Intersection · Practice × cold chain

Practice topics tagged cold chain

Topics in Practice carrying the tag cold chain. Temperature control in transit and at home.

21 topics

Topic	Participants	Replies	Views	Activity
Coming back to: Storing in the door of the fridge is worse than you think temperature excursion cold chain cloudy or discoloured solution Wiki On the subject in the title: Storing in the door of the fridge is worse than you think Working notes rather than a conclusion. I have read the maintained page on this and I still have a gap, so I am asking…	+2	6	2.1k	1d
Does a peptide degrade silently, with no visual change? beyond-use date cold chain temperature excursion freeze-thaw Solved Does a peptide degrade silently, with no visual change? I have a specific reason for asking rather than idle curiosity, and the context is below. I have read the maintained page on this and I still have a…	+73	79	1.3k	1d
Coming back to: Light exposure: how much protection is proportionate? temperature excursion cold chain freeze-thaw cloudy or discoloured solution Asking directly, because I could not find a straight answer: Light exposure: how much protection is proportionate? Practical question with the units stated, because I have seen how quickly these go wrong…	+5	10	13k	2d
[2026 update] Does a peptide degrade silently, with no visual change? temperature excursion storage freeze-thaw cold chain Does a peptide degrade silently, with no visual change? — that is the question, and I have not found it answered plainly anywhere I have looked. I have read the maintained page on this and I still have a gap,…	+82	86	24k	15d
Second pass at: Temperature logging at home: what is worth the effort temperature excursion cloudy or discoloured solution freeze-thaw cold chain Posting this under the heading it deserves: Second pass at: Temperature logging at home: what is worth the effort Everything below is what sits behind that. Reporting something rather than asking about it, in…	+4	8	29k	1mo
Transporting a vial for a weekend away — a second dataset storage cold chain beyond-use date Transporting a vial for a weekend away — a second dataset Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated, because I have seen how…	+74	84	5.1k	1mo
[2026 update] Storing lyophilised material long term: what governs the shelf life beyond-use date freeze-thaw cold chain cloudy or discoloured solution Storing lyophilised material long term: what governs the shelf life — setting out what I have, and where I think it stops being reliable. A question about technique rather than about dose. I have been doing…	+122	133	35k	1mo
Revisiting: Mean kinetic temperature explained without the mathematics storage cold chain temperature excursion cloudy or discoloured solution Solved Revisiting: Mean kinetic temperature explained without the mathematics Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated, because I…	+67	75	909	2mo
Light exposure: how much protection is proportionate? beyond-use date freeze-thaw cold chain cloudy or discoloured solution The question in the title: Light exposure: how much protection is proportionate? I will give what I have already checked below so nobody repeats it. A question about technique rather than about dose. I have…		2	59	3mo
About the Storage & stability category storage temperature excursion cold chain Pinned Wiki Refrigeration, excursions, light exposure, freeze-thaw, beyond-use dating, and what published stability data actually covers. This post is a community wiki: any member at trust level 3 or above can edit it,…		4	57k	4mo
Adsorptive losses at low concentration, and why dilute solutions are fragile storage cold chain beyond-use date Adsorptive losses at low concentration, and why dilute solutions are fragile — setting out what I have, and where I think it stops being reliable. A question about technique rather than about dose. I have…	+16	20	1.7k	4mo
Storing lyophilised material long term: what governs the shelf life temperature excursion cold chain freeze-thaw On the subject in the title: Storing lyophilised material long term: what governs the shelf life Working notes rather than a conclusion. Practical question with the units stated, because I have seen how…	+83	90	1k	5mo
Storing in the door of the fridge is worse than you think cold chain beyond-use date storage freeze-thaw Solved Storing in the door of the fridge is worse than you think Writing it up because I had to work it out twice and would rather nobody else did. A question about technique rather than about dose. I have been…		2	8.3k	5mo
Temperature logging at home: what is worth the effort storage beyond-use date cloudy or discoloured solution temperature excursion Temperature logging at home: what is worth the effort — setting out what I have, and where I think it stops being reliable. Practical question with the units stated, because I have seen how quickly these go…		2	6.3k	7mo
Second pass at: A reconstituted vial's beyond-use date and the reasoning behind common figures beyond-use date cold chain temperature excursion freeze-thaw Solved Second pass at: A reconstituted vial's beyond-use date and the reasoning behind common figures Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the…	+4	8	20k	8mo
A parcel that arrived warm: a decision process, not a verdict cold chain beyond-use date storage freeze-thaw Solved A parcel that arrived warm: a decision process, not a verdict Writing it up because I had to work it out twice and would rather nobody else did. A question about technique rather than about dose. I have been…	+130	140	12k	8mo
Revisiting: Power cut for eleven hours: how I assessed it afterwards storage freeze-thaw beyond-use date cloudy or discoloured solution Revisiting: Power cut for eleven hours: how I assessed it afterwards — setting out what I have, and where I think it stops being reliable. A question about technique rather than about dose. I have been doing…		4	195	9mo
Coming back to: What published stability data actually covers, and what it does not cold chain freeze-thaw storage beyond-use date Solved Closed The question in the title: What published stability data actually covers, and what it does not I will give what I have already checked below so nobody repeats it. Practical question with the units stated,…	+136	148	20k	10mo
Transporting a vial for a weekend away temperature excursion freeze-thaw beyond-use date cloudy or discoloured solution Closed On the subject in the title: Transporting a vial for a weekend away Working notes rather than a conclusion. Practical question with the units stated, because I have seen how quickly these go wrong without…	+39	45	35k	21mo
Mean kinetic temperature explained without the mathematics temperature excursion freeze-thaw storage cloudy or discoloured solution Posting this under the heading it deserves: Mean kinetic temperature explained without the mathematics Everything below is what sits behind that. Practical question with the units stated, because I have seen…		2	1.5k	2y
Refrigerated versus room temperature: the trade-off stated plainly cold chain cloudy or discoloured solution storage beyond-use date Refrigerated versus room temperature: the trade-off stated plainly Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated, because I have…		2	66k	2y

Sponsored Sigma-Aldrich — certified reference materialsReference standards, analytical reagents and certified materials for method calibration. If you are validating a method, this is where the standard comes from.Reference standards →