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Gabrielle Sutanto L, Sabilla S, Wardhana BY, Ramadani A, Sari AP, Anjani QK, Basirun WJ, Amrillah T, Amalina I, Jiwanti PK. Carbon nanomaterials as electrochemical sensors for theophylline: a review. RSC Adv 2024; 14:28927-28942. [PMID: 39263434 PMCID: PMC11388037 DOI: 10.1039/d4ra03585b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Accepted: 07/26/2024] [Indexed: 09/13/2024] Open
Abstract
Theophylline (TP) is a methylxanthine derivative, which serves as a valuable compound in treating respiratory disorders and acts as a bronchodilator agent. However, TP has a limited therapeutic range (20-100 μmol L-1), demanding precise monitoring to prevent potential drug toxicity even with slight level fluctuations during treatment. Thus, to overcome this limitation, electrochemical methods have been extensively used due to their efficacy in achieving sensitivity, selectivity, and accuracy. In the context of electrochemical sensors, nanocarbon-based materials have gained widespread recognition for their extensive applications. Therefore, this review aims to explore the latest advancements in carbon-based electrodes particularly used for the precise determination of TP through electrochemical methods. The results are expected to provide insights into the profound significance of the methods in enhancing the accuracy and sensitivity for the detection of TP.
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Affiliation(s)
- Laurencia Gabrielle Sutanto
- Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga Surabaya 60115 Indonesia
| | - Syarifa Sabilla
- Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga Surabaya 60115 Indonesia
| | - Brasstira Yuva Wardhana
- Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga Surabaya 60115 Indonesia
| | - Anggi Ramadani
- Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga Surabaya 60115 Indonesia
| | - Anis Puspita Sari
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga Surabaya 60115 Indonesia
| | - Qonita Kurnia Anjani
- School of Pharmacy, Medical Biology Centre, Queen's University Belfast 97 Lisburn Road Belfast BT9 7BL UK
| | - Wan Jeffrey Basirun
- Nanotechnology and Catalysis Research Center (NANOCAT), University Malaya Kuala Lumpur 50603 Malaysia
- Department of Chemistry, Faculty of Science, University Malaya Kuala Lumpur 50603 Malaysia
| | - Tahta Amrillah
- Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga Surabaya 60115 Indonesia
| | - Ilma Amalina
- Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga Surabaya 60115 Indonesia
| | - Prastika Krisma Jiwanti
- Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga Surabaya 60115 Indonesia
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Wang T, Jafar NNA, Al-Rihaymee AMA, Alhameedi DY, Rasen FA, Hashim FS, Hussein TK, Ramadan MF, Alasedi KK, Suliman M, Alawadi AH. Highly efficient electrocatalytic oxidation of levodopa as a Parkinson therapeutic drug based on modified screen-printed electrode. Heliyon 2024; 10:e34689. [PMID: 39149019 PMCID: PMC11325779 DOI: 10.1016/j.heliyon.2024.e34689] [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: 01/30/2024] [Revised: 07/14/2024] [Accepted: 07/15/2024] [Indexed: 08/17/2024] Open
Abstract
The current study presents the creation of a straightforward and sensitive sensor based on ZnO/Co3O4 nanocomposite modified screen-printed electrode (ZnO/Co3O4NC/SPE) for levodopa determination. At ZnO/Co3O4NC/SPE, an oxidative peak for levodopa solution in pH 6.0 phosphate buffer solution (PBS) were seen that were both more resolved and more enhanced. Levodopa was measured using differential pulse voltammetry (DPV), which showed an excellent linear range (0.001-800.0 μM) and detection limit (0.81 nM). The presence of interference did not affect the electrochemical response of levodopa at ZnO/Co3O4NC/SPE, demonstrating high selectivity. Levodopa in a real samples have been successfully detected using the manufactured sensor.
