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Song G, Tan H, Cheng C, Li P, Sun X, Zhou Y, Fang Y. Development of a Fast Method Using Inductively Coupled Plasma Mass Spectrometry Coupled with High-Performance Liquid Chromatography and Exploration of the Reduction Mechanism of Cr(VI) in Foods. TOXICS 2024; 12:325. [PMID: 38787104 PMCID: PMC11125859 DOI: 10.3390/toxics12050325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 04/18/2024] [Accepted: 04/28/2024] [Indexed: 05/25/2024]
Abstract
Hexavalent chromium (Cr(VI)) is known as the most hazardous species of chromium. Speciation analysis of Cr in foods is of a great significance for assessing its influences on human health. In this study, a fast HPLC-ICP-MS method for the determination of Cr(VI) was developed for determining the content of Cr(VI) and also investigating its transformation in foods. The developed method employs an alkali extraction and weak anion-exchange column separation for distinguishing the Cr species, facilitating accurate Cr(VI) quantification within 1.5 min. This technique was applied to determine the Cr(VI) levels in a range of food products, including yoghurt, milk powder, rice flour, orange juice, green tea, white vinegar, and whole wheat bread. The results showed that no Cr(VI) was detected in these food products. Spiking experiments revealed that the recovery rate of Cr(VI) decreased with the increase in its contact time with food products. A further exploration of Cr(VI) in various food components such as vitamin C, tea polyphenols, whey proteins, gelatin, fructose, and cellulose indicated the conversion of Cr(VI) to organic Cr(III) over a period from 20 min to 60 h. It was found that high temperatures and acidic conditions accelerated the rate of Cr(VI) conversion to organic Cr(III) in the six food components mentioned above. This evidence suggests that natural reducing substances in foods probably prevent the occurrence of Cr(VI).
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Affiliation(s)
- Ge Song
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing 210023, China; (G.S.); (H.T.); (C.C.); (X.S.); (Y.F.)
| | - Honglian Tan
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing 210023, China; (G.S.); (H.T.); (C.C.); (X.S.); (Y.F.)
| | - Chuhan Cheng
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing 210023, China; (G.S.); (H.T.); (C.C.); (X.S.); (Y.F.)
| | - Peng Li
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing 210023, China; (G.S.); (H.T.); (C.C.); (X.S.); (Y.F.)
| | - Xinyang Sun
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing 210023, China; (G.S.); (H.T.); (C.C.); (X.S.); (Y.F.)
| | - Yuling Zhou
- Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Hainan Institute for Food Control, Haikou 570314, China
| | - Yong Fang
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing 210023, China; (G.S.); (H.T.); (C.C.); (X.S.); (Y.F.)
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2
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Istenič D, Prosenc F, Zupanc N, Turel M, Holobar A, Milačič R, Marković S, Mihelič R. Composting of recovered rock wool from hydroponics for the production of soil amendment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:29280-29293. [PMID: 38570433 PMCID: PMC11058614 DOI: 10.1007/s11356-024-33041-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 03/19/2024] [Indexed: 04/05/2024]
Abstract
Due to its fibrous structure and high water holding capacity, rock mineral wool (RMW) has boosted the development of hydroponics. Consequently, the amount of waste RMW has also increased tremendously, which has stimulated the research and development of RMW reuse options. In this study, composting and degradability of RMW from hydroponics (gRMW) were tested in combination with different ratios of biowaste compost, including physical and chemical properties of the starting and final materials, and potential ecological hazards of the final product. gRMW had high water holding capacity and low organic matter content, which was easily degradable. Limits of toxic elements according to EU regulation were not exceeded. Degraded gRMW mixtures with compost did not exhibit toxicity to plants or aquatic bacteria and showed intermediate or limited habitat function for earthworms, which preferred the sole gRMW not mixed with compost. Overall, degraded gRMW exhibited parameters of safe soil amendment.
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Affiliation(s)
- Darja Istenič
- Faculty of Health Sciences, University of Ljubljana, Zdravstvena pot 5, Ljubljana, Slovenia.
- Faculty of Civil and Geodetic Engineering, University of Ljubljana, Jamova cesta 2, Ljubljana, Slovenia.
