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Essawy AA, Abdel-Farid IB. Hybrid solvothermal/sonochemical-mediated synthesis of ZnO NPs generative of OH radicals: Photoluminescent approach to evaluate OH scavenging activity of Egyptian and Yemeni Punica granatum arils extract. ULTRASONICS SONOCHEMISTRY 2022; 89:106152. [PMID: 36055013 PMCID: PMC9445396 DOI: 10.1016/j.ultsonch.2022.106152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 08/25/2022] [Accepted: 08/28/2022] [Indexed: 06/15/2023]
Abstract
Zinc oxide NPs were synthesized solvothermally within sonochemical mediation and characterized by XRD, FTIR, SEM, EDX, elemental mapping, TEM and UV-vis. spectrophotometry. To evaluate the hydroxyl radicals (OH) scavenging activity of arils extract of Egyptian (EGY-PAM) and Yemeni Punica granatum (YEM-PAM), the developed zinc oxide nano particles (ZnO NPs) as a highly productive source of hydroxyl radicals (under Solar-illumination) was used. The yield of OH was trapped and probed via fluorimetric monitoring. This suits the first sensitive/selective photoluminescent avenue to evaluate the OH scavenging activity. The high percentage of DPPH radical scavenging reflected higher contents of phenolics, flavonoids, and anthocyanins that were found in EGY-PAM and YEM-PAM. Although, some secondary metabolites contents were significantly different in EGY-PAM and YEM-PAM, the traditional DPPH radical scavenging methodology revealed insignificant IC50. Unlike, the developed fluorimetric probing, sensitively discriminated the OH scavenging activity with IC50 (105.7 µg/mL) and lower rate of OH productivity (k = 0.031 min-1) in case of EGY-PAM in comparison to IC50 (153.4 µg/mL) and higher rate of OH productivity (k = 0.053 min-1) for YEM-PAM. Our findings are interestingly superior to the TBHQ that is synthetic antioxidant. Moreover, our developed methodology for fluorimetric probing of OH radicals scavenging, recommends EGY-PAM as OH radicals scavenger for diabetic patients while YEM-PAM exhibited a better OH radicals scavenging appropriate for high blood pressure patients. More interestingly, EGY-PAM and YEM-PAM exhibited high anticancer potentiality. The aforementioned OH and DPPH scavenging activities as well as the anticancer potentiality present EGY-PAM and YEM-PAM as promising sources of natural antioxidants, that may have crucial roles in some chronic diseases such as diabetics and hypertension in addition to cancer therapeutic protocols.
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Affiliation(s)
- Amr A Essawy
- Chemistry Department, College of Science, Jouf University, Sakaka P.O. Box 2014, Saudi Arabia; Chemistry Department, Faculty of Science, Fayoum University, 63514 Fayoum, Egypt.
