Inside vs Outside of cell

Baker

Active member
I meant more like 'Is the inside the base marker?'

So like if it was

Outside: 110mV

Inside: 15mV

Would the voltage be 125mV?
 

Booth

Active member
Yes, so like I remembered, it is way more complicated because it is calculated via Nernst's equation.
 

Baker

Active member
The Nernst's equation will only give the VEQ of a particular ion at one time though. Because not all systems tend towards equilibrium, but then again, it is never just a single ion in isolation.
 

Booth

Active member
I wish I could be of more help. This has been a long time for me. I just remember the basics.
 

Baker

Active member
No worries! I finally found the summary of it.

So, essentially, VDF = V ion concentration. Also, VDF = V Equilibrium.

The cell wants to return to its equilibrium for a positive ion, because normally, the outside of a cell is more positive. A positive VDF is the ion moving out, and a negative VDF is the ion moving in and vice versa for the negative ion.
 
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