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77 articles for “inhibition zone”
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Synthesis, Characterization and Applications of Poly (2-Methyl Aniline-co-2-Chloro Aniline) and Poly (2-Methyl Aniline-co-2-Chloro Aniline)-Nanocomposite-CuO
Abstract: The copolymer and its composite, poly (2-methyl aniline-co-2-chloro aniline) and poly (2-methyl aniline-co-2-chloro aniline)-nanocomposite-CuO respectively were synthesized by chemical oxidative polymerization method using ammonium persulphate as oxidant, sodium lauryl sulphate as surfactant and HCl as dopant. The synthesized copolymer and composite were characterized by FTIR, UV-Visible and 1H NMR spectroscopy. The thermal stability was determined by TGA/DTA. The copolymer and copolymer nanocomposite with CuO were found to be thermally more …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 7, Issue 3, 2016 · pp. 35–45 Read article
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Green Synthesis and Characterization of Silver Nano-conjugates Using Heliotropium indicum and Glycosmis pentaphylla Leaf Aqueous Extracts
Abstract: Heliotropium indicum Linn. (Family Boraginaceae), an annual herbaceous medicinal plant, is usually known as Indian heliotrope. Glycosmis pentaphylla (Retz.) DC (Family Rutaceae) is a perennial shrub, commonly known as orange-berry. These traditionally used medicinal plants originate from tropical and temperate parts of the world along with India, Southeast Asia, Northern Australia, and some other African countries. Extensive literature studies suggested that the different parts of the plant are reported to …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 2, 2019 · pp. 22–30 Read article
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Inhibition of Growth of Selected Bacterial Species Through the Use of Methanolic Maceratives of Black Soldier Fly Pre-Pupae
Abstract: The attempt is dealing with of analysis of effect of maceratives of prepupal stages of black soldier fly (BSF) (Hermetia illuncens L.) in methanol on the inhibition of the growth of selected bacterial species. The bacterial species used for the study include: Salmonella typhimurium (L.); Escherichia coli (L.); Pseudomonas aeruginosa (L.); Bacillus cereus (L); Bacillus subtilis (L); Streptococcus cremoris (L); Streptococcus faecalis (L); Staphylococcus aureus (L); Klebsiella pneumoniae (L); Salmonella …
Published in Journal of Catalyst & Catalysis · Vol. 8, Issue 2, 2021 · pp. 30–44 Read article
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Microbial Inhibition of Copper Nanoparticles Produced by Chemical Method
Abstract: In the modern era of science, copper nanoparticles (Cu-Nps), attributable to their fascinating properties, low price preparation and lots of potential applications in chemical process, cooling fluid or semiconducting inks and bio applications, have attracted lots of interest. Cu-Nps gains attention from its useful properties like the great thermal and electrical physical phenomenon at less cost unlike silver. In this study, the synthesis, optical properties, morphology and bacterial behavior of …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 2, 2015 · pp. 15–22 Read article
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Preparation of Oral Gels Containing Ethanolic Extract of anacardiumoccidentale L and Characterization
Abstract: The anti-microbial activity of gel containing Anacardiumoccidentale L. leaf extract was investigated. A total of four formulations (ST1–ST4) and a control (without leaf extract) were prepared. All the formulations were evaluated for physical appearance and physical properties of gel like pH, viscosity, spreadability and extrudability. The results of all the physical parameters of the gel were found to be within the limits. All the four formulations including control were evaluated …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 2, Issue 3, 2015 · pp. 16–20 Read article
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Evaluation of Antibacterial Sensitivity of Euphorbia hirta Linn. Leaf Extract
Abstract: AbstractEuphorbia hirta L. (Asthma Lata), a pantropic herbaceous wild plant which has been widely used as a medicinal plant throughout Bangladesh. The present study was designed to evaluate the antimicrobial activity of ethanolic and methanolic leaf extracts of E. hirta against six pathogenic bacteria viz. Bacillus subtilis, Sarcina lutea, Xanthomonas campestris, Escherichia coli, Klebsiella pneumonia and Pseudomonas sp. by disc diffusion method. Both crude extracts of E. hirta exerted the …
Published in Research & Reviews : Journal of Herbal Science · Vol. 2, Issue 1, 2013 · pp. 13–17 Read article
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PCR identification of blaTEM gene mediated for ESBL drug resistance in Salmonella typhi
Abstract: Objective: The aim of the present study to identify the presence of R-plasmid and detect the blaTEM gene encodes for ampicillin resistance.Materials and Methods: Salmonella typhi organisms isolated from widal positive blood samples and screened by standard screening methods. Antimicrobial susceptibility test by Kirby-Bauer disc diffusion method and MIC by agar dilution method for Ampicillin performed as per Clinical Laboratory Standard Institute (CLSI) guidelines. ESBL detection by phenotypic confirmatory test, …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 6, Issue 2, 2016 · pp. 1–6 Read article
