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(b) lack of effective statistical analysis
The most common is a sterile freeze-dried powder that a lab reconstitutes with bacteriostatic or sterile water
Ice crystal formation denatures the peptide irreversibly Unreconstituted powder (lyophilized): - Store in the freezer at -20 degrees Celsius for maximum shelf life (months to years) - Refrigerated storage at 2 to 8 degrees Celsius is acceptable for several months - Room temperature tolerance: 2 to 4 weeks without significant degradation - Keep the desiccant packet in the container to absorb moisture Practical storage tips: - Store vials on a middle shelf of the refrigerator, not in the door
Certain chemotherapy regimens, some antibiotics if taken for long periods, and long-term use of the epilepsy drug phenytoin, carry a risk of nerve damage
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