1
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Sharma P, Ganguly M, Sahu M. Photocatalytic degradation of methyl blue dye with H 2O 2 sensing. RSC Adv 2024; 14:14606-14615. [PMID: 38708118 PMCID: PMC11066736 DOI: 10.1039/d4ra01354a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 04/26/2024] [Indexed: 05/07/2024] Open
Abstract
A condensation polymer (urea-formaldehyde resin) passivated ZnO nanoparticles were used as an efficient photocatalyst for methyl blue degradation in the presence of H2O2 involving a Fenton-like reaction. The formation of OH˙ radicals were attributed to the pivotal factor for the degradation process. The method was easy and recyclable. The dose of photocatalyst, initial dye concentration, pH variation, variations of the composition of the photocatalyst, and the effect of scavengers were gauged. The degraded product was highly fluorescent and fluorometric detection of H2O2 was achieved along with a colorimetric recognition pathway. No other dye could be degraded under similar experimental conditions, implying the novel utility of methyl blue for environmental remediation.
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Affiliation(s)
- Priyanka Sharma
- Department of Chemistry, Manipal University Jaipur Jaipur-Ajmer Express Highway, Dehmi Kalan Jaipur Rajasthan 303007 India
| | - Mainak Ganguly
- Department of Chemistry, Manipal University Jaipur Jaipur-Ajmer Express Highway, Dehmi Kalan Jaipur Rajasthan 303007 India
| | - Mamta Sahu
- Department of Chemistry, Manipal University Jaipur Jaipur-Ajmer Express Highway, Dehmi Kalan Jaipur Rajasthan 303007 India
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2
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A simple spectrophotometric determination of hydrogen peroxide solution via spectral delta from redox reaction with sodium hypochlorite. ANAL SCI 2023; 39:149-152. [PMID: 36346536 DOI: 10.1007/s44211-022-00210-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 10/27/2022] [Indexed: 11/10/2022]
Abstract
Hydrogen peroxide (H2O2) is widely used in the synthesis of organic chemicals, bleaching of paper pulp, and the treatment of wastewater and as a food additive, important mediator of redox processes in natural water, and a disinfectant. However, H2O2 stock solution is unstable and slowly decomposes when exposed to, for example, light, elevated temperatures, or metal compounds. Therefore, the ability to measure the exact concentration of H2O2 stock solution is important for its proper use in diverse applications. This work proposes a simple method for the spectrophotometric determination of H2O2 solution via chemical reaction with sodium hypochlorite that is inexpensive and easy to acquire. The proposed method is based on the stoichiometric spectral change of hypochlorite ion at 292.5 nm following a redox reaction with a sample solution of H2O2. Due to high relationship between the spectral delta value and the applied H2O2 concentration (0.00188-0.03000%), H2O2 stock solution can be easily quantified.
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3
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Tomassetti M, Pezzilli R, Prestopino G, Di Natale C, Medaglia PG. Novel Electrochemical Sensors Based on L-Proline Assisted LDH for H 2O 2 Determination in Healthy and Diabetic Urine. SENSORS (BASEL, SWITZERLAND) 2022; 22:s22197159. [PMID: 36236266 PMCID: PMC9572033 DOI: 10.3390/s22197159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/12/2022] [Accepted: 09/17/2022] [Indexed: 05/28/2023]
Abstract
In this paper, a novel non-enzymatic modified glassy carbon (GC) sensor, of the (GC-Agpaste)-catalytic proline-assisted LDH type, for H2O2 determination was fabricated, studied, characterized and employed to determine the hydrogen peroxide content in healthy and diabetic human urine. LDH (whose composition can be schematized as [ZnIIAlIII (OH)2]+ NO3-·nH2O) is glued to glassy carbon by means of silver paste, while proline, which increases the catalytic properties of LDH, is used free in solution in the phosphate buffer. A voltametric survey was first conducted to ascertain the positive effect induced by the presence of proline, i.e., the increase of sensor sensitivity. Then a deep study of the new three-electrode amperometric proline-assisted LDH sensor, whose working electrode was of the same type as the one used to perform the cyclic voltammetry, was carried out, working at first in static air, then in a nitrogen atmosphere. Possible interferences from various substances, both oxidants and antioxidants, were also investigated. Lastly, the new amperometric sensor was successfully used to determine the H2O2 level in human urine from both healthy and diabetic subjects. The effect of proline in enhancing the properties of the sensor system was also investigated. The limit of detection (LOD) of the new catalytic sensor was of the order of 0.15 mmol L-1, working in air, and of 0.05 µmol L-1, working in nitrogen atmosphere.
