Antibiotic Sensitivity Essay Example for Free

Antibiotic Sensitivity Essay Microbial growth is a normal essential part of the healthy human, animal, and plant environment. When introduction to a microorganism causes harmful bacterial growth, using antimicrobial therapy can eradicate or reduce the unwanted pathogen. Antimicrobials are used to stop the growth of a pathogen by the use of a selectively toxic, identified inhibitor. Not all microbes are harmful so it is important to uncover the the vulnerable mechanism of growth in harmful microbes and produce a toxin that is lethal to its lifecycle and not toxic to the other microbial environment nor tissue. Some selective targets include bacterial wall composition, ribosomal synthesis, and DNA transcription. Antibiotics are used to either inhibit or kill harmful bacterial growth. Selecting which antibiotic to use is aided by identifying which harmful bacteria are gram-positive or gram-negative. When the target bacteria is not known, a broad spectrum antibiotic may be given as it can attack both gram-positive and gram negative bacteria. A narrow spectrum antibiotic is chosen when the bacterial pathogen has been identified by gram-stain testing or symptomatic expression. A narrow-spectrum antibiotic will be used to kill the specific identified gram-negative or gram-positive bacteria. The advantage to using a broad spectrum antibiotic is that it may be given early on, before the lengthy lab examination process so that attempts to control of growth may begin promptly. If the broad spectrum is given to a gram specific organism however, the strength of antibiotic may be insufficient to kill or control harmful growth. Furthermore, exposing a microbial environment to unnecessary types or strengths of antibiotics can lead to tolerance or super-infections. A narrow spectrum antibiotic is an absolute advantage when the gram stain specificity is known as it will then target only the offending bacteria. Alternatively, if a narrow spectrum drug is used on an incorrectly identified microbe, then there will be no antibacterial coverage and the harmful bacteria may flourish. Unfortunately, the use of antibiotics in antimicrobial control has consequences. Microbes have been adapting to overcome harmful environments since the beginning of life. Exposure of microbes to antibiotics is yet another environment and as a result, antimicrobial resistance has surfaced. Some common resistant mechanisms include the production of inactivating enzymes that leave the antimicrobial ineffective. Interruption of cell membrane transport of antimicrobial agents is another development of resistance. Mutations are a common mechanism of antimicrobial resistance. Penicillin can be rendered ineffective by an alteration mutation that disrupts the target protein. The Kirby-Bauer test is an agar diffusion test used to identify bacterial susceptibilities. When S. epidermidis is exposed to antibiotic disc materials of Novobiocin, Penicillin and Gentamicin, the most resistance observed was by the Penicillin.

The Raven Essay -- Edgar Allen Poe

The Loss of a Loved Maiden   Ã‚  Ã‚  Ã‚  Ã‚  In â€Å"The Raven† by Edgar Allan Poe, one sees the internal torment of a man in mourning for the lost love of a maiden, named Lenore that has died. The narrator expresses a sea of emotions over the vision of a raven haunting and taunting him.   Ã‚  Ã‚  Ã‚  Ã‚  As the man sits in his chamber he only seems to notice the negativity of his surroundings in a depressive state of mind over his lost. â€Å"..A midnight dreary, while I pondered, weak and weary†. He was, as many people seem to be when they are depressed, in a lethargic and calm state nearly sleeping. He then was disturb by a tapping noise and slowly grew from slight excitement into fear and nervousness over the commotion. â€Å"And the silken, sad, uncertain rustling of each purple curtain thrilled me- filled me with fantastic terrors never felt before.† The narrator tried to rationalize the situation into some coincidental incident of someone at his door yet, there was no one there. To this he plainly states, â€Å"Deep into the darkness peering, long I stood there wondering, fearing,† only to perhaps start to question his sanity until he heard another noise. At this point in the poem one may clearly see his very painful condition and state of mind as he wishfully whispers the word â€Å"Lenore†. The marginal state between idealism and reality has blurred.   Ã‚  Ã‚  Ã‚  Ã‚  As the narrator tensely turns to the window to â€Å"explore† the disturbance, there the reader meets the raven that has entered into the room and placed him...

