External Solutions

  Cutting Holding Recording
Sucrose 200    
NaCl   125 125
KCl 2.5 2.5 3
NaH2PO4 1.25 1.25 1.25
NaHCO3 25 25 25
CaCl2 0.5 2 2
MgCl2 7 2 1
D-Glucose 10 10 10

  Plasma CSF ISF Reference
K+ 3.8 3.1 3.2 HC Jones (1987)
Total Ca2+ 2.5 1.4   HC Jones (1988)
Ionic Ca2+ 1.3 1.1 1.2
Mg2+        

CSF

Ca2+K+Mg2+GlucoseSampleReference
1.0~1.23.0   Rat cerebellemNicholson C (1977)
~1.0~3.0   Rat hippocampusSomjen G (1985)
 Plasma=3.8; CSF=3.1; ISF=3.2  RatJohes HC (1987)
(iCa) Plasma=1.3; CSF=1.1; ISF=1.2
(Total) Plasma=2.5; CSF=1.4
   Rat Jones HC (1988)
 Cortex=3.35; CSF=3.13  RatMoghaddam B (1987)
Extracellular Fluid=1.2    Rat StriatumMoghaddam B (1989)
1.063.2   RatZhang ET (1990)
0.724.30.41.26Rat McNay (2004)
  Plasma=0.70; CSF=0.94 RatAlloui (2003)
  CSF=0.81; Plasma=0.97 Guinea PigScheibe F (1999)
  (Ionized) Plasma=0.58; CSF=0.82 HumanBrewer (2001)
Ionized
(<=11 month) CSF=1.16
(>=12 month) CSF=1.01
Average=1.07
 (Ionized) CSF=0.95 HumanMiyamoto (2004)
(iCa) CSF=1.02; serum=1.17  (iMg) serum=0.58; CSF=1.08
(Total) serum=0.84; CSF=1.13
 HumanApostol (2009)