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Affiliation(s)
- Mauro Tomassetti
- Department of Electronic Engineering, University of Rome ‘‘Tor Vergata’’, Viale del Politecnico 1, 00133 Rome, Italy
- Department of Chemistry, University of Rome “La Sapienza”, P.le A. Moro 5, 00185 Rome, Italy
| | - Riccardo Pezzilli
- Department of Industrial Engineering, University of Rome ‘‘Tor Vergata’’, Viale del Politecnico 1, 00133 Rome, Italy
| | - Giuseppe Prestopino
- Department of Industrial Engineering, University of Rome ‘‘Tor Vergata’’, Viale del Politecnico 1, 00133 Rome, Italy
| | - Corrado Di Natale
- Department of Electronic Engineering, University of Rome ‘‘Tor Vergata’’, Viale del Politecnico 1, 00133 Rome, Italy
| | - Pier Gianni Medaglia
- Department of Industrial Engineering, University of Rome ‘‘Tor Vergata’’, Viale del Politecnico 1, 00133 Rome, Italy
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4
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Saeed AA, Abbas MN, El-Hawary WF, Issa YM, Singh B. A Core–Shell Au@TiO2 and Multi-Walled Carbon Nanotube-Based Sensor for the Electroanalytical Determination of H2O2 in Human Blood Serum and Saliva. BIOSENSORS 2022; 12:bios12100778. [PMID: 36290916 PMCID: PMC9599508 DOI: 10.3390/bios12100778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/14/2022] [Accepted: 09/15/2022] [Indexed: 11/25/2022]
Abstract
A hydrogen peroxide (H2O2) sensor was developed based on core–shell gold@titanium dioxide nanoparticles and multi-walled carbon nanotubes modified glassy carbon electrode (Au@TiO2/MWCNTs/GCE). Core–shell Au@TiO2 material was prepared and characterized using a scanning electron microscopy and energy dispersive X-ray analysis (SEM/EDX), transmission electron microscopy (TEM), atomic force microscopy (AFM), Raman spectroscopy, X-ray diffraction (XRD) and Zeta-potential analyzer. The proposed sensor (Au@TiO2/MWCNTs/GCE) was investigated electrochemically using cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The analytical performance of the sensor was evaluated towards H2O2 using differential pulse voltammetry (DPV). The proposed sensor exhibited excellent stability and sensitivity with a linear concentration range from 5 to 200 µM (R2 = 0.9973) and 200 to 6000 µM (R2 = 0.9994), and a limit of detection (LOD) of 1.4 µM achieved under physiological pH conditions. The practicality of the proposed sensor was further tested by measuring H2O2 in human serum and saliva samples. The observed response and recovery results demonstrate its potential for real-world H2O2 monitoring. Additionally, the proposed sensor and detection strategy can offer potential prospects in electrochemical sensors development, indicative oxidative stress monitoring, clinical diagnostics, general cancer biomarker measurements, paper bleaching, etc.
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Affiliation(s)
- Ayman Ali Saeed
- Applied Organic Chemistry Department, Chemical Industries Research Institute, National Research Centre (NRC), Dokki, Giza 12622, Egypt
| | - Mohammed Nooredeen Abbas
- Applied Organic Chemistry Department, Chemical Industries Research Institute, National Research Centre (NRC), Dokki, Giza 12622, Egypt
| | | | | | - Baljit Singh
- MiCRA Biodiagnostics Technology Gateway & Centre of Applied Science for Health, Technological University Dublin (TU Dublin), D24 FKT9 Dublin 24, Ireland
- Correspondence: ; Tel.: +353-12-207-863
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5
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Li H, Zhao H, Wang Z, Zhou F, Lan M. Facilely proposed PtCu-rGO bimetallic nanocomposites modified carbon fibers microelectrodes for detecting hydrogen peroxide released from living cells. Microchem J 2022. [DOI: 10.1016/j.microc.2021.106972] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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6
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Yavuz T, Pelİt L. Sensitive determination of hydrogen peroxide in real water samples by high spin peroxo complex. Turk J Chem 2021; 44:435-447. [PMID: 33488168 PMCID: PMC7671219 DOI: 10.3906/kim-1909-10] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 02/06/2020] [Indexed: 11/10/2022] Open
Abstract
In this paper, a fast, cheap, simple, sensitive and selective spectrophotometric method based on high spin peroxo-Fe(III)-EDTA complex in the alkaline medium was developed for the determination of hydrogen peroxide (H2O2) in real water samples. The purple-coloured complex with a maximum absorbance at a wavelength of 525 nm was formed. Various parameters such as type of stabilizer reagent and its concentration, reaction time, Fe(III), EDTA and NH3 concentration were optimized. The method was confirmed with the Beer’s law with a molar absorption coefficient of 267.36 L mol-1 cm-1 in the 8.3 ×10-6 –4.08 ×10-3 mol/L concentration range. Sandell’s sensitivity of the proposed method was also calculated as 0.188 μg/cm2 . LOD and LOQ were determined as 2.5 ×10-6 and 8.3 ×10-6 mol/L, respectively. Intraday and interday relative standard deviation of the proposed method for 2.0 ×10-4 mol / L of H2O2 were found as 1.5% and 6.1%, respectively. The developed method is suitable for fast monitoring of H2O2 in different types of aqueous water samples without any sample preparation steps and acceptable recovery values between 90% and 118% were obtained. In the sample analysis, H2O2 removed solutions from the real water samples were used for blank correction in their analysis and this process provides more reliable and accurate results in real sample analysis.
