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38 articles for “agar diffusion”
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Antibacterial and Antifungal Activities of Mirabilis jalapa of Indian Origin
Abstract: The in vitro antimicrobial activity of Mirabilis jalapa leaf extract was studied against selected pathogenic and non-pathogenic microorganisms Escherichia coli, Bacillus subtilis, Klebsiella pneumoniae, Penicillium chrysogenum, Auriparus flaviceps and Trichoderma viridae by using agar diffusion and broth dilution methods. Leaves were extracted using solvents petroleum ether, chloroform and methanol. Among the solvents tested, petroleum ether and chloroform extracts showed good antimicrobial activity against the selected pathogens. The growth inhibitors were …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 2, Issue 2, 2012 · pp. 1–10 Read article
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An Assessment of the Phytochemical Properties and Antimicrobial Activity of Selected Tree Species
Abstract: Currently, more people are becoming aware of the value of medicinal plants also. Compared to other medications, drugs made from plants are readily available, affordable, safe, and have few to no adverse effects. In the present study, we investigate the phytochemical screening and enumerate the antimicrobial activity of the selected tree species of Sapindus emarginatus, Murraya koenigii, Mangifera indica, Sterculia fodita, and Tamaridus indica. The plant extracts were prepared by …
Published in Research & Reviews : Journal of Botany · Vol. 12, Issue 1, 2023 · pp. 1–6 Read article
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Characterization of Antibacterial and Biofilm Inhibition in Tin and Zinc Oxide Nanoparticle-Doped Orthodontic Composites
Abstract: Background: This study investigated the antibacterial effectiveness of orthodontic adhesive enhanced with stannous oxide (SnO₂) nanoparticles against Lactobacillus acidophilus and Streptococcus mutans, in comparison to traditional adhesives without nanoparticle infusion. Methods: A modified orthodontic adhesive was prepared by incorporating 1% w/w of tin dioxide and zinc oxide nanoparticles (SnO₂ + ZnO₂ NPs) into Transbond XT. This nanoparticle-enhanced composite was used to fabricate discs for assessing antibacterial activity against Lactobacillus acidophilus …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 230–239 Read article
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Antibacterial Activities of Crude Extract from Infected Cocoa Against Abscess Forming Bacteria
Abstract: In this study, the antibacterial activity of crude phytoalexin extracted from matured cocoa pod against abscess forming bacteria was investigated. The crude phytolexin was extracted using redistilled dichloromethane after five days of post infection. Different concentrations (50, 100, 150 and 200 mg/ml) of the extract were tested against abscess forming bacteria namely; Escherichia coli, Staphylococcus aureus, Klebsiella Pneumoniae, Pseudomonas aeruginosa and Enterococcus faecium using paper disc and agar diffusion methods. …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 2, Issue 3, 2015 · pp. 21–27 Read article
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In Vitro Screening of Antibacterial Potentiality of Some Important Flowers’ Extracts Against Some Pathogenic Bacteria
Abstract: Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 The present investigation was carried out to screen and evaluate the antibacterial activities of different flowers, namely, Calendula officinalis, Rosa damacena, Hibiscus rosa-sinensis, Datura stramonium, Bougainvillea stabilis, and Vinca rosea. These flowers were screened for potential antibacterial activity against some important bacterial Gram negative and Gram positive bacteria strains, namely Escherichia coli, Salmonella typhi, Staphylococcus aureus, and E. faecalis. Dried leaf …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 1, Issue 3, 2011 · pp. 9–19 Read article
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Antibacterial Activity of Leaf and Flower Extract of Lablab purpureus against Clinical Isolates of Staphylococcus aureus
Abstract: The present study was undertaken to determine inhibitory activity of leaf and flower extracts of Lablab purpureus against clinical isolates of Staphylococcus aureus. Agar well diffusion assay was performed to determine antibacterial activity. Among extracts, the flower extract has shown marked inhibition of S. aureus isolates. It can be concluded that the leaf and flower extracts possess inhibitory components. The bioactive components present in the plant are to be separated …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 1, Issue 2, 2014 · pp. 5–7 Read article
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Properties and antimicrobial activity of bacterial nanocellulose composite incorporated with silver nanoparticles based on green synthesis
