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Bahçıvan A, Şaylan M, Sagdic O, Bakırdere S. CoSn(OH) 6 nanocubes as a solid sorbent for the effective preconcentration of copper ions in cinnamon (Cinnamomum zeylanicum) extract. Food Chem 2024; 447:139037. [PMID: 38513484 DOI: 10.1016/j.foodchem.2024.139037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 03/07/2024] [Accepted: 03/11/2024] [Indexed: 03/23/2024]
Abstract
This study was aimed at developing a simple and efficient CoSn(OH)6 nanocubes-based preconcentration method for the preconcentration of copper ions from cinnamon extracts for determination by flame atomic absorption spectrometry. The cube-shaped sorbent was synthesized using the simple stoichiometric co-precipitation method under ambient conditions. Experimental factors of the method were evaluated with a comprehensive optimization approach to maximize the extraction efficiency for the analyte. Under the optimal conditions, the limit of detection (LOD), limit of quantitation (LOQ), and linear dynamic range were recorded as 0.98 µg/L, 3.28 µg/L, and 4.0-75 µg/L, respectively. The enhancement factor was calculated as 101.6-fold by comparing the LODs of the optimized and direct analysis systems. Percent recoveries were found to be within an acceptable range (77.6-115 %), with high repeatability using matrix matching calibration strategy. Results validated the proposed method as a highly efficient extraction approach for the monitoring of copper ions in herbal cinnamon extracts.
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Affiliation(s)
- Aleyna Bahçıvan
- Yıldız Technical University, Department of Food Engineering, 34220 İstanbul, Turkiye
| | - Meltem Şaylan
- Yıldız Technical University, Chemistry Department, 34220 İstanbul, Turkiye; İstanbul Health and Technology University, Department of Pharmacy, 34421 İstanbul, Turkiye
| | - Osman Sagdic
- Yıldız Technical University, Department of Food Engineering, 34220 İstanbul, Turkiye
| | - Sezgin Bakırdere
- Yıldız Technical University, Chemistry Department, 34220 İstanbul, Turkiye; Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, Çankaya 06670, Ankara, Turkiye.
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2
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Ali J, Tuzen M, Bux Jatoi W, Ahmed Jakhrani M, Hazer B. Determination of chromium in foodstuffs by using novel adsorbent in vortex assisted-dispersive solid phase micro-extraction method: An application of multivariate techniques. Food Chem 2024; 446:138871. [PMID: 38432133 DOI: 10.1016/j.foodchem.2024.138871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 02/23/2024] [Accepted: 02/25/2024] [Indexed: 03/05/2024]
Abstract
A new graft copolymer composed of polystyrene and polylinoleic acid (PLinas) with the sodium salt of iminodiacetate (Ida) was synthesized and used as an adsorbent. The vortex-assisted dispersive solid-phase micro-extraction (VA-dSPµE) method was used for the extraction and pre-concentration of chromium. Multivariate methodologies, such as factorial design and 3D surface plots, were applied for screening and optimizing effective extraction parameters. The influence of diverse analytical parameters, such as pH, sample volume, and interfering ions, on the extraction of chromium was studied. The calibration standard curve exhibited a linear range from 0.01 to 0.50 μg L-1. The relative standard deviation and limit of detection were found to be 1.65 % and 0.003 μg L-1, respectively. Extraction recoveries were found in the range of 96 to 99 % by using certified reference materials (CRMs). The adsorbent capacity of PLinas-Ida was found to be 112 mg g-1. The VA-dSPµE method demonstrated its effectiveness in the pre-concentration and determination of chromium within samples of foodstuffs by graphite furnace-atomic absorption spectrometry (GF-AAS).
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Affiliation(s)
- Jamshed Ali
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China; Tokat Gaziosmanpaşa University, Faculty of Science and Arts, Chemistry Department, 60250 Tokat, Turkiye; Institute of Chemistry, Shah Abdul Latif University, Khairpur Mir's, 66020 Sindh, Pakistan
| | - Mustafa Tuzen
- Tokat Gaziosmanpaşa University, Faculty of Science and Arts, Chemistry Department, 60250 Tokat, Turkiye.
| | - Wahid Bux Jatoi
- Institute of Chemistry, Shah Abdul Latif University, Khairpur Mir's, 66020 Sindh, Pakistan
| | | | - Baki Hazer
- Department of Aircraft Airframe Engine Maintenance, Kapadokya University, 50420 Nevşehir, Turkiye; Departments of Chemistry/Nano Technology Engineering, Zonguldak Bulent Ecevit University, 67100 Zonguldak, Turkiye
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3
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Trevelin AM, Vinhal JO, Viana LN, Saint'Pierre TD, Cassella RJ. Disruption of a three-component solution as a novel strategy for Cu and Ni extraction from vegetable oils for their determination by GF AAS. Food Chem 2024; 442:138492. [PMID: 38245986 DOI: 10.1016/j.foodchem.2024.138492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 01/10/2024] [Accepted: 01/15/2024] [Indexed: 01/23/2024]
Abstract
In this work, we propose a novel approach for extracting Cu and Ni from vegetable oils (which can be expanded to other metals). The method is based on the transference of the analytes to an aqueous acid phase due to the disruption of a three-component solution. The extraction was carried out in two steps. In the first step, a three-component solution was prepared comprising the sample, 1-octanol, and HNO3 solution. Next, the homogeneous system was disrupted by adding 1.0 mL of deionized water, and two phases were formed. The aqueous extract deposited in the bottom of the flask was collected with a micropipette, and Cu and Ni were determined by graphite furnace atomic absorption spectrometry (GF AAS). The developed method presented limits of quantification (LOQ) of 0.25 and 0.17 ng g-1 for Cu and Ni, respectively, and was successfully applied in the analysis of eleven oil samples from different origins.
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Affiliation(s)
- Alex M Trevelin
- Departamento de Química Analítica, Universidade Federal Fluminense, Outeiro de São João Batista s/n, Centro, Niterói, RJ 24020-141, Brazil
| | - Jonas O Vinhal
- Instituto Federal de Educação, Ciência e Tecnologia do Maranhão (IFMA), Campus Açailândia, Avenida Projetada, s/n, Vila Progresso II, Açailândia, MA 65930-000, Brazil
| | - Laís N Viana
- Departamento de Química, Pontifícia Universidade Católica do Rio de Janeiro, Rua Marquês de São Vicente 225, Gávea, Rio de Janeiro, RJ 22451-900, Brazil
| | - Tatiana D Saint'Pierre
- Departamento de Química, Pontifícia Universidade Católica do Rio de Janeiro, Rua Marquês de São Vicente 225, Gávea, Rio de Janeiro, RJ 22451-900, Brazil
| | - Ricardo J Cassella
- Departamento de Química Analítica, Universidade Federal Fluminense, Outeiro de São João Batista s/n, Centro, Niterói, RJ 24020-141, Brazil.
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4
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Soylak M, Çoban AN, Ahmed HEH. Micro solid phase extraction of lead and cadmium using functionalized nanodiamonds@CuAl 2O 4@HKUST-1 nanocomposite for FAAS analysis in food and water samples. Food Chem 2024; 442:138426. [PMID: 38237291 DOI: 10.1016/j.foodchem.2024.138426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 01/08/2024] [Accepted: 01/10/2024] [Indexed: 02/15/2024]
Abstract
This study focuses on the development and application of a novel nanocomposite (functionalized nanodiamonds@CuAl2O4@HKUST-1)-based µ-SPE method for the sensitive and selective extraction of Pb and Cd from food and water samples. The technique offers high sensitivity and selectivity, allowing accurate measurement of these metals at trace levels. The detection limit is 0.031 µg kg-1 for Cd and 0.052 µg kg-1 for Pb, with a relative standard deviation of 1.7 % for Cd and 4.8 % for Pb. The method was successfully applied to real samples and efficiently quantified Pb and Cd in food and natural water samples. The highest concentrations were found in red lentils (0.274 µg kg-1 Pb) and fresh mint (0.197 µg kg-1Cd), but still below recommended limits set by FAO/WHO (300 µg kg-1 for Pb and 200 µg kg-1 for Cd). It promises to ensure food safety, monitor environmental contamination, and informs regulatory decisions to protect public health.
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Affiliation(s)
- Mustafa Soylak
- Erciyes University, Faculty of Sciences, Department of Chemistry, 38039 Kayseri, Turkey; Technology Research & Application Center (ERU-TAUM), Erciyes University, 38039 Kayseri, Turkey; Turkish Academy of Sciences (TUBA), Cankaya, Ankara, Turkey.
| | - Ayşe Nur Çoban
- Erciyes University, Faculty of Sciences, Department of Chemistry, 38039 Kayseri, Turkey; Technology Research & Application Center (ERU-TAUM), Erciyes University, 38039 Kayseri, Turkey
| | - Hassan Elzain Hassan Ahmed
- Erciyes University, Faculty of Sciences, Department of Chemistry, 38039 Kayseri, Turkey; Sudan Atomic Energy Commission (SAEC) - Chemistry and Nuclear Physics Institute, Khartoum, Sudan; Sudan University of Science and Technology (SUST) - College of Science-Scientific Laboratories Department, Chemistry Section, Khartoum, Sudan
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5
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Diridiri PN, Bodur SE, Bayraktar A, Günkara ÖT, Bakırdere S. Determination of copper ion at trace levels in apple tea samples by simultaneous complexation and spray assisted microextraction method prior to detection by flame atomic absorption spectrophotometry. Food Chem 2024; 441:138243. [PMID: 38159436 DOI: 10.1016/j.foodchem.2023.138243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 11/03/2023] [Accepted: 12/18/2023] [Indexed: 01/03/2024]
Abstract
In the present study, a green and sensitive analytical method for the determination of copper ion at trace levels in apple tea samples was developed. Simultaneous complexation/extraction of the analyte were achieved by spraying-based fine droplet formation liquid-phase microextraction (SFDF-LPME). Copper ion was complexed with a Schiff base chelating agent called as N,N'-Bis(salicylidene)-1,2-phenylenediamine (BSP). Under the optimum conditions, the developed SFDF-LPME-FAAS and FAAS system were assessed with respect to limit of detection (LOD), limit of quantitation (LOQ), linearity and percent relative standard deviation (%RSD). LOD and LOQ values for SFDF-LPME-FAAS method were found to be 6.0 and 19.9 µg/kg, respectively. Enhancement in calibration sensitivity for developed method was found as 23 folds. In addition, accuracy/suitability of the developed SFDF-LPME-FAAS method were confirmed by spiking experiments. Two different apple tea samples were spiked to different concentration values and percent recovery results from 91.1 and 123.8 % proved the accuracy/suitability of the method.
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Affiliation(s)
- Paye Naz Diridiri
- Yıldız Technical University, Chemistry Department, 34210 İstanbul, Türkiye
| | | | - Ahsen Bayraktar
- Yıldız Technical University, Chemistry Department, 34210 İstanbul, Türkiye
| | - Ömer Tahir Günkara
- Yıldız Technical University, Chemistry Department, 34210 İstanbul, Türkiye
| | - Sezgin Bakırdere
- Yıldız Technical University, Chemistry Department, 34210 İstanbul, Türkiye; Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, 06670, Çankaya, Ankara, Türkiye.
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6
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Semysim FA, Ridha RK, Azooz EA, Snigur D. Switchable hydrophilicity solvent-assisted solidified floating organic drop microextraction for separation and determination of arsenic in water and fish samples. Talanta 2024; 272:125782. [PMID: 38364568 DOI: 10.1016/j.talanta.2024.125782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 02/07/2024] [Accepted: 02/11/2024] [Indexed: 02/18/2024]
Abstract
The aim of the current study was to separate and determine arsenic in water and fish samples using a novel and green solidified floating organic drop microextraction (SFODME), which is based on switchable hydrophilicity solvent (SHS)-assisted procedure followed by hydride generation atomic absorption spectrometry (HG-AAS). The 4-((2-hydroxyquinoline-7-yl)diazenyl)-N-(4-methylisoxazol-3-yl)benzene sulfonamide (HDNMBA) and tertiary amine (4-(2-aminoethyl)-N,N-dimethylbenzylamine (AADMBA) were used as ligand and SHS, respectively. The use of SHS promotes quantitative extraction of arsenic complexes into an extraction solvent (1-undecanol). Some factors that impact extraction recovery were studied. Under optimal conditions, the limit of detection (LOD) and limit of quantification (LOQ) were 0.005 μg L-1 and 0.015 μg L-1, respectively. The calibration graph was linear up to 900.0 μg L-1 arsenic, with the enrichment factor is 267. The proposed SHS-SFODME methodology for arsenic quantification in water and fish samples was successfully implemented. The environmental friendliness and safety of proposed method were approved by the Analytical Greenness Calculator (AGREE) and the Blue Applicability Grade Index (BAGI) tools.
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Affiliation(s)
- Farah Abdulraouf Semysim
- Department of Chemistry, The Gifted Students' School in Najaf, Ministry of Education, 54001, Iraq
| | - Rana Kadhim Ridha
- Department of Dairy Science and Technology, College of Food Sciences, Al-Qasim Green University, 51013, Iraq
| | - Ebaa Adnan Azooz
- Department of Chemistry, The Gifted Students' School in Najaf, Ministry of Education, 54001, Iraq; Radoilogical 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, 65082, Ukraine.
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7
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Kartoğlu B, Bodur S, Zeydanlı D, Göver T, Özaydın E, Gülhan Bakırdere E, Bakırdere S. Determination of copper in rose tea samples using flame atomic absorption spectrometry after emulsification liquid-liquid microextraction. Food Chem 2024; 439:138140. [PMID: 38061298 DOI: 10.1016/j.foodchem.2023.138140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/30/2023] [Accepted: 12/02/2023] [Indexed: 01/10/2024]
Abstract
Rose tea infusion has gained popularity worldwide due to its health benefits. However, it is known that tea plants can be contaminated with heavy metals including copper. Hence, an accurate and applicable analytical method namely emulsification liquid-liquid microextraction based deep eutectic solvent - flame atomic absorption spectrometry (ELLME-DES-FAAS) was proposed to determine copper at trace levels in rose tea samples. Under the optimum experimental conditions, analytical figures of merit for the developed method were examined, and dynamic range, limit of detection (LOD) and limit of quantification (LOQ) were found to be 5.07-246.61 µg/kg (mass-based) with 0.9992 coefficient of determination, 2.50 µg/kg and 8.32 µg/kg, respectively. A matrix matching calibration strategy was employed to boost recovery results, and the acceptable recovery results were recorded between 95.9 % and 118.4 %. According to recovery results, the developed analytical method can be safely employed to determine the concentration of copper in rose tea samples accurately.
