| 释义 |
blotting
blot 1 B0338200 (blŏt)n.1. A spot or a stain caused by a discoloring substance: a blot of paint.2. An association of disgrace with one's character or reputation. See Synonyms at stain.3. a. A laboratory technique, such as a Southern blot analysis, that involves electrophoretically separating proteins or nucleic acids and transferring them to a membrane.b. The membrane onto which these proteins or nucleic acids have been transferred.v. blot·ted, blot·ting, blots v.tr.1. To soak up or dry with absorbent material. Often used with up: blotted the spill with a napkin; used a rag to blot up the paint.2. a. To make obscure or invisible; hide. Often used with out: clouds blotting out the moon.b. To render invisible or unreadable by marking; obliterate. Often used with out: blotted out the names with a pen.c. To remove or block from personal memory or public remembrance. Often used with out: "His death in the hour of victory blotted out his failings and left a heroic memory" (N.A.M. Rodger).3. To spot or stain, as with a discoloring substance: Grass stains blotted the knees of his pants.4. To bring moral disgrace to: an incident that blotted the senator's reputation.v.intr.1. To spill or spread in a spot or stain.2. To become blotted, soaked up, or absorbed.
[Middle English.]
blot 2 B0338200 (blŏt)n.1. Games An exposed piece in backgammon.2. Archaic A weak point.
[Possibly from Low German blat, naked, unprotected.]blotting (ˈblɒtɪŋ) n (Biochemistry) biochem another name for blot analysisTranslationsIdiomsSeeblotblotting
blotting[′bläd·iŋ] (cell molecular) The transfer of electrophoretically separated polypeptides onto a solid support medium, such as nitrocellulose paper or a nylon membrane. Blotting
The transfer of protein, RNA or DNA molecules from a thick acrylamide or agarose gel to a paper like membrane—usually nylon or nitrocellulose—by capilliarity or an electric field, preserving the spatial arrangement |