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Sigma-Aldrich

Escherichia coli

Strain K12, lyophilized cells

Synonym(s):

E. coli K-12

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About This Item

MDL number:
UNSPSC Code:
12352204
NACRES:
NA.83

Quality Level

sterility

non-sterile (not processed or packaged aseptically)

form

lyophilized cells

suitability

not intended for starter culture

storage temp.

−20°C

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General description

Escherichia coli (E.coli) is a non-spore forming, Gram-negative, rod-shaped facultative anerobe, which is found in the human gastrointestinal tract. It belongs to the family of Enterobacteriaceae. E.coli is chemoorganotrophic and grows at 37°C. Pathogenic E.coli strains is associated with diarrhea, septicemia, meningitis and urinary tract infections. It inhibits the colonization of the gut by harmful bacteria. E.coli acts as an indicator of fecal contamination.

Other Notes

A mutant which is rich in alkaline phosphatase.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Multiple antibiotic resistance indexing of Escherichia coli to identify high-risk sources of fecal contamination of foods.
Krumperman PH, et al.
Applied and Environmental Microbiology, 46(1), 165-170 (1983)
Min-Hui Zhao et al.
Biosensors & bioelectronics, 150, 111865-111865 (2019-11-20)
We develop a low-background electrochemical biosensor for one-step detection of uracil DNA glycosylase (UDG) based on the host-guest interaction and iron-embedded nitrogen-rich carbon nanotube (Fe-N-C) that mimics enzyme-mediated electrocatalysis to achieve signal amplification. In this work, Fe-N-C is initially immobilized
Foodborne Pathogens: Microbiology and Molecular Biology (2005)
Daria Semenova et al.
New biotechnology, 56, 27-37 (2019-11-11)
Design and development of scale-down approaches, such as microbioreactor (μBR) technologies with integrated sensors, are an adequate solution for rapid, high-throughput and cost-effective screening of valuable reactions and/or production strains, with considerably reduced use of reagents and generation of waste.
Sylwia Baluta et al.
Sensors (Basel, Switzerland), 20(16) (2020-08-23)
Although neurotransmitters are present in human serum at the nM level, any dysfunction of the catecholamines concentration may lead to numerous serious health problems. Due to this fact, rapid and sensitive catecholamines detection is extremely important in modern medicine. However

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