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The expression, characterization, and crystallization of wild-type and selenomethionyl hCG [PMID: 7835298] Laboratory literature summary: The expression, characterization, and crystallization of wild-type and selenomethionyl hCG
Sterile water lacks the preservative (benzyl alcohol) that prevents bacterial growth
They perform every type of treatment
The three most common options are: [Bacteriostatic water](/product/bac) (BAC water) : Sterile water with 0.9% benzyl alcohol Sterile water : Pure water (WFI grade) with no preservatives Phosphate-buffered saline (PBS) : Buffered saline solution at pH 7.4 Each has distinct advantages, limitations, and appropriate use cases
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