PDF-Acid Stain - Flashconcrete

Need a Concrete Driveway Concrete Flooring or Concrete Repairs Flash Concrete are Christchurchs premium Concrete Contractor for all things Concrete. HANGING-DROP METHOD. USE OF SEMI-SOLID MEDIA. STAINING OF FLAGELLA. SEROLOGICAL TEST. FLUORESCENT TEST. SWARMING PHENOMENA. METHODS OF IDENTIFYNG MICROORGANISM. 2. MORPHOLOGY AND STAINING. 3 GENERAL WAYS. Gram stain . Ziehl. . Neelsen. stain. . Requires the use of at least 3 chemical reagents.. Primary Stain. : . stain all the cells.. Decolorizing agent: . may or may not remove the primary stain from the entire the cell or only from certain cell structure. . Bacterial Taxonomy: How are these unicellular organisms classified?. complex system of classification. based on shape & size; oxygen, pH, and temperature requirements; laboratory characteristics, biochemical . Biology and Biotechnology department. Differential . stain separate bacteria into group . . Gram . Stain :. Differentiate bacteria into 2 groups:. Gram . positive bacteria . Gram . negative bacteria . Gram stain . Ziehl. . Neelsen. stain. . Requires the use of at least 3 chemical reagents.. Primary Stain. : . stain all the cells.. Decolorizing agent: . may or may not remove the primary stain from the entire the cell or only from certain cell structure. . Flash Concrete offers a range of Concrete Sealing including coloured, exposed, and stamped concrete. Exposed aggregate concrete is perfect for driveways and polished concrete floors and bench tops for indoors. Differentiate bacteria into two large groups (the Gram Positive and the Gram negative).. Gram status is important in medicine; the presence or absence of a cell wall will change the bacterium's susceptibility to some antibiotics. . Bacterial staining . Lab. 5 . A.L. Noor Ameer. Purpose of culturing is: . 1- Isolation of microorganisms from a . sample.. 2- . For counting the microorganism in the . sample.. 3- . Obtain pure . . By. Dr. . Shnyar. Hamid Qadir. Light Microscopy. Direct examination of stained or unstained preparations by . light (bright-field) microscopy. is particularly useful for detection of bacteria, fungi, and parasites.. . Almaarik. MYCOBACTERIUM. It has many species one of them is Mycobacterium tuberculosis that cause TB.. Some other common species seen include: . M. . avium.  AIDS patients. . M. . kansasii. M. . tissues, cells, cell components, cell contents, or microorganisms.. *The stain may be . natural or synthetic. . . *The object stained is called the . substrate. . . *Staining facilitates the observation of a substrate by introducing . & Mycobacterium. Bacterial shape. Bacilli. Cocci. Gram +ve. Gram –ve. Gram +ve. Neisseria spp.. Staphylococcus. Streptococcus. Gram -ve. Enterobacteriaceae. Spore forming:. 1. Bacillus spp. (aerobic). refractile. body within the vegetative cells. Procedure: (fig.10) . 1- Prepare a fixed smear.. 2- Flood the smear with 5% malachite green and let the stain react for 1 minute .Using your . bunsen. burner, heat the top of the stained slide until steam rises but do not let it boil. This step is performed by passing the burner back and over the slide for about 5 minutes.. Corynebacterium. Corynebacterium. is a . genus. of . Gram-positive. rod-shaped . bacteria. . . They are widely distributed in nature.. They are . catalase. positive . non-. spore. -forming . non-.