogr A 2013; 1307:58-65. [DOI: 10.1016/j.chroma.2013.07.086] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Revised: 07/16/2013] [Accepted: 07/22/2013] [Indexed: 01/23/2023]
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47
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Kharissova OV, Kharisov BI, de Casas Ortiz EG. Dispersion of carbon nanotubes in water and non-aqueous solvents. RSC Adv 2013. [DOI: 10.1039/c3ra43852j] [Citation(s) in RCA: 182] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
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