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Affiliation(s)
- Bedrihan Kartoğlu
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34220 İstanbul, Türkiye
| | - Süleyman Bodur
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34220 İstanbul, Türkiye; İstinye University, Faculty of Pharmacy, Department of Analytical Chemistry, 34010 İstanbul, Türkiye; İstinye University, Scientific and Technological Research Application and Research Center, 34010 İstanbul, Türkiye
| | - Damla Zeydanlı
- Gelişim University, Vocational School of Health Care Services, Department of Laboratory Technology, 34310, İstanbul, Türkiye
| | - Tuğçe Göver
- Selçuk University, Faculty of Pharmacy, Department of Analytical Chemistry, 42130, Konya, Türkiye
| | - Ecem Özaydın
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34220 İstanbul, Türkiye
| | - Emine Gülhan Bakırdere
- Yıldız Technical University, Faculty of Education, Department of Mathematics and Science Education, 34349 İstanbul, Türkiye
| | - Sezgin Bakırdere
- Yıldız Technical University, Faculty of Art and Science, Department of Chemistry, 34220 İstanbul, Türkiye; Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, Çankaya, 06670 Ankara, Türkiye.
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8
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Liu T, Yuan X, Luo K, Xie C, Zhou L. Molecular engineering of a new method for effective removal of cadmium from water. Water Res 2024; 253:121326. [PMID: 38377928 DOI: 10.1016/j.watres.2024.121326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/04/2024] [Accepted: 02/14/2024] [Indexed: 02/22/2024]
Abstract
Cadmium (Cd) is a widespread and highly toxic environmental pollutant, seriously threatening animal and plant growth. Therefore, monitoring and employing robust tools to enrich and remove Cd from the environment is a major challenge. In this work, by conjugating a fluorescent indicator (CCP) with a functionalized glass slide, a special composite material (CCPB) was constructed to enrich, remove, and monitor Cd2+ in water rapidly. Then Cd2+ could be effectively eluted by immersing the Cd-enriched CCPB in an ethylenediaminetetraacetic acid (EDTA) solution. With this, the CCPB was continuously reused. Its recovery of Cd2+was above and below 100 % after multiple uses by flame atomic absorption spectrometry (FAAS), which was excellent for practical use in enriching and removing Cd2+ in real aqueous samples. Therefore, CCPB is an ideal material for monitoring, enriching, and removing Cd2+ in wastewater, providing a robust tool for future practical applications of Cd enrichment and removal in the environment.
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Affiliation(s)
- Ting Liu
- College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Xiaomin Yuan
- College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Kun Luo
- College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Can Xie
- College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Liyi Zhou
- College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China.
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9
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Yılmaz E, Boztuğ A, Ul Haq H, Boczkaj G, Altunay N. Synthesis, characterization and application of cross-linked functional terpolymer through epoxy group as sorbent for extraction of cadmium from waters and foods: Multivariate optimization. Food Chem 2024; 435:137590. [PMID: 37813023 DOI: 10.1016/j.foodchem.2023.137590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 09/17/2023] [Accepted: 09/23/2023] [Indexed: 10/11/2023]
Abstract
The purpose of this study was to develop a selective sorbent for cadmium ions (Cd(II)) enrichment in orbital shaker assisted solid phase microextraction (OS-SPME) from different aqueous and food samples. A maleic anhydride-styrene-glycidyl methacrylate (MA-St-GMA) terpolymer was synthesized and characterized in detail. Experimental variables of sample preparation step were optimized using a central composite design (CCD). The final determination step was performed using flame atomic absorption spectroscopy (FAAS). The MA-St-GMA sorbent exhibited a high adsorption capacity (195.9 mg g-1) for the Cd(II) ion. The developed method under optimal conditions provides satisfactory performance and a significant improvement compared to other protocols available in the literature. The linear range and detection limit of the method is 0.1-130 ng mL-1 and 0.03 ng mL-1, respectively. The robustness, intraday/interday precision, selectivity, and accuracy of the method were investigated. To further validate the method, a dedicated series of analysis was performed using certified reference materials (CRMs). This part of the study confirmed the applicability of the method for routine analysis. The OS-SPME-FAAS method was validated using water and food samples. Relative standard deviations and recovery for real-world samples were in ranges 1.7-2.2 % and 95.5-98.5 %, respectively. As a result, the MA-St-GMA sorbent showed that it could quantitatively extract Cd(II) ions from aqueous solution.
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Affiliation(s)
- Ersen Yılmaz
- Munzur University, Dept. Machinery Programme, Tunceli, Türkiye
| | - Ali Boztuğ
- Sivas Cumhuriyet University, Faculty of Science, Department of Chemistry, Sivas, Türkiye
| | - Hameed Ul Haq
- Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Department of Sanitary Engineering, 80 - 233 Gdansk, G. Narutowicza St. 11/12, Poland
| | - Grzegorz Boczkaj
- Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Department of Sanitary Engineering, 80 - 233 Gdansk, G. Narutowicza St. 11/12, Poland
| | - Nail Altunay
- Sivas Cumhuriyet University, Faculty of Science, Department of Chemistry, Sivas, Türkiye.
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10
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Rahman N, Ahmad I. Coordination polymer gel mediated spectrophotometric, ICP-AES and spectrofluorimetric methods for trace As(III) determination in water and food samples. Chemosphere 2024; 351:141272. [PMID: 38262491 DOI: 10.1016/j.chemosphere.2024.141272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/11/2024] [Accepted: 01/19/2024] [Indexed: 01/25/2024]
Abstract
Herein, a coordination polymer gel is proposed for the determination of As(III) in real samples through multispectroscopic techniques viz. spectrophotometry, spectrofluorimetry, and inductively coupled plasma atomic emission spectroscopy (ICP-AES). Taguchi L32 (46 21) design and adaptive neuro fuzzy inference system (ANFIS) optimized the controllable factors affecting the extraction yielding an experimental S/N ratio of 39.94 dB. The fluorescence quenching (KSV = 2.63 × 106 L mol-1) was static with photoelectron transfer being the main mechanism confirmed by the density functional theory calculations. The limits of detection (LODs), limits of quantification (LOQs) and linear ranges were 0.038 μg L-1, 0.13 μg L-1 and 1.67-116.67 μg L-1, 0.40 μg L-1, 1.21 μg L-1 and 1.67-33.33 μg L-1, 1.07 μg L-1, 3.24 μg L-1 and 3.32-35.37 μg L-1 for the developed enrichment coupled ICP-AES, spectrophotometry and fluorescence sensing methods. Among these methods, the enrichment - ICP-AES method has the lowest LOD, LOQ and the widest linear range followed by the enrichment - spectrophotometry and fluorescene sensing methods. Spectrofluorimetry offers high sensitivity, selectivity, and possible real time monitoring, spectrophotometry provides a cost-effective and versatile option, while ICP-AES manifests multi-element analysis with high sensitivity and low interference. The developed methods were validated and employed for the successful determination of trace As(III) in real samples. The employment of these methods enhances the overall analytical capability for a wide range of sample types and concentrations.
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Affiliation(s)
- Nafisur Rahman
- Department of Chemistry Aligarh Muslim University, Aligarh-202002, India.
| | - Izhar Ahmad
- Department of Chemistry Aligarh Muslim University, Aligarh-202002, India
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11
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García-Mesa JC, Morales-Benítez I, Montoro-Leal P, López Guerrero MM, Vereda Alonso EI. sp-ICP-MS and HR-CS-GFAAS as useful available techniques for the size characterization and speciation of ionic and nanoparticular zinc in cosmetic and pharmaceutical samples. Talanta 2024; 268:125360. [PMID: 37913598 DOI: 10.1016/j.talanta.2023.125360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 10/16/2023] [Accepted: 10/26/2023] [Indexed: 11/03/2023]
Abstract
The use of zinc oxide nanoparticles (ZnO NPs) in cosmetic and pharmaceutical industry has been increased in recent years due to their good properties as solar radiation filters and antibacterial agent. According to the literature, the potential toxicity of these NPs could be size-dependent and the amount of solubilized metal. This work investigates new reliable and straightforward methodologies that enables the determination of ZnO NPs, discriminating them from ionic zinc in cosmetic samples. Two different techniques of analysis have been applied in this study: high-resolution continuum source graphite furnace atomic absorption spectrometry (HR-CS-GFAAS), and "single particle" inductively coupled plasma mass spectrometry (sp-ICP-MS). Triton X-100 has been used as a surfactant for the formation of homogeneous and stable slurries which allowed the determination of the concentration and sizes of ZnO NPs and Zn2+ in baby creams, eyeshadows, and lotions. A central composite design (CCD) was performed for the two techniques to optimize the concentration of Triton X-100 and sonication time. For validation purpose, the results of Zn2+ and ZnO NPs contents achieved by HR-CS-GFAAS were compared with the total Zn content obtained by acid digestion of the samples. A size comparison of the ZnO NPs was also carried out with the data obtained through the two methodologies and validated with transmission electron microscopy (TEM). In the case of TEM analysis, two different media were tried to study possible agglomerates and interactions between the particles and the matrix.
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Affiliation(s)
- J C García-Mesa
- Department of Analytical Chemistry, Faculty of Sciences, University of Malaga, 29071, Málaga, Spain
| | - I Morales-Benítez
- Department of Analytical Chemistry, Faculty of Sciences, University of Malaga, 29071, Málaga, Spain
| | - P Montoro-Leal
- Department of Analytical Chemistry, Faculty of Sciences, University of Malaga, 29071, Málaga, Spain
| | - M M López Guerrero
- Department of Analytical Chemistry, Faculty of Sciences, University of Malaga, 29071, Málaga, Spain.
| | - E I Vereda Alonso
- Department of Analytical Chemistry, Faculty of Sciences, University of Malaga, 29071, Málaga, Spain.
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12
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Tian Q, Wang M, Li H, Huan Z, Wang M, Lin J, Li B, Han B. Hyphenated liquid electrode glow discharge-dielectric barrier discharge molecular emission spectrometry for determination of dithiocarbamates. Food Chem 2023; 429:136884. [PMID: 37478600 DOI: 10.1016/j.foodchem.2023.136884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 07/07/2023] [Accepted: 07/12/2023] [Indexed: 07/23/2023]
Abstract
A hyphenated liquid electrode glow discharge (LEGD)-dielectric barrier discharge (DBD) molecular emission spectrometer was constructed and used as a novel liquid chromatography (LC) detector for dithiocarbamates (DTC) determination. The LEGD was used as an acidolysis reactor for the in-situ transformation of DTCs into CS2 with high efficiencies of 74.11-97.98%. The DBD was used to excite CS2 gas to generate a specific molecular emission at 257.94 nm. The linear correlation coefficient of the method was > 0.99 from 1 to 200 μg mL-1. The detection limits ranged from 0.1 to 0.3 μg mL-1 with 76-119% recovery and relative standard deviations of 0.2-8.5%. Moreover, the hyphenated microplasma spectrometer achieved low power consumption, low temperature, immediate acidolysis, and high transformational efficiency, and can detect each DTC when combined with LC.
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Affiliation(s)
- Qiaoxia Tian
- Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, 571101, Hainan, China; Hainan Institute for Food Control, Haikou, 570311, Hainan, China; College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Meiran Wang
- Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, 571101, Hainan, China
| | - Haoyue Li
- Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, 571101, Hainan, China; Hainan Institute for Food Control, Haikou, 570311, Hainan, China; College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Zhibo Huan
- Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, 571101, Hainan, China
| | - MingYue Wang
- Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, 571101, Hainan, China
| | - Jingling Lin
- Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, 571101, Hainan, China.
| | - Bei Li
- Hainan Institute for Food Control, Haikou, 570311, Hainan, China.
| | - Bingjun Han
- Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, 571101, Hainan, China.
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13
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Ayyıldız MF, Karaman DN, Kartoğlu B, Şaylan M, Chormey DS, Bakırdere S. A simple microwave-assisted synthesis of cobalt ferrite nanoparticles and its application for the determination of lead ions in rooibos (Aspalathus linearis) tea. Food Chem 2023; 429:136862. [PMID: 37478598 DOI: 10.1016/j.foodchem.2023.136862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/09/2023] [Accepted: 07/10/2023] [Indexed: 07/23/2023]
Abstract
In this study, a magnetic sorbent assisted dispersive solid phase extraction (DSPE) method was used to preconcentrate lead ions from rooibos tea samples for determination by slotted quartz tube-flame atomic absorption spectrometry (SQT-FAAS). Cobalt ferrite magnetic nanoparticles (CoFe2O4 MNPs) were synthesized by microwave assisted digestion. Limits of detection and quantification were calculated as 5.3 and 17.6 µg/L, respectively, in a linear dynamic range of 20-800 µg/L. The enhancement factor of the developed method was found to be 80-folds when compared to the detection limit of the regular FAAS system. The percent recoveries obtained for rooibos tea samples spiked at different concentrations were in the range of 77 - 125%, with high repeatability as indicated by low standard deviations. The findings of the study demonstrated that the CoFe2O4 MNPs-based extraction method is a straightforward, fast, affordable, safe, and eco-friendly approach to qualifying/quantifying lead with high precision in the selected beverage sample.
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Affiliation(s)
| | - Devrim Nur Karaman
- Yıldız Technical University, Chemistry Department, 34220 İstanbul, Türkiye
| | - Bedrihan Kartoğlu
- Yıldız Technical University, Chemistry Department, 34220 İstanbul, Türkiye
| | - Meltem Şaylan
- Yıldız Technical University, Chemistry Department, 34220 İstanbul, Türkiye; İstanbul Health and Technology University, Department of Pharmacy Seyitnizam Street, No: 85, İstanbul, Türkiye
| | - Dotse Selali Chormey
- Yıldız Technical University, Chemistry Department, 34220 İstanbul, Türkiye; Neutec Pharmaceutical, Yıldız Technical University Teknopark, 34220 İstanbul, Türkiye
| | - Sezgin Bakırdere
- Yıldız Technical University, Chemistry Department, 34220 İstanbul, Türkiye; Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, Çankaya 06670, Ankara, Türkiye.
