Tags · Practice

storage

Refrigeration, room temperature limits and light protection.

63 topics 14 solved Group: Practice

63 topics · page 2 of 3

Topic	Participants	Replies	Views	Activity
Freeze-thaw and why one cycle is not the same as five Practice › Storage & stability beyond-use date freeze-thaw cloudy or discoloured solution storage On the subject in the title: Freeze-thaw and why one cycle is not the same as five Working notes rather than a conclusion. I have read the maintained page on this and I still have a gap, so I am asking rather…	+21	25	41k	8mo
Pen dose counters: what a click does and does not guarantee Devices › Pens & autoinjectors missed dose subcutaneous injection storage Under review On the subject in the title: Pen dose counters: what a click does and does not guarantee Working notes rather than a conclusion. I have read the maintained page on this and I still have a gap, so I am asking…	+116	122	1.6k	8mo
A parcel that arrived warm: a decision process, not a verdict Practice › Storage & stability 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
Refrigerated versus room temperature: the trade-off stated plainly — what changed since Practice › Storage & stability temperature excursion freeze-thaw storage cloudy or discoloured solution Closed Posting this under the heading it deserves: Refrigerated versus room temperature: the trade-off stated plainly — what changed since Everything below is what sits behind that. Practical question with the units…		2	2.7k	9mo
Temperature loggers worth the money Devices › Cold chain cold chain storage freeze-thaw Temperature loggers worth the money — setting out what I have, and where I think it stops being reliable. Reporting something rather than asking about it, in case the pattern is useful to anyone else. Over 10…	+46	50	8k	9mo
Airline travel with a temperature-sensitive injectable — what changed since Devices › Cold chain cold chain storage temperature excursion Airline travel with a temperature-sensitive injectable — what changed since Writing it up because I had to work it out twice and would rather nobody else did. I have read the maintained page on this and I…	+89	95	5.3k	9mo
Power cut for eleven hours: how I assessed it afterwards Practice › Storage & stability beyond-use date freeze-thaw storage cloudy or discoloured solution Posting this under the heading it deserves: Power cut for eleven hours: how I assessed it afterwards Everything below is what sits behind that. Practical question with the units stated, because I have seen…	+102	109	1.4k	9mo
Revisiting: Power cut for eleven hours: how I assessed it afterwards Practice › Storage & stability 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
Needle changes between doses on a reusable pen Devices › Pens & autoinjectors subcutaneous injection dead volume missed dose storage Posting this under the heading it deserves: Needle changes between doses on a reusable pen Everything below is what sits behind that. I have read the maintained page on this and I still have a gap, so I am…	+34	38	1.5k	10mo
Coming back to: What published stability data actually covers, and what it does not Practice › Storage & stability 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
Freeze-thaw and why one cycle is not the same as five — a second dataset Practice › Storage & stability storage beyond-use date freeze-thaw Freeze-thaw and why one cycle is not the same as five — a second dataset — setting out what I have, and where I think it stops being reliable. Practical question with the units stated, because I have seen how…	+47	55	46k	10mo
Why a pen's dose steps are fixed and what that costs you — one year on Devices › Pens & autoinjectors storage subcutaneous injection missed dose Solved Closed Asking directly, because I could not find a straight answer: Why a pen's dose steps are fixed and what that costs you — one year on I have read the maintained page on this and I still have a gap, so I am…	+30	34	2.9k	11mo
Second pass at: Isotonicity and what happens when you get it wrong Pharmacology › Formulation chemistry counter-ion content storage bacteriostatic water sterile water Closed Second pass at: Isotonicity and what happens when you get it wrong — setting out what I have, and where I think it stops being reliable. Working through the identity arithmetic and I would like it checked.…	+1	5	2.6k	11mo
Travel coolers and how long they really hold Devices › Cold chain temperature excursion storage freeze-thaw On the subject in the title: Travel coolers and how long they really hold Working notes rather than a conclusion. I have read the maintained page on this and I still have a gap, so I am asking rather than…	+78	84	14k	12mo
Domestic fridge temperature mapping: a cheap experiment — what changed since Devices › Cold chain cold chain storage freeze-thaw temperature excursion Domestic fridge temperature mapping: a cheap experiment — what changed since — setting out what I have, and where I think it stops being reliable. I have read the maintained page on this and I still have a…	+145	155	46k	12mo
