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22 articles for “Biosynthesis”
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Biosynthesis of silver nanoparticles using Zingiber officinalae and Evaluation of cervical cancer activity
Abstract: This research focused on evaluating the potential anti-cervical cancer properties of silver nanoparticles (AgNPs) that were synthesized using an aqueous extract derived from the rhizome of Zingiber officinale (ginger). The synthesized silver nanoparticles (AgNPs) were thoroughly characterized using a range of analytical techniques, including Ultraviolet-Visible (UV-Vis) spectroscopy, Fourier Transform Infrared Spectroscopy (FTIR), and Field Emission Scanning Electron Microscopy (FESEM).Characterization studies revealed that the synthesized silver nanoparticles (AgNPs) exhibited an average …
Published in International journal of Nanobiotechnology · Vol. 11, Issue 2, 2025 · pp. 1–10 Read article
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Biosynthesis of Silver Nanoparticles Using Plant Extract
Abstract: In recent years, research in nanotechnology deals with the development of environmental-friendly processes for the synthesis of stable nanoparticles, possessing well-defined shapes, and controlled narrow sizes. Additionally, due to a vast demand for precious metals (like silver) in the fields such as electronics and catalysis, recovery of silver from both primary and secondary sources is of most significance. Biological recovery of precious metals with the formation of their nanoparticles is …
Published in International Journal of Plant Biotechnology · Vol. 1, Issue 1-2, 2015 · pp. 12–17 Read article
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Biosynthesis, characterization of gold nanoparticles using M. indica leaf extractand their anticancer activity
Abstract: The present study involves the novel approach for the synthesis of nanomaterial holds infinite possibilities as nanotechnology has a major impact on medicine and its application. Leaf extract of Mangiferaindicais a very good bioreductant for gold chloride (HAuCl4·4H2O) which leads to the synthesis of gold nanoparticles. Leaf extract of Mangiferaindicawas mixed with gold chloride (HAuCl4·4H2O) and UV-vis spectroscopy was used to detect the synthesis of nanoparticles. TEM and FESEM were …
Published in International journal of Nanobiotechnology · Vol. 2, Issue 2, 2016 · pp. 1–4 Read article
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Biosynthesis of Silver Nanoparticles for Mosquito Control
Abstract: Biological synthesis of nanoparticles has received increased attention due to a growing need to develop environmentally benign technologies in material synthesis. In present work, silver nanoparticles (AgNps) were synthesized intracellular by using Pseudomonas aeruginosa sp. The silver nanoparticles were characterized by transmission electron microscopy (TEM), UV–Visible spectroscopy (UV). Larvicidal activities of silver nanoparticles were analyzed as per the standard procedures. The P. aeruginosa synthesized AgNPs were found effective against the …
Published in International journal of Nanobiotechnology · Vol. 3, Issue 1, 2017 · pp. 6–11 Read article
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Biosynthesis of Silver Nanoparticles using Aqueous Extract of Chaetomorpha media (C.Ag.) Kuetzing
Abstract: Chaetomorpha media (C.Ag.) Kuetzing is common green seaweed belongs to the family Chlorophyceae. The aqueous extract of Chaetomorpha media was used for the biosynthesis of Silver Nanoparticles. The Silver Nanoparticles were formed due to the reduction of silver nitrate to aqueous silver ions in the presence of seaweed extract. Silver nanoparticles exhibited dark brown colour in aqueous solution. The synthesized silver Nanoparticles were characterized by UV-Visible Spectrophotometer, Fourier Transform Infrared …
Published in International journal of Nanobiotechnology · Vol. 6, Issue 2, 2020 · pp. 12–18 Read article
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Cryogenic Electron Microscopy Reveals Conformational Dynamics and Catalytic Mechanisms of Human Fatty Acid Synthase in De Novo Lipid Biosynthesis
Abstract: Fatty acid synthase (FASN) is a multifunctional homodimeric enzyme central to de novo fatty acid synthesis in mammals. Recent cryogenic electron microscopy (cryo-EM) studies have illuminated the structural basis of FASN catalysis, revealing multiple conformational states throughout the synthesis cycle. These findings show that the acyl carrier protein (ACP) domain dynamically shuttles substrates between spatially separated active sites, while the condensing and modifying regions remain structurally stable. In contrast to …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 2, 2026 · pp. 8–25 Read article
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Biochemical Pathways in the Biosynthesis of Pharmacologically Active Secondary Phytometabolites
