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Merck
CN
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安全信息

EC1

Sigma-Aldrich

Escherichia coli

Strain K12, lyophilized cells

别名:

E. coli K-12

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About This Item

MDL编号:
UNSPSC代码:
12352204
NACRES:
NA.83

质量水平

无菌性

non-sterile (not processed or packaged aseptically)

形式

lyophilized cells

适用性

not intended for starter culture

储存温度

−20°C

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一般描述

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.

其他说明

A mutant which is rich in alkaline phosphatase.

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

法规信息

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Pei-Gee Yap et al.
Foods (Basel, Switzerland), 9(9) (2020-09-24)
Active fragments (bioactive peptides) from the chicken egg white proteins were expected to exert tyrosinase inhibitory activities in which skin hyperpigmentation could be prevented. Egg white was hydrolyzed by trypsin, chymotrypsin and the combination of both enzymes. The enzyme treatments
Vuslat B Juska et al.
The Analyst, 145(2), 402-414 (2019-11-23)
We report the development of a dual-enzyme electrochemical biosensor based on microfabricated gold band array electrodes which were first modified by gold foam (Au-foam) in order to dramatically increase the active surface area. The resulting nanostructured Au-foam deposits then served
Tássia Silva Tavares et al.
Molecules (Basel, Switzerland), 25(2) (2020-01-16)
Owing to their high surface area, stability, and functional groups on the surface, iron oxide hydroxide nanoparticles have attracted attention as enzymatic support. In this work, a chemometric approach was performed, aiming at the optimization of the horseradish peroxidase (HRP)
Detection and Typing Strategies for Pathogenic Escherichia coli (2015)
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

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