Table of permselectivity for different substances
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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] |
|---|---|---|---|
| sodium | 23 | 0.1 | 1.0 |
| potassium | 39 | 0.14 | 1.0 |
| chloride | 35.5 | 0.18 | 1.0 |
| water | 18 | 0.15 | 1.0 |
| urea | 60 | 0.16 | 1.0 |
| glucose | 180 | 0.33 | 1.0 |
| sucrose | 342 | 0.44 | 1.0 |
| polyethylene glycol | 1,000 | 0.70 | 1.0 |
| inulin | 5,200 | 1.48 | 0.98 |
| lysozyme | 14,600 | 1.90 | 0.8 |
| myoglobin | 16,900 | 1.88 | 0.75 |
| lactoglobulin | 36,000 | 2.16 | 0.4 |
| egg albumin | 43,500 | 2.80 | 0.22 |
| Bence Jones protein | 44,000 | 2.77 | 1.0 |
| hemoglobin | 68,000 | 3.25 | 0.03 |
| serum albumin | 69,000 | 3.55 | <0.01 |
References
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