Search
890 articles for “activity”
-
Trichoderma Based Synthesis of Silver Oxide Nanoparticles, Their Characterization and Assessment of Antifungal Activity
Abstract: The fungal spore suspension of Trichoderma harzianum was used for the preparation of AgO nanoparticles. T. harzianum spore suspension acts as reducing and stabilizing agent for the fabrication of nanoparticles. The synthesized nanoparticles were characterized by X-ray diffractometry (XRD), scanning electron microscopy (SEM), energy dispersive X-analysis (EDAX) and transmission electron microscopy (TEM). The AgO nanoparticles were circular in shape with average diameter 10-20 nm. The AgO nanoparticles showed promising antifungal …
Published in International journal of Nanobiotechnology · Vol. 7, Issue 2, 2021 · pp. 19–25 Read article
-
Level of Independence in Activities of Daily Living Among Geriatric People at Old Age Homes of Belagavi
Abstract: A small group descriptive study was conducted on 80 geriatric people to assess their level of independence in activities of daily living (ADL). Objective of the study was to find the level of independence in the activities of daily living. The study samples (geriatric people) were from Old Age Homes in Belagavi, who were selected using purposive sampling technique. The level of independence was assessed using Katz Scale of Independence …
Published in International journal of Nursing Science Practice and Research · Vol. 1, Issue 1, 2015 · pp. 20–23 Read article
-
ISONIAZID STABILIZED TUNGSTEN TRICARBONYL COMPLEX: A NEW CO-RELEASING MOLECULE WITH ANTIBACTERIAL ACTIVITY
Abstract: Transition metal carbonyl complexes substituted with biologically active ligand can act as CO-releasing molecules which have beneficial roles including antimicrobial activity. Careful choices of ancillary ligand such as isoniazid help in eliminating issues of toxicity that may arise from drug substrates. Substitution reaction of tungsten hexacarbonyl with isoniazid in the presence of trimethylamine N-oxide under nitrogen atmosphere was carried out at ambient temperature for 72 hrs. The product was characterized …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 36–43 Read article
-
Lipoxygenase (LOX) enzyme activity ofwheat during grain filling period under conservation agriculture management
Abstract: For smooth and wider adoption of conservation agriculture (CA), remaining uncertainties about its impacts on quality crop yield need to be reduced through study of physiological performance. The objectives of this study were to examine the lipoxygenase (LOX) enzyme activity in flag leaves of wheat as an important factor influencing future grain quality during the grain filling period. This study, carried out over two consecutive wheat growth seasons (rabi season …
Published in International Journal of Plant Biotechnology · Vol. 1, Issue 1-2, 2015 · pp. 1–11 Read article
-
Vesicular–Arbuscular Mycorrhiza Association Alleviates Antioxidant Activity of Bacopa monnieri
Abstract: Methanol extract of Bacopa leaves and ascorbic acid showed a significant scavenging of p < 0.05. The study was conducted to evaluate the effect of vesicular–arbuscular mycorrhiza treatment on antioxidant activity of Bacopa monnieri. Mycorrhiza spores were added to the plants at different time intervals and the plants were categorized as T1, T2, T3 and T4 according to treatments. T1 plants are control, while T2, T3 and T4 plants received …
Published in International Journal of Plant Biotechnology · Vol. 4, Issue 1, 2018 · pp. 24–28 Read article
-
Activated Carbon from Rice Husk for Treating Dye Waste Water
Abstract: This study was undertaken to explore the possibility of utilizing rice husk (RH) for the production of activated carbon because of its abundant, renewable, and biodegradable raw resource, and properties such as its chemical stability, oil absorption, surface area, iodine value, and high reactivity, resulting from the presence of chemically reactive hydroxyl groups. RH is roasted at high % with low cost chemical as catalyst to reduce time, with temperature …
Published in International Journal of Green Chemistry · Vol. 1, Issue 2, 2015 · pp. 29–36 Read article
-
Effect of TiO2 on HER Activity of Electrodeposited Zn–Ni Coatings
Abstract: This paper demonstrates the improved electrocatalytic behavior of Zn–Ni alloy coatings for alkaline hydrogen evolution reaction (HER), due to addition of TiO2 nanoparticles into the bath. Zn–Ni alloy coatings have been electrodeposited galvanostatically on copper, with wide compositional range (2.31–7.91 wt. % of Zn) at different current densities (c.d.) between 2.0 and 5.0 A dm-2. The electrocatalytic behaviors of all coatings have been studied for alkaline HER in 1.0 M …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 1, 2017 Read article
