I imagine you can, but a dehydrator is surely cheaper and will also have the tangible benefit of already coming with shelves in it designed for the express purpose of dehydrating food. You can’t just plop stuff on the floor of the machine and expect passable results; airflow around the entire surface of the food item is required and thus dehydrators come with mesh shelving.

This is one of those deals were you ought to instruct your scientists to think about whether they should, not whether they could.