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Qin X, Yin P, Zhang Y, Su M, Chen F, Xu X, Zhao J, Gui Y, Guo H, Zhao C, Zhang Z. Self-assembled ordered AuNRs-modified electrodes for simultaneous determination of dopamine and topotecan with improved data reproducibility. Mikrochim Acta 2024; 191:350. [PMID: 38806865 DOI: 10.1007/s00604-024-06441-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Accepted: 05/15/2024] [Indexed: 05/30/2024]
Abstract
Gold nanomaterials have been widely explored in electrochemical sensors due to their high catalytic property and good stability in multi-medium. In this paper, the reproducibility of the signal among batches of gold nanorods (AuNRs)-modified electrodes was investigated to improve the data stabilization and repeatability. Ordered and random self-assembled AuNRs-modified electrodes were used as electrochemical sensors for the simultaneous determination of dopamine (DA) and topotecan (TPC), with the aim of obtaining an improved signal stability in batches of electrodes and realizing the simultaneous determination of both substances. The morphology and structure of the assemblies were analyzed and characterized by UV-Vis spectra, scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray powder diffraction (XRD). Electrochemical studies showed that the ordered AuNRs/ITO electrodes have excellent signal reproducibility among several individuals due to the homogeneous mass transfer in the ordered arrangement of the AuNRs. Under the optimized conditions, the simultaneous detection results of DA and TPC showed good linearity in the ranges 1.75-45 μM and 1.5-40 μM, and the detection limits of DA and TPC were 0.06 μM and 0.17 μM, respectively. The results showed that the prepared ordered AuNR/ITO electrode had high sensitivity, long-term stability, and reproducibility for the simultaneous determination of DA and TPC, and it was expected to be applicable for real sample testing.
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Affiliation(s)
- Xiaoyun Qin
- School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450000, China
| | - Peijun Yin
- School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450000, China
| | - Yuhang Zhang
- School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450000, China
| | - Mingxing Su
- School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450000, China
| | - Fenghua Chen
- School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450000, China
| | - Xinru Xu
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
| | - Jianbo Zhao
- School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450000, China
| | - Yanghai Gui
- School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450000, China
| | - Huishi Guo
- School of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450000, China
| | - Chao Zhao
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
| | - Zhen Zhang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China.
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2
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Tajik S, Shams P, Beitollahi H, Garkani Nejad F. Electrochemical Nanosensor for the Simultaneous Determination of Anticancer Drugs Epirubicin and Topotecan Using UiO-66-NH 2/GO Nanocomposite Modified Electrode. BIOSENSORS 2024; 14:229. [PMID: 38785703 PMCID: PMC11117627 DOI: 10.3390/bios14050229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Revised: 04/17/2024] [Accepted: 04/22/2024] [Indexed: 05/25/2024]
Abstract
In this work, UiO-66-NH2/GO nanocomposite was prepared using a simple solvothermal technique, and its structure and morphology were characterized using field emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDS), and X-ray diffraction (XRD). An enhanced electrochemical sensor for the detection of epirubicin (EP) was proposed, which utilized a UiO-66-NH2/GO nanocomposite-modified screen-printed graphite electrode (UiO-66-NH2/GO/SPGE). The prepared UiO-66-NH2/GO nanocomposite improved the electrochemical performance of the SPGE towards the redox reaction of EP. Under optimized experimental conditions, this sensor demonstrates a remarkable limit of detection (LOD) of 0.003 µM and a linear dynamic range from 0.008 to 200.0 µM, providing a highly capable platform for sensing EP. Furthermore, the simultaneous electro-catalytic oxidation of EP and topotecan (TP) was investigated at the UiO-66-NH2/GO/SPGE surface utilizing differential pulse voltammetry (DPV). DPV measurements revealed the presence of two distinct oxidation peaks of EP and TP, with a peak potential separation of 200 mV. Finally, the UiO-66-NH2/GO/SPGE sensor was successfully utilized for the quantitative analysis of EP and TP in pharmaceutical injection, yielding highly satisfactory results.
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Affiliation(s)
- Somayeh Tajik
- Research Center of Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman 76169-13555, Iran
| | - Parisa Shams
- Department of Anatomical Sciences, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman 76169-13555, Iran;
| | - Hadi Beitollahi
- Environment Department, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman 76318-85356, Iran; (H.B.); (F.G.N.)
| | - Fariba Garkani Nejad
- Environment Department, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman 76318-85356, Iran; (H.B.); (F.G.N.)
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ERDEM A, ŞENTÜRK H, YILDIZ E, MARAL M, YILDIRIM A, BOZOĞLU A, KIVRAK B, AY NC. Electrochemical DNA biosensors developed for the monitoring of biointeractions with drugs: a review. Turk J Chem 2023; 47:864-887. [PMID: 38173734 PMCID: PMC10760829 DOI: 10.55730/1300-0527.3584] [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: 05/04/2023] [Revised: 10/31/2023] [Accepted: 09/30/2023] [Indexed: 01/05/2024] Open
Abstract
The interaction of drugs with DNA is important for the discovery of novel drug molecules and for understanding the therapeutic effects of drugs as well as the monitoring of side effects. For this reason, many studies have been carried out to investigate the interactions of drugs with nucleic acids. In recent years, a large number of studies have been performed to electrochemically detect drug-DNA interactions. The fast, sensitive, and accurate results of electrochemical techniques have resulted in a leading role for their implementation in this field. By means of electrochemical techniques, it is possible not only to demonstrate drug-DNA interactions but also to quantitatively analyze drugs. In this context, electrochemical biosensors for drug-DNA interactions have been examined under different headings including anticancer, antiviral, antibiotic, and central nervous system drugs as well as DNA-targeted drugs. An overview of the studies related to electrochemical DNA biosensors developed for the detection of drug-DNA interactions that were reported in the last two decades in the literature is presented herein along with their applications and they are discussed together with their future perspectives.