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Affiliation(s)
- Tan Wang
- Three Gorges University, College of Basie Medical Scienees, 443002, China
| | - Nadhir N A Jafar
- Al-Zahraa Center for Medical and Pharmaceutical Research Sciences (ZCMRS), Al-Zahraa University for Women, Karbala, 56001, Iraq
| | - Afrah Majeed Ahmed Al-Rihaymee
- Anesthesia Techniques Department, College of Health and Medical Techniques, Al-Mustaqbal University, 51001, Babylon, Iraq
| | - Dheyaa Yahaia Alhameedi
- Department of Anesthesia, College of health & medical Technology, Sawa University, Almuthana, Iraq
| | - Fadhil A Rasen
- Department of Medical Engineering, Al-Esraa University College, Baghdad, Iraq
| | - Furqan S Hashim
- Department of Medical Laboratories Technology, AL-Nisour University College, Baghdad, Iraq
| | | | | | - Kasim Kadhim Alasedi
- Department of Medical Laboratory Techniques, Altoosi University College, Najaf, Iraq
| | - Muath Suliman
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Ahmed Hussien Alawadi
- College of technical engineering, the Islamic University, Najaf, Iraq
- College of technical engineering, the Islamic University of Al Diwaniyah, Iraq
- College of technical engineering, the Islamic University of Babylon, Iraq
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3
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Ezzat N, Hefnawy MA, Fadlallah SA, El-Sherif RM, Medany SS. Synthesis of nickel-sphere coated Ni-Mn layer for efficient electrochemical detection of urea. Sci Rep 2024; 14:14818. [PMID: 38937495 PMCID: PMC11211473 DOI: 10.1038/s41598-024-64707-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Accepted: 06/12/2024] [Indexed: 06/29/2024] Open
Abstract
Using a trustworthy electrochemical sensor in the detection of urea in real blood samples received a great attention these days. A thin layer of nickel-coated nickel-manganese (Ni@NiMn) is electrodeposited on a glassy carbon electrode (GC) (Ni@NiMn/GC) surface and used to construct the electrochemical sensor for urea detection. Whereas, electrodeposition is considered as strong technique for the controllable synthesis of nanoparticles. Thus, X-ray diffraction (XRD), atomic force microscope (AFM), and scanning electron microscope (SEM) techniques were used to characterize the produced electrode. AFM and SEM pictures revealed additional details about the surface morphology, which revealed a homogenous and smooth coating. Furthermore, electrochemical research was carried out in alkaline medium utilizing various electrochemical methods, including cyclic voltammetry (CV), chronoamperometry (CA), and electrochemical impedance spectroscopy (EIS). The electrochemical investigations showed that the electrode had good performance, high stability and effective charge transfer capabilities. The structural, morphological, and electrochemical characteristics of Ni@NiMn/GC electrodes were well understood using the analytical and electrochemical techniques. The electrode showed a limit of detection (LOD) equal to 0.0187 µM and a linear range of detection of 1.0-10 mM of urea. Furthermore, real blood samples were used to examine the efficiency of the prepared sensor. Otherwise, the anti-interfering ability of the modified catalyst was examined toward various interfering species.
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Affiliation(s)
- Nourhan Ezzat
- Bio Nanotechnology Department, Faculty of Nanotechnology, Cairo University, Giza, Egypt
| | - Mahmoud A Hefnawy
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Sahar A Fadlallah
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
- Biotechnology Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Rabab M El-Sherif
- Bio Nanotechnology Department, Faculty of Nanotechnology, Cairo University, Giza, Egypt
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Shymaa S Medany
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt.
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Laylani LAASS, Al-dolaimy F, Altharawi A, Sulaman GM, Mustafa MA, Alkhafaji AT, Alkhatami AG. Electrochemical DNA-nano biosensor for the detection of Goserelin as anticancer drug using modified pencil graphite electrode. Front Oncol 2024; 14:1321557. [PMID: 38751811 PMCID: PMC11094254 DOI: 10.3389/fonc.2024.1321557] [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: 12/08/2023] [Accepted: 03/22/2024] [Indexed: 05/18/2024] Open
Abstract
Goserelin is an effective anticancer drug, but naturally causes several side effects. Hence the determination of this drug in biological samples, plays a key role in evaluating its effects and side effects. The current studies have concentrated on monitoring Goserelin using an easy and quick DNA biosensor for the first time. In this study, copper(II) oxide nanoparticles were created upon the surface of multiwalled carbon nanotubes (CuO/MWCNTs) as a conducting mediator. The modified pencil graphite electrode (ds-DNA/PA/CuO/MWCNTs/PGE) has been modified with the help of polyaniline (PA), ds-DNA, and CuO/MWCNTs nanocomposite. Additionally, the issue with the bio-electroanalytical guanine oxidation signal in relation to ds-DNA at the surface of PA/CuO/MWCNTs/PGE has been examined to determination Goserelin for the first time. It also, established a strong conductive condition to determination Goserelin in nanomolar concentration. Thus, Goserelin's determining, however, has a 0.21 nM detection limit and a 1.0 nM-110.0 µM linear dynamic range according to differential pulse voltammograms (DPV) of ds-DNA/PA/CuO/MWCNTs/PGE. Furthermore, the molecular docking investigation highlighted that Goserelin is able to bind ds-DNA preferentially and supported the findings of the experiments. The determining of Goserelin in real samples has been effectively accomplished in the last phase using ds-DNA/PA/CuO/MWCNTs/PGE.
