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</script>pmid: 5444264
The development of a radioimmunoassay for morphine is described. The hapten morphine is made antigenic by coupling it to a protein at the phenolic group of the molecule. Extremely low concentrations of morphine (0.5 nanogram) can be measured by this assay procedure.
Morphine, Radioimmunoassay, Serum Albumin, Bovine, Blood Proteins, Tritium, Antigen-Antibody Reactions, Methods, Animals, Cattle, Rabbits
Morphine, Radioimmunoassay, Serum Albumin, Bovine, Blood Proteins, Tritium, Antigen-Antibody Reactions, Methods, Animals, Cattle, Rabbits
| citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 316 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Top 10% | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 0.1% | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Top 1% |
