Table 1 Dimension and diffusivity values for protein release from PLGA microparticles in collagen.

From: Asymmetric Sensory-Motor Regeneration of Transected Peripheral Nerves Using Molecular Guidance Cues

Parameter

Value

Description

DPTN

7.6 × 10−12 m2/s43

Diffusivity of PTN in 0.1% collagen

DBSA

2.2 × 10−11 44

Diffusivity of BSA in 0.1% collagen

ID

1.5 mm

Channel internal diameter

L

5 mm

Channel length

vmicrochannel

10 μl

Volume within conduit compartment

dmicroparticle

2 μm

Diameter of PLGA microparticles

Ttotal

1.34 ng

Total amount of releasable PTN in the compartment