Second pass at: Pen dose counters: what a click does and does not guarantee Devices › Pens & autoinjectors dead volume storage subcutaneous injection Second pass at: Pen dose counters: what a click does and does not guarantee — setting out what I have, and where I think it stops being reliable. A question about technique rather than about dose. I have been…	+63	68	51k	13mo
Needle changes between doses on a reusable pen — does this still hold? Devices › Pens & autoinjectors dead volume missed dose storage Solved Wiki Needle changes between doses on a reusable pen — does this still hold? 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…	+1	5	38k	13mo
Storing a pen in use versus a pen unopened Devices › Pens & autoinjectors storage missed dose dead volume Storing a pen in use versus a pen unopened 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 quickly these go…	+14	18	13k	14mo
Domestic fridge temperature mapping: a cheap experiment Devices › Cold chain cold chain temperature excursion storage freeze-thaw Domestic fridge temperature mapping: a cheap experiment Writing it up because I had to work it out twice and would rather nobody else did. I have read the maintained page on this and I still have a gap, so I…		2	182	14mo
Travel coolers and how long they really hold — the long version Devices › Cold chain storage freeze-thaw cold chain Solved Pinned Travel coolers and how long they really hold — the long version — setting out what I have, and where I think it stops being reliable. Reporting something rather than asking about it, in case the pattern is…	+19	23	45k	14mo
Excipient function in a licensed injectable — the long version Pharmacology › Formulation chemistry sterile water storage bacteriostatic water Posting this under the heading it deserves: Excipient function in a licensed injectable — the long version Everything below is what sits behind that. Working through the identity arithmetic and I would like…		2	100	15mo
Preservatives: function, testing, and limits Pharmacology › Formulation chemistry counter-ion content storage bacteriostatic water sterile water Preservatives: function, testing, and limits — setting out what I have, and where I think it stops being reliable. Working through the identity arithmetic and I would like it checked. tirzepatide has a…	+23	27	3.7k	16mo
Second pass at: Domestic fridge temperature mapping: a cheap experiment Devices › Cold chain temperature excursion cold chain freeze-thaw storage Solved Posting this under the heading it deserves: Second pass at: Domestic fridge temperature mapping: a cheap experiment Everything below is what sits behind that. I have read the maintained page on this and I…		2	30k	16mo
About the Cold chain category Devices › Cold chain cold chain temperature excursion storage Pinned Wiki Domestic refrigeration, travel, temperature logging, and assessing an excursion after the fact. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded with…		4	2k	17mo
Coming back to: Adsorption to container surfaces and to plastics Pharmacology › Formulation chemistry bacteriostatic water counter-ion content storage sterile water Adsorption to container surfaces and to plastics — setting out what I have, and where I think it stops being reliable. Posting the method first, because I know what the first three replies will otherwise be.…		2	459	17mo
Second pass at: A pen that felt like it delivered nothing: diagnosing it afterwards Devices › Pens & autoinjectors dead volume storage subcutaneous injection missed dose Second pass at: A pen that felt like it delivered nothing: diagnosing it afterwards — setting out what I have, and where I think it stops being reliable. A question about technique rather than about dose. I…	+9	13	829	18mo
Isotonicity and what happens when you get it wrong Pharmacology › Formulation chemistry sterile water counter-ion content storage On the subject in the title: Isotonicity and what happens when you get it wrong Working notes rather than a conclusion. Posting the method first, because I know what the first three replies will otherwise be.…	+27	31	11k	18mo
Transporting a vial for a weekend away Practice › Storage & stability 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
Buffers, pH and why a formulation is a formulation Pharmacology › Formulation chemistry counter-ion content cloudy or discoloured solution sterile water storage Buffers, pH and why a formulation is a formulation Writing it up because I had to work it out twice and would rather nobody else did. Posting the method first, because I know what the first three replies will…	+11	15	51k	21mo
Priming a pen and whether the primed volume is wasted — one year on Devices › Pens & autoinjectors missed dose dead volume subcutaneous injection storage Solved Posting this under the heading it deserves: Priming a pen and whether the primed volume is wasted — one year on Everything below is what sits behind that. Practical question with the units stated, because I…	+3	7	5.4k	22mo