| | - Franja Prosenc
- Faculty of Health Sciences, University of Ljubljana, Zdravstvena pot 5, Ljubljana, Slovenia
- BioResource Systems Research Group, School of Civil Engineering, University of Leeds, Leeds, LS2 9JT, UK
| | - Neva Zupanc
- Knauf Insulation d.o.o, Trata 32, Škofja Loka, Slovenia
| | - Matejka Turel
- ECHO Instruments d.o.o, Zeče 25, Slovenske Konjice, Slovenia
| | - Andrej Holobar
- ECHO Instruments d.o.o, Zeče 25, Slovenske Konjice, Slovenia
| | - Radmila Milačič
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova cesta 39, Ljubljana, Slovenia
| | - Stefan Marković
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova cesta 39, Ljubljana, Slovenia
| | - Rok Mihelič
- Department of Agronomy, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, Ljubljana, Slovenia
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3
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Rahman Z, Thomas L, Chetri SPK, Bodhankar S, Kumar V, Naidu R. A comprehensive review on chromium (Cr) contamination and Cr(VI)-resistant extremophiles in diverse extreme environments. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:59163-59193. [PMID: 37046169 DOI: 10.1007/s11356-023-26624-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 03/20/2023] [Indexed: 05/10/2023]
Abstract
Chromium (Cr) compounds are usually toxins and exist abundantly in two different forms, Cr(VI) and Cr(III), in nature. Their contamination in any environment is a major problem. Many extreme environments including cold climate, warm climate, acidic environment, basic/alkaline environment, hypersaline environment, radiation, drought, high pressure, and anaerobic conditions have accumulated elevated Cr contamination. These harsh physicochemical conditions associated with Cr(VI) contamination damage biological systems in various ways. However, several unique microorganisms belonging to phylogenetically distant taxa (bacteria, fungi, and microalgae) owing to different and very distinct physiological characteristics can withstand extremities of Cr(VI) in different physicochemical environments. These challenging situations offer great potential and extended proficiencies in extremophiles for environmental and biotechnological applications. On these issues, the present review draws attention to Cr(VI) contamination from diverse extreme environmental regions. The study gives a detailed account on the ecology and biogeography of Cr(VI)-resistant microorganisms in inhospitable environments, and their use for detoxifying Cr(VI) and other applications. The study also focuses on physiological, multi-omics, and genetic engineering approaches of Cr(VI)-resistant extremophiles.
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Affiliation(s)
- Zeeshanur Rahman
- Department of Botany, Zakir Husain Delhi College, University of Delhi, Delhi, India.
| | - Lebin Thomas
- Department of Botany, Hansraj College, University of Delhi, Delhi, India
| | - Siva P K Chetri
- Department of Botany, Dimoria College, Gauhati University, Guwahati, Assam, India
| | - Shrey Bodhankar
- Department of Agriculture Microbiology, School of Agriculture Sciences, Anurag University, Hyderabad, Telangana, India
| | - Vikas Kumar
- Department of Botany, University of Lucknow, Lucknow, Uttar Pradesh, India
| | - Ravi Naidu
- Global Centre for Environmental Remediation, University of Newcastle, Newcastle, Australia
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4
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Calvillo Solís JJ, Galicia García M, González Bravo FJ, Ortiz‐Ledón CA. Electrografting a
p
‐Propylaniline/L–Cys Nanofilm onto a Glassy Carbon Electrode Resulting in Enhanced Electrosensing of Cd(II), Pb(II) and Hg(II). ChemistrySelect 2022. [DOI: 10.1002/slct.202203592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Affiliation(s)
- Jonathan J. Calvillo Solís
- Department of Chemistry-Biological Sciences Universidad Autónoma de Ciudad Juárez 32300 Ciudad Juárez Chihuahua México
| | - Mónica Galicia García
- Department of Chemistry-Biological Sciences Universidad Autónoma de Ciudad Juárez 32300 Ciudad Juárez Chihuahua México
| | - Felipe J. González Bravo
- Department of Chemistry Centro de Investigación y de Estudios Avanzados del IPN 07360 México City México
| | - César A. Ortiz‐Ledón
- Department of Chemistry University of Wisconsin-Madison Madison Wisconsin 53706 United States
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5
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Cao QL, Fu L, Cui GH. Two dual functional 3D Cd-based coordination polymers for the highly luminescent sensitive detection of Fe3+ and norfloxacin. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123330] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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6
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Bej S, Ghosh M, Das R, Banerjee P. Evaluation of nanomaterials-grafted enzymes for application in contaminants degradation: Need of the hour with proposed IoT synchronized nanosensor fit sustainable clean water technology in en masse. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2022.100429] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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7
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Lu K, Gao M, Sun B, Wang M, Wang S, Wang X. Simultaneous removal of Cr and organic matters via coupling Cr-Fenton-like reaction with Cr flocculation: The key role of Cr flocs on coupling effect. CHEMOSPHERE 2022; 287:131991. [PMID: 34461336 DOI: 10.1016/j.chemosphere.2021.131991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 07/17/2021] [Accepted: 08/22/2021] [Indexed: 06/13/2023]
Abstract
Cr contamination is frequently combined with organic pollution. Cr flocculation using flocculants results in difficulty in Cr recovery and increase of salinity. Moreover, the fates of coexisted organic pollutants are rarely attended. In this study, the Fenton-like reaction based on Cr redox reaction (Cr-Fenton-like reaction) coupled with Cr flocculation was established using H2O2 as additives, which gave the opportunity to realize simultaneous removal of Cr and organic matters sustainably. In the coupling system, Cr-Fenton-like reaction generated more OH- for Cr flocculation via the H2O2 decomposition, meanwhile, Cr flocculation provided heterogeneous catalytic regions for Cr-Fenton-like reaction. The formation of Cr flocs was the key to the coupling effect. They created partially alkaline regions, therefore Cr-Fenton-like reaction (reaction condition: pH > 5) and Cr flocculation (reaction condition: pH > 8) occurred in these heterogeneous regions, although the pH of the solutions was below 5. Besides, the Cr flocs in the coupling system tended to adsorb Cr(III) which also contributed to the coupling effect. Although Cr-Fenton-like reaction generated Cr(VI) inevitably, the dissolved Cr(VI) didn't accumulate due to the persistent acidic condition and the heterogeneous catalysis of Cr flocs in the coupling system. When the coupling effect was applied to a stimulated tannery wastewater with Cr and organic co-pollution, the simultaneous removal rates for Cr and total organic carbon were 81.2% and 41.34% respectively after an 8-h running. This study gives deep insights into the coupling effect and provides a sustainable and eco-friendly strategy for the remediation of wastewater with Cr and organic co-pollution.
