Krogh length

The Krogh Length, [math]\displaystyle{ \lambda_K }[/math], is the distance between capillaries at which nutrients diffuse to based on cellular consumption of the nutrients.[1][2] It can be described as:

[math]\displaystyle{ \lambda_K = \sqrt{D_s c_o/R} }[/math]

where [math]\displaystyle{ D_s }[/math] is the diffusion constant of the solute in the substrate, [math]\displaystyle{ c_o }[/math] is the concentration in the channel, and [math]\displaystyle{ R }[/math] is the consumption by the cells. Units are in terms of length.[citation needed]

## See also

* August Krogh
* Biomedical engineering
* Capillaries
* Diffusion
* Biot number
* Peclet number

## References

1. ↑ Fournier, R. L. Basic Transport Phenomena in Biomedical Engineering 1st edn (Taylor & Francis, London, 1999).
2. ↑ Choi et al. Microfluidic scaffolds for tissue engineering. Nature Materials (2007) vol. 6 pp. 908-915

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