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Affiliation(s)
| | - F. Al-dolaimy
- Community Health Department, Al-Zahraa University for Women, Karbala, Iraq
| | - Ali Altharawi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Ghasen M. Sulaman
- Department of Medical Laboratories, Sawa University, Almuthana, Iraq
| | - Mohammed Ahmed Mustafa
- Department of Medical Laboratory Technology, University of Imam Jaafar AL-Sadiq, Baghdad, Iraq
| | | | - Ali G. Alkhatami
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
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Wang S, Zhang R, Ding S, Ao J, Shu T. Facile preparation of a CoNiS/CF electrode by SILAR for a high sensitivity non-enzymatic glucose sensor. RSC Adv 2024; 14:10897-10904. [PMID: 38577432 PMCID: PMC10993041 DOI: 10.1039/d3ra08154k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 03/20/2024] [Indexed: 04/06/2024] Open
Abstract
The nanomaterials for non-enzymatic electrochemical sensors are usually pre-synthesized and coated onto electrodes by ex situ methods. In this work, amorphous cobalt-nickel sulfide (CoNiS) nanoparticles were facilely prepared on copper foam (CF) by the in situ successive ionic layer adsorption and reaction (SILAR) method, and as-prepared CoNiS/CF was studied as an electrode for non-enzymatic glucose sensing. It was analyzed by field emission scanning electron microscopy (FESEM), energy dispersive X-ray analysis (EDAX) and X-ray photoelectron spectroscopy (XPS). The electrochemical performance was investigated by cyclic voltammetry (CV) and chronoamperometry (CA). This binary sulfide electrode showed better performance toward glucose oxidation compared to the corresponding single sulfide and showed a wide linear range of 0.005 to 3.47 mM, a high sensitivity of 2298.7 μA mM-1 cm-2 and a low detection limit of 2.0 μM. The sensor exhibited high sensitivity and good repeatability and stability and was able to detect glucose in an actual sample. This work provides a simple and fast in situ electrode preparation method for a high-sensitivity glucose sensor.
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Affiliation(s)
- Shi Wang
- Hubei University of Science and Technology Xianning Hubei China
| | - Ruirui Zhang
- Hubei University of Science and Technology Xianning Hubei China
| | - Saiwen Ding
- Hubei University of Science and Technology Xianning Hubei China
| | - Jialin Ao
- Hubei University of Science and Technology Xianning Hubei China
| | - Ting Shu
- Hubei University of Science and Technology Xianning Hubei China
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Hsu CY, Al-Musawi TJ, Lataef R, Lafta HA, Fatthi DA, Abed AS, Hadrawi SK, Talb MB, Ahmad I, Rab SO, Alshahrani MY. An electrochemical sensor for the determination of environmentally hazardous fungicide pyrimethanil in water and fruit samples. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1793-1803. [PMID: 38436418 DOI: 10.1039/d3ay02038j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
We developed a facile electroanalytical system for the rapid and sensitive detection of pyrimethanil through the modification of carbon paste electrode surface using the as-fabricated europium doped feather-type CuO nanoflowers (FT-Eu3+-CuO NF sensor). The peak current of pyrimethanil oxidation was elevated by the sensor due to the integration of appreciable electrochemical features of the modifier, which indicates the high ability of the modified electrode to enhance the sensitivity of pyrimethanil detection. The pyrimethanil sensor under the optimized setting had a broad linear dynamic range (0.001-800.0 μM) and a narrow limit of detection (0.18 nM). The practical applicability of the as-fabricated electrode was verified by sensing pyrimethanil in real samples; it also exhibited commendable specificity, stability and reproducibility.
