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Duhan J, Kumar H, Obrai S. Recent Advances in Nanomaterials Based Optical Sensors for the Detection of Melatonin and Serotonin. J Fluoresc 2024:10.1007/s10895-024-03647-3. [PMID: 38436821 DOI: 10.1007/s10895-024-03647-3] [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: 01/26/2024] [Accepted: 02/26/2024] [Indexed: 03/05/2024]
Abstract
In this review paper we discussed the detection of melatonin and serotonin by using various optical methods. Melatonin and serotonin are very necessary body hormones these are also called neuroregulatory hormones secreted by pineal gland in brain by pinealocytes and shape of pineal gland is cone like. Sensitive detection of melatonin and serotonin in pharmacological samples and human serum is crucial for human beings, lots of research publications available in literature for melatonin and serotonin and we overviewed these papers. We have deeply reviewed many research papers where sensitively sensing of melatonin and serotonin occurs, by using of various interfering agents and nanomaterials. This review aims presenting colorimetry, fluorometry and spectrophotometric detection of melatonin (MEL) and serotonin (SER) by using different metal oxides, carbon nanomaterials (nanosheets, nanorods, nanofibers) and many other agents. Nanomaterials typically possess favourable optical, electrical and mechanical characteristics, they provide up new avenues for enhancing the efficacy of sensors. It is crucial to provide an optical sensors platform that is dependable, sensitive and low price. The development of sensors and biosensors to use nanomaterials for neurotransmitters has advanced significantly in recent years. There are currently many developing biomarkers in biological fluids, and bionanomaterial-based biosensor systems, as well as clinical and pharmacological settings, have garnered significant interest. Biomarkers have been found using optical devices in a quick, selective and sensitive manner. Our aim is to compile all the data that already published on MEL, SER sensing and comparison of each method, we mainly focused on principle, observations, sensitivity, selectivity, limit of detection, mechanism behind the reaction, effect of temperature, pH and concentration. In the last of this paper, we discuss some challenges of these methods and future projects.
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Affiliation(s)
- Jyoti Duhan
- Dr BR Ambedkar national institute of technology, Jalandhar, Punjab, India
| | - Himanshu Kumar
- Dr BR Ambedkar national institute of technology, Jalandhar, Punjab, India
| | - Sangeeta Obrai
- Dr BR Ambedkar national institute of technology, Jalandhar, Punjab, India.
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André C, Turgeon S, Peyrot C, Wilkinson KJ, Auclair J, Ménard N, Gagné F. Comparative toxicity of micro and nanopolystyrene particles in Mya arenaria clams. MARINE POLLUTION BULLETIN 2023; 192:115052. [PMID: 37257412 DOI: 10.1016/j.marpolbul.2023.115052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/03/2023] [Accepted: 05/07/2023] [Indexed: 06/02/2023]
Abstract
The contamination of coastal marine environments by plastics of sizes ranging from mm down to the nanoscale (nm) could pose a threat to aquatic organisms. The purpose of this study was to examine the toxicity of polystyrene nanoparticles (PsNP) of various sizes (50, 100 and 1000 nm) to the marine clams Mya arenaria. Clams were exposed to concentrations of PsPP for 7 days at 15 °C and analyzed for uptake/transformation, changes in energy metabolism, oxidative stress, genotoxicity and circadian neural activity. The results revealed that PsNP accumulated in the digestive gland was 50 nm > 100 nm > 1000 nm. All sized increased oxidative stress as follows: 50 nm (peroxidase, antioxidant potential and LPO), 100 nm (LPO and antioxidant potential) and 1000 nm (LPO). Tissue damage was also size dependent by increasing genotoxicity. The 100 nm PsPP altered the levels of the circadian metabolite melatonin. We conclude that the toxicity of plastics is size dependent in clams.
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Affiliation(s)
- Chantale André
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, 105 McGill, Montréal, QC H2Y 2E7, Canada
| | - Samuel Turgeon
- Parks Canada, Saguenay-St. Lawrence Marine Park, 182, Rue de l'Église, Tadoussac, QC G0T 2A0, Canada
| | - Caroline Peyrot
- Chemistry Department, Montreal University, Montréal, Québec H2V 2B8, Canada
| | | | - Joëlle Auclair
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, 105 McGill, Montréal, QC H2Y 2E7, Canada
| | - Nadia Ménard
- Parks Canada, Saguenay-St. Lawrence Marine Park, 182, Rue de l'Église, Tadoussac, QC G0T 2A0, Canada
| | - François Gagné
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, 105 McGill, Montréal, QC H2Y 2E7, Canada.
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Amjadi S, Akhoundian M, Alizadeh T. A simple method for melatonin determination in the presence of high levels of tryptophan using an unmodified carbon paste electrode and square wave anodic stripping voltammetry. ELECTROANAL 2022. [DOI: 10.1002/elan.202200210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Somayeh Amjadi
- University of Mohaghegh Ardabili Faculty of Basic Sciences IRAN (THE ISLAMIC REPUBLIC OF)
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Afshar EA, Taher MA, Karimi F, Karaman C, Moradi O. Ultrasensitive and highly selective "turn-on" fluorescent sensor for the detection and measurement of melatonin in juice samples. CHEMOSPHERE 2022; 295:133869. [PMID: 35134401 DOI: 10.1016/j.chemosphere.2022.133869] [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: 11/08/2021] [Revised: 01/31/2022] [Accepted: 02/02/2022] [Indexed: 06/14/2023]
Abstract
Melatonin (MLT), a hormone related to the regulation of brain functions, is directly related to sleep quality and is considered to be a possible adjuvant therapy for patients needing hospitalization for coronavirus disease 2019 pneumonia, and accurate measurement of MLT is crucial. Herein, a new, highly sensitive, and easy operation fluorescent probe was provided based on Zr metal-organic framework encapsulation into the molecularly imprinted polymer (MOF@MIP). By combining unique properties of MIP and fluorescent MOF, selectivity and operation of the applied method were significantly improved. Different characterization methods, such as XRD, FT-IR, and FE-SEM, were used to confirm the synthesis reliability. MOF@MIP was successfully used for the precise identification and ultrasensitive detection for trace amounts of MLT. The detection mechanism for the analytical system is based on the ''turn-on'' fluorescence (FL) signal in 404 nm. The findings proved that it is possible to detect trace amounts of MLT in real samples including grape, cherry, and sour cherry juice. The linear range and the limit of detection (LOD) for trace amounts of MLT were obtained as 1-100 ng/mL and 0.18 ng/mL, respectively.
