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652 articles for “isolate”
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Comparison of the Effects of Voriconazole and its Nanogel form on Aspergillus Flavus Isolates in Vitro
Abstract: Aspergillus species are one of the most critical environmental fungi and are considered as a severe factor in causing hospital infections of foreign origin. Objective: Aspergillus flavus is a saprophytic and pathogenic fungus and is found all over the world. In clinical isolates, the voriconazole drug effectively affects more than 95% of Aspergillus isolates. These common drugs have limitations for maximum effect in patients, so nanomedicines are designed and manufactured …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 12, Issue 3, 2024 · pp. 14–20 Read article
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Molecular Diagnosis of Rifampicin Antibiotic Resistance in Mycobacterium Avium Subspecies Paratuberculosis Isolated from Sheep Clinical Samples
Abstract: The present study was conducted to identify parts of the rpoB gene in MAP of Indian sheep isolates. The rpoB gene (Beta sub unit of RNA polymerase) is involved in conferring the rifampicin antibiotic resistance in MAP bacteria. The resistance is due to the presence of mutations in the 81 bp variable region of the rpoB gene including C1367T and T1442C mutations identified by several workers. The study was further …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 12, Issue 3, 2022 · pp. 35–56 Read article
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Treatment of Crop Residues Using a Noble Thermostatic Bacterial Isolate to Improve Feed Utilization by Ruminants
Abstract: Most researches in modification of nutrient values of crop residue by using biological methods have primarily focused on treatment using fungi. The use of bacterial isolates is yet hardly assessed to isolate novels from different sources. Some reports indicated the lignocellulolytic activity of thermostatic bacteria and their potential to produce in shorter time. In this context, the present study was focused on isolation of novel thermostatic bacteria from different sources …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 6, Issue 1, 2016 · pp. 34–41 Read article
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Isolation of Commercially Important Microalgae Species from the South-Eastern Gulf of Lake Tana, Ethiopia
Abstract: Microalgae are simple photosynthetic microorganisms that can be cultivated in controlled environmental conditions for different economic and environmental applications. The presentstudy was aimed to isolate commercially important local microalgae species in a laboratory that is suitable for mass production. The sample was taken from the South-Eastern Gulf of Lake Tana from February 2020to January 2021. The isolation was carried out using agar plating technique, serial dilution and capillary pipette methods …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 12, Issue 3, 2022 · pp. 30–37 Read article
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An Improved Method for the Isolation of High Quality Genomic DNA from Axenic Cultures of Filamentous Blue-green algae (Cyanobacteria), Nostoc and Anabaena
Abstract: Blue-green algae are one of the important organisms having different ecological and economic important properties and are among one of the least explored one. The major difficulty is met with their exact identity; this could be tackled to an extent with the use of molecular techniques. Isolation of high quality DNA is essential for molecular biology applications. In the present study an efficient protocol for the extraction of genomic DNA …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 2, 2019 · pp. 32–38 Read article
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Isolation and Characterization of Natural Honey Yeast Strain : A Review
Abstract: Honey is a natural product rich in sugars, enzymes, and microorganisms, including yeasts, which play a key role in the fermentation processes that occur in honey. These yeasts are of interest due to their potential in biotechnology, fermentation, and health applications. This review discusses the methodologies used to isolate yeast strains from honey, their biochemical and molecular characterization, and their possible applications in industries such as food, pharmaceuticals, and biotechnology. …
Published in International Journal of Insects · Vol. 2, Issue 2, 2025 Read article
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Aspect Ratio Analysis of Tall Building High Seismic Zone Using Base Isolation Technique
Abstract: The base segregation procedure is the most generally utilized technique to shield the construction fromharming the impact of the quake. The idea driving this innovation is to utilize adaptable isolatorsbetween the establishment and the superstructure to isolate the superstructure from the establishment.In the present review, execution of G+10 story RC outlined constructions with various viewpointproportions is researched utilizing ETABS 2018 programming, and reaction range technique is utilizedfor investigation. Viewpoint proportions …
Published in Journal of Experimental & Applied Mechanics · Vol. 12, Issue 2, 2021 · pp. 22–30 Read article
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The Effect of Temperature on Possible Microorganisms Isolated and Identified in Freshwater and Saltwater Media from Mixed Crude Oil
Abstract: The investigation of the effect of temperature on the characteristics and properties of microorganisms isolated and identified in freshwater and saltwater media mixed with crude oil demonstrates the potential impact of temperature variation under different bioreactor conditions. However, temperature was identified as an inhibitor of microbial growth, resulting in a decrease in the population of individual organisms sampled during the investigation. This trend was observed in both freshwater and saltwater …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 2, 2026 · pp. 36–47 Read article
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Isolation of Fungi from Infected Skin and Scalp
Abstract: The objective of this study was to isolate fungi from infected skin and scalp from persons suffering with dandruff. Skin scrapings were collected from patients of different ages and of both genders, suffering from various fungal diseases, and were transferred on to Sabouraud dextrose agar medium to isolate the fungi present in the infected tissues. The fungal colonies isolated were stained and observed microscopically to aid in their identification. Eight …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 4, Issue 2, 2014 · pp. 24–31 Read article
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Isolation and Screening of Some Protease Producing Bacteria to Treat Paper and Pulp Effluent
