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Development of Compartmental Concepts

  • Aldo Rescigno
  • Ajit K. Thakur
Part of the NATO ASI Series book series (NSSA, volume 145)

Abstract

The first compartmental models were used in Physics for the description of radioactive decay. After Becquerel (1896) discovered the radioactivity, Rutherford and Soddy (1902) found experimentally that Thorium X decays in time according to an exponential law, i.e. that the number of radioactive atoms decaying per unit time is proportional to the number of radioactive atoms present. If X(t0) and X(t) are the quantities of radioactive substance present at time to and t respectively, the law of radioactive decay is
$${\rm{dX/dt}}\,{\rm{ = }}\,{\rm{ - }}\,{\rm{K}}{\rm{.X,}}$$
(1)
whose integral is
$${\rm{X(t)}}\,{\rm{ = }}\,{\rm{X(}}{{\rm{t}}_{\rm{o}}}{\rm{)}}{\rm{.exp( - K(t - }}{{\rm{t}}_{\rm{o}}}{\rm{))}}{\rm{.}}$$

Keywords

Compartmental Model Radioactive Decay Liver Lipid Radioactive Substance Compartmental Analysis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1988

Authors and Affiliations

  • Aldo Rescigno
    • 1
  • Ajit K. Thakur
    • 2
  1. 1.Section of NeurosurgeryYale University School of MedicineNew HavenUSA
  2. 2.Biostatistics DepartmentHazelton Laboratories America, Inc.ViennaUSA

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