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Hammood NH, Kadhim FA, Al-Gufaili MK, Azooz EA, Snigur D. A Comparative Review of Solidified Floating Organic Drop Microextraction Methods for Metal Separation: recent Developments, Enhanced co-Factors, Challenges, and Environmental Assessment. Crit Rev Anal Chem 2024:1-14. [PMID: 38949955 DOI: 10.1080/10408347.2024.2366939] [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: 07/03/2024]
Abstract
The current work is devoted to a comparative analysis of enhanced co-factors in solidified floating organic drop microextraction methods (SFODME) and an environmental assessment. Also, the description of SFODME, with a focus on its applications in the determination of metals in different matrices, was explained. The impact of several parameters, developments, and greenness evaluations was introduced. Especially, the review provides a concise overview of the multiple approaches to SFODME, with an emphasis on environmentally friendly, supported co-factors. These mods include ultrasound, vortex, and air-assisted SFODME procedures. The selectivity and sensitivity increase when co-factors are added to SFODME. Lastly, the analysis also aims to select tools (Analytic GREEnness Metric Approach (AGREE), Red-Green-Blue (RGB12), and Blue Applicability Grade Index (BAGI)) that have been described as environmentally friendly. Additionally provide an explanation of the data collected, compare, and emphasize the advantages of certain characteristics in each tool. Furthermore, case studies and comparisons for three tools were shown.
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Affiliation(s)
| | - Fatimah Abdulwahhab Kadhim
- Al-Shahid Abd Al-Muneim Alfaris School in Kufa, The General Directorate of Education Al-Najaf, Ministry of Education, Iraq
| | - Melath K Al-Gufaili
- The Gifted Students' School in Najaf, The General Directorate of Education Al-Najaf, Ministry of Education, Iraq
| | - Ebaa Adnan Azooz
- The Gifted Students' School in Najaf, The General Directorate of Education Al-Najaf, Ministry of Education, Iraq
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | - Denys Snigur
- Department of Analytical and Toxicological Chemistry, Odesa I.I. Mechnikov National University, Odesa, Ukraine
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Fattahi N, Ahmed HL, Nematifar Z, Hashemi N, Moradi M, Soltani S, Akbari S. Acid-based deep eutectic solvents followed by GFAAS for the speciation of As(III), As(V), total inorganic arsenic and total arsenic in rice samples. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2024; 41:617-628. [PMID: 38669467 DOI: 10.1080/19440049.2024.2344225] [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: 01/28/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024]
Abstract
In the present study, an efficacious, safe, inexpensive and eco-friendly microextraction was provided by deep eutectic solvents based on dispersive liquid-liquid microextraction (DLLME - DES) followed by GFAAS. A series of DESs were synthesised using l-menthol as hydrogen bond acceptor (HBA) and carboxylic acids with 4, 6, 8 and 10 carbon atoms as hydrogen bond donors (HBD). The synthesised DESs were used as extractants of arsenic ions. Under optimised conditions, good linearity with coefficient of determination (r2) 0.992 and an acceptable linear range of 0.3-100 µg kg-1 was obtained. The limit of detection was 0.1 µg kg-1 (S/N = 3) for arsenite (As(III)) ions, and a high enrichment factor (EF = 200) was obtained. The enhancement factor and extraction recovery (ER%) of the method were 340 and 60%, respectively. RSDs including inter- and intra-day ranged from 3.2% to 5.8% in three examined concentrations. After a specific digestion, the capability of the synthesised DES in the extraction of As(III) from rice was tested. Total inorganic arsenic was separated similarly after reduction of arsenate (As(V)) to As(III), and As(V) concentration was calculated by difference. Using a second digestion method, total arsenic concentration (sum of organic and inorganic arsenic) in the samples was determined.