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Affiliation(s)
- Elham Ashrafzadeh Afshar
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman, Iran; Young Research Societies, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Mohammad Ali Taher
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman, Iran.
| | - Fatemeh Karimi
- Department of Chemical Engineering, Quchan University of Technology, Quchan, 9477177870, Iran
| | - Ceren Karaman
- Department of Electricity and Energy, Akdeniz University, Antalya, Turkey
| | - Omid Moradi
- Department of Chemistry, Shahr-E-Qods Branch, Islamic Azad University, Tehran, Iran
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Moser D, Hussain S, Rainer M, Jakschitz T, Bonn GK. A validated method for the rapid quantification of melatonin in over-the-counter hypnotics by the atmospheric pressure solid analysis probe (ASAP). ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:1603-1610. [PMID: 35383798 DOI: 10.1039/d2ay00352j] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Melatonin is a hormone that regulates the biological day and night cycle. It is mainly produced by the pineal gland during the night. People suffering from insomnia use it as a soporific drug. The aim of this study was to develop a method for the rapid quantification of melatonin in hypnotics. For that purpose, atmospheric pressure solid analysis probe-assisted mass spectrometry was applied, where no chromatographic separation is needed. Thereby, one single analysis takes less than 1 min. Reference measurements were performed with ultra-high-performance liquid chromatography coupled with a quadrupole-time-of-flight mass spectrometer. Both methods were validated and real sample extracts were tested. The coefficients of determination were above 0.97 for both methods. The limits of detection and quantification were below 1 mg kg-1. Both methods gave comparable results. Moreover, the content of melatonin differed from the specified value in many samples. The highest and lowest observed deviations were 78% and 1%, respectively.
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Affiliation(s)
- Daniel Moser
- ADSI-Austrian Drug Screening Institute GmbH, Innrain 66a, 6020 Innsbruck, Austria
- Institute of Analytical Chemistry and Radiochemistry, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
| | - Shah Hussain
- ADSI-Austrian Drug Screening Institute GmbH, Innrain 66a, 6020 Innsbruck, Austria
| | - Matthias Rainer
- Institute of Analytical Chemistry and Radiochemistry, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
| | - Thomas Jakschitz
- ADSI-Austrian Drug Screening Institute GmbH, Innrain 66a, 6020 Innsbruck, Austria
| | - Günther K Bonn
- ADSI-Austrian Drug Screening Institute GmbH, Innrain 66a, 6020 Innsbruck, Austria
- Institute of Analytical Chemistry and Radiochemistry, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
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Lete C, López-Iglesias D, García-Guzmán JJ, Leau SA, Stanciu AE, Marin M, Palacios-Santander JM, Lupu S, Cubillana-Aguilera L. A Sensitive Electrochemical Sensor Based on Sonogel-Carbon Material Enriched with Gold Nanoparticles for Melatonin Determination. SENSORS (BASEL, SWITZERLAND) 2021; 22:120. [PMID: 35009659 PMCID: PMC8747361 DOI: 10.3390/s22010120] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/20/2021] [Accepted: 12/23/2021] [Indexed: 12/14/2022]
Abstract
In this work, the development of an electrochemical sensor for melatonin determination is presented. The sensor was based on Sonogel-Carbon electrode material (SNGCE) and Au nanoparticles (AuNPs). The low-cost and environmentally friendly SNGCE material was prepared by the ultrasound-assisted sonogel method. AuNPs were prepared by a chemical route and narrow size distribution was obtained. The electrochemical characterization of the SNGCE/AuNP sensor was carried out by cyclic voltammetry in the presence of a redox probe. The analytical performance of the SNGCE/AuNP sensor in terms of linear response range, repeatability, selectivity, and limit of detection was investigated. The optimized SNGCE/AuNP sensor displayed a low detection limit of 8.4 nM melatonin in synthetic samples assessed by means of the amperometry technique. The potential use of the proposed sensor in real sample analysis and the anti-matrix capability were assessed by a recovery study of melatonin detection in human peripheral blood serum with good accuracy.
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Affiliation(s)
- Cecilia Lete
- Electrochemistry-Corrosion Department, Institute of Physical Chemistry “Ilie Murgulescu” of the Romanian Academy, 202 Splaiul Independentei, 022328 Bucharest, Romania; (S.-A.L.); (M.M.)
| | - David López-Iglesias
- Department of Analytical Chemistry, Faculty of Sciences, Campus de Excelencia Internacional del Mar (CEIMAR), Institute of Research on Electron Microscopy and Materials (IMEYMAT), University of Cadiz, República Saharaui, S/N. Puerto Real, 11510 Cadiz, Spain; (D.L.-I.); (J.J.G.-G.); (J.M.P.-S.); (L.C.-A.)
| | - Juan José García-Guzmán
- Department of Analytical Chemistry, Faculty of Sciences, Campus de Excelencia Internacional del Mar (CEIMAR), Institute of Research on Electron Microscopy and Materials (IMEYMAT), University of Cadiz, República Saharaui, S/N. Puerto Real, 11510 Cadiz, Spain; (D.L.-I.); (J.J.G.-G.); (J.M.P.-S.); (L.C.-A.)
| | - Sorina-Alexandra Leau
- Electrochemistry-Corrosion Department, Institute of Physical Chemistry “Ilie Murgulescu” of the Romanian Academy, 202 Splaiul Independentei, 022328 Bucharest, Romania; (S.-A.L.); (M.M.)
- Department of Analytical Chemistry and Environmental Engineering, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, 1-7 Polizu Gh. Street, 011061 Bucharest, Romania
| | - Adina Elena Stanciu
- Department of Carcinogenesis and Molecular Biology, Institute of Oncology Bucharest, 252 Fundeni, 022328 Bucharest, Romania;
| | - Mariana Marin
- Electrochemistry-Corrosion Department, Institute of Physical Chemistry “Ilie Murgulescu” of the Romanian Academy, 202 Splaiul Independentei, 022328 Bucharest, Romania; (S.-A.L.); (M.M.)
| | - José Maria Palacios-Santander
- Department of Analytical Chemistry, Faculty of Sciences, Campus de Excelencia Internacional del Mar (CEIMAR), Institute of Research on Electron Microscopy and Materials (IMEYMAT), University of Cadiz, República Saharaui, S/N. Puerto Real, 11510 Cadiz, Spain; (D.L.-I.); (J.J.G.-G.); (J.M.P.-S.); (L.C.-A.)
| | - Stelian Lupu
- Department of Analytical Chemistry and Environmental Engineering, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, 1-7 Polizu Gh. Street, 011061 Bucharest, Romania
| | - Laura Cubillana-Aguilera
- Department of Analytical Chemistry, Faculty of Sciences, Campus de Excelencia Internacional del Mar (CEIMAR), Institute of Research on Electron Microscopy and Materials (IMEYMAT), University of Cadiz, República Saharaui, S/N. Puerto Real, 11510 Cadiz, Spain; (D.L.-I.); (J.J.G.-G.); (J.M.P.-S.); (L.C.-A.)
