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651 articles for “isolate”
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Molecular Characterization of Environmental and Clinical Non Tuberculous Mycobacteria Isolates from Copper Mines and Miners in Zambia
Abstract: Background: The active and ex-miners have high risk factors for Non Tuberculous Mycobacteria (NTM) disease due to the high burden of Human Immunodeficiency Virus (HIV) infection, tuberculosis and silicosis through extensive use of aerosolised water for dust control in the mining environment. The study aimed at the isolation and characterization of nontuberculous mycobacteria from the miners and ex-miners in Zambia. Methods: Sputum samples were collected from 85 miners and ex-miners132 …
Published in Research and Reviews : A Journal of Immunology · Vol. 13, Issue 3, 2023 · pp. 30–39 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
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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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Production of Ethanol from Rice Straw using Xylose Fermenting Yeast Isolates
Abstract: With increasing energy demand world-over, there is a need to develop cost effective technologies for the production of bio fuels using renewable sources such as lignocellulosic biomass. However, ethanol productivity is still low and the process is not economically viable. The major limiting factors include the complex and highly crystalline structure of lignocellulosics, low loading rate during saccharification and low amount of hexose and pentose sugars generated during saccharification. Distiller’s …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 2, Issue 3, 2012 · pp. 12–19 Read article
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Biosorption and Screening of Lead (Pb) Tolerant Indigenous Staphylococcus aureus Isolated from Tannery Effluent Contaminated Site
Abstract: The present study deals with isolation, identification, and characterization of heavy metal resistant bacteria isolated from effluent of Ezar Tanneries, Vaniyambadi, Vellore district, South India. Initially, a total of 11 bacterial isolates were screened on Luria Bertani (LB) agar plates supplemented with 5 mg/L concentration of five different heavy metal ions such as Cr, Cu, Ni, Pb, and Zn separately. A best microorganism was selected based on high level of …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 4, Issue 2, 2014 · pp. 1–7 Read article
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Antagonistic Potentials of Actinomycetes Isolated from Coastal Area of Niger Delta against Citrus sinensis (Sweet Orange) and Lycopersicum esculentum (Tomato) Fungal Pathogens
Abstract: The antagonistic potentials of actinomycetes isolated from coastal area of Niger Delta against Citrus sinensis (sweet orange) and Lycopersicum esculentum (tomato) fungal pathogens were investigated. Marine sediment and water samples were collected from ten (10) different points from Onne Light Flow Terminal Seaport situated in Eleme Local Government Area of Rivers State, Nigeria. The actinomycetes were isolated on Glycerol Starch Casein Nitrate Agar using spread plate technique as well as …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 9, Issue 1, 2019 · pp. 4–15 Read article
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Isolation and Characterization of Lantibiotic Producing Lactic Acid Bacteria from Ambali, Aged Mango Pickle Probiotics
Abstract: Each year in the US at least 2 million people are sickened with antibiotic resistant infection. The development of antibiotics was one of the most important advances of medicine. Many bacterial infections (e.g. tuberculosis and infected wounds) that previously had no effective treatment and often killed people became treatable with antibiotics, saving millions of lives. Now, because of the overuse and misuse of antibiotics, bacterial infections that were once easily …
Published in Research & Reviews: A Journal of Bioinformatics · Vol. 3, Issue 3, 2016 · pp. 30–36 Read article
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Isolation and Characterization of Lactobacillus spp. of Human Origin for Studying their Prevalence
Abstract: A total of 15 samples of healthy human feces were collected for the isolation of lactobacilli using lactobacillus selection MRS agar. Thirty-eight colonies were randomly picked based on colonial morphology. All the isolates were subjected to cell morphology, physiology and an array of biochemical characterization. The isolates showed different growth patterns at different temperatures (15 and 45 °C), oxygen and at different concentrations of NaCl (2.0, 4.0 and 6.5%). On …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 2, Issue 3, 2013 · pp. 7–15 Read article
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Isolated Bidirectional Flyback Converter in EV Charging and V2G Systems: A State-of-the-Art-Review
Abstract: The growing adoption of electric vehicles (EVs) and the potential of Vehicle-to-Grid (V2G) technology underscore the importance of efficient and reliable isolated bidirectional DC-DC converters in EV charging systems. The market for electric vehicles (EVs) is expanding at an exponential rate due to the worldwide trend towards sustainable transportation, with electric mobility emerging as a crucial way to lower carbon emissions and rely less on fossil fuels. This review examines …
Published in International Journal of Electrical Power and Machine Systems · Vol. 2, Issue 2, 2024 · pp. 23–32 Read article
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Molecular Characterization Phylogenetic Analysis from E.coli Isolated from Human and Cows Raw Milk
Abstract: E. coli is a significant pathogen that contributes to the genesis of both human and animal diseases. 20 different E. coli isolates were found in milk, stool, and utensil samples. Depending on whether each E. coli strain has the gene, the chuA, and the DNA segment TspE4.C2 has joined. the intestinal groups A and B1 as well as the extraintestinal groups B2 and D. The findings of the PCR-based analysis …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 15, Issue 3, 2025 · pp. 63–68 Read article
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PV-Wind-Battery based Isolated Grid Connected System
Abstract: Photovoltaic (PV)-wind-battery based multi-input isolated bidirectional converter for grid connected system is presented. The proposed system aims to satisfy the load requirements, manage the power flow from multiple sources and charge the battery by the excess power supplied by the renewable energy sources. A bidirectional buck-boost converter is used to harness power from PV along with the battery, while an isolated boost half-bridge converter is used to harness power from …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 57–63 Read article
