The preparation of carrier free radiobromine: the separation of KBrO3 and KBr using an organic solvent.
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Bromine↗
Biomedical subjects
Z B Alfassi
Publications and source records attributed to Z B Alfassi.
A comparison between poly-alpha,L-ornithine and poly-alpha,L-lysine in solution: the effect of a CH2 group in the side chain on the conformation of poly-alpha-amino acids.
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Chemical Phenomena↗
Determination of parameters relevant to alpha spectrometry when employing source coating.
The recoil fragments from an alpha-emitting source may cause significant detector contamination. The simplest method to avoid the problem is to use a source coating. The influence of Mylar film coatings of different thickness on the resolution, efficiency and minimum detection level of an alpha spectrometry system was investigated. No significant deterioration of the system characteristics was observed when using thin films of about 0.25 mg/cm2.
Journal Article↗
Locating a "hot spot" in the lungs when using an array of four HPGe detectors.
Considerable errors in the activity determination in lungs can be induced for the case of a "hot spot". Modern lung counter systems use several HPGe detectors, and the count rate ratios of the detectors can be used to locate the "hot spot" and apply correction algorithms. Some criteria for location determination of a point source in the lungs were investigated, and it is shown that an average error of up to about 10% can be achieved.
Aerosols↗