| | - Ibrahim B Abdel-Farid
- Biology Department, College of Science, Jouf University, Sakaka P.O. Box 2014, Saudi Arabia; Botany Department, Faculty of Science, Aswan University, Aswan, Egypt
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Bioactive and technological properties of an α-D-glucan synthesized by Weissella cibaria PDER21. Carbohydr Polym 2022; 285:119227. [DOI: 10.1016/j.carbpol.2022.119227] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/02/2022] [Accepted: 02/03/2022] [Indexed: 12/24/2022]
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Apak R, Calokerinos A, Gorinstein S, Segundo MA, Hibbert DB, Gülçin İ, Demirci Çekiç S, Güçlü K, Özyürek M, Çelik SE, Magalhães LM, Arancibia-Avila P. Methods to evaluate the scavenging activity of antioxidants toward reactive oxygen and nitrogen species (IUPAC Technical Report). PURE APPL CHEM 2021. [DOI: 10.1515/pac-2020-0902] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Abstract
This project was aimed to identify the quenching chemistry of biologically important reactive oxygen and nitrogen species (ROS/RNS, including radicals), to show antioxidant action against reactive species through H‐atom and electron transfer reactions, and to evaluate the ROS/RNS scavenging activity of antioxidants with existing analytical methods while emphasizing the underlying chemical principles and advantages/disadvantages of these methods. In this report, we focused on the applications and impact of existing assays on potentiating future research and innovations to evolve better methods enabling a more comprehensive study of different aspects of antioxidants and to provide a vocabulary of terms related to antioxidants and scavengers for ROS/RNS. The main methods comprise the scavenging activity measurement of the hydroxyl radical (•OH), dioxide(•1–) (O2
•–: commonly known as the superoxide radical), dihydrogen dioxide (H2O2: commonly known as hydrogen peroxide), hydroxidochlorine (HOCl: commonly known as hypochlorous acid), dioxidooxidonitrate(1–) (ONOO−: commonly known as the peroxynitrite anion), and the peroxyl radical (ROO•). In spite of the diversity of methods, there is currently a great need to evaluate the scavenging activity of antioxidant compounds in vivo and in vitro. In addition, there are unsatisfactory methods frequently used, such as non-selective UV measurement of H2O2 scavenging, producing negative errors due to incomplete reaction of peroxide with flavonoids in the absence of transition metal ion catalysts. We also discussed the basic mechanisms of spectroscopic and electrochemical nanosensors for measuring ROS/RNS scavenging activity of antioxidants, together with leading trends and challenges and a wide range of applications. This project aids in the identification of reactive species and quantification of scavenging extents of antioxidants through various assays, makes the results comparable and more understandable, and brings a more rational basis to the evaluation of these assays and provides a critical evaluation of existing ROS/RNS scavenging assays to analytical, food chemical, and biomedical/clinical communities by emphasizing the need for developing more refined, rapid, simple, and low‐cost assays and thus opening the market for a wide range of analytical instruments, including reagent kits and sensors.
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Affiliation(s)
- Reşat Apak
- Department of Chemistry , Istanbul University-Cerrahpaşa, Faculty of Engineering , Avcılar, 34320 Istanbul , Turkey
| | - Antony Calokerinos
- Department of Chemistry , National and Kapodistrian University of Athens, School of Sciences , Panepistimiopolis, 15771 Athens , Greece
| | - Shela Gorinstein
- The Hebrew University, Hadassah Medical School, School of Pharmacy, The Institute for Drug Research , Jerusalem , Israel
| | - Marcela Alves Segundo
- Department of Chemical Sciences , LAQV, REQUIMTE, Faculty of Pharmacy, University of Porto , Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto , Portugal
| | - David Brynn Hibbert
- New South Wales University, School of Chemistry , Sydney , NSW 2052 , Australia
| | - İlhami Gülçin
- Department of Chemistry , Faculty of Science, Atatürk University , Erzurum , Turkey
| | - Sema Demirci Çekiç
- Department of Chemistry , Istanbul University-Cerrahpaşa, Faculty of Engineering , Avcılar, 34320 Istanbul , Turkey
| | - Kubilay Güçlü
- Department of Chemistry , Adnan Menderes University, Faculty of Arts and Sciences , Aydın , Turkey
