Proteus Mirabilis Essay -- Biology Medican Medicine Essays

Proteus Mirabilis Life History: Proteus mirabilis is part of the normal flora of the human gastrointestinal tract. It can also be found free living in water and soil. When this organism, however, enters the urinary tract, wounds, or the lungs it can become pathogenic. Proteus mirabilis commonly causes urinary tract infections and the formation of stones. Microbiological Characteristics: Proteus mirabilis is part of the Enterobacteriaceae family. It is a small gram-negative bacillus and a facultative anaerobe. Proteus mirabilis is characterized by its swarming motility, its ability to ferment maltose, and its inability to ferment lactose. P. mirabilis has the ability to elongate itself and secrete a polysaccharide when in contact with solid surfaces, making it extremely motile on items such as medical equipment. Disease: The most common infection involving Proteus mirabilis occurs when the bacteria moves to the urethra and urinary bladder. Although Proteus mirabilis mostly known to cause urinary tract infections, the majority of urinary tract infections are due to E. coli. One-hundred thousand cfus per milliliter in the urine are usually indicative of a urinary tract infection. Urinary tract infections caused by P. mirabilis occur usually in patients under long-term catherization. The bacteria have been found to move and create encrustations on the urinary catheters. The encrustations cause the catheter to block. Symptoms for urethritis are mild including frequency of urination and pyuria (presence of white blob cells in the urine). Cystitis (bladder infection) symptoms are easier to distinguish and include back pain, concentrated appearance, urgency, hematuria (presence of red blood cells in the urine), a... ...d ciprofloxin. In cases with severe stone formation, surgery is necessary to remove the blockage. Proteus mirabilis is part of the normal flora of the gastrointestinal tract, and as a result the bacteria enters the urinary tract or infects medical equipment by the fecal route. Consequently, prevention includes good sanitation and hygiene, including proper sterilization of medical equipment. It is also suggested that patients not requiring catherization should not receive catherization, despite its convenience for the caretaker. Sources Cited: http://www.cdc.gov http://www.emedicine.com/med/topic1929.htm http://bact.wisc.edu:81/ScienceEd/stories/storyReader$108 http://www.microbelibrary.org/FactSheet.asp http://gsbs.utmb.edu/microbook/ch026.htm file://C:DOCUME~1BobLOCALS~1TempAM8EQCBC.html http://jcm.asm.org/cgi/content/full/37/9/2840

Bullet-Trains

Also they are designed for long distance traveling, and have not been implemented in the United States. They have many competitive advantages such as higher speeds, which leads to a quicker means of transportation. This is a huge advantage because in todays society time is one the most important sources for competitive advantage. They have a much more modern look which includes comfortable seating, and high end dining, which these are also core competencies. This leads to quality, consumers are willing to spend the extra money for quality, which they will receive on the bullet trains. Also the technology is so advanced there wouldn’t be competition directly to Siemens if they were to start in the US market. will be competing against.Customers want to be able to have a relaxed experience when traveling, since traveling is hectic as it is. Bullet trains will fill those needs of the consumer, and with all of the surveys that have been done more than 60% of people do not enjoy the chaos that comes with traveling. Whether they are traveling through the air or in a car it is not very comfortable, this is a huge competitive advantage for bullet trains which also makes them â€Å"order winners†. Order Winners are features that basically win a customer over to your product or service they have made these trains based on consumer needs and wants, because of these trains being produced for such a long period of time. â€Å"The Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA) established a process for designating U.S. high-speed rail (HSR) corridors.† This started the testing of high speed trains which can go up to 90-120 mph.Bullet trains are almost twice as fast as these. This technology is very advanced though and the US government does not believe in funding at the moment. This is because the cost of production is very high, which is very important. If the government were to help with the funding this be a huge importance for Siemen s. Although they are a huge corporation without government funding, it is very expensive to produce the bullet trains. So at the moment they are coming up with different strategic methods on how to lower production costs, as well as how to relate the trains to a more specific market segment.The importance of the research that is being done will either make or break the opportunity for the trains to come to the  states. They need the governments support and the abilitity to come up with a new strategy on how to present the idea to Government. The contributions these trains will make are un-imaginable. They not only make the US a more innovative country, but it could help in increasing the US economy, which could very much use this boost. It will give citizens a lot quicker mean of transportation, while also lowering the costs of different industries such as: air travel, car travel, and slower and less convenient train travel. This could contribute to lowering gas prices, plane tick et prices, and push the US in a new direction for the future.This leads to the Value chain effect, Siemens is already way ahead of society’s technology today. They are a very futuristic organization and they already have on site research testing. They also produce a lot of their parts that would be needed for the trains which is a benefit of the value chain process. I would advise for the trains to come to the us because it would be a huge advancement for our society.

The Theory Of The World - 1270 Words

The concept of ‘the world’ is significant as one’s interaction with the world could be either demanding or perhaps obstructive (Giles, 1982), as an adolescent’s interaction with the world are formed around loss and defeat (Giles, 1982). This idea of defeat and loss can cause much trauma for the adolescent, resulting in feelings of worthlessness, rejection and loneliness. The last fold of the triad is ‘the future’. Beck (1967) alludes to the idea that a depressed individual’s thoughts about the future embody those of negative experiences (Giles, 1982). This notion can be seen in the life of adolescents as they may have encountered a previous event in which they have struggled with, perhaps in early childhood, now directly impacting their performance in every day life and the future. The concept of the future can be hard to change or alter as the depressed person may find it hard to look so far ahead or to work for change and improvement. A sense of future outlooking can put a direct strain on the adolescent, potentially causing suicidal thoughts due to feelings of hopelessness and a sense of pessimism (Beck, A. T., Weissman, A., Lester, D., Trexler, L., 1974). There can be unrealistic perceptions of ‘the future’ as the individuals may have previously fixated on the past and the present. It has only been in recent years that the idea of depression in adolescence has been acknowledged. Anna Freud is seen as a pioneer in her own right when compared to her father SigmundShow MoreRelatedThe Theory Of The World1067 Words   |  5 Pagessuch dilemmas, one such philosopher was Democritus. Democritus was the Greek philosopher who came up with the concept of the Atom. It was this theory that won him his fame, but because of the stigma against it, the Atom would not be accepted in the scientific community until the 16th century. 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