Transfusion in the patient with Sickle cell Disease Essay

Transfusion in the patient with Sickle cell Disease - Essay Example e, transfusion strategy is applied to prevent the recurrence, or the first occurrence, of stroke which is a major crisis in SCD, and to manage pulmonary hypertension and other sources of morbidity and mortality. Exchange transfusions are used to reduce the sickle cell haemoglobin (HbS) levels during crisis. Several situations also exist wherein the indication for red cell transfusion is controversial, uncertain, or downright injudicious. Many side effects of transfusion have been identified and methods to overcome them have been developed. Iron overload (remedy: iron chelation), and alloimmunisation (remedy: phenotypical matching of transfused blood) are two notable examples. Association of haemoglobinopathies and neurologic sequelae after transfusion is also known. At the present time, bone marrow transplant is the only curative procedure available for both SCD and ÃŽ ²-thalassaemia major. Potential therapies involving stem cell transplantation and gene techniques are being vigorous ly researched. A detailed discussion of the current status of clinical management strategies as applied to inherited haemoglobin-related diseases in particular, sickle cell disease and the thalassaemias, is presented in this paper. Anaemia is a syndrome characterised by a lack of healthy red blood cells or haemoglobin deficiency in the red blood cells, resulting in inadequate oxygen supply to the tissues. The condition can be temporary, long-term or chronic, and of mild to severe intensity. There are many forms and causes of anaemia. Normal blood consists of three types of blood cells: white blood cells (leucocytes), platelets and red blood cells (erythrocytes). The first generation of erythrocyte precursors in the developing foetus are produced in the yolk sac. They are carried to the developing liver by the blood where they form mature red blood cells that are required to meet the metabolic needs of the foetus. Until the 18th week of gestation, erythrocytes are produced only by liver

Aztec Belief System Essay Example for Free

Aztec Belief System Essay Throughout the history of mankind civilizations have trusted in the existence of a higher power. Although the existence of a higher power doesn’t bear as large of an impact on societies like the United States today, it was the focal point of life in many civilizations of the past. A great example of a civilization that was extremely reliant on the connection between humans and higher powers was the Aztecs. The Aztecs believed that they were connected to the universe by a sacred energy. They believed this energy was the source of all natural events and if it were unbalanced, they would suffer. In order to maintain the balance, the Aztecs performed ceremonial sacrifices, bloodletting, and other forms of violent cultural behavior. The connection between the Aztecs and the universe is evident among their myths about how humans were created. One creation myth is the story of the goddess Tlaltecutli. In the story Tlaltecutli was ripped apart by the gods Quetzalcoatl and Tezcatlipoca and her body parts were used to create the earth and the other gods. This event caused Tlaltecutli to desire human hearts and she would not be quiet until they were brought to her. Nor would she bear fruit until she had been drenched in human blood. Another creation myth, and the most common legend amongst the Aztecs, was that the god Quetzalcoatl descended into the underworld and retrieved the bones and ashes of previous human beings in order to recreate humanity because the universe had been destroyed after the fourth Sun went out. Quetzalcoatl ground the bones into powder and used his blood to fertilize it and create humans.   The Aztecs also had a myth that explained how the Sun and moon were created. According to legend, the gods Nanautzin and Tecuziztecatl sacrificed themselves by jumping into a fire, which turned them into the Sun and moon. The other gods also sacrificed themselves to provide nourishment for the Sun. However the Sun and the Earth still had an insatiable craving for human blood, therefore war was created to satisfy the Sun’s needs. What’s interesting about these creation myths is that they all included some form of death, sacrifice, or blood shed in order to create something. The creation myths shaped the foundation for why Aztecs placed so much emphasis on violent cultural behavior. In the Aztec society, human sacrifice was extremely common. This is because sacrifices were the main method of creating cosmic order between humans and the universe. Pubic sacrifices took place at the beginning of each of the 18 twenty-day months. The sacrifices consisted of mostly captured warriors, but in rare cases included children and young women. The purpose of public sacrifice was to acquire the divine