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582 articles for “Concentration”
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Cytogenotoxicity Assessment of Asphalt Plant Discharge Water using Plant Assay
Abstract: The Allium cepa assay test was used to evaluate cytogenotoxic effects of asphalt plant discharge water at the concentrations of 10, 20, 30, 40, 50, 60, 70, 80, 90 and 100% (v/v) asphalt plant discharge water/distilled water. The distilled water served as the negative control. The analysis of the physicochemical properties and heavy metals concentrations showed that most parameters were higher than the established standards of WHO and FMENV. The …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 3, 2025 · pp. 100–110 Read article
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A Study on Automatic Feedback Control by Image Processing for Mixing Solutions in a Microfluidic Device
Abstract: Precise and rapid mixing of chemical and biological reagents is a critical yet challenging aspect of microfluidic systems, often limited by laminar flow conditions and the need for manual or pre- programmed interventions. Existing mixing strategies frequently lack real-time adaptability and closed-loop control, hindering reproducibility and the execution of complex reaction protocols. This work presents an innovative automatic feedback control system utilizing the study on real- time image processing to …
Published in International Journal of Advanced Control and System Engineering · Vol. 3, Issue 2, 2025 · pp. 32–41 Read article
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Polymer Electrolyte Films Doped with Nanofillers ZnO: Electrochemical and Optical Investigations
Abstract: The electrochemical and optical characteristics of polymer composite electrolyte films doped with zinc oxide (ZnO) nanofillers are thoroughly examined in this work. Because of its superior film-forming capacity, flexibility, and ionic transport properties, poly(vinyl alcohol) (PVA) mixed with potassium iodide (KI) is used as the host polymer electrolyte. To investigate their effects on ionic conductivity, dielectric behavior, and optical transmission, ZnO nanoparticles are synthesized and added to the PVA–KI matrix …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 320–332 Read article
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Study of Multiple Modules Solar System Electricity Generation
Abstract: Solar energy is a sustainable, non-depleting, and ecologically safe energy source that originates from sunlight. Every hour, the globe receives enough solar energy to meet its energy demands for a whole year. In the current world, we need power on a regular basis. This solar energy is used in commercial, residential, and industrial settings. It readily absorbs energy from direct sunlight. In this post, we looked at solar energy from …
Published in Journal of Power Electronics and Power Systems · Vol. 16, Issue 1, 2026 · pp. 25–32 Read article
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Nitrosamine Accumulation, Processing Variables, and Indigenous Plant Inhibitors in Nigerian Traditionally Processed Meats
Abstract: N-nitrosamines are classified as probable or possible human carcinogens by the International Agency for Research on Cancer. Carcinogenic N-nitrosamines — principally N-nitrosodimethylamine (NDMA) and N-nitrosodiethylamine (NDEA) — are formed in abundance during the preparation of widely consumed Nigerian traditional processed meats including suya, kilishi, and balangu. This original investigation combined a six geopolitical zone of Nigerian market survey with laboratory-controlled model system experiments, effects of processing parameters on N-Nitrosamine formation …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 1, 2026 · pp. 61–72 Read article
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Integrative Structural-Functional Genomics of Fc and Fab: Precision Models for Monoclonal Antibody Stability and Anti-Aggregation Engineering
Abstract: Monoclonal antibodies (mAbs) represent the cornerstone of biotherapeutics, yet aggregation propensity compromises up to 50% of candidates during development, driven by Fab hypervariability and Fc vulnerabilities.(1,2) This review integrates functional genomics from OAS (4B+ sequences)(5) and structural databases (SAbDab: 10K+ structures)(6) with machine learning models achieving R=0.97 for SAP prediction.(11) We dissect biophysical mechanisms, benchmark predictive tools (DeepSP, ESM2), and engineering strategies (YTE, FW mutations) that enhance Tm by 5-10°C …
