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Numan A, Gill AAS, Rafique S, Guduri M, Zhan Y, Maddiboyina B, Li L, Singh S, Nguyen Dang N. Rationally engineered nanosensors: A novel strategy for the detection of heavy metal ions in the environment. JOURNAL OF HAZARDOUS MATERIALS 2021; 409:124493. [PMID: 33229259 DOI: 10.1016/j.jhazmat.2020.124493] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/30/2020] [Accepted: 11/03/2020] [Indexed: 06/11/2023]
Abstract
Heavy metal ions (HMIs) have been mainly originated from natural and anthropogenic agents. It has become one of biggest societal issues due to their recognised accumulative and toxic effects in the environment as well as biological media. Key measures are required to reduce the risks posed by toxic metal pollutants existing in the environment. The increased research activities of HMIs detection, and use of technologies based on electrochemical detection that combine with engineered nanomaterials, is a key promising and innovative strategy that can potentially confine heavy metal poisoning. Deep understanding of the characteristics of the physicochemical properties of nanomaterials is highly required. It is also important to interpret the parameters at the nano-bio interface level that merely affect cross-interactions between nanomaterials and HMIs. Therefore, the authors outlined the state-of-the-art techniques that used engineeringly developed nanomaterials to detect HMIs in the environment. The possible novel applications of extensive and relatively low-cost HMIs monitoring and detection are discussed on the basis of these strengths. Finally, it is concluded by providing gist on acquaintance with facts in the present-day scenario along with highlighting areas to explore the strategies to overcome the current limitations for practical applications is useful in further generations of nano-world.
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Affiliation(s)
- Arshid Numan
- State Key Laboratory of ASIC and System, SIST, Fudan University, 200433 Shanghai, China
| | - Atal A S Gill
- Department of Pharmaceutical Chemistry, College of Health Sciences, University of KwaZulu Natal, Durban X54000, South Africa
| | - Saqib Rafique
- Multidisciplinary Nanotechnology Centre, College of Engineering, Swansea University, Swansea SA1 8EN, United Kingdom
| | - Manisha Guduri
- Department of Electronics and Communication Engineering, Institute of Aeronautical Engineering, Hyderabad, Telangana 500043, India
| | - Yiqiang Zhan
- State Key Laboratory of ASIC and System, SIST, Fudan University, 200433 Shanghai, China
| | - Balaji Maddiboyina
- Department of Pharmacy, Vishwabharathi College of Pharmaceutical Sciences, Guntur, Andhra Pradesh 522009, India
| | - Lijie Li
- Multidisciplinary Nanotechnology Centre, College of Engineering, Swansea University, Swansea SA1 8EN, United Kingdom
| | - Sima Singh
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Viet Nam; The Faculty of Pharmacy, Duy Tan University, Da Nang 550000, Viet Nam.
| | - Nam Nguyen Dang
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Viet Nam; The Faculty of Pharmacy, Duy Tan University, Da Nang 550000, Viet Nam.
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Abstract
Structures, electron spectroscopy and theoretical (DFT and TD DFT) analyses of two complexes of Eu(ii) with phosphonate and phosphinate ligands based on cyclen ring are presented.
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3
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A review of the identification and detection of heavy metal ions in the environment by voltammetry. Talanta 2018; 178:324-338. [DOI: 10.1016/j.talanta.2017.08.033] [Citation(s) in RCA: 268] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 07/31/2017] [Accepted: 08/09/2017] [Indexed: 12/24/2022]
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Fang B, Liang Y, Wu T, Chang L, Zhou Q, Chen F. Determination of ethylenediaminetetraacetic acid base on the reversion of fluorescence quenching of 2-pyridinecarbaldehyde-p-phenyldihydrazone by ferric iron. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 116:440-445. [PMID: 23973591 DOI: 10.1016/j.saa.2013.07.078] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Revised: 07/06/2013] [Accepted: 07/22/2013] [Indexed: 06/02/2023]
Abstract
A fast and sensitive fluorometric method for determination of an emerging pollutant, ethylenediaminetetraacetic acid (EDTA), was proposed based on the reversion of fluorescence quenching of 2-pyridinecarbaldehyde-p-phenyldihydrazone by ferric iron. It was found that Fe(3+) could selectively quench the fluorescence of 2PC-PPH, while EDTA could recover it due to its strong coordination ability with Fe(3+). Based on this, we established an "Off and On" fluorescence method for determination of EDTA. Under the optimum conditions, the linear range and detection limit (3S/N) for EDTA determination were 2.0 × 10(-6)~1.4 × 10(-5) mol L(-1) and 1.5 × 10(-7) mol L(-1), respectively. The relative standard deviation for the determination of 7.0 × 10(-6)mol L(-1) EDTA was 3.7% (n=11). The method was successfully applied to determination of EDTA in tap water, lake water and investigating degradation of EDTA by TiO2/UV process.