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Affiliation(s)
- Tuğba Yavuz
- Department of Chemistry, Faculty of Science, Ege University, Bornova, İzmir Turkey
| | - Levent Pelİt
- Department of Chemistry, Faculty of Science, Ege University, Bornova, İzmir Turkey
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Electrochemical Detection of H2O2 Released from Prostate Cancer Cells Using Pt Nanoparticle-Decorated rGO–CNT Nanocomposite-Modified Screen-Printed Carbon Electrodes. CHEMOSENSORS 2020. [DOI: 10.3390/chemosensors8030063] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In this study, we fabricated platinum nanoparticles (PtNP)-decorated, porous reduced graphene oxide (rGO)–carbon nanotube (CNT) nanocomposites on a PtNP-deposited screen-printed carbon electrode (PtNP/rGO–CNT/PtNP/SPCE) for detection of hydrogen peroxide (H2O2), which is released from prostate cancer cells LNCaP. The PtNP/rGO–CNT/PtNP/SPCE was fabricated by a simple electrochemical deposition and co-reduction method. In addition, the amperometric response of the PtNP/rGO–CNT/PtNP/SPCE electrode was evaluated through consecutive additions of H2O2 at an applied potential of 0.2 V (vs. Ag pseudo-reference electrode). As a result, the prepared PtNP/rGO–CNT/PtNP/SPCE showed good electrocatalytic activity toward H2O2 compared to bare SPCE, rGO–CNT/SPCE, PtNP/SPCE, and rGO–CNT/PtNP/SPCE. In addition, the PtNP/rGO–CNT/PtNP/SPCE electrode exhibited a sensitivity of 206 μA mM−1·cm−2 to H2O2 in a linear range of 25 to 1000 μM (R2 = 0.99). Moreover, the PtNP/rGO–CNT/PtNP/SPCE electrode was less sensitive to common interfering substances, such as ascorbic acid, uric acid, and glucose than H2O2. Finally, real-time monitoring of H2O2 released from LNCaP cells was successfully performed by this electrode. Therefore, we expect that the PtNP/rGO–CNT/PtNP/SPCE can be utilized as a promising electrochemical sensor for practical nonenzymatic detection of H2O2 in live cells or clinical analysis.
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8
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Khachornsakkul K, Dungchai W. Development of an ultrasound-enhanced smartphone colorimetric biosensor for ultrasensitive hydrogen peroxide detection and its applications. RSC Adv 2020; 10:24463-24471. [PMID: 35516182 PMCID: PMC9055123 DOI: 10.1039/d0ra03792c] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 06/11/2020] [Indexed: 11/21/2022] Open
Abstract
In this work, we developed the first ultrasound technique enhanced smartphone application for highly sensitive determination of hydrogen peroxide (H2O2). The measurement technique is based on the change in color intensity due to the transformation of tetramethylbenzidine (TMB) to oxidized tetramethylbenzidine (oxTMB) by the oxidation process with hydroxyl radical (OH˙) from the oxidation etching of silver nanoparticles (AgNPs) and its ultrasound usability. The oxTMB product occurs without peroxidase and can be detected with a saturation channel using HSV methodology via the application of a smartphone. To prove the peroxidase mimic property, our proposed method was also validated by determination of certain biomolecules, including glucose, uric acid, acetylcholine and total cholesterol, of which the known amounts are a valuable diagnostic tool. The proposed method provided the lowest limits of detection (LOD) of 2.0, 5.0, 12.50, 7.50, and 10.0 nmol L−1 for H2O2, glucose, uric acid, acetylcholine, and cholesterol, respectively, when compared with LODs obtained from other smartphone colorimetric methods. Reproducibility was calculated from the detection of H2O2 at 25.0 and 50.0 nmol L−1 with the highest standard deviations of 3.47 and 4.58%, respectively. Additionally, the determination of all analytes in human urine samples indicated recoveries in the range of 96–104% with the highest relative standard deviation of 3.98%, offering high accuracy and precision. Our research shows the novel compatibility of basic technology and chemical methodology with green chemistry principles by reducing a high-power process and organic solvent as well as exhibiting good colorimetric performance and effective sensitivity and selectivity. Thus, our developed method can be applied for point-of-care medical diagnosis. In this work, we developed the first ultrasound technique enhanced smartphone application for highly sensitive determination of hydrogen peroxide (H2O2).![]()
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Affiliation(s)
- Kawin Khachornsakkul
- Department of Chemistry
- Faculty of Science
- King Mongkut's University of Technology Thonburi
- Bangkok
- Thailand
| | - Wijitar Dungchai
- Department of Chemistry
- Faculty of Science
- King Mongkut's University of Technology Thonburi
- Bangkok
- Thailand
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9
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Wang D, Qiu S, Wang M, Pan S, Ma H, Zou J. Spectrophotometric determination of hydrogen peroxide in water by oxidative decolorization of azo dyes using Fenton system. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 221:117138. [PMID: 31158762 DOI: 10.1016/j.saa.2019.117138] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 05/13/2019] [Accepted: 05/15/2019] [Indexed: 06/09/2023]
Abstract
In this study, based on the oxidative decolorization of three azo dyes (Orange G (OG), Acid Orange 7 (AO7) and Reactive Black 5 (RB5)) with hydroxyl radicals generated in Fenton system, we have successfully established three types of azo dyes spectrophotometric methods for measuring aqueous hydrogen peroxide (H2O2) concentration. The decolorization extent of OG, AO7 and RB5 at the corresponding characteristic wavelengths of 478 nm, 484 nm and 597 nm are proportion to the concentration of H2O2 in aqueous solutions. Under the selected reaction conditions, three well linear correlations between the depletion of azo dyes and the H2O2 concentration are established in the range of 0.45-175 μmol L-1 of OG, 0.36-120 μmol L-1 of AO7 and 0.44-175 μmol L-1 of RB5, respectively. These proposed spectrophotometric methods are enough accurate to measure low concentrations of H2O2 in practical water samples and monitor the variations of H2O2 concentration during the phenol degradation in the Cu(II)/HCO3-/H2O2 process.
