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Al-Sodies S, Asiri AM, Alam MM, Alamry KA, Rahman MM, Hussein MA. Development of an efficient electrochemical sensing platform based on ter-poly(luminol- o-anisidine- o-toluidine)/ZnO/GNPs nanocomposites for the detection of antimony (Sb 3+) ions. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:4333-4346. [PMID: 38888440 DOI: 10.1039/d4ay00472h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
A poly(luminol-o-anisidine-o-toluidine) terpolymer was synthesized, characterized, and modified with GNPs and ZnO NPs. The nanocomposites were then examined for their electroactivity and potential use as cationic electrochemical sensors for detecting Sb3+ ions in phosphate buffer on the surface of a glassy carbon electrode (GCE). Among the different compositions and the terpolymer, the GCE adapted with the PLAT/ZnO/GNPs-5% nanocomposite displayed the highest current response. The fabricated nanocomposite sensor exhibited high sensitivity, with a value of 21.4177 μA μM-1 cm-2, and a low detection limit of 95.42 pM. The analytical performance of the sensor was evaluated over the linear dynamic range (LDR) of 0.1 nM to 0.01 mM. The proposed sensor is effective in detecting and measuring carcinogenic Sb3+ ions in real environmental samples using an electrochemical approach, making it a promising tool for environmental monitoring.
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Affiliation(s)
- Salsabeel Al-Sodies
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
- Department of Chemistry, Faculty of Science, Taibah University, Al-Madinah Al-Munawarah 30002, Saudi Arabia
| | - Abdullah M Asiri
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
| | - M M Alam
- Department of Chemical Engineering, Z. H. Sikder University of Science and Technology (ZHSUST), Shariatpur-8024, Bangladesh
| | - Khalid A Alamry
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
| | - Mohammed M Rahman
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
- Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mahmoud A Hussein
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
- Chemistry Department, Faculty of Science, Assiut University, Assiut, 71516 Egypt
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Wang H, Liu J, Peng Z, Wang Q, Wei J, Li Y. Construction of a Novel Semiautomated Electrochemical Sensor Array Platform and Its Application in Multiplexed Monitoring of Antibiotic Therapy. ACS Sens 2024; 9:1349-1358. [PMID: 38437790 DOI: 10.1021/acssensors.3c02346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
At present, traditional analytical methods suffer from issues such as complex operation, expensive equipment, and a lengthy testing time. Electrochemical sensors have shown great advantages and application potential as an alternative solution. In this study, we proposed a novel semiautomated electrochemical sensor array (SAESA) platform. The sensor array was fabricated using screen-printed technology with a tubular design where all electrodes were printed on the inner wall. The integration of the tubular sensor array with a pipet allows for a semiautomated process including sampling and rinsing, which simplifies operation and reduces overall time. Each working electrode in the tubular sensor array underwent distinct decoration to get specific sensing responses toward the target analytes in a mixture environment (e.g., blood samples). To demonstrate the applicability of the developed sensing platform for simultaneous multianalyte detection, we chose antibiotic treatment for inflammatory infection as a model scenario and continuously measured three biomarkers, namely, tigecycline (TGC), procalcitonin (PCT), and alanine aminotransferase (ALT). The detection limits were 0.3 μM, 0.3 ng/L, and 2.76 U/L, respectively. The developed semiautomated electrochemical sensor array exhibits characteristics such as rapid and simple operation, portability, good selectivity, and excellent stability.
