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77 articles for “inhibition zone”
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POTENTIAL BIOPRESERVATIVE EFFECT OF ANTIMICROBIAL PEPTIDES OF SEEDS OF Vigna unguiculata (Cow Pea) ON Hibiscus sabdariffa L. (Roselle) Calyces (Zobo) DRINK
Abstract: Natural and efficient food preservatives are in greater demand because of growing concerns about the safety and quality of processed beverages. Antimicrobial peptides have emerged as promising natural substitutes for synthetic preservatives, boasting advantages like wide-ranging activity and reduced toxicity. In this research, we investigate the inhibitory effects of these peptides against common spoilage microorganisms in 'Zobo' drink. Peptides were extracted and purified from germinated Vigna unguiculata) seeds harvested on …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 14, Issue 1, 2025 · pp. 26–41 Read article
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Copper Sulfide Semiconducting Nanoparticles for Antibacterial Applications: Synthesis Strategies, Mechanisms and Performance – A Review
Abstract: Copper sulfide nanoparticles (CuS NPs) have drawn growing attention as a next-generation antibacterial platform, owing to their tunable structural, optical, and catalytic properties. This review consolidates current evidence on CuS NP synthesis, mechanisms, and antibacterial performance, comparing chemical and green synthesis routes alongside the effects of morphology, doping, and surface modification. Mechanistically, CuS NPs act through several overlapping pathways, including reactive oxygen species generation, bacterial membrane disruption, ion release, and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 236–253 Read article
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Evaluation of Antimicrobial and -Amylase Inhibitory Activity of Selected Medicinal Plants
Abstract: During this study we evaluated the a-amylase inhibitory activity and antimicrobial activity of different extracts of Psidium gujauva, Allium sativum, Withania sominfera, and Piper nigrum. Antimicrobial potential was observed against Escherichia coli and Staphylococcus aureus. The plant extracts were prepared with chloroform, ethanol, acetone and distilled water. Each extract was evaporated using rotary evaporator, under reduced pressure. Different concentrations (10, 20, 40, 60, 80, and 100 μg/ml) of each extract …
Published in Research & Reviews : Journal of Herbal Science · Vol. 4, Issue 1, 2015 · pp. 15–28 Read article
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Cynodon Dactylon: Antimicrobial Potential of Crude Extract as Valuable Medicinal Plant
Abstract: Cynodon dactylon (Poacae) is a well known traditional plant used as a folk remedy in treatment of many symptoms and diseases like cramps, measles, tumors, wounds, warts, fever and rheumatic affections. In this study, the antimicrobial activity of the plant crude extract from three different extraction (hot and cold aqueous extraction, methanol extraction) was investigated against some of the gram positive bacteria (Staphylococcus epidermidis, Bacillus cereus) and gram negative bacteria …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 4, Issue 3, 2014 · pp. 6–11 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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Promising Antimicrobial Compounds from an Endophytic Fungus Penicillium daleae EF 4 Isolated from the Seaweed Enteromorpha flexuosa Linn.
