Radioactivity Radioactivity refers to the particles which are emitted from nuclei as a result of nuclear instability. People when think of radioactivity usually remind themselves of tragedies connected with them‚ and consider it as a negative factor. In fact‚ it has both its negative aspects as well as positive ones. It is used in several branches of life and studies‚ in order to make our lives better. I will try to present some of beneficial applications of radioactivity. • Probably the most
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REVIEW OF RELATED LITERATURE This investigatory project aims to make use of rambutan peeling extracts that is high in phenolic compounds such as tannin and saponin that exhibits antioxidant activity and antibacterial activity against pathogenic bacteria. Although the seeds contain such compounds the peeling exhibit greater amount of the said compounds. Rambutan is a very popular fruit cultivated in the Philippines and it is eaten in large amounts. The rambutans rind is quickly discarded and
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her mouth and screamed‚” (Lee 323) while she was pondering how a clearly innocent man could be tried as guilty (Lee 323). This quote illustrates how Mayella seemingly did worse than kill a man; she also had him declared guilty of a false crime‚ staining his reputation. To outsiders it will seem as if he was righteously killed‚ and what
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Summary and conclusion ¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬ 6.1: The chapter 1 deals with the introduction of zoonotic diseases caused by Leptospira and Brucella and their global incidence. Leptospira is ubiquitous in nature affecting both man and animals‚ while Brucellosis is a neglected‚ reemerging‚ zoonotic‚ endemic and communicable disease. Epidemiologically‚ the risk groups will vary according to the climatic conditions thereby can cause epidemics as well as endemics. They are transmitted to the humans when they
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Shawn Qualley Health Eating Disorder Bulimia Nervosa What Are Eating Disorders? A person with an eating disorder may have started out just eating smaller or larger amounts of food than usual‚ but at some point‚ the urge to eat less or more spirals out of control. Eating disorders are very complex‚ and despite scientific research to understand them‚ behavioral and social understandings of these are still unknown. The two main types of eating disorders are anorexia nervosa and bulimia nervosa
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ticks can also spread bacteria if someone crushes the ticks with their fingers and/or pull them out of an animal’s fur. Scientists who study the ticks notice that the ticks’ eggs notice that‚ according to Howard Ricketts‚ that there is ‘minute polar staining bacilli’ in freshly laid eggs of infected ticks.” In 1906‚ Howard Ricketts performed experiments on guinea pigs. After he transmitted the disease‚ he demonstrated that the bacteria could be removed via filtration. He was one of the first people
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Do You Desire Whiter Teeth? 3 Options to Consider You do not need to be stuck with teeth that are not a nice shade of white‚ since there are many options to brighten a smile. All whitening methods are not created equally‚ and you may find that one works better than another. Consider these 3 options for getting teeth that look whiter and brighter. Natural Whitening Solutions Many people start with a natural whitening solution. Be aware that they typically require a natural abrasive material to whiten
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out; the ruffians. "No matter‚" June said‚ entering instead through a hole in the roof and landing upon the dirt below. Of course she would find another way in. I followed‚ but did not land so gracefully. My knee burned with a new wound‚ scarlet staining my shin as it flowed almost elegantly. There was always something pretty about blood and brusing. Perhaps that was why I joined such a gang anyway. I could practically see the bruises already; dark purple and ugly. No matter‚ I repeated Junes’s words
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reflected off the surface and then enhanced electronically In order to use an electron microscope to examine a specimen it must first be treated‚ there are several way of doing this including cryofixation‚ fixation‚ dehydration‚ embedding‚ sectioning‚ staining‚ freeze fracture and sputter coating. As well as the advantages of electron microscopy there are also disadvantages. Electron microscopes are not able to show colour‚ they are also very expensive to purchase and maintain‚ they are also large and
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believe this was different depending on the bacteria because Chloramphenicol and tetracycline were the only organisms with growth on antibiotics agar. Yes‚ S. epidermis of antibiotics had all the six species effective. The difference between the gram-staining reaction microorganisms was lipopolysaccharide. S. epidermis had a gram-positive with a thick cell wall and E. coli had a gram-negative with a thin cell wall. E.coli had susceptibility to penicillin because the double outer membrane kept pathogens
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