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Affiliation(s)
- Heyu Wang
- School of Science, Harbin Institute of Technology, Shenzhen 518055, China
| | - Jiang Liu
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, Harbin Institute of Technology, Shenzhen 518055, China
| | - Zhengchun Peng
- College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Qiqin Wang
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Jun Wei
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, Harbin Institute of Technology, Shenzhen 518055, China
| | - Yingchun Li
- School of Science, Harbin Institute of Technology, Shenzhen 518055, China
- Shenzhen Key Laboratory of Flexible Printed Electronics Technology, Harbin Institute of Technology, Shenzhen 518055, China
- College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
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Velusamy S, Roy A, Mariam E, Krishnamurthy S, Sundaram S, Mallick TK. Effectual visible light photocatalytic reduction of para-nitro phenol using reduced graphene oxide and ZnO composite. Sci Rep 2023; 13:9521. [PMID: 37308568 DOI: 10.1038/s41598-023-36574-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 06/06/2023] [Indexed: 06/14/2023] Open
Abstract
Removing wastewater pollutants using semiconducting-based heterogeneous photocatalysis is an advantageous technique because it provides strong redox power charge carriers under sunlight irradiation. In this study, we synthesized a composite of reduced graphene oxide (rGO) and zinc oxide nanorods (ZnO) called rGO@ZnO. We established the formation of type II heterojunction composites by employing various physicochemical characterization techniques. To evaluate the photocatalytic performance of the synthesized rGO@ZnO composite, we tested it for reducing a common wastewater pollutant, para-nitro phenol (PNP), to para-amino phenol (PAP) under both ultraviolet (UV) and visible light irradiances. The rGOx@ZnO (x = 0.5-7 wt%) samples, comprising various weights of rGO, were investigated as potential photocatalysts for the reduction of PNP to PAP under visible light irradiation. Among the samples, rGO5@ZnO exhibited remarkable photocatalytic activity, achieving a PNP reduction efficiency of approximately 98% within a short duration of four minutes. These results demonstrate an effective strategy and provide fundamental insights into removing high-value-added organic water pollutants.
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Affiliation(s)
- Sasireka Velusamy
- Solar Energy Research Group, Environment and Sustainability Institute (ESI), Faculty of Environment, Science and Economy, Penryn Campus, University of Exeter, Cornwall, TR10 9FE, UK
| | - Anurag Roy
- Solar Energy Research Group, Environment and Sustainability Institute (ESI), Faculty of Environment, Science and Economy, Penryn Campus, University of Exeter, Cornwall, TR10 9FE, UK.
| | - Ezrah Mariam
- School of Engineering and Innovation, The Open University, Milton Keynes, MK7 6AA, UK
| | | | - Senthilarasu Sundaram
- Cybersecurity and Systems Engineering, School of Computing, Engineering and the Built Environment, Edinburgh Napier University, Edinburgh, EH10 5DT, UK.
| | - Tapas K Mallick
- Solar Energy Research Group, Environment and Sustainability Institute (ESI), Faculty of Environment, Science and Economy, Penryn Campus, University of Exeter, Cornwall, TR10 9FE, UK
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Ghobashy MM, F Abd El-Gawad A, A Fayek S, Farahat MA, Ismail MI, Elbarbary AM, I Sharshir A. Gamma irradiation induced surface modification of (PVC/HDPE)/ZnO nanocomposite for enhancing the oil removal and conductivity using COMSOL multiphysics. Sci Rep 2023; 13:7514. [PMID: 37160993 PMCID: PMC10170164 DOI: 10.1038/s41598-023-34583-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 05/03/2023] [Indexed: 05/11/2023] Open
Abstract
Blend nanocomposite film was prepared by loadings of irradiated ZnO in ratios of (5 wt%) inside the PVC/HDPE matrix using a hot-melt extruder technique. The physical and chemical properties of the irradiated and unirradiated ZnO samples are compared. The Vis-UV spectrum of ZnO shows an absorption peak at a wavelength of 373 nm that was slightly red-shifted to 375 nm for an irradiated sample of ZnO at a dose of 25 kGy due to the defect of crystal structure by the oxygen vacancy during gamma irradiations. This growth of the defect site leads to a decrease in energy gaps from 3.8 to 2.08 eV. AC conductivity of ZnO sample increased after the gamma irradiation process (25 kGy). The (PVC/HDPE)/ZnO nanocomposites were re-irradiated with γ rays at 25 kGy in the presence of four different media (silicon oil, sodium silicate, paraffin wax and water). FTIR and XRD were performed to monitor the changes in chemical composition. The new peak at 1723 cm-1 attributed to C=O groups was observed in irradiated (PVC/HDPE)ZnO samples at only sodium silicate and water media. This process induced new function groups on the surface of the (PVC/HDPE)/ZnO blend sample. This work aims to develop (PVC/HDPE)ZnO for oil/water separation. The highest oil adsorption capability was observed in samples functionalized by C=O groups based on the different tested oils. The results suggest that the surface characterization of the (PVC/HDPE)/ZnO can be modified to enhance the oil adsorption potential. Further, the gamma irradiation dose significantly enhanced the AC conductivity compared to the unirradiated sample. According to COMSOL Multiphysics, the irradiated sample (PVC/HDPE)ZnO in water shows perfect uniform electric field distribution in medium voltage cables (22.000 V).