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Affiliation(s)
- Chou-Yi Hsu
- Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan City 71710, Taiwan.
| | - Tariq J Al-Musawi
- Building and Construction Techniques Engineering Department, Al-Mustaqbal University College, 51001 Hillah, Babylon, Iraq
| | - Rahim Lataef
- College of Medical Technology, Al-Farahidi University, Iraq
| | | | - Dalal Abdullah Fatthi
- Department of Medical Laboratory Technics, AlNoor University College, Bartella, Iraq
| | - Ahmed S Abed
- Hilla University College, Department of Prosthetic Dental Technology, Babylon, Iraq
| | - Salema K Hadrawi
- Refrigeration and Air-conditioning Technical Engineering Department, College of Technical Engineering, The Islamic University, Najaf, Iraq.
| | | | - Irfan Ahmad
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Safia Obaidur Rab
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Mohammad Y Alshahrani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
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7
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Al-Qargholi B, Al-Dolaimy F, Altalbawy FMA, Kadhim AJ, Alsaalamy AH, Suliman M, Abbas AHR. Surface modification of a screen-printed electrode with a flower-like nanostructure to fabricate a guanine DNA-based electrochemical biosensor to determine the anticancer drug pemigatinib. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:5146-5156. [PMID: 37753580 DOI: 10.1039/d3ay01103h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
The present study developed a DNA biosensor to determine pemigatinib for the first time. Three-dimensional carnation flower-like Eu3+:β-MnO2 nanostructures (3D CF-L Eu3+:β-MnO2 NSs) and a screen-printed electrode (SPE) modified with polyaniline (PA) were employed. The double-stranded DNA was also immobilized completely on the PA/3D CF-L Eu3+:β-MnO2 NSs/SPE. Then, electrochemical techniques were used for characterizing the modified electrode. After that, the interaction between pemigatinib and DNA was shown by a reduction in the oxidation current of guanine using differential pulse voltammetry (DPV). According to the analysis, the dynamic range of pemigatinib was between 0.001 and 180.0 μM, indicating the new electrode has a low limit of detection (LOD = 0.23 nM) for pemigatinib. Afterwards, pemigatinib in real samples was measured using the PA/3D CF-L Eu3+:β-MnO2 NSs/SPE loaded with ds-DNA. The proposed DNA biosensor showed good selectivity toward pemigatinib in the presence of other interference analytes, such as other ions, structurally related pharmaceuticals, and plasma proteins. In addition, the interaction site of pemigatinib with DNA was predicted by molecular docking, which showed the interaction of pemigatinib with the guanine bases of DNA through a groove binding mode. Finally, we employed the t-test to verify the capability of the ds-DNA/PA/3D CF-L Eu3+:β-MnO2 NSs/SPE for analyzing pemigatinib in real samples.
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Affiliation(s)
- Basim Al-Qargholi
- Biomedical Engineering Department, Al-Mustaqbal University College, 51001 Hilla, Iraq
| | | | - Farag M A Altalbawy
- National Institute of Laser Enhanced Sciences (NILES), University of Cairo, Giza 12613, Egypt
- Department of Chemistry, University College of Duba, University of Tabuk, Tabuk, Saudi Arabia
| | - Abed J Kadhim
- Department of Medical Laboratories Technology, AL-Nisour University College, Baghdad, Iraq
| | - Ali Hashiem Alsaalamy
- College of Technical Engineering, Imam Ja'afar Al-Sadiq University, Al-Muthanna 66002, Iraq
| | - Muath Suliman
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia.