forces embedded in the physiology of human beings in order to nourish the Sun, Earth, and rain. Aztec ceremonies consisted of days of ritual preparation, ceremonial sacrifice, and acts of nourishing the gods and the community. Priests carried out the sacrifices, which included many forms such as decapitation, burning, hurling from great heights, strangulation, and arrow sacrifice. The most common was the removal of the heart. The heart and the head were the two most important body parts to the Aztecs. Tonalli was a type of energy that came from the head and determined the shape of one’s temperament and destiny. Tonalli was first acquired as an embryo in a female uterus. The Sun was the most powerful way to increase tonalli. It was believed that hair prevented tonalli from leaving the body. Therefore hair was a major prize in warfare. When heads were decapitated during ceremonies, the city as a whole gained tonalli. Teyolia, or â€Å"diving fire†, was the energy that came from the heart and determined a person’s sensibilities and thinking patterns. When a person died his or her tayolia traveled to the world of the dead, or â€Å"sky of the Sun†. Tayolia gives energy to the Sun, which is why heart sacrifices were so popular.   Giving hearts and heads wasn’t the only donation made to the higher powers. Bloodshed was also seen as a type of nourishment. The Aztecs believed that spilling blood was vital to please the gods and to ensure natural forces such as strong harvests. Another Aztec creation myth, the story of Tezcatlipoca, gives strong insight into the importance of bloodshed. In the story the body of Tezcatlipoca was cut into pieces and divided over the four directions of the world, with his blood flowing into the center. The divine blood redistributed energy to animals, body parts, vegetation, and the calendar. Although The Aztecs believed that by giving the hearts and heads of their victims to the gods and the universe, they would be blessed with gifts like bountiful harvests, strength in war, and healthy lives, they didn’t practice sacrifice just to receive blessings; they also feared that the universe would be destroyed. The Aztecs believed that there had been four previous ages that the universe passed through prior to the present age, the Fifth Age. At the end of each age, the Sun went out and caused a catastrophic event that destroyed all life on Earth. In the Second Age, for example, it was believed that the beings that lived there were carried away by the wind. (AD1, p. 4) The fear of the Sun going out again and ending the Fifth Age is one the main catalysts for explaining why the Aztecs placed so much importance on human sacrifice, warfare, and other violent cultural behavior. In order to ensure that the Sun wouldn’t go out again, the Aztecs participated in what is known as the New Fire Ceremony. It took place once every fifty-two years and was used to ensure that the Sun would last for another fifty-two years. The rebirth was achieved by the heart sacrifice of a brave, captured warrior specifically chosen by the king. The ceremony began at the top of a mountain with a priest cutting out the warrior’s heart and throwing it into a fire. The people in the village would then cut themselves and splatter their blood in the direction of the fire. The fire was then brought down the mountain and the people blistered themselves with fire. The Aztecs believed that if they did not perform the ceremony properly to nourish the Sun, it would go out and the demons of the darkness would descend to eat all human beings. The New Fire Ceremony is a great example of how the Aztecs viewed the connection between human beings and the cosmos. The role of humankind in the Aztec society was very pre-determined. Men were devoted to warfare and females were devoted to the household. Warfare was extremely important to Aztec men because it was used as a way to appease the gods with the hearts of prisoners of war.   It was also used a way to rank the importance and worth of a man. Men higher up in the military rank received more luxuries and entitlements than men of lower ranks. For example, a top war commander, or â€Å"quauhpilli†, was given land by the ruler and could run schools for commoners.   