By Sterling Chaykin (auth.), Seymour Rothchild (eds.)
Radioactive tracers have had a profound impression on medical examine in the past two decades, quite in bio chemistry and allied fields. The speedy evolution of subtle instrumentation and labeling thoughts prior to now ten years has made attainable on a regimen foundation exquisitly delicate experiments which with different strategies will require her culean efforts at the a part of the investigator. The Symposia on Advances in Tracer technique, which were held usually considering that 1957, supply for learn employees in biochemistry, pharmacology, endocrinology, and drugs a spotlight at the a number of advancements within the tracer box which are often scattered in the course of the clinical literature. quantity three is arecord of the lawsuits of the 9th and 10th Symposia, that have been backed via the hot England Nuclear company and the Packard tool corporation, Inc. contemporary advances in tracer technique, as mirrored through the papers during this quantity, were customarily concerned about im proved analytical concepts, equivalent to liquid scintillation count number ing, autoradiography, and chromatography, and with novel ap plications of classified compounds in biochemical and scientific problems.
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Extra resources for Advances in Tracer Methodology: Volume 3 A collection of papers presented at the Ninth and Tenth Symposia on Tracer Methology
15. , j. Biol. Chern. 239:2998 (1964). , and Rieder, S. , j. Biol. Chern. 231:315 (1958). Rieder, S. , j. Bio1. Chern. 234:1007 (1959). , andKatz, j" Arch. Biochern. Biophys. , Hoppe-Seyler's Z. Physiol. Chern. , Hoppe-Seyler's Z. Physiol. Chern. , Fed. Proc. 23:380 (1964). , j. Org. Chern. 23:1037 (1963). , and Kernp, R. , j. Biol. Chern. ,. j. Biol. , August 1966. 21 (1965). (1963). (1963). (1965). USE OF VINYL MAGNESIUM BROMIDE IN THE SYNTHESIS OF LABELED COMPOUNDS: NEW PREPARATIONS OF GLYCEROL-I-C14 AND GLYCERIC ACID-I_C14 L.
95:2557 (1962). 15. Straub, W•• Biochem. Z. 28:392 (1910). 16. , International Conference on Medicina1 Plant Research, Sofia (September 16-18, 1963). 17. Rabitzsch, G•• Naturwissenschaften 50:225 (1963). A SIMPLE METHOD OF PREPARING LABELED BENZENE K. Schmid, H. Fürer, and G. Dändliker eISA Research Laboratories Basel, Switzerland Among the organic compounds which may be employed as starting materials for radioactive syntheses, labeled benzene occupies an important position for several reasons.
Hel 4. A 0 5. NH Z NH 2 0 6. 4··18'3/ 4"'" • CH J 5. Ptl AI 2 0 3 0** CH _ 3. H2 /Ni 6. KMnQ .. 3 • 7: CuC'Z04 0* ....... JO % Fig. 1. Syntheses of benzene-C 14 • Methods I, II, and III (Fig. 1) have been described in detail in the literature  and give, to some extent, good yields. The disadvantages of these methods, however, are obviolis: all three call for a quite considerable expenditure of effort and a high degree of skill. Since only one carbon atom in the benzene nuc1eus is labeled, it is possible to achieve at best only a specific activity corresponding to that of the starting material.