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Affiliation(s)
- Arzum ERDEM
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, İzmir,
Turkiye
| | - Huseyin ŞENTÜRK
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, İzmir,
Turkiye
| | - Esma YILDIZ
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, İzmir,
Turkiye
| | - Meltem MARAL
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, İzmir,
Turkiye
| | - Ayla YILDIRIM
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, İzmir,
Turkiye
| | - Aysen BOZOĞLU
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, İzmir,
Turkiye
| | - Burak KIVRAK
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, İzmir,
Turkiye
| | - Neslihan Ceren AY
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, İzmir,
Turkiye
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4
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Mehmandoust M, Tiris G, Pourhakkak P, Erk N, Soylak M, Kanberoglu GS, Zahmakiran M. An electrochemical sensing platform with a molecularly imprinted polymer based on chitosan-stabilized metal@metal-organic frameworks for topotecan detection. Mikrochim Acta 2023; 190:142. [PMID: 36933052 DOI: 10.1007/s00604-023-05722-1] [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] [Received: 12/13/2022] [Accepted: 02/28/2023] [Indexed: 03/19/2023]
Abstract
The present study aims to develop an electroanalytical method to determine one of the most significant antineoplastic agents, topotecan (TPT), using a novel and selective molecular imprinted polymer (MIP) method for the first time. The MIP was synthesized using the electropolymerization method using TPT as a template molecule and pyrrole (Pyr) as the functional monomer on a metal-organic framework decorated with chitosan-stabilized gold nanoparticles (Au-CH@MOF-5). The materials' morphological and physical characteristics were characterized using various physical techniques. The analytical characteristics of the obtained sensors were examined by cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and differential pulse voltammetry (DPV). After all characterizations and optimizing the experimental conditions, MIP-Au-CH@MOF-5 and NIP-Au-CH@MOF-5 were evaluated on the glassy carbon electrode (GCE). MIP-Au-CH@MOF-5/GCE indicated a wide linear response of 0.4-70.0 nM and a low detection limit (LOD) of 0.298 nM. The developed sensor also showed excellent recovery in human plasma and nasal samples with recoveries of 94.41-106.16 % and 95.1-107.0 %, respectively, confirming its potential for future on-site monitoring of TPT in real samples. This methodology offers a different approach to electroanalytical procedures using MIP methods. Moreover, the high sensitivity and selectivity of the developed sensor were illustrated by the ability to recognize TPT over potentially interfering agents. Hence, it can be speculated that the fabricated MIP-Au-CH@MOF-5/GCE may be utilized in a multitude of areas, including public health and food quality.
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Affiliation(s)
- Mohammad Mehmandoust
- Department of Life Sciences and Chemistry, Constructor University, 28719, Bremen, Germany.
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, 06560, Ankara, Turkey.
| | - Gizem Tiris
- Department of Analytical Chemistry, Faculty of Pharmacy, Bezmialem Vakif University, 34093, Istanbul, Turkey
| | | | - Nevin Erk
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, 06560, Ankara, Turkey.
| | - Mustafa Soylak
- Department of Chemistry, Faculty of Sciences, Erciyes University, 38039, Kayseri, Turkey
- Technology Research & Application Center (TAUM), Erciyes University, 38039, Kayseri, Turkey
- Turkish Academy of Sciences (TUBA), Cankaya, Ankara, Turkey
| | - Gulsah S Kanberoglu
- Department of Chemistry, Faculty of Science, Van Yuzuncu Yil University, Van, Turkey
| | - Mehmet Zahmakiran
- Department of Biotechnology, Faculty of Science, Bartin University, Bartin, Turkey
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5
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Chen D, Yu X, Qin Y, Liao ZY, Li T, Guo FF, Song KX, Yu RL, Xia YM, Gao WW. Electrochemical detection of DNA damage caused by novel potential 2-nitroimidazole naphthalimide-based hypoxia tumor-targeting agent with mimimum side effects. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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6
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Mehmandoust M, Uzcan F, Soylak M, Erk N. Dual-response electrochemical electrode for sensitive monitoring of topotecan and mitomycin as anticancer drugs in real samples. CHEMOSPHERE 2022; 291:132809. [PMID: 34785182 DOI: 10.1016/j.chemosphere.2021.132809] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/25/2021] [Accepted: 11/04/2021] [Indexed: 06/13/2023]
Abstract
This research paper employed an innovative electrochemical electrode to simultaneously determine topotecan (TPT) and mitomycin (MMC) as anticancer agents. For this purpose, a novel nanocomposite was synthesized using a hydrothermal procedure. The nanocomposites were characterized using FTIR, STEM, FESEM, mapping analysis, EDX, and XRD methods. The novelty of this work is the successful synthesis of Fe3O4 decorated on the surface of CuCo2S4 (Fe3O4@CuCo2S4) nanocomposites showed two separate anodic peaks at 0.8 V for TPT and 1.0 V for MMC with potential separation of 0.2 V. This was enough for the simultaneous electrochemical determination of topotecan and mitomycin on a glassy carbon electrode (GCE), simultaneously. At optimized conditions, the developed electrode exhibited linear responses with TPT and MMC concentration in the ranges of 0.01-0.89 and 0.89-8.95 μM for topotecan and 0.1-19.53 μM for mitomycin. The detection limits were observed as 6.94 nM and 80.00 nM for topotecan and mitomycin, respectively. The fabricated Fe3O4@CuCo2S4/GCE showed high sensitivity, long-term stability, and repeatability towards the sensing of TPT and MMC simultaneously and can be utilized in real samples. The obtained results confirmed that the fabricated Fe3O4@CuCo2S4/GCE nanocomposites can be utilize in the simultaneous electrochemical determination of topotecan and mitomycin in real samples.