Military service was a compulsory obligation by all free men. The Aztec’s innate desire for combat is a direct impact of the believed connection between conflict and nourishment for the universe. When a male child was born, he is dedicated to the Sun, and â€Å"the flowery death† of the warrior in battle or on the killing stone. This shows that the Aztecs believed that the only honorable death for a male is on the battlefield or being sacrificed on another tribes killing stone. The Aztec devotion to the universe was so strong that they not only believed that they had to sacrifice others in battle to please the gods; they had to sacrifice themselves as well. The culture and beliefs of the Aztec civilization were much different than the culture and beliefs of society today. Human sacrificing no longer occurs because it is considered cruel and unusual punishment. Humans do not believe that sacrifices and bloodshed are necessary to please a higher power. Although there are certain religions that believe that the way humans act bear some consequence on things like karma and where we go in the afterlife, it is rare to find a society in today’s world that believes wholeheartedly that there is a direct connection between human’s actions, the divine, and natural forces, like the Aztecs believed. Science and technology have allowed humans to understand that we can control all aspects of processes such as growing crops and that the gods have no effect on it. Warfare, although still important, does not have nearly as strong of an impact on humans today. Warfare is only needed for protection, to defend other countries, or in certain areas of the world, to attempt to settle religious differences like the Shiite and Sunni Muslims. Today, men and women have the choice to grow up and become whatever they want. Men are not required to serve in the military and women have the ability to do more than just take care of the household. The main difference between the Aztecs and humans today is that for the Aztecs, the connection to the universe was the most important aspect of life, while today creating a family, treating others fairly, and having proper morals are the most important aspects of life. The majority of people just want to make the most of their lives on Earth while they still have time, and depending on their beliefs, if they do it right they will reach an afterlife when they die. The Aztecs were one of mankind’s most interesting civilizations. They devoted their lives to pleasing the universe and believed that sacrifice and bloodshed were the best ways of doing it. They attempted to control every aspect of their lives in order to keep the connection between humans and the universe in balance. The Aztec belief system was very extreme. No other civilization has put so much emphasis on sacrifices, and more than likely, no civilization ever will again.

Employment in a Technological World Essay -- Unemployment, Competitive

The Bureau of Labor Statistics reports that as of September 2011, a whopping 9.1 percent of the American people are unemployed, meaning 14 million possible workers can't find a suitable job (â€Å"National Employment Monthly Update† par. 1). Many of the jobs that were once available to millions have been made obsolete by the creation of new technology. On the other hand, information and engineering technology have established a vast number of skilled and unskilled jobs in the business sector and many research fields. The balance between creation and destruction is applicable to the effects of technology in today’s society and has been studied since the ancient civilizations. With the arrival of new technology every day, there is a constant oscillation in the number of available jobs in every field. This system of creation and destruction of jobs originating from new technology is the most important effect on employment. Technology, most simply, terminates jobs in numero us professional fields and establishes engineering positions in only a few other fields. Defining unemployment and technology will elevate the understanding of technologies effects on employment. Unemployment is difficult to explain, however the Labor Department says that people are unemployed if they are without employment but are searching for possible jobs, although the jobs they are looking for are not available while other employment opportunities may exist(Mabry and Sharplin 2). Therefore, any person that has been laid off because of technology and is still looking for the same job that they previously had is considered unemployed. Mabry, a professor of finance at Clemson University, and Sharplin, a professor of management at Northeast Louisiana University, state... ...tion of jobs related to technology typically keeps itself in balance. However, this reaction does not occur over night, and there is always a brief period of economical instability. At first the jobs that were filled by unskilled laborers are lost or they are filled by new skilled laborers. Occasionally, some technological advancement completely destroys the need for a job which causes extreme unemployment for that labor field. This is followed by a period of staleness where employment doesn’t work its way buck up, but rather balances out at alternating percents depending on the economy. Afterwords, there is always a sky rocket in employment as competition and applicability of the technology becomes more diverse. This in turn proves that although technology is economically unstable right out of the door, it is a great way to increase jobs over a long period of time.

