Prediction of trapping rates in mixtures of partially absorbing spheres

Anuraag R. Kansal, Salvatore Torquato

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


The problem of diffusion among mixtures of different partially absorping traps was investigated. The choice of the problem was motivated by a variety of biological phenomena including the consumption of nutrients by cells and the study of magnetic relaxation in tissues. The trapping problem involved diffusion which took place exterior to a collection of fixed traps with reaction occuring at the surface. The overall trapping rate for systems of partially absorbing spherical traps was predicted using a simulation technique. A single, universal curve was obtained for accurate predictions of effective surface rate constants over a wide range of trap volume fractions and different trap distributions.

Original languageEnglish (US)
Pages (from-to)10589-10597
Number of pages9
JournalJournal of Chemical Physics
Issue number24
StatePublished - Jun 22 2002

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


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