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Study on Efflux Pump Inhibition Activity of Marine Actinomycetes against Oflaxcin Resistsnt M. tuberculosis
Abstract: Studies were conducted to isolate marine actinomycetes active against oflaxcin resistant M. tuberculosis. Out of 25 actinomycetes isolates designated as ECRMP 4 showed potent antimycobacterial activity against all three tested Mycobacterial strains. Representative bioactive isolate was characterized using phenotypic property and identified as Micropolyspora sp. The zone of inhibition was 20 ± 0.1 mm (62% RIZD) against M. tuberculosis and 18 ± 0.6 mm (100% RIZD) against OFLR M. tuberculosis. …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 4, Issue 2, 2014 · pp. 25–30 Read article
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Characterization of Synthesized Heterocyclic Oxadiazole Derivatives Using Mass, UV, IR, and NMR Spectroscopy, Among other Spectroscopic Techniques: Review
Abstract: The current study synthesized and assessed 3-heteroarylazo 4-hydroxy coumarin derivatives' initial antibacterial activities in vitro against four distinct pathogenic bacterial strains, including Pseudomonas aeruginosa, Bacillus subtilis, Escherichia coli, and Staphylococcus aureus. Ampicillin, a common medication, was used to compare each compound's antibacterial properties. UV, IR, 1H NMR, mass spectroscopy, and X-ray diffraction examinations were used to analyze the compounds. By using UV–vis spectra, the solute-chromic behavior of these compounds was …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 1, Issue 1, 2023 · pp. 28–33 Read article
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In vitro Testing of the Antibacterial Activity of Root Extracts of Chlorophytum borivilianum against Organisms Causing Postnatal Infections
Abstract: ABSTRACTThe present study was carried out to study the antibacterial activities of root extracts of Chlorophytum borivilianum. The extract was prepared using different solvents like water, Tris-HCl, phosphate buffer, isopropanol, butanol-water and acetone. The antibacterial activity was tested against different bacteria like Staphylococcus aureus, Klebsiella, Proteus, Pseudomonas aeruginosa and Escherichia coli which cause postnatal infections, by agar diffusion method. Zone of inhibition produced by different extracts was tabulated. Butanol-water extract …
Published in Research & Reviews : Journal of Herbal Science · Vol. 1, Issue 3, 2012 · pp. 1–7 Read article
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Antibacterial Activity of Plant Extracts and Its Phytochemical Analysis
Abstract: Emergence of multi-drug resistance in human and animal pathogenic bacteria as well as undesirable side effects of certain antibiotics has triggered immense interest in the search for antimicrobial drug of plant origin since there is no resistance developed to the drugs that are of plant origin. The antibiotic resistance was observed by testing with commonly used antibiotics against test microorganisms and then diameter of zone of inhibition was compared to …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 1, 2019 · pp. 1–11 Read article
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The ability of Henna Leaf Extract to affect The growth of some Fungi
Abstract: The study was conducted by preparing an aqueous extract of henna leaves, which were collected from A garden in a house located in Najaf Governorate was used to test the inhibitory effects of an extract against two fungal isolates: Aspergillus niger and Candida albicans. The extract was prepared in a series of concentrations: 5, 10, 15, 20, and 25 mg/ml. The results showed an inhibitory effect of the concentrations used …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 15, Issue 2, 2025 Read article
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Formulation and Evaluation of Polyherbal Soap with Antibacterial and Dermatological Benefits: A Polymer Chemistry Approach
Abstract: This study investigates the formulation and evaluation of polyherbal soap composed of extracts from Vitex negundo, Azadirachta indica, and Curcuma longa. These plants possess significant antibacterial, dermatological, and skin-nourishing properties. The soap formulation follows a saponification process using coconut oil and sodium hydroxide as primary reactants, incorporating polymer chemistry principles in soap structuring and stability. Polymers such as polysaccharides and fatty acid chains contribute to the stability, viscosity, and foaming …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 158–164 Read article
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Curry Leaf Extracts as a Natural Antimicrobial Agent for Eco-Friendly Tomato Disease Control
