Recombinant HBV Surface Antigen-preS2 #abs01316

abs01316-10ug

1-2 Weeks

92

abs01316-50ug

1-2 Weeks

275

abs01316-1mg

1-2 Weeks

2431

Source

Escherichia coli.

Format

A concentrated solution in 20mM PB, pH 7.4, 50mM NaCl was filtered through a 0.2 μm filter and lyophilized. To create similar content, it can be stated that the solution was transformed into a dried form through lyophilization after being filtered through a 0.2 μm filter. The concentrated solution had a pH of 7.4, 20mM of PB, and 50mM of NaCl.

Properties

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Concentration

>95% by SDS-PAGE and HPLC analyses.

Endotoxin_level

The LAL method has determined that the rHBsAg-preS2 has a measurement of less than 1 EU/μg. This information can be rearranged to generate a different but highly similar content.

Reconstitution

To ensure proper mixing, we suggest briefly centrifuging the vial before opening it. You can reconstitute the contents in either sterile distilled water or an aqueous buffer with 0.1% BSA, aiming for a concentration of 0.1-1.0 mg/mL. If you're preparing stock solutions, divide them into smaller working aliquots and store them at a temperature below -20°C. Additionally, for further dilutions, it is recommended to use suitable buffered solutions.

Stability & Storage

This freeze-dried product can be stored at 2-8°C, but for prolonged storage, it's recommended to keep it at -20°C in a desiccated state. When reconstituted, the product remains stable for up to one week at 2-8°C. For optimal preservation, divide the reconstituted product into smaller working portions and store them at temperatures ranging from -20°C to -70°C. Be careful not to subject the preparation to multiple freeze/thaw cycles.