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14
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Duran C, Camoglu AY, Ozdes D, Bekircan O. A green and simplified approach for the quantitative and sensitive analysis of heavy metal ions in sea and stream waters. Water Sci Technol 2023; 88:2862-2872. [PMID: 38096074 PMCID: wst_2023_371 DOI: 10.2166/wst.2023.371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
Elimination of the matrix effect is a major challenge in developing a method for the quantification of heavy metals (HMs) in water samples. In this regard, the current research describes the simultaneous analyses of Cu(II), Cd(II), and Ni(II) ions in water matrices through flame atomic absorption spectrophotometry (FAAS) after preconcentration with carrier element-free co-precipitation (CEFC) technique by the help of an organic co-precipitant, 3-{[5-(4-Chlorobenzyl)-3-(4-chlorophenyl)-1H-1,2,4-triazol-1-yl]-methyl}-4-[2,4-(dichlorobenzylidene)amino]-1H-1,2,4-triazole-5(4H)-thione (CCMBATT). Based on our literature research, CCMBATT was employed for the first time in this study as an organic co-precipitant for the preconcentration of HMs. Factors such as solution pH, concentration of co-precipitant, sample volume, standing time, centrifugation rate, and time were thoroughly examined and optimized to achieve the highest efficiency in terms of HM recovery. The limits of detection (LODs) (with 10 number of tests) of 0.54, 0.34, and 1.95 μg L-1 and the relative standard deviations (RSD %) of 2.1, 3.3, and 3.0 were determined for Cu(II), Cd(II) and Ni(II) ions, respectively. Recovery results of HMs for the spiked samples were in the range of 92.8-101.0%, demonstrating the trueness of the method and its applicability to the water samples matrix.
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Affiliation(s)
- Celal Duran
- Faculty of Sciences, Department of Chemistry, Karadeniz Technical University, Trabzon, Turkey E-mail:
| | - Aslihan Yilmaz Camoglu
- Faculty of Sciences, Department of Chemistry, Karadeniz Technical University, Trabzon, Turkey
| | - Duygu Ozdes
- Gumushane Vocational School, Gumushane University, Gumushane, Turkey
| | - Olcay Bekircan
- Faculty of Sciences, Department of Chemistry, Karadeniz Technical University, Trabzon, Turkey
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15
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Chirita L, Covaci E, Ponta M, Frentiu T. Mercury determination in various environmental, food and material complex matrices using unified operating conditions for a cold vapor generation high-resolution continuum source quartz tube atomic absorption spectrometry method. Anal Methods 2023; 15:6294-6301. [PMID: 37942813 DOI: 10.1039/d3ay01468a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
An analytical method with broad applicability based on cold vapor generation high-resolution continuum source quartz tube atomic absorption spectrometry was developed and evaluated for the determination of total mercury in matrices with various complexities and compositions. Sample preparation for different matrices of food, environmental samples and (bio)polymeric materials and unified operating conditions for derivatization and measurement were evaluated. The method was validated according to established requirements (Eurachem Guide 2014, EC Decisions 657/2002; 333/2007; 836/2011 and Association of Official Analytical Chemists Guide - AOAC). Analytical versatility was checked on various samples of fish fillets, mushrooms, soil, water and water sediment, sludge from a wastewater treatment unit, and (bio)polymeric materials from waste recycled from food packaging, computers and garden tools. Under optimal conditions for cold vapor generation in a batch system, namely 3% (v/v) HCl as reaction medium for 5 mL aliquot samples and a volume of 3.5 mL 0.3% (m/v) NaBH4 stabilized in 0.2% (m/v) NaOH as derivatization reagent, the detection limit for Hg in terms of peak height measurement (n = 7 days) was in the range 0.064 ± 0.004 μg L-1 in water, 0.014 ± 0.001 mg kg-1 in environmental samples and 0.009 ± 0.001 mg kg-1 in (bio)polymeric materials. Overall recovery of Hg by analysis of certified reference materials was 102 ± 20% (k = 2) in food, soil, wastewater and water sediment, and polyethylene. Precision for the measurement of various real samples ranged between 4.2 and 15.0%. A performance study highlighted that the method was sensitive, free of non-spectral interference coming from the multielemental matrix and that it complied with the requirements for Hg determination set in EC Decisions and AOAC Guidelines at least for the more common matrices analyzed for social impact.
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Affiliation(s)
- Lucia Chirita
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Arany Janos 11, 400028 Cluj-Napoca, Romania.
- Babes-Bolyai University, Research Center for Advanced Analysis, Instrumentation and Chemometrics, Arany Janos 11, 400028 Cluj-Napoca, Romania
| | - Eniko Covaci
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Arany Janos 11, 400028 Cluj-Napoca, Romania.
- Babes-Bolyai University, Research Center for Advanced Analysis, Instrumentation and Chemometrics, Arany Janos 11, 400028 Cluj-Napoca, Romania
| | - Michaela Ponta
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Arany Janos 11, 400028 Cluj-Napoca, Romania.
- Babes-Bolyai University, Research Center for Advanced Analysis, Instrumentation and Chemometrics, Arany Janos 11, 400028 Cluj-Napoca, Romania
| | - Tiberiu Frentiu
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Arany Janos 11, 400028 Cluj-Napoca, Romania.
- Babes-Bolyai University, Research Center for Advanced Analysis, Instrumentation and Chemometrics, Arany Janos 11, 400028 Cluj-Napoca, Romania
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16
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Fu G, Hu W, Xie W, Yao X, Xu J, Yang P, Yao M. Quantitative analysis of Cd based on the stress effect of minerals in rice by laser-induced breakdown spectroscopy. Anal Methods 2023; 15:5867-5874. [PMID: 37902026 DOI: 10.1039/d3ay01340e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
Abstract
Cadmium (Cd) is a highly toxic heavy metal that can accumulate in the food chain, posing a significant threat to human health. One of the key food sources through which Cd is often observed is rice. Therefore, determining heavy metals in rice is essential to assess the risk status of rice. Laser-induced breakdown spectroscopy (LIBS) has the advantages of simple sample preparation and fast analysis, which is expected to achieve real-time and rapid detection of rice. In this work, 40 naturally matured rice samples growing from the area that is possibly contaminated with Cd were collected to determine the Cd reference content in rice by graphite furnace atomic absorption spectroscopy as recommended by the Chinese National Standard. LIBS spectral acquisition and analysis are adopted as well. The Cd characteristic spectral lines were selected to predict the Cd content directly using PCA, PLSR, and ELM models, and the coefficient of determination (R2) of the models' training and prediction sets was 0.9278, 0.8920; 0.9036, 0.9771; 0.7940, and 0.8409, respectively. Further, based on the Cd stress effect in rice, the spectra of elements Mn, Mg, K, and Na with highly significant and significant correlation with Cd were selected and coupled with the Cd characteristic spectra to form a new matrix of the same size for quantitative analysis. Based on the stress effect, R2 of models' training and prediction sets was improved to 0.9786, 0.9753; 0.9395, 0.9900; 0.9798, and 0.9927, respectively. It is demonstrated that combining the stress effect when using LIBS for quantitative analysis of Cd in rice reduces the overfitting and further improves the model's prediction accuracy. This work indicates that using LIBS combined with suitable mathematical models to predict the Cd content of naturally matured rice based on stress effects in rice is feasible. It is promising to evaluate the safety of rice by analyzing LIBS spectra.
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Affiliation(s)
- Gangrong Fu
- College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
| | - Wei Hu
- College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
| | - Weiping Xie
- College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
| | - Xiaoying Yao
- College of Vocational and Technical Education, Jiangxi Agricultural University, Nanchang 330045, China
| | - Jiang Xu
- College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
| | - Ping Yang
- Institute of Electronic, Changzhou College of Information Technology, Changzhou 213164, China
| | - Mingyin Yao
- College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
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17
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Quintas PY, Agostini E, Wevar Oller AL, Escudero LB. Biohybrid Adsorbent for the Preconcentration of Lead and Its Determination in Fruit Juices by Electrothermal Atomic Absorption Spectrometry. J AOAC Int 2023; 106:1542-1549. [PMID: 37338544 DOI: 10.1093/jaoacint/qsad073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 05/31/2023] [Accepted: 06/09/2023] [Indexed: 06/21/2023]
Abstract
BACKGROUND Fruit juices are one of the most non-alcoholic beverages consumed in the world. Essential elements and other nutrients present in fruit juices play an important role in human well-being. However, fruit juices may also contain potentially toxic elements at trace levels, causing health risks. OBJECTIVE The objective of this work was to develop an analytical methodology based on the preconcentration of lead using a new biodegradable hybrid material (BHM) composed of Rhodococcus erythropolis AW3 bacteria and Brassica napus hairy roots. METHODS The BHM was implemented in an online solid-phase extraction (SPE) system for the determination of lead in fruit juices by electrothermal atomic absorption spectrometry (ETAAS). RESULTS Effects of critical parameters on lead retention were studied. Under optimal experimental conditions, extraction efficiency higher than 99.9% and an enrichment factor of 62.5 were achieved. The dynamic capacity of the BHM was 36 mg/g, which favored the reuse of the column for at least eight biosorption-desorption cycles. The LOD and LOQ for preconcentration of 5 mL of sample were 5.0 and 16.5 ng/L lead, respectively. The RSD was 4.8% (at 1 µg/L lead and n = 10). CONCLUSION The developed method was suitable for application to lead determination in different types of fruit juice. HIGHLIGHTS A novel microextraction procedure based on the use of a biohybrid adsorbent. Highly sensitive determination of Pb at trace levels. Analysis of Pb in fruit juices samples. An eco-friendly microextraction technique for Pb determination.
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Affiliation(s)
- Pamela Y Quintas
- National University of Cuyo, Faculty of Natural and Exact Sciences, Interdisciplinary Institute of Basic Sciences (ICB), UNCUYO-CONICET, Padre J. Contreras 1300, 5500 Mendoza, Argentina
| | - Elizabeth Agostini
- Universidad Nacional de Río Cuarto-CONICET, Departamento de Biología Molecular, FCEFQyN, 5800 Córdoba, Argentina
| | - Ana L Wevar Oller
- Universidad Nacional de Río Cuarto-CONICET, Departamento de Biología Molecular, FCEFQyN, 5800 Córdoba, Argentina
| | - Leticia B Escudero
- National University of Cuyo, Faculty of Natural and Exact Sciences, Interdisciplinary Institute of Basic Sciences (ICB), UNCUYO-CONICET, Padre J. Contreras 1300, 5500 Mendoza, Argentina
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18
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Aydın ES, Zaman BT, Bozyiğit GD, Bakırdere S. Analytical application of flower-shaped nickel nanomaterial for the preconcentration of manganese in domestic wastewater samples. Environ Monit Assess 2023; 195:1358. [PMID: 37870665 DOI: 10.1007/s10661-023-11989-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 10/12/2023] [Indexed: 10/24/2023]
Abstract
In this study, detection sensitivity of the conventional flame atomic absorption spectrophotometer (FAAS) for the determination of manganese (Mn2+) was enhanced by employing a preconcentration method from wastewater samples. Flower-shaped Ni(OH)2 nanomaterials were synthesized and used as sorbent material in preconcentration procedure. With the aim of attaining optimum experimental conditions, effective parameters of extraction method were optimized and these included pH of buffer solution, desorption solvent concentration and volume, mixing type and period, nanoflower amount, and sample volume. The detection limit of the optimized method was determined to be 2.2 μg L-1, and this correlated to about 41-fold enhancement in detection power relative to direct FAAS measurement. Domestic wastewater was used to test the feasibility of the proposed method to real samples by performing spike recovery experiments. The wastewater sample was spiked at four different concentrations of manganese, and the percent recoveries determined were in the range of 95-120%.
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Affiliation(s)
- Efe Sinan Aydın
- Department of Chemical Engineering, Yildiz Technical University, 34220, Istanbul, Turkey
| | - Buse Tuğba Zaman
- Department of Chemistry, Yildiz Technical University, 34220, Istanbul, Turkey
| | - Gamze Dalgıç Bozyiğit
- Department of Environmental Engineering, Yildiz Technical University, 34220, Istanbul, Turkey
| | - Sezgin Bakırdere
- Department of Chemistry, Yildiz Technical University, 34220, Istanbul, Turkey.
- Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No:112, Çankaya, 06670, Ankara, Turkey.
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19
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Tossi de A Costa EC, de Castro Dantas TN, da Silva DR, de A Maranhão T. A new method for extraction and pre-concentration of the heavy metals using a microemulsion system in winsor II equilibrium and determination by HR-CS AAS. Chemosphere 2023; 338:139428. [PMID: 37437620 DOI: 10.1016/j.chemosphere.2023.139428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/30/2023] [Accepted: 07/04/2023] [Indexed: 07/14/2023]
Abstract
For the very first time, a microemulsion system in the Winsor II (WII) equilibrium was applied in a sample preparation method for extraction and pre-concentration in the determination of Pb, Cd, Co, Tl, Cu and Ni, in natural waters by high resolution continuum source atomic absorption spectrometry (HR-CS AAS). The method was optimized using the graphite furnace atomization. A simplex-centroid design for determine optimum extraction condition (77.5% aqueous phase, 5% of the oil phase, and 17.5% cosurfactant/surfactant ratio - C/S = 4) was applied. The optimized time for the sample preparations was around 30 min. The analytical performance of the optimized method using HR-CS GF AAS showed that the detection limits were: 0.09, 0.01, 0.06, and 0.05 μg L-1 for determination of Pb, Cd, Tl, and Co, respectively and the enrichment factors were between 6 and 19, considered excellent for all analytes. The RSD values were lower than 5%, demonstrating the good precision of the proposed method. When the optimized method was applied using the HR-CS F AAS, the sensibility increased 9 to 12 times for Cu and Ni, respectively. The analytical method was successfully applied for the determination of analytes in Certified Reference Material and real samples for natural waters such as Brackish water (recovery between 107 and 112%), Saline water (recovery between 83 and 94%), Produced water from oil industry (recovery between 98 and 110%) and Fresh water (recovery 80 and 87% to Cu and Ni respectively). All the results confirming the accuracy of the analytical method proposed. The repeatability of the measurements has been better 5% (n = 3), for all elements.
