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08086 Sigma-Aldrich

Nitrate Reagent Disks

for microbiology

Purchase

Properties

grade   for microbiology
shelf life   limited shelf life, expiry date on the label
storage temp.   2-8°C

Description

General description

Nitrate Reagent Disks are used to detect an organism’s ability to reduce nitrate. The test involves detection of the enzyme nitrate reductase which causes the reduction of nitrate in the presence of a suitable electron donor to nitrite, which can be tested by an appropriate colorimetric reagent.

Packaging

Sterile filter paper discs (50 pcs, diameter 6 mm) impregnated with Nitrate reagent.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles

Articles

Clostridia Diagnostic

Clostridia are relatively large, gram-positive, rod-shaped bacteria that can undergo only anaerobic metabolism. Most Clostridia cannot grow under aerobic conditions and even can be killed by exposure...
Jvo Siegrist
AnalytiX Volume 7 Article 2
Keywords: Aerobic, Anaerobic, Clinical, Degradations, Environmental, Fermentation, Germination, Gram stain, Indicators, Metabolism, Microbiology, Pharmaceutical, Vitamins

Clostridium perfringens, their Properties and their Detection

Clostridia are relatively large, Gram-positive, rod-shaped bacteria that can undergo only anaerobic metabolism. Most Clostridia cannot grow under aerobic conditions and can even be killed by exposure...
ivo.siegrist@sial.com
AnalytiX Volume 10 Article 4
Keywords: Aerobic, Anaerobic, Chlorinations, Degradations, Environmental, Fermentation, Germination, Gram stain, Indicators, Metabolism, Microbiology

EZ-Product Family for Bioburden Testing

The EZ family has been designed to optimize and streamline your bioburden workflow. Ideal for microbiological water, beverage, and medical device testing using the membrane filtration method. The fam...
Keywords: Filtration

Identification of Microorganisms Based on Color

For microbiologists the most fundamental stain was developed in 1884 by the Danish bacteriologist Hans Christian Gram. The Gram Stain allows the determination of morphology, dividing bacteria into tw...
Jvo Siegrist
Microbiology Focus Edition 1.4, Product Manager Microbiology.... ivo.siegrist@sial.com
Keywords: Antibiotics, Enzyme activity, Fermentation, Gram stain, Help, Indicators, Reductions

Microbiology Introduction

An initial aim of all microbiologists is the reproducible growth of their microbial cultures, no matter whether the microorganisms are of natural origin or have been genetically engineered by man. Re...
Keywords: Absorption, Aerobic, Anaerobic, Antibiotics, Antimicrobials, Buffers, Culture media, Diffusion, Environmental, Filtration, Genetic, Growth factors, Metabolism, Phase transitions, Precipitation, Reductions, Respiration, Sample preparations, Vitamins

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 campylobacteriosis1,2. However,...
Jvo Siegrist
AnalytiX Volume 8 Issue 1
Keywords: Antibiotics, Cancer, Citric Acid Cycle, Gram stain, Metabolism, Microbiology, Scanning electron microscopy

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