-
Impact of Active Layer Thickness and Incident Beam Intensity on Organic Solar Cell Efficiency
Abstract: Organic solar cell is becoming an emerging and popular field in research because of its various economic and environmental merits. This paper presents the impact of thickness of active layer and incident beam intensity on power conversion efficiency (PCE) of organic solar cell. Bulk heterojunction (BHJ) solar cell is considered with organic active layer of MEH-PPV: PCBM material and Indium-Tin-Oxide (ITO) material as transparent anode onto which beam is incident. …
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 1, 2019 · pp. 19–26 Read article
-
Synthesis , Characterization and Biological Activity of Schiff base Derived from Sulphanilamide and Salicylaldehyde and Its Metal Complexes
Abstract: ABSTRACT : Schiff bases are important intermediates for the synthesis of various bioactive compounds. However, various studies have shown that Schiff bases derived from biologically active ingredients present in medicinal plants are more effective in biological and medicinal activity than in its pure form. In this paper K(I), Ni (II), Mg (II), Cd (II) and Pb(II) Complexes were synthesized from Schiff bases derived from sulphanilamide and Salicylaldehyde. The ligand and …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 1, 2019 · pp. 21–29 Read article
-
Synthesis and Antimicrobial Activity of Schiff base metal complexes derived from Ampicillin with Vanillin
Abstract: ABSTRACT: Metal -drug complexes compounds are more popular nowadays due to their greater biological activity than uncompleted legends of some drugs. However various studies have shown that Schiff base derived from biologically active ingredients present in natural materials in its pure form. In this paper K(I), Pb(II), Sr(II), Co(III), and Ba(II) complexes were synthesized from Schiff base derived from ampicillin and vanillin. The ligand and metal complexes have been screened …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 1, 2019 · pp. 15–20 Read article
-
Syenthesis characterization and biological activities of Schiff base metal complexes of Zr (II) Ba(II), Cu(II), Sr(II) and Th (II) derived from sulfa pyridine
Abstract: Abstract : The Schiff base ligand was prepared by sulfapyridine with salicylaldehyde Zr(II), Ba(II), Co(II), Sr(II) and Th (II) complexes of above ligand was synthesized as well. The synthesized complexes have been characterized by powder XRD and SEM. The anti microbial activity of synthesized ligand ant its complexes have been tested for their antibacterial activity against bacterial species, such as Bacillus subtilis, staphylococcus aureus, Pseudomonas, aeruginosa, Enterobacter aerogenes, E-coli and …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 1, 2019 · pp. 30–37 Read article
-
Ergonomic analysis of Wood Cutting Activity in Traditional Aara Machine with regard to Operator’s Comfort
Abstract: Abstract The paper deals with the field data study using the sample survey for productivity enhancement and ergonomic improvement of manual aara machine activity. The domestic and industrial use of wooden products is prevalent since many decades and centuries. The wood obtained by cutting trees is in irregular shape and size. The Saw mills popularly termed as Aara Machine are used to convert the raw wood logs into perfectly size …
Published in International Journal of Mechanics and Design · Vol. 2, Issue 2, 2016 · pp. 43–46 Read article
-
Solar Powered Motion-Activated Camera Based Surveillance System
Abstract: This study presents the design and installation of a solar-powered motion-activated camera aimed at enhancing security while promoting energy efficiency and sustainability. Using a PIR sensor, the system activates only upon detecting motion, reducing unnecessary power usage and data storage. It operates using solar energy, making it suitable for remote areas. With the help of a photovoltaic panel and a rechargeable battery, the system runs only on solar energy, ensuring …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 11, Issue 2, 2025 · pp. 12–19 Read article
-
Synthesis and Evaluation of Antimicrobial Activity of Some Heterocyclic Moieties of Pyrazole Derivatives
Abstract: In a successful trial to synthesize pyrazole derivatives, acetophenone was, first, reacted with phenylhydrazine producing the Schiffs’s base condensation product (E)-1-phenyl-2-(2-phenylethylidene) hydrazine 1. The application of Vilsmeier Haack’s reaction on this product afforded the cyclization product (1,3-diphenyl-1H-pyrazole-4-carbaldehyde 2 as a pyrazole derivative in good yield percentage. The treatment of (1,3-diphenyl-1H-pyrazole-4-carbaldehyde (2) with acetophenone results in the formation of another pyrazole derivative (3), having a chalcone moiety.The chemical structure of newly …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 10, Issue 1, 2025 · pp. 26–36 Read article
