The present research focused on extraction of bioactive compounds from Woodfordia fruticosa flower (WF) using ethanol, methanol and ethyl acetate as solvents and the development of silver nanoparticles using these extracts for inhibition of (), (), (), and Bacillus cereus (B. cereus) bacteria. The functional groups of bioactive compounds present in the solvent extracts were characterized using Fourier transform infrared spectroscopy (FT-IR). The morphological features and formation of silver nanoparticles (10-30 nm, by the reduction of solvent extracts) were evaluated using scanning electron microscopy (SEM) and ultraviolet-visible (UV-Vis) spectroscopy, respectively. The elemental compositions of the synthesized nanoparticles were analyzed using energy-dispersive X-ray spectroscopy (EDX). The inhibition efficiency of the alcoholic and ester extracts of WF and the synthesized silver nanoparticles were evaluated and compared to Moxifloxacin. The results revealed that the synthesized silver nanoparticles demonstrated enhanced bacterial inhibition efficiency compared to the unprocessed ethanol, methanol, and ethyl acetate extracts of WF, and Moxifloxacin.
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http://dx.doi.org/10.1016/j.heliyon.2025.e42125 | DOI Listing |
Nanomaterials (Basel)
March 2025
Department of Biotechnology and Bioinformatics, Yogi Vemana University, Kadapa 516005, India.
The use of metal nanoparticles is gaining popularity owing to their low cost and high efficacy. We focused on green synthesis of silver nanoparticles (AgNPs) using (Tc) leaf extracts. The structural characteristics of Tc nanoparticles (TcAgNPs) were determined using several advanced techniques.
View Article and Find Full Text PDFNanomaterials (Basel)
February 2025
Department of Biotechnology, Vaagdevi Degree and P.G. College, Warangal 506001, India.
This study explores the green synthesis of silver nanoparticles (AgNPs) using (lemongrass) extract as a reducing agent. Synthesis was confirmed by a color change (light yellow to dark brown) under optimal conditions: 1.50 mM silver nitrate, 3.
View Article and Find Full Text PDFCutan Ocul Toxicol
March 2025
Department of Physics, University of Sahiwal, Sahiwal, Pakistan.
The utilisation of heavy metal-based nanoparticles in cosmetic products has been steadily increasing because of their extraordinary physicochemical properties and benefits. In this thorough review, we will delve into the various types of nanoparticles, such as green nanoparticles, metallic nanoparticles, and carbon-based nanoparticles, with a special focus on heavy metal-based nanoparticles. These heavy metal-based nanoparticles exhibit exceptional physical and mechanical properties, making them suitable materials for cosmetic and personal care products.
View Article and Find Full Text PDFHeliyon
February 2025
Department of Pathobiology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran.
infections associated with biofilm are a significant clinical challenge due to the limited efficacy of traditional antibiotics or combination therapies. Hence, exploring novel strategies and assessing different compounds for their anti-biofilm or anti-quorum sensing (QS) properties is imperative. One of the various applications of silver nanoparticles (AgNPs) is to use them as an antimicrobial agent to target bacteria resistant to common antibiotics.
View Article and Find Full Text PDFMicrosc Res Tech
March 2025
Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Terengganu, Malaysia.
Cisplatin and other anticancer drugs face challenges such as systemic toxicity and drug resistance, necessitating novel delivery strategies. Nanoparticles have revolutionized drug delivery by enhancing the efficacy and bioavailability of therapeutic agents. In this study, silver nanoparticles (AgNPs) were green-synthesized using Chromolaena odorata (CO) and characterized using UV-Vis spectroscopy, Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy/energy-dispersive X-ray spectroscopy (SEM/EDS), x-ray diffraction (XRD), thermogravimetric analysis (TGA), and transmission electron microscopy (TEM).
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