Biosynthesis of Mikania micrantha mediated silver nanoparticles: Its application as a sustainable catalyst for Biginelli reaction and antioxidant capacity

IF 2.1 3区 化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR
Manthae C. Phom , Betokali K. Zhimomi , Putusenla Imchen , Phitovili Sumi , Shisak Sharma , Khonzani Yanthan , Shokip Tumtin , Toka Swu , Tovishe Phucho
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Abstract

The current study focuses on the eco-friendly, bio-synthesis and of silver nanoparticles (AgNPs), utilizing an aqueous extract of Mikania micrantha. A rigorous analysis was performed to investigate the effects of several operational factors on the synthesis of AgNPs, including the various quantities of leaf extract, temperature, contact duration, and pH solution. The outcomes demonstrated that the optimal circumstances for producing nanoparticles are Mikania micrantha leaf extract dosage (5 % v/v), pH 9, and 80 °C temperature, with a duration of 60 min incubation time. The bio-synthesized AgNPs were examined using UV–Vis, FT-IR, X-ray diffraction (XRD), FE-SEM, EDX, TEM, and SAED studies. The FT-IR study proved that phytochemicals were involved in the AgNPs production process, and its spherical morphologies with the size range of 12.35 - 46.83 nm were apparent in the TEM images. The face-centered cubic structure of AgNPs was validated by the XRD spectrum. The XRD investigations also substantiated the SAED spectrum's indication that the AgNPs were crystalline. AgNPs were identified as an eco-friendly heterogeneous catalyst, demonstrating high catalytic efficiency in the Biginelli reaction under acid-free, mild conditions, achieving excellent yields in 30 s. 1,1-diphenyl- 2-picrylhydrazyl (DPPH) and Ferric reducing antioxidant power (FRAP) assays were used to assess the biological efficiency showing 89.8 % inhibition activity with an average IC50 value of 24.99± 0.19 µg mL-1 and higher reducing power than the positive control, respectively. This confirms that the leaf extract of Mikania micrantha and its biosynthesized nanoparticles also showed promising antioxidant capability.

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来源期刊
Journal of Organometallic Chemistry
Journal of Organometallic Chemistry 化学-无机化学与核化学
CiteScore
4.40
自引率
8.70%
发文量
221
审稿时长
36 days
期刊介绍: The Journal of Organometallic Chemistry targets original papers dealing with theoretical aspects, structural chemistry, synthesis, physical and chemical properties (including reaction mechanisms), and practical applications of organometallic compounds. Organometallic compounds are defined as compounds that contain metal - carbon bonds. The term metal includes all alkali and alkaline earth metals, all transition metals and the lanthanides and actinides in the Periodic Table. Metalloids including the elements in Group 13 and the heavier members of the Groups 14 - 16 are also included. The term chemistry includes syntheses, characterizations and reaction chemistry of all such compounds. Research reports based on use of organometallic complexes in bioorganometallic chemistry, medicine, material sciences, homogeneous catalysis and energy conversion are also welcome. The scope of the journal has been enlarged to encompass important research on organometallic complexes in bioorganometallic chemistry and material sciences, and of heavier main group elements in organometallic chemistry. The journal also publishes review articles, short communications and notes.
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