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Scholarly Publications by Integral Academia

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Subject: search.filters.subject.ZnO NPs

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    Microbial-Assisted Green Synthesis of Zinc Oxide Nanoparticles and their Potential Application
    (Zenodo, 2024) Ekhlakh Veg, Sabeeha Jabeen, Seema Joshi, Tahmeena Khan
    Nanomaterials are the rapidly growing field of nanotechnology. The development of reliable strategies for the synthesis of nanomaterials with different chemical compositions, sizes, and high monodispersity is one of the most challenging issues these days. Recent studies on the use of microorganisms in the synthesis of nanoparticles (NPs) are a relatively new and exciting area of research with considerable potential for development. This mini-review highlights the use of different microorganisms in the biosynthesis of zinc oxide nanoparticles (ZnO NPs) and their biological applications.
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    Photocatalytic Degradation of Brilliant Blue FCF Dye Using Biosynthesized ZnO Nanoparticles †
    (MDPI, 2026) Ekhlakh Veg, Nashra Fatima, Tahmeena Khan
    In recent years, photocatalysis based on metal oxides has gained significant attention as an effective and environmentally sustainable strategy for the degradation of dye pollutants under mild operating conditions. Among the various metal oxide photocatalysts, zinc oxide (ZnO) is particularly attractive due to its appropriate band gap, excellent chemical stability, low cost, and capability to operate under visible light. In this work, ZnO nanoparticles (NPs) were green-synthesized using Livistona chinensis leaf extract and subsequently assessed for their photocatalytic performance in the degradation of the synthetic dye Brilliant Blue FCF. The synthesized ZnO NPs achieved approximately 76% dye removal within 90 min of visible light irradiation. These findings demonstrate the potential of ZnO NPs as an efficient, economical, and eco-friendly visible-light-driven photocatalyst, supporting their application in sustainable wastewater remediation.
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    Ultrasonic-Assisted Synthesis of Zinc Oxide Nanocomposites with Substituted Thiosemicarbazide Ligands: An Overview
    (MDPI, 2025) Ekhlakh Veg, Nashra Fatima, Tahmeena Khan Tahmeena Khan ScilitPreprints.orgGoogle Scholar 1
    Metal oxide nanocomposites have gained significant attention due to their unique physicochemical properties and applications in biomedicine, catalysis, sensing, and environmental remediation. Among them, zinc oxide (ZnO) nanoparticles (NPs) are widely studied, and functionalization with thiosemicarbazide (TSC) derivatives enhances their stability, reactivity, solubility, and biocompatibility. Ultrasonic-assisted synthesis offers an eco-friendly approach, enabling rapid nucleation, uniform dispersion, and controlled particle size while promoting efficient ligand coordination. Nanocomposites are typically characterized using various spectroscopic techniques, which confirm successful functionalization. This review highlights synthesis strategies, characterization techniques, and applications of ligand-functionalized metal oxide nanocomposites in environmental, catalytic, and biological fields.
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    Ecofriendly Synthesis of Zinc Oxide Nanoparticles Using Moringa Oleifera Leaves Extract and its Characterization
    (Book Rivers, 2026) Mohd. Samiullaha, Mohd Arsh Khana, Qazi Inamur Rahmana, Abdul Rahman Khana
    Nanoparticles (NPs) have emerged as a transformative technology with diverse applications across various industries such as environmental science, healthcare, renewable energy, and agriculture. The UN's Sustainable Development Goals (SDGs) can be achieved by harnessing the unique attributes of nanoparticles, including their elevated surface-area-to-volume ratio and enhanced reactivity, to address crucial sustainability challenges. However, traditional methods for synthesizing nanoparticles often involve energy-intensive processes and hazardous chemicals, prompting concerns about resource utilization and environmental impact. In turn, there has been a growing interest in the sustainable alternative of green synthesis, particularly through plant-mediated production, which utilizes naturally occurring plant biomolecules as stabilizers and reducing agents. Furthermore, this process offers a sustainable, cost-effective method for producing biocompatible nanoparticles while minimizing environmental impact. This chapter explores how green-synthesized nanoparticles, such as gold (AuNPs) and silver (AgNPs), can advance sustainable development projects. The discussion focuses on the role of bioactive substances, such as polyphenols, flavonoids, and terpenoids, in reducing metal ions and stabilizing nanoparticles during the production of plant-based NPs. The quality and safety of these nanoparticles depend on a range of characterization techniques, including UV-Vis spectroscopy, TEM, XRD, FTIR, and DLS. These methods offer insight into the size, shape, crystalline structure, and surface chemistry of the particles. Nanoparticles produced through green synthesis show great potential for various sustainable applications. They can purify water from pollutants, enhance the efficiency of solar cells, improve crop resilience using nano-fertilizers, and offer antibacterial properties for medical purposes. Nevertheless, several barriers impede their widespread adoption. Variability in plant biochemistry undermines the reproducibility of synthesis, making it challenging to scale up production for industrial purposes. Moreover, there is uncertainty about the potential long-term impacts of NPs on the environment and human health, underscoring the need for comprehensive ecotoxicological studies and regulatory guidelines.