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Affiliation(s)
- Mohamed Mohamady Ghobashy
- Radiation Research of Polymer Chemistry Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - Amal F Abd El-Gawad
- Faculty of Engineering, Zagazig University, Zagazig, Egypt
- Faculty of Computers and Informatics, University Zagazig, Zagazig, Egypt
| | - S A Fayek
- Solid State and Accelerator Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - M A Farahat
- Faculty of Engineering, Zagazig University, Zagazig, Egypt
| | - M I Ismail
- Faculty of Engineering, Zagazig University, Zagazig, Egypt
- Faculty of Engineering, Egypt University of Informatics, Cairo, Egypt
| | - Ahmed M Elbarbary
- Radiation Research of Polymer Chemistry Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - A I Sharshir
- Solid State and Accelerator Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt.
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Kumar PS, G P, Elavarasan N, Sreeja BS. GO/ZnO nanocomposite - as transducer platform for electrochemical sensing towards environmental applications. CHEMOSPHERE 2023; 313:137345. [PMID: 36423727 DOI: 10.1016/j.chemosphere.2022.137345] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 10/30/2022] [Accepted: 11/20/2022] [Indexed: 06/16/2023]
Abstract
Graphene Oxide-Zinc Oxide (GO-ZnO) - a new nanomaterial that has queued the interest of researchers. Their intriguing promising physical and electrochemical features of electrode material have led to its widespread use in electrochemical sensor applications. GO-ZnO based nanomaterial were extensively exploited in the construction of electrochemical sensors due to their adaptability and distinct qualities. On understanding the structural role of these materials, their modification processes are critical for realizing their full potential. The advancement of technology on new concepts and strategies has revolutionized the field of sensor devices with high sensitivities and selectivity. These tools can test a range of contaminants quickly, accurately, and affordably while performing automated chemical analysis in complicated matrices. This paper highlights the electrochemical transducer surface for sensing various analytes and current research activity on GO-ZnO nanocomposite. Additionally, we talked about current developments in GO-ZnO nanostructured composites to identify relevant analytes (i.e., Nitrophenols, Antibiotic Drugs, Biomolecules). While being used in the laboratory, the majority of produced systems have proven to bring about excellent gains. Their monitoring application still has a long way to go before it is fixed due to problems like technological advancements and multifunctional strategies to get around the challenges for improving the sensing systems.
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Affiliation(s)
- P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, 603110, Tamil Nadu, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, 603110, Tamil Nadu, India.
| | - Padmalaya G
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, 603110, Tamil Nadu, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, 603110, Tamil Nadu, India
| | - N Elavarasan
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, 603110, Tamil Nadu, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, 603110, Tamil Nadu, India
| | - B S Sreeja
- Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, 603110, Tamil Nadu, India; Department of Electronics and Communication Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, 603110, Tamil Nadu, India
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Bide Y, Jahromi NN. Nitrogen and sulfur dual doped porous carbon as metal-free catalyst for oxidative degradation of 4-nitrophenol by persulfate activation. Sci Rep 2023; 13:1212. [PMID: 36681770 PMCID: PMC9867720 DOI: 10.1038/s41598-023-28470-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 01/18/2023] [Indexed: 01/22/2023] Open
Abstract
The replacement of metals in catalytic processes is highly demanded to improve sustainability and economic growth. Poor stability and metal leaching are the main drawbacks of metal-based catalytic reactions. This work represented the use of nitrogen and sulfur-co-doped mesoporous carbon material ((N, S)-MPC) as a metal-free catalyst for the degradation of 4-nitrophenol (4-NP) as a priority pollutant announced by the Environmental Protection Agency through the persulfate-based advanced oxidation process. A low amount of (N, S)-MPC catalyst (0.3 g/L) exhibited superior performance for the degradation of 4-NP within 3 h at room temperature and unadjusted pH. The COD removal was calculated to be 76% using (N, S)-MPC catalyst. Interestingly, the degradations kinetics of 4-NP followed the zero-order kinetics with the rate constant of 0.505 min-1. The radical quenching experiment was accomplished to investigate the activation pathway of degradation. A real sample from an oil and gas company was treated with the (N, S)-MPC catalyst, which showed excellent total decontamination of 61%. The recyclability and stability of the catalyst have been evaluated for three runs. Owing to the obvious benefits such as high efficiency, metal-free nature, and recyclability, the presented catalyst can improve pollutant removal from aqueous media and practical environmental remediation.
