scholarly journals Green synthesis of Fe nanoparticles by using Mangifera Indica extract and its application in photocatalytic degradation of dyes

2021 ◽  
Author(s):  
Mona Zulfikar ◽  
Raziya Nadeem ◽  
Tariq Javed ◽  
Muhammad Idrees Jilani ◽  
Iram Javed
Keyword(s):  
Waste Water ◽  
Leaf Extract ◽  
Iron Nanoparticles ◽  
Adsorption Mechanism ◽  
Mangifera Indica ◽  
Green Approach ◽  
Ftir Studies ◽  
Degradation Of Dyes ◽  
Catalytic Removal

Abstract An exceedingly facile green approach that produces a reliable adsorbent of transition metal such as Iron (Fe) using Mangifera Indica leaf extract at room temperature is described, acquires more significance nowadays. A single pot method used for synthesis with no capping agents, surfactants or other templates. The main intention of this study is to synthesize iron nanoparticles from leaf extract (Mangifera Indica) and examine its degradation potential for photo-catalytic removal of dyes (Congo red & brilliant green) from waste water. Characterization of synthesized nanoparticles was executed by pHpzc, SEM & FTIR studies and results confirms the presence of iron Nano-sheets with biomolecules. All photo-catalytic experimental results were discussed by SSE and Simple linear regression (SLR) R2 with dye concentration, pH, contact time and dose rate as dependent and independent variables. Adsorption experimental data was verified by kinetics and isothermal models. Results proposed that Langmuir and Pseudo-2nd order model give best fitness towards photo-catalytic adsorption procedure. Thermodynamics revealed that adsorption mechanism is endothermic described by the values of Gibbs free energy (ΔG), enthalpy (ΔH) with entropy (ΔS) and said to be chemisorption with spontaneous processes. Overall photo-catalytic adsorption execution of synthesized iron nanoparticles and simple biomass of Mangifera Indica gives satisfactory results for treating dyes waste water.

Green synthesis and characterization of zero-valent iron nanoparticles using stinging nettle (Urtica dioica) leaf extract

2017 ◽  
Vol 6 (5) ◽  
Author(s):  
Alireza Ebrahiminezhad ◽  
Alireza Zare-Hoseinabadi ◽  
Aydin Berenjian ◽  
Younes Ghasemi
Keyword(s):  
Leaf Extract ◽  
Iron Nanoparticles ◽  
Urtica Dioica ◽  
Zero Valent Iron ◽  
Synthesis And Characterization ◽  
Stinging Nettle ◽  
Aqueous Leaf Extract ◽  
Zero Valent Iron Nanoparticles ◽  
First Time

AbstractFor the first time, aqueous leaf extract of

scholarly journals Mangifera indica, Ficus religiosa and Polyalthia longifolia leaf extract-assisted green synthesis of graphene for transparent highly conductive film

RSC Advances ◽  
2016 ◽  
Vol 6 (98) ◽  
pp. 96355-96366 ◽  
Author(s):  
Pankaj Chamoli ◽  
Raghunandan Sharma ◽  
Malay K. Das ◽  
Kamal K. Kar
Keyword(s):  
Graphene Oxide ◽  
Leaf Extract ◽  
Graphene Nanosheets ◽  
Mangifera Indica ◽  
Ficus Religiosa ◽  
Green Approach ◽  
Transparent Conducting Films ◽  
Transparent Conducting ◽  
Conductive Film ◽  
Polyalthia Longifolia

A green approach to synthesize transparent conducting films of graphene nanosheets by reduction of graphene oxide is presented.

scholarly journals Biological Synthesis of Cobalt Nanoparticles from Mangifera indica Leaf Extract and Application by Detection of Manganese (II) Ions Present in Industrial Wastewater

2019 ◽  
pp. 1-8 ◽  
Author(s):  
Felicia Uchechukwu Okwunodulu ◽  
Helen Ogechi Chukwuemeka-Okorie ◽  
Francis Chijioke Okorie
Keyword(s):  
Leaf Extract ◽  
Mangifera Indica ◽  
Industrial Effluents ◽  
Cobalt Nanoparticles ◽  
Biological Synthesis ◽  
Cobalt Ions ◽  
Vis Spectroscopy ◽  
Ft Ir ◽  
Average Size

This study was focused on the synthesis of cobalt nanoparticles using Mangifera indica leaf extract and the characterization of the particles via UV–Vis spectroscopy, XRD, FT-IR and SEM. The XRD results showed the formation of cobalt nanoparticles that was crystalline in nature, with an average size of 25—40 nm. The FT-IR analysis of the leaf extract reviewed some functional groups responsible for the reduction of cobalt ions to cobalt nanoparticles while the SEM indicates that the synthesised cobalt nanoparticles possess a cubic, pentagonal and irregular in shape with a smooth surface. Application of colloidal cobalt nanoparticles in detecting Mn2+ ions was discussed which indicated that the absorption of the Mn (II) ions decreased at increased concentration of Mn (II) ions indicating that Mn (II) ion can be detected even at a very low concentration. The minimum and maximum detection limit was found to be 5 and 25 mM of Mn (II) ions, respectively. The obtained results encourage the use of economical synthesis of cobalt nanoparticles in the development of nanosensors to detect the pollutants present in industrial effluents.

Antioxidant and Enzyme Inhibitory Properties of Mangifera indica leaf Extract

2020 ◽  
Vol 10 (4) ◽  
pp. 384-394
Author(s):  
Sainiara Begum ◽  
Archana Banerjee ◽  
Bratati De
Keyword(s):  
Oxidative Stress ◽  
Amino Acids ◽  
Leaf Extract ◽  
Methanol Extract ◽  
Mangifera Indica ◽  
Agricultural Waste ◽  
Ethyl Acetate Fraction ◽  
Soil Amelioration ◽  
Liver Disorders ◽  
Inhibitory Activities

Aims:The foliar residues of Mangiferaindica tree are usually burned or used for soil amelioration except nominal uses as fodder.Methods:To add value to this agricultural waste, extracts of the leafy residues of M. indica were studied to analyze their potential as antioxidants and to inhibit the enzymes related to the management of diabetes, Alzheimer’s Disease (AD), hepatic disorders as well as to identify important phytochemicals present in the extracts.Results:Results depicts that the leaves have notable bioactivities. The methanol extract (ME) showed much potential than ethyl acetate fraction after hydrolysis (HME) against α-amylase and α- glucosidase. The activity against the enzyme β-glucuronidase was also higher than that of the commercial β- glucuronidase inhibitor. The extract after hydrolysis showed better antioxidant and acetylcholinesterase inhibitory activities. Detection of important phytochemicals such as chrysin and myricetn, alizarin, arbutin, hydroquinone, tyrosol, taxifolin, kaempferol, mangiferin, and the vitamin alpha tocophereol, in addition to a number of organic acids, amino acids, fatty acids, sugars and polyols by GC-MS and HPTLC based analysis of the extract of M. indica leaf, also suggest the use of the leaves as sources of these important phytochemicals.Conclusion:More concisely HME with more number of detected metabolites found better to be used against oxidative stress as well as enzymes related to neural and liver disorders than that of ME.

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