Abstract: Industrial pollution is one of the most alarming threats to the environment and paper and pulp mill is one of the prime contributors to it. Paper and pulp mill effluent affects biotic and abiotic components of the environment. Different methods are being employed for the treatment, but the biological method is found to be more efficient in terms of colour removal and for reduction in the value of BOD, COD, …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 2, 2019 · pp. 11–16 Read article
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Patient Profile and Antimicrobial Susceptibility Testing of Clinically Isolates In E. coli
Abstract: Escherichia coli, commonly known as E. coli, is a prevalent bacterium capable of causing infections in humans. The development of antimicrobial resistance in E. coli poses a significant public health issue. This study aimed to determine the patient profile and antimicrobial susceptibility patterns of clinically isolated E. coli. A retrospective study was carried out on E. coli samples collected from clinical specimens within a hospital environment. Patient profiles, including age, …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 14, Issue 1, 2024 · pp. 32–47 Read article
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Isolation, Purification, and Identification of Antibiotic-Resistant Bacterial Strain from Food Stuffs
Abstract: The widespread presence of bacteria in foodstuffs poses significant trouble to health and food safety. Pathogens in consumable products increases the transmission of resistance genes to human, potentially compromising the efficacy of conventional antibiotics. This study aims to isolate, purify, and identify antibiotic-resistant bacterial strains from food items, meals, and vegetables. The investigation employed selective culture techniques, antibiotic susceptibility assays, and molecular identification methods to detect and characterize resistant strains. …
Published in Recent Trends in Infectious Diseases · Vol. 3, Issue 2, 2026 · pp. 37–45 Read article
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A Quad-Element UWB-MIMO Triangular Monopole Antenna with Triple Band -Notch and High Isolation
Abstract: A quad-element UWB-MIMO triangular monopole antenna with triple notched bands and high isolation is proposed in this paper. The presented antenna consists of four triangular -shaped antenna elements, which are arranged in orthogonal orientation. This antenna is printed on low-cost FR-4 substrate with dielectric constant of 4.4 and its overall size is 50 × 50 × 1.6 mm3. Its operating frequency band is 2.97~11GHz. High isolation of 22dB between four …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 2, 2023 · pp. 30–37 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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Isolation and Characterization of 1,6-Dihydroxy-3-Methoxy-8-Methyl Xanthones from Swertia purpurascens Wall – A High Altitude Himalayan Medicinal Herb
Abstract: Normal 0 false false false EN-US X-NONE X-NONE 1, 6-dihydroxy-3-methoxy- 8- methyl xanthones from Swertia purpurascens Wall. (Gentianaceae) has been isolated along with oleanolic acid. 1,6-dihydroxy-3-methoxy- 8- methyl xanthones for the first time has been reported from this plant source and identified by means of chemical as well as spectroscopic methods.Keywords: Swertia, 1, 6-dihydroxy-3-methoxy- 8- methyl xanthones, oleanolic acid, isolation.
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 3, Issue 1, 2012 · pp. 1–5 Read article
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A Novel Method for Isolation of Plumbagin
Abstract: Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} The Plumbagin (5-hydroxy-2-methyl-1, 4-naphthoquinone) is the characteristic naphthoquinone present in the different species of the plant Plumbago (Family: Plumbaginaceae) commonly known as Chitrak in India. Plumbagin is …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 1, Issue 2, 2011 · pp. 1–6 Read article
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Existence of Integron I and II Genes from Clinical Isolate Staphylococcus aureus and Their Role in Drug Resistance
Abstract: An integron is a gene capture and dissemination system. They have been identified on both genomic and mobile genetic elements which often contain one or more genes that encode antibiotic resistance. They are commonly associated with bacterial genera in the family of Enterobacteriaceae. Currently, there have been recent reports showing the presence of integrons in Staphylococcus species. The aim of the present study was to assess the existanxe of Class …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 4, Issue 3, 2014 · pp. 18–24 Read article
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Isolation, Characterization and Molecular Identification of Potential Probiotic Bacterium, Bacillus amyloliquefaciens CS4 from gut of Snakehead Fish, Channa striata (Bloch, 1793)
Abstract: The present study was to isolate and characterize the potential probiotic bacterium from the gutof healthy fish, Channa striata. Totally, 37 bacteria were isolated from the gut region, in whichonly 25 isolates that showed catalase negative were selected. Among the selected isolates, CS4exhibited maximum inhibitory activity against fish (Aeromonas hydrophila, Vibrio harveyi,Vibrio parahaemolyticus) and human (Serratia marcescens) pathogenic bacteria. Theisolate CS4 exhibited potential tolerance to 0.5% bile salts at 24 …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 2, 2019 · pp. 1–10 Read article
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Study of the Antibacterial Activity of Artemisia Absinthium against E. coli bacteria Isolated from Urinary Tract Infections
Abstract: Twenty clinically diagnosed samples were collected using transport medium swabs from the operating room at Al-Amal Specialized Laboratory in Iraq between November 2025 and February 10, 2026. Antibiotic susceptibility testing was performed on the 20 Escherichia coli samples. The results showed a clear difference in the bacterial isolates' response to the tested antibiotics. Imipenem demonstrated the highest inhibition rate, reaching 24.55% (100%), compared to the other antibiotics used in the …
Published in Recent Trends in Infectious Diseases · Vol. 3, Issue 2, 2026 · pp. 17–25 Read article
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Isolation and Characterization of Dioscorea Dumentorum and ICACINIA Trichantha Starch for Possible Industrial Utilization
Abstract: The study was focused on finding alternative use for underutilized icacinia trichantha (gbegbe) and dioscorea dumentorum (esuru-igbo) for possible industrial utilization. Starches were isolated through aqueous method. The parameters determined are pH, ash and moisture contents, amylose content, gelatinization temperature, water absorption capacities, bulk density, tapped density and true density. The results showed that percentage yield was 70% for dioscorea dumentorum and 64.6% for icacinia trichantha. The physicochemical properties of …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 3, 2021 · pp. 1–7 Read article