Modeling Species Transport and Surface Reactions in Biosensors with COMSOL® Webinar - Archived

This is a recording of a webinar that originally aired on Jul 3, 2019

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Biotechnology uses living organisms to manufacture, develop, or improve products. The functionality of biological systems has been exploited in areas such as food manufacturing (e.g., yeasts used to make bread and beer) and in medical devices (e.g., glucose monitoring sensors). Biosensors exploit biological components in the detection of a chemical substance. For example, enzymes may be used to quantify contaminants, such as pesticides or antibiotics. In the medical and agrifood fields, antibodies may be used in biosensors to measure antigens. During an analysis, the ligand sees its modified properties and emits a physiochemical signal, which is transformed by a transducer into an analyzable signal.

In this webinar, we will discuss how the COMSOL Multiphysics® software can be used to model biosensor devices. We will demonstrate a model for the adsorption of antigens in aqueous solutions on an array of micropillars and examine the impact of design parameters, such as pillar diameter, grid spacing, and inlet velocity, on the detection capabilities. We will also provide an overview of the approach for modeling convection, diffusion, and surface reactions using COMSOL Multiphysics® and the add-on Chemical Reaction Engineering Module. Further, we will show how to couple the flow in a channel and the transport of species as well as simulate the reactions between these species and active sites, present on the surfaces of micropillars in the channel.

This presentation will include a live demonstration and conclude with a Q&A session.

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Archived Webinar Details

Speaker

Ross Hubble
COMSOL

Ross Hubble works as an applications engineer at COMSOL UK. He graduated from the University of Cambridge in 2010 with an MEng in chemical engineering and then went on to carry out his PhD investigating carbon oxide hydrogenation reactions.