Sentences with phrase «contains iron atoms»

I knew that heme, the oxygen - carrying molecule in hemoglobin, contained an iron atom within a porphyrin ring (for more information on porphyrin chemistry see this site at Washburn University), but Dr. Datta - Gupta and his laboratory technician attempted to chemically add different metals such as copper, magnesium, or manganese to porphyrins using column chromatography.

Not exact matches

It turned out to be a polymer similar to chitin, containing long chains of amino acids, possible enzymes or transport proteins, and thousands of sites that each cupped a single iron atom.

The team identified and located more than 6,500 iron and 16,600 platinum atoms and showed how the atoms are arranged in nine grains, each of which contains different ratios of iron and platinum atoms.

During laboratory tests, Giapis showed that when these water particles hit the comet's surface, they attach themselves to the oxygen atoms contained in other molecules, such as iron oxide (rust) and silicon dioxide (sand).