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Relevant bibliographies by topics / Fe-Chelating Activity

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Journal articles

Academic literature on the topic 'Fe-Chelating Activity'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Fe-Chelating Activity"

1

Raza, Syed Ali, Ayoub Rashid Chaudhary, Muhammad Waseem Mumtaz, et al. "Fe-Chelating Activity of Conocarpus lancifolius Engl. Leaf Extracts and 1H-NMR Based Metabolite’s classification." Acta Scientifica Naturalis 7, no. 1 (2020): 1–7. http://dx.doi.org/10.2478/asn-2020-0002.

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AbstractThe purpose of the work was to evaluate the Fe-chelating activity of freeze drying assisted ultrasonicated hydroethanolic leaf extracts of Conocarpus lancifolius Engl. along with 1H-NMR based classification of metabolites in most active extract. The finding revealed that 60% ethanolic extract was the most active fraction regarding Fe-chelating activity with value of 75.4 ± 0.6% followed by 80% ethanolic extract having chelating value of 69.24±1.02%. The least Fe-chelating activity was exhibited by aqueous extract. The statistical analysis revealed that the Fe-chelating activity by 60%

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2

Sheikh Hosseini, Mehrnaz, Zahra Moosavi-Nejad, Fatemeh Rezaei Sadrabadi, and Hamid Hosano. "Antioxidant Peptide Production Using Keratin from Feather Waste: Effect of Extraction and Thiol Blocking Method." International Journal of Molecular Sciences 26, no. 9 (2025): 4149. https://doi.org/10.3390/ijms26094149.

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Keratin-made biomaterials, including feathers, are considered a protein-rich bioresource due to their intrinsic properties, including biocompatibility, biodegradability, mechanical resistance, and biological abundance. Beta-keratin exists as an insoluble stringy protein due to the high presence of disulfide cross-links, and as a result, it is mechanically stable and resistant to enzymatic digestion. Because of this, it is not easily decomposed, and this has made the application of feathers difficult. In this study, after dissolving feathers in NaOH, sodium sulfide, and 2-Mercaptoethanol (2-ME)

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3

Wickramasinghe, Hiruni Sashikala, Edirisinghe Dewage Nalaka Sandun Abeyrathne, Ki-Chang Nam, and Dong Uk Ahn. "Antioxidant and Metal-Chelating Activities of Bioactive Peptides from Ovotransferrin Produced by Enzyme Combinations." Poultry 1, no. 4 (2022): 220–28. http://dx.doi.org/10.3390/poultry1040019.

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Peptides produced from food sources possess numerous bioactivities that make them useful in improving human health and preventing diseases. Although many studies related to egg protein hydrolysis are available, little work has been conducted on the production of bioactive peptides from apo-ovotransferrin (OTF) using two-step enzyme hydrolysis. The objectives of this study were to produce bioactive peptides from OTF using two enzymes and to determine their functional properties. Lipolyzed OTF was prepared at a concentration of 20 mg/mL and treated with protease (3 h at 55 °C), papain (3 h at 37

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4

Saundane, Anand R., Vijaykumar Tukaram Katkar, and A. Verma Vaijinath. "Synthesis, Antimicrobial, and Antioxidant Activities of N-[(5′-Substituted-2′-phenyl-1H-indol-3′-yl)methylene]-5H-dibenzo[b,f]azepine-5-carbohydrazide Derivatives." Journal of Chemistry 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/530135.

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The main aim of the present study was to synthesize new leads with potential antimicrobial and antioxidant activities. As a part of systematic investigation of synthesis and biological activity, some new indole compounds3a–cand4a–cwere prepared and screened for their antimicrobial and antioxidant activities. The antimicrobial evaluation of newly synthesized compounds was carried out by cup-plate method. Antimicrobial activity results revealed that compound4ashowed promising activity against bacteriaStaphylococcus aureus,Klebsiella pneumonia, andPseudomonas aeruginosaand exhibited maximum inhib

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5

González, José, Armando Cuéllar, Enmanuel Nossin, and Max Monan. "Iron Chelating Activity of Gossypitrin Isolated from the Petals of Talipariti elatum Sw. (Fryxell) Malvaceae." Journal of Agricultural Studies 5, no. 2 (2017): 1. http://dx.doi.org/10.5296/jas.v5i2.11174.

