1949
DOI: 10.1002/ange.19490610703
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Anwendungen der stabilen und radioaktiven Isotope in der Biochemie

Abstract: ist aber die auf der Umwandlung von A t o m k e r n e n beruhende Bombe und die aus den K e r n e n stammende Energie gemeint. Im Abschnitt: ,,Neue Wege zur Gewinnung radioakiiver und stabiler Atome" ist bereits gesagt, wie im Uran-Brenner Warme entsteht. Es ist jetzt nur noch zu besprechen, wie diese Warmeenergie nutzbar geniacht werden kann und worin die vorher zu iiberwindenden Hauptschwierigkeiten bestehen. Die in AussicPt genomnienen Anlagen sehen folgendes Verfahren vorS2). Ein Uran-Breniier gibt seine W… Show more

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Cited by 15 publications
(4 citation statements)
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“…It is interesting to compare the reduction of tetraphenylphthalic anhydride and tetraphenylphthalide with similar experiments reported in the literature (7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19). The direct reduction of an anhy dride to a dialcohol is well known.…”
mentioning
confidence: 56%
See 1 more Smart Citation
“…It is interesting to compare the reduction of tetraphenylphthalic anhydride and tetraphenylphthalide with similar experiments reported in the literature (7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19). The direct reduction of an anhy dride to a dialcohol is well known.…”
mentioning
confidence: 56%
“…or an equivalent quantity of lithium aluminum hydride has been reported to give only a mixture of phthalyl alcohol and unreacted phthalic anhydride (16), whereas the inverse addition has given phthalide (19). A dependence upon temperatures has also been noted; namely, that naphthalene-1,2-dicarboxylic acid anhydride gives only the lactone of 2-hydroxymethyl-l-naphthoic acid in ethyl ether (14). The lactone is not reduced upon further treatment under these conditions.…”
mentioning
confidence: 99%
“…These heavy isotopes are difficult to use because there is no simple method of detecting them. Ordinarily this is accomplished by isolating the compounds suspected of containing them, subjecting them to combustion, and analyzing the resulting gases with the mass spectrometer (309,314). This technique has led to very important advances in biochemical knowledge (1,45,96,112,163,164, 270, 271, 291) and promises still further contributions because of the lack of suitable radioactive isotopes of hydrogen, oxygen, and nitrogen.…”
Section: Isotope Tracer Techniques |mentioning
confidence: 99%
“…Heavy isotopes may be used to obtain the elementary composition of a pure compound by adding a known amount of the unusual isotope in any convenient form to a known amount of the pure compound, and heating above redness until equilibrium is reached. The resulting mixture is analyzed in the mass spectrometer to obtain the isotope ratio (258,309). Quantitative recovery of the material is not necessary.…”
Section: Isotope Tracer Techniques |mentioning
confidence: 99%