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Affiliation(s)
- Mohammad Mehmandoust
- Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, 06560, Ankara, Turkey; Sakarya University, Biomaterials, Energy, Photocatalysis, Enzyme Technology, Nano & Advanced Materials, Additive Manufacturing, Environmental Applications, and Sustainability Research & Development Group (BIOENAMS R&D Group), 54187, Sakarya, Turkey.
| | - Furkan Uzcan
- Erciyes University, Faculty of Sciences, Department of Chemistry, 38039, Kayseri, Turkey; Technology Research & Application Center (TAUM), Erciyes University, 38039, Kayseri, Turkey
| | - Mustafa Soylak
- Erciyes University, Faculty of Sciences, Department of Chemistry, 38039, Kayseri, Turkey; Technology Research & Application Center (TAUM), Erciyes University, 38039, Kayseri, Turkey; Turkish Academy of Sciences (TUBA), Cankaya, Ankara, Turkey
| | - Nevin Erk
- Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, 06560, Ankara, Turkey; Sakarya University, Biomaterials, Energy, Photocatalysis, Enzyme Technology, Nano & Advanced Materials, Additive Manufacturing, Environmental Applications, and Sustainability Research & Development Group (BIOENAMS R&D Group), 54187, Sakarya, Turkey.
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7
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Karadurmus L, Dogan-Topal B, Kurbanoglu S, Shah A, Ozkan SA. The Interaction between DNA and Three Intercalating Anthracyclines Using Electrochemical DNA Nanobiosensor Based on Metal Nanoparticles Modified Screen-Printed Electrode. MICROMACHINES 2021; 12:mi12111337. [PMID: 34832748 PMCID: PMC8619472 DOI: 10.3390/mi12111337] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/26/2021] [Accepted: 10/27/2021] [Indexed: 11/16/2022]
Abstract
The screen-printed electrodes have gained increasing importance due to their advantages, such as robustness, portability, and easy handling. The manuscript presents the investigation of the interaction between double-strand deoxyribonucleic acid (dsDNA) and three anthracyclines: epirubicin (EPI), idarubicin (IDA), and doxorubicin (DOX) by differential pulse voltammetry on metal nanoparticles modified by screen-printed electrodes. In order to investigate the interaction, the voltammetric signals of dsDNA electroactive bases were used as an indicator. The effect of various metal nanomaterials on the signals of guanine and adenine was evaluated. Moreover, dsDNA/PtNPs/AgNPs/SPE (platinum nanoparticles/silver nanoparticles/screen-printed electrodes) was designed for anthracyclines–dsDNA interaction studies since the layer-by-layer modification strategy of metal nanoparticles increases the surface area. Using the signal of multi-layer calf thymus (ct)-dsDNA, the within-day reproducibility results (RSD%) for guanine and adenine peak currents were found as 0.58% and 0.73%, respectively, and the between-day reproducibility results (RSD%) for guanine and adenine peak currents were found as 1.04% and 1.26%, respectively. The effect of binding time and concentration of three anthracyclines on voltammetric signals of dsDNA bases were also evaluated. The response was examined in the range of 0.3–1.3 ppm EPI, 0.1–1.0 ppm IDA and DOX concentration on dsDNA/PtNPs/AgNPs/SPE. Electrochemical studies proposed that the interaction mechanism between three anthracyclines and dsDNA was an intercalation mode.
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Affiliation(s)
- Leyla Karadurmus
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara 06560, Turkey; (L.K.); (S.K.)
- Department of Analytical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman 02040, Turkey
| | - Burcu Dogan-Topal
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara 06560, Turkey; (L.K.); (S.K.)
- Correspondence: (B.D.-T.); (S.A.O.)
| | - Sevinc Kurbanoglu
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara 06560, Turkey; (L.K.); (S.K.)
| | - Afzal Shah
- Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan;
| | - Sibel A. Ozkan
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara 06560, Turkey; (L.K.); (S.K.)
- Correspondence: (B.D.-T.); (S.A.O.)
