This report describes the synthesis of L-and D-[methyl-11C] methionine in pure enantiomeric
forms. The compounds were prepared routinely approximately 1,000 times with less than …

New 11 C-labelled precursors [1- 11 C]ethyl, [1- 11 C]propyl, [1- 11 C]butyl, and [1- 11 C]isobutyl
iodides have been prepared by a 3-step reaction route using a one-pot system. The …

The binding of 11C-labelled clozapine in the brain was studied in three drug-free schizophrenic
patients and in three healthy volunteers. High radioactivities were found in the striatum …

Preparation of [ 11 C]methyltriphenylphosphonium iodide and the in situ generation of [ 11 C]methylenetriphenylphosphorane
directly from [ 11 C]methyl iodide, is described. Using this …

Methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) is a selective potent neurotoxin which
has induced a syndrome similar to parkinsonism both in man and in monkeys. At autopsy …

Prostaglandins (PG) are endogenous compounds that have been extensively studied by
various techniques. In this paper, the syntheses of methyl esters of PGD 2 and PGE 2 , labelled …

… Previous studies have shown that for a uniform disc of activity of rms percentage of
uncertainty per resolution cell is: 120 X (number of resolution cells)1/4 X (number of events per …

… by 22 per cent while 59 per cent had mixed and 19 per cent mainly negative feelings.
Masturbation ever performed was admitted by 75 per cent of the women, but 42 per cent of those …

… cut or by felling one tree per cut and accumulating trees on the … per tree) is saved when
moving several trees during crane-in (bunching). Felling several trees in one cut reduces time per …

… Twelve individuals per landrace were genotyped with seven bean microsatellite markers. …
Within landraces, an average of 5.7 alleles per locus was identified, with a range from 2 to 13 …