Chapter 1 The Problem Introduction Today’s technological innovation and medical advances gave birth to formulation of synthetic drugs used to treat respiratory infections‚ urinary tract infections‚ diarrhea‚ arthritis and other diseases. These pharmaceuticals are costly and to a point‚ inaccessible to many Filipinos. These may also pose adverse effects like nausea‚ dyspnea‚ and diarrhea. Researchers are challenged to produce natural medicines‚ which could be lower in cost and more synergistic
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Deaminase This test detects the formation of pyruvic acid from the deamination of phenylalanine. The pyruvic acid formed reacts with a ferric salt in the medium to produce a characteristic black to smoky gray color. Urea The production of urease by some bacteria hydrolyzes urea in this medium to produce ammonia‚ which causes a shift in pH from yellow (acidic) to reddish-purple (alkaline). This test is strongly positive for Proteus in 6 hours and weakly positive for Klebsiella and some Enterobaeter species
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Unit 11 Cleaning‚ Decontamination and Waste Management 1. Understand how to maintain a clean environment to prevent the spread of infection. 1.1 State the general principals for environmental cleaning The general principals for environmental cleaning are to ensure the hospital environment is as clean as possible to reduce the risk of infection‚ and that all precautions are taken in accordance to legislation and Healthcare policy’s and guidelines. “To prevent the transfer of micro-organisms which
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shown to be largely responsible for enabling oil of oregano to kill various microorganisms under experimental conditions. A dishwashing liquid is to remove stains‚ loosens food remains enough so you can wipe it away with little effort‚ to kill bacteria that sticks in the container. It is a detergent used to assist in dishwashing. It is usually a highly-foaming mixture of surfactants with low skin irritation‚ and is primarily used for hand washing of glasses‚ plates‚ cutlery‚ and cooking utensils in
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STERILIZATION AND DISINFECTION Definitions Bacteriostatic Agent: An agent that inhibits the growth of bacteria‚ but does not necessarily kill them. Bactericide: An agent that kills bacteria. Most do not kill Endospores. Sporicide: An agent that kills spores. Definition STERILIZATION The process of freeing an article from microorganisms including their spores. By definition‚ it effects a reduction in the number of microorganisms (more than 99.9999% are killed). Methods
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Microbes are diverse– protozoa‚ bacteria‚ fungi and microscopic plants viruses‚ viroids and also prions that are proteinacious infectious agents. Some of the microbes are shown in Figures 10.1 and 10.2. Microbes like bacteria and many fungi can be grown on nutritive media to form colonies (Figure 10.3)‚ that can be seen with the naked eyes. Such cultures are useful in studies on micro-organisms. BIOLOGY (a) (b) (a) (b) (c) (c) Figure10.1 Bacteria: (a) Rod-shaped‚ magnified 1500X
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pollutants include- gaseous pollutants (hazardous gases like sulfur dioxide‚ nitrogen oxide)‚ toxic metals‚ pesticides‚ herbicides toxins and carcinogens Etc. The physical pollutants are- heat‚ sound‚ radiation‚ and radioactive substances. The pathogenic organisms and some poisonous and dangerous biological products are the biological pollutants. Controlling the environmental pollution and the conservation of environment and biodiversity and controlling environmental pollution are the major focus
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Olivia Abstract The following report discusses whether the bacteria E.coli K12 are able to gain resistance to nickel and aluminium over generations. It discusses the importance of bacteria and how it is used throughout everyday life. It discusses that some bacteria is used for human applications and shows how it can be helpful in certain situations. This report will discuss the background information on E.coli K12 and the uses of bacteria. Throughout the investigation a series of experiments will
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much like many other gram-negative bacteria‚ in order to coordinate population behavior during events like invasion‚ colonization‚ and attack. Since they form biofilms on respiratory devices that
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Oregano Disinfectant Spray A Research Proposal In partial fulfillment of the requirements in “Research I” JOANNA ROSE M. BALDE ISAIAH GRACE E. RARELA 10-Responsibility CHAPTER I INTRODUCTION All proposed researches require gathering information about a certain topic. In this chapter you will read about what our topic is all about and the reasons why we had come up with this research proposal. 1.1 Background of the Study For centuries up until the present day‚ plants have given us
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