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8
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Electrochemical Sensor for Facile and Highly Selective Determination of Antineoplastic Agent in Real Samples Using Glassy Carbon Electrode Modified by 2D-MoS2 NFs/TiO2 NPs. Top Catal 2021. [DOI: 10.1007/s11244-021-01479-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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9
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Mao K, Zhang H, Pan Y, Yang Z. Biosensors for wastewater-based epidemiology for monitoring public health. WATER RESEARCH 2021; 191:116787. [PMID: 33421639 DOI: 10.1016/j.watres.2020.116787] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 12/17/2020] [Accepted: 12/23/2020] [Indexed: 06/12/2023]
Abstract
Public health is attracting increasing attention due to the current global pandemic, and wastewater-based epidemiology (WBE) has emerged as a powerful tool for monitoring of public health by analysis of a variety of biomarkers (e.g., chemicals and pathogens) in wastewater. Rapid development of WBE requires rapid and on-site analytical tools for monitoring of sewage biomarkers to provide immediate decision and intervention. Biosensors have been demonstrated to be highly sensitive and selective tools for the analysis of sewage biomarkers due to their fast response, ease-to-use, low cost and the potential for field-testing. This paper presents biosensors as effective tools for wastewater analysis of potential biomarkers and monitoring of public health via WBE. In particular, we discuss the use of sewage sensors for rapid detection of a range of targets, including rapid monitoring of community-wide illicit drug consumption and pathogens for early warning of infectious diseases outbreaks. Finally, we provide a perspective on the future use of the biosensor technology for WBE to enable rapid on-site monitoring of sewage, which will provide nearly real-time data for public health assessment and effective intervention.
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Affiliation(s)
- Kang Mao
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China
| | - Hua Zhang
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China.
| | - Yuwei Pan
- School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL, United Kingdom
| | - Zhugen Yang
- School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL, United Kingdom.
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10
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Janiszek D, Karpińska MM, Niewiadomy A, Kośmider A, Girstun A, Elzanowska H, Kulesza PJ. Differences in electrochemical response of prospective anticancer drugs IPBD and Cl-IPBD, doxorubicin and Vitamin C at plasmid modified glassy carbon. Bioelectrochemistry 2020; 137:107682. [PMID: 33160181 DOI: 10.1016/j.bioelechem.2020.107682] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 09/23/2020] [Accepted: 09/26/2020] [Indexed: 12/13/2022]
Abstract
For the comparison of the DNA interactions with drugs, two newly synthesized prospective anticancer drugs, 6-(1H-imidazo[4,5-b]phenasine-2-yl)benzene-1,3-diol (IPBD) and, its -Cl derivative (Cl-IPBD) have been compared with doxorubicin, a drug widely used in medicine, and with Vitamin C. These compounds were accumulated at a supercoiled scpUC19 plasmid layer formed on a glassy carbon electrode (GCE). Stability of the drug-plasmid/GCE layer was achieved by initial plasmid accumulation using prolonged potential cycling for ca. 200 min. from highly diluted scpUC19 solutions (8 pg/mL), followed by accumulation of the drugs from 1 µM - 50 µM. Electrochemical properties in terms of the redox potentials of the compounds and capacitative/resistive characteristics of the layers have been tested using, in sequence, four voltammetric methods: Square Wave (SWV), Differential Pulse (DPV) and Alternating Current (ACV) with phase detection 0° and 90°. Importantly, with progressive drug accumulation in the plasmid, for Cl-IPBD, but not for IPBD, an increase in peak (I) at -0.42 V vs. SCE was observed, while biological tests revealed a higher cytotoxic activity for Cl-IPBD vs. IPBD. Moreover, an additional redox signal of Cl-IPBD was observed with the compound reductive accumulation at the plasmid layer in the presence of Vitamin C.
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Affiliation(s)
- Dominika Janiszek
- University of Warsaw, Faculty of Chemistry, Pasteura 1, 02-093 Warsaw, Poland
| | - Monika M Karpińska
- Łukasiewicz Research Network - Institute of Industrial Organic Chemistry, Annopol 6, 03-236 Warsaw, Poland
| | - Andrzej Niewiadomy
- Łukasiewicz Research Network - Institute of Industrial Organic Chemistry, Annopol 6, 03-236 Warsaw, Poland
| | - Anita Kośmider
- Maria Skłodowska-Curie Institute-Oncology Centre, Department of Genetics, Roentgena 5, 02-781 Warsaw, Poland
| | - Agnieszka Girstun
- University of Warsaw, Faculty of Biology, Miecznikowa 1, 02-096 Warsaw, Poland
| | - Hanna Elzanowska
- University of Warsaw, Faculty of Chemistry, Pasteura 1, 02-093 Warsaw, Poland.
| | - Pawel J Kulesza
- University of Warsaw, Faculty of Chemistry, Pasteura 1, 02-093 Warsaw, Poland.
