Cholesterol Oxidase (CHO-CE)
Frequently asked questions
- Where can I get Safety Data Sheet (SDS) of products?
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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?
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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?
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Please store at or below -20°C.
- What stabilizers are used in CHO-CE?
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Trehalose, sodium malate, sodium glutamate, and EDTA are used as stabilizers.
- How thermostable is CHO-CE?
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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?
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The optimal pH is 7.0, and the optimal temperature is 50°C.
- What is the molecular weight of CHO-CE?
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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?
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It is useful for the determination of cholesterol in clinical analysis.