Search results
stained - marked or dyed or discolored with foreign matter; "a badly stained tablecloth"; "tear-stained cheeks" unstained - not stained; "An apron keeps his clothing unstained" 2.
1 [transitive, intransitive] to leave a mark that is difficult to remove on something; to be marked in this way stain (something) (with something) I hope it doesn't stain the carpet. This carpet stains easily. stain something + adj. The juice from the berries stained their fingers red.
stain - WordReference English dictionary, questions, discussion and forums. All Free.
Introduction to Staining Describe the procedure for heat fixation. Define the following: acidic dye, basic dye, direct stain, and indirect stain. Describe in chemical and physical terms the principle behind direct staining and the principle behind indirect staining. Direct Staining Procedure
Jul 16, 2024 · Gram stain, a widely used microbiological staining technique that greatly aids in the identification and characterization of bacteria. It was devised by a Danish physician, Hans Christian Gram, in 1884. The Gram reaction reflects fundamental differences in the biochemical and structural properties of bacteria.
Jun 30, 2024 · stain (third-person singular simple present stains, present participle staining, simple past and past participle stained) To discolor, as by spilling or other contact with a fluid or substance. to stain the hand with dye armour stained with blood; To taint or tarnish someone's character or reputation
May 26, 2021 · One type of staining procedure that can be used is the simple stain, in which only one stain is used, and all types of bacteria appear as the color of that stain when viewed under the microscope. Some stains commonly used for simple staining include crystal violet, safranin, and methylene blue.