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11
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Bakirhan NK, Topal BD, Ozcelikay G, Karadurmus L, Ozkan SA. Current Advances in Electrochemical Biosensors and Nanobiosensors. Crit Rev Anal Chem 2020; 52:519-534. [DOI: 10.1080/10408347.2020.1809339] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Nurgul K. Bakirhan
- Department of Analytical Chemistry, Gulhane Faculty of Pharmacy, University of Health Sciences, Ankara, Turkey
| | - Burcu D. Topal
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
| | - Goksu Ozcelikay
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
| | - Leyla Karadurmus
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
- Department of Analytical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman, Turkey
| | - Sibel A. Ozkan
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
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12
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Wang P, Wang L, Peng Z, Fu Z. Flow microdialysis sampling-chemiluminescent detection coupled with molecular docking for the investigation of binding behavior between salbutamol and DNA. Talanta 2020; 208:120367. [PMID: 31816709 DOI: 10.1016/j.talanta.2019.120367] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 09/11/2019] [Accepted: 09/16/2019] [Indexed: 11/27/2022]
Abstract
The investigation of the binding behavior between drug and DNA provides basic information for understanding pharmacological and toxicologic mechanisms of many drugs. Herein, a facile chemiluminescent (CL) method for investigating the binding behavior between salbutamol and calf thymus DNA (ct-DNA) was established by utilizing flow microdialysis sampling technique. In a reaction equilibrium solution of salbutamol and ct-DNA, free salbutamol was extracted by a microdialysis probe, and then injected into a flow-injection CL detection system to quantitate its concentration. The binding constants of salbutamol acquired by Klotz analysis and Scatchard analysis were 2.97 × 104 M-1and 2.99 × 104 M-1, respectively. Salbutamol showed one sort of binding site on ct-DNA. Meanwhile, the three-dimensional spatial structure of the binding mode was investigated by molecular docking. The results indicate that the binding mode of salbutamol to ct-DNA was groove binding. The hydrogen bonds were primary driving force for the direct recognition of salbutamol by ct-DNA. This proof-of-principle method paves a pathway to investigate the binding behavior between small-molecular drug and DNA, and provides a theoretical guidance for designing DNA-targeting drugs.
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Affiliation(s)
- Pingshi Wang
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing, 400716, China
| | - Lin Wang
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing, 400716, China
| | - Zhihong Peng
- Gastroenterology Department, The First Affiliated Hospital of Army Medical University, Chongqing, 400038, China.
| | - Zhifeng Fu
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing, 400716, China.
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13
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Zhang Y, Zhao Y, Wu Y, Qi J, Li F, Kou J, Yu B. Ophiopogon Saponin C1 Inhibits Lung Tumors by Stabilizing Endothelium Permeability via Inhibition of PKCδ. Int J Biol Sci 2020; 16:396-407. [PMID: 32015677 PMCID: PMC6990896 DOI: 10.7150/ijbs.34978] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 11/12/2019] [Indexed: 11/13/2022] Open
Abstract
As the most frequent cause of cancer-related death worldwide, lung cancer is closely related to inflammation. The interaction between tumor cells and inflammatory cells promotes tumor development and metastasis. During tumor development, vascular endothelial cells form the most important barrier to prevent tumor cell migration to the blood and tissue. Increased vascular permeability provides favorable conditions for the migration of tumor cells, and endothelial tight junctions are an important component of the vascular barrier. Protein kinase C δ is involved in the occurrence of non-small cell lung cancer and regulates vascular permeability and tight junction protein expression. Src kinase was reported to play an important role in TNF-α-induced endothelial inflammation. Ophiopogon Saponin C1 is a new chemical compound isolated from Liriope muscari, but its pharmacological activities have not been fully elucidated. Therefore, we tested the protective effects of C1 on endothelial permeability in a model of TNF-α-induced endothelial inflammation by transendothelial electrical resistance and sodium fluorescein assays and verified these results in a nude mouse model of experimental pulmonary adenocarcinoma metastasis. We further elucidated the mechanism of C1, which was based on the PKCδ and Src proteins, by Western blotting. C1 can inhibit lung cancer in vivo, regulate the level of plasma inflammation in tumor-bearing mice, and protect the pulmonary vascular barrier against injury induced by cancer. It was investigated the expression and distribution of the TJ index protein ZO-1 in mouse vascular endothelium and HUVECs and found that C1 could inhibit the degradation and breakage of the ZO-1 protein. Related signaling experiments confirmed that C1 can inhibit TNF-α and activation of PKCδ and Src kinase. This study laid the foundation for further analysis of new drugs with clear mechanisms and independent intellectual property rights of traditional Chinese medicines.
