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Table 3 Bath and pipette solutions (mM)

From: Sodium selectivity of Reissner's membrane epithelial cells

 

Bath

Pipette

Solution

NaCl-rich

Na-rich

K-rich

Li-rich

NMDG-rich

KCl-rich

Na-rich

K-rich

NMDG+Na

 

B1

B2

B3

B4

B5

P1

P2

P3

P4

NaCl

150

    

10

   

KCl

4

    

140

   

MgCl2

1

    

1

   

CaCl2

0.7

    

0.273

   

glucose

5

5

5

5

5

    

HEPES

10

10

10

10

10

10

10

10

10

EGTA

     

1

1

1

1

Na-ms*

 

150

    

150

 

15

K-ms*

  

150

    

150

 

Li-ms*

   

150

     

NMDG-ms*

    

150

   

135

Ca-gluconate

 

0.7

0.7

0.7

0.7

 

0.367

0.367

0.367

MgSO4

 

1

1

1

1

 

1

1

1

adjusted by

NaOH

NaOH

KOH

LiOH

NMDG

KOH

NaOH

KOH

NMDG

pH

7.4

7.4

7.4

7.4

7.4

7.2

7.3

7.3

7.3

  1. *ms: Methanesulfonate