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Arterial input function (AIF), also known as a plasma input function, refers to the concentration of tracer in blood-plasma in an artery measured over time. The oldest record on PubMed shows that AIF was used by Harvey et al. [1] in 1962 to measure the exchange of materials between red blood cells and blood plasma, and by other researchers in 1983 for positron emission tomography (PET) studies.
Apoptosis Inducing Factor (AIF) is a protein that triggers chromatin condensation and DNA fragmentation in a cell in order to induce programmed cell death. The mitochondrial AIF protein was found to be a caspase-independent death effector that can allow independent nuclei to undergo apoptotic changes.
The First Australian Imperial Force (1st AIF) was the main expeditionary force of the Australian Army during the First World War.It was formed as the Australian Imperial Force (AIF) following Britain's declaration of war on Germany on 15 August 1914, with an initial strength of one infantry division and one light horse brigade.
During this time the AIF underwent a period of reorganisation while its future employment on operations was decided. [5] A number of units from the 1st Division were split up and used to provide cadre staff for newly formed battalions, however, the 21st Battalion, like the rest of those from the 2nd Division remained intact.
A British 1 shilling embossed stamp, typical of the type included in an investment portfolio of stamps. An alternative investment, also known as an alternative asset or alternative investment fund (AIF), [1] is an investment in any asset class excluding capital stocks, bonds, and cash.
The Argument Interchange Format (AIF) is an international effort to develop a representational mechanism for exchanging argument resources between research groups, tools, and domains using a semantically rich language. AIF traces its history back to a 2005 colloquium in Budapest.
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The Australian Army was the largest service in the Australian military during World War I. The First Australian Imperial Force (AIF) was the Army's main expeditionary force and was formed from 15 August 1914 with an initial strength of 20,000 men, following Britain's declaration of war on Germany.