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Affiliation(s)
- Emily Cintia Tossi de A Costa
- Instituto de Química, Universidade Federal do Rio Grande do Norte, Núcleo de Processamento Primário e Reuso de Água Produzida, NUPPRAR, 59078-970, Natal, Brazil.
| | - Tereza N de Castro Dantas
- Instituto de Química, Universidade Federal do Rio Grande do Norte, Núcleo de Processamento Primário e Reuso de Água Produzida, NUPPRAR, 59078-970, Natal, Brazil
| | | | - Tatiane de A Maranhão
- Departamento de Química - Universidade Federal de Santa Catarina, 88034-001, Florianópolis, SC, Brazil
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20
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Ning J, Akhter T, Sarfraz M, Afridi HI, Albasher G, Unar A. The importance of monitoring endocrine-disrupting chemicals and essential elements in biological samples of fertilizer industry workers. Environ Res 2023; 231:116173. [PMID: 37244497 DOI: 10.1016/j.envres.2023.116173] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/12/2023] [Accepted: 05/15/2023] [Indexed: 05/29/2023]
Abstract
Exposure to endocrine-disrupting chemicals (EDCs) can lead to adverse health effects, including immune and endocrine system disruption, respiratory problems, metabolic issues, diabetes, obesity, cardiovascular problems, growth impairment, neurological and learning disabilities, and cancer. Fertilizers, which contain varying levels of heavy metals, are known to pose a significant risk to human health, especially for those residing or working near fertilizer industries. This study aimed to investigate the levels of toxic elements in biological samples of individuals working in a fertilizer industry's quality control and production units and those residing within 100-500 m of the industry. Biological samples, including scalp hair and whole blood, were collected from fertilizer workers, individuals living in the same residential area, and control age-matched persons from nonindustrial areas. The samples were oxidized by an acid mixture before analysis using atomic absorption spectrophotometry. The accuracy and validity of the methodology were verified through certified reference materials from scalp hair and whole blood. The results showed that the concentrations of toxic elements, such as cadmium and lead, were higher in biological samples of quality control and production employees. In contrast, lower essential element levels (iron and zinc) were detected in their samples. These levels were higher than those found in samples collected from residents living within 10-500 m of the fertilizer manufacturing facilities and unexposed areas. This study highlights the significance of adopting better practices to reduce exposure to harmful substances and protect the health of fertilizer industry workers and the environment. It also suggests that policymakers and industry leaders should take measures to minimize exposure to EDCs and heavy metals to promote worker safety and public health. These measures could include implementing strict regulations and better occupational health practices to reduce toxic exposure and promote a safer work environment.
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Affiliation(s)
- Jiajing Ning
- Environmental Science and Engineering, Guizhou University, Guiyang, 550025, China
| | - Tazeem Akhter
- Public Health Department, University of Health Sciences, Lahore, Pakistan
| | - Muddassar Sarfraz
- School of Management, Zhejiang Shuren University, 310015, Hangzhou, PR China.
| | - Hassan Imran Afridi
- National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080-Pakistan
| | - Gadah Albasher
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Ahsanullah Unar
- School of Life Sciences, University of Science and Technology of China, Hefei, Anhui, China; Department of Translational Medicine, University of Campania 'L. Vanvitelli, Naples, Italy
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21
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Winter M, Lessmann F, Harth V. A method for reliable quantification of mercury in occupational and environmental medical urine samples by inductively coupled plasma mass spectrometry. Anal Methods 2023; 15:2030-2038. [PMID: 37060114 DOI: 10.1039/d2ay02051c] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Over the last years, inductively coupled plasma mass spectrometry (ICP-MS) has been applied as a method for human-biomonitoring of metals in the concentration range of occupational and environmental medicine. In large scale routine monitoring, the determination of mercury (Hg) by ICP-MS remains challenging due to several reasons. Amongst others, stability of dissolved Hg and avoiding memory effects are the key facts for reliable quantification. To address these issues, we developed a robust approach for biomonitoring of mercury in human urine samples by ICP-MS. Using a solution containing HNO3, HCl and thiourea, prepared samples and calibrators were stabilized for up to 72 h. A rinse time of only 30 seconds efficiently prevented contamination of consecutive samples with Hg concentrations up to 30 μg L-1, hence significantly reducing acquisition times compared to published methods. Recovery experiments revealed iridium as an ideal internal standard to compensate matrix effects independently from creatinine concentration. Recoveries of 95.0-104.0% were obtained for Hg levels covering the range of biomonitoring guidance values established by the German Human-Biomonitoring Commission. Excellent intra-day precision and inter-day precision of ≤3.0% for two different Hg levels were achieved. The detection and quantification limit accounted for 21.7 ng L-1 and 65.6 ng L-1, respectively, enabling reliable quantification even in the range of environmental background exposures. Additionally, the method was externally validated by successful participation in the inter-laboratory comparison program G-EQUAS. With the developed method, we hence provide a sensitive and robust tool for mercury exposure assessments in future large scale human-biomonitoring studies.
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Affiliation(s)
- Martin Winter
- Institute for Occupational and Maritime Medicine (ZfAM), University Medical Centre Hamburg-Eppendorf (UKE), Marckmannstraße 129b, Haus 3, 20539, Hamburg, Germany.
| | - Frederik Lessmann
- Institute for Occupational and Maritime Medicine (ZfAM), University Medical Centre Hamburg-Eppendorf (UKE), Marckmannstraße 129b, Haus 3, 20539, Hamburg, Germany.
| | - Volker Harth
- Institute for Occupational and Maritime Medicine (ZfAM), University Medical Centre Hamburg-Eppendorf (UKE), Marckmannstraße 129b, Haus 3, 20539, Hamburg, Germany.
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22
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Chirita L, Covaci E, Ponta M, Frentiu T. Unified analysis method for total and inorganic As determination in foodstuffs by hydride generation high-resolution continuum source quartz tube atomic absorption spectrometry. Anal Methods 2023; 15:1734-1746. [PMID: 36939005 DOI: 10.1039/d3ay00142c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
A unified analytical method applicable to common foodstuff matrices was developed and characterized for total and inorganic arsenic determination by hydride generation high-resolution continuum source quartz tube atomic absorption spectrometry, which was established based on different sample preparation procedures. This new method was found to be interference-free and cost-effective in terms of reagents consumption for sample preparation and derivatization to arsine for the inorganic arsenic fraction. Microwave-assisted digestion in HNO3-H2O2 for total arsenic and extraction in 0.28 mol L-1 HNO3 by mechanical stirring in a water bath or ultrasound-assisted extraction in 0.01 mol L-1 HCl without separation of inorganic As, all coupled with arsine generation in 0.01 mol L-1 HCl medium with 0.6% NaBH4 in 0.01% NaOH in the presence of 0.2% L-cysteine was found to be suitable for all matrices. The results were statistically compared by applying Tukey's and Dunnett's multiple comparison methods (p > 0.05). The use of external calibration with As(III) standards and standard addition method for quantification showed the lack of non-spectral interferences from the multimineral matrices, resulting in a reliable method for total/inorganic As determination in various foodstuffs. The limits of detection for total/inorganic As using peak height measurement were 0.0044 ± 0.0005/0.0022 ± 0.0003 mg kg-1 (n = 25 days). The overall recovery for total/inorganic As in the certified reference materials was in the range of 98% ± 22%, and 99% ± 24% (k = 2). The extraction of inorganic As in 0.01 mol L-1 HCl and 0.28 mol L-1 HNO3 provided the recovery of 106% ± 25% and 100% ± 25% (k = 2), which was better than in 10 mol L-1 HCl. The precision of measurements in real samples of fish muscle, meat and organs, rice and rice-based baby foods with contents of 0.052-5.29 mg kg-1 total As and 0.005-0.063 mg kg-1 inorganic As was 9.8-18.8% and 8.7-32.0%, respectively, which was calculated based on the combined uncertainty.
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Affiliation(s)
- Lucia Chirita
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Arany Janos 11, 400028 Cluj-Napoca, Romania.
- Babes-Bolyai University, Research Center for Advanced Analysis, Instrumentation and Chemometrics, Arany Janos 11, 400028 Cluj-Napoca, Romania
| | - Eniko Covaci
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Arany Janos 11, 400028 Cluj-Napoca, Romania.
- Babes-Bolyai University, Research Center for Advanced Analysis, Instrumentation and Chemometrics, Arany Janos 11, 400028 Cluj-Napoca, Romania
| | - Michaela Ponta
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Arany Janos 11, 400028 Cluj-Napoca, Romania.
- Babes-Bolyai University, Research Center for Advanced Analysis, Instrumentation and Chemometrics, Arany Janos 11, 400028 Cluj-Napoca, Romania
| | - Tiberiu Frentiu
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Arany Janos 11, 400028 Cluj-Napoca, Romania.
- Babes-Bolyai University, Research Center for Advanced Analysis, Instrumentation and Chemometrics, Arany Janos 11, 400028 Cluj-Napoca, Romania
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23
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Parveen S, Imran Afridi H, Gul Kazi T, Talpur FN, Ahmed Baig J, Qadir Chanihoon G, Memon AA, Rahoojo A. Impacts of Smoking and Stomach Disorders on Essential Elements in Biological Samples of Cement and Glass Industrial Workers. Biol Trace Elem Res 2023; 201:1065-1079. [PMID: 35460466 DOI: 10.1007/s12011-022-03238-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 04/11/2022] [Indexed: 02/07/2023]
Abstract
The infection caused by Helicobacter pylori (H. pylori) disrupts the metabolism and absorption of essential trace elements. Stomach disorders are related to changes in essential trace element metabolism caused by increased toxic metal exposure and H. pylori infection. The aim of the work is to link the development of stomach-related illnesses to an imbalance of essential trace and toxic metals. We have investigated the variations in essential trace elements such zinc (Zn), iron (Fe), and copper and toxic metals like lead (Pb) and cadmium (Cd) in biological (scalp hair, blood) samples of glass and cement workers. The study participants are further divided into smokers and nonsmokers, as well as diseased (gastric ulcer, irritable bowel syndrome, and chronic ulcer) and exposed referents (non-diseased industrial workers). Biological samples of age-matched (40-60 years) male subjects living in non-industrial areas were gathered for comparative purposes. After a pre-concentration method, the drinking water of industrial and domestic areas was analysed for both toxic metals. Microwave-aided acid digestion was used to oxidise the matrices of biological samples before atomic absorption spectrometer analysis of selected metals. Toxic metal levels in both industries' drinking water were much higher than those found in domestically treated water (p < 0.01). Industrial workers suffering different types of stomach disorders have two to three times higher Pb and Cd concentrations than age-matched referents. Toxic metals are found in higher concentrations in smoker referents and diseased patients' biological samples than in nonsmoker subjects. The findings of this study suggested that Pb and Cd toxicity's immunological effects may be associated to an increased vulnerability to chronic infections.
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Affiliation(s)
- Sadaf Parveen
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
| | - Hassan Imran Afridi
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan.
| | - Tasneem Gul Kazi
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
| | - Farah Naz Talpur
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
| | - Jameel Ahmed Baig
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
| | - Ghulam Qadir Chanihoon
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
| | - Ahsan Ali Memon
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
| | - Almas Rahoojo
- Department of Oral Medicine, Shaheed Mohtarma Benazir Bhutto Medical University, Larkana, 77150, Pakistan
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24
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Jouybari TA, Jouybari HA, Hosseini F, Nesari M, Fattahi N. Evaluation of blood lead levels in opium addicts and healthy control group using novel deep eutectic solvent based dispersive liquid-liquid microextraction followed by GFAAS. Environ Sci Pollut Res Int 2023; 30:24553-24561. [PMID: 36344888 DOI: 10.1007/s11356-022-23942-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Today, drug dealers and sellers add lead compounds to these substances to get more profit. As a result, drug users are heavily exposed to lead, and lead poisoning is clearly seen in most of them. Therefore, it is especially important to check the blood lead levels in these people. In this research, an efficient and eco-friendly pretreatment method was established by deep eutectic solvent for dispersive liquid-liquid microextraction (DES - DLLME) followed by graphite furnace atomic absorption spectrometry (GFAAS) analysis. The selected hydrophilic deep eutectic solvent consists of l-menthol and (1S)-( +)-camphor-10-sulfonic acid (CSA) at a 5:1 molar ratio as a green solvent instead of traditional toxic organic solvents. Under the optimal extraction conditions, the introduced method exhibited good linearity with coefficient of determination (r2) 0.9975 and an acceptable linear range of 0.3-80 µg L-1. Accordingly, the detection limit was 0.1 µg L-1 (S/N = 3) for lead ions, and the high enrichment factor (240) was obtained. The proposed method was successfully applied to analysis lead ions in real blood samples, which is a promising technique for biological samples. The case samples were classified and analyzed based on age, duration of consumption, and type of substance. The results showed that there was no significant difference between blood lead levels in different age groups and different duration of use, while blood lead levels were higher in opium residue (shireh) users than in opium users.
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Affiliation(s)
- Toraj Ahmadi Jouybari
- Clinical Research Development Center, Imam Khomeini and Dr. Mohammad Kermanshahi and Farabi Hospitals, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hadi Ahmadi Jouybari
- Infectious Disease and Tropical Medicine Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Fatemeh Hosseini
- Clinical Research Development Center, Imam Khomeini and Dr. Mohammad Kermanshahi and Farabi Hospitals, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohsen Nesari
- Clinical Research Development Center, Imam Khomeini and Dr. Mohammad Kermanshahi and Farabi Hospitals, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Nazir Fattahi
- Research Center for Environmental Determinants of Health (RCEDH), Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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25
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Sağsöz O, Arvas B, Zaman BT, Yolaçan Ç, Bakırdere S. Determination of trace cobalt ions in bottled drinking water samples from Fiji Island by spray-assisted fine droplet formation-liquid phase microextraction based on simultaneous complexation and extraction before flame atomic absorption spectrometer measurement. Environ Monit Assess 2023; 195:313. [PMID: 36662307 DOI: 10.1007/s10661-023-10943-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 01/13/2023] [Indexed: 06/17/2023]
Abstract
In this study, a green, simple and effective preconcentration method named as spray-assisted fine droplet formation-liquid phase microextraction (SAFDF-LPME) before the flame atomic absorption spectrophotometry (FAAS) measurement for cobalt determination was developed. The method reduces the external dispersive solvent usage by using a simple spraying apparatus to obtain fine droplets of the extraction solvent. SAFDF-LPME method also consists of simultaneous complexation and extraction which indicates the environmental benevolence of the developed method. This method minimized the relative errors with high repeatability and accuracy by reducing the experimental steps. The influential parameters such as buffer type, buffer solution volume, extraction solvent/ligand solution volume (spraying cycle), and mixing period were systematically optimized by the univariate optimization procedure. With the optimum parameters applied, the detection power of the FAAS system was enhanced to about 110-folds with respect to 2.2 ng mL-1 detection limit calculated for the proposed method. Bottled drinking water samples from Fiji Islands were used to demonstrate the applicability of the developed method for the accurate determination of trace cobalt in real sample matrices. Percent recovery results obtained between 95.5 and 88.5% showed the suitability of the developed method in the determination of cobalt at trace levels even in complex sample matrices.
