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单词 radiophosphorus
释义

radiophosphorusn.

Brit. /ˌreɪdɪəʊˈfɒsf(ə)rəs/, U.S. /ˈˌreɪdioʊˈfɑsf(ə)rəs/
Origin: Formed within English, by compounding; apparently modelled on a French lexical item. Etymons: radio- comb. form2, phosphorus n.
Etymology: < radio- comb. form2 + phosphorus n., apparently after French radiophosphore (I. Curie & F. Joliot 1934, in Comptes rendus hebd. de l'Acad. des Sci. 198 561). The French paper was read at a session of the French Academy of Sciences on 29 January 1934, but not published until later that year. The source cited in quot. 1934 is a different paper (in English) by the same authors, reporting on the same experiments.
A radioactive isotope of phosphorus; spec. phosphorus-32, which decays by beta emission with a half-life of 14.3 days, and is widely used as a diagnostic and therapeutic agent.
ΘΚΠ
the world > matter > physics > atomic nucleus > radioactive isotope > specific isotopes > [noun] > artificial isotopes
radiophosphorus1934
radioiodine1935
the world > matter > physics > atomic nucleus > radioactive isotope > radioactive label > [noun] > isotope used as tracer
indicator1919
tritium1933
radiophosphorus1934
1934 Nature 10 Feb. 202/2 We propose for the new radio-elements formed by transmutation of boron, magnesium and aluminium, the names radionitrogen, radiosilicon, radiophosphorus.
1951 New Biol. 10 36 Mosquito larvae grown in water containing phosphorus-32 (radiophosphorus) produce radioactive adults whose presence in a swarm can be picked out immediately.
1993 Jrnl. Cancer Res. & Clin. Oncol. 119 320 Examples [of radionuclides used in therapy] are radioiodine for treating thyroid malignancy and radiophosphorus for myeloproliferative diseases.
2005 Hematol. Week (Nexis) 20 June 136 Studies have shown that treatment with myelosuppressive agents such as chlorambucil, busulfan, radiophosphorus (P-32), and hydroxyurea reduces the platelet count.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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n.1934
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