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Merck

L7920

Sigma-Aldrich

β-Lactamase Blend

recombinant, expressed in E. coli

别名:

Carbapenemase, Cephalosprinase

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About This Item

分類程式碼代碼:
12352204
NACRES:
NA.54

重組細胞

expressed in E. coli

品質等級

無菌

γ-irradiated

形狀

lyophilized powder

儲存溫度

2-8°C

一般說明

No detectable growth in tryptone soy broth at 30-35 °C for 14 days

生化/生理作用

β-Lactamases exhibit high carbapenemase activity. β-lactamases can destroy the β-lactam ring. True carbapenemases has the ability to hydrolyse several β-lactam ring containing carbapenems like meropenem, doripenem, imipenem and ertapenem.

成分

600-1500 IU beta-lactamase I per vial
60-150 IU beta-lactamase II per vial

單位定義

One unit will hydrolyze 1.0 μmole substrate per min (βI: benzylpenicillin; βII: cephalosporin C) in phosphate buffer, pH 7.0 at 25°C.

外觀

Lyophilized powder containing sodium chloride, potassium phosphate, dipotassium phosphate and sorbitol.

象形圖

Health hazard

訊號詞

Danger

危險聲明

危險分類

Resp. Sens. 1 - Skin Sens. 1

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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