Web Results

Half-life

en.wikipedia.org/wiki/Half-life

Half-life (abbreviated t1⁄2) is the time required for a quantity to reduce to half its initial value. ... Rutherford's discovery of the principle in 1907, was shortened to half-life in ......

radioactivity - Changing the Half-Life of Radioactive Substances ...

physics.stackexchange.com/questions/30308/changing-the-half-life-of-radioactive-substances

Jun 18, 2012 ... The simple answer is no, we can't change the half life. ... Short answer: yes, the decay rates could be changed considerably by environment.

Decay & Half Life Plexus-NSD - IEM Inc

www.iem-inc.com/information/radioactivity-basics/decay-half-life

The primary intent is to demonstrate how the half-life of a radionuclide can be used in .... These radionuclides with short (or relatively short) half-lives decay on a ...

Half-Life

www.avogadro.co.uk/brief_topics/half-life.htm

When will this particular atom undergo radioactive decay? ... The half-life is a direct measure of the stability of an isotope: the shorter the half-life, the faster is the ...

Half-life | Define Half-life at Dictionary.com

www.dictionary.com/browse/half-life

Half-life definition, Physics. the time required for one half the atoms of a given ... The half-life of a piece of technology these days is very short. ... By taking such an attitude to the past we should only fall into the half-will and half-life common to ...

Protein binding and half-life

www.pharmpk.com/PK01/PK2001246.html

Apr 18, 2001 ... distribution, the half-life can be short. Moreover, if the drug has high extraction ratio and therefore high clearance, protein binding will

HALF LIFE OF mRNA

www.tiem.utk.edu/~gross/bioed/webmodules/mRNA.htm

Importance: Measuring the half-life of mRNA is difficult to determine experimentally because it is so short lived. However, knowledge of the half-life of mRNA can ...

Side Effects and Therapeutic Effects - Medscape

www.medscape.com/viewarticle/448250_3

Thus, medications with short half-lives reach steady state relatively quickly, ... When the drug reaches steady state, these effects can be either attenuated or ...

The Half Life of Caffeine - Caffeine Informer

www.caffeineinformer.com/the-half-life-of-caffeine

In conclusion, the half life of caffeine might be around 6 hours, but can be influenced by other factors. Caffeine is a drug and should be used with discretion as ...

Drug Half-Life, Steady State, and ... - Quest Diagnostics

www.questdiagnostics.com/testcenter/testguide.action?dc=WP_DrugHalfLife

This test guide provides the drug half-life and time to steady state for many ... a fixed dose is administered at regular intervals, a drug will accumulate in the body during ..... Influence of pharmacogenetics on indinavir disposition and short-term  ...

More Info

Half-life - Drugs Forum

drugs-forum.com

The shorter the half-life of a drug, the quicker it is eliminated. The half life of a drug can be influenced by many individual factors, such as metabolic, and genetic.

Drug Half-Life Explained - Drugsdb.com

www.drugsdb.com

Aug 14, 2012 ... Since addiction results from the need to take more medication to keep the effect going, the short half-life can lead to undesirable problems.

Pharmacokinetics: Pharmacology Introduction: Merck Veterinary ...

www.merckvetmanual.com

Additional parameters include the distribution rate constant and half-life and, if the ... The result will be a decline in plasma drug concentrations that can be "fitted " by .... For drugs with a short half-life, intervals are more appropriately prolonged  ...