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Affiliation(s)
| | | | | | | | | | - Junping Kou
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Longmian Road, Nanjing 211198, China
| | - Boyang Yu
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Longmian Road, Nanjing 211198, China
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14
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Shahzad S, Karadurmus L, Dogan‐Topal B, Taskin‐Tok T, Shah A, Ozkan SA. Sensitive Nucleic Acid Detection at NH
2
‐MWCNTs Modified Glassy Carbon Electrode and its Application for Monitoring of Gemcitabine‐DNA Interaction. ELECTROANAL 2019. [DOI: 10.1002/elan.201900597] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Suniya Shahzad
- Ankara University Faculty of Pharmacy, Department of Analytical Chemistry 06100 Tandogan-Ankara Turkey
- Department of Chemistry Quaid-i-Azam University 45320 Islamabad Pakistan
| | - Leyla Karadurmus
- Ankara University Faculty of Pharmacy, Department of Analytical Chemistry 06100 Tandogan-Ankara Turkey
- AdıyamanUniversity Faculty of Pharmacy, Department of Analytical Chemistry Adıyaman Turkey
| | - Burcu Dogan‐Topal
- Ankara University Faculty of Pharmacy, Department of Analytical Chemistry 06100 Tandogan-Ankara Turkey
| | - Tugba Taskin‐Tok
- Gaziantep University Faculty of Arts and Science, Department of Chemistry +9027310 Gaziantep Turkey
- Gaziantep University Institute of Health Sciences, Department of Bioinformatics and Computational Biology 27310 Gaziantep Turkey
| | - Afzal Shah
- Department of Chemistry Quaid-i-Azam University 45320 Islamabad Pakistan
- Department of Chemistry, College of Science University of Bahrain Sakhir 32038 Bahrain
| | - Sibel A. Ozkan
- Ankara University Faculty of Pharmacy, Department of Analytical Chemistry 06100 Tandogan-Ankara Turkey
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15
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A new electrochemical DNA biosensor based on modified carbon paste electrode using graphene quantum dots and ionic liquid for determination of topotecan. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104085] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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16
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Ghalkhani M, Bakirhan NK, Ozkan SA. Combination of Efficiency with Easiness, Speed, and Cheapness in Development of Sensitive Electrochemical Sensors. Crit Rev Anal Chem 2019; 50:538-553. [DOI: 10.1080/10408347.2019.1664281] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Masoumeh Ghalkhani
- Department of Chemistry, Faculty of Science, Shahid Rajaee Teacher Training University, Lavizan, Tehran, Iran
| | - Nurgul K. Bakirhan
- Department of Analytical Chemistry, Gulhane Faculty of Pharmacy, University of Health Science, Ankara, Turkey
| | - Sibel A. Ozkan
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
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17
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Althagafi II, Kassem MA, Awad MI. Enhanced Electrocatalytic Oxidation of Paracetamol at DNA Modified Gold Electrode. ELECTROANAL 2019. [DOI: 10.1002/elan.201900141] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Ismail I. Althagafi
- Chemistry Department, Faculty of Applied ScienceUmm Al-Qura University, Makkah Kingdom Saudi Arabia
| | - Mohammed A. Kassem
- Chemistry Department, Faculty of Applied ScienceUmm Al-Qura University, Makkah Kingdom Saudi Arabia
- Chemistry Department, Faculty of ScienceBenha University Benha 13518 Egypt
| | - Mohamed I. Awad
- Chemistry Department, Faculty of Applied ScienceUmm Al-Qura University, Makkah Kingdom Saudi Arabia
- Chemistry Department, Faculty of ScienceCairo University Cairo Egypt
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18
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De la Cruz Morales K, Alarcón‐Angeles G, Merkoçi A. Nanomaterial‐based Sensors for the Study of DNA Interaction with Drugs. ELECTROANAL 2019. [DOI: 10.1002/elan.201900286] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- K. De la Cruz Morales
- Universidad Autónoma Metropolitana-XochimilcoDepartamento de Sistemas Biológicos C.P. 04960 México City
| | - G. Alarcón‐Angeles
- Universidad Autónoma Metropolitana-XochimilcoDepartamento de Sistemas Biológicos C.P. 04960 México City
| | - A. Merkoçi
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST Campus UAB, Bellaterra 08193 Barcelona Spain
- ICREA – Catalan Institution for Research and Advanced Studies Barcelona 08010 Spain
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19
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Shahzad S, Dogan-Topal B, Karadurmus L, Caglayan MG, Taskin Tok T, Uslu B, Shah A, Ozkan SA. Electrochemical, spectroscopic and molecular docking studies on the interaction of calcium channel blockers with dsDNA. Bioelectrochemistry 2019; 127:12-20. [DOI: 10.1016/j.bioelechem.2018.12.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 12/17/2018] [Accepted: 12/18/2018] [Indexed: 12/19/2022]
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20
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Kurbanoglu S, Bakirhan NK, Gumustas M, Ozkan SA. Modern Assay Techniques for Cancer Drugs: Electroanalytical and Liquid Chromatography Methods. Crit Rev Anal Chem 2019; 49:306-323. [PMID: 30595027 DOI: 10.1080/10408347.2018.1527206] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In the past decades, patients who have chemotherapy treatment have considerably increased number. At this point, the development of rapid precise, and reliable methods are very important to analyze cancer drugs from their dosage forms, animals or human biological samples. Among all the analytical methods, electrochemical methods hold an important position with their unique properties such as specificity in the biological recognition process, fast response, and their reliability and do not need a pretreatment process. Chromatographic methods are also used in a wide range of analytical applications for the analyses of anticancer drugs. The power of chromatography comes from its ability to separate a mixture of analytes and determination of their concentrations. Chromatographic techniques can mainly be divided into gas, liquid, and supercritical fluid chromatography. In the frame of this information, this review is aimed to provide basic principles of electroanalytical and high-performance liquid chromatography methods for the analysis of cancer drugs. In addition, some selected applications for electrochemistry-related techniques and high-performance liquid chromatography, for the determination of anti-cancer pharmaceuticals published in the last five years are also discussed.