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Antifungal Activity of Lactic Acid Cocci Isolated from Camel Milk
Abstract: This study examines the antifungal activity of lactic acid cocci isolated from camel milk against mold growth. After the isolation, purification, and characterization of lactic acid cocci, the screening of strains with antifungal activity was done by overlay and confrontation methods against Aspergillus fumigatus. These strains show strong activity. Antifungals were selected to study their inhibitory effect on liquid medium, evaluate their antifungal spectrum, and study the effect of their …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 12, Issue 1, 2022 · pp. 14–23 Read article
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Design and Development of Metallic Isolators for Wedge Lock Mounted Printed Circuit Boards (PCBs)
Abstract: Wedge lock interfaces are preferred for mounting printed circuit boards (PCBs) in electronic packages of air borne vehicles. Merits of this particular mounting configuration are high mounting stiffness, high vibration dissipation and low thermal interface resistance. However, good amount of vibration dissipation occurs only in the close vicinity of wedge locks provided integral to PCBs; because of which electronic components can be mounted only near the wedge locks on PCB. …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 4, Issue 3, 2016 · pp. 27–34 Read article
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Study of Aerobic and Anaerobic Bacteriological Profile in Patients Presenting with Ear Discharge and Antimicrobial Susceptibility Pattern of Aerobic Isolates
Abstract: Ear discharge is a major health problem in both, developed and developing countries. This study was undertaken to determine the pattern of the different etiological aerobic and anaerobic bacteria in patients presenting with ear discharge and clinically diagnosed as CSOM and ASOM and also to know the antibiogram of aerobic bacteria in Kota Rajasthan. A prospective study was carried out in department of microbiology, MBS Hospital, Kota, among 100 patients …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 6, Issue 2, 2016 · pp. 23–30 Read article
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Screening, Isolation and Characterization of Cypermethrin Tolerating Bacteria from Sugarcane Field Soil
Abstract: Cypermethrin is a synthetic pyrethroid pesticide group widely used to control pests in cotton, fruits, and vegetable crops. Excessive use of pesticide in agriculture is one of the major causes of environmental pollution. The present study was aimed to screen, optimize and identify Cypermethrin-tolerant bacteria. For this purpose the pesticide exposed soil samples were collected and bacterial strains were isolated on Cypermethrin-containing Nutrient agar plates. On the basis of physical …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 8, Issue 1, 2018 · pp. 11–15 Read article
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Studies on Isolation of Fungal Species Associated with Healthy and Infected Aloe vera Leaves Collected from Jabalpur Region
Abstract: Aloe vera is one of the highly valued medicinal plant, known for its gel filled leaves. The leaf rot disease caused by pathogenic fungi is the common cause of deterioration of gel quality and economic losses. In order to control the phytopathogenic fungi, use of endophytic and phylloplane fungi is an increasing trend. The present study was carried out to isolate the fungal species from healthy and infected leaves of …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 1, 2019 · pp. 147–155 Read article
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The Development and Characterization of Orodispersible Tablet using Novel Natural Superdisintegrant Polysaccharide Isolated from Cassia tora Seeds
Abstract: The present work is aimed at the development and characterization of orodispersible tablet using novel natural super disintegrant, a polysaccharide isolated from Cassia tora seeds. Metformin hydrochloride (HCL) tablets were prepared separately using different concentration (2%, 5%, 7.5%) of isolated Cassia tora seed, a natural polysaccharide and croscarmellose sodium (synthetic) as super disintegrant by direct compression method. Evaluation of the tablet was done for various pre and post-compression parameter. Development …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 10, Issue 2, 2019 · pp. 24–31 Read article
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“FORCE-DISPLACEMENT TRADE OFF” OF RCC BUILDING LOCATED AT VARIOUS SEISMIC ZONES AND SITE CONDITION ADOPTING TIME-HISTORY ANALYSIS
Abstract: Earthquake-resistant or aseismic design are considered to protect buildings to some or greater extent from earthquakes. The force-displacement trade off of structures located in various seismic zones are different in nature depending on intensity of earthquake. No structure can be fully immune to damage from earthquake, the vulnerability can be reduced for safety and durability. The force-displacement behavior of a particular structure can be modified to withstand seismic occurrence preventing …
Published in Journal of Structural Engineering and Management · Vol. 10, Issue 1, 2023 · pp. 14–32 Read article
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Isolation, Purification and Characterization of Antimicrobial peptide produced by Saccharomyces boulardii №6569
Abstract: Object: To identify microorganisms that are newly isolated biologically and microbiologically and determine their characteristics by purifying AMP produced by yeast. Methods: We measured the antibacterial activity of AMP using microliquid dilution and turbidity methods and purified them using membrane filtration and gel filtration methods. The molecular weight of AMP produced by Saccharomyces boulardii was measured using Acquity UPLC SQD-2 and MS. Results: We confirmed that yeast-№18, identified biologically and …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 14, Issue 1, 2024 · pp. 7–18 Read article
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Patient Profile and Antimicrobial Susceptibility Testingin Clinical Isolates of Staphylococcus aureus
Abstract: INTRODUCTION: Staphylococcus aureus is a gram-positive bacterium capable of causing various infections, ranging from minor skin infections to serious bloodstream infections. The rise of methicillin-resistant S. aureus (MRSA) strains has made treating these infections more challenging, as MRSA is frequently resistant to several types of antibiotics.. OBJECTIVE: The aim of this study was to investigate the patient profile and antimicrobial susceptibility patterns of clinical isolates of S. aureus in a …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 14, Issue 2, 2024 · pp. 31–38 Read article