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Affiliation(s)
- Oğuzhan Sağsöz
- Chemistry Department, Science and Arts Faculty, Yildiz Technical University, Istanbul, 34220, Türkiye
| | - Büşra Arvas
- Chemistry Department, Science and Arts Faculty, Yildiz Technical University, Istanbul, 34220, Türkiye
| | - Buse Tuğba Zaman
- Chemistry Department, Science and Arts Faculty, Yildiz Technical University, Istanbul, 34220, Türkiye
| | - Çiğdem Yolaçan
- Chemistry Department, Science and Arts Faculty, Yildiz Technical University, Istanbul, 34220, Türkiye
| | - Sezgin Bakırdere
- Chemistry Department, Science and Arts Faculty, Yildiz Technical University, Istanbul, 34220, Türkiye.
- Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, Çankaya, Ankara, 06670, Türkiye.
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26
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Tan İŞ, Kılınç Y, Zaman BT, Bakırdere S. Deep eutectic solvent-based simultaneous complexation and preconcentration of nickel in Antarctic lake water samples for determination by flame atomic absorption spectrometry. Environ Monit Assess 2023; 195:309. [PMID: 36652146 DOI: 10.1007/s10661-023-10940-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 01/12/2023] [Indexed: 06/17/2023]
Abstract
This study presents a simple, sensitive, and accurate method for the determination of nickel by flame atomic absorption spectrometry (FAAS). Prior to instrumental measurement, a deep eutectic solvent-based simultaneous complexation and preconcentration (DES-SCP) method was used to preconcentrate nickel from aqueous solution into measurable quantities. The efficiency of the extraction method was enhanced by forming a non-ionic complex of nickel using dithizone as ligand. By mixing the ligand with the DES extractant, simultaneous complexation and preconcentration of nickel were achieved in a single step. Under optimum conditions of the extraction method, the limit of detection (LOD) and the limit of quantification (LOQ) values were found to be 2.4 and 8.0 ng/mL, respectively. With respect to direct FAAS measurement, the developed method enhanced the sensitivity of nickel determination by about 169 folds. The accuracy and applicability of the developed method were evaluated by performing spike recovery experiments with lake water sampled from Antarctica. Satisfactory recovery results in the range of 94.0-113.7% were recorded and this validated the developed method as an efficient and green alternative for nickel determination.
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Affiliation(s)
- İpek Şahin Tan
- Department of Chemistry, Yıldız Technical University, Istanbul, 34220, Türkiye
| | - Yağmur Kılınç
- Department of Environmental Engineering, Zonguldak Bülent Ecevit University, Institute of Science, Zonguldak, 67100, Türkiye
- Neutec Pharmaceutical, Yıldız Technical University Teknopark, Istanbul, 34220, Türkiye
| | - Buse Tuğba Zaman
- Department of Chemistry, Yıldız Technical University, Istanbul, 34220, Türkiye
| | - Sezgin Bakırdere
- Department of Chemistry, Yıldız Technical University, Istanbul, 34220, Türkiye.
- Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, Çankaya, Ankara, 06670, Türkiye.
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27
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Upadhyay K, Viramgami A, Balachandar R, Pagdhune A, Shaikh I, Sivaperumal P. Development and validation of Graphite Furnace Atomic Absorption Spectrometry method and its application for clinical evaluation of blood lead levels among occupationally exposed lead smelting plant workers. ANAL SCI 2023; 39:517-526. [PMID: 36630009 DOI: 10.1007/s44211-022-00260-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 12/22/2022] [Indexed: 01/12/2023]
Abstract
The growing interest in estimating the blood lead levels, for early detection of lead exposure, warranted a need for a validated analytical method for trace levels estimation of lead. The present study aimed to develop an analytical method for detecting trace amounts to elevated levels of lead in human blood using the Graphite Furnace Atomic Absorption Spectrometry technique and its application in evaluating blood lead levels among occupationally exposed individuals. The method validation was performed with standard test parameters including linearity, recovery, precision, method detection limit, and limit of quantification. The validation results for each performance parameter were in agreement with acceptable criteria as per standard guidelines. The correlation was observed as optimum linear (R2 = 0.998) between absorbance and lead concentration range from 0 to 10 µg/dL. The recoveries for spiked samples ranged between 95 and 105%. The calculated value for the method detection limit was 0.16 µg/dL and the limit of quantification was 0.51 µg/dL. The precision for all spiked concentrations was below 10% of the relative standard deviation. Evaluation of lead exposure among occupationally exposed individuals revealed the study population had found average blood lead level (42.80 ± 12.47 µg/dL), which was above the upper acceptable limit suggested by Occupational Safety and Health Administration, USA. The majority of system-specific symptoms were observed among study groups having mean blood lead levels above 40 µg/dL. However, sociodemographic status and employment factors were found possible determinants of the prevalence of high blood lead levels.
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Affiliation(s)
- Kuldip Upadhyay
- ICMR-National Institute of Occupational Health, Near Raksha Shakti University, Meghaninagar, Ahmedabad, Gujarat, 380016, India.
| | - Ankit Viramgami
- ICMR-National Institute of Occupational Health, Near Raksha Shakti University, Meghaninagar, Ahmedabad, Gujarat, 380016, India
| | - Rakesh Balachandar
- ICMR-National Institute of Occupational Health, Near Raksha Shakti University, Meghaninagar, Ahmedabad, Gujarat, 380016, India
| | - Avinash Pagdhune
- ICMR-National Institute of Occupational Health, Near Raksha Shakti University, Meghaninagar, Ahmedabad, Gujarat, 380016, India
| | - Idrish Shaikh
- ICMR-National Institute of Occupational Health, Near Raksha Shakti University, Meghaninagar, Ahmedabad, Gujarat, 380016, India
| | - P Sivaperumal
- ICMR-National Institute of Occupational Health, Near Raksha Shakti University, Meghaninagar, Ahmedabad, Gujarat, 380016, India
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28
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Karlıdağ NE, Demirel R, Serbest H, Turak F, Bakırdere S. Determination of cobalt in chamomile tea samples at trace levels by flame atomic absorption spectrophotometry after poly(vinyl alcohol)-magnetic hydrogel based dispersive solid phase extraction. Anal Methods 2022; 15:56-62. [PMID: 36477290 DOI: 10.1039/d2ay01493a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
In this study, an analytical strategy was proposed for the determination of cobalt at trace levels by using a flame atomic absorption spectrophotometry (FAAS) system after magnetic hydrogel based dispersive solid phase extraction (MH-DSPE). Poly(vinyl alcohol) based magnetic hydrogels (PVA-MH) were synthesized easily, quickly, and cost effectively in the laboratory and used as an adsorbent material in the microextraction process. Under the optimum experimental conditions, the limit of detection (LOD) and limit of quantitation (LOQ) values were recorded as 4.2 and 14.1 μg L-1, respectively. To investigate the matrix effects on the analyte signal, spike experiments were performed using chamomile tea extracts and good recovery results were obtained between 85.7 and 113.8%. A 57.8-fold improvement was achieved in the detection power compared to that of a conventional FAAS system. The results obtained throughout all experimental studies demonstrated the applicability in addition to the accuracy of the method for the quantification of trace levels of cobalt with high accuracy in a chamomile tea matrix.
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Affiliation(s)
| | - Rabia Demirel
- Yıldız Technical University, Department of Chemistry, İstanbul, 34210, Turkey.
| | - Hakan Serbest
- Istanbul Health & Technology University, Faculty of Engineering and Natural Sciences, Department of Chemical Engineering, İstanbul 34173, Turkey
| | - Fatma Turak
- Yıldız Technical University, Department of Chemistry, İstanbul, 34210, Turkey.
| | - Sezgin Bakırdere
- Yıldız Technical University, Department of Chemistry, İstanbul, 34210, Turkey.
- Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street No: 112 Çankaya, Ankara, 06670, Turkey
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29
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Oliveira EM, Ferreira EC, Gomes Neto JA, Donati GL, Jones BT. Raman spectroscopy coupled to high-resolution continuum source flame molecular absorption spectrometry for sequential determination of nitrogen species in fertilizers. Spectrochim Acta A Mol Biomol Spectrosc 2022; 283:121737. [PMID: 35964351 DOI: 10.1016/j.saa.2022.121737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/02/2022] [Accepted: 08/06/2022] [Indexed: 06/15/2023]
Abstract
Raman spectroscopy (RS) was used to identify and quantify different nitrogen species in fertilizers. This is a fast and inexpensive method that requires no extensive sample preparation. Urea and nitrate were determined at 1000 and 1045 cm-1, respectively. Calibration plots obtained for these analytes showed adequate linearity, with regression coefficients (r) of 0.9989 and 0.9976, respectively. Ammonium was determined by difference after total N determination by high-resolution continuum source flame molecular absorption spectrometry (HR-CS FMAS), which provided a calibration plot with r = 0.9960. The inline coupling of RS and HR-CS FMAS allowed for a fast sequential determination of ammonium, nitrate, and urea, with limits of detection of 0.03 mg/L ammonium, 0.03 mg/L nitrate, and 0.01 mg/L urea. Relative standard deviations were ≤ 11 %, and the external standard calibration method provided accurate results for all analytes determined in certified reference materials, raw materials, and commercial samples of fertilizers. For comparison purposes, all samples were also analyzed by traditional Kjeldahl method. The RS HR-CS FMAS method was further validated by addition and recovery experiments, which provided recoveries in the 93 - 113 % range.
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Affiliation(s)
- Evilim M Oliveira
- Institute of Chemistry, São Paulo State University (UNESP), Araraquara City 14800-060, São Paulo State, Brazil
| | - Edilene C Ferreira
- Institute of Chemistry, São Paulo State University (UNESP), Araraquara City 14800-060, São Paulo State, Brazil
| | - José A Gomes Neto
- Institute of Chemistry, São Paulo State University (UNESP), Araraquara City 14800-060, São Paulo State, Brazil.
| | - George L Donati
- Department of Chemistry, Wake Forest University, Salem Hall, Box 7486, Winston-Salem, NC 27109, USA
| | - Bradley T Jones
- Department of Chemistry, Wake Forest University, Salem Hall, Box 7486, Winston-Salem, NC 27109, USA
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30
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Le DV, Giang PTK, Nguyen VT. Investigation of arsenic contamination in groundwater using hydride generation atomic absorption spectrometry. Environ Monit Assess 2022; 195:84. [PMID: 36344866 DOI: 10.1007/s10661-022-10707-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
The validated hydride generation atomic absorption spectrometry (HG-AAS) method has been used to investigate total arsenic in groundwater. Under optimal experimental conditions, the concentration of arsenic in groundwater can be analysed in the range of 0.5 to 50 µg/L, with a method detection limit of 0.15 µg/L. Its recovery in the field is from 96.3 to 99.8%, with high repeatability. The method was used to observe the total arsenic pollution in groundwater collected in Phu Tho Province, Vietnam. A total of 364 groundwater samples were analysed. The results showed that arsenic pollution was significant, with 15.93% of the samples higher than the maximum permissible level of arsenic. About 20.69% of the contaminated samples had a total arsenic ten times higher (100 µg/L) than the maximum permissible level of arsenic. The pollution source was also considered by comparing the arsenic level in the groundwater with arsenic in the surface water in the same areas. Thus, the use of the high-accuracy and sensitive method, HG-AAS, supplies valuable data on groundwater pollution for water resources management and environmental protection.
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Affiliation(s)
- Dinh Vu Le
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, 12 Nguyen Van Bao St., Go Vap, Ho Chi Minh City, 70000, Vietnam.
| | - Pham Thi Kim Giang
- VNU University of Education, 144 Xuan Thuy St, Cau Giay, Hanoi, 10000, Vietnam.
| | - Van Trong Nguyen
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, 12 Nguyen Van Bao St., Go Vap, Ho Chi Minh City, 70000, Vietnam
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31
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Orani AM, Vassileva E, Thomas OP. Application of SS-CS-HR-AAS measurements for the detection of Ag nanoparticles in marine invertebrates. Bull Environ Contam Toxicol 2022; 109:865-871. [PMID: 35908222 DOI: 10.1007/s00128-022-03573-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 06/23/2022] [Indexed: 06/15/2023]
Abstract
The present study describes the development of a fit-for-purpose analytical procedure for the detection of Ag NPs in different marine organisms by Solid Sampling Continuous Source High Resolution Atomic Absorption Spectrometry (SS-CS-HR-AAS). The detection is based on the observation of the Ag absorption peak and its atomization delay tad which is different for ionic Ag and Ag NPs. The temperature program was optimized in order to achieve the maximum difference between the t ad (Δtad ). The method was first developed using biota CRMs spiked with different Ag NPs standard solutions or Ag+ , at the same concentration. Then, laboratory exposure experiments were performed on mussels and marine sponges. The results showed that the developed methodology is suitable for the detection of Ag NPs for both groups of organisms, showing Δtad up to 3.1 s. The developed method is therefore a promising tool to assess the presence of AgNPs in marine invertebrates.