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Affiliation(s)
- Kaiqi Lu
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266200, China
| | - Mingming Gao
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266200, China.
| | - Bo Sun
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266200, China
| | - Mei Wang
- The Key Laboratory of Plant Development and Environment Adaptation Biology, Ministry of Education, School of Life Science, Shandong University, Qingdao, 266237, PR China
| | - Shuguang Wang
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266200, China
| | - Xinhua Wang
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266200, China.
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8
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Korany MA, Mahmoud RK. A new approach for determination of water soluble hexavalent chromium in real cement and industrial water samples using Ni-Fe layered double hydroxides/urea/glycerol nanocomposite based potentiometric sensor. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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9
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Ramírez-Quesada MM, Venegas-Padilla J, Sibaja-Brenes JP, Calderón-Jiménez B. New advances in the method validation, extraction methods and measurement uncertainty for the determination of water-soluble hexavalent chromium in hydraulic cement. Talanta 2021; 232:122286. [PMID: 34074381 DOI: 10.1016/j.talanta.2021.122286] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 03/02/2021] [Accepted: 03/03/2021] [Indexed: 01/28/2023]
Abstract
The quantification of Cr (VI) in the cement matrix is highly important, given the possibility of suffering illnesses including dermatitis, induced nasal carcinoma, and DNA damage produced by inhalation of and/or direct contact with this substance by construction workers. This study presents an analytical validation of the determination of water-soluble Cr (VI) using Ultraviolet-Visible Spectroscopy (UV-Vis) with 1.5-diphenylcarbazide. To do so, different performance characteristics were determined: working interval, analytical sensitivity, linearity, limits of detection (LOD) and quantification (LOQ), as well as measurement uncertainty, in order to provide better metrological information about the performance of this method. The study also focused on evaluating the impact of use of different types of standard sands (ASTM C-778 and CEN) for preparing mortar cement and extracting water soluble Cr (VI) present in the cement. For this purpose, two cements with different concentrations (2.01 ± 0.21 and 0.75 ± 0.09 mg-kg-1) of Cr (IV) were created to evaluate extraction using three types of treatments: oxidized with potassium peroxidisulfite, non-oxidized, and an alternative method using cement paste. It was observed that mortar cement using ASTM C-778 sand tends to underestimate Cr (IV) content when concentrations are below 0.8 mg kg-1, while at higher concentrations of ~2.0 mg kg-1 it does not generate different results compared to those obtained using mortar cement made with CEN-standard sand. An alternative method called "paste extraction" also showed statistically comparable results with respect to standard mortar for both concentration levels evaluated. Finally, samples of cement marketed in Costa Rica were analyzed using different types of water soluble Cr (IV) extraction methods. The results show concentrations between 0.70 ± 0.13 mg kg-1 and 1.30 ± 0.13 mg kg-1, demonstrating that they comply with the limits established by international standards and national regulations in Costa Rica.
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Affiliation(s)
| | - Jimmy Venegas-Padilla
- Chemical Metrology Division, National Metrology Laboratory of Costa Rica (LCM), San José, Costa Rica.
| | - José Pablo Sibaja-Brenes
- Laboratory of Atmospheric Chemistry (LAQAT-UNA), School of Chemistry, Universidad Nacional de Costa Rica, Costa Rica
| | - Bryan Calderón-Jiménez
- Chemical Metrology Division, National Metrology Laboratory of Costa Rica (LCM), San José, Costa Rica.
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10
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Magnetism-assisted in-tube solid phase microextraction for the on-line chromium speciation in environmental water and soil samples. Microchem J 2021. [DOI: 10.1016/j.microc.2021.105956] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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11
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Long Z, Zhang G, Du H, Zhu J, Li J. Preparation and application of BiOBr-Bi 2S 3 heterojunctions for efficient photocatalytic removal of Cr(VI). JOURNAL OF HAZARDOUS MATERIALS 2021; 407:124394. [PMID: 33199146 DOI: 10.1016/j.jhazmat.2020.124394] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 10/21/2020] [Accepted: 10/25/2020] [Indexed: 06/11/2023]
Abstract
Recently, the photocatalytic reduction of Cr(VI) has been extensively studied. Herein, we successfully prepared the BiOBr-Bi2S3 heterojunctions with high photocatalytic Cr(VI) reduction performance using an ion exchange method. The optimal BiOBr-Bi2S3 heterojunction (prepared with BiOBr, pH of 6.0, 2 mmol Na2S2O3·5H2O,) achieved 100% removal of Cr(VI) within 12 min. The performance of photo-reduced Cr(VI) was about 28.9 and 184.6 times higher than that of pure Bi2S3 and BiOBr, respectively. Besides, BiOBr-Bi2S3 heterojunctions had a good adsorption efficiency for Cr(III), suggesting that they could be applied as bifunctional photocatalyst. The formation process and photoelectric properties of the BiOBr-Bi2S3 heterojunctions were revealed by a series of characterizations. In conclusion, this work reported the synergistic effect of adsorption and photocatalysis of the BiOBr-Bi2S3 heterojunctions for Cr removal for the first time, suggesting that the BiOBr-Bi2S3 heterojunctions could act as a novel photocatalytic adsorbent to treat the Cr(VI)-containing wastewater.
