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Merck
CN

80507

Bile esculin disks

suitable for microbiology

Synonym(s):

Esculin Bile Disks

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About This Item

NACRES:
NA.85
UNSPSC Code:
41171621

Key Documents

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Technical Service
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product line

BioChemika

form

disc

shelf life

limited shelf life, expiry date on the label

technique(s)

microbe id | specific enzyme detection: suitable

application(s)

clinical testing
food and beverages, microbiology

storage temp.

2-8°C

suitability

Streptococcus spp.

Quality Level

100

Related Categories

General description

Used for rapid detection of esculin hydrolysis in presence of bile for differentiating group D streptococci from non-group D streptococci. Group D streptococci hydrolyzes the esculin to esculetin and dextrose. Esculetin reacts with an iron salt such as ferric citrate to form a blackish-brown colored complex.

Other Notes

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

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL7982
BCCK6735
BCCG1738
BCCF2342
BCBZ6466

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Articles

Identification of Microorganisms Based on Color

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

基于显色法的微生物鉴定

对于微生物学家而言，最基础的染色方法是由丹麦细菌学家Hans Christian Gram在1884年开发的。

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