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Affiliation(s)
- Anna Maria Orani
- International Atomic Energy Agency, Marine Environment Laboratories, 4 Quai Antoine 1er, 98000, Monaco, Principality of Monaco
| | - Emilia Vassileva
- International Atomic Energy Agency, Marine Environment Laboratories, 4 Quai Antoine 1er, 98000, Monaco, Principality of Monaco.
| | - Olivier P Thomas
- National University of Ireland, | NUI Galway · School of Chemistry, University Road, H91 TK33, Galway, Ireland
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32
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Zhou LZ, Yang L. [Graphite furnace atomic absorption spectrometry for the determination of trace gallium in whole blood]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2022; 40:776-778. [PMID: 36348561 DOI: 10.3760/cma.j.cn121094-20211018-00510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Objective: To establish a graphite furnace atomic absorption spectrometry method for the determination of trace gallium in whole blood. Methods: From January to May 2021, the five factors of ashing temperature, ashing time, atomization temperature, atomization time and matrix modifier concentration in the determination of gallium in whole blood by graphite furnace atomic absorption spectrometry were optimized by using L(16) (4(5)) orthogonal test design. At the same time, within-run, between-run, spiking recovery test and other methodological indicators were tested. Results: Under the optimized detection conditions, the linear range of determination of gallium in whole blood by graphite furnace atomic absorption spectrometry was 0.29-100.00 μg/L (r=0.9991) . The within-run and between-run relative standard deviations (RSD) of repetitive measurement at 10.0, 50.0, 80.0 μg/L concentration levels were 2.3%-4.4% and 1.5%-3.6%, the recovery rate of spiking was 98.1%-103.8%, and the detection limit of the method was 0.13 μg/L. Conclusion: Graphite furnace atomic absorption spectrometry for the determination of trace gallium in whole blood is easy to operate, has a wide linear range, low detection limit, accurate and reliable results, which is suitable for occupational health examinations and the determination of acute gallium poisoning.
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Affiliation(s)
- L Z Zhou
- The Central Laboratory of Hunan Prevention and Treatment Institute for Occupational Disease, Changsha 410007, China
| | - L Yang
- The Central Laboratory of Hunan Prevention and Treatment Institute for Occupational Disease, Changsha 410007, China
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Ortegón S, Peñaranda PA, Rodríguez CF, Noguera MJ, Florez SL, Cruz JC, Rivas RE, Osma JF. Magnetic Torus Microreactor as a Novel Device for Sample Treatment via Solid-Phase Microextraction Coupled to Graphite Furnace Atomic Absorption Spectroscopy: A Route for Arsenic Pre-Concentration. Molecules 2022; 27:molecules27196198. [PMID: 36234749 PMCID: PMC9572641 DOI: 10.3390/molecules27196198] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/15/2022] [Accepted: 09/19/2022] [Indexed: 11/25/2022] Open
Abstract
This work studied the feasibility of using a novel microreactor based on torus geometry to carry out a sample pretreatment before its analysis by graphite furnace atomic absorption. The miniaturized retention of total arsenic was performed on the surface of a magnetic sorbent material consisting of 6 mg of magnetite (Fe3O4) confined in a very small space inside (20.1 µL) a polyacrylate device filling an internal lumen (inside space). Using this geometric design, a simulation theoretical study demonstrated a notable improvement in the analyte adsorption process on the solid extractant surface. Compared to single-layer geometries, the torus microreactor geometry brought on flow turbulence within the liquid along the curvatures inside the device channels, improving the efficiency of analyte–extractant contact and therefore leading to a high preconcentration factor. According to this design, the magnetic solid phase was held internally as a surface bed with the use of an 8 mm-diameter cylindric neodymium magnet, allowing the pass of a fixed volume of an arsenic aqueous standard solution. A preconcentration factor of up to 60 was found to reduce the typical “characteristic mass” (as sensitivity parameter) determined by direct measurement from 53.66 pg to 0.88 pg, showing an essential improvement in the arsenic signal sensitivity by absorption atomic spectrometry. This methodology emulates a miniaturized micro-solid-phase extraction system for flow-through water pretreatment samples in chemical analysis before coupling to techniques that employ reduced sample volumes, such as graphite furnace atomic absorption spectroscopy.
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Affiliation(s)
- Sofía Ortegón
- Department of Chemistry, Universidad de Los Andes, Cra. 1E No. 19a-40, Bogotá 111711, Colombia
| | - Paula Andrea Peñaranda
- Department of Electrical and Electronic Engineering, Universidad de Los Andes, Cra. 1E No. 19a-40, Bogotá 111711, Colombia
| | - Cristian F. Rodríguez
- Department of Biomedical Engineering, Universidad de Los Andes, Cra. 1E No. 19a-40, Bogotá 111711, Colombia
| | - Mabel Juliana Noguera
- Department of Electrical and Electronic Engineering, Universidad de Los Andes, Cra. 1E No. 19a-40, Bogotá 111711, Colombia
| | - Sergio Leonardo Florez
- Department of Electrical and Electronic Engineering, Universidad de Los Andes, Cra. 1E No. 19a-40, Bogotá 111711, Colombia
| | - Juan C. Cruz
- Department of Biomedical Engineering, Universidad de Los Andes, Cra. 1E No. 19a-40, Bogotá 111711, Colombia
| | - Ricardo E. Rivas
- Department of Chemistry, Universidad de Los Andes, Cra. 1E No. 19a-40, Bogotá 111711, Colombia
- Correspondence: (R.E.R.); (J.F.O.); Tel.: +57-1-339-4949 (J.F.O.)
| | - Johann F. Osma
- Department of Electrical and Electronic Engineering, Universidad de Los Andes, Cra. 1E No. 19a-40, Bogotá 111711, Colombia
- Correspondence: (R.E.R.); (J.F.O.); Tel.: +57-1-339-4949 (J.F.O.)
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Erarpat S, Demir C, Öner M, Bakırdere S. Chromium speciation by the combination of high-performance liquid chromatography and inductively coupled plasma-optical emission spectrometry. Environ Monit Assess 2022; 194:690. [PMID: 35984506 DOI: 10.1007/s10661-022-10395-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
A hyphenated instrumental method high-performance liquid chromatography-inductively coupled plasma-optical emission spectrometry (HPLC-ICP-OES) was used for the separation and determination of Cr(III) and Cr(VI). After the chromatographic separation of chromium species by anion exchange column, their spectrophotometric detection was carried out by ICP-OES system. Important instrumental and chromatographic parameters were investigated via univariate optimization approach to obtain high signal to noise ratio and good resolution for chromium species. Under the optimum HPLC-ICP-OES conditions, limit of detection (LOD) values for Cr(III) and Cr(VI) were found to be 0.27 and 0.05 mg/kg, respectively. In addition, accuracy and applicability of developed method were checked by recovery experiments performed with the spiked soil, grass, and water samples. High percent recovery results (88-104%) were achieved by utilizing matrix matching calibration strategy for the selected samples. The results showed that this method was accurate and applicable to soil, grass, and water samples.
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Affiliation(s)
- Sezin Erarpat
- Department of Chemistry, Faculty of Art and Science, Yıldız Technical University, 34220, Istanbul, Türkiye
| | - Cansu Demir
- Department of Chemistry, Faculty of Art and Science, Yıldız Technical University, 34220, Istanbul, Türkiye
| | - Miray Öner
- Department of Chemistry, Faculty of Art and Science, Yıldız Technical University, 34220, Istanbul, Türkiye
| | - Sezgin Bakırdere
- Department of Chemistry, Faculty of Art and Science, Yıldız Technical University, 34220, Istanbul, Türkiye.
- Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, 06670, Çankaya, Ankara, Türkiye.
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Minaberry YS, Costa C, Diz V, Tudino M. An ion imprinted magnetic organosilica nanocomposite for the selective determination of traces of Cd(II) in a minicolumn flow-through preconcentration system coupled with graphite furnace atomic absorption spectroscopy. Anal Methods 2022; 14:2920-2928. [PMID: 35861161 DOI: 10.1039/d2ay00804a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
In this paper we present the determination of ultratraces of cadmium ions in water by means of a minicolumn (MC) flow-through preconcentration system coupled with graphite furnace atomic absorption spectrometry. The core of the system is a lab-made ion imprinted magnetic organosilica nanocomposite which is employed as filler of the MC for the selective retention of the analyte. In this case superparamagnetic magnetite nanoparticles were coated with an amine-functionalized shell and ion imprinted with Cd(II) by a simple sol-gel co-condensation method. The setup was completed with the inclusion of a magnet fixed around the packed MC. This assembly - which is studied with an MII material for the first time here - allowed a homogeneous distribution of the solid on the walls of the MC, leaving a hole in the center and enabling the absence of material bleeding or obstructions to the free movement of fluids. Ion imprinted (MII) and non-imprinted (MNI) materials were studied for comparison purposes. Both were characterized and compared by DRX, FTIR, and SEM and their magnetic behavior by magnetization curves. Batch experiments showed an equilibration time of less than 10 minutes and a maximum adsorption pH of around 7 for both solids. The maximum capacity for MII was greater than that of MNI (200 mg g-1 and 30 mg g-1 respectively) and thus, the former was chosen for analytical purposes. Under MC dynamic conditions, sample and elution flow rates, volumes of the sample and eluant, and type and concentration of the most suitable eluant have been thoroughly investigated and optimized. Under the optimal experimental conditions, the MII filler showed a preconcentration factor of 200, a limit of detection of 0.64 ng L-1, a linear range of 2.5-100 ng L-1, RSD% of 1.9 (n = 6; 10 ng L-1) and a lifetime of more than 800 cycles of concentration-elution with no loss of sensitivity or need for refilling. The effect of potentially interfering ions on the percent recovery of cadmium was also studied. The proposed method was successfully applied to the determination of traces of Cd(II) in osmosis and tap water with recoveries of 98.0-101.3%. A comparison with similar methods is also provided.
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Affiliation(s)
- Yanina Susana Minaberry
- Laboratorio de Trazas, Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria Pab. II, C1428EHA, Buenos Aires, Argentina.
| | - Cecilia Costa
- Departamento de Química Inorgánica, Analítica y Química Física,, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria Pab. II, C1428EHA, Buenos Aires, Argentina
| | - Virginia Diz
- Departamento de Química Inorgánica, Analítica y Química Física,, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria Pab. II, C1428EHA, Buenos Aires, Argentina
| | - Mabel Tudino
- Laboratorio de Trazas, Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria Pab. II, C1428EHA, Buenos Aires, Argentina.
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Kartal Temel N, Gürkan R. An indirect method for the analysis of bisphenol A, as a Mn(III)-chelate complex, in milk samples by ultrasound assisted-cloud point extraction/flame atomic absorption spectrometry. Anal Methods 2022; 14:2596-2607. [PMID: 35726781 DOI: 10.1039/d2ay00301e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
A method for indirect determination of bisphenol A (BPA), as a Mn(III)-chelate complex, in milk samples by flame atomic absorption spectrometry (FAAS) was developed. The method was based on cloud point extraction with ultrasound assistance (UA-CPE). In the pre-concentration step by UA-CPE, the ternary complex selectively formed between BPA and Mn(III)-oxalate at pH 5.0 was extracted into the mixed micellar phase of ionic and nonionic surfactants, cetyltrimethylammonium bromide (CTABr) and polyethylene glycol tert-octylphenyl ether (Triton X-114) as a sensitivity enhancer and extractant. After phase separation by centrifugation, the separated extract was diluted with acidic methanol and analyzed by FAAS. The reproducibility of the signal in the detection step especially at low concentrations was greatly improved by the use of polyvinyl alcohol (PVA) as a stabilizer. Using indirect Mn-responses by FAAS, the main variables affecting the extraction efficiency were evaluated and optimized. Under optimized conditions, the calibration graph was highly linear in the range of 0.8-130 μg L-1 with limits of detection and quantification of 0.23 and 0.76 μg L-1, intra- and inter-day precisions in the range of 2.8-5.2% and 3.8-7.2%, and recovery in the range of 94.2-98.5% (10, 25, 100 μg L-1, n: 5 and 3 × 5). From pre-concentration of a 35 mL sample by UA-CPE, the pre-concentration factor was found to be 70 with a 41-fold sensitivity improvement. The matrix effect was greatly reduced by deproteinization with trichloroacetic acid (TCA) and 20-fold dilution of milk samples before analysis. The method accuracy was checked by analysis of trace BPA in milk samples via a calibration curve in solvent and a matrix-matched calibration curve prepared from sample extracts. The results were in the range of 2.1-7.3 μg L-1 and 2.0-7.0 μg L-1 without any matrix effect. According to the Student's t-test, there is not a statistically significant difference between the results found by using the two calibration curves. Finally, it can be concluded that the method is suitable for detecting BPA in milk based products at concentrations far below the specific migration limit (SML) of 600 μg L-1.
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Affiliation(s)
- Nuket Kartal Temel
- University of Cumhuriyet, Faculty of Sciences, Department of Chemistry, TR-58140, Sivas, Turkey.
| | - Ramazan Gürkan
- University of Cumhuriyet, Faculty of Sciences, Department of Chemistry, TR-58140, Sivas, Turkey.
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Şanlıer Uçak Ş, Aydın A. A novel thiourea derivative for preconcentration of copper(II), nickel(II), cadmium(II), lead(II) and iron(II) from seawater samples for Flame Atomic Absorption Spectrophotometry. Mar Pollut Bull 2022; 180:113787. [PMID: 35659666 DOI: 10.1016/j.marpolbul.2022.113787] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 05/16/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
A novel adsorbent, 3-phenyl-1-(2-pyridyl)thiourea (PPTU) was synthesized and its adsorption capabilities were studied for Cu(II), Cd(II), Ni(II), Pb(II) and Fe(II) cations in the waters such as tap and polluted seawaters. The kinetics, Langmuir and Freundlich isotherms were discussed related to the adsorptions. The adsorption capacities of PPTU were found 9.4; 12.6; 90.9; 57.1 and 30.4 mg g-1 and preconcentration with PPTU including the FAAS step yielded the LOQ values 0.46; 2.65; 1.12; 2.65 and 1.72 ng mL-1 for Cu(II), Cd(II), Ni(II), Pb(II) and Fe(II), respectively. The adsorbent after the elutions and washings could be reused three times in the next adsorptions. The interferences on the adsorptions arising from the major cations of the seawater and the usability of PPTU for interested metals in the seawater were discussed. The proposed method is simple with highly efficient and green preconcentration procedure for trace analysis of the target metal ions.
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Affiliation(s)
- Şengül Şanlıer Uçak
- Recep Tayyip Erdogan University, Turgut Kiran Maritime Faculty, Department of Maritime Transportation Management Engineering, Turkey.
| | - Adnan Aydın
- Demiroğlu Bilim University, Faculty of Health Sciences, Turkey.