Key issues facing my organization over the next five years

Amwal was formed in 1998 as a financial planning firm for the women of Qatar under the patronage of HE Shiekha Mozah, the wife of the Emir of Qatar.   As a result of Amwal’s success and reputation it was transformed into a fully licensed investment bank in 2005.Amwal, like most of the investment banks and asset management firms in the region, has benefitted from the unprecedented economic growth, high oil prices, and surplus wealth. The GCC countries are expected to grow over seven percent in the next five years. Qatar is one of the top GCC countries in economic performance.   As such, Qatar’s economy is expected to grow 13% in 2008 as a result of sustained oil prices and the country’s ambitious gas industrialization initiatives.Following Russia and Iran, Qatar has the world’s third largest gas reserves. In terms of energy, these reserves are expected to last for more than 200 years. This growth is not temporary in nature and is expected to continue ov er the long run. During former U.S. Federal Reserve Chairman Alan Greenspan’s recent visit o Jeddah, he was quoted saying that the oil boom would â€Å"go on forever†.All of these factors have resulted in a mushroom effect on the growth of different kinds of financial institutions in the region.   Existing banks are expanding rapidly, new banks are being set up, and many international players from US, Europe, and Asia are setting up shop in this region. In the last two years nearly 280 financial intuitions have surfaced in Qatar and the United Arab Emirates (UAE).In the current market scenario, I believe that Amwal will face the following challenged as it strives to become a world class investment bank:  Carving its own identity and differentiating from its regional peersAmwal has a very strong shareholder base that includes prominent local and regional organizations.   For this reason Amwal’s identity sometimes is overshadowed by affiliation with one of i ts shareholders in the multiple   transactions that Amwal actually facilitates.   As a new investment bank Amwal leveraged its shareholder base to its benefit.   However as we grow it is imperative that we carve out our own identity that will build a strong brand recognition in the region. This is important because it will help Amwal to differentiate itself from its regional competitors, who often operate on similar grounds and similar strengths.   This will occur over the mid   to long range period as Amwal builds on successful deals, takes steps to increase social responsibility, and invests in its employee resources.Competing with global names such as Deutsche Bank, Morgan Stanley and Goldman SachsDue to economic growth and initiatives to develop the capital markets, GCC countries have been successful in attracting global names such as Deutsche Bank, Goldman Sachs, Morgan Stanley, Barclays etc. This presents a unique challenge for a local bank like Amwal to remain compe titive due to its relative inexperience as compared to the multinational investment banks. GCC countries have embarked on a major capital expenditure initiative, developing their infrastructure and other major projects. Qatar alone will spend over $100 billion(U.S.) over the next five years.   This will help to position Amwal as a local expert with global capabilities.Hiring and retaining key staffDue to the spur in new market entrants, banks are competing for the best human resources and often find themselves short of a healthy bench-strength. This has been mainly due to the high turnover, shortage of seasoned professionals, and a general preference to employ western educated professionals with regional experience. This problem is more prevalent for local banks with limited resources.These local banks are rely heavily on key staff such as the senior manages of investment banking and asset management. Amwal is not immune to this problem and has recently developed a policy of retai ning good employees and encouraging its staff to develop further expertise by sending them for training and allowing time off from work for academic studies.   Amwal will face a key challenge of retaining staff and hiring more professionals due to circumstances beyond its control including regional factors such as increased competition and the higher cost of living.Need for a better corporate governanceAnother challenge is creating the right balance of power and accountability between the board of directors, senior management, shareholders,   and internal operating departments.   Amwal has grown tremendously over the last few years and is now planning for its own Initial Public Offering (IPO) early next year to support its current growth and future goals. During the initial years of operation, Amwal’s management style was very centralized with authorities and powers limited to a few key individuals. While this is very common among most local and regional institutions li ke Amwal, this structure usually leads to a financial and strategic gap upon the exit of these key individuals.Amwal has come a long way since its transformation into an investment bank and have developed business policy principles, guidelines, internal and external regulations and monitoring mechanisms. However, as we continue to grow, expand our global reach, and prepare for the IPO, I believe these measures would need to be constantly reviewed and enhanced as they are critical for conducting proper corporate accountability and enhancing business prosperity. Another prevailing impediment is the lack of proactiveness of the local governing bodies that need to substantially enhance the regulatory framework, develop stricter industry guidelines, and encourage transparency.   As an industry leader, Amwal is in a unique position to have a positive effect on the creation of the regulatory industry in the region.ConclusionThese observations are not only unique to Amwal.   Since we ar e in a constantly changing environment it is critical that local and regional institutions identify these challenges and develop a strategic plan to respond to them.   I believe that Amwal is well placed and uniquely positioned for this challenge with its sound business model and comprehensive long range strategic plan.

Personal Statement On The Field - 971 Words

When I was on a softball team a few years ago, me and my teammates would communicate through the essentials of communication which are process, meaning, and symbolic communication both on and off the baseball field. In example, when we are on the field, we communicate in procedural ways in order to reach a goal. We were engaging in action when we were practicing and using our knowledge when implementing a strategic plan on how we would play the different opponents we faced especially in crucial games. My teammates were all different races so we all had different cultural backgrounds. There were people on my team who were of American, African American, Asian, Lebanese, Puerto Rican, and Dominican descent. Therefore, my language was constantly changing when communicating between my Hispanic and American teammates. Our interpersonal competence and determination to win depicted the outcome of our games. However, most of us shared the same desire and effort in helping each other learn and grow with the team. Before our games would begin, some teammates practiced different ways based on their cultural roots. For instance, some Dominican teammates would practice their hitting skills by playing a game that is popular in their country. The game consisted of a long thin stick longer than a bat and thinner than a ruler. The balls that was used to pitch to the hitter was the shape of a hockey puck only smaller and thinner. This technique is mainly used to improve hitting skills andShow MoreRelatedPersonal Statement : Health Field774 Words   |  4 Pagesinvolved in the health field is because I wanted to pursue a career that gives back to other people the blessings that I received when I first entered this world. I was born prematurely and my mother often reminds me that it was the dedicated hard work of the physicians, nurses, and other health-care workers who saved my life when I was born. 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