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Azimi M, Manzoori JL, Amjadi M, Abolhasani J. A Simple and Novel Sensor for the Determination of Acetamiprid Based on Its Reducing Effect on the Chemiluminescence of S, N-CQDs in CH 3CN-H 2O 2 System. ANAL SCI 2021; 37:1681-1685. [PMID: 33896882 DOI: 10.2116/analsci.21p108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A simple and novel method for the determination of acetamiprid in water samples is suggested. The method is based on the reducing effect of acetamiprid on the chemiluminescence intensity of new sulfur and nitrogen co-doped carbon dots (S, N-CQDs) in an acetonitrile-hydrogen peroxide (CH3CN-H2O2) system. The possible mechanism was investigated, and it was found that S, N-CQDs react with (1O2)2*, produced from the CH3CN-H2O2 reaction, leading to excited state S, N-CQDs, which deactivate to the ground state by photon emission. Acetamiprid diminishes the chemiluminescence (CL) intensity by competing with S, N-CQDs. The CL intensity reduction is proportional to the concentration of acetamiprid. S, N-CQDs were easily prepared by a hydrothermal method. Under the optimal conditions, a linear range of 2.5 - 25.0 μg L-1 with a detection limit (3σ) of 0.4 μg L-1 was obtained. This method was successfully applied to the determination of trace amounts of residual pesticides in water samples.
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Affiliation(s)
- Mitra Azimi
- Department of Chemistry, Tabriz Branch, Islamic Azad University
| | - Jamshid L Manzoori
- Department of Chemistry, Tabriz Branch, Islamic Azad University.,Department of Analytical Chemistry, University of Tabriz
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Azimi M, Manzoori JL, Amjadi M, Abolhasani J. Determination of Deltamethrin in Water Samples Using Sulfur and Nitrogen Co-Doped Carbon Quantum Dots as a Chemiluminescence Probe. JOURNAL OF ANALYTICAL CHEMISTRY 2021. [DOI: 10.1134/s1061934821100026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Zhang D, Gong C, Wang J, Xing D, Zhao L, Li D, Zhang X. Unravelling Melatonin's Varied Antioxidizing Protection of Membrane Lipids Determined by its Spatial Distribution. J Phys Chem Lett 2021; 12:7387-7393. [PMID: 34328330 DOI: 10.1021/acs.jpclett.1c01965] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The antioxidizing capability of membrane antioxidants is strongly affected by the submolecular regions of the membrane that they locate. However, the concurrent determination of their location in the membranes and the consequent antioxidizing effect remains difficult. Using our field-induced droplet ionization mass spectrometry methodology, here we show the rapid determination of the antioxidation effect and the spatial distribution of melatonin in POPC membranes. Melatonin effectively protects the membrane lipids against hydroxyl radicals originating from the Fenton reactions in the water phase but cannot protect the lipids against singlet oxygen generated by a lipophilic photosensitizer in the lipid tail region (oil phase). These varied antioxidizing behaviors indicate that melatonin dwells at the headgroup subregion of the membranes. We anticipate that the methodology in this study can be widely utilized in the screening of antioxidants' spatial distribution and antioxidizing efficiency, and eventually in designing novel antioxidants that could deliver specific functions.
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Affiliation(s)
- Dongmei Zhang
- College of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center (ReCAST), Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Chu Gong
- College of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center (ReCAST), Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Jie Wang
- College of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center (ReCAST), Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Dong Xing
- College of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center (ReCAST), Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Lingling Zhao
- College of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center (ReCAST), Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Danyang Li
- College of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center (ReCAST), Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Xinxing Zhang
- College of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center (ReCAST), Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
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Sainz-Urruela C, Vera-López S, San Andrés MP, Díez-Pascual AM. Graphene-Based Sensors for the Detection of Bioactive Compounds: A Review. Int J Mol Sci 2021; 22:3316. [PMID: 33804997 PMCID: PMC8037795 DOI: 10.3390/ijms22073316] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/20/2021] [Accepted: 03/22/2021] [Indexed: 02/07/2023] Open
Abstract
Over the last years, different nanomaterials have been investigated to design highly selective and sensitive sensors, reaching nano/picomolar concentrations of biomolecules, which is crucial for medical sciences and the healthcare industry in order to assess physiological and metabolic parameters. The discovery of graphene (G) has unexpectedly impulsed research on developing cost-effective electrode materials owed to its unique physical and chemical properties, including high specific surface area, elevated carrier mobility, exceptional electrical and thermal conductivity, strong stiffness and strength combined with flexibility and optical transparency. G and its derivatives, including graphene oxide (GO) and reduced graphene oxide (rGO), are becoming an important class of nanomaterials in the area of optical and electrochemical sensors. The presence of oxygenated functional groups makes GO nanosheets amphiphilic, facilitating chemical functionalization. G-based nanomaterials can be easily combined with different types of inorganic nanoparticles, including metals and metal oxides, quantum dots, organic polymers, and biomolecules, to yield a wide range of nanocomposites with enhanced sensitivity for sensor applications. This review provides an overview of recent research on G-based nanocomposites for the detection of bioactive compounds, providing insights on the unique advantages offered by G and its derivatives. Their synthesis process, functionalization routes, and main properties are summarized, and the main challenges are also discussed. The antioxidants selected for this review are melatonin, gallic acid, tannic acid, resveratrol, oleuropein, hydroxytyrosol, tocopherol, ascorbic acid, and curcumin. They were chosen owed to their beneficial properties for human health, including antibiotic, antiviral, cardiovascular protector, anticancer, anti-inflammatory, cytoprotective, neuroprotective, antiageing, antidegenerative, and antiallergic capacity. The sensitivity and selectivity of G-based electrochemical and fluorescent sensors are also examined. Finally, the future outlook for the development of G-based sensors for this type of biocompounds is outlined.
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Affiliation(s)
- Carlos Sainz-Urruela
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain); (C.S.-U.); (S.V.-L.); (M.P.S.)
| | - Soledad Vera-López
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain); (C.S.-U.); (S.V.-L.); (M.P.S.)
- Universidad de Alcalá, Instituto de Investigación Química Andrés M. del Río (IQAR), Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain)
| | - María Paz San Andrés
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain); (C.S.-U.); (S.V.-L.); (M.P.S.)
- Universidad de Alcalá, Instituto de Investigación Química Andrés M. del Río (IQAR), Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain)
| | - Ana M. Díez-Pascual
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain); (C.S.-U.); (S.V.-L.); (M.P.S.)