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Karatepe A, Yemen M, Kayapa F, Yılmaz E, Karipcin F, Soylak M. Vortex-assisted restricted access-based supramolecular solvent microextraction of trace Pb(II) ions with 4-(benzimidazolisonitrosoacetyl)biphenyl as a complexing agent before microsampling flame AAS analysis. Talanta 2022; 248:123651. [PMID: 35671545 DOI: 10.1016/j.talanta.2022.123651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/01/2022] [Accepted: 06/01/2022] [Indexed: 11/19/2022]
Abstract
A new oxime compound, 4-(benzimidazolisonitrosoacetyl)biphenyl (BIBP) was synthesized and used as a complexing agent in this study to preconcentrate trace amounts of Pb(II) ions with vortex-assisted restricted access-based supramolecular solvent microextraction (RA/SUPRAS-LPME) method. The new complexing agent was characterized by a combination of elemental analyses, Proton Nuclear Magnetic Resonance (1H- NMR), Carbon-13 Nuclear Magnetic Resonance (13C NMR) and Fourier Transform Infrared spectroscopy (FT-IR) and techniques. Extraction of the complex which was formed at pH 8.0 was done by using a supramolecular solvent phase of tetrahydrofuran (THF) and 1-decanol. A microsampling flame atomic absorption spectrophotometer was used to measure the lead ion concentrations of the extract. The method optimized and the optimum experimental conditions were found as; pH = 8, amount of the ligand 2,25 mg, supramolecular solvent volume 50 μL, sample volume 20 mL and vortex time 3 min. The limit of detection (LOD), limit of quantification (LOQ) were calculated as 0.69 μg L-1 and 2.29 μg L-1, respectively. Linear range was found between 15.1 μg L-1 and 606 μg L-1. The developed method was applied to Pb(II) determination in real samples after evaluating the accuracy by using the TMDA-53.3 fortified environmental water sample as certified reference material.
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Affiliation(s)
- Aslıhan Karatepe
- Nevşehir Hacı Bektaş Veli University, Faculty of Arts and Science, Department of Chemistry, 50300, Nevşehir, Turkey.
| | - Mustafa Yemen
- Nevşehir Hacı Bektaş Veli University, Faculty of Arts and Science, Department of Chemistry, 50300, Nevşehir, Turkey
| | - Faruk Kayapa
- Nevşehir Hacı Bektaş Veli University, Faculty of Arts and Science, Department of Chemistry, 50300, Nevşehir, Turkey
| | - Erkan Yılmaz
- Erciyes University, Faculty of Pharmacy, Department of Analytical Chemistry, 38039, Kayseri, Turkey; Technology Research & Application Center (ERU-TAUM), Erciyes University, 38039, Kayseri, Turkey; ERNAM Erciyes University, Nanotechnology Application and Research Center, 38039, Kayseri, Turkey
| | - Fatma Karipcin
- Nevşehir Hacı Bektaş Veli University, Faculty of Arts and Science, Department of Chemistry, 50300, Nevşehir, Turkey
| | - Mustafa Soylak
- Technology Research & Application Center (ERU-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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Sulejmanović J, Memić M, Šehović E, Omanović R, Begić S, Pazalja M, Ajanović A, Azhar O, Sher F. Synthesis of green nano sorbents for simultaneous preconcentration and recovery of heavy metals from water. Chemosphere 2022; 296:133971. [PMID: 35182527 DOI: 10.1016/j.chemosphere.2022.133971] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 01/22/2022] [Accepted: 02/11/2022] [Indexed: 06/14/2023]
Abstract
The wastewater containing Cd, Co, Fe, Cu, Cr, Mn, Ni and Pb ions are as trace metal pollutants. Water pollution caused by increment in industrialization and overpopulation reveals a major threat to human health. Adsorption is recognized as the effective and optimum method to remove water contaminations. The amorphous and porous form of silicon dioxide is silica gel widely used as an adsorbent. It can absorb moisture with traces of the target heavy metal ions. This research elaborates a simplistic, and reliable preconcentration column method highly developed for the determination of Cd2+, Fe3+, Co2+, Cr3+, Cu2+, Mn2+, Pb2+ and Ni2+ ions in model solutions and real water samples by flame atomic absorption spectrometry (FAAS). The proposed operation depends on the retention of the target ions from buffered model solutions on a silica gel filled up a column modified with vanadium(V) oxide sorbent followed by their desorption. SiO2/V2O5 is an efficient adsorbent due to its low cost, eco-friendly and high availability. The adsorbent morphological and interfacial physicochemical characterization was done using scanning electron microscopy, and Fourier transmission infrared spectroscopy, respectively. The 2.92 value achieved for the point of zero charges supports the experimentation for the heavy metal efficient adsorption. Quantitative recoveries were achieved at pH 10 with 50 mg of SiO2/V2O5 mass and adsorption capacity ranged from 28.96 μmol/g (Pb) to 214.86 μmol/g (Fe) with 1114.79 μmol/g in total. Simultaneous preconcentration effect was determined by the interference cations on the sorbent. The LOD varies from 8.42 to 50.56 μg/L and LOQ is achieved from 20.06 to 72.41 μg/L of 15 blank solutions. The developed preconcentration procedure was adequately implemented for the simultaneous analysis of eight metallic ions content in local river samples. The developed vanadium(V) oxide incorporated with silica gel is practicable as an economical and effective adsorbent to eliminate metallic ions from a liquid solution.
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Affiliation(s)
- Jasmina Sulejmanović
- Department of Chemistry, Faculty of Science, University of Sarajevo, Zmaja od Bosne 33-35, Sarajevo 71 000, Bosnia and Herzegovina.
| | - Mustafa Memić
- Department of Chemistry, Faculty of Science, University of Sarajevo, Zmaja od Bosne 33-35, Sarajevo 71 000, Bosnia and Herzegovina
| | - Elma Šehović
- Department of Chemistry, Faculty of Science, University of Sarajevo, Zmaja od Bosne 33-35, Sarajevo 71 000, Bosnia and Herzegovina
| | - Rasim Omanović
- Department of Chemistry, Faculty of Science, University of Sarajevo, Zmaja od Bosne 33-35, Sarajevo 71 000, Bosnia and Herzegovina
| | - Sabina Begić
- Department of Chemistry, Faculty of Science, University of Sarajevo, Zmaja od Bosne 33-35, Sarajevo 71 000, Bosnia and Herzegovina
| | - Mirha Pazalja
- Faculty of Pharmacy, University of Sarajevo, Zmaja od Bosne 8, 71 000, Sarajevo, Bosnia and Herzegovina
| | - Atifa Ajanović
- Faculty of Veterinary Medicine, University of Sarajevo, Zmaja od Bosne 90, 71000, Sarajevo, Bosnia and Herzegovina
| | - Ofaira Azhar
- Department of Chemical Engineering, School of Chemical and Materials Engineering, National University of Sciences and Technology, Islamabad, 44000, Pakistan; International Society of Engineering Science and Technology, United Kingdom
| | - Farooq Sher
- Department of Engineering, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK.
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Gende M, Schmeling M. Development of an analytical method for determination of lead and cadmium in biological materials by GFAAS using Escherichia coli as model substance. PLoS One 2022; 17:e0267775. [PMID: 35503792 PMCID: PMC9064108 DOI: 10.1371/journal.pone.0267775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 04/14/2022] [Indexed: 11/18/2022] Open
Abstract
In this work, an analytical method was developed for the determination of lead and cadmium in biological samples using graphite furnace atomic absorption spectrometry. Escherichia coli (E. coli) was chosen as model substance for this purpose as it is readily available in most laboratories and can be quickly and easily prepared with a high turnaround rate. Four different sample preparation methods were initially evaluated with respect to percent recovery, limit of detection, and limit of quantification, and the most promising one was developed further. The final process involving microwave assisted digestion of the sample with nitric acid and hydrogen peroxide showed high recovery, repeatability, and specificity. The process was first applied to lead and then extended for the determination of cadmium in the same E. coli substrates. Finally, to validate the process, a certified references material was analyzed, and the results obtained were evaluated with respect to accuracy by comparing them to the reported ones.
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Affiliation(s)
- Michelle Gende
- Department of Chemistry and Biochemistry, Loyola University Chicago, Chicago, IL, United States of America
| | - Martina Schmeling
- Department of Chemistry and Biochemistry, Loyola University Chicago, Chicago, IL, United States of America
- * E-mail:
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Saygili Canlidinç R. Determination of the Cadmium Ions from Aqueous Solution Using EDTA Functionalized Prunus Dulcis L. Peels by Solid-Phase Extraction Method. Bull Environ Contam Toxicol 2022; 108:976-984. [PMID: 35080672 DOI: 10.1007/s00128-021-03450-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 12/29/2021] [Indexed: 06/14/2023]
Abstract
In the present study, Prunus Dulcis L. Peels was modified with ethylenedinitrilo tetraacetic acid and used as the sorbent for the preconcentration of Cd(II) ions from aqueous media. To characterize the sorbent, scanning electron microscopy-energy dispersive X-ray spectrometer and Fourier transform infrared spectrometer analysis were used. The optimum preconcentration conditions such as pH, eluent type, sample volume, sample flow rate and foreign ions effect were determined. The mean recovery and relative standard deviation values were found to be 100.7 ± 1.5 and 4.01% for Cd(II) ions. The capacity of the sorbent was obtained 277.8 mg g-1 from the Langmuir isotherm model. The limit of detection was calculated as 0.216 µg L-1 (P.F:40). In order to test the accuracy and applicability of the method, certified reference material and spiked water samples were analyzed. The results demonstrated good agreement with the certified values (relative error < 10%).
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Affiliation(s)
- Rukiye Saygili Canlidinç
- Department of Chemistry, Science and Art Faculty, Kütahya Dumlupınar University, 43100, Kutahya, Turkey.
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Mishra P, Kumar R, Dwivedi A, Rai AK. Analysis of constituents present in smokeless tobacco ( Nicotiana tabacum)using spectroscopic techniques. Methods Appl Fluoresc 2022; 10:034001. [PMID: 35290966 DOI: 10.1088/2050-6120/ac5e11] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 03/15/2022] [Indexed: 11/11/2022]
Abstract
Laser-Induced Breakdown Spectroscopy (LIBS) is an analytical technique used to identify and quantify the elements present in any type of material present in any phase (solid, liquid, gas, and aerosol). In the present work, our objective is to find the presence of toxic and other elements in chewing tobacco (Nicotiana tabacum) using LIBS. Spectral signatures of elements like C, Fe, Si, Mg, Mn, Ca, Ti, Na, H, N, K, O, along with some toxic elements Al, Sr, Li, Cu, Sb, and Cr are observed in the LIBS spectra of these tobacco samples. The spectral intensity ratio is measured for quantitative analysis of elements present in the samples. Further, Atomic Absorption Spectroscopy is used for determining absolute concentration in these samples. A relation between the AAS result and the relative intensity of spectral lines measured in the LIBS is obtained using regression analysis. The multivariate technique, Principal Component Analysis (PCA), discriminates all the samples based on their toxicity and other constituents. Molecular study (Photoacoustic spectroscopy (PAS), UV-Visible (UV-vis), and FT-IR) of tobacco samples were performed to analyze the molecules present in the tobacco samples.
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Affiliation(s)
- Pratima Mishra
- Department of Physics, University of Allahabad 211002, India
| | - Rohit Kumar
- Department of Physics, C.M.P. College, University of Allahabad, Prayagraj, 211002, India
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Sun Q, Cui X, Wang Y, Zhang P, Lu W. Comparison Studies on Several Ligands Used in Determination of Cd(II) in Rice by Flame Atomic Absorption Spectrometry after Ultrasound-Assisted Dispersive Liquid-Liquid Microextraction. Molecules 2022; 27:molecules27030590. [PMID: 35163864 PMCID: PMC8838845 DOI: 10.3390/molecules27030590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/01/2022] [Accepted: 01/13/2022] [Indexed: 11/30/2022]
Abstract
Ligands plays an important role in the extraction procedures for the determination of cadmium in rice samples by using flame atomic absorption spectrometry (FAAS). In the present study, comparative evaluation of 10 commercially available ligands for formation of Cd(II)-ligand complex and determination of cadmium in rice samples by ultrasound-assisted dispersive liquid–liquid microextraction (UADLLME) combined with FAAS was developed. Sodium diethyldithiocarbamate (DDTC) provided a high distribution coefficient as well as a good absorbance signal, therefore DDTC was used as a ligand in UADLLME. A low density and less toxic solvent, 1-heptanol, was used as the extraction solvent and ethanol was used as the disperser solvent. In addition, the experimental conditions of UADLLME were optimized in standard solution first and then applied in rice, such as the type and volume of extractant and dispersant, pH, extraction time, and temperature. Under the optimal experimental conditions, the detection limit (3σ) was 0.69 μg/L for Cd(II). The proposed method was applied for the determination of Cd(II) in three different rice samples (polished rice, brown rice, and glutinous rice), the recovery test was carried out, and the results ranged between 96.7 to 113.6%. The proposed method has the advantages of simplicity, low cost, and accurate and was successfully applied to analyze Cd(II) in rice.
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Takagi K, Miyazaki H. [A Rapid Determination Method of Metals in Foods for Emergency Response to Health Crisis]. Shokuhin Eiseigaku Zasshi 2022; 63:105-108. [PMID: 35858794 DOI: 10.3358/shokueishi.63.105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
A rapid determination method for emergency response to health crisis caused by metals in foods, was developed using microwave decomposition equipment and inductively coupled plasma atomic emission spectroscopy (ICP-AES). The method was assessed for 18 elements (Al, As, B, Cd, Co, Cr, Cu, Fe, Hg, Mn, Mo, Ni, Pb, Sb, Se, Sn, Tl and Zn) in 5 kinds of beverages and 7 kinds of foods. A single-laboratory method validation study was performed using food samples added with 20 mg/kg of each metal. Trueness was 88-108% and intralaboratory reproducibility was 0.2-11.3%. Time required for analysis was less than 3 hr. Thus, the presented method could be useful for rapid analysis of metals involved food poisoning cases.