| | - Mustafa Özyürek
- Department of Chemistry , Istanbul University-Cerrahpaşa, Faculty of Engineering , Avcılar, 34320 Istanbul , Turkey
| | - Saliha Esin Çelik
- Department of Chemistry , Istanbul University-Cerrahpaşa, Faculty of Engineering , Avcılar, 34320 Istanbul , Turkey
| | - Luís M. Magalhães
- Department of Chemical Sciences , LAQV, REQUIMTE, Faculty of Pharmacy, University of Porto , Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto , Portugal
| | - Patricia Arancibia-Avila
- Departamento de Ciencias Básicas , Laboratorio de Ecofisiología y Microalgas, Universidad del Bio-Bio , Chillán , Chile
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Yücel N, İspirli H, Mercan E, Erdoğan Ü, Dertli E. Synthesis of alternan-stabilized zinc nanoparticles: morphological, thermal, antioxidant and antimicrobial characterization. Prep Biochem Biotechnol 2020; 51:331-339. [PMID: 32903155 DOI: 10.1080/10826068.2020.1815059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
This study aimed to synthesize zinc nanoparticles with antimicrobial and antioxidant activities using alternan (ZnNPs-Alt) produced by Lactobacillus reuteri E81 as the stabilizing agent. For the characterization of the ZnNPs-Alt, UV-vis spectroscopy, SEM, TEM and EDX analysis, XRD, FTIR and DSC analysis were applied. The functional role of ZnNPs-Alt was tested by determination of their antioxidant activities by DPPH and CUPRAC methodologies and their antibacterial and antifungal activities. Results of this study demonstrated that alternan was utilized as a successful stabilizer to produce crystalline, thermally stabile ZnNPs-Alt with a particle size of ∼ 100 nm. Importantly, strong antioxidant and antimicrobial activities were observed for ZnNPs-Alt in a concentration dependent manner. These findings confirmed the role of alternan as a stabilizing agent for the production of ZnNPs-Alt with functional roles.
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Affiliation(s)
- Nur Yücel
- Department of Food Engineering, Faculty of Engineering, Bayburt University, Bayburt, Turkey
| | - Hümeyra İspirli
- Central Research Laboratory, Bayburt University, Bayburt, Turkey
| | - Emin Mercan
- Department of Food Engineering, Faculty of Engineering, Bayburt University, Bayburt, Turkey
| | - Ümmügülsüm Erdoğan
- Department of Food Engineering, Faculty of Engineering, Bayburt University, Bayburt, Turkey
| | - Enes Dertli
- Food Engineering Department, Chemical and Metallurgical Engineering Faculty, Yıldız Technical University, İstanbul, Turkey
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Derbalah A, Sunday M, Kato R, Takeda K, Sakugawa H. Photoformation of reactive oxygen species and their potential to degrade highly toxic carbaryl and methomyl in river water. CHEMOSPHERE 2020; 244:125464. [PMID: 31790988 DOI: 10.1016/j.chemosphere.2019.125464] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 11/22/2019] [Accepted: 11/23/2019] [Indexed: 06/10/2023]
Abstract
Reactive oxygen species (ROS) including singlet oxygen (1O2) and hydroxylradicals (OH) photogenerated in natural waters play important roles in indirect photolysis of man-made pollutants. This study was conducted to investigate how the generation of these two ROS influences the degradation of two highly toxic insecticides (methomyl and carbaryl) in river water. To accomplish this, the reaction rate constants of 1O2 and OH with carbaryl and methomyl were determined; the degradation rate constants of the tested insecticides in ultrapure water (direct photolysis) and in river water in the presence and absence of 1O2 and OH scavengers were also measured. The rate constants for the reaction of OH with carbaryl and methomyl were found to be (14.8 ± 0.64) × 109 and (4.68 ± 0.52) × 109 M-1 s-1, respectively. The reaction rate constant of 1O2 with carbaryl (2.98 ± 0.10) × 105 M-1 s-1, was much higher than that of methomyl (<104 M-1 s-1). Indirect photolysis by OH accounted for 63% and 62%, while 1O2 accounted for 26% and 30% and direct photolysis accounted for 1.4% and 7% of methomyl and carbaryl degradation, respectively. The high degradation rate in river water demonstrated by both insecticides suggests that indirect photolysis mediated by OH is an important means of their degradation in river water. In addition, kinetic calculations of OH-mediated degradation rate constants of the compounds agrees with their experimentally-determined values thereby confirming the importance of OH towards their degradation.