| | - Ahmed Hussien R Abbas
- College of Technical Engineering, The Islamic University, Najaf, Iraq
- College of Technical Engineering, The Islamic University of Al Diwaniyah, Iraq
- College of Technical Engineering, The Islamic University of Babylon, Iraq
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Abbasi M, Jahani S, Biroudian S, Boroujeni MA, Maghfoury F, Amini-Zadeh M, Malekyan L, Faramarzpoor HR, Foroughi MM. A nanoscale electrochemical guanine DNA-biosensor based on a flower-like nanocomposite of Tb-doped ZnO for the sensitive determination of pemetrexed. RSC Adv 2023; 13:29450-29462. [PMID: 37818257 PMCID: PMC10561636 DOI: 10.1039/d3ra03983h] [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: 06/14/2023] [Accepted: 09/01/2023] [Indexed: 10/12/2023] Open
Abstract
Pemetrexed is an antineoplastic drug used in chemotherapeutic treatments, especially in malignant mesothelioma and non-small cell lung carcinoma, but can also cause a variety of complications, like stomach pain, nausea, burning, vomiting, numbness, and tingling, emphasizing the need for an approach to quantify the drug in biological matrices. Herein, a DNA-based biosensor was introduced for pemetrexed determination. A hydrothermal approach was used for synthesizing flower-like nanoparticles (NPs) of zinc oxide (ZnO) doped with Tb (FL-NP Tb3+/ZnO). Moreover, energy dispersive X-ray (EDX), field-emission scanning electron microscopy (FESEM), zeta potential, Brunauer-Emmett-Teller (BET), and X-ray diffraction (XRD) analyses were used for characterizing the as-prepared nanocomposite. According to the impedance analysis, FL-NP Tb3+/ZnO was accompanied by very good electrochemical functions for a simple transfer of electrons. In the case of the immobilization of double-stranded deoxyribonucleic acid (ds-DNA) on the FL-NP Tb3+/ZnO and polypyrrole (PP)-modified pencil graphite electrode (ds-DNA/PP/FL-NP Tb3+/ZnO/PGE), a considerable enhancement was found in the electrochemical oxidation of guanine in ds-DNA residue bases. Since there was an interaction between ds-DNA and pemetrexed, the voltammetric current of guanine over the ds-DNA/PP/FL-NP Tb3+/ZnO/PGE declined in the presence of pemetrexed in the electrolytic solution. Moreover, under optimum conditions (25 mg L-1 of ds-DNA and 10 min incubation time, in acetate buffer at 25 °C), a linear decrease in the guanine signal was observed on the ds-DNA/PP/FL-NP Tb3+/ZnO/PGE as the pemetrexed concentration increased in the range from 0.001 μM to 175.0 μM with a limit of detection of 0.17 nM. Finally, the new DNA-based biosensor was successfully used for determining pemetrexed in real samples, indicating its application potential.
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Affiliation(s)
- Mahmoud Abbasi
- Medical Ethics and Law Research Center, Shahid Beheshti University of Medical Sciences Tehran Iran +98 34331321750
| | - Shohreh Jahani
- Noncommunicable Diseases Research Center, Bam University of Medical Sciences Bam Iran
| | - Saeed Biroudian
- Department of Medical Ethics, Medical School, Iran University of Medical Sciences Tehran Iran
| | | | | | | | - Leila Malekyan
- Department of Nursing, School of Nursing and Midwifery, Bam University of Medical Sciences Bam Iran
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Amir Poursaeed A, Jahani S, Moradalizadeh M, Shahidi Zandi M, Foroughi MM. Electrochemical detection of kynurenic acid in the presence of tryptophan with the carbon paste electrode modified with the flower-like nanostructures of zinc oxide doped with terbium. Front Chem 2023; 11:1250994. [PMID: 37810586 PMCID: PMC10556251 DOI: 10.3389/fchem.2023.1250994] [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: 06/30/2023] [Accepted: 09/01/2023] [Indexed: 10/10/2023] Open
Abstract
With the help of a hydrothermal approach in this study, we could provide flower-like nanostructures (NSs) of zinc oxide (ZnO) doped with Tb (FL-NS Tb3+/ZnO). Then, FL-NS Tb3+/ZnO morphology was investigated by energy-dispersive X-ray spectroscopy (EDX), scanning electron microscopy (SEM), X-ray powder diffraction (XRD), and map analysis. The results revealed higher activity centers and porosity of this nanocomposite, which were followed by acceptable electrochemical function. Hence, it can be utilized for fabricating an electrochemical sensor with an appropriate response for the simultaneous determination of kynurenic acid (KYN) and tryptophan (TRP). However, as compared with the modified carbon paste electrode (FL-NS Tb3+/ZnO/CPE), the bare carbon paste electrode (BCPE) exhibited a weak response toward KYN and TRP but the modified electrode was followed by a high current response for KYN and TRP at a potential 0.35 and 0.809 V. Therefore, cyclic voltammetry (CV) was applied in optimal experimental conditions to study the electrochemical behaviors of KYN and TRP over the surface of the proposed modified electrode. Moreover, we used differential pulse voltammetry (DPV) for quantitative measurements. It was found that this new modified electrode linearly ranged from 0.001 to 700.0 μM, with detection limits of 0.34 nM and 0.22 nM for KYN and TRP, respectively. In addition, KYN and TRP in real samples can be analyzed by this sensor, with a recovery of 97.75%-103.6% for the spiked KYN and TRP in real samples.
