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单词 microinject
释义

microinjectv.

Brit. /ˌmʌɪkrəʊɪnˈdʒɛkt/, U.S. /ˌmaɪkroʊᵻnˈdʒɛk(t)/
Origin: Formed within English, by compounding. Etymons: micro- comb. form, inject v.
Etymology: < micro- comb. form + inject v., after microinjection n.
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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