The analysis of nucleosides, nucleotides, and associated compounds; The biochemical analysis of insect DNA; Preparation and analysis of RNA; Analysis of amino acids, peptides and related compounds; Insect lipid analysis; Chemical analysis of insect molting hormones; Analysis of the naturally accurring juvenile hormonesptheir isolation, identification, and titer determination at physiological levels; Analytical biochemistry of insect neurotransmitters and their enzymes.