Modeling Oxygen Behaviour in Point-of-Care pO2 Devices

A mathematical model is to be developed that describes how oxygen can move in a point-of-care blood

gas sensor. The sensor measures the partial pressure of oxygen in a blood sample. Oxygen can move

throughout the cartridge by diffusing through the various materials that make up the cartridge. The

extent to which the oxygen can diffuse depends on the properties of the materials that make up the

cartridge. Porous materials will allow the oxygen to move more freely, whereas materials with little

porous structure will block the oxygen. The mathematical model will be developed using fundamental

concepts in chemical engineering, leading to a model that consists of a number of equations that

describe how concentrations change both in time, and by location. Special solution strategies will be

used to solve the equations, and we will also work to simplify the equations to make them easier to

solve and apply. In addition to developing a mathematical model, the project wil….

Faculty Supervisor:

James McLellan

Student:

Partner:

Abbott Point of Care

Discipline:

Engineering

Sector:

Health and Related Sciences & Technology

University:

Queen's University

Program:

Accelerate

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