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reconstitution

Page 11 of 14 · 330 questions tagged reconstitution.

330 questions · sorted by votes · page 11 of 14

11 votes 5 answers9.3k views
What is the arithmetic to convert 40 mg in 0.5 mL into units on a U-100 scale?

Concretely: 40 mg · 0.5 mL. Please show the division. I want to check my own against yours. I would like the general form as well as the specific number, so I can…

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 fibre_or_fragment 12k · 5 months ago
11 votes5 answers7.2k views
Is 60 mg in 0.5 mL of bacteriostatic water a sensible presentation for tirzepatide?

Setup, so nobody has to ask: 60 mg · 0.5 mL · bacteriostatic water · tirzepatide. I am trying to build something sustainable rather than something thorough that I…

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 coldbox9 13k · 34 days ago
11 votes0 answers5k views
If I reconstitute a 40 mg vial with 2 mL of 0.9% sodium chloride, what concentration do I end up with?

The case in front of me: 40 mg · 2 mL · 0.9% sodium chloride. I want the working, not the result — I need to be able to redo it with different numbers. I care about…

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 teodora_ilic 15k · 8 months ago
11 votes0 answers4.9k views
How many units on a U-100 insulin syringe is a 60 mg dose at 8 mg/mL?

For reference: a U-100 insulin syringe · 60 mg · 8 mg/mL. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers that…

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 cal_hennessy 14k · 9 months ago
11 votes 5 answers4.3k views
Is 2.5 mg/mL a sensible working concentration for oral semaglutide, or should I go lower?

The case in front of me: 2.5 mg/mL · oral semaglutide. I would like the axes of comparison first and the recommendation second. I have tried the first option and it…

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 olu_babatunde 14k · 4 months ago
11 votes 5 answers3.4k views
Is 2.5 mg in 0.5 mL of 0.9% sodium chloride a sensible presentation for a GLP-1 receptor agonist?

Conditions: 2.5 mg · 0.5 mL · 0.9% sodium chloride · a GLP-1 receptor agonist. I want to decide this in advance so that I am not deciding it under pressure later.…

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 colm_dunphy 16k · 4 months ago
11 votes0 answers3.1k views
What is the correct way to add diluent so it runs down the vial wall?

I keep a written log of every draw with date, volume and syringe type. I would like to understand the steps well enough to explain them to someone else. I have access…

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
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
lyophilisation
lyophilisation

Freeze-drying: primary and secondary drying, collapse temperature, the role of bulking agents and cryoprotectants such as mannitol and trehalose,…

17 questions
asked by Dr_Nadia_Farsi 90k · 6 months ago
11 votes5 answers2.8k views
Should I be worried about a faint haze that does not settle?

I keep a written log of every draw with date, volume and syringe type. Before I write this off, I want to check whether it is a known failure mode. I have the lot…

vial-inspection
vial-inspection

What you can learn by looking: cake morphology, meniscus films, fibres versus stopper fragments versus true particulates, clarity after…

66 questions
peptide-stability
peptide-stability

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

832 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 gunnar_isaksen 16k · 31 days ago
11 votes 5 answers2.5k views
What is the arithmetic to convert 10 mg in 1.5 mL into units on a U-100 scale?

The case in front of me: 10 mg · 1.5 mL. Please show the division. I want to check my own against yours. I would like the general form as well as the specific number,…

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 gradient_slope 41k · 44 days ago
10 votes5 answers10k views
How many units on a 1 mL luer-lock syringe is a 40 mg dose at 20 mg/mL?

Details up front: a 1 mL luer-lock syringe · 40 mg · 20 mg/mL. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to…

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 nkem_obiora 46k · 13 months ago
10 votes 5 answers9.6k views
Is 2 mg in 0.5 mL of sterile water for injection a sensible presentation for semaglutide?

Numbers first: 2 mg · 0.5 mL · sterile water for injection · semaglutide. This is a planning question. I know what my options are; I do not know how to weigh them.…

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 pieter_maas 22k · 12 months ago
10 votes 5 answers6.8k views
Is 10 mg in 1 mL of 0.9% sodium chloride a sensible presentation for a GLP-1 receptor agonist?

