PeptideStack
5.2kquestions
20kanswers
220users

reconstitution

Page 9 of 14 · 330 questions tagged reconstitution.

330 questions · sorted by votes · page 9 of 14

16 votes 4 answers8.4k views
Is 10 mg/mL a sensible working concentration for mazdutide, or should I go lower?

Stated plainly: 10 mg/mL · mazdutide. Both of these get recommended confidently by different people, which suggests neither is obviously right. My constraints are…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by jo_vandeberg 19k · 11 months ago
16 votes5 answers8.1k views
How many units on a 1 mL luer-lock syringe is a 20 mg dose at 20 mg/mL?

For reference: a 1 mL luer-lock syringe · 20 mg · 20 mg/mL. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
asked by lukas_sedlacek 17k · 6 months ago
16 votes0 answers6.6k views
Is 10 mg in 0.5 mL of 0.9% sodium chloride a sensible presentation for mazdutide?

The case in front of me: 10 mg · 0.5 mL · 0.9% sodium chloride · mazdutide. The failure mode I am trying to avoid is making this decision emotionally. I have twelve…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by otto_brenner 19k · 14 months ago
16 votes 5 answers6.1k views
How many units on a U-40 insulin syringe is a 15 mg dose at 2.5 mg/mL?

Stated plainly: a U-40 insulin syringe · 15 mg · 2.5 mg/mL. I have worked this out and I would like someone to find the error, because I suspect there is one. My…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
asked by void_volume 13k · 14 days ago
16 votes0 answers5.1k views
How many units on a 1 mL luer-lock syringe is a 20 mg dose at 5 mg/mL?

The particulars: a 1 mL luer-lock syringe · 20 mg · 5 mg/mL. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
asked by imani_dube 19k · 3 months ago
16 votes0 answers4.6k views
Is 1 mg/mL a sensible working concentration for a GLP-1 receptor agonist, or should I go lower?

Setup, so nobody has to ask: 1 mg/mL · a GLP-1 receptor agonist. Both of these get recommended confidently by different people, which suggests neither is obviously…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by fib4_reader 35k · 4 months ago
16 votes0 answers4.6k views
Is 1 mg/mL a sensible working concentration for liraglutide, or should I go lower?

The case in front of me: 1 mg/mL · liraglutide. I would like the axes of comparison first and the recommendation second. I have tried the first option and it works;…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by hana_petrikova 19k · 16 months ago
16 votes 4 answers3.1k views
Is 5 mg in 5 mL of bacteriostatic water a sensible presentation for oral semaglutide?

Setup, so nobody has to ask: 5 mg · 5 mL · bacteriostatic water · oral semaglutide. I would like to set this up properly once, rather than adjust it repeatedly. My…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by tabular_nums 47k · 2 months ago
15 votes5 answers21k views
How many units on a low-dead-space syringe is a 2 mg dose at 10 mg/mL?

Conditions: a low-dead-space syringe · 2 mg · 10 mg/mL. Please show the division. I want to check my own against yours. I would like the general form as well as the…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
asked by rosa_mendieta 13k · 22 months ago
15 votes 5 answers20k views
Is 10 mg in 1.5 mL of 0.9% sodium chloride a sensible presentation for cagrilintide?

Conditions: 10 mg · 1.5 mL · 0.9% sodium chloride · cagrilintide. I want to decide this in advance so that I am not deciding it under pressure later. Assume I will…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by kofi_mensah 12k · 23 months ago
15 votes 2 answers13k views
How many units on a U-40 insulin syringe is a 30 mg dose at 2.5 mg/mL?

Conditions: a U-40 insulin syringe · 30 mg · 2.5 mg/mL. I want the working, not the result — I need to be able to redo it with different numbers. I care about the…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
asked by shear_at_the_front 15k · 8 months ago
15 votes 5 answers12k views
How many units on a U-40 insulin syringe is a 8 mg dose at 2.5 mg/mL?