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Affiliation(s)
- Zeqing Long
- School of Environment & Natural Resources, Renmin University of China, Beijing 100872, China.
| | - Guangming Zhang
- School of Environment & Natural Resources, Renmin University of China, Beijing 100872, China; School of Energy & Environmental Engineering, Hebei University of Technology, Tianjin 300130, China.
| | - Hongbiao Du
- School of Environment & Natural Resources, Renmin University of China, Beijing 100872, China.
| | - Jia Zhu
- School of Construction and Environment Engineering, Shenzhen Polytechnic, Shenzhen 518055, China.
| | - Jinwei Li
- School of Construction and Environment Engineering, Shenzhen Polytechnic, Shenzhen 518055, China.
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12
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Arellano-Sánchez MG, Devouge-Boyer C, Hubert-Roux M, Afonso C, Mignot M. Chromium Determination in Leather and Other Matrices: A Review. Crit Rev Anal Chem 2021; 52:1537-1556. [PMID: 33678081 DOI: 10.1080/10408347.2021.1890545] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Leather industry plays an essential role in the world's economy; however, it also has a negative environmental impact due to the generation of significant quantities of wastes, some of which are classified as hazardous chemicals. Chrome tanning, the most popular tanning process, employs chromium salts, acids, and some other chemicals. Some dyes can be also a source of chromium. As a result, hexavalent chromium, a known carcinogenic and mutagenic, can be found in leather products and cause allergic dermatitis or trigger other diseases. For this reason, it is important to quantify the total amount of chromium in final leather goods, as well as the oxidation state in which this element is found. This paper aims to summarize chromium contamination due to the leather production processes, and to review the analytical methods that have been used to determine chromium's most abundant species: Cr(III) and Cr(VI) in leather and other matrices (foodstuffs, cosmetic products, environmental, and pharmaceutical samples). The international and European regulations are presented as well as the last academic developments to extract and quantify chromium species. The future outlook of pretreatment and quantification techniques are also discussed in this work, with a special focus on chromium interconversions.
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Affiliation(s)
| | | | - Marie Hubert-Roux
- Normandie University, UNIROUEN, COBRA, UMR CNRS 6014, IRCOF, Mont-Saint-Aignan Cedex, France
| | - Carlos Afonso
- Normandie University, UNIROUEN, COBRA, UMR CNRS 6014, IRCOF, Mont-Saint-Aignan Cedex, France
| | - Mélanie Mignot
- Normandie University, UNIROUEN, COBRA UMR CNRS 6014, INSA, Saint-Étienne-du-Rouvray, France
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13
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Li Z, Li C, Yan H. A highly sensitive and selective on-off fluorescent sensor based on a complex of polySchiff-Fe 2+ for Cr(vi) detection in an aqueous medium. RSC Adv 2021; 11:8963-8969. [PMID: 35423395 PMCID: PMC8695327 DOI: 10.1039/d0ra07458f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Accepted: 02/14/2021] [Indexed: 12/20/2022] Open
Abstract
Designing exceptional probes to detect minute quantities of chromium(vi) is of huge importance for the safety and health of the human race. In this study, a green fluorescence emission probe (polyethylene Schiff base-chelated Fe2+ complex) was synthesized by a one-pot synthesis method for the highly selective and sensitive detection of Cr(vi) in an aqueous solution. The complex of polyethylene Schiff-Fe2+ was fully characterized, and it displayed satisfactory stability in the aqueous solution. The fluorescence emission could be quenched specifically by the introduction of Cr(vi) via the oxidation of the Fe2+-centered polyethylene Schiff base complex. The fluorescence intensity decreases linearly with the concentration of Cr(vi), and the corresponding detection limit was calculated to be 0.18 μM. Thus, the obtained fluorescence detection system could be used for Cr(vi) detection in tap water. These features provide potential uses of the as-prepared polyethylene Schiff-Fe2+ complex as a sensor for environmental applications.
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Affiliation(s)
- Zhiying Li
- Department of Chemistry, Xinzhou Teachers University Xinzhou 034000 China
| | - Congshu Li
- Department of Chemistry, Xinzhou Teachers University Xinzhou 034000 China
| | - Huiyun Yan
- Department of Chemistry, Xinzhou Teachers University Xinzhou 034000 China
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14
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Wen Q, Pan C, Qin X, Ma Q, Feng S. One-pot synthesis of novel water-dispersible fluorescent silicon nanoparticles for selective Cr 2O 72- sensing. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:390-398. [PMID: 33406173 DOI: 10.1039/d0ay01977a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Chromium (Cr(vi)), a highly toxic metal-oxyanion which is carcinogenic and mutagenic to humans, is a severe environmental pollutant. Developing simple methods for sensitive and selective detection of Cr(vi) is of great significance. In this work, fluorescent silicon nanoparticles (SiNPs) with good water solubility were facilely synthesized via a one-step hydrothermal method by using (3-aminopropyl)triethoxysilane (APTES) as the silicon source and natural antioxidant quercetin as the reducing agent. The obtained SiNPs displayed good thermostability, salt-tolerance and photo-stability. The as-prepared SiNPs exhibited bright blue emission at 437 nm under excitation at 362 nm, allowing them to be developed as a fluorescent probe for detection of Cr2O72-. Significantly, the fluorescence of the SiNPs could be remarkably quenched by Cr2O72-via the internal filtering effect (IFE). Based on this phenomenon, a novel fluorescence method for detection of Cr2O72- was established. A good linear relationship was obtained from 0.5 to 100 μM with a limit of detection (based on 3 s/k, LOD) of 180 nM. The proposed fluorescence method was successfully applied to the detection of Cr2O72- in tap water. Moreover, a fluorescent filter paper sensor was developed for the visual detection of Cr2O72-, providing a valuable platform for Cr2O72- sensing in a convenient way.
