One incorporates pure copper nanowire segments about 60 nanometers in width (one one-hundredth the width of a human hair), while the other utilizes copper-zinc nanowires of that same size.

Too much zinc could depress copper levels . May 10, 2023 at 6:00 am . By . ... Daily doses of 50 milligrams of zinc taken for many weeks or months could lead to copper deficiency.