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Affiliation(s)
- Nazir Fattahi
- Research Center for Environmental Determinants of Health (RCEDH), Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | | | - Ziba Nematifar
- Research Center for Environmental Determinants of Health (RCEDH), Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Negin Hashemi
- College of Medicine, University of Garmian, Kalar, Sulaymaniyah, Iraq
| | - Masoud Moradi
- Research Center for Environmental Determinants of Health (RCEDH), Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Shahin Soltani
- Research Center for Environmental Determinants of Health (RCEDH), Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Shahram Akbari
- Research Center for Environmental Determinants of Health (RCEDH), Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Yan J, Zhang C, Wang C, Lu D, Chen S. A novel separation and preconcentration methodology based on direct immersion dual-drop microextraction for speciation of inorganic chromium in environmental water samples. Talanta 2023; 255:123902. [PMID: 36580807 DOI: 10.1016/j.talanta.2022.123902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 08/17/2022] [Accepted: 08/27/2022] [Indexed: 01/26/2023]
Abstract
In this study, for the first time, a novel separation and preconcentration method of direct immersion dual-drop microextraction (DIDDME) was proposed for the species of inorganic chromium (Cr(III) and Cr(VI)) followed by graphite furnace atomic absorption spectrometry detection. The methodology is based on that two organic drops hold on the needle tips of microsyringes were concurrently immersed in a stirred sample solution. Each drop contains a chelating reagent, which can react with a specific species under the same pH value. Therefore, Cr(III) and Cr(VI) can be selectively extracted into different drops. This procedure did not require tedious and complicated pre-oxidation/pre-reduction and centrifugation/filtration operations, which may lead to the risk of sample contamination and analysis errors. Main parameters influencing separation, preconcentration and identification of the target species were investigated. An enrichment factor of 400-fold was obtained for Cr(III) and Cr(VI). Under the optimized conditions, detection limits for this method were 1.1 ng L-1 and 1.4 ng L-1 for Cr(III) and Cr(VI) with relative standard deviations of 5.1 and 6.3%, respectively. This procedure was applied for the separation, preconcentration and determination of Cr(III) and Cr(VI) in environmental water samples and certified reference materials with satisfactory results. Recoveries of spiked experiments ranged from 86.0 to 112%.
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Affiliation(s)
- Juntao Yan
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, 430023, PR China
| | - Chenghao Zhang
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, 430023, PR China
| | - Chunlei Wang
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, 430023, PR China
| | - Dengbo Lu
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, 430023, PR China
| | - Shizhong Chen
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, 430023, PR China.
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Yilmaz E, Erbas Z, Soylak M. Hydrolytic enzyme modified magnetic nanoparticles: An innovative and green microextraction system for inorganic species in food samples. Anal Chim Acta 2021; 1178:338808. [PMID: 34482859 DOI: 10.1016/j.aca.2021.338808] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 06/24/2021] [Accepted: 06/26/2021] [Indexed: 11/18/2022]
Abstract
In the presented study, the usability of hydrolytic enzyme immobilized magnetic nanoparticles as an extraction agent for the microextraction of metal ions from food samples was investigated. α-amylase modified magnetic carbon nanotubes (α-amylase-Fe3O4/MWCNTs) was used as an extraction agent for direct microextraction of trace arsenic from food sample phase into liquid phase medium prior to its ICP-MS determination. In extraction studies using hydrolytic enzymes, it is impossible to recover the free soluble enzyme after extraction without losing its activity. In our study, this problem was overcome by immobilizing the hydrolytic enzyme on magnetic support. In this way, α-amylase-Fe3O4/MWCNTs as an extraction agent with a reuse property of at least six times was used. α-amylase-Fe3O4/MWCNTs was characterized by FT-IR, XRD, SEM, SEM-EDX, VSM, TGA, and DTG techniques. Optimization of the presented method was performed using 1568 A rice flour certified reference material. Analytical parameters such as type of hydrolytic enzyme, pH and volume of the aqueous phase, extraction temperature and ultrasonic irridation time were optimized. The microextraction step was performed in ultrasonic water bath within only ∼15 min. Limit of detection (LOD), limit of quantification (LOQ) and relative standard deviation (RSD %) values for the developed method were found to be 14.3 μg kg-1, 47.3 μg kg-1 and 7.5%, respectively. The method was successfully applied to the analysis of arsenic contents of different rice and flour samples.
