Hydrapeak and 3d printed inserts
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I live in Georgia, so heat and humidity is a lifestyle.
My point was you may be definitive on your opinion, but the community is not, and to many articles (see below) say otherwise. Yes, these are not true pharmaceutical facilities which operate at higher tolerances and production controls to prevent what you assume will happen to every vial? Fine. But, I also can't assume every vial is not sealed or bad. If a few vials aren't within spec and go bad, that's a small loss compared to all of them being stored poorly and degrading anyway. If you have anything other than anecdotal statements I'd be happy to hear it, as I don't believe "I know it all", unlike your statement portends to be.https://www.jpt.com/blog/how-long-last-peptides/
"How Long Do Peptides Last?
Understanding peptide stability: duration at room temperature, in powder, and refrigerated.**
How Long Do Peptides Last
Peptides are short chains of amino acids that play a critical role in various biological processes. They are widely used in research, therapeutics, and biotechnology. Understanding the stability and shelf life of peptides is crucial for researchers, especially when considering factors like storage conditions and peptide forms. In this article, we’ll explore the longevity of peptides under different conditions, including room temperature, in powder form, and in the fridge. We’ll also discuss best practices for storing peptides to ensure their stability and efficacy over time.
How Long Do Peptides Last at Room Temperature?
Storing peptides at room temperature is generally not recommended for long periods, but understanding the implications is essential for short-term storage and handling. At room temperature, peptides are susceptible to degradation through various pathways, including oxidation, hydrolysis, and microbial contamination.
Peptide Degradation at Room Temperature
Peptides at room temperature can experience degradation depending on their sequence, structure, and environmental exposure. For instance, peptides containing methionine, cysteine, or tryptophan residues are more prone to oxidation. Furthermore, moisture and humidity can accelerate hydrolysis, breaking down peptide bonds and leading to fragmentation. Microbial contamination is also a risk, especially in environments that aren’t sterile.
Consider a peptide designed for therapeutic research, such as a small peptide hormone. If left at room temperature for an extended period, it could lose its biological activity due to oxidation and hydrolysis, compromising the validity of experimental results.
Practical Advice
To mitigate degradation, peptides should only be kept at room temperature when absolutely necessary, such as during short-term handling or transportation. If you must store peptides at room temperature, minimize exposure to air, moisture, and light by using sealed containers with desiccants and storing them in a dark place. However, it’s crucial to transfer them to a more stable environment, such as a refrigerator or freezer, as soon as possible."
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I live in Georgia, so heat and humidity is a lifestyle.
My point was you may be definitive on your opinion, but the community is not, and to many articles (see below) say otherwise. Yes, these are not true pharmaceutical facilities which operate at higher tolerances and production controls to prevent what you assume will happen to every vial? Fine. But, I also can't assume every vial is not sealed or bad. If a few vials aren't within spec and go bad, that's a small loss compared to all of them being stored poorly and degrading anyway. If you have anything other than anecdotal statements I'd be happy to hear it, as I don't believe "I know it all", unlike your statement portends to be.https://www.jpt.com/blog/how-long-last-peptides/
"How Long Do Peptides Last?
Understanding peptide stability: duration at room temperature, in powder, and refrigerated.**
How Long Do Peptides Last
Peptides are short chains of amino acids that play a critical role in various biological processes. They are widely used in research, therapeutics, and biotechnology. Understanding the stability and shelf life of peptides is crucial for researchers, especially when considering factors like storage conditions and peptide forms. In this article, we’ll explore the longevity of peptides under different conditions, including room temperature, in powder form, and in the fridge. We’ll also discuss best practices for storing peptides to ensure their stability and efficacy over time.
How Long Do Peptides Last at Room Temperature?
Storing peptides at room temperature is generally not recommended for long periods, but understanding the implications is essential for short-term storage and handling. At room temperature, peptides are susceptible to degradation through various pathways, including oxidation, hydrolysis, and microbial contamination.
