Table 2. Biokinetic rates derived previously from three independent cartilage engineering experiments each having unique biochemical modulation results [29,30].

Scaffold	Cell type	Ref.	GAGss	τGAG (days)	Collagenss	τcollagen (days)	Rates: growth (λ) and decay (δ)
							λGAG	λcollagen
							δGAG	δcollagen
PGA	BAC	37	6.8% ww	31.3	3.7% ww	15.9	3.256×10−2	6.672×10−2
							6.139×10−4	3.837×10−3
PGA	BAC	36	6.1% dw	187.0	6.5% dw	18.9	5.474×10−3	5.400×10−2
							1.264×10−4	1.108×10−3
PGA	BAC	38	1.6% ww	22.2	2.4% ww	16.7	5.900×10−2	6.800×10−2
							1.400×10−2	8.363×10−3

PGA=polyglycolic acid.

BAC=bovine articular cartilage.

ww, dw=wet weight, dry weight.