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18502

Millipore

Oxidase Reagent according to Gordon-McLeod

suitable for microbiology

Synonym(s):

Gordon-McLeod Reagent

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About This Item

UNSPSC Code:
41171621
NACRES:
NA.85

Agency

according to ISO 9308-1:2014

Quality Level

product line

BioChemika

shelf life

limited shelf life, expiry date on the label

composition

N,N-dimethyl-p-phenylenediamine hydrochloride, 0.15 g
water, 10 mL

packaging

pkg of 100 mL

storage condition

(Tightly closed)

technique(s)

microbe id | specific enzyme detection: suitable

antibiotic activity spectrum

Gram-negative bacteria

application(s)

clinical testing
environmental
food and beverages
pharmaceutical

microbiology

suitability

Plesiomonas spp.
Aeromonas spp.
Neisseria spp.
Pseudomonas spp.
bacteria

General description

Oxidase Reagent, according to Gordon-McLeod, is a commonly used laboratory reagent in microbiology to detect bacteria that produce cytochrome c oxidase. The reagent is designed to identify this enzyme′s presence, which plays a critical role in the electron transport chain and indicates respiratory metabolism in bacteria. The Gordon-McLeod reagent contains N,N,N′,N′-tetramethyl-p-phenylenediamine dihydrochloride, as the active component in the reagent. When an organism produces cytochrome c oxidase, the reagent undergoes a color change reaction, turning from colorless to blue or purple. This color change is a positive result, indicating the presence of cytochrome c oxidase activity in the tested organism.

Application

Oxidase Reagent, according to Gordon-McLeod, is a commonly used laboratory technique in industrial microbiology to differentiate between bacterial strains based on their ability to produce cytochrome c oxidase. The Gaby-Hadley A reagent provides a simple and efficient way to identify oxidase-positive bacteria, such as Pseudomonas, Vibrio, and some Neisseria species, while producing negative results for organisms that lack cytochrome c oxidase activity. in the food, beverage, and pharmaceutical industries.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Articles

Vibrios are motile, curved or comma-shaped bacilli and have a single polar flagella with sheet proteins. They are often found in open water, freshwater and saltwater.

On the Trail of Campylobacter - The Campylobacter is one of the leading causes of human gastroenteritis. Common Campylobacter species C. jejuni, C. coli, and C. lari are responsible for most cases of campylobacteriosis. However, other species, like C. fetus, which causes spontaneous abortions, have also been associated with human illness. Campylobacter are Gram-negative, spiral-shaped, microaerophilic and motile bacteria with uni- or bi-polar fl agella

Chromogenic media enable the selective detection of S. aureus, which produce bluish-green colonies that are clearly differentiated from other species.

For microbiologists the most fundamental stain was developed in 1884 by the Danish bacteriologist Hans Christian Gram.

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Protocols

General guidance for the detection and enumeration of Enterobacteriaceae in food according to EN-ISO 8523:1991 and EN-ISO 4832:1991, respectively.

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