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Affiliation(s)
- Daiyao Wang
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Shiyi Qiu
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Mengyun Wang
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Siwen Pan
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Hongfang Ma
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Jing Zou
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China.
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10
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Wang M, Wang D, Qiu S, Xiao J, Cai H, Zou J. Multi-wavelength spectrophotometric determination of hydrogen peroxide in water by oxidative coloration of ABTS via Fenton reaction. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:27063-27072. [PMID: 31313234 DOI: 10.1007/s11356-019-05884-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 07/01/2019] [Indexed: 06/10/2023]
Abstract
In this study, a sensitive and low-cost multi-wavelength spectrophotometric method for the determination of hydrogen peroxide (H2O2) in water was established. The method was based on the oxidative coloration of 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonate) (ABTS) via Fenton reaction, which resulted in the formation of green radical (ABTS•+) with absorbance at four different wavelengths (i.e., 415 nm, 650 nm, 732 nm, and 820 nm). Under the optimized conditions (CABTS = 2.0 mM, CFe2+ = 1.0 mM, pH = 2.60 ± 0.02, and reaction time (t) = 1 min), the absorbance of the generated ABTS•+ at 415 nm, 650 nm, 732 nm, and 820 nm were well linear with H2O2 concentrations in the range of 0-40 μM (R2 > 0.999) and the sensitivities of the proposed Fenton-ABTS method were calculated as 4.19 × 104 M-1 cm-1,1.73 × 104 M-1 cm-1, 2.18 × 104 M-1 cm-1, and 1.96 × 104 M-1 cm-1, respectively. Meanwhile, the detection limits of the Fenton-ABTS method at 415 nm, 650 nm, 732 nm, and 820 nm were respectively calculated to be 0.18 μM, 0.12 μM, 0.10 μM, and 0.11 μM. The absorbance of the generated ABTS•+ in ultrapure water, underground water, and reservoir water was quite stable within 30 min. Moreover, the proposed Fenton-ABTS method could be used for monitoring the variations of H2O2 concentration during the oxidative decolorization of RhB in alkali-activated H2O2 system.
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Affiliation(s)
- Mengyun Wang
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, 361021, People's Republic of China
| | - Daiyao Wang
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, 361021, People's Republic of China
| | - Shiyi Qiu
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, 361021, People's Republic of China
| | - Junyang Xiao
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, 361021, People's Republic of China
| | - Huahua Cai
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, People's Republic of China
| | - Jing Zou
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, 361021, People's Republic of China.
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11
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Sputtering enhanced peroxidase like activity of a dendritic nanochip for amperometric determination of hydrogen peroxide in blood samples. Mikrochim Acta 2019; 186:658. [DOI: 10.1007/s00604-019-3773-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 08/16/2019] [Indexed: 02/04/2023]
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12
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Zou J, Cai H, Wang D, Xiao J, Zhou Z, Yuan B. Spectrophotometric determination of trace hydrogen peroxide via the oxidative coloration of DPD using a Fenton system. CHEMOSPHERE 2019; 224:646-652. [PMID: 30849625 DOI: 10.1016/j.chemosphere.2019.03.005] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 02/23/2019] [Accepted: 03/02/2019] [Indexed: 06/09/2023]
Abstract
A low-cost and environmentally-friendly spectrophotometric method for hydrogen peroxide (H2O2) determination based on the oxidative coloration reaction of N,N'-diethyl-p-phenylenediamine (DPD) via the Fenton reactions in aqueous water was established. The generated pink radical cation (DPD+) showed maximum absorption at 551 nm. Importantly, under the optimal conditions (pH 3.0, 20 mM DPD, 1.5 mM Fe(II) and reaction time of 45 s), the increase in absorbance at 551 nm for DPD+ generation was linear with respect to the addition of H2O2 (0-12 μM). The sensitivity and the detection limit of the proposed Fenton-DPD method for H2O2 determination at 551 nm were (2.55 ± 0.01) × 104 M-1 cm-1 and 0.05 μM, respectively. The stoichiometric factor for the reaction of H2O2 with DPD was 1:1.18. The absorbance of the generated DPD+ was found to be stable in different types of water within 20 min. Moreover, the proposed Fenton-DPD method could be used for the analysis of the trace H2O2 in rainwater and determine the rate constants that involved H2O2 with high accuracy.