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Affiliation(s)
- Aly Derbalah
- Graduate School of Biosphere Science, Hiroshima University, 1-7-1, Kagamiyama, Higashi-Hiroshima, Japan; Pesticides Chemistry and Toxicology Department, Faculty of Agriculture, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt
| | - Michael Sunday
- Graduate School of Biosphere Science, Hiroshima University, 1-7-1, Kagamiyama, Higashi-Hiroshima, Japan; Department of Chemistry, Federal University of Technology Akure, P.M.B 704, Ondo State, Nigeria
| | - Ryota Kato
- Graduate School of Biosphere Science, Hiroshima University, 1-7-1, Kagamiyama, Higashi-Hiroshima, Japan
| | - Kazuhiko Takeda
- Graduate School of Biosphere Science, Hiroshima University, 1-7-1, Kagamiyama, Higashi-Hiroshima, Japan
| | - Hiroshi Sakugawa
- Graduate School of Biosphere Science, Hiroshima University, 1-7-1, Kagamiyama, Higashi-Hiroshima, Japan.
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The CUPRAC-paper microzone plates as a simple and rapid method for total antioxidant capacity determination of plant extract. Eur Food Res Technol 2019. [DOI: 10.1007/s00217-019-03312-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Apak R, Demirci Çekiç S, Üzer A, Çelik SE, Bener M, Bekdeşer B, Can Z, Sağlam Ş, Önem AN, Erçağ E. Novel Spectroscopic and Electrochemical Sensors and Nanoprobes for the Characterization of Food and Biological Antioxidants. SENSORS (BASEL, SWITZERLAND) 2018; 18:E186. [PMID: 29324685 PMCID: PMC5796370 DOI: 10.3390/s18010186] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 12/25/2017] [Accepted: 01/03/2018] [Indexed: 02/01/2023]
Abstract
Since an unbalanced excess of reactive oxygen/nitrogen species (ROS/RNS) causes various diseases, determination of antioxidants that can counter oxidative stress is important in food and biological analyses. Optical/electrochemical nanosensors have attracted attention in antioxidant activity (AOA) assessment because of their increased sensitivity and selectivity. Optical sensors offer advantages such as low cost, flexibility, remote control, speed, miniaturization and on-site/in situ analysis. Electrochemical sensors using noble metal nanoparticles on modified electrodes better catalyze bioelectrochemical reactions. We summarize the design principles of colorimetric sensors and nanoprobes for food antioxidants (including electron-transfer based and ROS/RNS scavenging assays) and important milestones contributed by our laboratory. We present novel sensors and nanoprobes together with their mechanisms and analytical performances. Our colorimetric sensors for AOA measurement made use of cupric-neocuproine and ferric-phenanthroline complexes immobilized on a Nafion membrane. We recently designed an optical oxidant/antioxidant sensor using N,N-dimethyl-p-phenylene diamine (DMPD) as probe, from which ROS produced colored DMPD-quinone cationic radicals electrostatically retained on a Nafion membrane. The attenuation of initial color by antioxidants enabled indirect AOA estimation. The surface plasmon resonance absorption of silver nanoparticles as a result of enlargement of citrate-reduced seed particles by antioxidant addition enabled a linear response of AOA. We determined biothiols with Ellman reagent-derivatized gold nanoparticles.
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Affiliation(s)
- Reşat Apak
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
- Turkish Academy of Sciences (TUBA), Piyade Sok., No. 27, Cankaya, 06550 Ankara, Turkey.
| | - Sema Demirci Çekiç
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
| | - Ayşem Üzer
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
| | - Saliha Esin Çelik
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
| | - Mustafa Bener
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
| | - Burcu Bekdeşer
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
| | - Ziya Can
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
| | - Şener Sağlam
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
| | - Ayşe Nur Önem
- Department of Chemistry, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
| | - Erol Erçağ
- Aytar Cad., Fecri Ebcioglu Sok., No. 6/8, Levent, 34340 Istanbul, Turkey.
