From a molecular perspective, Lucentis was designed to stay in the eye and have a short half-life (two hours), while Avastin was designed to enter the circulatory system and to stick around to fight off cancer (a half-life of 20 days).
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There was an overwhelming demand (95%) for some kind of driving ban for those who drive under the influence of alcohol or drugs, with more than half favouring a life ban.
Iodine-131, with a half-life of only 8 days, decayed away in a few months following the accident and no one was found to have ingested any significant amount.
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Knox has spent the last year and a half trying to resume a normal life, studying at the University of Washington in Seattle, her hometown.
The main problem here lies on scientists have placed 50% remaining rule on each half life and that half life is meant to be a very long years.
But cesium-134, which has a half-life of only two years, clearly came from the meltdowns, the researchers say.
Those hot stocks turned out to have a half-life not much longer than iodine-131's.
This isotope, with a half-life of 2.6 million years, is not made in significant quantities by any process on Earth, but is expelled by supernovae.
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Some of the most provocative Super Bowl advertising this year was for movies that you can't even buy yet, you will have forgotten by the time you can (if not already), will have a half-life of only weeks or months and will not be commercial successes.
In the luckier half of the continent, history has a much shorter half-life.
In short, they will have a threat-driven operational service life half that of a normal combatant ship.
Whatever difficulties the Dreamliner may encounter over a service life expected to span half a century, batteries are likely to be the least of its problems.
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The 15-time grand slam winner added that, having returned to the pinnacle after two and a half years during which her life and career were threatened following a freak foot injury in 2010, being No. 1 is no longer her primary goal.
She would have been middle aged before she was released, having spent more than half her life in a foreign prison.
And I think we would find, if we measured it, that the half life of a technology company is shorter than that.
The motivation: For the most part, financial security in the second half of life and a bridge to tapping into Social Security.
Cesium-137 has a radioactive half-life of about 30 years, and traces of the isotope still persist from above-ground nuclear bomb tests in the 1950s and '60s.
The 34-year-old who has spent half his life in a Lakers uniform realizes everybody will wonder if his career will ever be the same.
Dioxin, which is fat soluble, has a "half-life" of seven years in the body: It takes that long to break down half the quantity of the compound.
The half-life of a specialty is short, continually disintegrating into subspecialties, and sub-subspecialties, to the point where some doctors devote their whole career to one variant of one illness.
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More than half a century into its life as a resort, and now part of the Rosewood portfolio, the 170-acre property retains the natural appeal that likely drew Laurence Rockefeller to it on a sailing trip in the 1950s.
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Like most other psychiatrists, I dislike Xanax for this reason and will often try to switch long-term Xanax users to one of the other benzodiazepines that has a longer half-life and less liability for producing patterns of rising and falling anxiety across the day.
That security is why people on a fixed income rather put their savings in US government bonds and get 3%, instead of putting half their life savings into a bond like the 10 month old, higher yielding, Oppenheimer Emerging Markets (OEMAX) mutual fund.
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Brooke was diagnosed with cerebral palsy aged two-and-a-half and has spent most of her life in a wheelchair.
Because a determinate prisoner is released at the half way point in his sentence, a life sentence with a minimum term is the equivalent of a determinate sentence of double that length.
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Quins fly-half Adrian Jarvis hit the crossbar from 30 metres soon after and the home side injected a bit of life into the game when England scrum-half Shaun Perry made a 25m jinking run.
There are plot twists and genuinely dramatic moments that made me think back to Half-Life 2 for a comparable experience.
It has a very short half-life, which in practical terms means that it goes in and out of the body very quickly.
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