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Affiliation(s)
- Qiaoqiao Wen
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China.
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15
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Saraiva M, Chekri R, Leufroy A, Guérin T, Sloth JJ, Jitaru P. Development and validation of a single run method based on species specific isotope dilution and HPLC-ICP-MS for simultaneous species interconversion correction and speciation analysis of Cr(III)/Cr(VI) in meat and dairy products. Talanta 2021; 222:121538. [DOI: 10.1016/j.talanta.2020.121538] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 08/07/2020] [Accepted: 08/08/2020] [Indexed: 10/23/2022]
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16
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Mohamed AA, Ismail EM, Ali S. A highly sensitive colorimetric assessment of hexavalent chromium using a digital camera. ENVIRONMENTAL MONITORING AND ASSESSMENT 2020; 192:657. [PMID: 32968831 DOI: 10.1007/s10661-020-08615-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 09/16/2020] [Indexed: 06/11/2023]
Abstract
Simple, low-cost, and sensitive methods for the assessment of hexavalent chromium as an important environmental pollutant are highly desirable, especially under resource-limited settings. Therefore, herein we propose an original approach for the simple, low-cost, selective, and extremely sensitive assessment of Cr(VI) utilizing its catalysis of the micellar sensitized o-dianisidine (DA)-hydrogen peroxide reaction. The initial rate of the amended reaction is monitored by tracing the oxidation product, either by a digital camera video recording or spectrophotometrically at 440 nm, for 120 s from mixing the reactants. The optimized reaction conditions were 5 mmol L-1 DA, 0.6 mol L-1 H2O2, 2.0 v/v% Tween 20, and 10 mmol L-1 chloroacetate buffer (pH 4.5 ± 0.1), at 30 °C. The linear calibration graph extends to 90.0 ng mL-1 Cr(VI) with detection limits (3Sb) of 0.8 and 1.0 ng mL-1, for the video recording and spectrophotometric procedures, respectively. The amended method was successfully applied to the assessment of Cr(IV) in natural and polluted industrial wastewaters. The analytical data were in excellent statistical harmony with those of the standard ETAAS method. The proposed method is two orders of magnitude more sensitive than the diphenylcarbazide standard spectrophotometric method.Graphical abstract.
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Affiliation(s)
- Ashraf A Mohamed
- Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, Cairo, 11566, Egypt.
| | - Ethar M Ismail
- Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, Cairo, 11566, Egypt
| | - Samah Ali
- Chemistry Department, Faculty of Science, Taibah University, Al-Madinah, Saudi Arabia
- The National Organization for Drug Control and Research, Al-Agouzah, Giza, Egypt
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17
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Ebrahim S, Shokry A, Khalil MMA, Ibrahim H, Soliman M. Polyaniline/Ag nanoparticles/graphene oxide nanocomposite fluorescent sensor for recognition of chromium (VI) ions. Sci Rep 2020; 10:13617. [PMID: 32788693 PMCID: PMC7423961 DOI: 10.1038/s41598-020-70678-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 08/03/2020] [Indexed: 11/26/2022] Open
Abstract
Selective determination of toxic hexavalent chromium (Cr(VI)) is a stringent important due to its huge negative impact on the health and environment. Recently, the high sensitivity, rapidness, and cost-effectiveness of the fluorescent sensors for Cr(VI) have been developed. A fluorescent nanocomposite (NC) has been synthesized based on doped polyaniline (PANI), 2-acrylamido-2-methylpropanesulfonic acid (AMPSA) capped Ag nanoparticles (NPs) and graphene oxide (GO) quantum dots (QDs) via in situ reaction for highly selective sensing of Cr(VI) ions based on the luminescent quenching in the range from 0.01 to 7.5 mg/L. This NC showed an emission peak at 348 nm with a linear range from 0.01 to 0.05 mg/L and the low limit of detection (LOD) was 0.0065 mg/L (~ 6 µg/L). PANI/Ag (AMPSA) GO QDs NC displayed high selectivity for Cr(VI) over other common metal ions. Notably, the PANI/Ag (AMPSA) GO QDs NC can be used for distinguishing Cr(VI) and Cr(III) in solutions. The sensitive determination of Cr(VI) in real surface water samples was also confirmed and demonstrated recoveries in the range 95.3-99.2%. This NC will emerge as a new class of fluorescence materials that could be suitable for practical applications.