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Affiliation(s)
- Sevinc Kurbanoglu
- a Faculty of Pharmacy, Department of Analytical Chemistry , Ankara University , Ankara , Turkey
| | - Nurgul K Bakirhan
- b Faculty of Science and Art, Department of Chemistry , Hitit University , Çorum , Turkey
| | - Mehmet Gumustas
- c Department of Forensic Toxicology , Ankara University Institute of Forensic Sciences , Ankara , Turkey
| | - Sibel A Ozkan
- a Faculty of Pharmacy, Department of Analytical Chemistry , Ankara University , Ankara , Turkey
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21
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A novel nanocomposite based on gold nanoparticles loaded on acetylene black for electrochemical sensing of the anticancer drug topotecan in the presence of high concentration of uric acid. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.07.031] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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22
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Banasiak A, Cassidy J, Colleran J. A novel quantitative electrochemical method to monitor DNA double-strand breaks caused by a DNA cleavage agent at a DNA sensor. Biosens Bioelectron 2018; 117:217-223. [PMID: 29906769 DOI: 10.1016/j.bios.2018.05.058] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/22/2018] [Accepted: 05/31/2018] [Indexed: 12/12/2022]
Abstract
To date, DNA cleavage, caused by cleavage agents, has been monitored mainly by gel and capillary electrophoresis. However, these techniques are time-consuming, non-quantitative and require gel stains. In this work, a novel, simple and, importantly, a quantitative method for monitoring the DNA nuclease activity of potential anti-cancer drugs, at a DNA electrochemical sensor, is presented. The DNA sensors were prepared using thiol-modified oligonucleotides that self-assembled to create a DNA monolayer at gold electrode surfaces. The quantification of DNA double-strand breaks is based on calculating the DNA surface coverage, before and after exposure to a DNA cleavage agent. The nuclease properties of a model DNA cleavage agent, copper bis-phenanthroline ([CuII(phen)2]2+), that can cleave DNA in a Fenton-type reaction, were quantified electrochemically. The DNA surface coverage decreased on average by 21% after subjecting the DNA sensor to a nuclease assay containing [CuII(phen)2]2+, a reductant and an oxidant. This percentage indicates that 6 base pairs were cleaved in the nuclease assay from the immobilised 30 base pair strands. The DNA cleavage can be also induced electrochemically in the absence of a chemical reductant. [CuII(phen)2]2+ intercalates between DNA base pairs and, on application of a suitable potential, can be reduced to [CuI(phen)2]+, with dissolved oxygen acting as the required oxidant. This reduction process is facilitated through DNA strands via long-range electron transfer, resulting in DNA cleavage of 23%. The control measurements for both chemically and electrochemically induced cleavage revealed that DNA strand breaks did not occur under experimental conditions in the absence of [CuII(phen)2]2+.
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Affiliation(s)
- Anna Banasiak
- Applied Electrochemistry Group, Dublin Institute of Technology, FOCAS Institute, Camden Row, Dublin 8, Ireland
| | - John Cassidy
- Applied Electrochemistry Group, Dublin Institute of Technology, FOCAS Institute, Camden Row, Dublin 8, Ireland; School of Chemical and Pharmaceutical Sciences, Dublin Institute of Technology, Kevin Street, Dublin 8, Ireland
| | - John Colleran
- Applied Electrochemistry Group, Dublin Institute of Technology, FOCAS Institute, Camden Row, Dublin 8, Ireland; School of Chemical and Pharmaceutical Sciences, Dublin Institute of Technology, Kevin Street, Dublin 8, Ireland.
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23
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Kanat E, Eksin E, Karacicek B, Eraç Y, Erdem A. Electrochemical Detection of Interaction between Dacarbazine and Nucleic Acids in Comparison to Agarose Gel Electrophoresis. ELECTROANAL 2018. [DOI: 10.1002/elan.201800064] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Erkin Kanat
- Analytical Chemistry Department, Faculty of Pharmacy; Ege University; 35100 Izmir Turkey
- Biotechnology Department; Graduate School of Natural and Applied Science
| | - Ece Eksin
- Analytical Chemistry Department, Faculty of Pharmacy; Ege University; 35100 Izmir Turkey
- Biotechnology Department; Graduate School of Natural and Applied Science
| | | | | | - Arzum Erdem
- Analytical Chemistry Department, Faculty of Pharmacy; Ege University; 35100 Izmir Turkey
- Biotechnology Department; Graduate School of Natural and Applied Science
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24
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Unal DN, Eksin E, Erdem A. Electrochemical Determination of 6-Thioguanine and Its Interaction with DNA Oligonucleotides Using Disposable Graphite Pencil Electrodes. ANAL LETT 2017. [DOI: 10.1080/00032719.2017.1338714] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Didem Nur Unal
- Faculty of Pharmacy, Analytical Chemistry Department, Ege University, Izmir, Turkey
| | - Ece Eksin
- Faculty of Pharmacy, Analytical Chemistry Department, Ege University, Izmir, Turkey
| | - Arzum Erdem
- Faculty of Pharmacy, Analytical Chemistry Department, Ege University, Izmir, Turkey
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25
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Zheng R, Zhong J, Zhao C, Lang X, Hu Z, Luo J. An ultrasensitive electrochemiluminescent sensor based on a pencil graphite electrode modified with CdS nanorods for detection of chlorogenic acid in honeysuckle. LUMINESCENCE 2016; 32:806-811. [PMID: 27995761 DOI: 10.1002/bio.3255] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Revised: 08/31/2016] [Accepted: 10/19/2016] [Indexed: 12/26/2022]
Abstract
In this paper, a novel and ultrasensitive electrochemiluminescent sensor employing a solvothermal-synthesized CdS nanorod-modified pencil graphite electrode (CdS/PGE) for the determination of chlorogenic acid (CA) is fabricated. In the first step, the PGE surface is modified using CdS nanorods. In the next step, the developed electrode is used to detect CA using a electrochemiluminescent (ECL) technique, in which potassium persulfate (K2 S2 O8 ) served as a co-reactant. The possible ECL mechanism is investigated, and the influences of pH and cyclic voltammetric scanning rate on the signal response are studied. The ECL intensity decreases quantitatively in relation to the concentration of the target molecule. Under optimized conditions, the linear correlation between the quenched ECL intensity and the logarithm of CA concentration is observed in the range from 2 × 10-9 to 8 × 10-7 mol L-1 with a limit of detection of 1 × 10-9 mol L-1 . This proposed method is applied to the analysis of CA in honeysuckle flower, giving recoveries of 99-107%. The experimental results demonstrate that this ECL sensor shows good stability and reproducibility.