Abstract: Green silver nanoparticles (AgNPs) synthesized using medical plant extracts as capping and reducing agents demonstrate broad applicability in addressing the threat posed by infections. In this study, we present a sustainable, low-toxicity, and cost-effective bacterial nanocellulose composite with silver nanoparticles based on green synthesis that uses Origanum vulgare as a reducing agent due to numerous biological components. The formation of AgNPs in composite and morphological properties was analyzed using scanning …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 323–328 Read article
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Inclusion of Silver Ions into Modified Cellulosic Fabrics for Durable and Improved Antibacterial Activity
Abstract: Silver ions were added to β-cyclodextrin-grafted organic cotton to create antibacterial fabrics that are more effective and long-lasting. In the presence of sodium hypophosphite, citric acid was used as a cross-linker to graft β-cyclodextrin onto the fabric, cementing the structure for ten minutes at 150°C. The presence of silver ions on the grafted fabric was verified by UV-visible and FTIR spectral studies of β-cyclodextrin, β-cyclodextrin-grafted fabric, ungrafted fabric, silver ions, …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 11, Issue 3, 2024 · pp. 39–52 Read article
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Excoecaria agallocha Extract from Leaves Encounters Antifungal, Antibacterial, and Cytotoxic Activity – In Vitro Studies
Abstract: Mangroves contain a wide range of bioactive substances, certain of and these have been used as solutions for a variation of conditions for thousands of years. Excoecaria agallocha leaf application components have been extracted in the presence of organic solvents along with water-based with a Soxhlet apparatus and antibacterial research properties employing diffusion agar well assays towards nine different kinds of culture infectious agents, six clinical trials isolated compounds, as …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 15, Issue 2, 2025 · pp. 1–7 Read article
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Polymer-Coated Composite Granules of Clarithromycin: Design, Characterization, and Functional Evaluation for Taste Masking and Antibacterial Performance
Abstract: Background: Masking the unpleasant taste of clarithromycin is essential to improve patient adherence, especially among pediatric and elderly groups. However, enhancing palatability while maintaining its antibacterial effectiveness remains a significant formulation challenge. This study focused on developing polymer-coated clarithromycin granules (B1–B10) using novel non-sugar-based polymers and assessing their antibacterial activity against Staphylococcus aureus Methods: Clarithromycin granules were produced using a fluidized bed coating technique with non-saccharide polymers, specifically Eudragit E-100 …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1042–1050 Read article
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A Comparative Study of the Antimicrobial Activity of Cinnamomum zeylanicum and Thymus vulgaris Essential Oils with Chlorhexidine on Salivary Streptococcus mutans and Candida albicans
Abstract: The antimicrobial effectiveness of essential oils has been broadly investigated in vitro against various pathogens. However, to our knowledge, there is a lack of reports on evaluating the antimicrobial activities of cinnamon essential oil (CEO) and thyme essential oil (TEO) versus chlorhexidine on oral Streptococcus mutans and Candida albicans. Here, we evaluated and compared the in vitro antimicrobial capabilities of CEO and TEO on oral S. mutans and C. albicans …
Published in Research and Reviews: A Journal of Dentistry · Vol. 10, Issue 1, 2019 · pp. 1–7 Read article
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Modified Cellulosic Fabrics with Eugenol Added for Longer-Lasting and Better Antibacterial Activity
Abstract: Eugenol was added to cyclodextrin-grafted organic cotton to create antibacterial textiles with increased efficacy and durability. Grafting of β-cyclodextrin on fabric was done with citric acid as cross linker in the presence of sodium hypophosphite by fixing at 150oC for 10 min. UV-Visible and FTIR spectral studies of β-Cyclodextrin, β-Cyclodextrin-grafted fabric, ungrafted fabric, eugenol and eugenol –loaded fabric confirmed the inclusion of eugenol on grafted fabric. Eugenol was recovered from …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 14, Issue 1, 2023 · pp. 14–28 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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Antioxidant Activity of Bacopa monnieri, Tagetes, Withania somnifera and Formulation of Polyherbal Hair Oil
Abstract: The purpose of this research is to evaluate the chromatographic antioxidative activity and thin-layer analysis of medicinal plant leaves. Its antioxidant activities were calculated by calculating its radical scavenging DPPH and radical scavenging ABTS and were obtained in 35.08 per cent, 32.12 per cent, 17.22 per cent, for this research Bacopa monnieri and Withania somnifera. AGAR diffusion assay was used to carry out antibacterial extract activity, and its antibacterial effect …
