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. Author manuscript; available in PMC: 2023 Aug 21.
Published in final edited form as: Acta Biomater. 2022 Aug 11;151:278–289. doi: 10.1016/j.actbio.2022.08.010

Table 1.

Primary constituents of synovial fluid and cartilage matrix, their concentrations, and resulting net negative fixed charge density (FCD) y DMMB assay.

Synovial fluid constituents Concentration (mg/ml) FCD (mM)
HA 1–4 [19] −8.8 [3]
Albumin 12 [20] -
Globulin (β1, γ, α1 & α2) 1–3 (each) [20] -
Phospholipid 0.1 [19] -
Cartilage constituents Concentration (μg/mg wet tissue) FCD (mM)
CS 30 −170 [3]