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Affiliation(s)
- Erkan Yilmaz
- Erciyes University, Faculty of Pharmacy, Department of Analytical Chemistry, 38039, Kayseri, Turkey; Technology Research & Application Center (TAUM), Erciyes University, 38039, Kayseri, Turkey; ERNAM Erciyes University, Nanotechnology Application and Research Center, 38039, Kayseri, Turkey
| | - Zeliha Erbas
- Technology Research & Application Center (TAUM), Erciyes University, 38039, Kayseri, Turkey; Erciyes University, Faculty of Sciences, Department of Chemistry, 38039, Kayseri-Turkey; Science and Technology Application and Research Center, Yozgat Bozok University, 66200, Yozgat, Turkey
| | - Mustafa Soylak
- Technology Research & Application Center (TAUM), Erciyes University, 38039, Kayseri, Turkey; Erciyes University, Faculty of Sciences, Department of Chemistry, 38039, Kayseri-Turkey; Turkish Academy of Sciences (TUBA), Cankaya, Ankara, Turkey.
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Chen S, Liu Y, Wang C, Yan J, Lu D. Magnetic dispersive micro-solid phase extraction coupled with dispersive liquid-liquid microextraction followed by graphite furnace atomic absorption spectrometry for quantification of Se(IV) and Se(VI) in food samples. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2021; 38:1539-1550. [PMID: 34157956 DOI: 10.1080/19440049.2021.1927202] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
In this work, magnetic dispersive micro-solid phase extraction (MDMSPE) coupled with dispersive liquid-liquid microextraction (DLLME) was developed for Se(IV) and Se(VI) followed by graphite furnace atomic absorption spectrometry. MDMSPE involved the use of magnetic ZnFe2O4 nanotubes for adsorbing Se(VI). The sorbent was isolated from aqueous phase by using an external magnetic field instead of tedious centrifugation or filtration. In the following step, Se(IV) in the upper aqueous phase of MDMSPE was enriched by DLLME. Samples were prepared with artificial gastric juice to avoid the inter-conversion of target species. The main factors affecting the determination of the analytes were studied in detail. the detection limits of this method were 1.0 and 1.3 pg mL-1 for Se(IV) and Se(VI) with relative standard deviations of 4.6% and 5.1% (c = 1.0 ng mL-1, n = 9), respectively. An enrichment factor of 200 was obtained. This method was used for the detection of Se(IV) and Se(VI) in food samples without any pre-oxidation or pre-reduction operation. A certified reference material of milk powder was analysed by this method, and the determined values were in good agreement with the certified values. Recoveries of spike experiments were in the range of 91.0-107%.
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Affiliation(s)
- Shizhong Chen
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Yuxiu Liu
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Chunlei Wang
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Juntao Yan
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Dengbo Lu
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, China
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Elik A, Tuzen M, Hazer B, Kaya S, Katin KP, Altunay N. Development of sensitive and accurate solid-phase microextraction procedure for preconcentration of As(III) ions in real samples. Sci Rep 2021; 11:5481. [PMID: 33750835 PMCID: PMC7970910 DOI: 10.1038/s41598-021-84819-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 02/08/2021] [Indexed: 12/31/2022] Open
Abstract
We synthesized the poly(methyl methacrylate-co-2-aminoethyl methacrylate (PMaema) amphiphilic copolymer in a form of solid phase adsorbent. Then it was used for separation, preconcentration and determination of trace amount of As(III) ions from foods and waters with hydride generation atomic absorption spectrometry. The PMaema was characterized by fourier transform infrared spectrometer and nuclear magnetic resonance spectrometer. The adsorption of As(III) to the PMaema was also supported using computational chemistry studies. The experimental parameters (pH, PMaema amount, adsorption time and ethanol volume) were optimized using a three-level Box-Behnken design with four experimental factors. We observed linear calibration curve for the PMaema amount in the 10-500 ng L-1 range (R2 = 0.9956). Limit of detection, preconcentration factor and sorbent capacity of PMaema were equal to 3.3 ng L-1, 100 and 75.8 mg g-1, respectively. The average recoveries (spiked at 50 ng L-1) changes in the range of 91.5-98.6% with acceptable relative standard deviation less than 4.3%. After validation studies, the method was successfully applied for separation, preconcentration and determination of trace amount of As(III) from foods and waters.
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Affiliation(s)
- Adil Elik
- Department of Chemistry, Sivas Cumhuriyet University, 58140, Sivas, Turkey
| | - Mustafa Tuzen
- Faculty of Science and Arts, Chemistry Department, Tokat Gaziosmanpasa University, 60250, Tokat, Turkey.