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Affiliation(s)
- Jing Zou
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Huahua Cai
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China; State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, PR China
| | - Daiyao Wang
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Junyang Xiao
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Zhenming Zhou
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Baoling Yuan
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China.
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Abdelwahab AA, Abdel‐Hakim M, Abdelmottaleb M, Elshahawy AS. Palladium Nanoclusters Uniformly Enveloped Electrochemically Activated Graphene for Highly Sensitive Hydrogen Peroxide Sensor. ELECTROANAL 2019. [DOI: 10.1002/elan.201900119] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Adel A. Abdelwahab
- Chemistry Department, Faculty of Science and ArtsJouf University Qurayyat 75911 Saudi Arabia E-mail: aabdelwahab
- Chemistry Department, Faculty of ScienceAl-Azhar University Assiut 71524 Egypt
| | - M. Abdel‐Hakim
- Chemistry Department, Faculty of ScienceAl-Azhar University Assiut 71524 Egypt
| | | | - Anwar S. Elshahawy
- Chemistry Department, Faculty of ScienceAssiut University Assiut 71524 Egypt
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14
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Shen R, Liu P, Zhang Y, Yu Z, Chen X, Zhou L, Nie B, Żaczek A, Chen J, Liu J. Sensitive Detection of Single-Cell Secreted H2O2 by Integrating a Microfluidic Droplet Sensor and Au Nanoclusters. Anal Chem 2018; 90:4478-4484. [DOI: 10.1021/acs.analchem.7b04798] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Rui Shen
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Peipei Liu
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Yiqiu Zhang
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Zhao Yu
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Xuyue Chen
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Lu Zhou
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Baoqing Nie
- School of Electronic and Information Engineering, Soochow University, Suzhou, Jiangsu 215123, China
| | - Anna Żaczek
- Medical Biotechnology Department, Intercollegiate Faculty of Biotechnology, University of Gdańsk and Medical University of Gdańsk, Dębinki 1, Gdańsk, 80-211, Poland
| | - Jian Chen
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
| | - Jian Liu
- Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, 199 Ren Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China
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15
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Cai H, Liu X, Zou J, Xiao J, Yuan B, Li F, Cheng Q. Multi-wavelength spectrophotometric determination of hydrogen peroxide in water with peroxidase-catalyzed oxidation of ABTS. CHEMOSPHERE 2018; 193:833-839. [PMID: 29874756 DOI: 10.1016/j.chemosphere.2017.11.091] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Revised: 11/04/2017] [Accepted: 11/18/2017] [Indexed: 06/08/2023]
Abstract
In this study, a new spectrophotometric method was proposed for the measurement of hydrogen peroxide (H2O2) in aqueous solutions. The method was based on the peroxidase (POD)-catalyzed reaction in which 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonate) (ABTS) was oxidized to form the stable green radical (ABTS+). The generated ABTS+ could be determined spectrophotometrically. The absorbance of the generated ABTS+ at 415 nm, 650 nm, 732 nm and 820 nm were linear with H2O2 concentrations in the range of 0-40 μM. The sensitivities of the proposed ABTS method for H2O2 determination at 415 nm, 650 nm, 732 nm and 820 nm were 6.29 × 104 M-1 cm-1, 2.00 × 104 M-1 cm-1, 2.54 × 104 M-1 cm-1 and 1.89 × 104 M-1 cm-1, respectively. The oxidation of ABTS to generate ABTS+ in POD-catalyzed H2O2 system at pH 6.0 was so fast that the determination time of the ABTS method was as short as 0.5 min. The stoichiometry of the reaction of H2O2 and ABTS in the presence of POD was calculated as nearly 1:2 (1:1.92). The residual absorbance of the generated ABTS+ was also found to be stable within 30 min in natural waters. Low H2O2 concentration in rainwater could be both measured by the ABTS method and the DPD method with high accuracy, however, H2O2 concentration in wastewater contained rhodamine B could only be accurately measured with the ABTS method at 732 nm. Moreover, waste solutions after H2O2 analysis with the proposed ABTS method were non-hazardous towards E. coli.
