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SBIG: Channels# Biology - 生物学
d*r
1
Now comes the problem how an ion actually pass through the channel.
We know the membrane is a barrier against ions. Let's quote space's idea:
"consider a plane interface formed by two semi-infinite mediums with
different dielectrics(e1, e2). A charge "q" in medium "e1" at position
z=z1(let's define z-direction as the normal direction toward medium "e1" from
the
intereface) induces a charge distribution on the interface and it feels a
force by the field
generated by the charges on the inter
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