Cholesterol Oxidase (CHO-CE)

Frequently asked questions

Where can I get Safety Data Sheet (SDS) of products?

SDS and specification documents are available on each product page. They are also available from HERE. ⇒

Enzymes for Clinical Chemistry

What precautions should be taken when handling the product after opening?

To avoid moisture absorption of the enzyme powder, please allow it to return to room temperature in a sealed state before use. (Recommended conditions: around 25°C, humidity below 55%)

How should CHO-CE be stored?

Please store at or below -20°C.

What stabilizers are used in CHO-CE?

Trehalose, sodium malate, sodium glutamate, and EDTA are used as stabilizers.

How thermostable is CHO-CE?

It is stable in liquid form below 55°C (Fig.4) and remains stable at 37°C for at least one week (Fig.5). In powder form, it remains stable at 30°C for at least one month (Fig.6).

What are the optimal pH and temperature for CHO-CE?

The optimal pH is 7.0, and the optimal temperature is 50°C.

What is the molecular weight of CHO-CE?

The molecular weight is approximately 58 kDa (gel filtration), and it exhibits a monomeric structure (55 kDa by SDS-PAGE).

What are the main applications of CHO-CE?

It is useful for the determination of cholesterol in clinical analysis.

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