<transcript><audio_181>stronger is the confinement and uh in this particular cartoon the epidermal growth factor is shown by the green colored circles and the corresponding</transcript><transcript><audio_182>receptors by the Y shaped symbols so it is pretty clear that uh the egfs are secreted from the cell and they are captured by the Y shaped ligans which are located on the cell</transcript><transcript><audio_183>surface so as a problem of microfluidics how do we theoretically solve it we solve the species transport equation with a fluid flow which is typically a pressure driven fluid flow and the boundary conditions are a reactive boundary condition at the substrate</transcript><caption><image_184>The image is a slide from the Indian Institute of Technology, Kharagpur, India, which is a presentation on the model transport process. The slide has a title "Model Transport Process" at the top. Below the title, there is a table with three columns. 

The first column is labeled "Govering Equation" and has a blue arrow pointing to the left side of the table. The second column has a red arrow pointing towards the right side, indicating the direction of the flow of data. The third column has the words "Boundary Conditions" and "Reactive Surface" written on it.

Below the table, there are three equations and their corresponding values. The equations are written in black text and are arranged in a grid-like pattern. The first equation is "Non-dimensional governing equation" and the second equation is written in a mathematical equation. The equation is labeled as "Non dimensional governing equation".

There is also a note at the bottom of the slide that reads "Represents Degree of Confinement". The note mentions that the image is related to the concept of convective vs diffusive transport.</caption><transcript><audio_185>depending on the reactions that we are interested to uh study so it if the in the absence of any reaction uh uh the right hand side of uh the the the equation which involves the reaction</transcript><transcript><audio_186>kinetic features will be equal to zero so uh uh although in many cases we are not interested to study reactions I have purposefully put the reactive surface</transcript> stronger is the confinement and uh in this particular cartoon the epidermal growth factor is shown by the green colored circles and the corresponding receptors by the Y shaped symbols so it is pretty clear that uh the egfs are secreted from the cell and they are captured by the Y shaped ligans which are located on the cell surface so as a problem of microfluidics how do we theoretically solve it we solve the species transport equation with a fluid flow which is typically a pressure driven fluid flow and the boundary conditions are a reactive boundary condition at the substrate depending on the reactions that we are interested to uh study so it if the in the absence of any reaction uh uh the right hand side of uh the the the equation which involves the reaction kinetic features will be equal to zero so uh uh although in many cases we are not interested to study reactions I have purposefully put the reactive surface
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