Abstract: Plants are the main storage house of most food products, medicines, and nutritional supplements that exist. There are basically two kinds of phytochemicals in plants: these include primary and secondary metabolites. Primary metabolites play a crucial role in the biological functioning of plants because they play a major role in the processes of mitosis, respiration, metabolism, growth, and reproduction. Secondary metabolites are not just mere by-products of primary metabolism in …
Published in International Journal of Agrochemistry · Vol. 12, Issue 2, 2026 · pp. 1–12 Read article
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Biosynthesis of Culture Media for Microbial Growth
Abstract: This study explores the use of plant-based culture media as sustainable alternatives to traditional nutrient agar for microbial cultivation. Two types of plant-based media were developed: one using China grass as a solidifying agent and the other incorporating agar. These were compared with conventional nutrient agar. Microbial cultures were inoculated onto each medium and incubated under optimal conditions, with growth patterns and colony characteristics observed and documented over time. The …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 11, Issue 1, 2025 · pp. 22–28 Read article
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Seaweed Mediated Biosynthesis of Silver Nanoparticles Using Gracilaria fergusonii J.Ag. Collected From Hare Island, Thoothukudi in the South East Coast of Tamil Nadu, India
Abstract: In the present study silver nanoparticles were synthesized using the aqueous extract of red seaweed Gracilaria fergusonii J.Ag. as the reducing agent. The formation of silver nanoparticles was confirmed by colour change from light yellow to dark brownish red, UV– visible spectroscopy, FT-IR, X-ray diffraction method (XRD), scanning electron microscopy (SEM) and energy dispersive X-ray microanalysis spectroscopy (EDS). The anoparticles showed an absorbance at 442 nm on UV–visible spectroscopy. The …
Published in International Journal of Plant Biotechnology · Vol. 1, Issue 1-2, 2015 · pp. 50–57 Read article
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Biosynthesis of Chitosan mediated nanoparticles for Preservation of Food and Its Antimicrobial activity
Abstract: In this study, chitosan nanoparticles were synthesized from chitosan polymer by ionic gelation method. The chitin was first extracted from Saccharomyces cerevisiae and then deacetylated to chitosan. The presence and characterization of chitosan nanoparticles was investigated by UV-Visible Spectroscopy (UV) and scanning electron microscopy (SEM). The antimicrobial property of these chitosan nanoparticles were studied against E.coli, S.aureus, S.typhi, P.aureginosa, C.albicans and A.niger and compare with chitosan polymer. CSNPs showed higher …
Published in International journal of Nanobiotechnology · Vol. 3, Issue 1, 2017 · pp. 16–24 Read article
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Biosynthesis of silver nanoparticles using aqueous leaf extract of Muntingia calabura Linn.
Abstract: The present study was focused to synthesis silver nanoparticles using the aqueous leaf extract of Muntingia calabura L. as the reducing agent. The formation of silver nanoparticles was confirmed by colour change from light yellow to dark brownish red, UV-Visible Spectroscopy, FT-IR, X-Ray Diffraction Method (XRD), Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray microanalysis spectroscopy (EDS). The nanoparticles showed an absorbance at 443nm on UV-Visible spectroscopy. The presence of …
Published in International journal of Nanobiotechnology · Vol. 4, Issue 1, 2018 · pp. 9–15 Read article
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Biosynthesis of Nanoparticles : Revi
Abstract: Nanotechnology can be defined as the characterization, exploration and application of nanosized (1-100nm) materials for the development of science. Though chemical methods continue to be analyzed for the shape and size controlled synthesis of metal nanoparticles, they can be nocuous to the environment due to the use of toxic chemicals. Research erstwhile has demonstrated that utilization of biological organisms majorly microorganisms has been emerging as a novel and unique method …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 1, 2017 · pp. 28–35 Read article
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Fungal-Mediated Synthesis of Silver Nanoparticles Using Fusarium Oxysporum and Their Antimicrobial Evaluation
Abstract: Nanotechnology has shown significant antimicrobial properties in the form of metal nanoparticles like silver, copper, and zinc. Silver nanoparticles (AgNPs) are biosynthesized from the fungus Fusarium oxysporum, isolated from infected ginger, which has antibacterial and antifungal properties. The synthesized AgNPs are reddish brown and have a maximum absorbance of 451 nm. The functional groups of AgNPs are investigated using FTIR analysis. SEM-EDX Shows Shape of Particle Spherical-Rod, Size from 6.13 …