Peptide Degradation at Room Temperature
Peptides at room temperature can experience degradation depending on their sequence, structure, and environmental exposure. For instance, peptides containing methionine, cysteine, or tryptophan residues are more prone to oxidation. Furthermore, moisture and humidity can accelerate hydrolysis, breaking down peptide bonds and leading to fragmentation. Microbial contamination is also a risk, especially in environments that aren’t sterile.
Consider a peptide designed for therapeutic research, such as a small peptide hormone. If left at room temperature for an extended period, it could lose its biological activity due to oxidation and hydrolysis, compromising the validity of experimental results.
Practical Advice
To mitigate degradation, peptides should only be kept at room temperature when absolutely necessary, such as during short-term handling or transportation. If you must store peptides at room temperature, minimize exposure to air, moisture, and light by using sealed containers with desiccants and storing them in a dark place. However, it’s crucial to transfer them to a more stable environment, such as a refrigerator or freezer, as soon as possible."
@markgroce the question is whether it is reconstituted or in powder form. I used to be in the nutraceutical powder business. Hygroscopic substances absorb moisture at a high rate and break down. When you put vials in the freezer in powder form every time you open the freezer you are causing condensation. To get around this people place the vials in a sealed container with desiccant which is a good practice if you don’t open it. Once you open it you get condensation and cause degradation. So telling people about some article AI found is half the story. It’s for long term storage where you aren’t taking vials in and out of the container. It’s really not this hard. Further, the manufacturing will have the biggest impact if humidity wasn’t controlled. Clumping or splashing takes moisture which will vastly shorten shelf life.
Bottom line: the worst thing you can do is store in a container in the freezer if you are opening and closing the container frequently to take stuff in and out. You are doing the opposite of what you think. In that case you are better storing in a cool, dry, dark place without large temperature variations. Plug that into AI lol
By the way I am talking about in powder form the article you posted doesn’t distinguish liquid from powder. In liquid form Degradation starts immediately and cooler temperature slow down that process but don’t stop it
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Thanks for the insight, but I've only been referring to long and medium term storage (freezer to refrigerator in sealed containers). I have done my best to incorporate numerous layers of isolation to prevent temp swings and moisture ingress by puting vials in these containers, with desiccant packs, then placed in a foam cooler within the freezer. I only transfer from one container to the other within the freezer environment once per year. I explained this in detail already. So, I'm not sure why anyone would put reconstituted vials in a sealed container anyway. The op was only referring to long term storage, so not sure where reconstituted vials you're referring to came from. Which is why I only introduced an article about powder form peptide storage. Either way, given your experience I'm open to learning more and improving my processes, preferably without the condescension
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The best advice would be buy new and don’t long term store. Only buy what you plan on using over a 6 month period .if you decide to hoard then only store what you are not going to use over a 6 month period in a sealed container with desiccant in the freezer and only open it every 6 months. This is in powder form
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Thanks for the insight, but I've only been referring to long and medium term storage (freezer to refrigerator in sealed containers). I have done my best to incorporate numerous layers of isolation to prevent temp swings and moisture ingress by puting vials in these containers, with desiccant packs, then placed in a foam cooler within the freezer. I only transfer from one container to the other within the freezer environment once per year. I explained this in detail already. So, I'm not sure why anyone would put reconstituted vials in a sealed container anyway. The op was only referring to long term storage, so not sure where reconstituted vials you're referring to came from. Which is why I only introduced an article about powder form peptide storage. Either way, given your experience I'm open to learning more and improving my processes, preferably without the condescension
@markgroce said:
So, I'm not sure why anyone would put reconstituted vials in a sealed container anyway.
I can't speak for everyone, but I put my reconstituted in a sealed container (fridge) mainly to protect them as much as possible in case of a temperature fluctuations due to a power outage. I live in the south and hurricane season is upon us.
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@markgroce said:
So, I'm not sure why anyone would put reconstituted vials in a sealed container anyway.
I can't speak for everyone, but I put my reconstituted in a sealed container (fridge) mainly to protect them as much as possible in case of a temperature fluctuations due to a power outage. I live in the south and hurricane season is upon us.
@markgroce said:
So, I'm not sure why anyone would put reconstituted vials in a sealed container anyway.