- Center for Environment and Water, King Fahd University of Petroleum and Minerals, Research Institute, Dhahran, 31261, Saudi Arabia.
| | - Baki Hazer
- Department of Aircraft Airframe Engine Maintenance, Kapadokya University, Urgup, 50420, Nevşehir, Turkey
- Chemistry Department, Zonguldak Bulent Ecevit University, 67100, Zonguldak, Turkey
| | - Savaş Kaya
- Health Services Vocational School, Department of Pharmacy, Sivas Cumhuriyet University, 58140, Sivas, Turkey
| | - K P Katin
- Institute of Nanoengineering in Electronics, Spintronics and Photonics, National Research Nuclear University "MEPhI", Kashirskoe Shosse 31, Moscow, 115409, Russia
| | - Nail Altunay
- Department of Biochemistry, Sivas Cumhuriyet University, TR-58140, Sivas, Turkey.
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Chen S, Liu Y, Yan J, Wang C, Lu D. Fibrous g-C3N4@Tio2 Nanocomposites-Based Dispersive Micro-Solid Phase Extraction for Chromium Speciation in Cow Milk by ICP-MS after Digestion Treatment with Artificial Gastric Juice. J AOAC Int 2021; 104:129-136. [PMID: 33078194 DOI: 10.1093/jaoacint/qsaa118] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 08/11/2020] [Accepted: 08/11/2020] [Indexed: 01/18/2023]
Abstract
BACKGROUND Chromium is an interesting element because its toxicity depends on its speciation. Thus, knowledge of Cr speciation in cow milk is essential to human health. OBJECTIVE This study aims to achieve real bioaccessible species in cow milk, including Cr(III), Cr(VI), residual, digestible, and total Cr. METHODS Samples were treated with artificial gastric juice, followed by dispersive micro-solid phase extraction (DMSPE) combined with ICP-MS for Cr speciation. Fibrous g-C3N4@TiO2 nanocomposites (FGCTNCs) were used as a novel adsorbent for DMSPE. RESULTS The method detection limits were 110 pg/g (Cr(III)) and 260 pg/g (Cr(VI)) for milk powder (0.1 g), and 5.1 pg/g (Cr(III)) and 13 pg/g (Cr(VI)) for liquid cow milk (2 mL). The relative standard deviations (RSDs), obtained by analyzing the standard solutions containing 1.0 ng/mL of the analytes in sequence for nine times, were 4.3% and 5.1% for Cr(III) and Cr(VI), respectively. Linearity was observed over the range of 4 magnitude orders with correlation coefficients better than 0.9961. The enrichment factor of 100 was obtained. The majority of Cr in the samples was transferred into digestion solution. The content of Cr(III) is much higher than that of Cr(VI) in the digestion solution. CONCLUSIONS This method has the advantages of reduced solvent consumption, less adsorbent dosage, and high extraction efficiency. It may become a valuable strategy for elemental species in food samples. HIGHLIGHTS The samples were treated with artificial gastric juice to avoid the inter-conversion of species. FGCTNCs exhibit the merits of N-rich functional groups and selective adsorption for the analytes.
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Affiliation(s)
- Shizhong Chen
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, P.R. China
| | - Yuxiu Liu
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, P.R. China
| | - Juntao Yan
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, P.R. China
| | - Chunlei Wang
- College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, P.R. China
| | - Dengbo Lu
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, P.R. China
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Jiang Z, Tian Z, Zhang C, Li D, Wu R, Tian N, Xing L, Ma L. Recent Advances in Speciation Analyses of Tobacco and Other Important Economic Crops. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411017999201201115234] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Speciation analysis is defined as the analytical activities of identifying and/or measuring the
quantities of one or more individual chemical species in a sample. The knowledge of elemental species provides more
complete information about mobility, bioavailability and the impact of elements on ecological systems or biological
organisms. It is no longer sufficient to quantitate the total elemental content of samples to define toxicity or essentiality.
Thus speciation analysis is of vital importance and generally offers a better understanding of a specific element.
Discussion:
Thorough speciation scheme consisting of sampling, sample preparation, species analysis and evaluation
were described. Special emphasis is placed on recent speciation analysis approaches including both direct and coupling
methods. A current summary of advantages and limitations of the various methods as well as an illustrative method
comparison are presented. Certain elements and species of interest are briefly mentioned and practical examples of
speciation applications in tobacco and other important economic crops are also discussed.
