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Jjagwe J, Olupot PW, Kulabako R, Carrara S. Electrochemical sensors modified with iron oxide nanoparticles/nanocomposites for voltammetric detection of Pb (II) in water: A review. Heliyon 2024; 10:e29743. [PMID: 38665564 PMCID: PMC11044046 DOI: 10.1016/j.heliyon.2024.e29743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 04/15/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Permissible limits of Pb2+ in drinking water are being reduced from 10 μgL-1 to 5 μgL-1, which calls for rapid, and highly reliable detection techniques. Electrochemical sensors have garnered attention in detection of heavy metal ions in environmental samples due to their ease of operation, low cost, and rapid detection responses. Selectivity, sensitivity and detection capabilities of these sensors, can be enhanced by modifying their working electrodes (WEs) with iron oxide nanoparticles (IONPs) and/or their composites. Therefore, this review is an in-depth analysis of the deployment of IONPs/nanocomposites in modification of electrochemical sensors for detection of Pb2+ in drinking water over the past decade. From the analyzed studies (n = 23), the optimal solution pH, deposition potential, and deposition time ranged between 3 and 5.6, -0.7 to -1.4 V vs Ag/AgCl, and 100-400 s, respectively. Majority of the studies employed square wave anodic stripping voltammetry (n = 16), in 0.1 M acetate buffer solution (n = 19) for detection of Pb2+. Limits of detection obtained (2.5 x 10-9 - 4.5 μg/L) were below the permissible levels which indicated good sensitivities of the modified electrodes. Despite the great performance of these modified electrodes, the primary source of IONPs has always been commercial iron-based salts in addition to the use of so many materials as modifying agents of these IONPs. This may limit reproducibility and sustainability of the WEs due to lengthy and costly preparation protocols. Steel and/or iron industrial wastes can be alternatively employed in generation of IONPs for modification of electrochemical sensors. Additionally, biomass-based activated carbons enriched with surface functional groups are also used in modification of bare IONPs, and subsequently bare electrodes. However, these two areas still need to be fully explored.
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Affiliation(s)
- Joseph Jjagwe
- Department of Mechanical Engineering, College of Engineering, Design, Art and Technology, Makerere University, P.O. Box 7062, Kampala, Uganda
| | - Peter Wilberforce Olupot
- Department of Mechanical Engineering, College of Engineering, Design, Art and Technology, Makerere University, P.O. Box 7062, Kampala, Uganda
| | - Robinah Kulabako
- Department of Civil and Environmental Engineering, College of Engineering, Design, Art and Technology, Makerere University, P.O. Box 7062, Kampala, Uganda
| | - Sandro Carrara
- Bio/CMOS Interfaces Laboratory, School of Engineering, Institute of Microengineering, École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland
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Faysal AA, Kaya SI, Cetinkaya A, Ozkan SA, Gölcü A. The Effect of Polymerization Techniques on the Creation of Molecularly Imprinted Polymer Sensors and Their Application on Pharmaceutical Compounds. Crit Rev Anal Chem 2024:1-20. [PMID: 38252120 DOI: 10.1080/10408347.2023.2301652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Molecularly imprinted polymers (MIPs) have become more prevalent in fabricating sensor applications, particularly in medicine, pharmaceuticals, food quality monitoring, and the environment. The ease of their preparation, adaptability of templates, superior affinity and specificity, improved stability, and the possibility for downsizing are only a few benefits of these sensors. Moreover, from a medical perspective, monitoring therapeutic medications and determining pharmaceutical compounds in their pharmaceutical forms and biological systems is very important. Additionally, because medications are hazardous to the environment, effective, quick, and affordable determination in the surrounding environment is of major importance. Concerning a variety of performance criteria, including sensitivity, specificity, low detection limits, and affordability, MIP sensors outperform other published technologies for analyzing pharmaceutical drugs. MIP sensors have, therefore, been widely used as one of the most crucial techniques for analyzing pharmaceuticals. The first part of this review provides a detailed explanation of the many polymerization techniques that were employed to create high-performing MIP sensors. In the subsequent section of the review, the utilization of MIP-based sensors for quantifying the drugs in their pharmaceutical preparation, biological specimens, and environmental samples are covered in depth. Finally, a critical evaluation of the potential future research paths for MIP-based sensors clarifies the use of MIP in pharmaceutical fields.
