reported that 6 h enrichment instead of 24 h in medium described by Posse et al. (2008) had no significant effect on the recovery rate of EHEC. Using direct plating after enrichment‚ recovery rates were influenced by the inoculated serotype and the inoculation level of the organism. Using immunomagnetic separation‚ recovery of serotype O157 was significantly improved‚ whereas for O111‚ O26‚ O103 and O145 no significant effect was observed. For the isolation and identification of EHEC from stool samples
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Soil properties: Some physical and chemical properties of the soil were measured‚ which are presented in Table 1. The availability of nutrients and even contaminants depends on the degree of soil acidity. The most suitable pH for soil microorganism’ activity is 7‚ as nutrient solubility depends on soil pH changes (Riser-Roberts‚ 1998). The soil used in the present study has neutral pH and therefore does not limit the activity of microorganisms or the solubility of nutrients except for phosphorus
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Determining an Unknown Through Deferential Stains and Biochemical Tests Introduction There are many reasons for knowing the identity of microorganisms. The reasons range from knowing the causative agent of a disease in a patient‚ so as to know how it can be treated‚ to knowing the correct microorganism to be used for making certain foods or antibiotics. This study was done by applying all of the methods that have been learned so far in the microbiology laboratory class for the identification
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The Great Qualities of Alexander Fleming In the novel Of Mice and Men‚ George and Lennie demonstrate many qualities of friendship. Three qualities that can help cultivate a sincere friendship are intelligence‚ bravery‚ and selflessness. Alexander Fleming was a biologist who lived from 1881 to 1955. Though his early education‚ and his achievements in his research‚ he lived out the qualities of intelligence‚ bravery‚ and selflessness‚ and therefore would have absolutely made for a very true
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Education in Ancient India Education in ancient India was tremendously important for the society and was given to the 3 upper classes‚ namely Brahmins‚ Kshatriyas and Vaishya Introduction http://www.sciforums.com/Education-System-In-Ancient-India-t-16676.html It may be said with quite a good degree of precision that India was the only country where knowledge was systematized and where provision was made for its imparting at the highest level in remote times. Whatever the discipline of learning
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A2 Practical Investigations Title: The effect of Temperature on the growth of Aspergillus oryzae Develop a Hypothesis This particular investigation is to discover how a range of temperatures effects the growth rate of the fungi Aspergillus oryzae. Most fungi’s tend to survive within the temperature range of 5-35oC‚ with the optimum depending on their normal environmental temperature. The fungi Aspergillus oryzae is heterotrophic which means they taken in their food from dead organic matter and cannot
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Improving Organizational Performance PSY/428 October 8‚ 2012 Improving Organizational Performance The improving organizational performance simulation is about Airdevils Incorporated‚ which is a professional stunt company in Salt Lake City‚ Utah. This paper will cover a description of the four phases of the simulation to include a description of each situation‚ the recommended solution‚ and the results. A discussion will take place of the organizational psychology concepts in
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1. How did the geographical location of the Indus Valley make possible the growth of civilization there? The growth of civilization in the Indus Valley was made possible by the many geographical features surrounding the area where settlement in India first began. For example‚ the Indus River‚ which flows across the northern region of the subcontinent‚ would flood when the heavy snows of the Himalayas melted. As a result‚ a layer of fertile soil was left behind along the banks of the river‚ creating
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Preparation of the propolis extracts: the propolis sample of the Brazilian native bee species Melipona quadrifasciata was obtained in May‚ 2013 in the city of Blumenau‚ SC‚ Brazil (26 ° 54’21.3 "S 49 ° 04’49.1 "W). In order to obtain a hydroalcoholic crude extract (HCE)‚ 284.3 grams of propolis were pulverized and macerated in 70% ethanol (m m-1)‚ left in a dark chamber for 7 days at room temperature‚ filtered in vacuum and taken to complete drying in a rotary evaporator with reduced pressure. In
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------------------------------------------------- Louis Pasteur From Wikipedia‚ the free encyclopedia Louis Pasteur | Louis Pasteur photographed by Pierre Lamy Petit | Born | December 27‚ 1822 Dole‚ Jura‚ Franche-Comté‚ France | Died | September 28‚ 1895 (aged 72) Marnes-la-Coquette‚ Hauts-de-Seine‚ France | Residence | France | Nationality | French | Fields | Chemistry Microbiology | Institutions | Dijon Lycée University of Strasbourg Lille University of Science and Technology
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