Abstract: AbstractThe present aim of the study is to isolate the endophytic fungi from various seaweeds and to screen their bioactivity, to analyze the β-lactamase inactivator and to evaluate the interactions between the crude extract of Endophytic fungi Penicillium daleae EF 4 and two antibiotics (penicillin G and tetracycline), against some antibiotic resistant bacterial strains. Seaweeds collected from various places of Bay of Bengal coast was subjected to Endophytic fungal isolation. …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 9, Issue 1, 2019 · pp. 26–39 Read article
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Antibacterial, Cytotoxicity Studies of Azukia mungo (L.) Masam and Correlation with in silico Docking Studies
Abstract: Introduction and Background: Azukia genus plants rich in proteinaceous anti-nutrients like tannins (especially condensed tannins) has been shown to have anti-bacterial activity against Staphylococcus aureus and antineoplastic activity against lung and liver cancer cells. Five types of procyanidins (condensed tannins) have already been isolated from Azukia mungo and structurally elucidated. But its activity against the Methicillin resistant Staphylococcus aureus (MRSA) has not yet been shown. Hence we focus our work …
Published in Research and Reviews: A Journal of Toxicology · Vol. 7, Issue 2, 2017 · pp. 21–31 Read article
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Eco-Friendly Synthesis of MgO Nanoparticles and Their Antibacterial Performance
Abstract: Nanoparticles (<100 nm in size) due to their enhanced surface area and high chemical reactivity have been a boon, ranging from micro to macro level. This has increased its applicability in various fields such as Food, textile, environment, biomedicine etc. Various metal oxides have been employed in Biomedical applications for their antibacterial, antioxidant and anticancerous activities. But MgO NPs have received much attention due to their high stability, non-toxicity and …
Published in International Journal of Advance in Molecular Engineering · Vol. 3, Issue 1, 2025 · pp. 33–41 Read article
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Phytochemical Screening and Biological Activity of Pomegranate Extracts
Abstract: Pomegranates are renowned for their abundance of bioactive compounds that exhibit potent antioxidant, anti-inflammatory, and antimicrobial properties, making them a subject of growing interest in natural medicine. This study aimed to compare the biological activities of ethanolic extracts derived from different parts of the pomegranate plant—specifically, the bark, peel, and leaves. A comprehensive investigation was conducted to evaluate their phytochemical composition and assess their antimicrobial, antioxidant, and anticancer properties. The …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 12, Issue 2, 2025 · pp. 64–79 Read article
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Electrospun Antibacterial Polymer Composite Scaffolds Incorporating Silver Nanoparticles for Enhanced Wound Healing
Abstract: The present study focuses on the synthesis and characterization of electrospun polycaprolactone (PCL)/chitosan nanofiber scaffolds incorporated with silver nanoparticles (AgNPs) to enhance antibacterial activity and biological performance. Uniform nanofibers with controlled morphology were fabricated using electrospinning, and different AgNP concentrations were introduced to investigate their influence on fiber structure, antimicrobial response, and cellular interactions. Scanning electron microscopy (SEM) revealed that increasing AgNP content resulted in well-distributed fibers with reduced diameters, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 1025–1051 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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Preparation and Characterization of Clay-Based Hybrid Membranes for Antibacterial Biodegradable Polymer Wound Dressings
Abstract: Recent developments in the field of polymer chemistry have resulted in many new forms of Hybrid polymer. This has further revolutionized the application of polymer chemistry in numerous fields. In this research, we manufactured clay-based hybrid membrane by adding clay to the biodegradable matrix of chitosan polymer. It is widely known that microbial and pathogenic organisms are responsible for wound hampering infections such as impetigo. They can spread in bodily …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 13–20 Read article
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Benzimidic Acid Derivatives as Potential Anti-Escherichia coli Agent for Preventing Nosocomial Infections
Abstract: Based on the global fame of benzimidic acid/benzoic acid derivatives in exhibiting antimicrobial activities against a variety of pathogens (particularly nosocomial infections), two novel compounds (S1 and S2) of benzimidic acid scaffold were rationally designed from a hydrazine derivative and fabricated using the conventional synthesis technique. Through sophisticated instruments, the molecules were comprehensively characterized and investigated for antibacterial activity against pathogenic Escherichia coli strain (MTCC 2961). The novel benzimidic compound …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 9, Issue 1, 2020 · pp. 11–15 Read article
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Phenotypic detection of ESBL production in Escherichia coli isolated from UTI patients of Kalaburagi city, Karnataka, India
Abstract: Aim: The principle aim of present conducted study was phenotypic detection of extended spectrum ß-lactamase (ESBL) production in Escherichia coli strains isolated from urinary tract infected patients of Kalaburagi city, Karnataka, India.Materials and Methods: The positive E. coli isolates selected for the following study was isolated from urine sample of UTI patients. The screening of positive E. coli was done and antibiotic susceptibility test and MIC were determined as per …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 7, Issue 2, 2017 · pp. 1–6 Read article
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Screening of Phytochemical Constituents Towards Antimicrobial Potency of Hygrophila schulli
Abstract: The present study was carried out to determine the invitro antibacterial and antifungal and phytochemical activity of Hygrophila schulli. In this study antimicrobial activity of leaves of Hygrophila schulli was studied by analyzing in different concentrations ranging from 100-500µg. We observed that at higher concentrations (>300 µg) ethanolic extract of Hygrophila schulli showed certain significant antimicrobial effect. Antimicrobial activities against Escherichia coli, Fusarium verticillioides, Klebsiella sp., Aspergillus flavus, Pseudomonas aeruginosa, …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 1, Issue 1, 2011 · pp. 1–5 Read article
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Screening of Secondary Metabolites for Estimating Antimicrobial and Antioxidant Potency of Clitoria ternatea (L.)