- Universidad de Alcalá, Instituto de Investigación Química Andrés M. del Río (IQAR), Ctra. Madrid‐Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, España (Spain)
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Photocatalytic activity of AgInS2 quantum dots upon visible light irradiation for melatonin determination through its reactive oxygen species scavenging effect. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104728] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Soltani N, Tavakkoli N, Shahdost-Fard F, Salavati H, Abdoli F. A carbon paste electrode modified with Al 2O 3-supported palladium nanoparticles for simultaneous voltammetric determination of melatonin, dopamine, and acetaminophen. Mikrochim Acta 2019; 186:540. [PMID: 31317272 DOI: 10.1007/s00604-019-3541-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 05/22/2019] [Indexed: 11/26/2022]
Abstract
The authors have modified a carbon paste electrode with Al2O3-supported palladium nanoparticles (PdNP@Al2O3) to obtain a sensor for simultaneous voltammetric determination of melatonin (MT), dopamine (DA) and acetaminophen (AC). The PdNP@Al2O3 was characterized by scanning electron microscopy and energy-dispersive X-ray spectra. The sensor can detect DA, AC, MT and their mixtures by giving distinct signals at working voltages of typically 236, 480 and 650 mV (vs. Ag/AgCl), respectively. Differential pulse voltammetric peak currents of DA, AC and MT increase linearly in the 50 nmol L-1 - 1.45 mmol L-1, 40 nmol L-1 -1.4 mmol L-1, and 6.0 nmol L-1 - 1.4 mmol L-1 concentration ranges. The limits of detection are 36.5 nmol L-1 for DA, 36.5 nmol L-1 for AC, and 21.6 nmol L-1 for MT. The sensor was successfully used to detect the analytes in (spiked) human serum and drug samples. Graphical abstract Schematic presentation of Al2O3-supported palladium nanoparticles (PdNP@Al2O3) for modification of a carbon paste electrode (CPE) to develop a voltammetric sensor for the simultaneous determination of dopamine (DA), acetaminophen (AC) and melatonin (MT).
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Affiliation(s)
- Nasrin Soltani
- Chemistry Department, Payame Noor University, Tehran, 19395-4697, Iran.
| | - Nahid Tavakkoli
- Chemistry Department, Payame Noor University, Tehran, 19395-4697, Iran
| | - Faezeh Shahdost-Fard
- Department of Chemistry, University of Ilam, Ilam, 69315-516, Iran
- Faculty of Medicine, Ilam University of Medical Sciences, Ilam, 69391-77143, Iran
| | - Hossein Salavati
- Chemistry Department, Payame Noor University, Tehran, 19395-4697, Iran
| | - Fatemeh Abdoli
- Chemistry Department, Payame Noor University, Tehran, 19395-4697, Iran
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Nabavi SM, Nabavi SF, Sureda A, Xiao J, Dehpour AR, Shirooie S, Silva AS, Baldi A, Khan H, Daglia M. Anti-inflammatory effects of Melatonin: A mechanistic review. Crit Rev Food Sci Nutr 2019; 59:S4-S16. [DOI: 10.1080/10408398.2018.1487927] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Seyed Mohammad Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Seyed Fazel Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Antoni Sureda
- Grup de Nutrici_o Comunit_aria i Estr_es Oxidatiu and CIBEROBN (Physiopathology of Obesity and Nutrition), Universitat de les Illes Balears, Palma de E-07122 Mallorca, Spain
| | - Janbo Xiao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau SAR, China
| | - Ahmad Reza Dehpour
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Samira Shirooie
- School of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Ana Sanches Silva
- National Institute for Agricultural and Veterinary Research (INIAV), I.P., Vairão, Vila do Conde, Portugal; Center for Study in Animal Science (CECA), ICETA, University of Oporto, Oporto, Portugal
| | - Alessandra Baldi
- Department of Drug Sciences, Medicinal Chemistry and Pharmaceutical Technology Section, University of Pavia, Pavia, Italy
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan, Pakistan
| | - Maria Daglia
- Department of Drug Sciences, Medicinal Chemistry and Pharmaceutical Technology Section, University of Pavia, Pavia, Italy
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Panzarasa G. Just Add Luminol to Turn the Spotlight on Radziszewski Amidation. ACS OMEGA 2018; 3:13179-13182. [PMID: 31458038 PMCID: PMC6644800 DOI: 10.1021/acsomega.8b02208] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 10/01/2018] [Indexed: 06/10/2023]
Abstract
Radziszewski amidation, namely the peroxide-mediated conversion of nitriles into amides, is a chemiluminescent reaction involving singlet oxygen. Its increasing relevance in green chemistry and analytical chemistry makes it an important subject to be discussed in advanced chemistry courses. To turn the attention of lecturers, teachers, and students toward this reaction, the history of its discovery as well as its practical applications is discussed. Moreover, a simple and effective experiment to demonstrate the chemiluminescent properties of Radziszewski amidation is provided.
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15
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Mustedanagic J, Ximenes VF, Nagl M. Microbicidal activity of N-chlorotaurine in combination with hydrogen peroxide. AMB Express 2017; 7:102. [PMID: 28545261 PMCID: PMC5442072 DOI: 10.1186/s13568-017-0404-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 05/15/2017] [Indexed: 02/08/2023] Open
Abstract
N-chlorotaurine (NCT) and hydrogen peroxide are powerful endogenous antiseptics. In vivo, the reaction between hydrogen peroxide and metal ions leads to the formation of free hydroxyl radicals, which have an increased bactericidal activity. This study examined whether there is an additive antimicrobial effect of NCT combined with hydrogen peroxide. Additionally, it was tested if the additive effect is based on the formation of free radicals. We found by luminometry that, in the presence of H2O2, NCT caused a slow and long-lasting production of singlet oxygen in contrast to HOCl, where this burst occurred instantaneously. Both NCT and hydrogen peroxide (1.0 and 0.1%) demonstrated bactericidal and fungicidal activity. At pH 7.1 and 37 °C, hydrogen peroxide (1%, 294 mM) showed a stronger bactericidal and particularly fungicidal activity than NCT (1%, 55 mM), whereas at pH 4.0 and also in the presence of 5.0% peptone NCT revealed a stronger bactericidal activity. A combination of NCT and hydrogen peroxide led to an increased bactericidal but no increased fungicidal activity compared to both substances alone. The additive effect against bacteria was not removed in the presence of the radical scavengers NaN3, DMSO, or peptone. As a conclusion, NCT and hydrogen peroxide used concurrently interact additive against a range of microorganisms. However, the results of this study suggest that the additive effect of NCT combined with hydrogen peroxide is rather not based on the formation of free radicals.
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Kumar N, Rosy, Goyal RN. Nanopalladium grained polymer nanocomposite based sensor for the sensitive determination of Melatonin. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.06.023] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Behavioral and molecular effects of prenatal continuous light exposure in the adult rat. Brain Res 2016; 1650:51-59. [PMID: 27566064 DOI: 10.1016/j.brainres.2016.08.031] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 08/19/2016] [Accepted: 08/22/2016] [Indexed: 12/21/2022]
Abstract
Disruption of the maternal environment during pregnancy leads to behavioral changes and diseases in the adult offspring. To explore the influence of prenatal continuous light exposure (PCLE) on the adult offspring, we exposed pregnant Wistar rats to constant light during late gestation. Adult PCLE offspring showed an anxiety-like behavior and impairment of short-term memory in different tests. Measurements in the whole brain homogenates from newborn and adult offspring indicated decreased melatonin and serotonin levels and increased reactive oxygen species level in PCLE offspring. Further, we determined melatonin-, serotonin-, oxidative stress-, apoptosis-, and circadian system-related genes expression in different brain areas of adult offspring. The serotonin reuptaker Slc6a4 displayed a decreased expression in the prefrontal cortex of PCLE group. The circadian rhythm-related gene Rora was upregulated in the amygdala of PCLE offspring. Our results point to adverse behavioral effects of PCLE on adult offspring, involving serotonin and melatonin signaling dysregulation, increased chronic oxidative stress, and altered gene expression.