Published in International Journal of Applied Nanotechnology · Vol. 10, Issue 2, 2024 · pp. 1–11 Read article
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To study the Properties of Bio Synthesized Silver Nanoparticles
Abstract: Recently colloids silver nanoparticles have attained much attention in global nanotechnology market due to valuable application for catalytic, biomedical, electronics and widely as Antimicrobial agents. In the present work author have synthesized and characterized the Colloids silver nanoparticles with three biosynthesis methods and the detail characterization of particle has been done by UV–Visible spectroscopy, AFM, FTIR, and with DLS techniques. Particles formation was conformed from UV spectra of nanoparticles. Size …
Published in International Journal of Applied Nanotechnology · Vol. 4, Issue 1, 2018 · pp. 34–40 Read article
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Recent Advancement of Nanotechnology in Plant Disease Management
Abstract: Nanoparticles are small size particles having potential to work in large surface area. Size of nanoparticles vary from 1-100 nm. The composition of nano-formulation should break down quickly in the soil and sluggishly in plants with remnant levels under the regulatory standards in foodstuffs. The nanoparticle synthesis methods can be categorized into bottom-up or top-down method Physical- Ball milling, nanolithography, pulsed laser, electrochemical; Chemical- Vaccum deposition and vaporization, chemical vapor …
Published in International Journal of Applied Nanotechnology · Vol. 7, Issue 2, 2021 · pp. 34–42 Read article
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Pharmacognosy of Molecular and Nano Carriers
Abstract: Positioned at the intersection of Pharmacognosy and molecular biology, molecular pharmacognosy has emerged as a novel intermediary discipline. This paper explores the techniques, significance, and landscape of molecular pharmacognosy. The primary emphasis of this manuscript includes the molecular characterization of medicinal raw materials, the phylogenetic history of medicinal plants, assessment and preservation of germplasm resources for medicinal flora, the study of endangered medicinal plant species, and the biosynthesis and bio-regulation …
Published in International journal of Nanobiotechnology · Vol. 11, Issue 1, 2025 Read article
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Impact of Secondary Metabolism on Therapeutic Efficacy of Medicinal Plants
Abstract: Medicinal plants constitute main resource base of almost all the traditional healthcare systems. Most of the herbal drugs produced currently in majority of the developing countries lack proper quality specification and standards. Both the raw drugs and the finished herbal products manufactured contain complex mixtures of organic compounds, such as fatty acids, sterols, alkaloids, flavonoids, polyphenols, glycosides, saponins, tannins, terpenes, etc. The quality of the finished product is based on …
Published in International Journal of Plant Biotechnology · Vol. 4, Issue 2, 2018 · pp. 6–12 Read article
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An Overview of L-Ascorbic Acid Production and Its Applications
Abstract: L-Ascorbic acid is the usually utilized chemical name for the water soluble vitamin C. This vitamin frames a redox system and takes an interest in a few biological procedures. It is personally required in the biosynthesis of collagen, the richest protein in the human body.
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 2, Issue 2, 2016 · pp. 1–5 Read article
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Seaweeds nanoparticles for wastewater treatment
Abstract: Wastewater comprises of organic, biological and inorganic pollutants. By 2020, the world’s population is expected to reach 7.9 billion further, leading to severe water scarcity. Water purification by nanotechnology can be a possible approach as it can eliminate contaminants and help in the recycling process of nanoparticles to control the economy of water treatment technology. Nanotechnology is one of the major fields of modern research which has escalated over the …
Published in International Journal of Green Chemistry · Vol. 4, Issue 2, 2018 · pp. 20–24 Read article
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A New Method of Unicellular Alga Concentration using Hydrogen Bubbles Photoelectroflotation Process Powered by Solar Energy
Abstract: Most of the existing unicellular algae are used to enrich closed ecosystems with pure oxygen in the process of biosynthesis. The concentrate of unicellular algae contains not only living cells, but also the full range of water-soluble metabolites, contained in their nutrient medium. The concentrate of unicellular algae can be used in any existing animal feeding systems, as well as in the production of granular feed. The most interesting is …
Published in International Journal of Analytical and Applied Chemistry · Vol. 9, Issue 1, 2023 · pp. 1–16 Read article