I can't speak for everyone, but I put my reconstituted in a sealed container (fridge) mainly to protect them as much as possible in case of a temperature fluctuations due to a power outage. I live in the south and hurricane season is upon us.
I meant air sealed from humidity. Won't hurt, but reconsistuted vials are already pretty humid.
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So for us who suffer from hoarding and fomo, what's the general rule of thumb on the maximum amount to keep in a freezer?
My main stash is tirz. Low dose. I've got 7 vials from compounding in the fridge and 21 in the freezer. Overkill?So for us who suffer from hoarding and fomo, what's the general rule of thumb on the maximum amount to keep in a freezer?
My main stash is tirz. Low dose. I've got 7 vials from compounding in the fridge and 21 in the freezer. Overkill?Are they powder still? The reconstituted as received from the compounded pharmacys I've seen were good for up to 90 days at best (depending on the preservative used)? Will 7 last that long in the fridge?
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So for us who suffer from hoarding and fomo, what's the general rule of thumb on the maximum amount to keep in a freezer?
My main stash is tirz. Low dose. I've got 7 vials from compounding in the fridge and 21 in the freezer. Overkill?Are they powder still? The reconstituted as received from the compounded pharmacys I've seen were good for up to 90 days at best (depending on the preservative used)? Will 7 last that long in the fridge?
@markgroce I should have clarified. Yes, the ones in the freezer are lyophilized powder. The compounding vials in the fridge come from a pharmacy already mixed. The ones I have are from a 503B pharmacy with a 1 year best use by date (BUD). The 503A pharmacies generally have the 90 day BUD. I've read several accounts from others that have used previously unopened vials that were a year past their BUD with little or no change in efficacy. I will use these well before that time frame. You just have to check and make sure the solution is still clear with nothing floating in them. Yes it's a risk, but isn't just about all of this?
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Just tested reta I have had stored in the hydrapeaks in the freezer for 8 months. They came 99.9% purity, no trace of endotoxins. Bottom line looks like "don't freak out too much".
Anyways, I'm working on the design of a "Researcher end to end bundle of 3D printable accessories" which have all these nuances in mind.
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Okay here is my thought process, keep an extra hydropeak at room temperature. When you want to open the hydropeak that's in the freezer, have the room temperature one standing by ready and open then get the one in the freezer, pull out the inserts, pop em in the room temperature hydropeak, and pop it back into the freezer. Next time, repeat the process as the one that was in the freezer will then be room temperature.And this should avoid condensation.
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Okay here is my thought process, keep an extra hydropeak at room temperature. When you want to open the hydropeak that's in the freezer, have the room temperature one standing by ready and open then get the one in the freezer, pull out the inserts, pop em in the room temperature hydropeak, and pop it back into the freezer. Next time, repeat the process as the one that was in the freezer will then be room temperature.And this should avoid condensation.
@Americanchild
Why? -
To prevent the condensation that forms when you open your frozen hydropeak. Am I completely overthinking this? Is a little bit of condensation built up inside the hydropeak ok? It seems every time I open mine it looks like a very tiny bit of frost on the metal portion develops. I am currently adding to my supply, so i've had to open the container a couple of times.
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I keep long term in my chest freezer, in a 32oz hydrapeak with silica trays top and bottom of the 3d printed vial holders. I have another for working product in the fridge. Smaller 18oz unit with 4 3d printed vials that hold silica. When I pull from long term storage, I open both containers as close to the bottom of the freezer as possible, which avoids the temp shock and moisture issues (they don't fog up anyway). I transfer what I need and reseal everything before removing. I also keep my long term storage container in a small foam cooler to avoid temp swings during defrost cycles, that also has a few ice packs to help if needed.
@markgroce This is the way!
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Just tested reta I have had stored in the hydrapeaks in the freezer for 8 months. They came 99.9% purity, no trace of endotoxins. Bottom line looks like "don't freak out too much".
Anyways, I'm working on the design of a "Researcher end to end bundle of 3D printable accessories" which have all these nuances in mind.
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Condensation in the hydrapeak is not the major challenge; condensation in every single vial and inserts is.
@tincho I appreciate you telling me that. I was starting to worry.
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