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Temperature excursions don't cause visible changesthe vial looks identicalbut protein structure collapses irreversibly
The affinity cell sorting procedure efficiently enriched positive cells from 20% to 98% in K-562 cells
Methods Drug solutions Colistin sulfate salt ( hereinafter colistin) with a specific activity 19,000 IU/mg (#C4461) was purchased from Sigma Aldrich (St
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