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2 - Facoltà di Medicina e Chirurgia

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DIFFUSIONE ATTRAVERSO MEMBRANE<br />

legame fra D e D M<br />

formula <strong>di</strong> Einstein-Stokes D =<br />

A - area efficace poro <strong>di</strong> raggio R<br />

r<br />

apertura<br />

circolare<br />

del poro<br />

π (R – r) 2 =<br />

D. SCANNICCHIO 2007<br />

R<br />

R–r<br />

parete della membrana<br />

π R2 (1 – ) 2 = π R2 r<br />

ε<br />

R<br />

1<br />

ε 1<br />

k T<br />

6 π η r<br />

r<br />

= (1 – )2<br />

R<br />

18

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