Abstract: The present study was carried out for the screening of secondary metabolites for estimating the antimicrobial potency of Clitoria ternatea (L.). In this study antimicrobial activity of leaves of Clitoria ternatea were studied by analyzing in different concentrations ranging from 100–500 µg. We observed that at higher concentrations (>300 µg) ethanolic extract of Clitoria ternatea showed certain significant antimicrobial effect. Antimicrobial activities against Escherichia coli, Fusarium verticillioides, Klebsiella sp., Aspergillus …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 1, Issue 1, 2011 · pp. 1–6 Read article
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A Comparative Study of Plant Mediated Synthesis of Silver, Copper and Zinc Nanoparticles from Tiliacora acuminata (lam.) Hook. F. and Their Antibacterial Activity Studies
Abstract: Green synthesis of nanoparticles is becoming more and more popular due to its compensation over physical or chemical methods. This research was carried out to the synthesis of nanoparticles employing three different metals (silver nitrate, copper and zinc sulphate) using Tiliacora acuminata (family: Menispermaceae) fruit powder. The synthesized nanoparticles were characterized through the UV-Vis Spectrophotometer, FT-IR and X-Ray Diffraction studies. The antibacterial activity of nanoparticles was studied against disease causing …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 1, 2019 · pp. 72–83 Read article
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Biosynthesis, Characterization and Antibacterial Studies of Silver Nanoparticles from Tamil Nadu Major Crop Anacardium occidentale
Abstract: Recent studies have shown that Silver Nanoparticles have physical, optical and catalytic properties. Present work involves the eco-friendly and reproducible synthesis of Silver Nanoparticles from the Anacardium occidentale leaves extract. The synthesized silver Nanoparticle from 1 mM AgNO3 solution through the leaf extract were characterizing was monitored using Ultraviolet-visible (UV-vis) spectrophotometer, Scanning electron microscopy (SEM), Energy Dispersive X-ray Spectroscopy (EDX), X-ray powder diffraction (XRD) and Fourier transform infra-red spectroscopy (FT-IR).Scanning …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 20, Issue 3, 2018 · pp. 13–22 Read article
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Strain Improvement of Lactobacillus casei Strain Shirota for Production of Bacteriocin and Its Utilization as a Biopreservative
Abstract: Food is a great concern for humans as well as for animals; also because as we buy vegetables and fruits from the market and after some days with or without refrigeration, they start getting spoiled. To minimize the spoilage and make them preserve for a long period, we did this research on preservation of vegetables and fruits using lactobacillus casei isolated from the Yakult and testing in vitro against spoilage …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 9, Issue 2-3, 2020 · pp. 18–31 Read article
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Antibacterial Activity of Seed Extracts of Okra (Abelmoschus esculentus) against Selected Pathogens
Abstract: The aim of the study was to determine the antibacterial potency of aqueous and ethanoic extracts of Abelmoschus esculentus seeds. Antibacterial activity of aqueous and ethanoic extracts of A. esculentus seeds were evaluated against selected foodborne pathogens; Listeria monocytogenes, Bacillus cereus, Salmonella enterica, Staphylococcus aureus and Escherichia coli) using agar well diffusion method by measuring the clear zone of inhibition diameter in (mm). It was observed that the aqueous and …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 6, Issue 1, 2017 · pp. 1–5 Read article