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18
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Caro CA, Lillo L, Valenzuela FJ, Cabello G, Lang E, Vallejos D, Castillo C. Oxidation of melatonin on a glassy carbon electrode modified with metallic glucosamines. Synthesis and characterization. J Solid State Electrochem 2016. [DOI: 10.1007/s10008-015-3066-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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19
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Gupta P, Goyal RN. Graphene and Co-polymer composite based molecularly imprinted sensor for ultratrace determination of melatonin in human biological fluids. RSC Adv 2015. [DOI: 10.1039/c5ra04942c] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
A novel molecularly imprinted polymer (MIP) sensor based on a composite of graphene (GR) and a co-polymer of 4-amino-3-hydroxy-1-naphthalenesulfonic acid (AHNSA) and melamine (MM) has been fabricated for detecting melatonin.
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Affiliation(s)
- Pankaj Gupta
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
| | - Rajendra N. Goyal
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
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20
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Karunanithi D, Radhakrishna A, Sivaraman KP, Biju VMN. Quantitative determination of melatonin in milk by LC-MS/MS. Journal of Food Science and Technology 2013; 51:805-12. [PMID: 24741180 DOI: 10.1007/s13197-013-1221-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 11/18/2013] [Accepted: 11/21/2013] [Indexed: 11/24/2022]
Abstract
A rapid, reliable and sensitive LC-MS/MS method for the determination of melatonin in milk was developed and validated. Sample was extracted with dichloromethane and cleaned by passing through Chem Elut solid phase extraction cartridge. The solvent was evaporated to dryness, reconstituted with methanol and analysed by LC-MS/MS on Agilent zorbax Eclipse XDB C-18 rapid resolution analytical column. The analytical procedure was found to be accurate, precise and linear. The method accuracy was 92.2 % (range 90.06-94.58) and the mean precision was 1.55 % and the calibration was linear for 1 to 150 pg mL(-1) (R(2) > 0.99), the lowest limit of quantification (LLOQ) was 1 pg mL(-1). 7-D Melatonin (7-DM) was used as an internal standard. This method was proved to be a promising method for the determination of melatonin for market milk and human milk samples.
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Affiliation(s)
- Duraisamy Karunanithi
- Department of Chemistry, National Institute of Technology, Tiruchirappalli, Tamilnadu 620 015 India ; Analytical Science Division, Shriram Institute for Industrial Research, Bangalore, Karnataka 560 048 India
| | - Ammanamanchi Radhakrishna
- Analytical Science Division, Shriram Institute for Industrial Research, Bangalore, Karnataka 560 048 India
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Yao HC, Yang XF, Li H. Sensitive Determination of Nanogram Levels of Diacerein in a Pharmaceutical Formulation by Flow Injection Chemiluminescence Analysis. J CHIN CHEM SOC-TAIP 2013. [DOI: 10.1002/jccs.200700136] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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22
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Qi Y, Li B. Enhanced effect of aggregated gold nanoparticles on luminol chemiluminescence system and its analytical application. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 111:1-6. [PMID: 23602952 DOI: 10.1016/j.saa.2013.03.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2012] [Revised: 02/14/2013] [Accepted: 03/03/2013] [Indexed: 06/02/2023]
Abstract
Some organic compounds containing groups of OH, NH2, or SH, which could induce the aggregation of gold nanoparticles (AuNPs), were observed to enhance effectively the luminol-H2O2-2.6 nm AuNPs CL system. It was found that the aggregation of AuNPs was an important effect factor for the catalytic activity of AuNPs on luminol CL system. The aggregated AuNPs could effectively enhance luminol CL signal compared with the dispersed one. The enhanced effect was closely related to the sizes of AuNPs. Among the studied AuNPs with seven sizes, 2.6 nm AuNPs had the greatest enhancement effect on luminol CL system after its aggregation. The CL enhancement mechanism was investigated, and the marked enhancement of aggregated 2.6 nm AuNPs for luminol CL system was supposed to originate from the decrease of AuNPs' surface negative charge density compared to its dispersed state. For the luminol-H2O2-2.6 nm AuNPs CL system in the presence of organic compounds containing groups of OH, NH2, or SH, more than one factor played the role in influencing the CL intensity. It was found that the enhanced effect of aggregated 2.6 nm AuNPs induced by such organic compounds was much more significant than the inhibition effect of reducing groups of OH, NH2, or SH, which made it applicable for the determination of this kind of compounds.
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Affiliation(s)
- Yingying Qi
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Materials Science, Shaanxi Normal University, Xi'an 710062, PR China
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Lis S, Kaczmarek M. Chemiluminescent systems generating reactive oxygen species from the decomposition of hydrogen peroxide and their analytical applications. Trends Analyt Chem 2013. [DOI: 10.1016/j.trac.2012.10.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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24
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Levent A. Electrochemical determination of melatonin hormone using a boron-doped diamond electrode. DIAMOND AND RELATED MATERIALS 2012; 21:114-119. [DOI: https:/doi.org/10.1016/j.diamond.2011.10.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/01/2024]
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25
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Zhou Y, Ogawa N, Lin JM. Enhanced chemiluminescence of peroxomonosulfate-cobalt (II) system in the presence of dicarboxylic acids. LUMINESCENCE 2010; 26:280-8. [PMID: 20629039 DOI: 10.1002/bio.1225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2009] [Revised: 04/13/2010] [Accepted: 05/14/2010] [Indexed: 11/09/2022]
Abstract
In the present work, the effects of molecular mass aliphatic dicarboxylic acids on the HSO(5)(-)-Co(2+) chemiluminescence (CL) system were investigated. It was found that the aliphatic dicarboxylic acids could enhance the CL of the HSO(5)(-)-Co(2+) system. Moreover, the CL intensities improved regularly with increasing carbon chain length of the dicarboxylic acids. To investigate the CL enhancement mechanism, dynamic profiles, CL spectroscopy, ESR spectrum and the effects of various free radical scavengers on the CL system were employed. The results indicated that the enhancement of the CL should be attributed to the formation of peroxo-diacid, which finally decomposed to the original dicarboxylic acid and singlet oxygen. The mechanism of the HSO(5)(-)-Co(2+)-dicarboxylic acid CL system was then proposed.