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A Fe(III)-gossypitrin complex was prepared with a metal to ligand molar ratio of 1:1; 2:1 and 3:2 by mixing stoichiometric amounts of gossypitrin and FeCl3. The isolated complex was characterized by visual observation, UV/Vis, IR and ESI-MS spectroscopy. In this study, we selected the major flavonoid glycoside present in the petals of the flowers of Talipariti elatum Sw. (Fryxell) Malvaceae that grows in Cuba, gossypitrin, to characterize the chelating activity of it chemical compound with FeCl3, to find alternative sources with lower side effects in asthmatic patients. A high chelating activi

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6

Coa, Juan Carlos, Wilson Cardona-Galeano, and Albeiro Restrepo. "Fe3+chelating quinoline–hydrazone hybrids with proven cytotoxicity, leishmanicidal, and trypanocidal activities." Physical Chemistry Chemical Physics 20, no. 31 (2018): 20382–90. http://dx.doi.org/10.1039/c8cp04174a.

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Neglected tropical diseases cause great concern in developing countries where there are millions of reported infected humans. Our calculations support a direct relationship between biological activity and the Fe<sup>3+</sup>chelating ability of the shown set of quinoline–hydrazone hybrids.

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7

Simamora, Adelina, Lusia Paramita, Nur Azreen, Adit Widodo Santoso, and Kris Herawan Timotius. "In Vitro Antidiabetic and Antioxidant Activities of Aqueous Extract from the Leaf and Fruit of Psidium guajava L." Indonesian Biomedical Journal 10, no. 2 (2018): 156–64. http://dx.doi.org/10.18585/inabj.v10i2.402.

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BACKGROUND: The leaf and fruit of Psidium guajava L. are potential for neutraceutical beverage especially for antidiabetic drink. The aims of this study were to determine the antidiabetic activity of aqueous extract of leaf (LE) and fruit (FE) from P. guajava.METHODS: Both extracts were investigated for their inhibitory effect on α-glucosidase activity in vitro. Their antioxidant activities were measured by 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging, ferrous ion chelating, reducing power and phosphomolybdate methods.RESULTS: The IC50 of LE, FEandacarbose as a positive control

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8

H, Rehana Banu, and Nagarajan N. "EVALUATION OF IN VITRO ANTIOXIDANT ACTIVITY OF A MEDICINAL HERB, WEDELIA CHINENSIS (OSBECK) MERRILL." Asian Journal of Pharmaceutical and Clinical Research 11, no. 10 (2018): 433. http://dx.doi.org/10.22159/ajpcr.2018.v11i10.25008.

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Objective: The objective is to evaluate the antioxidant activity of the methanolic leaf extract of Wedelia chinensis.Methods: In vitro antioxidant activity was evaluated by studying 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, superoxide radical scavenging activity, ferric reducing ability of plasma (FRAP) scavenging activity, hydroxyl radical scavenging activity, metal chelating activity, and total antioxidant activity. Ascorbic acid, BHT, quercetin, and EDTA were used as standards for the experiments.Results: Inhibition concentration50 values observed for DPPH radical sc

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9

Mishchenko, Denis V., Margarita E. Neganova, Elena N. Klimanova, et al. "Chemosensitizing Activity of Histone Deacetylases Inhibitory Cyclic Hydroxamic Acids for Combination Chemotherapy of Lymphatic Leukemia." Current Cancer Drug Targets 18, no. 4 (2018): 365–71. http://dx.doi.org/10.2174/1568009617666170623104030.

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Background: Anti-tumor effect of hydroxamic acid derivatives is largely connected with its properties as efficient inhibitors of histone deacetylases, and other metalloenzymes involved in carcinogenesis. Objective: The work was aimed to (i) determine the anti-tumor and chemosensitizing activity of the novel racemic spirocyclic hydroxamic acids using experimental drug sensitive leukemia P388 of mice, and (ii) determine the structure-activity relationships as metal chelating and HDAC inhibitory agents. Method: Outbreed male rat of 200-220 g weights were used in biochemical experiments. In vivo e

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10

Eboh, AS, EM Arhoghro, A. Frank-Oputu, E. Wodu, OG Adah, and BA Uwuma. "Phytochemicals and chelating properties in extract of Celosia trigyna inhibits xanthine oxidase in vitro." GSC Biological and Pharmaceutical Sciences 8, no. 2 (2019): 053–58. https://doi.org/10.5281/zenodo.4284604.

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This study is designed to investigate the inhibitory effect of Celosia trigyna against xanthine oxidase. Total flavonoid, phenol, vitamin C were evaluated using standard methods and inhibitory activity of <em>Celosia trigyna</em>  extract on xanthine oxidase (XO) activity <em>in vitro</em> and chelating properties of extract against Iron (II) were also carried out.  The results showed that the extract contained high content of flavonoids, phenolic acid and vitamin C that are beneficial to health. The extract inhibited XO in a dose-dependent manner. The extract als

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