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Affiliation(s)
- Abdullah Al Faysal
- Faculty of Sciences and Letters, Department of Chemistry, Istanbul Technical University, Maslak, Istanbul, Türkiye
| | - S Irem Kaya
- Gulhane Faculty of Pharmacy, Department of Analytical Chemistry, University of Health Sciences, Ankara, Türkiye
| | - Ahmet Cetinkaya
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara University, Türkiye
- Graduate School of Health Sciences, Ankara University, Türkiye
| | - Sibel A Ozkan
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara University, Türkiye
| | - Ayşegül Gölcü
- Faculty of Sciences and Letters, Department of Chemistry, Istanbul Technical University, Maslak, Istanbul, Türkiye
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Alam P, Shakeel F, Iqbal M, Foudah AI, Alqarni MH, Aljarba TM, Abdel Bar F, Alshehri S. Quantification of Pomalidomide Using Conventional and Eco-Friendly Stability-Indicating HPTLC Assays: A Contrast of Validation Parameters. ACS OMEGA 2023; 8:30655-30664. [PMID: 37636909 PMCID: PMC10448633 DOI: 10.1021/acsomega.3c04382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 07/24/2023] [Indexed: 08/29/2023]
Abstract
High-performance thin-layer chromatographic (HPTLC) assays for pomalidomide (PMD) measurement are lacking in the published database. Furthermore, eco-friendly stability-indicating analytical assays for PMD measurement are also lacking in the published database. In order to detect PMD in commercial products more accurately and sustainably than the conventional normal-phase HPTLC (NP-HPTLC) assay, an effort was made to design and verify a sensitive and eco-friendly reversed-phase HPTLC (RP-HPTLC) assay. The silica gel 60 NP-18F254S and 60 RP-18F254S plates were used as the stationary phases for NP-HPTLC and RP-HPTLC methods, respectively. The solvent system for NP-HPTLC was chloroform-methanol (90:10 v/v). However, the solvent system for RP-HPTLC was ethanol-water (75:25 v/v). The greenness scores for both assays were measured by AGREE approach. PMD measurement was performed for both assays at 372 nm. In the 50-600 and 20-1000 ng/band ranges, the NP-HPTLC and RP-HPTLC methods were linear for PMD measurement. The RP-HPTLC assay was superior to the NP-HPTLC method for measuring PMD in terms of sensitivity, accuracy, precision, and robustness. The ability of both methods to identify PMD in the presence of its degradation products suggests that both methods have stability-indicating features. When employing the NP-HPTLC and RP-HPTLC assays, respectively, the assay for PMD in commercial capsules was 88.68 and 98.83%. The AGREE scores for NP-HPTLC and RP-HPTLC assays were calculated to be 0.44 and 0.82, respectively, suggesting an outstanding greenness characteristic of the RP-HPTLC method than the NP-HPTLC method. The RP-HPTLC method was found to be superior to the NP-HPTLC method based on these findings. Therefore, the RP-HPTLC method could be successfully applied for the determination of PMD in pharmaceutical products.
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Affiliation(s)
- Prawez Alam
- Department
of Pharmacognosy, College of Pharmacy, Prince
Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Faiyaz Shakeel
- Department
of Pharmaceutics, College of Pharmacy, King
Saud University, Riyadh 11451, Saudi Arabia
| | - Muzaffar Iqbal
- Department
of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ahmed I. Foudah
- Department
of Pharmacognosy, College of Pharmacy, Prince
Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Mohammed H. Alqarni
- Department
of Pharmacognosy, College of Pharmacy, Prince
Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Tariq M. Aljarba
- Department
of Pharmacognosy, College of Pharmacy, Prince
Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Fatma Abdel Bar
- Department
of Pharmacognosy, College of Pharmacy, Prince
Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Sultan Alshehri
- Department
of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, Ad Diriyah 13713, Saudi Arabia
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Jjagwe J, Olupot PW, Carrara S. Iron oxide nanoparticles/nanocomposites derived from steel and iron wastes for water treatment: A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 343:118236. [PMID: 37235992 DOI: 10.1016/j.jenvman.2023.118236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 05/10/2023] [Accepted: 05/20/2023] [Indexed: 05/28/2023]
Abstract
Iron oxide nanoparticles (IONPs) are characterized by superior magnetic properties, high surface area to volume ratio, and active surface functional groups. These properties aid in removal of pollutants from water, through adsorption and/or photocatalysis, justifying the choice of IONPs in water treatment systems. IONPs are usually developed from commercial chemicals of ferric and ferrous salts alongside other reagents, a procedure that is costly, environmentally unfriendly and limits their mass production. On the other hand, steel and iron industries produce both solid and liquid wastes which in most cases are piled, discharged into water streams or landfilled as strategies to dispose them off. Such practices are detrimental to environmental ecosystems. Given the high content of iron present in these wastes, they can be used to generate IONPs. This work reviewed published literature through selected key words on the deployment of steel and/or iron-based wastes as IONPs precursors for water treatment. The findings reveal that steel waste-derived IONPs have properties such as specific surface area, particle sizes, saturation magnetization, and surface functional groups that are comparable or sometimes better than those synthesized from commercial salts. Furthermore, the steel waste-derived IONPs have high removal efficacy for heavy metals and dyes from water with possibilities of being regenerated. The performance of steel waste-derived IONPs can be enhanced by functionalization with different reagents such as chitosan, graphene, and biomass based activated carbons. Nonetheless, there is need to explore the potential of steel waste-based IONPs in removing contaminants of emerging concern, modifying pollutant detection sensors, their techno-economic feasibility in large treatment plants, toxicity of these nanoparticles when ingested into the human body, among other areas.
