Chemotactic flux
= Chemotactic flux
{title2=$J_{chem}=\chi q\nabla c$}
= Chemotactic cell flux
{synonym}
A <chemotactic flux> is the transport flux caused by directed cell movement in response to a chemical gradient. For a cell density $q$ and attractant concentration $c$, a common flux is $\chi q\nabla c$ with $\chi>0$.