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Hydroxyl radical generation with a high power ultraviolet light emitting diode (UV-LED) and application for determination of hydroxyl radical reaction rate constants. J Photochem Photobiol A Chem 2017. [DOI: 10.1016/j.jphotochem.2017.02.020] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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9
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Mechanistic Investigation on ROS Resistance of Phosphorothioated DNA. Sci Rep 2017; 7:42823. [PMID: 28216673 PMCID: PMC5316992 DOI: 10.1038/srep42823] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 01/16/2017] [Indexed: 11/23/2022] Open
Abstract
Phosphorothioated DNA (PT-DNA) exhibits a mild anti-oxidant property both in vivo and in vitro. It was found that 8-OHdG and ROS levels were significantly lower in dnd+ (i.e. S+) E. coli., compared to a dnd− (i.e. S−) strain. Furthermore, different from traditional antioxidants, phosphorothioate compound presents an unexpectedly high capacity to quench hydroxyl radical. Oxidative product analysis by liquid chromatography-mass spectrometry and quantum mechanistic computation supported its unique anti-oxidant characteristic of the hydroxyl selectivity: phosphorothioate donates an electron to either hydroxyl radical or guanine radical derived from hydroxyl radical, leading to a PS• radical; a complex of PS• radical and OH− (i.e. the reductive product of hydroxyl radical) releases a highly reductive HS• radical, which scavenges more equivalents of oxidants in the way to high-covalent sulphur compounds such as sulphur, sulphite and sulphate. The PS-PO conversion (PS and PO denote phosphorus-sulphur and phosphorus-oxygen compounds, respectively) made a switch of extremely oxidative OH• to highly reductive HS• species, endowing PT-DNA with the observed high capacity in hydroxyl-radical neutralization. This plausible mechanism provides partial rationale as to why bacteria develop the resource-demanding PT modification on guanine-neighboring phosphates in genome.
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Labiadh H, Lahbib K, Hidouri S, Touil S, Chaabane TBEN. Insight of ZnS nanoparticles contribution in different biological uses. ASIAN PAC J TROP MED 2016; 9:757-62. [DOI: 10.1016/j.apjtm.2016.06.008] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Revised: 06/16/2016] [Accepted: 06/21/2016] [Indexed: 11/30/2022] Open
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Bener M, Özyürek M, Güçlü K, Apak R. Novel optical fiber reflectometric CUPRAC sensor for total antioxidant capacity measurement of food extracts and biological samples. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:8381-8388. [PMID: 23926895 DOI: 10.1021/jf402327x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
A novel fiber optic sensor was developed for screening the total antioxidant capacity (TAC) based on the use of cupric-neocuproine (Cu(II)-Nc) immobilized onto a Nafion cation-exchange membrane with reflectance spectrometric measurement. The reflectance change associated with the formation of the highly colored Cu(I)-Nc chelate on the membrane as a result of reaction with antioxidants was measured at 530 nm by using a miniature reflectance spectrometer. The calibration graph of trolox (TR) was linear with a slope of 3.40 × 10(3) L mol(-1) mm(-1). The limit of detection (LOD) and limit of quantification (LOQ) for TR in the reflectometric cupric reducing antioxidant capacity (CUPRAC) method were found as 0.53 and 1.76 μM, respectively. The trolox equivalent antioxidant capacities (TEAC) of various antioxidant compounds using the proposed method were comparable to those of the main CUPRAC assay. This assay was validated through linearity, additivity, precision, and recovery. The developed reflectance sensor was used to screen the TAC of some commercial fruit juices and mice tissue homogenates without preliminary treatment. The method is rapid, inexpensive, versatile, and nonlaborious, uses stable reagents on the sensor, and enables the in situ estimation of antioxidant capacity of food extracts and biological samples.
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Affiliation(s)
- Mustafa Bener
- Department of Chemistry, Faculty of Engineering, Istanbul University , Avcilar 34320, Istanbul, Turkey
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