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Affiliation(s)
- Ali Amir Poursaeed
- Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, Iran
| | - Shohreh Jahani
- Noncommunicable Diseases Research Center, Bam University of Medical Sciences, Bam, Iran
| | | | - Mehdi Shahidi Zandi
- Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, Iran
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Abedi R, Raoof JB, Mohseni M, Bagheri Hashkavayi A. A signal-off aptasensor for the determination of Acinetobacter baumannii by using methylene blue as an electrochemical probe. Mikrochim Acta 2023; 190:308. [PMID: 37466698 DOI: 10.1007/s00604-023-05901-0] [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: 03/26/2023] [Accepted: 07/04/2023] [Indexed: 07/20/2023]
Abstract
An electrochemical aptasensor has been developed to detect Acinetobacter baumannii (A. baumannii). The proposed system was developed by modifying carbon screen-printed electrodes (CSPEs) with a synthesized MWCNT@Fe3O4@SiO2-Cl nanocomposite and then binding A. baumannii-specific aptamer using covalent immobilization on the modified electrode surface and the interaction of methylene blue (MB) with Apt as an electrochemical redox indicator. As a result of the incubation of the A. baumannii bacteria as a target on the proposed aptasensor, a cathodic peak current density (Jpc) of MB decreased due to the formation of the Apt-A. baumannii complex and MB being released from the immobilized Apt on the surface of the modified electrode. In addition to increasing the electron transfer kinetics, the nanocomposite provides a relatively stable matrix to improve the loading Apt sequence. The suggested aptasensor was demonstrated to be capable of detecting A. baumannii with a linear range of 10.0-1.0 × 107 colony-forming unit (CFU) mL-1 and a detection limit of 1 CFU mL-1 (S/N = 3) using differential pulse voltammetry (DPV) studies at a working potential of ~0.29 V and a scan rate of 100 mV s-1. The outcomes revealed that the aptasensor exhibited high A. baumannii detection sensitivity, stability, reproducibility, and specificity.
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Affiliation(s)
- Rokhsareh Abedi
- Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran
| | - Jahan Bakhsh Raoof
- Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran.
| | - Mojtaba Mohseni
- Department of Molecular and Cell Biology, University of Mazandaran, Babolsar, 47416-95447, Iran
| | - Ayemeh Bagheri Hashkavayi
- Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, 27606, USA
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Ghasemi L, Jahani S, Ghazizadeh M, Foroughi MM. A novel and ultrasensitive electrochemical DNA biosensor for pralatrexate detection. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:631-638. [PMID: 36651313 DOI: 10.1039/d2ay01909d] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
An attempt was made to develop a new sensitive biosensor for pralatrexate, as an anticancer drug, based on its interaction with the guanine of fish sperm DNA anchored on a screen-printed electrode (SPE) modified with polypyrrole (PP)/octahedral Pd-doped Co3O4 composite (Oh-Pd-doped Co3O4 C). Electrochemical techniques like differential pulse voltammetry verified the mechanism of such an interaction on the dsDNA/PP/Oh-Pd-doped Co3O4 C/SPE surface. A reduction in the peak current of guanine oxidation elucidated the interaction in acetate buffer with pH = 4.8. The optimization of response was performed for the interaction method according to potential, accumulation time, reproducibility and drug content. The linear dynamic range was estimated at 1.0 nM to 150.0 μM as well as a limit of detection as low as 0.61 nM for the DNA and pralatrexate concentrations. The practical potential of the proposed sensor was verified by determining pralatrexate in its pharmaceutical matrices.