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Affiliation(s)
- Joseph Jjagwe
- Department of Mechanical Engineering, College of Engineering, Design, Art and Technology, Makerere University, P.O. Box 7062, Kampala, Uganda.
| | - Peter Wilberforce Olupot
- Department of Mechanical Engineering, College of Engineering, Design, Art and Technology, Makerere University, P.O. Box 7062, Kampala, Uganda
| | - Sandro Carrara
- Integrated Circuits Laboratory, School of Engineering, Institute of Microengineering, École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland
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Uçar A, Aydoğdu Tığ G, Er E. Recent advances in two dimensional nanomaterial-based electrochemical (bio)sensing platforms for trace-level detection of amino acids and pharmaceuticals. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.117027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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Qayum A, Peng X, Yuan J, Qu Y, Zhou J, Huang Z, Xia H, Liu Z, Tan DQ, Chu PK, Lu F, Hu L. Highly Durable and Efficient Ni-FeO x/FeNi 3 Electrocatalysts Synthesized by a Facile In Situ Combustion-Based Method for Overall Water Splitting with Large Current Densities. ACS APPLIED MATERIALS & INTERFACES 2022; 14:27842-27853. [PMID: 35686853 DOI: 10.1021/acsami.2c04562] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Ni-/Fe-based materials are promising electrocatalysts for the oxygen evolution reaction (OER) but usually are not suitable for the hydrogen evolution reaction (HER). Herein, a durable and bifunctional catalyst consisting of Ni-FeOx and FeNi3 is prepared on nickel foam (Ni-FeOx/FeNi3/NF) by in situ solution combustion and subsequent calcination to accomplish efficient alkaline water splitting. Density functional theory (DFT) calculation shows that the high HER activity is attributed to the strong electronic coupling effects between FeOx and FeNi3 in the Janus nanoparticles by modulating ΔGH* and electronic states. Consequently, small overpotentials (η) of 71 and 272 mV in HER and 269 and 405 mV in OER yield current densities (j) of 50 and 1000 mA cm-2, respectively. The catalyst shows outstanding stability for 280 and 200 h in HER and OER at a j of ∼50 mA cm-2. Also, the robustness and mechanical stability of the electrode at an elevated j of ∼500 mA cm-2 are excellent. Moreover, Ni-FeOx/FeNi3/NF shows excellent water splitting activities as a bifunctional catalyst as exemplified by j of 50 and 500 mA cm-2 at cell voltages of 1.58 and 1.80 V, respectively. The Ni-FeOx/FeNi3/NF structure synthesized by the novel, simple, and scalable strategy has large potential in commercial water electrolysis, and the in situ combustion method holds great promise in the fabrication of thin-film electrodes for different applications.
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Affiliation(s)
- Abdul Qayum
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong 515063, P. R. China
| | - Xiang Peng
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, Hubei Engineering Technology Research Center of Optoelectronic and New Energy Materials, Wuhan Institute of Technology, Wuhan 430205, P. R. China
| | - Jianfa Yuan
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong 515063, P. R. China
| | - Yuanduo Qu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong 515063, P. R. China
| | - Jianhong Zhou
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong 515063, P. R. China
| | - Zanling Huang
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong 515063, P. R. China
| | - Hong Xia
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong 515063, P. R. China
- Guangdong Laboratory of Chemistry and Fine Chemical Industry Jieyang Center, Jieyang, Guangdong 522000, P. R. China
| | - Zhi Liu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong 515063, P. R. China
| | - Daniel Qi Tan
- Materials Science and Engineering Department, and Guangdong Provincial Key Laboratory of Materials and Technologies for Energy Conversion, Guangdong Technion-Israel Institute of Technology, Shantou, Guangdong 515063, P. R. China
| | - Paul K Chu
- Department of Physics, Department of Materials Science and Engineering, and Department of Biomedical Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon 999077, Hong Kong, P. R. China
| | - Fushen Lu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong 515063, P. R. China
- Guangdong Laboratory of Chemistry and Fine Chemical Industry Jieyang Center, Jieyang, Guangdong 522000, P. R. China
| | - Liangsheng Hu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong 515063, P. R. China
- Guangdong Laboratory of Chemistry and Fine Chemical Industry Jieyang Center, Jieyang, Guangdong 522000, P. R. China
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Afzali Z, Mohadesi A, Ali Karimi M, Fathirad F. A highly selective and sensitive electrochemical sensor based on graphene oxide and molecularly imprinted polymer magnetic nanocomposite for patulin determination. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107215] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Zhao X, Huang Z, Zhang W, Li P, Lu F, Hu L. N‐Doped Carbon Coated TiC Nanofiber Arrays on Ti‐6Al‐4V for Sensitive Electrochemical Determination of Cr(VI). ELECTROANAL 2022. [DOI: 10.1002/elan.202100267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xia Zhao
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province Shantou University 515063 Guangdong P. R. China
| | - Zanling Huang
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province Shantou University 515063 Guangdong P. R. China
| | - Wanying Zhang
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province Shantou University 515063 Guangdong P. R. China
| | - Peipei Li
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province Shantou University 515063 Guangdong P. R. China
| | - Fushen Lu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province Shantou University 515063 Guangdong P. R. China
| | - Liangsheng Hu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province Shantou University 515063 Guangdong P. R. China
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