SEARCH Articles Figures Tables Entropy of isotope mixing Isotope mixing Isotopic labeling, mixed Isotopic mixed crystals Kinetic Isotope Effects in Mixed Solvents Macroscopic surface excitons and polaritons in isotopically mixed crystalline solutions Mixed isotope photoaffinity Mixed isotope photoaffinity reagents Mixed isotopic exponents Mixed-oxide fuel, isotopic composition Organic matter isotopic mixing models Using isotope correlation diagrams and epsilon plots to recognize mixing processes