Employment trends affect Gail Hunter and Selsdon Park hotels Essay

Identify and describe external and internal influences that affect human resources planning. In your discussion relate how each factor might affect human resources within your chosen organisation. Selsdon Park Hotel Introduction: The role of a HR manager is to recruit and train new employees into a business. The business that I am looking at is Selsdon Park Hotel. One of the main roles of the hr management is to employ people into the company. This is called induction training. External influences: external influences are things that affect the human resource manager every day but things that are out of the human resource manager’s control. So all this external influences affect the human resource manager which affects the hr planning Economic Climate: At Selsdon Park Hotel the economic climate will change due to many external factors that may affect the company. This may include government laws coming into play, weather and many other natural factors. Also within many businesses there is a changing money climate will also affect the running of the businesses, the changing money climate would affect the job of Selsdon Park Hotel Resource manager. The changing money climate would affect the HR managers job because of many factors, this include interest rates and training new staff. This could lead to the hotel not having the correct staffing and then the slower running of the business. The stock market could play a part in this. For example in a poor economy many customers would have less disposable income. Selsdon Park Hotel with the lost of many of its customer would be making less profit which would lead to reducing non-essential staff. High and low interest rates would also have an effect on the economic climate which would infl uence the human resource planning. With higher interest rates people would have less disposable income and vice versa. Consumer Trends: Money within any business would depend on the selling of rooms at Selsdon Park Hotel. There are many factors which affect the consumer trends. This includes the amount of leisure time they customers have. Often in many the companies the higher your role in that organisation the less leisure time you have. Many companies do tend to aim a lot of there higher priced holidays at people with larger disable incomes which include senior managers etc. Also with the introduction of the internet the selling of holidays has increased greatly. Instead of people waiting around for hours in travel agencies, it is easier and less hassle to log onto the internet and choose your holidays online. Also you get the best deals on the internet. With the travel agents, they do tend to try and sell you the most expensive holidays but online you can get some great flight deals with Ryan air. This affects the job of the human resource manager because the manager must adjust and adapt to the trends of the consumer. And to adapt to the liking of the consumer the Human Resource manager must make sure that the employees within the business are up to date with new procedures implimented by HR. Employment trends Employment trends affect Gail Hunter and Selsdon Park hotels HR department greatly. Many people go for jobs which are seen as popular at the time. For example many students other the summer holidays like to have holiday rep jobs in Europe or would try to find jobs in hotels doing the summer also. This could affect the staff planning of Hail Hunter because there is a lot of competition in the area for hotel staff. These include Croydon Park hotel, Jury’s Inn and the Hilton hotel .Selsdon Park Hotel would have to make sure that there positions at waiters look more desirable through there advertisement and job description through the recruitment department. State of the industry: The state of the travel and tourism industry affects the job of the Human Resource Manager a lot. This is because if a new resort or destination becomes available for customers to visit the HR manager would have to train thier staff to so they can market the destination to the customers. Also with new technologies the HR manager would have a larger budget and then would be able to employ a larger work force or give out incentives to current employees Skill shortages: As in many companies there may be a shortage in the skills needed to do a specific job. This may be because the company may not be able to find a suitable applicant and may have to put someone else with similar or not the desired skills in there place. Taking this action may lead to slow running of the company and stress being put on the staff below and on the level of these staff members. At Selsdon Park you have to get through specific process to become an employee in the business. Gail Hunter who is Selsdon Park hotels Personnel Manager or Human Resource Manager would have to select applicants and short list them down to the top 50. There are many skills needed. For example to become a Selsdon Park Hotel waiter you must have obtained the following skills first: Ideally you would need to have at least two years experience within this role, preferably within the hotel environment or quality restaurants. You must be a team player with good supervisory skills to enable you to assist in the day to day running of the kitchen and to ensure that a first class service is provided to our guests. You will be required to cook to a minimum AA one rosette standard. The hotel has a busy restaurant, extensive banqueting and a successful pub operation . There are a number of requirement that u need to become a member of Selsdon Park hotels staff. These are as follows * Experienced in a customer services environment & comfortable in a selling role * Physically fit with a good attendance record in your current position * Hard working, flexible & willing to operate on a shift roster * Over 18 years of age * Of normal vision (contact lenses