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Affiliation(s)
- Yun Zhou
- Analysis Center and Department of Chemistry, Tsinghua University, Beijing, People's Republic of China
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26
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Chen TS, Liou SY, Chang YL. Antioxidant evaluation of three adaptogen extracts. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2009; 36:1209-17. [PMID: 19051347 DOI: 10.1142/s0192415x08006533] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Adaptogens are harmless herbs which have pharmaceutical benefits due to their balancing, regulative and tonic functions. However, despite these medicinal effects, the antioxidant potential of adaptogens is rarely mentioned. This study investigated the antioxidant potential of 3 adaptogen extracts, Rhodiola rosea (golden root), Eleutherococcus senticosis (Siberian ginseng) and Emblica officinalis (Indian gooseberry, Amla). The results of this study showed that R. rosea had the highest potential for singlet oxygen scavenging, hydrogen peroxide scavenging, ferric reducing, ferrous chelating and protein thiol protection than either of the other 2 extracts. E. senticosis, on the other hand, showed the best potential for hypochlorite scavenging. In addition, the polyphenol content in the 3 adaptogen extracts followed the order: R. rosea, E. officinalis and E. senticosis. Our data suggest that the antioxidant potential of the 3 adaptogen extracts was proportional to their respective polyphenol content. The supplementation of adaptogen extracts containing high levels of polyphenols may not only have adaptogen properties, but may decrease the risk of complications induced by oxidative stress.
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Affiliation(s)
- Tung-Sheng Chen
- Department of Biomedical Engineering, Chung Yuan Christian University, 200, Chung Pei Rd., Chung Li, Taiwan 32023, Taiwan
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28
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Chen TS, Liou SY, Chang YL. Chemiluminescent analysis of plasma antioxidant capacity in uremic patients undergoing hemodialysis. Ren Fail 2009; 30:843-7. [PMID: 18925521 DOI: 10.1080/08860220802353827] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
OBJECTIVE Hemodialysis is a common therapeutic strategy for patients with end stage renal failure. During the hemodialytic process, the neutrophils are activated (neutrophil burst) due to the hemoincompatibility induced by hemodialysis. As a result, the activated neutrophils release reactive oxygen species (ROS), such as hydrogen peroxide, singlet oxygen, and hypochlorite, into the bloodstream and cause oxidative damage. METHODS This study investigated the antioxidant alteration of plasma in uremic patients undergoing hemodialysis by chemiluminescent analysis. The antioxidant capacities of plasma in scavenging hydrogen peroxide, singlet oxygen, and hypochlorite were investigated in this experiment. In addition, investigation of the ferric-reducing ability of plasma (FRAP) would be covered in this study as well. RESULTS This study found that after hemodialysis, the antioxidant capacities of plasma in scavenging hydrogen peroxide, singlet oxygen, and hypochlorite decreases 7.9%, 18.8%, and 18.9%, respectively. Moreover, the FRAP is reduced by 56%. We speculate that the loss of dialyzable solutes (such as uremic solutes and antioxidants with small molecular weight) in plasma resulted in its decrease in antioxidant capacity. CONCLUSION We therefore suggest that the supplement of antioxidants with small molecular weight is capable of regaining antioxidant defense in plasma and preventing oxidative damage induced by hemodialysis.
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Affiliation(s)
- Tung-Sheng Chen
- Department of Biomedical Engineering, Chung Yuan Christian University, Chung Li, Taiwan, ROC
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29
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Kruk I, Aboul-Enein HY, Michalska T, Lichszteld K, Kubasik-Kladna K, Olgen S. In vitro scavenging activity for reactive oxygen species by N-substituted indole-2-carboxylic acid esters. LUMINESCENCE 2008; 22:379-86. [PMID: 17471487 DOI: 10.1002/bio.974] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The hydroxyl radical (HO*)- and superoxide anion radical (O* (2))-scavenging activity, as well as the singlet oxygen ((1)O(2))-quenching property of N-substituted indole-2-carboxylic acid esters (INDs) were investigated by deoxyribose degradation assay, a chemiluminescence method and the electron spin resonance (ESR) spin-trapping technique. This novel group of compounds was developed as a search for cyclooxygenase-2 (COX-2)-selective enzyme inhibitors. The results obtained demonstrated that of the 16 compounds examined, five inhibited light emission from the superoxide anion radical (O* (2))-DMSO system by at least 60% at a concentration of 1 mmol/L, nine prevented the degradation of deoxyribose induced by the Fenton reaction system (range 3-78%) or scavenged hydroxyl radicals (HO*) directly (range 8-93%) and 14 showed the (1)O(2)-quenching effect (range 10-74%). These results indicate that majority of the indole esters tested possess the ability to scavenge O(-) (2) and HO radicals and to quench (1)O(2) directly, and consequently may be considered effective antioxidative agents.
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Affiliation(s)
- Irena Kruk
- Institute of Physics, Szczecin University of Technology, Al. Piastów 48/49, 70-311 Szczecin, Poland
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30
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Wei SL, Zhao LX, Cheng XL, Lin JM. Determination of Melatonin in Rat Pineal Gland and Drug with Flow-Injection Chemiluminescence. CHINESE J CHEM 2007. [DOI: 10.1002/cjoc.200790100] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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31
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Gil García MD, Martínez Galera M, Santiago Valverde R. New method for the photo-chemiluminometric determination of benzoylurea insecticides based on acetonitrile chemiluminescence. Anal Bioanal Chem 2007; 387:1973-81. [PMID: 17205265 DOI: 10.1007/s00216-006-0896-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2006] [Revised: 09/29/2006] [Accepted: 10/02/2006] [Indexed: 11/26/2022]
Abstract
The viability of tandem photochemical reaction-chemiluminescence detection has been studied for the determination of five benzoylurea insecticides, namely, diflubenzuron, triflumuron, hexaflumuron, lufenuron and flufenoxuron. The 'on-line' photochemical reaction of benzoylurea pesticides provides an enhanced chemiluminescence response of the pesticides during their oxidation by potassium hexacyanoferrate(III) and sodium hydroxide, whose signal increases with the percentage of acetonitrile in the reaction medium. The determination was performed using a photoreactor consisting of a PFA (perfluoroalkoxy) tube reactor coil (5 mx1.6-mm O.D. and 0.8-mm I.D.) and an 8-W xenon lamp. As the yield of the photoderivatization process and the chemiluminescent signals depend on the percentage of acetonitrile, the chromatographic column (a Gemini C18, Phenomenex 150 mmx4.6 mm, 5-microm particle size) was chosen with the aim of using high percentages of this organic solvent in the mobile phase. Previous studies showed that the rate of the chemiluminescent reaction was very fast. Therefore, a modification was carried out in the detector in order to mix the analytes and reactants as near as possible to the measure cell. The optimised method was validated with respect to linearity, precision, limits of detection and quantification accuracy. Under the optimised conditions, linear working range extends three orders of magnitude with the relative standard deviation of intra-day precision below 10% and detection limits between 0.012 and 0.18 microg mL-1, according to the compound. The proposed method has been successfully applied to the determination of benzoylureas in cucumber with good results.