-
Biogenic Silver Nanoparticles: Utilizing Vitex negundo and Eclipta prostrata for Antimicrobial and Antibiofilm Activity
Abstract: This research unveils a straightforward and environmentally friendly method for producing silver nanoparticles by utilizing leaf extracts from Vitex negundo and Eclipta prostata plants. These nanoparticles are garnering significant interest due to their incorporation of biologically active plant compounds, making them ideal for green synthesis. The study highlights the efficacy of this process in creating nanoparticles with unique biological applications. Furthermore, the synthesized nanoparticles demonstrate promising antimicrobial properties and show …
Published in International journal of Nanobiotechnology · Vol. 10, Issue 1, 2024 · pp. 1–16 Read article
-
Antioxidant Activities and Whitening Effects of Bougainvillea and Marigold Flower Extracts
Abstract: The objective of this study is to evaluate the potential of ethanol and aqueous extracts of bougainvillea (Bougainvillea hybrid) and marigold (Tageteserecta L.) flowers as source of cosmetic ingredients with antioxidant and anti-melanogenesis properties. Ethanolic extracts of the marigold flower showed high antioxidant activities according to our DPPH and ferrous metal chelating activities. Ethanolic extracts of the bougainvillea flower demonstrated high tyrosinase inhibitory effects and anti-melanogenesis activities equivalent to that …
Published in International Journal of Plant Biotechnology · Vol. 6, Issue 2, 2020 · pp. 10–14 Read article
-
Effect of Activation on the Physicochemical Parameters and Characteristics of Ethanol Production
Abstract: This research demonstrates the effectiveness of activators used to monitor the yield of ethanol production and the role of the physicochemical parameters. The activators used in this study is Morign oleifera and NPK fertilizer as well as the process enhancing microbial activities in the bioreactor for the production of ethanol. The experimental result reveals that the physicochemical parameters enhance the effectiveness of increase in ethanol production, because the physicochemical parameters …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 2, 2022 · pp. 1–8 Read article
-
Larvicidal Activities of Biosynthesized Zinc and Nickel Nanoparticles using Allium sativum (Garlic) oil on Anopheles spp Larvae Yobe State, Nigeria
Abstract: Emergence of insecticide resistance and their harmful effects on non-target organisms and environment has necessitated an urgent search for development of new and improved mosquito control methods that are effective and safe for non-target organisms and the environment. The present study aims to assess the larvicidal activities of biosynthesized zinc and Nickel Nanoparticles using Allium sativum (garlic) oil against the larvae of malaria Anopheles spp. The garlic oil extracted was …
Published in International journal of Nanobiotechnology · Vol. 7, Issue 2, 2021 · pp. 1–9 Read article
-
Synthesis, characterization, antibacterial activity and in-vitro cytotoxicity of Dy and Fe doped hydroxyapatite nanomaterials
Abstract: Dy- and Fe-doped hydroxyapatite (HAp) was synthesized by the facile aqueous precipitation method. The samples were characterized by using powder X-ray diffraction, Fourier transform infrared spectroscopy and transmission electron microscopy. In this work, the antibacterial activities of Dy- and Fe-doped HAp were tested against gram-positive (Staphylococcus aureus, Bacillus subtilis) and gram-negative (Escherichia coli, Klebsiella pneumoniae and Pseudomonas putida) bacteria by agar diffusion test. It was found that Dy(5)-and Fe(5)-doped HAp …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 46–54 Read article
-
Proximate Analysis and Functional Activities of African Pear Fruit (Dacryodes edulis) Grown in Makurdi, North Central Nigeria
Abstract: Dacryodes edulis (African Pear Fruit) is an indigenous edible fruit that is used for both food and medicine in North Central Nigeria. The nutritional composition and functional properties of Dacryodes edulis were studied using standard analytical techniques. The fruits were analyzed for Physico-chemical characteristics (pH, Titratable acidity and Total insoluble solids), proximate analysis (Crude protein, Ash content, dry matter content), Mineral analysis (Se, Mn) and antioxidant activity (TBARS). The analyzers …
Published in International Journal of Environmental Chemistry · Vol. 12, Issue 1, 2026 · pp. 12–18 Read article