Conditions: a U-40 insulin syringe · 8 mg · 2.5 mg/mL. I want the working, not the result — I need to be able to redo it with different numbers. I care about the…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
asked by rukhsana_iqbal 14k · 22 months ago
15 votes5 answers11k views
How many units on a 1 mL luer-lock syringe is a 40 mg dose at 8 mg/mL?

Details up front: a 1 mL luer-lock syringe · 40 mg · 8 mg/mL. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to lay…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
asked by Dr_Elias_Weiss 46k · 15 months ago
15 votes0 answers6.9k views
What is the arithmetic to convert 4 mg in 2.5 mL into units on a U-100 scale?

The specifics, since they change the answer: 4 mg · 2.5 mL. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
asked by cake_collapsed 13k · 15 months ago
15 votes 4 answers6.8k views
Does reconstituting a GLP-1 receptor agonist with 0.9% sodium chloride change anything I should know about?

What I have: a GLP-1 receptor agonist · 0.9% sodium chloride. I suspect the usual explanation for this is wrong, or at least incomplete. I am aware this may have a…

reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
peptide-stability
peptide-stability

The chemistry of peptide degradation: deamidation, oxidation, hydrolysis, aggregation and fibrillation, and how temperature, pH, ionic strength,…

832 questions
asked by helena_vidmar 18k · 2 months ago
15 votes5 answers6.7k views
Is 6.67 mg/mL a sensible working concentration for oral semaglutide, or should I go lower?

The case in front of me: 6.67 mg/mL · oral semaglutide. These are treated as interchangeable and I do not think they are. If both are acceptable I would like to know…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by kelvin_lam 11k · 40 days ago
15 votes 3 answers6k views
If I reconstitute a 30 mg vial with 3 mL of sterile water for injection, what concentration do I end up with?

What I have: 30 mg · 3 mL · sterile water for injection. This should be a straightforward calculation and I keep getting two different answers. The numbers are…

reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by ivo_paunovic 15k · 11 months ago
15 votes 2 answers5.1k views
How many units on a 1 mL luer-lock syringe is a 40 mg dose at 3.33 mg/mL?

What I have: a 1 mL luer-lock syringe · 40 mg · 3.33 mg/mL. This should be a straightforward calculation and I keep getting two different answers. The numbers are…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
asked by dermot_kiely 14k · 5 months ago
15 votes0 answers3.9k views
If I reconstitute a 20 mg vial with 0.5 mL of bacteriostatic water, what concentration do I end up with?

What I am working with: 20 mg · 0.5 mL · bacteriostatic water. I have worked this out and I would like someone to find the error, because I suspect there is one. My…

reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by ruaidhri_o_shea 51k · 10 months ago
14 votes 5 answers35k views
What is the arithmetic to convert 8 mg in 1.5 mL into units on a U-100 scale?

Numbers first: 8 mg · 1.5 mL. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to lay this out, I would rather learn…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
asked by stopper_core 50k · 2.4 years ago
14 votes 5 answers34k views
Is 8 mg/mL a sensible working concentration for orforglipron, or should I go lower?

What I have: 8 mg/mL · orforglipron. I have used one of these for a while and I am considering switching, which requires a reason. What I care about is…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by micron22 36k · 2.1 years ago
14 votes4 answers24k views
If I reconstitute a 30 mg vial with 0.5 mL of sterile water for injection, what concentration do I end up with?

What I have: 30 mg · 0.5 mL · sterile water for injection. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to lay…

reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by a_lindgren 46k · 22 months ago
14 votes 5 answers19k views
What is the arithmetic to convert 4 mg in 1 mL into units on a U-100 scale?

For reference: 4 mg · 1 mL. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers that differ by a factor of ten,…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
asked by klara_novotna 16k · 23 months ago
14 votes5 answers17k views
Is 20 mg in 2.5 mL of bacteriostatic water a sensible presentation for oral semaglutide?

Setup, so nobody has to ask: 20 mg · 2.5 mL · bacteriostatic water · oral semaglutide. I would like to set this up properly once, rather than adjust it repeatedly. My…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by retest_please 13k · 10 months ago