Reports

Novel Filter for Biological Materials

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Science  17 Jan 1964:
Vol. 143, Issue 3603, pp. 249-250
DOI: 10.1126/science.143.3603.249

Abstract

Thin plastic sieves with precisely controlled hole size and density can be made by irradiating plastic films with fission fragments and etching out the material traversed by the fragments. These filters may be used for the nondestructive separation of cells of closely similar sizes.