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Affiliation(s)
- Biyun Fang
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
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5
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Wang J, Yu J, Kong XZ, Hou L. Spectrophotometric determination of EDTA in aqueous solution through ferroin formation using sodium sulfite as the reducer. CHEMOSPHERE 2013; 91:351-357. [PMID: 23266411 DOI: 10.1016/j.chemosphere.2012.11.060] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Revised: 11/22/2012] [Accepted: 11/26/2012] [Indexed: 06/01/2023]
Abstract
This paper presents a simple, easy and reliable method for determination of EDTA (ethylenediaminetetraacetic acid) in aqueous system. Using EDTA chelating with ferric irons, an excessive amount of Fe(3+) was added to EDTA solution, and Fe(3+) in excess was reduced by addition of a Na2SO3 solution, the outcome ferrous ions were then reacted with 1,10-phenanthroline monohydrate (PTM) to form ferroin, a color developing reagent. The absorbance of the ferroin was determined using spectrophotometry, from which EDTA concentration was obtained. The method was tested for interferences and applied to determination of trace amount EDTA in its degradation by ozone oxidation, and the result compared with those from high-performance liquid chromatography. It was revealed that a low limit of 1.4μM for EDTA concentration detection was achieved with a high correlation coefficient of 0.999 combined with a low relative standard deviation of 0.6%. In contrast to all reported processes, where ferric ions in excess have to be separated from those chelated with EDTA prior to their reduction followed by interaction with PTM and spectrophotometric determination, the key merit of the present method is that EDTA concentration is determined without need of ferric separation, rendering the present process very easy. The method is also characterized by low cost, high precision and high reproducibility at the same time.
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Affiliation(s)
- Jingang Wang
- College of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
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6
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Mansour FR, Shafi MA, Danielson ND. Flow injection determination of carboxylate, phosphate, and sulfhydryl compounds using metal exchange complexation. Talanta 2012; 95:12-7. [PMID: 22748549 DOI: 10.1016/j.talanta.2012.03.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2011] [Revised: 03/02/2012] [Accepted: 03/06/2012] [Indexed: 10/28/2022]
Abstract
The determination of carboxylate, phosphorous, and sulfhydryl compounds has been studied using flow injection by measuring the decrease in absorbance of the Fe(III)-salicylate complex due to preferential ligand interaction with ferric ion. Targeted compounds include polycarboxylates such as sodium citrate, sodium oxalate, and EDTA, anionic phosphorous compounds such as sodium monofluoroorthophosphate, sodium trimetaphosphate, and sodium hexametaphosphate, and sulfhydryl compounds such as cysteine, glutathione, and captopril. Initial flow injection optimization has focused on citrate based on its ability to replace salicylate ion in the Fe(III)-salicylate complex causing a decrease in absorbance at 525 nm proportional to the citrate concentration. Two flow injection analysis methods are developed. In the first method, offline reaction flow injection, sodium citrate dissolved in 100 μmol L(-1) Fe-salicylate is injected in a carrier solution of 100 μmol L(-1) Fe-salicylate. The decrease in peak area is linear over a range of 1.36-109 μmol L(-1) using a flow rate of 1 mL min(-1) and an injection volume of 100 μL. The effect of pH on the Fe-salicylate complex absorbance is studied from 1 to 3.5; pH 3 shows both a high and stable complex absorbance in the visible range which provided important potential selectivity over UV detection. The limit of detection is found to be less than 57 nmol L(-1) depending on the Fe(III)-salicylate concentration used. The second method is reverse flow injection using the sample as a flowing stream in which 3 mmol L(-1) Fe(III)-salicylate is injected and the decrease in the response with increased sample concentration was monitored. The commercially available pharmaceutical product (Citroma)(®) is used to assess the accuracy and precision of the two proposed methods as compared to a reference method.
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Affiliation(s)
- Fotouh R Mansour
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH 45056, USA
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Choi HS. Spectrofluorimetric determination of EDTA with Cu(II)-tiron chelate. ANALYTICAL SCIENCE AND TECHNOLOGY 2011. [DOI: 10.5806/ast.2011.24.3.231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Yang J, Hu X, Zhang J. Voltammetric monitoring photodegradation of EDTA based on carbon nanotubes-modified electrode. JOURNAL OF HAZARDOUS MATERIALS 2010; 181:742-746. [PMID: 20542373 DOI: 10.1016/j.jhazmat.2010.05.075] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2009] [Revised: 05/04/2010] [Accepted: 05/17/2010] [Indexed: 05/29/2023]
Abstract
This work described a fast and sensitive voltammetric method developed for monitoring the photodegradation of ethylenediaminetetraacetic acid (EDTA). Due to the unique properties of carbon nanotubes (CNTs) such as negative charges, large surface area and excellent electron transfer ability, metal ion namely Fe(3+) showed a pair of well-defined redox response peaks on the CNTs-modified electrode. When EDTA was present in the solution, the voltammetric response of Fe(3+) was suppressed due to the chelating interaction between Fe(3+) and EDTA. In acetate buffer solution, the concentration of EDTA was found to be inversely proportional to the decreased cathodic peak current in the range of 1.0x10(-6) to 1.0x10(-4) mol/L with a detection limit (3S/N) of 6.5x10(-7) mol/L. While EDTA was degraded by UV irradiation, the voltammetric response on the CNTs-modified electrode was enhanced due to the reduced amount of EDTA species chelating with Fe(3+). Accordingly, the concentration variation of EDTA during the photodegradation was analyzed. The effects of H(2)O(2) and pH on the photodegradation of EDTA were investigated. Thus, the proposed CNTs-based voltammetry provided a useful analytical tool for studying the degradation of EDTA.