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Affiliation(s)
- Shaker Ebrahim
- Department of Materials Science, Institute of Graduate Studies and Research, Alexandria University, P.O. Box 832, Alexandria, Egypt
| | - Azza Shokry
- Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, P.O. Box 832, Alexandria, Egypt.
| | - M M A Khalil
- Department of Nanotechnology and Composite Materials, Institute of New Materials and Advanced Technology, City of Scientific Research and Technological Applications (SRTA- City), New Borg El Arab City, P.O. Box 21934, Alexandria, Egypt
| | - Hesham Ibrahim
- Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, P.O. Box 832, Alexandria, Egypt
| | - Moataz Soliman
- Department of Materials Science, Institute of Graduate Studies and Research, Alexandria University, P.O. Box 832, Alexandria, Egypt
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18
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Amini R, Rahimpour E, Jouyban A. An optical sensing platform based on hexacyanoferrate intercalated layered double hydroxide nanozyme for determination of chromium in water. Anal Chim Acta 2020; 1117:9-17. [PMID: 32408958 DOI: 10.1016/j.aca.2020.04.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 03/31/2020] [Accepted: 04/01/2020] [Indexed: 11/27/2022]
Abstract
In this work, hexacyanoferrate intercalated Ni/Al LDH (Ni/Al-Fe(CN)6 LDH) nanozyme was synthesized by one-pot co-precipitation method and used for determination of chromium in water samples by employing its peroxidase mimicking activity. The synthesized nanozyme can effectively catalyze the oxidation of fluorometric peroxidase substrate terephthalic acid by H2O2 to produce a highly fluorescent product. It was found that Cr(VI) promotes the peroxidase-like activity of Ni/Al-Fe(CN)6 LDH and this effect was intensified by increasing the Cr(VI) concentration. Several variables affecting the fluorescence intensity including the concentration of nanoparticles and reagents as well as reaction time were investigated and optimized. Under the optimal conditions, good linearity was observed in the range of 0.067-10 μM Cr(VI), and limit of detection and quantification were found to be 0.039 and 0.131 μM, respectively. Furthermore, the developed method showed good applicability for the determination of total Cr based on the oxidation of Cr (III) to Cr (VI). The applicability of the proposed method was demonstrated by analyzing various environmental water samples. The presented nanozyme displayed superior benefits in terms of reusability, repeatability, cost and environment-friendly features. The present work aims to expand LDHs based enzyme mimics to optical sensor fields.
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Affiliation(s)
- Roghayeh Amini
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elaheh Rahimpour
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran; Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Abolghasem Jouyban
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran; Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
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19
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Guo H, Wu N, Xue R, Liu H, Wang M, Yao W, Wang X, Yang W. An Eu(III)-functionalized Sr-based metal-organic framework for fluorometric determination of Cr(III) and Cr(VI) ions. Mikrochim Acta 2020; 187:374. [PMID: 32506282 DOI: 10.1007/s00604-020-04292-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 04/22/2020] [Indexed: 02/02/2023]
Abstract
An Eu(III)-functionalized strontium-organic framework (Eu3+@Sr-MOF) was synthesized by encapsulating Eu3+ ions into the pores of Sr-MOF via postsynthetic modification (PSM) and fully characterized by XRD, SEM, EDS, FTIR, and TGA. The luminescent properties of Eu3+@Sr-MOF were measured and investigated in detail, which demonstrated that Eu3+@Sr-MOF not only possessed excellent water and chemical stabilities in a wide pH range (5-10) but also displayed red luminescence with excitation/emission maxima at 332/617 nm. The Eu3+@Sr-MOF can be considered as a highly selective and sensitive recyclable luminescence probe for sensing Cr(III) and Cr(VI) based on strong luminescence quenching effects; it can be recycled at least five times. The luminescence probe for Cr3+, CrO42-, and Cr2O72- shows low detection limits (0.15 μM, 0.17 μM, and 0.13 μM, respectively), relatively broad linear ranges (0.6-150 μM, 0.1-200 μM and 0.4-180 μM, respectively), and high quenching constants KSV. The signals can be observed by the naked eye under UV light of 365 nm. The method was applied to the determination of total Cr in environmental water samples. Graphical abstract.
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Affiliation(s)
- Hao Guo
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, People's Republic of China.
