| 单词 | microinject |
| 释义 | microinject, v. Chiefly Biol.|ˌmaɪkrəʊɪnˈdʒɛkt|
[Back-formation f. *microinjection n.]
1. trans. To inject into a microscopic object, esp. a living cell.
1974Nature 4 Oct. 388/1 The Xenopus oocyte (into which the mRNA is microinjected). 1976Sci. Amer. Aug. 71/3 Both of these small eggs can be microinjected. 1984L. W. Browder Developmental Biol. (ed. 2) vii. 305 Attempts to induce maturation by microinjecting progesterone directly into oocytes. 1994Sci. 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. trans. To subject (a cell, etc.) to microinjection with.
1975Nature 21 Aug. 677/2 Cells microinjected with tRNAPhe contain more than 500 times the normal concentration of this specific tRNA. 1988Ibid. 20 Oct. 736/1 Fibres were microinjected with a solution of 27.5 mM fura-2.., 66 mM potassium gluconate, 5 mM CaCl2, 5mM HEPES.
So microinˈjected, microinˈjecting ppl. adjs.
1951Nature 5 May 734/2 The first condition could be fulfilled with many of the micro-injecting devices now on the market. 1987Biochem. Jrnl. CCXLI. 793 (heading) Studies with microinjected purified glycolytic enzymes. 1988Mouse News Let. Nov. 168 Microinjected antibody also localizes to the Golgi. |
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