acceptable) * Able to swim well * In possession of a valid EU passport * Fluent in English (both written and spoken) * Ideally possessing knowledge of a second European language * Prepared to work unsociable hours, any day of the year, at any time including weekends * Ready to meet the challenge of dealing with people and demanding situations * Friendly and outgoing with a lively personality As you can see from the skills required Selsdon Park hotel ask a lot from people who want to join there team. As the Human resource manager, you would have to go applications and cvs to try and find the best persons for the job who fit the criteria needed. With many applicants who do not have the skills required but who are accept on the job through a interviewing basis may need extra training, and may have to go on training courses. This would take a slice out of Gail hunters Selsdon Park hotels Human Resource manager’s budget. Location issue: The locations of Selsdon Park hotel may be a problem for the human resource planning for the hotel. This is because of the accessibility of the skilled staff the company needs to the airports are poor. This is when the human resource manager would have to decide carefully the most skilled staff they need for the hotel and how much out of the budget they would have to get. Also with people who live an extremely long way from the hotel there are living quarters on site which they could use. Competition for employees: When looking for specific employees needed to do a job in Selsdon Park hotel there may be external competition from other companies to employ this person also. For examples if there is a shortage of waiters companies within Croydon may all try to compete for the same person. These hotels include Croydon Park hotel and juries inn. Each of these hotels will advertise them selves in such away and would try to make them seem better to work at then the other one. They would try and sell there business to the potential employee. They would mainly do this through advertisement. Selsdon Park also has a website http://www.principal-hotels.com/hotels.asp?hotelid=2&pageid=12 which explains jobs available and the pros and benefits of the job. Weather: Natural factors like the weather can also play a big part in the decisions of a HR manager. If the weathers get very serve and spoils the activates they have planned for the day outside it is up to the HR manager Laws: Also there are many laws which affect the role of the Human resource manager. These include laws and regulations that the manager has to go by. When selecting and employing people into the business the HR manager at Selsdon park hotel has to look go by the following laws. This are: 1 Equal opportunities law 2 Race relation act 3 Sex Discrimination act 4 Equal pay act Each of these acts must be follow by law and if these acts are not followed it could lead to an industrial tribunal. This laws and acts are in place to help the HR manager at Selsdon Park hotel not hinder them. If all this laws are followed correctly the HR manager would select the best person for the position applied regardless of race or sex. Internal Factors: Staff Turn Over: Within an organisation there is a number of staff they employ. In many companies like Selsdon Park Hotel they try to limit the amount of staff turn over. This is because of the costs that the company would be paying out in redundancies to the employed affected if Selsdon Park hotel does not have a valid reason. Staff turn over is a term used by a business to describe the coming and leaving of people within the company. The higher the staff turn over the more the business would suffer because the coming and leaving of people would use up resources needed by the HR manager and would also affect the businesses productivity Responding to consumer trends in terms of products and services: It is also the job of the human resource manager to respond and cater to the consumer trends in the products and services of a company. In Ryan air they would analysis the best selling product and also see why the other flight packages are not selling. They would look at there flight prices and compare them against other short haul flight providers in Europe. Staff Turner Over, Career Moves: Staff turn over is to do with the number of staff leaving and joining a company. It is the job of Selsdon park hotels human resource manager Gail Hunter to make sure they have the lowest amounts of staff turner over. This affects the human resource manager because it is his job to employ people to work in the company who have the right skills needed to perform the job correctly. Any human resource manager with a large amount of staff leaving and coming into the business would have a lot of work on there hands. This would be because they would have to go through job interviews and selection processes. Doing all this would take up a lot of the manager’s time so it is the human resources mangers job to make sure everyone in the company is well catered too, and are also satisfied with there job. Sickness rates and Absenteeism: Human resource managers have to monitor the sickness and absenteeism in the company to make sure no one is taking to much time off and also whether to give out sickness pay which if a lot of people are off at one time would take a large slice out of the HR budget. Organisational structures, staff roles and responsibilities: It is the job of Gail Hunter to monitor the organisational structures and staff roles in Selsdon Park hotel. The organisational structure is the structure that controls a company and dictates who you report to and who reports to you. A group of people for example cabin crew are control and overseen by a team leader which in turn reports to customer relations manager. This hierarchy is critical in the business so that all the employees know there jobs and rolls. Laws: There are lot of laws which Selsdon Park Hotel must follow to make sure of the