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Research ArticleOpen accessIn the abstractOptimization of the Fermentation Medium of Streptomyces ahygroscopicus ΔnysB, a Tetramycin Producing Strain, by the Response Surface MethodXiao Wang, Yao Dong, Xin Chen et al.Streptomyces ahygroscopicus ΔnysB is a genetically engineered strain that produces tetramycin by blocking the competition nystatin pathway. Response Surface Methodology (RSM) was used to optimize its fermentation medium composition. Taking the yield of tetramycin as the response value, the effects of corn starch, glucose, fish peptone, (NH4)2SO4, KH2PO4, and CH3COONa on the yield of tetramycin were investigated by the Plackett-Burman … …American Journal of Biochemistry and Biotechnology, Vol. 20, Issue 1 · 9 Apr 2024 · 5,319 accessesView PDFCite
Research ArticleOpen accessIn the abstractAnalysis of Nucleoli in Intact Lymphocytes in Different Mammalian Species and HybridsBaylar Iolchiev, Pavel Klenovitskiy, Vugar Bagirov et al.The purpose of this study was to develop methods for quantitative and qualitative assessment of the activity of the nucleolus using the color intensity of argyrophilic regions and to study the effect of the species feature on the quantitative and qualitative indicators of the nucleoli and nucleolus organizer regions. The experiment involved Ovis aries (n = 40), hybrids of domestic … …OnLine Journal of Biological Sciences, Vol. 22, Issue 1 · 24 Jan 2022 · 6,069 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssociation Between Climatic Factors with Fresh Semen Quality Parameters in Madura Cattle (an Indonesian Native Breed)Nurul Isnaini, Bela Dwi Wadi Lestari, Faizal Andri et al.Semen quality is a critical point to ensure the success of the artificial insemination program. One factor which highly determine the semen quality of bulls is climatic conditions. The purpose of the present study was to evaluate the association between climatic factors and fresh semen quality parameters in Madura bulls. A total of 1583 ejaculates which were collected from 5 … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 3 · 15 Sep 2021 · 6,810 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of Binary and Ternary Models in Powder Packing Density for Additive Manufacturing ApplicationsTaher M. Abu-Lebdeh, Oluwatobiloba Adetokunbo KalejaiyePowder packing is a very important aspect of additive manufacturing (3-D printing), as it directly impacts the final physical and mechanical properties of the printed objects. Improving the packing density of powder directly impacts the microstructure of the finished 3D-printed product, which also contributes to the surface finish. In order to achieve the densest packing for a powder, different sizes … …American Journal of Engineering and Applied Sciences, Vol. 14, Issue 2 · 15 Jun 2021 · 7,275 accessesView PDFCite
Research ArticleOpen accessIn the abstractCut-Set Based Method to Determine the Maximum Demand Accommodated by a Multi-State NetworkMoatamad Hassan, Hani AbdouThe reliability of a multi-state network is defined as the probability that the network can successfully send d (demand) units of data from the source to the sink. To predict the value of maximum demand (dmax) that could be accommodated by a network, a cut-set based approach is presented in this study. The presented approach is simple and easy to … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 3 · 28 Aug 2020 · 6,927 accessesView PDFCite
Research ArticleOpen accessIn the abstractUsing a Hierarchical Weibull model to Predict Failure Strength of Different Glass Edge ProfilesDavid Thomas Kinsella, Johan LindströmThe edge strength of glass is analyzed using a Weibull statistical framework based on 78 data samples from a range of experiments recorded in literature. Based on the analysis, a 45 MPa strength value (computed as the lower bound in a one-sided confidence interval at the 75% level for the 5-percentile in the distribution) could be conservatively used with arrised, … …International Journal of Structural Glass and Advanced Materials Research, Vol. 4, Issue 1 · 30 Apr 2020 · 8,274 accessesView PDFCite
Case ReportOpen accessIn the abstractConsumption of an Extremely Biodiverse Probiotic and a Supplement based on Microbial Chondroitin Sulfate is Associated with Very Low Serum Alpha-N-acetylgalactosaminidase (Nagalase) Activity and Decrease of C-reactive Protein ValuesMichael Carter, Stefania Pacini, Marco RuggieroWe describe the case of a 57-years-old male healthy professional who added to his nutritional plan a novel, extremely biodiverse, probiotic and a supplement based on microbial chondroitin sulfate, vitamin D3 and ultrapure phosphatidylcholine to improve his healthy life expectancy. After three months of such a nutritional regimen, serum alpha-N-acetylgalactosaminidase (nagalase) activity was 0.40 that is a value below the … …American Journal of Immunology, Vol. 16, Issue 1 · 22 Apr 2020 · 13,049 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Genetic Potential of Spring Durum Wheat Grain Quality in the North of KazakhstanS. M. Dashkevich, M. U. Utebayev, O. O. Kradetskaya et al.The paper presents information about the cultivation of spring durum wheat in the conditions of Northern Kazakhstan. Methods for assessing the quality of grain and semolina in the breeding process are shown: SDS sedimentation, protein content according to Kjeldahl, content, and index of gluten using the Glutomatic 2200 system, vitreousness, hardness SKCS 4100, content of carotenoid pigments, measurements of the … …OnLine Journal of Biological Sciences, Vol. 22, Issue 3 · 2 Sep 2022 · 6,087 accessesView PDFCite
Research ArticleOpen accessIn the abstractBayesian Estimation for Lomax Distribution: A Comparison of Loss Functions Using Jeffreys PriorsHuda Mohammed AlomariThis study investigates the estimation of the shape parameter for the Lomax distribution using complete data. We compare the performance of the classical Maximum Likelihood Estimation (MLE) method against the Bayesian framework. Within the Bayesian approach, three distinct loss functions were utilized: the linear exponential (LINEX), general entropy, and weighted general entropy loss functions. The precision of these estimators was … …Journal of Mathematics and Statistics, Vol. 21, Issue 1 · 24 Dec 2025 · 2,635 accessesView PDFCite
Research ArticleOpen accessIn the abstractPrediction and Remediation of Water Quality in Monitoring Potential of Acid Mine DrainageNur Athirah Mohamad Basir, Wan Zuhairi Wan Yaacob, Nuur Hani Mohammed et al.Acid Mine Drainage (AMD) associated with both active and abandoned mining operations related to sulfide minerals, oxidation of pyrite affording an acidic solution that contains toxic metal ions. Result shows that pH value of water in Kg. Aur, Chini and Sg. Lembing are acidic with value of 2.81, 4.16 and 3.60 respectively. Maximum concentrations of heavy metals in the study … …American Journal of Engineering and Applied Sciences, Vol. 12, Issue 2 · 24 May 2019 · 7,011 accessesView PDFCite