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Affiliation(s)
- Huahua Cai
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian, 361021, PR China
| | - Xin Liu
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian, 361021, PR China
| | - Jing Zou
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian, 361021, PR China.
| | - Junyang Xiao
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian, 361021, PR China
| | - Baoling Yuan
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian, 361021, PR China.
| | - Fei Li
- Institute of Municipal and Environmental Engineering, College of Civil Engineering, Huaqiao University, Xiamen, Fujian, 361021, PR China
| | - Qingfeng Cheng
- College of Resources and Environment, Chengdu University of Information Technology, Chengdu, Sichuan, 610225, PR China
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16
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Qi Z, Wang L, You Q, Chen Y. PA-Tb-Cu MOF as luminescent nanoenzyme for catalytic assay of hydrogen peroxide. Biosens Bioelectron 2017; 96:227-232. [DOI: 10.1016/j.bios.2017.05.013] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2017] [Revised: 04/30/2017] [Accepted: 05/05/2017] [Indexed: 11/16/2022]
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17
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Tharwat MM, Attia MS, Alghamdi MS, Mahros AM. Ultra-Sensitive Nano Optical Sensor Samarium-Doxycycline Doped in Sol Gel Matrix for Assessment of Glucose Oxidase Activity in Diabetics Disease. J Fluoresc 2017; 27:1885-1895. [PMID: 28698946 DOI: 10.1007/s10895-017-2127-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Accepted: 06/13/2017] [Indexed: 10/19/2022]
Abstract
A low cost and very sensitive method for the determination of the activity of glucose oxidase enzyme in different diabetics serum samples was developed. The method based on the assessment of the H2O2 concentration produced from the reaction of the glucose oxidase (GOx) enzyme with glucose as substrate in the serum of diabetics patients by nano optical sensor Sm-doxycycline doped in sol gel matrix. H2O2 enhances the luminescence intensity of all bands of the nano Sm-doxycycline complex [Sm-(DC)2]+ doped in sol-gel matrix, especially the 645 nm band at λex = 400 nm and pH 7.0 in water. The influence of the different analytical parameters that affect the luminescence intensity of the nano optical sensor, e.g. pH, H2O2 concentration and foreign ions concentrations were studied. The remarkable enhancement of the luminescence intensity of nano optical sensor [Sm-(DC)2]+ complex in water at 645 nm by the addition of various concentrations of H2O2 was successfully used as an optical sensor for the assessment of the activity of the glucose oxidase enzyme in different diabetics serum samples. The calibration plot was achieved over the activity range 0.1-240 U/L with a correlation coefficient of 0.999 and a detection limit of 0.05 U/L.
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Affiliation(s)
- Marwa M Tharwat
- Department of Electrical & Computer Engineering, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - M S Attia
- Chemistry Department, Faculty of Science, Ain Shams University, Abbssaia, Cairo, 11566, Egypt.
| | - M S Alghamdi
- Physics Department, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Amr M Mahros
- Physics Department, Faculty of Science, University of Jeddah, Jeddah, 21589, Saudi Arabia.,Department of Engineering Mathematics and Physics, Faculty of Engineering, Alexandria University, Alexandria, 21526, Egypt
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18
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Li F, Ma Z, Wang S, Li T, Sun C, Li Z, Men Z. Study of the transient "free" OH radical generated in H 2O-H 2O 2 mixtures by stimulated Raman scattering. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 175:246-249. [PMID: 28043068 DOI: 10.1016/j.saa.2016.12.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Revised: 12/16/2016] [Accepted: 12/18/2016] [Indexed: 06/06/2023]
Abstract
Forward and backward stimulated Raman scattering (SRS) were studied in the H2O2-H2O mixtures by a strong excitation laser with 532nm. Only the backward SRS (BSRS) of the H2O2-H2O system shows an unexpected SRS shoulder peak at around 3600cm-1, which is similar to the characteristic peak of "free" OH radical. The generation of the "free" OH radical is mainly attributed to the dissociation of hydrogen peroxide (HP) molecules. Simultaneously, the ionization of HP-water clusters generates a part of "free" OH radical under the Laser-induced breakdown (LIB). The interaction of water and HP is also discussed.
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Affiliation(s)
- Fangfang Li
- Coherent Light and Atomic and Molecular Spectroscopy Laboratory, College of Physics, Jilin University, Changchun 130012, China
| | - Zhiwei Ma
- Coherent Light and Atomic and Molecular Spectroscopy Laboratory, College of Physics, Jilin University, Changchun 130012, China
| | - Shenghan Wang
- Coherent Light and Atomic and Molecular Spectroscopy Laboratory, College of Physics, Jilin University, Changchun 130012, China
| | - Tianyu Li
- Coherent Light and Atomic and Molecular Spectroscopy Laboratory, College of Physics, Jilin University, Changchun 130012, China
| | - Chenglin Sun
- Coherent Light and Atomic and Molecular Spectroscopy Laboratory, College of Physics, Jilin University, Changchun 130012, China
| | - Zhanlong Li
- State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China.
| | - Zhiwei Men
- Coherent Light and Atomic and Molecular Spectroscopy Laboratory, College of Physics, Jilin University, Changchun 130012, China.