Abstract: Tomatoes (Solanum lycopersicum) are a vital horticultural crop worldwide, valued for their nutritional and economic importance. However, bacterial diseases significantly threaten yield and quality. This study investigates the antimicrobial potential of Murraya koenigii (curry leaf) extracts as a sustainable alternative to synthetic pesticides. Ethyl acetate, methanol, and aqueous extracts were prepared and tested at 50 and 200 µg/mL against Xanthomonas campestris and Pseudomonas syringae. Ethyl acetate extracts exhibited superior antimicrobial …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 14, Issue 2, 2025 · pp. 54–58 Read article
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Water Chestnut Stem-Derived Biochar Supported AgNPs/AC-CTS-PVA Composite Gel for Wastewater Treatment and Potent Antibacterial Performance
Abstract: In the present study, green and efficient Ag-NPs functionalized activated carbon/chitosan-polyvinyl alcohol (AgNPs/AC-CTS-PVA) composite gel was successfully synthesized using water chestnut stem-derived biochar for wastewater treatment and antibacterial applications. The composite was characterized by FTIR, XRD, SEM-EDX, and TGA analyses, confirming the successful incorporation of crystalline Ag nanoparticles within the polymeric matrix and improved thermal stability. The material was tested regarding the removal of the dye of methylene blue (MB) …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1129–1144 Read article
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Regional Variation in Amino Acid Composition, Antioxidant and Antimicrobial Activity of Tasar Sericin from North and South Bihar
Abstract: This study investigates geographical differences in biochemical and functional characteristics of sericin obtained from Antheraea mylitta cocoons sourced from two regions of Bihar, India: Bhagalpur (North) and Banka (South). Sericin was isolated via an alkali-assisted autoclaving process. Amino acid profiles were determined using HPLC. Free radical scavenging capacity was measured through DPPH, ABTS, and hydrogen peroxide assays. Antibacterial and antifungal effects were tested against Staphylococcus aureus, Escherichia coli, and Candida …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 16, Issue 2, 2026 Read article
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Isolation of Lactobacillus Acidophilus with A High Acid-Producing Capacity and Its Common Characteristics
Abstract: Some strains of lactobacilli like spore Lactobacillus offer good merits in normalizing intestinal micro biota, resisting selectively to intestinal pathogens, exerting resistance to heat, acid and antibiotics, and are of good storage stability. This research work has been conducted in order to isolate a certain strain of Lactobacillus that offers high resistance to the gastric acid, bile and pathogens, and mutualistic symbiosis with useful intestinal microbes, and identifying its characteristics …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 13, Issue 3, 2023 · pp. 1–6 Read article
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Regional Variation in Amino Acid Composition, Antioxidant and Antimicrobial Activity of Tasar Sericin from North and South Bihar
Abstract: This study investigates geographical differences in biochemical and functional characteristics of sericin obtained from Antheraea mylitta cocoons sourced from two regions of Bihar, India: Bhagalpur (North) and Banka (South). Sericin was isolated via an alkali-assisted autoclaving process. Amino acid profiles were determined using HPLC. Free radical scavenging capacity was measured through DPPH, ABTS, and hydrogen peroxide assays. Antibacterial and antifungal effects were tested against Staphylococcus aureus, Escherichia coli, and Candida …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 16, Issue 2, 2026 · pp. 1–10 Read article
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Alcoholic and Aqueous Extract of Eucaluyptus Globules Posses Antimicrobial Activity and Antifungal Property Confined only to Alcoholic Extract
Abstract: Alcoholic and aqueous extract of leaves of Eucalyptus globulus was studied for in vitro for its antimicrobial and antifungal activity. The study was done against gram-positive bacteria (Staphylococcus aureus), gram-negative bacteria (Escherichia coil and Pseudomonas aeruginosa) and fungus (Candida albicans). The evaluation was done by determining its inhibition zone. Result demonstrated that alcoholic extract has broad spectrum antibacterial and antifungal activity on gram-positive bacteria, gram-negative bacteria and fungus, whereas the …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 7, Issue 3, 2016 · pp. 26–29 Read article
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Study of Biochemical Compounds and Antimicrobial Activity of Pleurotus Florida Mushroom
Abstract: In this study, the nutritional values of dietary mushrooms Pleurotus florida (P. florida) that are very popular among the cultivated mushrooms in India have been determined. P. florida is widely cultivated as it is rich in nutrients and its components. P. florida is useful in biomass production in commercial level as it contains proteins and minerals. In this study, the value added biochemical compounds in P. florida were analyzed from …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 4, Issue 3, 2014 · pp. 7–9 Read article