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81 results for “biological properties”
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Research ArticleOpen accessPhrase in the titleMolecular-Biological Properties of the Attenuated Strain of Salmonella Abortus-Equi E-841, used in the Creation of a Vaccine against Abortion of MaresAssiya Mussayeva, Natalya Yegorova, Merey Yerishov et al.Salmonella abortion of mares takes a leading place in the in factious pathology of horses and leads to the abortion of pregnant mares and infected stallions become salmonella carriers. The disease with salmonella abortion manifests itself in the last months of pregnancy, maybe-during the mass foal of mares-in the spring. The article results obtained of studies on the biological properties … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 2 · 28 May 2021 · 7,120 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleAssessing Soil Biological Properties of Natural and Planted Forests in the Malaysian Tropical Lowland Dipterocarp ForestDaljit Singh Karam, Arifin Abdu, O. Radziah et al.Problem statement: A study was conducted to evaluate and compare the soil biological properties of a natural forest and an 18-year-old stand of Shorea leprosula in Chikus Forest Reserve, Perak, Malaysia. Approach: Soils were sampled at depths of 0-15 cm (topsoil) and 15-30 cm (subsoil) in six subplots (20×20 m) of natural forest (C1) and of a planted S. leprosula … …American Journal of Applied Sciences, Vol. 8, Issue 9 · 29 Jul 2011 · 7,961 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleStimulating Properties of Biological Preparations on the Bulb Onion in KazakhstanR. Zh. Ukibaev, N. D. Slyamova, G. T. Kartbaeva et al.This article studies the stimulating properties of biological preparations Orgamica S and F used on bulb onions in Kazakhstan. As a result of our study, it has been proven that the best concentration of Orgamica S and F, which significantly increases the leaf area, is a 0.4% aqueous solution. Biological preparations at a concentration of 0.4% increase the ability of … …OnLine Journal of Biological Sciences, Vol. 21, Issue 4 · 17 Dec 2021 · 5,824 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEvaluation of the Immunomodulatory Properties of a Calf Lipid Thymus Extract and Standardization of a Method for Quantification of its Biological ActivityMiodrag Colic, Radmila Popovic, Dusanka Mrdakovic et al.The aim of this study was to test the immunobiological properties of a new formulation of the lipid thymus calf extract (Thymsol), prepared for in vitro cell culture experiments. At first, we showed that Thymsol enhanced the antigen specific immune response in AO rats in vitro, using Keyhole limpet hemocyanin (KLH). At lower concentrations (0.5-2.5 μg mL-1) the extract increased … …American Journal of Immunology, Vol. 3, Issue 2 · 31 Dec 2007 · 7,039 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEffect of Serial Passaging on the Morphology and Biological Characteristics of Human Adipose Tissue-derived Stem CellsLenka Oravcova, Martin Bohac, Lubica Krajciova et al.Somatic stem cells posses an exclusive property of self regeneration and plasticity which makes them promising candidates for use in tissue engineering and regenerative medicine. In the case of stem cell therapy it is crucial to obtain them in sufficient amount. That's why they have to be cultured under in vitro conditions. Long term culture provides adequate number of cells, … …OnLine Journal of Biological Sciences, Vol. 16, Issue 4 · 17 Dec 2016 · 7,242 accessesView PDFCite
Research ArticleOpen accessIn the keywordsImpact Assessment of Soil Contamination with Antibiotics (for Example, an Ordinary Chernozem)Yuliya Viktorovna Akimenko, Kamil Shagidullovich Kazeev, Sergey Ilyich KolesnikovThe environmental behavior of antibiotics is not well known and the precise environmental risk assessment is not practical. We studied the impact antibiotics (benzylpenicillin, pharmasin and nystatin) at different concentrations (100 and 600 mg kg-1) on population densities of microorganisms and enzymatic activity of ordinary chernozems in model experiments. The applied doses of antibiotics had definite suppressing effects on population … …American Journal of Applied Sciences, Vol. 12, Issue 2 · 29 Apr 2015 · 7,852 accessesView PDFCite
Research ArticleOpen accessIn the keywordsTheoretically Predicted Descriptors Based Quantitative Structure Activity Relationship Study of the Activity of Acridines Against B-16 MelanomaBahjat A. Saeed, Rita S. Elias, Sadiq M-H. Ismael, Kawkab A. HussainProblem statement: The probability of success and reducing time and coast in drug discovery process could be increased on the basis of QSAR techniques. The study involves the QSAR investigation of 20 bioactive acridines that have activity against Approach: Molecular descriptors, total energy, van der Waals volume, molecular volume, HOMO energy, HOMO-LUMO energy gap, polarizability, refractivity, bond angle of C8-N9-C2 … …American Journal of Applied Sciences, Vol. 8, Issue 8 · 18 Jul 2011 · 7,689 accessesView PDFCite
Research ArticleOpen accessIn the abstractSwiftlet Bacteriophages Concerning Diversity and Biological Features in South Kalimantan, IndonesiaSiti Gusti Ningrum, Hana Cipka Pramuda Wardhani, Intan Permatasari HermawanWe aimed to isolate and characterize bacteriophages infecting Nitrobacter spp. from swiftlet house environments and to evaluate their biological properties as potential biocontrol agents to mitigate nitrate accumulation in edible bird’s nest (EBN) production. Environmental samples were collected from multiple swiftlet houses in South Kalimantan, Indonesia. Samples were enriched with Nitrobacter cultures, and bacteriophages were detected using spot assays followed … …American Journal of Animal and Veterinary Sciences, Vol. 21, Issue 1 · 17 Apr 2026 · 1,759 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Overview of the Antimicrobial Activity of Some Microbial EnzymesAkram N. Salah, Hayam Atallah AlwabsiEnzymes are substances produced by living organisms that are used to catalyze some biological and biochemical reactions as they either catalyze some types of polysaccharides and proteins or lyse complex materials such as polymers and lipids. Microbial enzymes are defined as the enzymes that can be extracted and purified from bacterial strains such as Bacillus spp., Pseudomonas spp., Streptomyces, or … …American Journal of Biochemistry and Biotechnology, Vol. 20, Issue 2 · 11 Jun 2024 · 6,081 accessesView PDFCite
Research ArticleOpen accessIn the abstractProtective Role of Ganoderma lucidum Polysaccharides Against Stress Induced by Heavy Metals in Caenorhabditis elegansHuixiu Ma, Dehui Dai, Guicai Chen, Weilian HuAli, H., Khan, E., & Ilahi, I. (2019). Environmental Chemistry and Ecotoxicology of Hazardous Heavy Metals: Environmental Persistence, Toxicity, and Bioaccumulation. Journal of Chemistry, 2019, 6730305. https://doi.org/10.1155/2019/6730305 Aljerf, L., & Aljerf, N. (2023). Food products quality and nutrition in relation to public. Balancing health and disease. Progress in Nutrition, 25(1), e2023024. https://doi.org/10.23751/pn.v25i1.13928 Aljerf, L., Williams, M., Ajong, A. B., Onydinma, … …American Journal of Biochemistry and Biotechnology, Vol. 20, Issue 2 · 18 May 2024 · 6,947 accessesView PDFCite