title: Ideal and non-ideal concentration gradient propagation in chemotaxis studies.
mesh_terms: D002630:Chemotactic Factors; D002633:Chemotaxis; D004396:Coloring Agents; D003584:Cytological Techniques; D004058:Diffusion; D007700:Kinetics; D012685:Sepharose
chemical_list: D002630:Chemotactic Factors; D004396:Coloring Agents; D012685:Sepharose