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half-life
(redirected from biological half-life)

    Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
Half-life
The point in the life of a mortgage-backed security guaranteed or issued by the Government National Mortgage Association, the Federal National Mortgage Association or the Federal Home Loan Mortgage Corporation when half the principal has been repaid.
half-life
The length of time before half the principal on a debt is expected to be repaid through amortization or sinking fund payments. For example, a 25-year bond issue may require the issuer to retire 5% of the beginning principal commencing 5 years after the issue date. Thus, the bond issue has a half-life of 5 years plus the number of years required to retire half the issue, or 15 years. Mortgage-backed securities often have a relatively short half-life because many homeowners pay off or refinance their mortgages early. Also called average life.


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This technology is designed to improve the stability, biological half-life and immunologic characteristics of therapeutic proteins naturally.
LIPOXEN SIGNS $75MIL PACT TO DEVELOP BLOOD CLOTTING FACTORS by Worldwide Biotech
One of the earliest toxicokinetics studies reported that Pb, once absorbed into the blood compartment, has a mean biological half-life of about 40 days in adult males (Rabinowitz et al.
A critical review of biomarkers used for monitoring human exposure to ... by Parsons, Patrick J. / Environmental Health Perspectives
by pulmonary delivery, and to predictably extend the biological half-life of SCAs by PEGylation, further expands the clinical utility of SCA products beyond the range of monoclonal antibodies.
Enzon and Micromet Announce Strategic Collaboration for Novel ... by Business Wire
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