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19
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MnO2 nanorods grown NGNF nanocomposites for the application of highly sensitive and selective electrochemical detection of hydrogen peroxide. J IND ENG CHEM 2017. [DOI: 10.1016/j.jiec.2016.09.012] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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20
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Zanje SB, Kokare AN, Suryavanshi VJ, Waghmode DP, Joshi SS, Anuse MA. Development of a reliable analytical method for the precise extractive spectrophotometric determination of osmium(VIII) with 2-nitrobenzaldehydethiocarbohydrazone: Analysis of alloys and real sample. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2016; 169:223-229. [PMID: 27380306 DOI: 10.1016/j.saa.2016.06.051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Revised: 06/16/2016] [Accepted: 06/28/2016] [Indexed: 06/06/2023]
Abstract
The proposed method demonstrates that the osmium(VIII) forms complex with 2-NBATCH from 0.8molL(-1) HCl at room temperature. The complex formed was extracted in 10mL of chloroform with a 5min equilibration time. The absorbance of the red colored complex was measured at 440nm against the reagent blank. The Beer's law was obeyed in the range of 5-25μgmL(-1), the optimum concentration range was 10-20μgmL(-1) of osmium(VIII) as evaluated by Ringbom's plot. Molar absorptivity and Sandell's sensitivity of osmium(VIII)-2NBATCH complex in chloroform is 8.94×10(3)Lmol(-1)cm(-1) and 0.021μgcm(-2), respectively. The composition of osmium(VIII)-2NBATCH complex was 1:2 investigated from Job's method of continuous variation, Mole ratio method and slope ratio method. The interference of diverse ions was studied and masking agents were used wherever necessary. The present method was successfully applied for determination of osmium(VIII) from binary, ternary and synthetic mixtures corresponding to alloys and real samples. The validity of the method was confirmed by finding the relative standard deviation for five determinations which was 0.29%.
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Affiliation(s)
- Sunil B Zanje
- Analytical Chemistry Research Laboratory, Department of Chemistry, Shivaji University, Kolhapur 416004, India
| | - Arjun N Kokare
- Analytical Chemistry Research Laboratory, Department of Chemistry, Shivaji University, Kolhapur 416004, India
| | - Vishal J Suryavanshi
- Analytical Chemistry Research Laboratory, Department of Chemistry, Shivaji University, Kolhapur 416004, India
| | - Duryodhan P Waghmode
- Analytical Chemistry Research Laboratory, Department of Chemistry, Shivaji University, Kolhapur 416004, India
| | - Sunil S Joshi
- Department of Humanities and Basic Sciences, TKIET, Warananagar, Kolhapur, Maharashtra, India
| | - Mansing A Anuse
- Analytical Chemistry Research Laboratory, Department of Chemistry, Shivaji University, Kolhapur 416004, India.
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21
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Zhang S, Zheng J. Synthesis of single-crystal α-MnO2 nanotubes-loaded Ag@C core–shell matrix and their application for electrochemical sensing of nonenzymatic hydrogen peroxide. Talanta 2016; 159:231-237. [DOI: 10.1016/j.talanta.2016.06.014] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 05/30/2016] [Accepted: 06/05/2016] [Indexed: 12/12/2022]
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22
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Ensafi AA, Zandi-Atashbar N, Rezaei B, Ghiaci M, Taghizadeh M. Silver nanoparticles decorated carboxylate functionalized SiO2, New nanocomposites for non-enzymatic detection of glucose and hydrogen peroxide. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.08.047] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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23
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Zhang C, Zhang Y, Du X, Chen Y, Dong W, Han B, Chen Q. Facile fabrication of Pt-Ag bimetallic nanoparticles decorated reduced graphene oxide for highly sensitive non-enzymatic hydrogen peroxide sensing. Talanta 2016; 159:280-286. [DOI: 10.1016/j.talanta.2016.06.047] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2016] [Revised: 06/19/2016] [Accepted: 06/23/2016] [Indexed: 11/27/2022]
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24
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Novel design of non-enzymatic sensor for rapid monitoring of hydrogen peroxide in water matrix. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2016.01.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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25
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RAO DEJIANG, ZHANG JIAN, ZHENG JIANBIN. Synthesis of silver nanoparticles-decorated FePO4 nanosphere at a gas-liquid interface for the electrochemical detection of Hydrogen peroxide. J CHEM SCI 2016. [DOI: 10.1007/s12039-016-1062-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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26
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Facile synthesis of Pt-Cu@silicon nanostructure as a new electrocatalyst supported matrix, electrochemical detection of hydrazine and hydrogen peroxide. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2015.12.180] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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27
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Justino DD, Torres IL, de Cássia Silva Luz R, Damos FS. High Sensitive Microsensor Based on Organic-Inorganic Composite for Two-Dimensional Mapping of H2O2by SECM. ELECTROANAL 2015. [DOI: 10.1002/elan.201400629] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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28