Published in International Journal of Molecular Biotechnological Research · Vol. 4, Issue 1, 2026 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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Synergistic and Antagonistic Effects of Azo-Schiff Base with Some Antibiotics on Gram-Positive Bacterial Isolates
Abstract: Antibacterial resistance has brought an urgent need to find a solution to the problem of antibacterial resistance and increase the effectiveness of antibiotics. Therefore, our current study was aimed to test the three concentrations viz., 0.5 mg/ml, 5 mg/ml and 50 mg/ml of Azo-Schiff base against Grampositive bacteria—Bacillus cereus, Micrococcus lutes, Staphylococcus aureus—to compare the effects of Schiff base alone or along with antibiotics on the viability of bacteria. Our …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 11, Issue 2, 2021 · pp. 25–31 Read article
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Radon Estimation in Some Lakes and Fraser River Water of British Columbia, Canada using LR-115 Type II Alpha Track Detector
Abstract: Radon activity levels were measured in the five Lakes and Fraser River water samples collected from different locations of British Columbia in Canada. The purpose of this study was to compare Radon activity levels in all six sources of water. Water was collected in air tight bottles and stored for two weeks before investigation. LR-115 Type II nuclear track detectors of 1.2 cm2 were used for recording radon alpha tracks. …
Published in Research and Reviews: A Journal of Toxicology Read article
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Mechanical Characterization of Adhesive in Lap Joint Under Tensile Load
Abstract: The present work gives details of adhesive characterization in lap joints under quasi static tensile failure load. Rivets are major threat for an aircraft structure because of high stress concentration at lesser area ease to failure and also causes drag in aerodynamic perspective. Researchers are searching for a different method to avoid the stress concentrations in lesser area. The use of adhesives instead of rivets is most feasible solution for …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 96–103 Read article
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Biomedical Approach to Developing and Characterizing Chitosan Nanoparticles Encapsulating Urapidil for Hypertension Management
Abstract: The aim of this study was to create Chitosan Nanoparticles loaded with Urapidil to achieve controlled drug release, enhance solubility, and reduce dosing frequency to improve patient adherence to therapy for hypertension. Urapidil was formulated into nanoparticles via the ionic-gelation method using Chitosan as a polymer, Sodium tripolyphosphate as a cross-linking agent, and filled into hard gelatin capsules after lyophilization. Pre-formulation studies, including melting point analysis and determination of the …
Published in International Journal of Biomedical Innovations and Engineering · Vol. 2, Issue 1, 2024 · pp. 43–51 Read article
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Heat Treatment Research Studies of EN9 Carbon Steel by Quenching Operation in Different Quenching Media
Abstract: In this experimental research, EN9 type of steels is selected to process the heat treatment by quenching to increase the hardenability of a material. EN9 steel is cut into small work samples with diameter 25mm and length 15mm to analyze. Then they are polished the cut surface in a fine manner. Microstructure and hardness are to be found for EN9 work pieces before heat treatment at different locations like at …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 1, Issue 2, 2023 · pp. 1–25 Read article
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Physico-Chemical and Antioxidative Properties of Whey Protein Beverages
Abstract: Whey, the liquid left after milk casein precipitation, was utilized, and its physicochemical properties were assessed. The aim of the research was to analyze the availability of nutrients in whey by preparing a modified whey protein beverage. Natural and artificial whey protein beverages were prepared. We studied the shelf life of these beverages over a period of 0 to 11 days and compared them based on their acidity, viscosity, pH, …
Published in Emerging Trends in Metabolites · Vol. 1, Issue 1, 2024 · pp. 1–6 Read article
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Study The Effect of The Alcoholic and Hot Aqueous Extract of Costus specious on Some Bacterial Species