Published in Research & Reviews : Journal of Herbal Science · Vol. 9, Issue 2, 2020 · pp. 15–19 Read article
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Encapsulation of Karela Extract in Polymer Nanoparticles
Abstract: Karela (Momordica charantia) fruit extract possesses promising antibacterial properties. However, its direct application can be limited by factors like degradation and uncontrolled release. This study explores the encapsulation of Karela extract within biocompatible and biodegradable polymeric nanoparticles as a potential strategy to enhance its efficacy. The research investigates the development of nanoparticle systems using various polymers and their impact on the stability, controlled release, and antibacterial activity of the encapsulated …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 864–867 Read article
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Formulation, Evaluation, and Stability Studies of a Topical Clotrimazole and Zinc Oxide Suspension with Enhanced Skin Protective Properties
Abstract: Background: Clotrimazole is a well-known antifungal agent frequently used in the treatment of various superficial fungal infections, while Zinc Oxide is a widely accepted skin protectant with soothing, astringent, and antimicrobial properties. Combining these agents in a topical suspension offers a dual therapeutic approach, enhancing both antifungal efficacy and skin protection. Objective: The objective of this study was to formulate, evaluate, and conduct stability studies on topical suspensions containing Clotrimazole …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 12, Issue 3, 2025 · pp. 22–31 Read article
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Prevalence and Antibiogram Profile of Uropathogens Isolated from Symptomatic and Asymptomatic Female Patients with Urinary Tract Infections and its Associated Risk Factors: Focus on Cephalosporin
Abstract: Urinary tract infections (UTIs) are common among women. Here, the present study probes the prevalence of urinary tract infection (UTI), assess the adequacy of empirical therapy, susceptibility of antibiotics and resistance pattern of bacteria responsible for UTI and its associated risk factors. A total of 1309 urine samples were collected from UTI suspected female patients of tertiary care hospitals between the ages of 18-49. Moreover, a total of 207 urine …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 7, Issue 1, 2018 · pp. 32–41 Read article
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Evaluation of Antimicrobial Activity of Some Medicinal Plants against Most Prevalent Diabetic Wound Pathogens
Abstract: The present research work attempts to evaluate antimicrobial activity of 90% ethanolic extracts of three traditional medicinal plants viz. Terminalia bellirica, Terminalia chebula, Pyhllanthus emblica. Since ethanol is the best solvent for dissolving antimicrobial compound present as active phytoconstituents in plants, these plants were extracted with ethanol. Each extract was tested for its antimicrobial activity against three most prevalent pathogenic microorganism associated with diabetic wounds, viz. Staphylococcus aureus (MTCC3160), Pseudomonas …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 4, Issue 1, 2015 · pp. 13–20 Read article
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Effect of Leaf or Bud Extract of Euphorbia hirta L. using Different Solvents against Human Pathogenic Bacteria Staphylococcus aureus
Abstract: AbstractAntibacterial effects of leaf or bud extract of selected medicinal herb Euphorbia hirta L. were examined using agar disc diffusion method against test bacteria Staphylococcus aureus. Different solvents such as methanol, ethanol, dimethyl sulfoxide and aqueous were used for extraction. Maximum in vitro inhibition was observed in methanol extracts of Euphorbia hirta L. which offered inhibition zone of 20 mm and zone of inhibition area of 471.00 mm² against S. …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 8, Issue 3, 2018 · pp. 1–4 Read article
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Screening and Characterisation of Antibacterial Actinomycetes Isolated From Earthworm
Abstract: The actinomycetes are considered to be the most potent source for the production of secondary metabolites, antibiotics and other bioactive compounds. The present study dealt with the isolation of the actinomycetes from the earthworm, Eisenia fetida. The actinomycetes were identified using slide culture technique and various biochemical tests. The isolates (S1 and S2) showed activity against Gram positive and Gram negative bacteria in primary screening by perpendicular streak method. In …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 9, Issue 1, 2019 · pp. 77–84 Read article