单词 | microinject |
释义 | microinjectv. Biology. 1. transitive. To inject (a substance) into a microscopic object, esp. a single cell. ΘΚΠ the world > life > biology > laboratory analysis > processes > [verb (transitive)] > inject something into a cell microinject1926 1926 Proc. Royal Soc. 1925–6 B. 99 389 We reported the results of micro-injecting all the dyes into the egg-cells of a sea-urchin. 1974 Nature 4 Oct. 388/1 The Xenopus oocyte (into which the mRNA is microinjected). 1976 Sci. Amer. Aug. 71/3 Both of these small eggs can be microinjected. 1984 L. W. Browder Developmental Biol. (ed. 2) vii. 305 Attempts to induce maturation by microinjecting progesterone directly into oocytes. 1994 Sci. Amer. Mar. 38/1 We knew the machinery was fairly efficient because we could microinject more than 100 DNA molecules of the same sequence, and the cell would stitch them all together in the same orientation. 2. transitive. To inject (a cell or other microscopic object) with a substance. ΘΚΠ the world > life > biology > laboratory analysis > processes > [verb (transitive)] > subject a cell to microinjection microinject1932 1932 Proc. Royal Soc. B. 110 121 In regard to the technique of microinjecting tissue cells, probably the difficulty lies not so much in the small size of the cells as in the minuteness of the tip of the pipette. 1951 Science 28 Dec. 699/1 Axoplasm..underwent liquefaction when microinjected with divalent cations such as calcium. 1975 Nature 21 Aug. 677/2 Cells microinjected with tRNAPhe contain more than 500 times the normal concentration of this specific tRNA. 1992 Proc. National Acad. Sci. U.S.A. 89 7735 We have developed an approach to transformation of a beneficial arthropod by microinjecting eggs. Derivatives microinˈjected adj. ΘΚΠ the world > life > biology > laboratory analysis > processes > [adjective] > others superinfected1897 spinal1900 auxanographic1905 turbidimetric1911 pre-experimental1917 superinfecting1918 killed1919 pretreated1925 micrurgical1927 bursectomized1928 ultrafilterable1928 microinjected1938 alloxanic1950 microinjecting1951 superfused1953 sterile-male1959 sham-operated1963 transfected1964 perifused1969 zeugmatographic1973 1938 Amer. Naturalist 72 145 The form taken by microinjected oils. 1988 Mouse News Let. Nov. 168 Microinjected antibody also localizes to the Golgi. microinˈjecting adj. ΘΚΠ the world > life > biology > laboratory analysis > processes > [adjective] > others superinfected1897 spinal1900 auxanographic1905 turbidimetric1911 pre-experimental1917 superinfecting1918 killed1919 pretreated1925 micrurgical1927 bursectomized1928 ultrafilterable1928 microinjected1938 alloxanic1950 microinjecting1951 superfused1953 sterile-male1959 sham-operated1963 transfected1964 perifused1969 zeugmatographic1973 1951 Nature 5 May 734/2 The first condition could be fulfilled with many of the micro-injecting devices now on the market. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < |
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