RADIOISOTOPES

RADIOISOTOPES

Online ISSN : 1884-4111
Print ISSN : 0033-8303
ISSN-L : 0033-8303

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Volume 17, Issue 6

Displaying 1-7 of 7 articles from this issue

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Isotopic Studies on the Protein Metabolism of Mytilus Gill

Kenzo TAGUCHI, Kyoji TONDOKORO, Taiji SCHIMIZU

1968Volume 17Issue 6 Pages 237-241
Published: June 15, 1968
Released on J-STAGE: September 07, 2010

DOIhttps://doi.org/10.3769/radioisotopes.17.6_237

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Incorporations of ¹⁴C-glycine into the protein moiety of deoxyribonucleoprotein, that of ribonucleoprotein and soluble protein of Mytilus gill showed a lag phase for about 30 minutes which was due to exchange of glycine bound to each protein fraction with that in the pool. The method to isolate cilia from gill tissues was reported and it was shown that the metabolic activity of ciliary protein was much greater than those of deciliated gill protein and gill actomyousin.

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Study on the Medical Universal Human Counter (Fourth Report)

Whole Body Counting by Linear Scanning

Kin-ichi HISADA, Masamichi MATSUDAIRA, Makoto KURANISHI, Shozo MORI

1968Volume 17Issue 6 Pages 242-246
Published: June 15, 1968
Released on J-STAGE: September 07, 2010

DOIhttps://doi.org/10.3769/radioisotopes.17.6_242

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With our Medical Universal Human Counter (MUHC), whole body counting can be obtained also by summing up the counts of linear scanning. For linear scanning, two detectors with a slit-field collimator are placed symmetrically above and two below the table. The table of the scanning bed is moved automatically along the longitudinal axis. The output signal is fed to an electric recorder through the ratemeter of the spectrometer. Isoresponse curves of this system in air and water were made with various measuring conditions.
Most important thing in whole body counting is establishing the way minimizing dependence of count on radioisotope distribution in the body. Whole body counting by linear scanning on our present condition may bring the difference of ±30% at its maximum. But in clinical condition, the difference of counting was less than 5% despite of considerable shift of radioisotope distribution in the body. About 10 μCi of ¹³¹I in vivo can be measured with relative statistical error of 5% by linear scanning for 15 minutes.

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Gamma-ray Irradiation of Tobacco Mosaic Virus-Infected Tobacco Leaves and Cigarettes with Special Reference to the Inactivation of Virus

Keiichi TOMARU, Tsugio SHIROYA

1968Volume 17Issue 6 Pages 247-249
Published: June 15, 1968
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.17.6_247

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[title in Japanese]

[in Japanese]

1968Volume 17Issue 6 Pages 250-257
Published: June 15, 1968
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.17.6_250

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[title in Japanese]

[in Japanese]

1968Volume 17Issue 6 Pages 258-266
Published: June 15, 1968
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.17.6_258

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...

1968Volume 17Issue 6 Pages 267-273
Published: June 15, 1968
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.17.6_267

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[title in Japanese]

1968Volume 17Issue 6 Pages A867-A432
Published: June 15, 1968
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.17.6_A867

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