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c/coldchain·submitted 11 months ago by u/milan_mensah

Spain: data logger, and what it actually costs here

Failurebranch of 9 comments

The title is the argument: Spain: data logger, and what it actually costs here. Here is the rest of it. You cannot infer potency from a temperature record. The record tells you what happened to the box; only a test tells you what happened to the material. Regional stock changes the question rather than answering it:…

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9 comments, started 11 months ago
u/milos_vestergaard273 points·11 months ago

Lyophilisation removes the water that drives most degradation pathways. That is why the dry cake is comparatively robust and the reconstituted solution is not.

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[removed]198 points·11 months ago

[removed by moderator]

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u/transit_variance104 points·11 months ago

write the reconstitution date on the vial

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u/analog_alphabet44 points·11 months ago

A stability statement is only meaningful with its conditions attached: temperature, duration, light exposure, and whether it covers powder or solution. Ask which.

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u/tidy_vialdrawer_watch28124 points·11 months ago

fridge, not freezer, once it is in solution

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About c/coldchain

Temperature and stability in the real world: what an excursion actually costs you, why lyophilised powder is far more forgiving than reconstituted solution, how to read a logger CSV, and how to photograph a failed shipment so the conversation with the vendor is short.

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