Aim/Conclusion:
This review aims to offer comprehensive knowledge about elemental speciation and provide readers
with valuable information. Many strategies have been developed for the determination of multiple elemental species in
tobacco and other important economic crops. Nevertheless, it is an eternal pursuit to establish speciation methods which
can balance accuracy, agility as well as universality.
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Affiliation(s)
- Zhiping Jiang
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd, China
| | - Zhizhang Tian
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd, China
| | - Chuntao Zhang
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd, China
| | - Dengke Li
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd, China
| | - Ruoxin Wu
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd, China
| | - Nan Tian
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd, China
| | - Lixia Xing
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd, China
| | - Lichao Ma
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd, China
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Khan WA, Arain MB, Soylak M. Nanomaterials-based solid phase extraction and solid phase microextraction for heavy metals food toxicity. Food Chem Toxicol 2020; 145:111704. [DOI: 10.1016/j.fct.2020.111704] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/10/2020] [Accepted: 08/19/2020] [Indexed: 12/25/2022]
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Chen S, Wang C, Yan J, Lu D. Use of fibrous TiO2@graphitic carbon nitride nanocomposites in dispersive micro-solid phase extraction for arsenic species before inductively coupled plasma mass spectrometry determination. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105211] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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11
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Chen S, Liu Y, Wang C, Yan J, Lu D. Determination of Antimony Speciation in Cow Milk Using Dispersive Micro-solid Phase Extraction Based on Fibrous TiO2@g-C3N4 Nanocomposites and ICP-MS After Sample Pretreatment by Artificial Gastric Juice. FOOD ANAL METHOD 2020. [DOI: 10.1007/s12161-020-01818-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Cui Y, Shao Y, Wang Q, Mei L, Tao Y. Purification of Flavonolignan Diastereoisomers from Arenaria kansuensis by Two-Dimensional Liquid Chromatography Combined with Solid-Phase Extraction. J Chromatogr Sci 2019; 57:418-425. [DOI: 10.1093/chromsci/bmz010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 12/24/2018] [Accepted: 01/15/2019] [Indexed: 01/05/2023]
Affiliation(s)
- Yulei Cui
- Northwest Institute of Plateau Biology, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province, Xining, Qinghai, P.R. China
- College of Life Science, University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Yun Shao
- Northwest Institute of Plateau Biology, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province, Xining, Qinghai, P.R. China
| | - Qilan Wang
- Northwest Institute of Plateau Biology, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province, Xining, Qinghai, P.R. China
| | - Lijuan Mei
- Northwest Institute of Plateau Biology, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province, Xining, Qinghai, P.R. China
| | - Yanduo Tao
- Northwest Institute of Plateau Biology, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province, Xining, Qinghai, P.R. China
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Milani RF, Lima de Paiva E, Peron LI, Morgano MA, Cadore S. Arsenic species in herbal tea leaves and infusions determination by HPLC-ICP-MS. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2018.09.032] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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14
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Enzyme-assisted extraction and liquid chromatography-inductively coupled plasma mass spectrometry for the determination of arsenic species in fish. J Chromatogr A 2018; 1573:48-58. [PMID: 30195857 DOI: 10.1016/j.chroma.2018.08.068] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Revised: 08/28/2018] [Accepted: 08/31/2018] [Indexed: 02/05/2023]
Abstract
A sensitive, simple and rapid method for the simultaneous determination of eleven arsenic species has been developed. A high performance liquid chromatography-inductively coupled plasma mass spectrometry (HPLC-ICP-MS) technique was used for the analysis of eleven arsenic species in less than 17 min. Different extraction solutions were explored and the recovery results using water and aqueous acidic solvents, aqueous organic solvents and enzymes showed that 40 mg protease with 0.75 mL 0.5% hydrochloric acid (v/v) as the extraction agent gave the best experimental results. Species separation with ammonium carbonate solution as the mobile phase was conducted on an anion-exchange chromatographic column using gradient elution. The column temperature was 20 °C and kinetic energy discrimination (KED) was employed to eliminate spectral interference. The use of KED mode effectively removed interference from 75ArCl. The detection limit (LD) of the method was in the range of 0.11-0.59 μg kg-1. Repeatability values obtained for spiked real fish samples were in the range of 1.1%-7.6%. Accuracy was calculated based on the analysis of spiked real fish samples at five concentration levels. Obtained recoveries were 91%-106%. The validated method was used in a pilot study to analyze real samples of fish, the organic arsenic especially AsB was the major arsenic specie present in the analyzed samples, only trace amount of inorganic arsenic were detected. The analytical method should improve the assessment of human exposure associated with arsenic intake from fish.
