Preposition: of

• hour: LAAM has a half-life of 72 hours and can be used three times a week.

• drug: There is wide variability in the half-life of the drug.

• minute: Esmolol is a very short acting agent with an average half-life of 9 minutes in adults.

• year: A half-life of 6.5 years has been reported for seed survival in soil.

• levodopa: The short half-life of levodopa ( 1.5 hrs ) is implicated in the development of disabling dyskinesias.

• caffeine: CAFFEINE Taken during pregnancy, it appears that the half-life of caffeine is prolonged.

Converse of object

• have: Seed in soil has a half-life of 3 months.

• increase: Increasing the half-life of Cytotec would overcome this problem.

Adjective modifier

• prolonged: Results show that CAT-192 appears well tolerated, with a prolonged half-life of around 40 days in healthy volunteers.

• terminal: The terminal plasma half-life in these patients was 3.8 hours.

• apparent: The range of observed apparent half-lives is broad, the apparent terminal half-life is generally in the range of 10 - 72 hours.

• short: Owing to its short half-life, its presence in the human body cannot be measured directly.

• biological: The time taken to reduce the concentration of a substance in the body to 50 % is known as its biological half-life.

• long: To achieve a longer half-life various techniques may be adopted.

Modifies a noun

• mod: Gecko 17-09-2005, 21:39 Both half-life mods i work for are opengl specific.

• texture: This map proved to be somewhat strange, considering that it is entirely made up of half-life textures.

Noun used with modifier

• elimination: The elimination half-life varies from about 1 to 4 hours.

• plasma: The terminal plasma half-life in these patients was 3.8 hours.

• serum: The serum half-life is estimated to be about 6 hours.

• terminal: In patients with chronic renal failure the mean terminal half-life was found to be 19.5 hours.