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Winckelmann A, Morcillo D, Richter S, Recknagel S, Riedel J, Vogl J, Panne U, Abad C. Determination of lithium in human serum by isotope dilution atomic absorption spectrometry. Anal Bioanal Chem 2022; 414:251-256. [PMID: 34505166 PMCID: PMC8748318 DOI: 10.1007/s00216-021-03636-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 07/15/2021] [Accepted: 08/26/2021] [Indexed: 11/30/2022]
Abstract
The therapeutic dose of lithium (Li) compounds, which are widely used for the treatment of psychiatric and hematologic disorders, is close to its toxic level; therefore, drug monitoring protocols are mandatory. Herein, we propose a fast, simple, and low-cost analytical procedure for the traceable determination of Li concentration in human serum, based on the monitoring of the Li isotope dilution through the partially resolved isotope shift in its electronic transition around 670.80 nm using a commercially available high-resolution continuum source graphite furnace atomic absorption spectrometer. With this technique, serum samples only require acidic digestion before analysis. The procedure requires three measurements-an enriched 6Li spike, a mixture of a certified standard solution and spike, and a mixture of the sample and spike with a nominal 7Li/6Li ratio of 0.82. Lanthanum has been used as an internal spectral standard for wavelength correction. The spectra are described as the linear superposition of the contributions of the respective isotopes, each consisting of a spin-orbit doublet, which can be expressed as Gaussian components with constant spectral position and width and different relative intensity, reflecting the isotope ratio in the sample. Both the spectral constants and the correlation between isotope ratio and relative band intensity have been experimentally obtained using commercially available materials enriched with Li isotopes. The Li characteristic mass (mc) obtained corresponds to 0.6 pg. The procedure has been validated using five human serum certified reference materials. The results are metrologically comparable and compatible to the certified values. The measurement uncertainties are comparable to those obtained by the more complex and expensive technique, isotope dilution mass spectrometry.
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Affiliation(s)
- Alexander Winckelmann
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489, Berlin, Germany
- Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489, Berlin, Germany
| | - Dalia Morcillo
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489, Berlin, Germany
- Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489, Berlin, Germany
| | - Silke Richter
- Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489, Berlin, Germany
| | - Sebastian Recknagel
- Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489, Berlin, Germany
| | - Jens Riedel
- Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489, Berlin, Germany
| | - Jochen Vogl
- Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489, Berlin, Germany
| | - Ulrich Panne
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489, Berlin, Germany
- Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489, Berlin, Germany
| | - Carlos Abad
- Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, 12489, Berlin, Germany.
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Voica C, Nechita C, Iordache AM, Roba C, Zgavarogea R, Ionete RE. ICP-MS Assessment of Essential and Toxic Trace Elements in Foodstuffs with Different Geographic Origins Available in Romanian Supermarkets. Molecules 2021; 26:molecules26237081. [PMID: 34885663 PMCID: PMC8658825 DOI: 10.3390/molecules26237081] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/18/2021] [Accepted: 11/19/2021] [Indexed: 02/07/2023] Open
Abstract
The present study was conducted to quantify the daily intake and target hazard quotient of four essential elements, namely, chromium, cobalt, nickel, and copper, and four toxic trace elements, mercury, cadmium, lead, and arsenic. Thirty food items were assigned to five food categories (seeds, leaves, powders, beans, and fruits) and analyzed using inductively coupled plasma-mass spectrometry. Factor analysis after principal component extraction revealed common metal patterns in all foodstuffs, and using hierarchical cluster analysis, an association map was created to illustrate their similarity. The results indicate that the internationally recommended dietary allowance was exceeded for Cu and Cr in 27 and 29 foodstuffs, respectively. According to the tolerable upper level for Ni and Cu, everyday consumption of these elements through repeated consumption of seeds (fennel, opium poppy, and cannabis) and fruits (almond) can have adverse health effects. Moreover, a robust correlation between Cu and As (p < 0.001) was established when all samples were analyzed. Principal component analysis (PCA) demonstrated an association between Pb, As, Co, and Ni in one group and Cr, Cu, Hg, and Cd in a second group, comprising 56.85% of the total variance. For all elements investigated, the cancer risk index was within safe limits, highlighting that lifetime consumption does not increase the risk of carcinogens.
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Affiliation(s)
- Cezara Voica
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Str., 400293 Cluj-Napoca, Romania;
| | - Constantin Nechita
- National Research and Development Institute for Forestry “Marin Drăcea”—INCDS, 725100 Câmpulung Moldovenesc, Romania
- Correspondence: (C.N.); (A.M.I.); (R.Z.)
| | - Andreea Maria Iordache
- National Research and Development Institute of Cryogenics and Isotopic Technologies—ICSI Rm. Valcea, 4 Uzinei Str., 240050 Rm. Valcea, Romania;
- Correspondence: (C.N.); (A.M.I.); (R.Z.)
| | - Carmen Roba
- Faculty of Environmental Science and Engineering, Babeş-Bolyai University, 30 Fantanele Str., 400294 Cluj-Napoca, Romania;
| | - Ramona Zgavarogea
- National Research and Development Institute of Cryogenics and Isotopic Technologies—ICSI Rm. Valcea, 4 Uzinei Str., 240050 Rm. Valcea, Romania;
- Correspondence: (C.N.); (A.M.I.); (R.Z.)
| | - Roxana Elena Ionete
- National Research and Development Institute of Cryogenics and Isotopic Technologies—ICSI Rm. Valcea, 4 Uzinei Str., 240050 Rm. Valcea, Romania;
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Zhou R, Liu K, Tang Z, Gao P, Yan J, Li X. High-sensitivity determination of available cobalt in soil using laser-induced breakdown spectroscopy assisted with laser-induced fluorescence. Appl Opt 2021; 60:9062-9066. [PMID: 34623986 DOI: 10.1364/ao.433538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 09/14/2021] [Indexed: 06/13/2023]
Abstract
Conventional laser-induced breakdown spectroscopy could not conduct high-sensitivity determination of available cobalt due to spectral interference and weak spectral intensity. To improve the poor detection sensitivity of available cobalt in soil, available cobalt was extracted from soil and prepared. Laser-induced breakdown spectroscopy assisted with laser-induced fluorescence was introduced to excite and detect the cobalt element. The results showed that coefficients of the calibration curve for the available cobalt element could reach 0.9991, and the limits of detection could reach 0.005 mg/kg in soil under optimized conditions, which were all much better than conventional LIBS and reach the international minimum detection standards. This work provides a possible approach for detecting available trace elements in soil.
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Zhang Y, Qiu G, Wang R, Guo Y, Guo F, Wu J. Preparation of Bamboo-Based Hierarchical Porous Carbon Modulated by FeCl 3 towards Efficient Copper Adsorption. Molecules 2021; 26:molecules26196014. [PMID: 34641557 PMCID: PMC8512165 DOI: 10.3390/molecules26196014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/30/2021] [Accepted: 09/30/2021] [Indexed: 11/16/2022] Open
Abstract
Using bamboo powder biochar as raw material, high-quality meso/microporous controlled hierarchical porous carbon was prepared—through the catalysis of Fe3+ ions loading, in addition to a chemical activation method—and then used to adsorb copper ions in an aqueous solution. The preparation process mainly included two steps: load-alkali leaching and chemical activation. The porosity characteristics (specific surface area and mesopore ratio) were controlled by changing the K2CO3 impregnation ratio, activation temperature, and Fe3+ ions loading during the activation process. Additionally, three FBPC samples with different pore structures and characteristics were studied for copper adsorption. The results indicate that the adsorption performance of the bamboo powder biochar FBPC material was greatly affected by the meso/micropore ratio. FBPC 2.5-900-2%, impregnated at a K2CO3: biochar ratio of 2.5 and a Fe3+: biochar mass ratio of 2%, and activated at 900 °C for 2 h in N2 atmosphere, has a very high specific surface area of 1996 m2 g−1 with a 58.1% mesoporous ratio. Moreover, it exhibits an excellent adsorption capacity of 256 mg g−1 and rapid adsorption kinetics for copper ions. The experimental results show that it is feasible to control the hierarchical pore structure of bamboo biochar-derived carbons as a high-performance adsorbent to remove copper ions from water.
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Affiliation(s)
- Yixin Zhang
- National Engineering Research Center of Coal Preparation and Purification, China University of Mining and Technology, No.1 Daxue Road, Xuzhou 221116, China
- Shandong Xuanyuan Scientific Engineering and Industrial Technology Research Institute Co., Ltd., Longgu, Juye, Heze 274918, China
- Correspondence: (Y.Z.); (J.W.); Tel.: +86-152-62-190-991 (Y.Z.); +86-139-51-350-506 (J.W.)
| | - Guofeng Qiu
- School of Chemical Engineering and Technology, China University of Mining and Technology, No.1 Daxue Road, Xuzhou 221116, China; (G.Q.); (R.W.); (Y.G.); (F.G.)
| | - Rumeng Wang
- School of Chemical Engineering and Technology, China University of Mining and Technology, No.1 Daxue Road, Xuzhou 221116, China; (G.Q.); (R.W.); (Y.G.); (F.G.)
| | - Yang Guo
- School of Chemical Engineering and Technology, China University of Mining and Technology, No.1 Daxue Road, Xuzhou 221116, China; (G.Q.); (R.W.); (Y.G.); (F.G.)
| | - Fanhui Guo
- School of Chemical Engineering and Technology, China University of Mining and Technology, No.1 Daxue Road, Xuzhou 221116, China; (G.Q.); (R.W.); (Y.G.); (F.G.)
| | - Jianjun Wu
- School of Chemical Engineering and Technology, China University of Mining and Technology, No.1 Daxue Road, Xuzhou 221116, China; (G.Q.); (R.W.); (Y.G.); (F.G.)
- Correspondence: (Y.Z.); (J.W.); Tel.: +86-152-62-190-991 (Y.Z.); +86-139-51-350-506 (J.W.)
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Krakowska A, Reczyński W, Krakowski T, Szewczyk K, Opoka W, Muszyńska B. A New Biotechnology Method of Bioelements' Accumulation Monitoring in In Vitro Culture of Agaricus bisporus. Molecules 2021; 26:5165. [PMID: 34500599 PMCID: PMC8434289 DOI: 10.3390/molecules26175165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/20/2021] [Accepted: 08/23/2021] [Indexed: 11/16/2022] Open
Abstract
Agaricus bisporus (J.E. Lange) Imbach is one the most popular species of edible mushrooms in the world because of its taste and nutritional properties. In the research, repeatability of accumulation of bioelements and biomass yield in experimentally chosen in vitro culture medium, was confirmed. The in vitro cultures were conducted on the modified Oddoux medium enriched with bioelements (Mg, Zn, Cu, Fe). The aim of the study was to create an effective method of sampling, which enabled non-invasive monitoring of metals concentrations changes in the medium, during increase of biomass in in vitro cultures. The first, indirect method of sampling was applied. The non-invasive probe (a dipper) for in vitro culture was used; hence, the highest biomass increase and metals accumulation were gained. The method also guaranteed culture sterility. The second method, a direct one, interfered the in vitro culture conditions and growth of mycelium, and as a consequence the lower biomass increase and metals' accumulation were observed. Few cases of contaminations of mycelium in in vitro cultures were observed. The proposed method of non-invasive sampling of the medium can be used to monitor changes in the concentrations of metals in the medium and their accumulation in the mycelium in natural environment. Changes in concentrations of the selected metals over time, determined by the method of atomic absorption spectrometry, made it possible to correlate the obtained results with the specific stages of A. bisporus mycelium development and to attempt to explain the mechanism of sampling metals from the liquid substrate.
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Affiliation(s)
- Agata Krakowska
- Department of Inorganic and Analytical Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna Street, 30-688 Kraków, Poland;
| | - Witold Reczyński
- Department of Analytical Chemistry and Biochemistry, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Adama Mickiewicza Ave. 30, 30-059 Kraków, Poland; (W.R.); (K.S.)
| | - Tomasz Krakowski
- Department of Machinery Engineering and Transport, Faculty of Mechanical Engineering and Robotics, AGH University of Science and Technology, Adama Mickiewicza Ave. 30, 30-059 Kraków, Poland;
| | - Karolina Szewczyk
- Department of Analytical Chemistry and Biochemistry, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Adama Mickiewicza Ave. 30, 30-059 Kraków, Poland; (W.R.); (K.S.)
| | - Włodzimierz Opoka
- Department of Inorganic and Analytical Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna Street, 30-688 Kraków, Poland;
| | - Bożena Muszyńska
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Jagiellonian University Medical College, 9 Medyczna Street, 30-688 Kraków, Poland;
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Astolfi ML, Conti ME, Ristorini M, Frezzini MA, Papi M, Massimi L, Canepari S. An Analytical Method for the Biomonitoring of Mercury in Bees and Beehive Products by Cold Vapor Atomic Fluorescence Spectrometry. Molecules 2021; 26:molecules26164878. [PMID: 34443466 PMCID: PMC8399589 DOI: 10.3390/molecules26164878] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 08/06/2021] [Accepted: 08/10/2021] [Indexed: 11/16/2022] Open
Abstract
Bees and their products are useful bioindicators of anthropogenic activities and could overcome the deficiencies of air quality networks. Among the environmental contaminants, mercury (Hg) is a toxic metal that can accumulate in living organisms. The first aim of this study was to develop a simple analytical method to determine Hg in small mass samples of bees and beehive products by cold vapor atomic fluorescence spectrometry. The proposed method was optimized for about 0.02 g bee, pollen, propolis, and royal jelly, 0.05 g beeswax and honey, or 0.1 g honeydew with 0.5 mL HCl, 0.2 mL HNO3, and 0.1 mL H2O2 in a water bath (95 °C, 30 min); samples were made up to a final volume of 5 mL deionized water. The method limits sample manipulation and the reagent mixture volume used. Detection limits were lower than 3 µg kg−1 for a sample mass of 0.02 g, and recoveries and precision were within 20% of the expected value and less than 10%, respectively, for many matrices. The second aim of the present study was to evaluate the proposed method’s performances on real samples collected in six areas of the Lazio region in Italy.
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Affiliation(s)
- Maria Luisa Astolfi
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
- Correspondence: ; Tel./Fax: +39-06-4991-3384
| | - Marcelo Enrique Conti
- Department of Management, Sapienza University of Rome, via del Castro Laurenziano 9, 00161 Rome, Italy;
| | - Martina Ristorini
- Department of Bioscience and Territory, University of Molise, 86090 Pesche, Italy;
| | - Maria Agostina Frezzini
- Department of Environmental Biology, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; (M.A.F.); (L.M.); (S.C.)
| | - Marco Papi
- Association of Beekeepers of Rome and Province, via Albidona 20, 00118 Rome, Italy;
| | - Lorenzo Massimi
- Department of Environmental Biology, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; (M.A.F.); (L.M.); (S.C.)
| | - Silvia Canepari
- Department of Environmental Biology, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; (M.A.F.); (L.M.); (S.C.)
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