immunization

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Immunization

The construction of an asset and a liability match that benefits from offsetting changes in value.

Price Immunization

A strategy of matching assets to future liabilities. That is, price immunization involves investing in certain securities with a certain expected return so that the investor will be able to pay for future liabilities. Pension funds and annuities use price immunization more than many investors because they have future liabilities that are both large and relatively easy to estimate. Portfolios that practice price immunization usually invest in low-risk, investment-grade securities. See also: Portfolio dedication.

immunization

A technique of investing in bonds such that the portfolio's target return is protected against interest rate fluctuations. Changes in returns at which cash flows can be reinvested are offset by changes in the value of the securities in the portfolio. See also bullet immunization.
References in periodicals archive ?
Once the immune cells are in the bloodstream they use other molecules called "intercellular adhesion molecules," or ICAMs, to help them exit and enter the brain or spinal cord.
Genes responsible for launching an immune attack, turning on inflammation, and triggering cell suicide were extremely active in mice infected with the reconstructed 1918 flu.
The adjuvant also leads to the release of a chemical signal inside these cells to trigger greatly enhanced immune responses.
The immune system includes many different mechanisms: it should not be thought of as just more or less (as the phrase "boosting" the immune system wrongly implies).
In-depth understanding of innate immune responses to protozoa is important because their genomic complexity affords them a greater variety of immune evasion mechanisms than those displayed by prokatyotes.
He is research and technical consultant to Immune Recovery Clinic in Atlanta, Georgia.
But don't be fooled: the virus is under tremendous selective pressure from the immune system and is trying (and largely succeeding) to stay at least a step ahead of neutralizing antibodies and CD8 T cells (and probably other aspects of the immune response).
Yet for reasons that are not clear, a small proportion of senior citizens retain a very vigorous immune response.
One potential problem: Getty's immune system might recognize the transplanted baboon cells as "invaders" and try to attack them.
of R&D at Pluristem states: "Our PLX-I cells possess immune privileged characteristics that can be used in the future for other applications involving transplantations.
Patrolling T cells, foot soldiers in the immune system's constant war against the viruses and bacteria that cause disease, are alerted by exposure to some environmental trigger.
For example, studies in rodents and a few people in the 1980s and 1990s suggested that insulin, given before diabetes developed, might desensitize the immune system to the hormone and the beta cells that make it--and thus protect the pancreas.