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Affiliation(s)
- Ruijuan Zheng
- College of Chemistry and Materials Science, Longyan University, Longyan, China
| | - Jianhai Zhong
- Longyan Entry-Exit Inspection and Quarantine Bureau, Longyan, China
| | - Chenhao Zhao
- College of Chemistry and Materials Science, Longyan University, Longyan, China
| | - Xiaoling Lang
- College of Chemistry and Materials Science, Longyan University, Longyan, China
| | - Zhibiao Hu
- College of Chemistry and Materials Science, Longyan University, Longyan, China
| | - Jiangshui Luo
- Lab of Proton conductors, Longyan University, Longyan, Fujian, 364012, China
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26
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Top M, Er O, Congur G, Erdem A, Lambrecht FY. Intracellular uptake study of radiolabeled anticancer drug and impedimetric detection of its interaction with DNA. Talanta 2016; 160:157-163. [DOI: 10.1016/j.talanta.2016.06.058] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Revised: 06/22/2016] [Accepted: 06/24/2016] [Indexed: 12/13/2022]
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27
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Phase Transition Detection in Accumulation of a Potential Anticancer Drug Cl-IPBD with DNA: Supercoiled and Linear pUC19 Plasmids. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.05.159] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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28
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Kurbanoglu S, Dogan-Topal B, Rodriguez EP, Bozal-Palabiyik B, Ozkan SA, Uslu B. Advances in electrochemical DNA biosensors and their interaction mechanism with pharmaceuticals. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2016.05.022] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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29
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Fojta M, Daňhel A, Havran L, Vyskočil V. Recent progress in electrochemical sensors and assays for DNA damage and repair. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2015.11.018] [Citation(s) in RCA: 98] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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30
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Biosensing of naringin in marketed fruits and juices based on its interaction with DNA. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2015. [DOI: 10.1007/s13738-015-0707-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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31
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Congur G, Plucnara M, Erdem A, Fojta M. Detection of p53 Gene by Using Genomagnetic Assay Combined with Carbon Nanotube Modified Disposable Sensor Technology. ELECTROANAL 2015. [DOI: 10.1002/elan.201400731] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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32
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NG KL, LEE SM, KHOR SM, TAN GH. Electrochemical Preparation and Characterization of a Gold Nanoparticles Graphite Electrode: Application to Myricetin Antioxidant Analysis. ANAL SCI 2015; 31:1075-81. [DOI: 10.2116/analsci.31.1075] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Khan Loon NG
- Department of Chemistry, Faculty of Science, University of Malaya
| | - See Mun LEE
- Department of Chemistry, Faculty of Science, University of Malaya
| | - Sook Mei KHOR
- Department of Chemistry, Faculty of Science, University of Malaya
| | - Guan Huat TAN
- Department of Chemistry, Faculty of Science, University of Malaya
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33
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Bal-Demirci T, Congur G, Erdem A, Erdem-Kuruca S, Özdemir N, Akgün-Dar K, Varol B, Ülküseven B. Iron(iii) and nickel(ii) complexes as potential anticancer agents: synthesis, physicochemical and structural properties, cytotoxic activity and DNA interactions. NEW J CHEM 2015. [DOI: 10.1039/c5nj00594a] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The iron complex 3 was cytotoxic at low concentrations in K562 cells and could damage the DNA, specifically the adenine base.
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Affiliation(s)
- Tülay Bal-Demirci
- Department of Chemistry
- Engineering Faculty
- İstanbul University
- İstanbul
- Turkey
| | - Gulsah Congur
- Ege University
- Faculty of Pharmacy
- Analytical Chemistry Department
- İzmir
- Turkey
| | - Arzum Erdem
- Ege University
- Faculty of Pharmacy
- Analytical Chemistry Department
- İzmir
- Turkey
| | - Serap Erdem-Kuruca
- Department of Physiology
- İstanbul Medical Faculty
- İstanbul University
- İstanbul
- Turkey
| | - Namık Özdemir
- Department of Physics
- Faculty of Arts and Sciences
- Ondokuz Mayıs University
- Samsun
- Turkey
| | - Kadriye Akgün-Dar
- Department of Biology
- İstanbul Science Faculty
- İstanbul University
- İstanbul
- Turkey
| | - Başak Varol
- Department of Biophysic
- İstanbul Medical Faculty
- İstanbul University
- İstanbul
- Turkey
| | - Bahri Ülküseven
- Department of Chemistry
- Engineering Faculty
- İstanbul University
- İstanbul
- Turkey
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