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U Goebelsmann

Publications and source records attributed to U Goebelsmann.

100 records · Page 6Linked to original sources

delta 9-Tetrahydrocannabinol by GLC-MS validated radioimmunoassays of hemolyzed blood or serum.

A direct radioimmunoassay (RIA) of delta 9-tetrahydrocannabinol (delta 9-THC) in unextracted hemolyzed blood or serum is described. The dose-response curve in the range of 5-50 ng/mL (serum or blood) was linear on log-logit transformation and iterative weighted regression. Validation studies included testing for precision, accuracy and antibody specificity as well as confirmation of RIA results (marijuana smoker samples) by gas liquid chromatography-mass spectroscopy (GLC-MS). This routine method will greatly augment cannabinoid investigative programs.

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