Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,902,603,128 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

Catalase
(redirected from Catalase test)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
catalase [′kad·əl‚ās]
(biochemistry)
An enzyme that catalyzes the decomposition of hydrogen peroxide into molecular oxygen and water.
Catalase 

an enzyme of the hydroperoxidase group that catalyzes the oxidation-reduction reaction during which water and oxygen are formed from two molecules of hydrogen peroxide:

Catalase is obtained in crystalline form; its molecular mass is 250, 000. The enzyme is widely distributed in the cells of animals, plants, and microorganisms. It is a chromoprotein having an oxidized heme as a prosthetic (nonprotein) group. Since the specificity of catalase for a substrate-reducing agent is low, it can catalyze not only the decomposition of H202 but also the oxidation of the lower alcohols. The function of catalase is to destroythe toxic hydrogen peroxide that forms in the body during vari-ous oxidative processes.
Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link 		Feedback
Mentioned in?  References in periodicals archive?   Encyclopedia browser?   Full browser?
No references found
 
Although other bacteria were more difficult to identify, some other methods used to aid in classifying each bacterial sample were performed, including the oxidase test, catalase test, and stab cultures.
Bacteria in lead contaminated soil by Reichard, Larry / Transactions of the Missouri Academy of Science
Last, perform a catalase test (if the organism is not growing on MAC or EMB), or a commercial identification kit system (if the organism is growing on MAC or EMB).
Sentinel bioterrorism responders: are hospital labs ready? by York, Mary / Medical Laboratory Observer
A motility test (motility agar, Difco) and catalase test were also conducted in microtiter plates.
Aeromicrobiology: an assessment of a new meat research complex by Fung, Daniel Y.C. / Journal of Environmental Health
 
 
 
Encyclopedia
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.