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Hurkul MM, Cetinkaya A, Yayla S, Kaya SI, Budak F, Tok KC, Gumustas M, Uzun L, Ozkan SA. Highly selective and sensitive molecularly imprinted sensors for the electrochemical assay of quercetin in methanol extracts of Rubus sanctus and Fragaria vesca. Talanta 2024; 273:125883. [PMID: 38521023 DOI: 10.1016/j.talanta.2024.125883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 01/26/2024] [Accepted: 03/06/2024] [Indexed: 03/25/2024]
Abstract
Quercetin (QUE) is a powerful antioxidant and one of the common phenolic compounds found in plants, vegetables, and fruits, which has shown many pharmacological activities. The complex nature of the matrix in which QUE is found and its importance and potential uses in diverse applications force the researchers to develop selective and sensitive sensors. In the present work, a novel molecularly imprinted polymer (MIP)-based electrochemical sensor was fabricated for the selective and sensitive determination of the QUE in plant extracts and food supplements. Tryptophan methacrylate (TrpMA) was chosen as the functional monomer, whereas the photopolymerization (PP) method was applied using a glassy carbon electrode (GCE). Electrochemical and morphological characterizations of the developed sensor (TrpMA@QUE/MIP-GCE) were performed using cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and scanning electron microscopy (SEM). The linear range of the developed sensor was determined to be in the range of 1.0-25 pM, while the limit of detection (LOD) was calculated to be 0.235 pM. In conclusion, The TrpMA@QUE/MIP-GCE sensor might be classified as a promising platform for selective and sensitive determination of QUE not only in plant extracts but also in commercial food supplements because of its reliability, reproducibility, repeatability, stability, and fast response time.
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Affiliation(s)
- M Mesud Hurkul
- Ankara University, Faculty of Pharmacy, Department of Pharmaceutical Botany, Ankara, Turkiye
| | - Ahmet Cetinkaya
- Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkiye; Ankara University, Graduate School of Health Sciences, Ankara, Turkiye
| | - Seyda Yayla
- Ankara University, Faculty of Pharmacy, Department of Pharmaceutical Botany, Ankara, Turkiye; Ankara University, Graduate School of Health Sciences, Ankara, Turkiye
| | - S Irem Kaya
- University of Health Sciences, Gulhane Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkiye
| | - Fatma Budak
- Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkiye; Ankara University, Graduate School of Health Sciences, Ankara, Turkiye
| | - Kenan Can Tok
- Ankara University, Institute of Forensic Sciences, Department of Forensic Toxicology, Ankara, Turkiye
| | - Mehmet Gumustas
- Ankara University, Institute of Forensic Sciences, Department of Forensic Toxicology, Ankara, Turkiye
| | - Lokman Uzun
- Hacettepe University, Faculty of Science, Department of Chemistry, Ankara, Turkiye
| | - Sibel A Ozkan
- Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkiye.
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ERGEN N, HOŞBAŞ S, DELİORMAN ORHAN D, ASLAN M, SEZİK E, ATALAY A. Evaluation of the lifespan extension effects of several Turkish medicinal plants in Caenorhabditis elegans. Turk J Biol 2018; 42:163-173. [PMID: 30814878 PMCID: PMC6353296 DOI: 10.3906/biy-1711-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Research on longevity is important to both prolong lifespan and support healthy aging. Natural products are widely being utilized and used as new resources for drug molecules. Caenorhabditis elegans is an advantageous organism for longevity research and age-related diseases. In this study, we tested a number of plant extracts for their effects on C. elegans longevity. In lifespan assays, agesynchronized wild-type C. elegans specimens were treated with different concentrations of plant extracts. Plant extracts were prepared as either infusions or decoctions, similar to their traditional utilization. Hedera helix L. (Araliaceae) extended lifespan in worms in a concentration-dependent manner. The mean survival rates in the H. helix-treated groups were significantly higher, by 23.7% when applied at 1000 µg/mL, 16% when applied at 500 µg/mL, and 16% when applied at 250 µg/mL, compared to the control group. HPLC analysis identified chlorogenic acid as the major component of H. helix. Salvia verticillata L. (Lamiaceae) and Myrtus communis L. (Myrtaceae) treatments resulted in median lifespan extension. Maximum lifespan was extended in worms by Rubus sanctus Schreb. (Rosaceae) treatment. This study provided the first evidence demonstrating the possible lifespan-extending effects of a group of Turkish medicinal plants in an in vivo model, C. elegans.
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Affiliation(s)
- Nuri ERGEN
- Biotechnology Institute, Ankara University
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Ankara
,
Turkey
| | - Sanem HOŞBAŞ
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University
,
Ankara
,
Turkey
| | | | - Mustafa ASLAN
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University
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Ankara
,
Turkey
| | - Ekrem SEZİK
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University
,
Ankara
,
Turkey
| | - Arzu ATALAY
- Biotechnology Institute, Ankara University
,
Ankara
,
Turkey
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