Enzymatic-isotopic method for octopamine at the picogram level.

Animals Brain/embryology Brain Chemistry Ethanolamines/analysis Evaluation Studies as Topic Female Guinea Pigs Humans Hypothalamus/analysis Male Methods Methylation Octopamine/analysis,metabolism Phenylethanolamine N-Methyltransferase/isolation & purification,metabolism Pineal Gland/analysis Pregnancy Rats S-Adenosylmethionine/metabolism Species Specificity Spinal Cord/analysis Tritium

Ethanolamines Tritium Octopamine S-Adenosylmethionine Phenylethanolamine N-Methyltransferase