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Werner J, Grześkowiak T, Zgoła-Grześkowiak A, Stanisz E. Recent trends in microextraction techniques used in determination of arsenic species. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2018.05.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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16
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Sajid M, Płotka-Wasylka J. Combined extraction and microextraction techniques: Recent trends and future perspectives. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2018.03.013] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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17
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Ultrasound assisted deep eutectic solvent based on dispersive liquid liquid microextraction of arsenic speciation in water and environmental samples by electrothermal atomic absorption spectrometry. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.07.053] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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18
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Jiao L, Tao Y, Wang W, Shao Y, Mei L, Wang Q, Dang J. Preparative isolation of flavonoid glycosides from Sphaerophysa salsula
using hydrophilic interaction solid-phase extraction coupled with two-dimensional preparative liquid chromatography. J Sep Sci 2017; 40:3808-3816. [DOI: 10.1002/jssc.201700675] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Revised: 07/22/2017] [Accepted: 07/24/2017] [Indexed: 01/11/2023]
Affiliation(s)
- Lijin Jiao
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining Qinghai China
- University of Chinese Academy of Science; Beijing China
| | - Yanduo Tao
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining Qinghai China
| | - Weidong Wang
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining Qinghai China
- University of Chinese Academy of Science; Beijing China
| | - Yun Shao
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining Qinghai China
| | - Lijuan Mei
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining Qinghai China
| | - Qilan Wang
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining Qinghai China
| | - Jun Dang
- Key Laboratory of Tibetan Medicine Research; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining Qinghai China
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Fu N, Lv R, Guo Z, Guo Y, You X, Tang B, Han D, Yan H, Row KH. Environmentally friendly and non-polluting solvent pretreatment of palm samples for polyphenol analysis using choline chloride deep eutectic solvents. J Chromatogr A 2017; 1492:1-11. [DOI: 10.1016/j.chroma.2017.02.036] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 02/15/2017] [Accepted: 02/17/2017] [Indexed: 12/20/2022]
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Purification of high-purity glycyrrhizin from licorice using hydrophilic interaction solid phase extraction coupled with preparative reversed-phase liquid chromatography. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1040:47-52. [PMID: 27907868 DOI: 10.1016/j.jchromb.2016.11.031] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Revised: 11/11/2016] [Accepted: 11/16/2016] [Indexed: 12/23/2022]
Abstract
Glycyrrhizin (GA), a major bioactive compound in licorice, has been extensively used throughout the world as a medicine to treat chronic viral hepatitis and allergic dermatitis. In this study, a new method based on hydrophilic interaction solid phase extraction (HILIC-SPE) and preparative reversed-phase liquid chromatography (prep-RPLC) was developed to purify GA with high purity from the complex licorice extract. Via evaluation of retention behavior of GA and flavonoids in different commercially available columns, a hydrophilic column--Click XIon was finally chosen for the purification due to its excellent resolution toward GA and flavonoids under HILIC mode. To optimize the SPE elution conditions, relative factors including water content, pH and ionic strength had been investigated in chromatographic condition. The result indicated that the most appropriate water content was 30% and pH at 4.00, as well as salt concentration should be controlled at 5mM. In addition, the optimization revealed that GA experiences both hydrophilic interaction and ion-exchange interaction on the Click XIon material. According to the chromatographic evaluation, the optimized conditions were applied to HILIC-SPE to enrich GA from licorice, which leads to an increased content of GA from 13.67% to 64.22%. Finally, prep-RPLC was performed to obtain GA with purity higher than 99.00%,which demonstrating great prospect in large-scale preparation of GA.
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Jia X, Gong D, Wang J, Huang F, Duan T, Zhang X. Arsenic speciation in environmental waters by a new specific phosphine modified polymer microsphere preconcentration and HPLC–ICP-MS determination. Talanta 2016; 160:437-443. [DOI: 10.1016/j.talanta.2016.07.050] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 07/20/2016] [Accepted: 07/23/2016] [Indexed: 10/21/2022]
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