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Affiliation(s)
- M D Gil García
- Department of Analytical Chemistry, Faculty of Experimental Sciences, University of Almeria, 04061, Almeria, Spain
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Varvaresou A, Tsirivas E, Iakovou K, Gikas E, Papathomas Z, Vonaparti A, Panderi I. Development and validation of a reversed-phase ion-pair liquid chromatography method for the determination of magnesium ascorbyl phosphate and melatonin in cosmetic creams. Anal Chim Acta 2006; 573-574:284-90. [PMID: 17723535 DOI: 10.1016/j.aca.2005.12.074] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2005] [Revised: 12/09/2005] [Accepted: 12/27/2005] [Indexed: 11/18/2022]
Abstract
A reversed-phase ion-pair high-performance liquid chromatographic method was developed and validated for the determination of magnesium ascorbyl phosphate and melatonin in cosmetic creams. The determination was performed on a BDS C 18 analytical column (250 x 4.6 mm i.d., 5 microm particle size); the mobile phase consisted of 0.020 M tetrabutylammonium hydroxide and 0.025 M potassium dihydrogen phosphate (pH 6.8) mixed with acetonitrile in a ratio (77:23, v/v) and pumped at a flow rate 1.00 ml min(-1). The UV detector was operated at 260 nm. The retention times of the magnesium ascorbyl phosphate, melatonin and chlorthalidone that was used as internal standard, were 6.55, 9.18 and 11.07 min, respectively. Calibration graphs are linear (r better than 0.9990, n=6), in concentration range 1.00-10.00 microg ml(-1) for magnesium ascorbyl phosphate and 0.63-6.25 microg ml(-1) for melatonin. The intra- and inter-day R.S.D. values were less than 6.0%, while the relative percentage error E(r) was less than 3.5% (n=5). The quantitation limits were 0.69 and 0.47 microg ml(-1), for magnesium ascorbyl phosphate and melatonin, respectively. The method was applied to the analysis of a cosmetic cream and proved to be suitable for rapid and reliable quality control.
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Affiliation(s)
- Athanasia Varvaresou
- University of Athens, School of Pharmacy, Department of Pharmaceutical Chemistry, 157 71 Panepistimiopolis, Zografou, Athens, Greece
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Kładna A, Aboul-Enein HY, Kruk I, Lichszteld K, Michalska T. Scavenging of reactive oxygen species by some nonsteroidal anti-inflammatory drugs and fenofibrate. Biopolymers 2006; 82:99-105. [PMID: 16245331 DOI: 10.1002/bip.20402] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Ketoprofen and tolmetin are widely used nonsteroidal anti-inflammatory drugs, whereas fenofibrate belongs to a family of hypolipidemic drugs used in the prevention of cardiovascular diseases. The aim of this study was to assess effect of these drugs on reactions generating reactive oxygen species (ROS). The following generators of ROS were used: 18-crown-6/KO(2) dissolved in DMSO as a source of superoxide radical (O(.-)(2), the Fenton-like reaction (Cu/H(2)O(2)) for hydroxyl radical (HO(.)), 2,2'-azobis (2-amidino-propane) dichloride (AAPH) as peroxyl radical (ROO(.)) generator, and a mixture of alkaline aqueous H(2)O(2) and acetonitrile for singlet oxygen ((1)O(2)). Measurements were done using chemiluminescence, fluorescence, and spin-trapping with 2,2,6,6-tetramethylpiperidine combined with electron spin resonance spectroscopy (ESR), and a deoxyribose assay based on the spectrophotometry. The results obtained demonstrated that all tested drugs were active against O(.-)(2). There was a clear ranking of drug inhibition effects on chemiluminescence from the O(.-)(2) system: ketoprofen > tolmetin > fenofibrate. The examined compounds inhibited the HO(.)-dependent deoxyribose degradation and scavenged the ROO(.) concentration dependently with an order of potencies similar to that of the superoxide radical system. Hence, these results indicate that the studied drugs show broad ROS scavenging property and, as a consequence, might decrease tissue damage due to the ROS and thus to contribute to anti-inflammatory therapy.
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Affiliation(s)
- Aleksandra Kładna
- Department of Medical History and Ethics, Pomeranian Medical Academy, Szczecin, Poland
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Amjadi M, Manzoori JL, Miller JN. Study of the heavy atom-induced room temperature phosphorescence properties of melatonin and its analytical application. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2006; 63:337-42. [PMID: 15970457 DOI: 10.1016/j.saa.2005.05.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2004] [Accepted: 05/14/2005] [Indexed: 05/03/2023]
Abstract
Liquid phase room temperature phosphorescence (RTP) properties of melatonin were studied using heavy atom induced-room temperature phosphorescence (HAI-RTP) technique. 1.2 M potassium iodide was used as a heavy atom reagent together with 0.002 M sodium sulphite as deoxygenating agent to produce the RTP signal. The maximum phosphorescence emission and excitation wavelengths of melatonin were 290 and 457 nm, respectively. The effect of potassium iodide concentration on the RTP lifetime of melatonin was also investigated and based on the results, the rate constants for phosphorescence decay (k(p)) and radiationless deactivation through reaction with heavy atom (k(h)) were determined. Based on the obtained results, a simple and sensitive room temperature phosphorimetric method was developed for the determination of melatonin. The method allowed the determination of 10.0-200 ng ml(-1) melatonin in aqueous solution with the limits of detection and quantification of 3.6 and 12 ng ml(-1), respectively. The proposed method was satisfactorily applied to the determination of melatonin in commercial pharmaceutical formulations.
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Affiliation(s)
- Mohammad Amjadi
- Department of Analytical Chemistry, Faculty of Chemistry, Tabriz University, Tabriz 51664, Iran
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35
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Kładna A, Aboul-Enein HY, Kruk I, Michalska T, Lichszteld K. Anti-oxidant and pro-oxidant behaviour of bucillamine. LUMINESCENCE 2006; 21:90-7. [PMID: 16416485 DOI: 10.1002/bio.890] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Bucillamine (BUC) is used clinically for the treatment of rheumatoid arthritis. Some of the pharmacological action of BUC has been reported as being dependent on the production of reactive oxygen species (ROS). In this paper the reactivity of BUC with superoxide anion radical (O(2) (*-)) generated from potassium superoxide/18-crown-6 ether dissolved in DMSO, hydroxyl radical (HO(*)) produced in the Cu(2+)-H(2)O(2) reaction, peroxyl radical (ROO(*)) from 2,2'-azobis (2-amidino-propane) dichloride decomposition, and singlet oxygen ((1)O(2)) from a mixture of alkaline aqueous H(2)O(2) and acetonitrile, have been investigated. Chemiluminescence, fluorescence, electron paramagnetic resonance (EPR) spin-trapping techniques and the deoxyribose and oxygen radical absorbance capacity towards ROO(*) (ORAC(ROO)) assays were used to elucidate the anti- and pro-oxidative behaviours of BUC towards ROS. The results indicated that BUC efficiently inhibited chemiluminescence from the O(2) (*-)-generating system at relatively high concentrations (0.5-2 mmol/L); however, at lower concentrations (<0.5 mmol/L) the drug enhanced light emission. The behaviour of BUC was correlated with a capacity to decrease the chemiluminescence signal from the Cu(2+)-H(2)O(2) system; scavenging HO(*) was effective only at high concentrations (1-2 mmol/L) of the drug. Bucillamine also prevented deoxyribose degradation induced by HO(*) in a dose-dependent manner, reaching maximal inhibition (24.5%) at a relative high concentration (1.54 mmol/L). Moreover, BUC reacts with ROO(*); the relative ORAC(ROO) was found to be 0.34 micromol/L Trolox equivalents/micromol sample. The drug showed quenching of (1)O(2)-dependent 2,2,6,6-tetramethylpiperidine-N-oxide radical formation from 2,2,6,6-tetramethyl-piperidine (e.g. 90% inhibition was found at 1 mmol/L concentration). The results showed that BUC may directly scavenge ROS or inhibit reactions generating them. However, the drug may have pro-oxidant activity under some reaction conditions.