smooth running of the business. Because Selsdon Park hotel is also a restaurant and serves food they must follow the food safety Act 1990. This act requires that owners and operators of food businesses take all reasonable precautions and exercise due diligence to ensure that they comply in every respect with current food legislation. Another thing which is tied to the food laws is personnel hygiene which when handling food must be very good with long hair tied back and also hats worn when preparing food. Source: Principal Hotels employee handbook Age of Employees: Also the age is a main factor which companies have to be aware of. They can’t employ anyone under the age of 16 by law or the company could be prosecuted. Also many companies try not to employ women of a certain age. This is usually 20-30. Companies should not do this but they do because women at these ages are more likely to have children. So if a company employs a large amount of women at this age they would have to pay out maternity leave if they have children within this time. Training Organisation: It is the responsibility of Gail Hunter the Director of Human Resources at Selsdon Park Hotel to make sure all her staffs are trained well. The organisation must make sure the new employee in training noses about hazards and risks within the workplace. It would be the job of the training person to tell the trainee the hazards and risks within the workplace and also to deal with them. These hazards may include: 1 Torn or ripped carpets 2 Broken furniture 3 Overloaded sockets 4 Loose flexes 5 Trailing cables 6 Overloaded tables/shelving 7 Spillages 8 Broken Glass 9 Rubbish accumulating Most of these hazards seem simple and straight forward but when entering a new workplace the simple list of tasks may seem daunting .Another thing they will teach the new employee would be risk assessments. Risk assessments are where hazards are identified and the risk is identified from this hazards. The new employee is also told where the first aid boxes are so that if an accident does happen they can quickly deal with it. In Selsdon Park Hotel the first add boxes are situated: 1 Housekeeping department 2 Kitchen 3 Reception 4 Room Service 5 HR 6 Greens department 7 The Restaurant 8 Conference and Banqueting Vale try Source: Principal Hotels employee handbook The HR and staff are very important to the business. This is because the HR department manage the staff to make sure they are proforming well and that their needs are catered to. It is also the job of the HR department to make sure that all the employees are up to date with all the new legislation and laws implemented to company. Also HR has to make sure that all the employees are trained well. This is so important because when in the eye of the customer the employee has to know what they are doing when taking down bookings and other such things. The lack of training could lead to the company loseing large amounts of money and also customers who would look for other organisations. If all staff are trained well and know what they are doing the performance of company is going to be better, and also the employees will feel more confident when dealing with customer service and company situations.

Active Listening Reading Material

Poor Listening Habits Editing: You hear only what you want to hear. Rehearsing: You think about what you want to say while the other person is speaking. Delving: You focus on finding a hidden message, rather than existing to what the other person is saying. Daydreaming: You let your mind wander. Personalizing: You relate everything the person is saying to your own life and allow your thoughts to wander. Arguing: You focus on finding something to judge or ridicule. Agreeing: You nod your head to everything in order to avoid conflict.Switching: You change the subject quickly, as soon as the person stops speaking. Barriers to Listening Type of Barrier Explanation and Example Noise: Physical Distractions All the stimuli in the environment that keep you from focusing on the message. Example: loud music playing at a party. Mental Distractions The wandering of the mind when it is supposed to be focusing on something. Example: thinking about a lunch date while listening to a teacher. (Anybod y can make out that you are not listening. Factual Distractions Focusing so intently on the details that you miss the main point. Example: listening to all details of a conversation but forgetting the main idea. Semantic Distractions Over responding to an emotion-laden word or concept. Example: not listening to a teacher when after she mentions â€Å"Marxist theory. † Perception of Others: Status Devoting attention based on the social standing rank, or perceived value of another. Example: not listening to a freshman in a group activity. Stereotypes Treating individuals as if they are the same as others in a given category.Example: assuming all older people have similar opinions. Sights and Sounds Letting appearances or voice qualities affect your listening. Example: not listening to a person with a screechy voice. Yourself: Egocentrics Excessive self-focus, or seeing yourself as the central concern in every conversation. Example: redirecting conversations to your own problems . Defensiveness Acting threatened and feeling like you must defend whatnot have said or done. Example: assuming others' comments are veiled criticisms of you.Experiential Superiority Looking down on others as if their experience with life is not as good as yours. Example: not listening to those with less experience. Personal Bias Letting your own predispositions, or strongly held beliefs, interfere with your ability to interpret information correctly. Example: assuming that people are generally truthful (or deceitful). Pseudo listening Pretending to listen but letting your mind or attention wander to something else. Example: daydreaming while your professor is lecturing. (You appear to be listening).

