Table of permselectivity for different substances

This is a table of permselectivity for different substances in the glomerulus of the kidney in renal filtration.

Substance Approximate molecular mass (g/mol)[1] Effective molecular radius (nm)[1] conc. in ultrafiltrate /
conc. in blood plasma[1]
sodium230.11.0
potassium390.141.0
chloride35.50.181.0
water180.151.0
urea600.161.0
glucose1800.331.0
sucrose3420.441.0
polyethylene glycol1,0000.701.0
inulin5,2001.480.98
lysozyme14,6001.900.8
myoglobin16,9001.880.75
lactoglobulin36,0002.160.4
egg albumin43,5002.800.22
Bence Jones protein44,0002.771.0
hemoglobin68,0003.250.03
serum albumin69,0003.55<0.01

References

  1. Walter F. Boron, Emile L. Boulpaep. Medical Physiology: A Cellular And Molecular Approach. Elsevier/Saunders. ISBN 1-4160-2328-3. Page 761
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