435 / | HD | CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY |
4 | DF | MEASURING OR TESTING PROCESS INVOLVING ENZYMES OR MICRO-ORGANISMS; COMPOSITION OR TEST STRIP THEREFORE; PROCESSES OF FORMING SUCH COMPOSITION OR TEST STRIP {15} |
7.1 | DF | .~ Involving antigen-antibody binding, specific binding protein assay or specific ligand-receptor binding assay {9} |
7.6 | .~.~ Involving a modified enzyme (e.g., abzyme, recombinant, chemically altered, etc.) |