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Affiliation(s)
- Juan Yang
- College of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, PR China
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9
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Chemiluminescent determination of EDTA and related compounds using tris(2,2′-bipyridyl)ruthenium(III) photogenerated on-line. Anal Bioanal Chem 2008; 391:1451-7. [DOI: 10.1007/s00216-008-1857-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2007] [Revised: 12/18/2007] [Accepted: 01/09/2008] [Indexed: 10/22/2022]
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10
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Zarouila YT, Valencia Mirón MDC, Capitán-Vallvey LF. Disposable chemiluminometric sensor for rapid determination of EDTA. Mikrochim Acta 2006. [DOI: 10.1007/s00604-006-0632-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lin MF, Royal M, Hayenga K, Conn G. Monitoring EDTA process residuals in recombinant protein manufacturing using liquid chromatography. J Chromatogr B Analyt Technol Biomed Life Sci 2003; 792:205-15. [PMID: 12860028 DOI: 10.1016/s1570-0232(03)00260-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We have developed a chromatographic method for the high sensitivity quantitation of EDTA process residuals in recombinant protein manufacturing validation studies. The reversed-phase HPLC method is based upon the detection of Cu(2+)/EDTA complexes at 254 nm, and has been qualified for use on intermediates from a purification process for a recombinant protein expressed in E. coli. Quantitation of EDTA in recombinant protein process intermediates is linear in the range of 0.2 to 64 microM with LOD/LOQ values below 2.0 microM. The assay is suitable for use in process backgrounds containing Tris, HEPES, MES, NaCl, hexanediol, NH(4)SO(4), and PEG. EDTA spike recovery values in all process samples tested were greater than 90% at the 4.0 microM concentration. System suitability parameters for the chromatographic method were developed based upon peak area and retention time precision, column efficiency and USP tailing. Peak area precision and intermediate precision values across the linear range of the assay exhibited C.V. values less than 15% at any concentration tested in all sample backgrounds. The assay robustness was tested by transfer of the assay to a second laboratory and analyst with use of multiple process intermediate lots, reagent/column lots, and HPLC systems.
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Affiliation(s)
- Miao-Fang Lin
- Department of Purification Process Development, Diosynth-RTP, 3000 Weston Parkway, Cary, NC 27513, USA
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Belal F, Al-Malaq HA, Al-Majed AA. Voltammetric determination of isoxsuprine and fenoterol in dosage forms and biological fluids through nitrosation. J Pharm Biomed Anal 2000; 23:1005-15. [PMID: 11095302 DOI: 10.1016/s0731-7085(00)00373-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
A simple and highly sensitive voltammetric method was developed for the determination of isoxsuprine HCl (I) and fenoterol HBr (II) in dosage forms and biological fluids. The method is based on treatment of the two compounds with nitrous acid followed by measuring the cathodic current produced by the resulting nitroso derivatives. The voltammetric behavior was studied adopting Direct Current (DCt), Differential Pulse (DPP) and Alternating Current (ACt) polarography. Both compounds produced well-defined, diffusion-controlled cathodic waves over the whole pH range in Britton-Robinson buffers (BRb). At pH 11 and pH 9, the values of diffusion-current constants (Id), were 9.4 +/- 0.3 and 7.7 +/- 0.4 for I and II, respectively. The current-concentration plots for I were rectilinear over the range of 0.6-12 microg/ml and 0.1-12 microg/ml in the DCt and DPP modes, respectively. As for II, the range was 1-20 microg/ml and 0.1-20 microg/ml in the DCt and DPP modes, respectively. The minimum detectability (S/N = 2) were 0.02 microg/ml (approximately 6 x 10(-8) M) and 0.01 microg/ml (approximately 2.6 x 10(-8) M) for I and II, respectively, adopting the DPP mode. The proposed method was applied to the determination of both compounds in dosage forms and the results obtained were in good agreement with those obtained using reference methods. The proposed method was further applied to the determination of isoxsuprine in spiked human urine and plasma. The percentage recoveries adopting the DPP mode were 98.84 +/- 1.18 and 99.26 +/- 0.97, respectively.
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Affiliation(s)
- F Belal
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.
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Affiliation(s)
- R K Gilpin
- College of Science and Mathematics, Wright State University, Dayton, Ohio 45435, USA
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14
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Determination of ethylenediaminetetraacetic acid (EDTA) in pharmaceutical dosage forms using flame atomic absorption spectroscopy. ACTA ACUST UNITED AC 1998. [DOI: 10.1016/s0014-827x(98)00026-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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