Bio-inspired synthesis of CdO nanoparticles using Citrus limetta peel extract and their diverse biomedical applications

Pagar, Khanderao; Chavan, Krishna; Kasav, Sunil; Basnet, Parita; Rahdar, Abbas; Kataria, Navish; Oza, Rajeshwari; Abhale, Yogita K.; Ravindran, Balasubramani; Pardeshi, Onkar; Pawar, Sachin; Pagar, Balasaheb P.; Ghotekar, Suresh

doi:10.1016/j.jddst.2023.104373

Cited by 14 publications

(6 citation statements)

References 76 publications

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“…NPs have been applied in the field of agriculture as highly effective bactericides, fungicides, and nano fertilizers due to their small size, large surface area, and high reaction ( Elmer and White, 2018 ; Hossain et al., 2019 ; Ogunyemi et al., 2019 ). The synthesis of NPs produced a variety of morphology, sizes, and compositions that were determined by numerous physical, chemical, and biological techniques ( Pagar et al., 2023 ). Our study aimed to biosynthesize Ni-SiO 2 NP composite with new properties that could contribute to the management of BLB by using extraction of saffron stigmas ( Crocus sativus L.).…”

Section: Discussionmentioning

confidence: 99%

Bio-functionalized nickel-silica nanoparticles suppress bacterial leaf blight disease in rice (Oryza sativa L.)

et al. 2023

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IntroductionBacterial leaf blight (BLB) caused by Xanthomonas oryzae pv. oryzae (Xoo) is one of the most devastative diseases that threatens rice plants worldwide. Biosynthesized nanoparticle (NP) composite compounds have attracted attention as environmentally safe materials that possess antibacterial activity that could be used in managing plant diseases.MethodsDuring this study, a nanocomposite of two important elements, nickel and silicon, was biosynthesized using extraction of saffron stigmas (Crocus sativus L.). Characterization of obtained nickel-silicon dioxide (Ni-SiO2) nanocomposite was investigated using Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), Transmission/Scanning electron microscopy (TEM/SEM), and energy-dispersive spectrum (EDS). Antibacterial activities of the biosynthesized Ni-SiO2 nanocomposite against Xoo were tested by measuring bacterial growth, biofilm formation, and dead Xoo cells.Results and discussionsThe bacterial growth (OD600) and biofilm formation (OD570) of Xoo treated with distilled water (control) was found to be 1.21 and 1.11, respectively. Treatment with Ni-SiO2 NPs composite, respectively, reduced the growth and biofilm formation by 89.07% and 80.40% at 200 μg/ml. The impact of obtained Ni-SiO2 nanocomposite at a concentration of 200 μg/ml was assayed on infected rice plants. Treatment of rice seedlings with Ni-SiO2 NPs composite only had a plant height of 64.8 cm while seedlings treated with distilled water reached a height of 45.20 cm. Notably, Xoo-infected seedlings treated with Ni-SiO2 NPs composite had a plant height of 57.10 cm. Furthermore, Ni-SiO2 NPs composite sprayed on inoculated seedlings had a decrease in disease leaf area from 43.83% in non-treated infected seedlings to 13.06% in treated seedlings. The FTIR spectra of biosynthesized Ni-SiO2 nanocomposite using saffron stigma extract showed different bands at 3,406, 1,643, 1,103, 600, and 470 cm−1. No impurities were found in the synthesized composite. Spherically shaped NPs were observed by using TEM and SEM. EDS revealed that Ni-SiO2 nanoparticles (NPs) have 13.26% Ni, 29.62% Si, and 57.11% O. Xoo treated with 200 µg/ml of Ni-SiO2 NPs composite drastically increased the apoptosis of bacterial cells to 99.61% in comparison with 2.23% recorded for the control.ConclusionsThe application of Ni-SiO2 NPs significantly improved the vitality of rice plants and reduced the severity of BLB.

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Section: Discussionmentioning

confidence: 99%

Bio-functionalized nickel-silica nanoparticles suppress bacterial leaf blight disease in rice (Oryza sativa L.)

et al. 2023

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“…In the context of synthesizing ZnO NPs utilizing P. nigrum PN seed extract, specific functional groups intricately govern the formation and characteristics of the NPs. The N-H in amines and the monomeric OH of phenol play a pivotal role in the reduction process by contributing electrons, thereby facilitating the reduction of Zn ions and orchestrating the conversion of metal precursors into zero-valent states [62,63]. Furthermore, the C=O groups arising from carbonyl derivatives function as effective capping agents, establishing a protective layer around the NPs.…”

Section: Ftir Spectroscopymentioning

confidence: 99%

Eco-friendly innovation: harnessing nature’s blueprint for enhanced photocatalysis and antimicrobial potential in multi-structured PN/ZnO nanoparticles

Gaur,

Kumar,

Kaur

et al. 2024

Funct. Compos. Struct.

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This research unveils an innovative approach to green synthesis, detailed characterization, and multifunctional exploration of bio-functionalized zinc oxide nanoparticles (PN/ZnO NPs) adorned with phytochemicals from Piper nigrum (PN). Employing an extensive suite of spectroscopic techniques and physicochemical methods, including UV-vis spectroscopy, FE-SEM, HR-TEM, EDX spectroscopy, FTIR, XRD, and BET analysis, the study delves into the unique properties of PN/ZnO NPs. XRD confirms the development of the wurtzite phase with a crystallite diameter of 47.77 nm. FTIR reveals ZnO functionalization by PN's phytochemicals, while FESEM and HRTEM suggest diverse architectural features. SAED patterns authenticate the crystalline structure. BET analysis showcases a large specific surface area of 80.72 m2/g and a mesoporous structure. The absorption peak at 372 nm and an energy band gap (Eg) of 3.44 eV validate ZnO NP formation. The catalytic performance is demonstrated through the degradation of commercial reactive yellow-17 (RY-17) dye, with PN/ZnO (dosage 300 mg L-1) achieving 94.72% removal at a dose of 120 mg L-1. Pseudo-first-order kinetics govern the photodegradation process. PN-ZnO NPs showcase potent antimicrobial efficacy against both gram-negative and gram-positive bacteria, with varying clearance zones. This study stands as an impactful exploration, integrating green synthesis, detailed characterization, and versatile functionalities of PN/ZnO NPs.

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“…The biogenic technology of metal oxide NPs synthesis offers major advantages over chemical and physical methods ( Patil and Chandrasekaran, 2020 , Chauhan et al, 2023 ). Several studies highlighted the benefits of synthesizing bio-inspired NPs with unique morphologies, smaller sizes, and excellent biocompatibility ( Sharma et al, 2019 , Wu et al, 2022 , Pagar et al, 2023 ).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of biogenically synthesized MgO NPs anticancer activity against breast cancer cells

Rashid Khan,

Omar Alafaleq,

Kumar Ramu

et al. 2024

Saudi Journal of Biological Sciences

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Bio-inspired synthesis of CdO nanoparticles using Citrus limetta peel extract and their diverse biomedical applications

Cited by 14 publications

References 76 publications

Bio-functionalized nickel-silica nanoparticles suppress bacterial leaf blight disease in rice (Oryza sativa L.)

Bio-functionalized nickel-silica nanoparticles suppress bacterial leaf blight disease in rice (Oryza sativa L.)

Eco-friendly innovation: harnessing nature’s blueprint for enhanced photocatalysis and antimicrobial potential in multi-structured PN/ZnO nanoparticles

Evaluation of biogenically synthesized MgO NPs anticancer activity against breast cancer cells

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