Abstract: Plant extracts are among the methods that have been used since ancient times in alternative medicine and are still developing until recently with the progress of science and modern technologies. These materials can be used in the composition of many pharmaceutical drugs. The current research aimed to evaluate the inhibitory effect of alcoholic and hot aqueous extract of the roots of Costus specious on some gram-positive and gram-negative bacteria (Enterococcus …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 14, Issue 3, 2024 · pp. 13–18 Read article
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Role of biosynthesized Copper nanoparticles in Agriculture and other fields
Abstract: In the last decades, nanotechnology has emerged as a new field of technology because of its unique qualities. The use of chemicals in medicines and agriculture such as fertilizers, pesticides, herbicides, and insecticides are very harmful to the environment so by the use of this revolutionary technology we can reduce the toxic effects on the environment. However, a biological method is very easy, simple, and free from any chemical hazards, …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 14, Issue 2, 2024 · pp. 39–53 Read article
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Orange Peels as Biosorbent for Heavy Metals and Its Application in Water Pollution Remediation Studies
Abstract: Ecosystems and public health are seriously threatened by heavy metal poisoning of water sources, which is growing. Heavy metal removal from wastewater using conventional technologies is either costly, ineffective, or results in secondary pollutants. In this regard, biosorption has become an affordable and environmentally beneficial substitute. The mitigation study of heavy metals from wastewater is crucial for the protection of the environment and human health. Efforts have been made to …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 14, Issue 3, 2024 · pp. 7–14 Read article
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Influence of Acidic Naf-Hf Solution on Dental Minerals
Abstract: The effect of solutions of sodium fluoride in hydrofluoric acid on the fluoride-dental minerals reaction system was investigated. The fluoride concentration in each fluoride solution was kept at 1.23% as the fluoride concentration in the acidulated phosphate fluoride solution at pH 3. The acidic sodium fluoride-hydrofluoric acid solutions with different contents of sodium fluoride and hydrofluoric acid were prepared. These solutions were added to synthetic powder hydroxyapatite and calcium hydrogen …
Published in Research and Reviews: A Journal of Dentistry · Vol. 15, Issue 3, 2024 · pp. 27–37 Read article
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Studies on Extraction of Quercetin Flavonoid from Combination of Different Parts of Acanthus ilicifolius (Indian Mangrove)
Abstract: Medicinal plants constitute an essential natural resource for the treatment of chronic illness. It is possible to treat the same illness using various medicinal plants; the decision is frequently influenced by the nation in which the disorder is most frequent. Acanthus ilicifolius is an Indian mangrove and belongs to Acanthaccae family and grows in the coastal zone. It comprises of a wide range of phytochemicals and exhibits numerous biological characteristics. …
Published in Research & Reviews : Journal of Botany · Vol. 14, Issue 1, 2025 · pp. 35–40 Read article
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In vitro and In vivo Trypanocidal Activity of Methanolic Extract of Lantana camara leaves on Trypanosoma brucei in Laboratory Mice
Abstract: In this study, the methanol extract of Lantana camara leaves were tested for their trypanocidal activity in vitro in a microtiter plate and in vivo using male laboratory mice. Five different concentrations 10mg/ml, 20 mg/ml, 30 mg/ml, 40mg/ml, and 50mg/ml of the extract were prepared and the time taken to immobilize the parasites were recorded. The in vitro results showed that the leave extract at concentrations of 50 mg/ml had …
Published in International Journal of Biochemistry and Biomolecule Research · Vol. 2, Issue 2, 2024 · pp. 32–41 Read article
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Enhancing Abiotic Stress Tolerance in Banana (Musa spp.) Using In Vitro Methods and Conserving Germplasm
Abstract: Both biotic and abiotic stressors are the main factors limiting banana output. Research on biotic stressors in bananas has received enough attention globally, whereas abiotic stressors receive less attention. Water availability, salinity, and a wide variety of temperatures are the main problems that must be resolved to maintain banana farming in the twenty-first century. Samples were introduced with water, salt and heat stresses in invitro condition. Under different stress and …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 14, Issue 1, 2025 · pp. 9–15 Read article