The Life Of LOUIS PASTEUR Essays - Food Preservation, Food Science

The Life Of LOUIS PASTEUR Essays - Food Preservation, Food Science The Life of LOUIS PASTEUR Louis Pasteur was born on December 27, 1822, in D?le, a small town in France. He grew in a humble family and his father was a tanner. He graduated in 1840 from the College of Arts at Besancon and entered the prestigious Ecole Namale Supervieure, Paris, to work for his doctorate degree. He chose for his studies the then obscure science of crystallography, which was to have a great influence on his career. Pasteur entered the scientific world as a professor of physics at the Lycee of Tournon and started his research on the optical properties of crystals of tartaric acid salts. He found the two forms of this acid which could rotate the plane of polarization of light, one to the right and the other to the left. This was his first important discovery in crystallography, the phenomenon of optical isomers. Paradoxically it incited him to abandon the field. But it won the acclaim of the French Academy and Britain's Royal Society. Thus Pasteur became famous at the age of 26. Pasteur soon began researching the complexities of bacteriology. The prevalent theory of life at the time was spontaneous generation which states that certain forms of life such as flies, worms, and mice can develop from non-living matter such as mud and decaying fish. Pasteur disproved this theory with a simple experiment. He showed that microorganisms would grow in sterilized broth only if the broth was first exposed to air containing spores, or reproductive cells. His findings led to the development of the cell theory of the origin of living matter which states that all life originates from preexisting living material. In 1849, Pasteur became professor of chemistry at the University of Strasbourg, where he began studying fermentation, a type of chemical breakdown of substances by microbes. He served the rest of his career as Dean of Sciences at the University of Lille. Soon after his arrival at Lille, Pasteur was asked to solve the problems of the local industries, vinegar and silk manufacture. A producer of vinegar from beet juice wanted to know why the product was sometimes spoilt. On examining the juice microscopically, Pasteur observed that the contaminant, amyl alcohol, was optically active. This gave clear evidence that it was produced by a living organism. Pasteur then proposed a biological interpretation of the process of fermentation. He demonstrated that when no contamination by living contagion took place, the process of fermentation or putrefaction did not take place. Thus the celebrated techniques of Pasteurization, came into being, it could not only preserve wine and milk but drastically cut inflation in the surgeon's operating table. Today pasteurization follows closely the early techniques of Louis Pasteur. In the case of milk pasteurization, the milk is heated to 161?F for 15 seconds followed by a rapid cooling to 50?F or lower. This process removes any unwanted bacteria, but also kills any beneficial bac! teria and reduces some of the nutritive property of milk. The Franco-Prussian War opened an avenue to press his microbial theory of infection, he got the grudging agreement of the military medical corps to sterilize instruments and steam bandages. As a result, thousands of lives were saved. In 1873, Pasteur was elected to the French Academy of Medicine, a spectacular achievement for a person without a medical degree. Pasteur was now ready to move from the simpler forms of life in the microbial world to the diseases of the higher animals. The opportunity came through a devastating outbreak of anthrax, a killer plague of sheep in 1876. Pasteur tried to produce pure cultures, his objective was to fight the disease and not just to describe it. Pasteur had accidentally forgotten in a corner of the laboratory a culture of fowl cholera and noticed that it had lost some of its virulence. Then he vaccinated some chicken which resisted the disease. The same technique, after improvement, was applied against bacillus anthracis: sheep inoculated with the vaccine survived and the non-vaccinated ones died. A scourge that had crippling economic effects was brought under control. Simultaneously, the principle of immunization or the protection of the body through vaccines was discovered. In 1865, the silk industry of France faced an economic ruin by an epidemic among silkworms.

