A device containing a printed wire board (PWB), wherein the PWB comprises a fluid channel, wherein the fluid channel is a closed channel having a noble metal-containing layer on a surface of the fluid channel is disclosed. A method of making a device containing providing a substrate of a PWB; and fabricating a fluid channel in the PWB, wherein the fluid channel is a closed channel having a noble meal-containing layer on a surface of the fluid channel is disclosed. Also, a method containing providing a printed wire board (PWB), wherein the PWB comprises a fluid channel, wherein the fluid channel is a closed channel having a noble metal-containing layer on a surface of the fluid channel, and flowing fluid the fluid channel is disclosed.