Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and remove sulfate groups by treating tissue sections with hot methanol in the presence of hydrochloric acid. (From Stedman, 25th ed)
Methylations
D003903
Deuterium
The stable isotope of hydrogen. It has one neutron and one proton in the nucleus.
Deuterons,Hydrogen-2,Hydrogen 2
D014316
Tritium
The radioactive isotope of hydrogen also known as hydrogen-3. It contains two NEUTRONS and one PROTON in its nucleus and decays to produce low energy BETA PARTICLES.