| | - Ning Wu
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, People's Republic of China
| | - Rui Xue
- College of Chemistry and Chemical Engineering, Provincial Key Laboratory of Gansu Higher Education for City Environmental Pollution Control, Lanzhou City University, Lanzhou, 730070, People's Republic of China
| | - Hui Liu
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, People's Republic of China
| | - Mingyue Wang
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, People's Republic of China
| | - Wenqin Yao
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, People's Republic of China
| | - Xiaoqiong Wang
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, People's Republic of China
| | - Wu Yang
- Key Lab of Eco-Environments Related Polymer Materials of MOE; Key Lab of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, People's Republic of China
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20
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Milačič R, Ščančar J. Cr speciation in foodstuffs, biological and environmental samples: Methodological approaches and analytical challenges – A critical review. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115888] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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21
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Sanchayanukun P, Muncharoen S. Chitosan coated magnetite nanoparticle as a working electrode for determination of Cr(VI) using square wave adsorptive cathodic stripping voltammetry. Talanta 2020; 217:121027. [PMID: 32498824 DOI: 10.1016/j.talanta.2020.121027] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 04/08/2020] [Accepted: 04/09/2020] [Indexed: 12/23/2022]
Abstract
The application of chitosan coated magnetite nanoparticle modified carbon paste electrode as a working electrode (chitosan@Fe3O4/CPE) for Cr(VI) analysis is presented. The electrochemical detection mode of square wave adsorptive cathodic stripping voltammetry (SWAdCSV) was selected for determination of Cr(VI) due to the high sensitivity and selectivity. The optimal conditions for electrode preparation and the electrode behavior including parameters affecting the SWAdCSV signal were investigated. Two linear ranges of Cr(VI) determination were observed 0.01-0.3 μg L-1 and 0.5-30 μg L-1 with limits of detection of 0.0061 and 0.078 μg L-1, respectively. The precision of the electrode output in terms of %RSD was 11.4% (n = 30). The method was successfully applied to determine Cr(VI) in drinking water and sea water samples with recovery percentages in range 87-110%. Moreover, the results obtained agree with a paired t-test at the 95% confidence level which were comparable to the standard UV-visible spectrophotometric method.
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Affiliation(s)
- Phetlada Sanchayanukun
- Department of Chemistry, Faculty of Science, Burapha University, Chonburi, 20130, Thailand
| | - Sasithorn Muncharoen
- Department of Chemistry, Faculty of Science, Burapha University, Chonburi, 20130, Thailand.
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22
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Kumar D, Arora P, Singh H, Rajput JK. Polyhydroquinoline nanoaggregates: A dual fluorescent probe for detection of 2,4,6-trinitrophenol and chromium (VI). SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 230:118087. [PMID: 31986428 DOI: 10.1016/j.saa.2020.118087] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 01/07/2020] [Accepted: 01/20/2020] [Indexed: 06/10/2023]
Abstract
Fluorescent polyhydroquinoline (PHQ) derivative was fabricated utilizing one-pot engineered course. The PHQ derivative indicated aggregation induced emission enhancement (AIEE) with arrangement of nanoaggregates of size 11-13 nm in 95% watery DMF medium. The fluorescence emission of PHQ nanoaggregates was extinguished by including TNP and Cr (VI). They indicated prevalent fluorescence quenching towards both TNP and Cr (VI) over other meddling nitro-compounds and metal particles. In light of results got we presumed that both photo-induced fluorescence quenching of PHQ nanoaggregates by TNP, while Inner Filter Effect (IFE) was in charge of fluorescence quenching of PHQ nanoaggregates by Cr (VI). The PHQ nanoaggregates empowered identification of TNP and Cr (VI) down to 0.66 μM (TNP) and 0.28 μM (Cr (VI)). The use of PHQ nanoaggregates were reached out for location of TNP and Cr (VI) in genuine water tests.
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Affiliation(s)
- Deepak Kumar
- Department of Chemistry, Dr. B R Ambedkar National Institute of Technology, Jalandhar 144011, Punjab, India
| | - Priya Arora
- Department of Chemistry, Dr. B R Ambedkar National Institute of Technology, Jalandhar 144011, Punjab, India
| | | | - Jaspreet Kaur Rajput
- Department of Chemistry, Dr. B R Ambedkar National Institute of Technology, Jalandhar 144011, Punjab, India.
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23
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Luo B, Yang H, Zhou B, Ahmed SM, Zhang Y, Liu H, Liu X, He Y, Xia S. Facile Synthesis of Luffa Sponge Activated Carbon Fiber Based Carbon Quantum Dots with Green Fluorescence and Their Application in Cr(VI) Determination. ACS OMEGA 2020; 5:5540-5547. [PMID: 32201847 PMCID: PMC7081637 DOI: 10.1021/acsomega.0c00195] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 02/24/2020] [Indexed: 06/08/2023]
Abstract
Carbon quantum dots (CQDs) were prepared by a chemical oxidation method using luffa sponge based activated carbon fiber as the raw material. The obtained CQDs were well characterized. The fluorescence quenching effect of Cr(VI) ion on CQDs was investigated. The results show that the addition of Cr(VI) changes the intensity of the ultraviolet characteristic absorption peak of CQDs, and causes static quenching of the fluorescence of CQDs. With the increase in the Cr(VI) concentration, the fluorescence of CQDs was gradually extinguished linearly.
