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Lab #9 Acid Fast Stain Endospore Stain Eosin Methylene Blue (EMB) Agar Acid Fast Stain Differential Stain Ziehl Neelsen (ZN) heat method Acid fast cells have higher ...
Lab9AcidFast_EndosporeStain.ppt - Search
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eosin
methylene
differential
ziehl
neelsen
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Spore Staining Endospore Spore: structure that can survive for long periods of time in a metabolically inert state Produced when environmental conditions are poor Do ...
Acid-Fast Organisms . Primary stain binds cell wall mycolic acids; Intense decolorization does not release primary stain from the cell wall of AFB
Acid-fast Microscopy DetailsTechniques2.ppt - Search
organisms
primary
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mycolic
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Mycobacteriaceae . Classification – Family Mycobacteriaceae; 1 genus of medical importance= Mycobacteria; All are slow growing; All are acid-fast and contain large ...
Staining Microbiology Professor Sidelsky 2007 Part Two - Staining How to Make a Smear Stain with Simple Stain Stain with Gram Stain Acid Fast Specialized Staining ...
... Bacteria Why doesn’t a negative stain color a cell? 3-7 Why is fixing necessary for most staining procedures? 3-8 Why is the Gram stain so useful? 3-9 Acid-Fast ...
CH3-OBSERVING ORGANISMS THROUGH A MICROSCOPE * * * * * * * * * * * * * Red * * * * * Q&A Acid-fast staining of a patient’s sputum is a rapid, reliable, and ...
Corynebacterium species not acid-fast positive ; Corynebacterium species have high DNA G+C content in a wide range (46-74 mol%) indicating genetic diversity
Acid Fast Stain (Ziehl-Neelsen method) Carbolfushin at high concentration penetrate the lipid cell wall reach the cytoplasm; Cytoplasm once stained resist ...
Lab_exercises_15_and_16-Micro_Spring_2011_PPT.ppt - Search
ziehl-neelsen
carbolfushin
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lipid
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cytoplasm
stained
resist
3-10 Compare and contrast the Gram stain and the acid-fast stain. 3-11 Explain why each of the following is used: capsule stain, endospore stain, flagella stain.
Examining and Reporting Acid-fast Smears . Number of AFB Observed . Report . 200x,250x 400x,450x . No AFB seen . 0 . 0 . Doubtful: repeat . 1-2/30F*
Patients who are unable to produce sputum and with highly suspicious radiological and clinical findings and doctor's decision to treat for TB Other Acid Fast Bacilli ...
Morphology Acid - Fast Stain Differential Stain - divides bacteria into 2 groups Acid - Fast Non Acid - Fast Used to identify organisms in the Genera Mycobacterium ...
Differential Stain Gram stain Acid fast Stain 3. Special stain Capsular stain Endospore stain Flagellar stain Part One Simple stain Simple stain In this exercise, we ...
Gram-positive cell walls Gram-negative cell walls Thick peptidoglycan 90% peptidoglycan Teichoic acids 1 layer Not many polysaccharides In acid-fast cells, contains ...
Lab12-Gramstain.ppt - Search
gram-positive
walls
gram-negative
thick
peptidoglycan
teichoic
layer
polysaccharides
contains
Removes carbol fuchsin that has not bound to a mycolic acid. Methylene blue; Counterstain; Cannot penetrate mycolic acid; provides contrast to non acid fast ...
Laboratory criteria — Isolation of Mycobacterium tuberculosis complex (except M. bovis BCG)from any clinical specimen by culture — Evidence of acid-fast bacilli (AFB ...
5 Elena Rodriguez.pps - Search
laboratory
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isolation
tuberculosis
complex
except
bovis
clinical
specimen
culture
evidence
bacilli
... tuberculosis undergoes liquefaction with excavation of necrotic debris into large airways and cavity formation Laboratory Diagnosis of Tuberculosis Acid-fast smear and ...
Differential Stains: Gram Stain Differential Stains: Gram Stain Differential Stains: Acid-Fast Stain Cells that retain a basic stain in the presence of acid-alcohol are ...
... with positive charges e.g., crystal violet Differential Staining divides microorganisms into groups based on their staining properties e.g., Gram stain e.g., acid-fast ...
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