nationality field work_institutions known_for residence image article_title name
german botany technical university of darmstadt aquaporins germany file : kaldenhoff.jpg ralf kaldenhoff
 ralf kaldenhoff
ralf kaldenhoff

ralf kaldenhoff -lrb- * 2 october 1958 -rrb- is a german botanist and professor for applied plant sciences at the technical university of darmstadt .
he is known for his work on the aquaporin protein class , where he detected facilitated diffusion of co2 in plant tissue and cells and in chloreoplasts respectively .
