Develop a mathematical expression for the effective mass transfer rate achieved by an implanted drug delivery device that consists of a spherical core of radius R0 containing the drug, surrounded by a gel barrier of uniform thickness (R1-R0), i.e., the radius of the device (reservoir + barrier) is R1. When implanted, a scar tissue layer of thickness (R2-R1) forms around the device. State and justify any assumptions you might make. For a spherical shell, the flux and mass transfer rate are given by the following expressions (see notes “Steady State Molecular Diffusion: Geometry Effects”
Develop a mathematical expression for the effective mass transfer rate achieved by an implanted drug delivery device that consists of a spherical core of radius R0 containing the drug, surrounded by a gel barrier of uniform thickness (R1-R0), i.e., the radius of the device (reservoir + barrier) is R1. When implanted, a scar tissue layer of thickness (R2-R1) forms around the device. State and justify any assumptions you might make. For a spherical shell, the flux and mass transfer rate are given by the following expressions (see notes “Steady State Molecular Diffusion: Geometry Effects”
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Develop a mathematical expression for the effective mass transfer rate achieved by an
implanted drug delivery device that consists of a spherical core of radius R0 containing the
drug, surrounded by a gel barrier of uniform thickness (R1-R0), i.e., the radius of the device
(reservoir + barrier) is R1. When implanted, a scar tissue layer of thickness (R2-R1) forms
around the device. State and justify any assumptions you might make.
For a spherical shell, the flux and mass transfer rate are given by the following expressions
(see notes “Steady State Molecular Diffusion: Geometry Effects”
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