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Affiliation(s)
- Yasamin Bide
- grid.459609.70000 0000 8540 6376Department of Chemical Technologies, Iranian Research Organization for Science and Technology (IROST), P.O. Box: 15815-3538, Tehran, Iran
| | - Niloofar Naseri Jahromi
- grid.459609.70000 0000 8540 6376Department of Chemical Technologies, Iranian Research Organization for Science and Technology (IROST), P.O. Box: 15815-3538, Tehran, Iran
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Duman S, Özhava D. Green Approaches to Dehydrogenation of DMAB Catalyzed by Starch Stabilized Ru(0), Cu(0) and Ni(0) Nanoparticles in the Absence of a Solvent. ChemistrySelect 2023. [DOI: 10.1002/slct.202204606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Sibel Duman
- Department of Chemistry Bingol University 12000 Bingol Türkiye
| | - Derya Özhava
- Department of Chemistry and Chemical Processing Technologies Cumra Vocational School Selcuk University 42130 Konya Türkiye
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Senthil Kumar P, Sreeja BS, Krishna Kumar K, Padmalaya G. Static and dynamic analysis of sulfamethoxazole using GO/ZnO modified glassy carbon electrode by differential pulse voltammetry and amperometry techniques. CHEMOSPHERE 2022; 302:134926. [PMID: 35561779 DOI: 10.1016/j.chemosphere.2022.134926] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 04/22/2022] [Accepted: 05/07/2022] [Indexed: 06/15/2023]
Abstract
Surface water contamination of sulfamethoxazole (SMX) has tremendously affected the ecosystem. A primary study was performed to develop an electrochemical sensor for the determination of SMX. Overcoming the demerit associated with the conventional techniques, an electrochemical method was developed using GO/ZnO nanocomposite modified electrode to detect SMX in 0.1 M phosphate buffer (pH-5.5) buffer solution. The GO, ZnO and GO/ZnO nanocomposite were prepared using modified Hummer's, precipitation and sonochemical methods, respectively. Physico-chemical properties of all the materials and its modified electrode were analysed. Comparison was made by studying the SMX sensing performance of electrodes modified with GO, ZnO and GO/ZnO nanocomposites. Out of which GO/ZnO nanocomposite exhibited excellent sensing performance with the concentration range from 0.10 × 10-6 to 1.5 × 10-6 M with the limit of detection (LOD) 28.9 nM. The parameters such as electrolyte, effect of pH, scan rate were optimized for effective sensing performance. From the optimized results 0.1 M phosphate buffer was found to be a suitable electrolyte and the pH 5.5 was found to be appropriate to sense SMX at the scan rate 50 mVs-1. Under optimized condition, the Differential Pulse Voltammetry (DPV) and Amperometry techniques were adopted for electrochemical sensing of SMX under static and hydrodynamic condition. The developed method was successfully tested for real time analysis for the samples collected from waste water treatment plant.
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Affiliation(s)
- P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, Tamil Nadu, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, Tamil Nadu, India.
| | - B S Sreeja
- Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, Tamil Nadu, India; Department of Electronics and Communication Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, Tamil Nadu, India
| | - K Krishna Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, Tamil Nadu, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, Tamil Nadu, India
| | - G Padmalaya
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, Tamil Nadu, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, Tamil Nadu, India
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Jemai R, Djebbi MA, Hussain N, Yang B, Hirtz M, Trouillet V, Ben Rhaiem H, Ben Haj Amara A. Activated Porous Carbon Supported Pd and ZnO Nanocatalysts for Trace Sensing of Carbaryl Pesticide in Water and Food Products. NEW J CHEM 2022. [DOI: 10.1039/d2nj01844f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nanomaterials-based sensors are a dire need for credible and accurate determination of pesticides in water and food samples as a monitoring tool. Herein, electrocatalysts of Pd and ZnO NPs supported...
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