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Affiliation(s)
- Binhua Luo
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Hang Yang
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Boxun Zhou
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Sanjrani Manzoor Ahmed
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Yi Zhang
- Dongfeng Motor Corporation, Equipment Company, Shiyan 442000, China
| | - Huamin Liu
- Sinopec Jianghan Oilfield, Chongqing Fulin District, Chongqing 400000, China
| | - Xiaowen Liu
- Sinopec Jianghan Oilfield, Chongqing Fulin District, Chongqing 400000, China
| | - Yong He
- Sinopec Jianghan Oilfield, Chongqing Fulin District, Chongqing 400000, China
| | - Shibin Xia
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
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24
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A water-stable luminescent Co(II) coordination polymer as probe for efficient detection of Cr(VI)-anions (Cr2O72– and CrO42–) in aqueous solution. INORG CHEM COMMUN 2020. [DOI: 10.1016/j.inoche.2019.107665] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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25
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Smartphone-based three-channel ratiometric fluorescent device and application in filed analysis of Hg2+, Fe3+ and Cu2+ in water samples. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104423] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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26
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Chromium speciation by isophthalic acid-doped polymer dots as sensitive and selective fluorescent probes. Talanta 2019; 209:120521. [PMID: 31892071 DOI: 10.1016/j.talanta.2019.120521] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 10/25/2019] [Accepted: 10/27/2019] [Indexed: 11/23/2022]
Abstract
Hexavalent chromium is a known carcinogen, among all species of chromium ions, for the respiratory tract in humans. In the present work, a new facile probe is developed for rapid and sensitive determination of Cr(VI) based on utilizing highly fluorescent conjugated poly[(9,9-dioctylfluorenyl-2,7-diyl)-alt-co-(1,4-benzo-(2,1',3) thiadiazole)] (PFBT) polymer dots (PDs). The PDs are easily functionalized by doping of isophthalic acid (IPA) into the target PDs during a single step preparation. The prepared PDs with an average diameter of 30 nm illustrated a strong fluorescence with an emission peak centered at 530 nm (photo-excited at 480 nm). The strong fluorescence of PDs is selectively and significantly quench with Cr(VI), while it does not change by Cr(III) ion and, thus, can facilitate a chromium speciation process. The proposed mechanism is an inner filter effect (IFE) mechanism, in which the absorption bands of Cr(IV) overlaps with the emission and excitation bands of the modified PDs. The prepared PDs revealed a good linear relationship from 0.1 to 1000 μmol L-1 for Cr(VI) with a detection limit of 0.03 μmol L-1, which further used to track the Cr distribution in water samples. Finally, the IPA-doped PDs with excellent optical properties, biocompatibility, and high quantum yield showed promising potential in tracking Cr species and specifying of different Cr ions inside the human cells, which opening a new door toward getting a better insight into the cell function and metabolism in the presence of heavy metal ions, and especially chromium ions.
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27
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Adsorptive stripping voltammetry determination of hexavalent chromium by a pyridine functionalized gold nanoparticles/three-dimensional graphene electrode. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104022] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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28
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Zuliani T, Vidmar J, Drinčić A, Ščančar J, Horvat M, Nečemer M, Piria M, Simonović P, Paunović M, Milačič R. Potentially toxic elements in muscle tissue of different fish species from the Sava River and risk assessment for consumers. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 650:958-969. [PMID: 30308870 DOI: 10.1016/j.scitotenv.2018.09.083] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 09/06/2018] [Accepted: 09/06/2018] [Indexed: 06/08/2023]
Abstract
Fish from the Sava River are consumed daily by the local people: therefore, concern has been raised about the health implications of eating contaminated fish. In the present study, potentially toxic elements (PTE), such as Zn, Cu, Cr, Ni, Cd, Pb, As, Hg, and methylmercury (MeHg), were determined in ichthyofauna that are commonly consumed. PTE were determined in the fish muscle tissue. Fish were sampled at 12 locations from the source of the Sava River to its confluence with the Danube River during two sampling campaigns, namely; in 2014 under high water conditions and in 2015 under normal water conditions. Due to the different water regimes, different fish species were collected for chemical analysis. We observed that the concentrations of elements analysed in the fish muscle tissue were generally very low, except for those of Hg. Moreover, more than 90% of Hg present in the fish was in its most toxic form, namely MeHg. Especially in fish from the 2015 sampling campaign, Hg and MeHg concentrations increased with fish size, trophic level, and in the downstream direction. In addition, for Pb and As, and to some extent for Cd and Cr, spatial differences were detected in both years. The highest concentrations of PTE were detected in fish from sites with intensive industrial and agricultural activities. The consumption of fish in general does not pose a health risk for the PTE studied, except for Hg/MeHg at selected contaminated sites.
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Affiliation(s)
- Tea Zuliani
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, Ljubljana, Slovenia; Jožef Stefan Postgraduate School, Jamova 39, Ljubljana, Slovenia.
| | - Janja Vidmar
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, Ljubljana, Slovenia
| | - Ana Drinčić
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, Ljubljana, Slovenia; Jožef Stefan Postgraduate School, Jamova 39, Ljubljana, Slovenia
| | - Janez Ščančar
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, Ljubljana, Slovenia; Jožef Stefan Postgraduate School, Jamova 39, Ljubljana, Slovenia
| | - Milena Horvat
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, Ljubljana, Slovenia; Jožef Stefan Postgraduate School, Jamova 39, Ljubljana, Slovenia
| | - Marijan Nečemer
- Department of Low and Medium Energy Physics, Jožef Stefan Institute, Jamova 39, Ljubljana, Slovenia
| | - Marina Piria
- Department of Fisheries, beekeeping and Special Zoology, Faculty of Agriculture, University of Zagreb, Svetošimunska 25, Zagreb, Croatia
| | - Predrag Simonović
- Faculty of Biology, University of Belgrade, Studentski trg 16, Belgrade, Serbia; Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, Belgrade, Serbia
| | - Momir Paunović
- Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, Belgrade, Serbia
| | - Radmila Milačič
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, Ljubljana, Slovenia; Jožef Stefan Postgraduate School, Jamova 39, Ljubljana, Slovenia
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