vialroom

#storage-coldchain 2025-01-09

Thursday17 messages4 participantstimes are UTC
Highlights from this day
  • rotate_the_site — how cold is too cold, can it actually freeze in a normal fridge 11:46
  • back_from_away — follow up i freeze aliquots and have had them test fine afterwards. others here would not do it and i understand why a cooler with two gel packs held under eight… 13:30
  • rotate_the_site — update from 19 months ago: replaced the fridge, temperature is stable, no more anxiety 13:38
TC

for flying, hand luggage every time. the hold is not temperature controlled the way people assume

RT

how cold is too cold, can it actually freeze in a normal fridge

⚠️3🔥3👍6
BR

i left a reconstituted vial out overnight once, sent it for testing out of curiosity, it came back fine

BR

i would bin it

medutest-report-f-1330.pdf
3 pages · 718 KB · not retained in the public archive
BF

lyophilised powder is genuinely robust. a warm transit is far less likely to matter than people fear

solution is not

follow up i freeze aliquots and have had them test fine afterwards. others here would not do it and i understand why
a cooler with two gel packs held under eight degrees for eleven hours on a drive

📈7

test it

update from 19 months ago: replaced the fridge, temperature is stable, no more anxiety

🔥3💀18

a liquid cold pack tells you it was above freezing, not that your vial cooked

thats fine

reconstituted solution is the fragile part. that is where the cold chain actually earns its keep, happy to be corrected

RT

sorry to jump in light exposure matters much less than temperature for these. i still keep them in the carton