有抑制的细胞生长动力学 基质抑制动力学 对反竞争性抑制,其抑制机理可假设为: x+S←心[s]6→x[s」+s←k XS 式中 饱和常数 K 抑制常数 细胞比生长速率为:=kCx,而m=kCx总 KC C、=Cy+Cy+C +C。+ S Ks+C、+C; Max max K。+C、+C2/ K S有抑制的细胞生长动力学 • 基质抑制动力学 ' X S XS X K k + ⎯S→ ⎯→ XS2 K XS S + ⎯I → 对反竞争性抑制,其抑制机理可假设为: S S S I S X X S K C C K C C C 2 max + + = = 总 ∴ 式中 -饱和常数 XS X S s C C C K = − 抑制常数 = XS2 X S S I C C C K 细胞比生长速率μ为: xs = kC ,而 max = kCx总 I XS S XS S S XS x X XS XS K C C C C K C C = C +C +C = + + ∵ 总 2 (2.12) / 2 max S S S I S K C C K C + + = ∴