Concretely: 10 mg · 1 mL · 0.9% sodium chloride · a GLP-1 receptor agonist. I want to decide this in advance so that I am not deciding it under pressure later. Assume…

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 label_claim 11k · 9 months ago
10 votes5 answers6.4k views
If I reconstitute a 50 mg vial with 1.5 mL of phosphate-buffered diluent, what concentration do I end up with?

For reference: 50 mg · 1.5 mL · phosphate-buffered diluent. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an…

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 birk_nordahl 20k · 7 months ago
10 votes5 answers6.2k views
What is the arithmetic to convert 5 mg in 5 mL into units on a U-100 scale?

Stated plainly: 5 mg · 5 mL. The units are where I keep going wrong, so please be explicit about them. I have sanity-checked the order of magnitude and it seems…

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 teodora_ilic 15k · 11 months ago
10 votes0 answers5.9k views
What is the arithmetic to convert 15 mg in 0.5 mL into units on a U-100 scale?

The particulars: 15 mg · 0.5 mL. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers that differ by a factor of…

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 pip_okonjo 11k · 7 months ago
10 votes0 answers4.5k views
Is 10 mg in 2.5 mL of 0.9% sodium chloride a sensible presentation for mazdutide?

The case in front of me: 10 mg · 2.5 mL · 0.9% sodium chloride · mazdutide. I want to decide this in advance so that I am not deciding it under pressure later. Assume…

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 Dr_Ilse_Vandenberg 78k · 4 months ago
10 votes 5 answers4.2k views
If I reconstitute a 30 mg vial with 5 mL of sterile water for injection, what concentration do I end up with?

Details up front: 30 mg · 5 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 Dr_Malik_Osei 37k · 8 months ago
10 votes 5 answers3.6k views
Is 30 mg in 1 mL of sterile water for injection a sensible presentation for semaglutide?

What I have: 30 mg · 1 mL · sterile water for injection · semaglutide. This is a planning question. I know what my options are; I do not know how to weigh them. What…

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 rania_haddad 17k · 4 months ago
9 votes5 answers20k views
If I reconstitute a 15 mg vial with 1 mL of phosphate-buffered diluent, what concentration do I end up with?

The particulars: 15 mg · 1 mL · phosphate-buffered diluent. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an…

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 nynke_dekker 18k · 2.2 years ago
9 votes 5 answers15k views
Is 50 mg in 0.5 mL of phosphate-buffered diluent a sensible presentation for dulaglutide?

The particulars: 50 mg · 0.5 mL · phosphate-buffered diluent · dulaglutide. I would like to define my thresholds before I have a result, for obvious reasons. I want a…

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 Dr_Aoife_Brennan 50k · 2.1 years ago
9 votes 5 answers11k views
If I reconstitute a 15 mg vial with 3 mL of phosphate-buffered diluent, what concentration do I end up with?

The specifics, since they change the answer: 15 mg · 3 mL · phosphate-buffered diluent. I would like the arithmetic checked rather than the conclusion asserted. I…

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 forty_units 14k · 5 months ago
9 votes 5 answers8.2k views
If I reconstitute a 60 mg vial with 0.5 mL of bacteriostatic water, what concentration do I end up with?

What I am working with: 60 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 colm_dunphy 16k · 3 months ago
9 votes0 answers4.6k views
If I reconstitute a 20 mg vial with 1.5 mL of bacteriostatic water, what concentration do I end up with?

What I am working with: 20 mg · 1.5 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 priya_menon 11k · 7 months ago
9 votes 2 answers2k views
If I reconstitute a 20 mg vial with 2 mL of bacteriostatic water, what concentration do I end up with?

Setup, so nobody has to ask: 20 mg · 2 mL · bacteriostatic water. I have worked this out and I would like someone to find the error, because I suspect there is one.…

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 day_seven_trough 11k · 3 months ago