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Affiliation(s)
- Leila Ghasemi
- Department of Chemistry, Islamic Azad University, Kerman Branch, Kerman, Iran.
| | - Shohreh Jahani
- Noncommunicable Diseases Research Center, Bam University of Medical Sciences, Bam, Iran
| | - Mahdiyeh Ghazizadeh
- Department of Chemistry, Islamic Azad University, Kerman Branch, Kerman, Iran.
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Pan Z, Guo H, Sun L, Liu B, Chen Y, Zhang T, Wang M, Peng L, Yang W. A novel electrochemical platform based on COF/La2O3/MWCNTS for simultaneous detection of dopamine and uric acid. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.128083] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Poly(aquachlorobis(1,10–phenanthroline)copper(II)iodidemonohydrate)/GCE for simultaneous determination of caffeine and theophylline in human serum, tea, and tablet samples. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2021.103458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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14
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Crapnell RD, Banks CE. Electroanalytical overview: The electroanalytical detection of theophylline. TALANTA OPEN 2021. [DOI: 10.1016/j.talo.2021.100037] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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15
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Lanthanum-Zinc Binary Oxide Nanocomposite with Promising Heterogeneous Catalysis Performance for the Active Conversion of 4-Nitrophenol into 4-Aminophenol. COATINGS 2021. [DOI: 10.3390/coatings11050537] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This work intended to enhance the unique and outstanding properties of lanthanum by synthesizing its nanocomposite. A lanthanum-based nanocomposite was prepared by a simple and cost-effective “co-precipitation” method. Lanthanum nitrate (La (NO3)3) and zinc nitrate (Zn (NO3)2) were used as precursors. The lanthanum/zinc oxide nano composite formed was then calcined at 450 °C for 4 h in order to obtain a fine powder with size in the nano range of 1–100 nm. Characterization of the prepared catalyst was done by ultraviolet/visible spectroscopy, Fourier transform infrared spectroscopy, and photoluminescence. Crystallinity and morphology were found by X-ray diffraction and scanning electron microscopy. The synthesized nanocomposite material was also tested for heterogeneous catalytic applications of 4-nitrophenol (4-NP) reduction into 4-aminophenol (4-AP). It was found to be successful in complete reduction of 4-NP with enhanced catalytic performance.
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Yin C, Zhuang Q, Xiao Q, Wang Y, Xie J. Electropolymerization of poly(methylene blue) on flower-like nickel-based MOFs used for ratiometric electrochemical sensing of total polyphenolic content in chrysanthemum tea. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:1154-1163. [PMID: 33595032 DOI: 10.1039/d1ay00028d] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
A ratiometric electrochemical sensor for caffeic acid (CAE) detection was constructed using a glassy carbon electrode modified with poly(methylene blue) and flower-like nickel-based metal organic frameworks (PMB@Ni-TPA/GCE). The electrochemical behavior of CAE was investigated at the PMB@Ni-TPA/GCE, and was found to follow a two-electron, two-proton electrooxidation process. PMB was used as the internal reference probe, and Ni-TPA can enhance the electrochemical signals of both CAE and PMB. As the CAE concentration increases, the oxidation peak current of CAE is enhanced but that of PMB keeps almost unchanged. The oxidation peak current ratio between CAE and PMB recorded by differential pulse voltammetry changes linearly with CAE concentration over the range of 0.25-15.0 μM, with a detection limit of 0.2 μM. The proposed sensor was successfully employed to evaluate the total polyphenolic content as CAE equivalent in chrysanthemum tea, and the results were comparable with those given by the reference Folin-Ciocalteu spectrophotometry.
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Affiliation(s)
- Chang Yin
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Qianfen Zhuang
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Qin Xiao
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Yong Wang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China. and College of Chemistry, Nanchang University, Nanchang 330031, China and Jiangxi Province Key Laboratory of Modern Analytical Science, Nanchang University, Nanchang 330031, China
| | - Jianhua Xie
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
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