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Affiliation(s)
- Aleksandra Kładna
- Department of Medical History and Ethics, Pomeranian Medical Academy, Rybacka 1, 70-204 Szczecin, Poland
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Yao H, Yang X, Li H. Chemiluminescence of Peracetic Acid in Alkaline Medium and its Application to Dihydralazine Sulfate Determination. Mikrochim Acta 2005. [DOI: 10.1007/s00604-005-0466-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ultrasensitive Assay of Rhein in Medicine Based on its Enhanced Luminol-K3Fe(CN)6 Chemiluminescence Reaction Using the Flow Injection Technique. Mikrochim Acta 2005. [DOI: 10.1007/s00604-005-0464-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Lu J, Lau C, Yagisawa S, Ohta K, Kai M. A simple and sensitive chemiluminescence method for the determination of tiopronin for a pharmaceutical formulation. J Pharm Biomed Anal 2004; 33:1033-8. [PMID: 14656594 DOI: 10.1016/s0731-7085(03)00413-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Here we report a rather simple and convenient chemiluminescence (CL) method for the determination of tiopronin. It was based that tiopronin could greatly enhance CL between H2O2 and luminol in a basic alkaline solution. Light emission is intense, and even with a simple setup a high sensitivity could be achieved. The linear range was 3 mM-500 nM with a detection limit of 200 nM. Singlet oxygen and hydroxyl radical were suggested to be produced in this reaction and was responsible for the CL of tiopronin. As a preliminary application, this simple method has been successfully applied into the determination of tiopronin in a pharmaceutical formulation.
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Affiliation(s)
- Jianzhong Lu
- Department of Pharmaceutical Analysis, School of Pharmacy, Fudan University, 138 Yixueyuan Road, Shanghai 200032, PR China.
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Determination of cysteine in a pharmaceutical formulation by flow injection analysis with a chemiluminescence detector. Anal Chim Acta 2004. [DOI: 10.1016/j.aca.2004.01.007] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Lau C, Lu J, Kai M. Chemiluminescence determination of tetracycline based on radical production in a basic acetonitrile–hydrogen peroxide reaction. Anal Chim Acta 2004. [DOI: 10.1016/j.aca.2003.10.035] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Aboul-Enein HY, Kladna A, Kruk I, Lichszteld K, Marchlewicz M, Michalska T, Salem OIA, Hartmann RW. Prooxidant and antioxidant action of 4-(4-phenoxybenzoyl)benzoic acid derivatives. Biopolymers 2004; 73:631-9. [PMID: 15048787 DOI: 10.1002/bip.10559] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
4-(4-Phenoxybenzoyl)benzoic acid derivatives (PBADs) were found to inhibit rat and human alpha-reductase isozymes 1 and 2 in vitro. Chemiluminescence (CL), electron spin resonance, spin trapping techniques, and spectrophotometry were used to examine the effect of PBADs on reactive oxygen species (superoxide radical, O(2)(.-); hydroxyl radical, HO(*); singlet oxygen, (1)O(2)) generating systems. All test compounds at a concentration of 0.5 mM enhanced the CL from O(2)(.-) up to fivefold, which was recorded as the light sums during 1 min. At 0.38 mM PBAD enhanced production of HO(*) from H(2)O(2) in the presence of Co(II) up to 90%, as measured by a deoxyribose assay. Using the spin trap agent 5,5-dimethyl-1-pyrroline-N-oxide, it was found that the amplitude of the signal arising from the Fenton-like reaction [Co(II)/H(2)O(2)] was significantly diminished by the test compounds. The compounds also inhibited the (1)O(2) dependent 2,2,6,6-tetramethylpiperidine-N-oxide radical, which is generated in the acetonitrile/H(2)O(2) system. The measured rate constants of (1)O(2)-dimol quenching by PBAD were in the range of (0.8-2.6) x 10(8) M(-1) s(-1). The interaction between PBAD and (1)O(2) was also checked using a spectrophotometry method based on bleaching of p-nitrosodimethylaniline. These results indicate that PBAD may directly scavenge HO(*) and (1)O(2), but not O(2)(.-). However, the compounds that were examined had prooxidant ability under some reaction conditions.
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Affiliation(s)
- Hassan Y Aboul-Enein
- Biological and Medical Research Department, MBC-03-65, King Faisal Specialist Hospital and Research Centre, P. O. Box 3354, Riyadh 11211, Saudi Arabia.
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de Almeida EA, Martinez GR, Klitzke CF, de Medeiros MHG, Di Mascio P. Oxidation of melatonin by singlet molecular oxygen (O2(1deltag)) produces N1-acetyl-N2-formyl-5-methoxykynurenine. J Pineal Res 2003; 35:131-7. [PMID: 12887657 DOI: 10.1034/j.1600-079x.2003.00066.x] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
It has been shown that melatonin exhibits antioxidant properties. Chemical structures of some of the products formed by the interaction of melatonin with reactive oxygen and nitrogen species have been elucidated. Despite some evidence that the reaction of melatonin with singlet molecular oxygen (O2(1deltag)) produces N1-acetyl-N2-formyl-5-methoxykynurenine (AFMK), it has not been fully documented. In this investigation, melatonin was oxidized by photosensitization with methylene blue or by a clean chemical source of O2(1deltag), the thermodecomposition of N,N'-di(2,3-dihydroxypropyl)-1,4-naphtalenedipropanamide (DHPNO2). The resulting product was characterized by high performance liquid chromatography, coupled to electrospray ionization mass spectrometry and also by 1H, 13C and dept135 nuclear magnetic resonance spectroscopy. An isotopically labeled DHPN18O2 was also prepared and used as a chemical source of labeled 18[O2(1deltag)] to unequivocally characterize the end product. The results uncovered by this work confirm the hypothesis that oxidation of melatonin by O2(1deltag) produces AFMK.
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Affiliation(s)
- Eduardo A de Almeida
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
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Direct evidence of singlet molecular oxygen [O2(1Δg)] production in the reaction of acetonitrile with hydrogen peroxide in alkaline solutions. Anal Chim Acta 2003. [DOI: 10.1016/s0003-2670(03)00170-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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