Valentines Day Quotes to Share with Our Friends

Valentines Day Quotes to Share with Our Friends Valentines Day is primarily for lovers. But you can also celebrate Valentines Day with your friends. Strengthen the bond of friendship with a simple act of love. Let your friend know how much you enjoy his or her companionship with these Valentines Day quotes for friends. Why We Need Friends It is important to remember our friends on Valentines Day, because they are close to our hearts, wherever they are, however long its been since weve seen them. And thats because... Friends are as companions on a journey, who ought to aid each other to persevere in the road to a happier life. - Greek philosopher PythagorasA friend is our alter ego - Greek philosopher ZenoA friend is a second self - Greek philosopher AristotleLove unlocks doors and opens windows that werent even there before. - American journalist Mignon McLaughlin, The Second Neurotics NotebookMiracles occur naturally as expressions of love. The real miracle is the love that inspires them. In this sense, everything that comes from love is a miracle. - American author Marianne WilliamsonThe cure for all ills and wrongs, the cares, the sorrows and the crimes of humanity, all lie in the one word love. It is the divine vitality that everywhere produces and restores life. - American abolitionist Lydia Maria ChildWalking with a friend in the dark is better than walking alone in the light. - Helen KellerHe who loves 50 people has 50 woes; he who loves no one has no woes. - Buddha, founder of Bu ddhism Why Friendship Is Better Than Love Lets face it: in our long lives, lovers come and go; love grows and fades and grows again. So there are significant reasons why our friends fill the gap that our lovers cant. Whether we have lovers or not, we still need friendship. Friendship always benefits; love sometimes injures. - Roman Stoic philosopher SenecaThere is an important difference between love and friendship. While the former delights in extremes and opposites, the latter demands equality. - Francoise DAubegne Maintenon, second wife to Louis XIV of FranceLove is life. And if you miss love, you miss life. - American writer Leo BuscagliaFriendship marks a life even more deeply than love. Love risks degenerating into obsession, friendship is never anything but sharing. - American political activist Elie WieselFriendship is really the finest balm for the pangs of disappointed love. - British writer Jane Austen, Northanger Abbey.A friend who is far away is sometimes much nearer than one who is at hand. - Lebanese poet Kahlil Gibran Lovers as Friends Sometimes, if were very lucky, our lovers are also our best friends. Come, let us take our fill of love until the morning: let us solace ourselves with loves. - Bible (Book of Proverbs)Love is friendship, friendship is love. If love fails, friendship should remain. For friendship is the foundation of love. - Author UnknownMy love, you know you are my best friend. You know that Id do anything for you, and my love, let nothing come between us. My love for you is strong and true. - American songwriter Sarah McLachlanWe loved with a love that is more than love. - American novelist and poet Edgar Allan Poe, Annabel LeeTwo souls with but a single thought, /Â  Two hearts that beat as one. - Austrian poet Friedrich HalmWho would give a law to lovers? Love is unto itself a higher law. - Roman philosopher Boethius Lessons on Being a Friend We all need our friends; but how do we fulfill our side of the bargain? If you judge people, you have no time to love them. - Albanian-Indian Roman Catholic nun and missionary Mother TeresaLove does not dominate; it cultivates. - German writer and statesman Johann Wolfgang von GoetheSome people care too much, I think its called love. - fictional friend of A.A. Milnes young son Winnie the PoohWeve got this gift of love, but love is like a precious plant. You cant just accept it and leave it in the cupboard or just think its going to get on by itself. Youve got to keep watering it. Youve got to really look after it and nurture it. - British songwriter John LennonYou dont love someone for their looks or their clothes, or for their fancy car, but because they sing a song only you can hear. - British poet and playwright Oscar Wilde