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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giant cluster tightly packed together. 4. What is the difference between direct and indirect staining? (1) Direct staining stained bacteria with basic dye (methylene blue‚ carbol fuchsin‚ crystal violet‚ etc) which its coloring power is in positive ion‚ and reacts with the negatively charged cell. Thus‚ the bacterial cell will be stained with the basic dye’s color. In other words‚ direct staining
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tuberculosis distinguishable from nearly all other bacteria. Acid-fast staining is‚ therefore‚ known as a differential stain. Mycobacterium and some Nocardia species are considered acid fast because‚ during the acid-fast procedure‚ they are able to retain the primary dye even when decolorized by a powerful solvent known as acid alcohol. Most other bacterial genera are easily decolorized by acid alcohol. Ziehl/Neelsen Acid-Fast Staining Procedure In later years‚ Ehrlich’s technique was improved upon
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I know research work in microbiology and immunology will help me get the satisfaction of saving lives by these techniques I can help develop. Realizing the need to further upgrade my professional knowledge and expertise‚ I file this application for a master’s degree program in microbiology and immunology at Dalhousie University Compared with numerous other applicants‚ I believe that my unique advantage dwells in the strong motivation in life science and microbiology that I have maintained
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to gushing problems Hammond‚ J.‚ Brennan‚ M. and Price‚ A. (1999). The control of microbial spoilage of beer. Harper‚ D.R. (1981). Microbial contamination of draught beer in public houses. Proc. Harper‚ D.R.‚ Hough‚ J.S. and Young‚ T.W. (1980). Microbiology of beer dispensing systems Hayashi‚ N.‚ Ito‚ M.‚ Horiike‚ S. and Taguchi‚ H. (2001). Molecular cloning of a putative divalent-cation transporter gene as a new genetic marker for the identification of Henrikkson‚ E. and Haikara‚ A. (1991). Airborne
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Pseudomonas taiwanensis – Enrichment‚ Isolation and Identification Microbiology 521 2/10/12 Purpose: The purpose of this experiment was to enrich Pseudomonas bacteria‚ isolating a species of Pseudomonas and identifying it using phenotypic properties and DNA sequencing as an existent or completely new and undiscovered species of Pseudomonas. Overview: Genus Pseudomonas is a chemoheterotrophic bacteria found in soil and water. They are Gram negative‚ motile‚ paired rods that are also oxidase-positive
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Takahashi K (2002). Lignin–degradation ability of litter decomposing basidomycetes from picea forest of Hokkaida Myco.sci. (41): 105 – 110. 3. Domsch KH‚ Gaws W‚ Anderson TH (1980). Compendium of soil fungi 4 5. Pelczar MJ‚ Chan ECS‚ krieg NR (1993). Microbiology: Concept and Application International edition McGraw-Hill‚ USA 6. Wall DH‚ Virginia RA (1999). Controls on soil biodiversity insights from extreme environments. Appl. Soil Ecol. (13): 137–150. 7. Fawole and Oso‚ 2001 Results and tables
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trait? The separation is based on differences in the structure of the cell walls What is the iodine used for in this staining technique? The iodine in this staining technique is used after the crystal violet is applied. The iodine then affixes this and then a decolorizer is applied to take away the primary stain. Why is it important to heat fix the bacteria prior to the staining procedure? It is
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to your computer. You can view the TEXT of the PowerPoint Lecture if you view it under Notes. The following objectives focus your attention on the major concepts from the video and reading: List 7 major groups of organisms studied in microbiology. Identify the cell structure for each group (prokaryotic‚ eukaryotic‚ acellular). List the major characteristics that allow us to differentiate among these major groups. Compare the theories of spontaneous generation and biogenesis. Recognize
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|M.Sc. |BUNDEL KHAND UNIVERSITY |2011 | 71.44 | |( Microbiology‚ |Major subjects studied: | | | |Virology as Special subject) |Medical Microbiology ‚ Immunology‚ Molecular Technique‚ | | | | |Virology as special Subject
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