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Han DM, Zhang QM, Serpe MJ. Poly (N-isopropylacrylamide)-co-(acrylic acid) microgel/Ag nanoparticle hybrids for the colorimetric sensing of H2O2. NANOSCALE 2015; 7:2784-2789. [PMID: 25584531 DOI: 10.1039/c4nr06093h] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Poly (N-isopropylacrylamide)-co-(acrylic acid) (pNIPAm-co-AAc) microgels composed of Ag nanoparticles (Ag NPs) have been synthesized and employed for the colorimetric sensing of H2O2. Each pNIPAm-co-AAc microgel, which exhibited a diameter of ∼800 nm, contained multiple Ag NPs (diameter of ∼5 nm), and solutions of these hybrid materials showed a UV-vis absorption band at ∼400 nm. This is due to the excitation of the Ag NP surface plasmon. We go on to show that the intensity of this absorption band is dependent on the concentration of H2O2 in solution. Specifically, in the presence of H2O2 the magnitude of the absorption peak dramatically decreases in a linear fashion over the concentration range of 0.30 to 3.00 μM H2O2 (r(2) = 0.9918). We go on to show that the response is selective for H2O2 and can still function in complex mixtures, e.g., we showed that the response is still robust in milk samples. While Ag NPs themselves can exhibit similar responses, this system has many benefits including sample processing and long term stability - i.e., Ag NPs are destabilized in solutions of a certain pH, and aggregate readily. Our microgel/Ag NP hybrids have been shown to be extremely stable and are easily purified prior to use by simple centrifugation/washing protocols. This system is simple and straightforward to use, is low cost, and can be used in complex media, which makes it practical for analyzing complex biological and environmental samples.
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Affiliation(s)
- De-Man Han
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada T6G 2G2.
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29
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Synthesis of new copper nanoparticle-decorated anchored type ligands: Applications as non-enzymatic electrochemical sensors for hydrogen peroxide. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 47:290-7. [DOI: 10.1016/j.msec.2014.11.042] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Revised: 11/02/2014] [Accepted: 11/11/2014] [Indexed: 11/21/2022]
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30
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Wu C, Xia G, Sun J, Song R. Synthesis and anisotropic self-assembly of Ag nanoparticles immobilized by the Pluronic F127 triblock copolymer for colorimetric detection of H2O2. RSC Adv 2015. [DOI: 10.1039/c5ra20457g] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Facile and green synthesis of a Ag@DA@F127 system for the sensitive and quantitative detection of H2O2. Ag NPs in the network-like F127 micelles were well-dispersed and anisotropically self-assembled.
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Affiliation(s)
- Cong Wu
- College of Chemistry and Chemical Engineering
- University of Chinese Academy of Sciences
- Beijing 100049
- China
| | - Guangmei Xia
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Engineering Plastics
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Jing Sun
- Shanghai Institute of Microsystem and Information Technology
- Chinese Academy of Sciences
- Shanghai 200050
- China
| | - Rui Song
- College of Chemistry and Chemical Engineering
- University of Chinese Academy of Sciences
- Beijing 100049
- China
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Hazra S, Joshi H, Ghosh BK, Ahmed A, Gibson T, Millner P, Ghosh NN. Development of a novel and efficient H2O2 sensor by simple modification of a screen printed Au electrode with Ru nanoparticle loaded functionalized mesoporous SBA15. RSC Adv 2015. [DOI: 10.1039/c5ra02712h] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
A novel and efficient electrochemical sensor has been developed to quantitatively measure H2O2 concentration by cyclic voltammetry.
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Affiliation(s)
- Subhenjit Hazra
- Nano-Materials Lab
- Department of Chemistry
- Birla Institute of Technology and Science
- Pilani K. K. Birla Goa Campus
- Zuarinagar
| | - Hrishikesh Joshi
- Nano-Materials Lab
- Department of Chemistry
- Birla Institute of Technology and Science
- Pilani K. K. Birla Goa Campus
- Zuarinagar
| | - Barun Kumar Ghosh
- Nano-Materials Lab
- Department of Chemistry
- Birla Institute of Technology and Science
- Pilani K. K. Birla Goa Campus
- Zuarinagar
| | - Asif Ahmed
- School of Biomedical Sciences
- Faculty of Biological Sciences
- University of Leeds
- Leeds
- UK
| | - Timothy Gibson
- School of Biomedical Sciences
- Faculty of Biological Sciences
- University of Leeds
- Leeds
- UK
| | - Paul Millner
- School of Biomedical Sciences
- Faculty of Biological Sciences
- University of Leeds
- Leeds
- UK
| | - Narendra Nath Ghosh
- Nano-Materials Lab
- Department of Chemistry
- Birla Institute of Technology and Science
- Pilani K. K. Birla Goa Campus
- Zuarinagar
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A novel bimediator amperometric sensor for electrocatalytic oxidation of gallic acid and reduction of hydrogen peroxide. Anal Chim Acta 2014; 828:34-45. [DOI: 10.1016/j.aca.2014.04.041] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2014] [Revised: 04/19/2014] [Accepted: 04/22/2014] [Indexed: 01/06/2023]
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