Dictionary » S » Stain



1. To discolour by the application of foreign matter; to make foul; to spot; as, to stain the hand with dye; armor stained with blood.

2. To colour, as wood, glass, paper, cloth, or the like, by processess affecting, chemically or otherwise, the material itself; to tinge with a colour or colours combining with, or penetrating, the substance; to dye; as, to stain wood with acids, coloured washes, paint rubbed in, etc.; to stain glass.

3. To spot with guilt or infamy; to bring reproach on; to blot; to soil; to tarnish. Of honor void, Of innocence, of faith, of purity, Our wonted ornaments now soiled and stained. (milton)

4. To cause to seem inferior or soiled by comparison. She stains the ripest virgins of her age. (Beau. & Fl) That did all other beasts in beauty stain. (Spenser) Stained glass, glass coloured or stained by certain metallic pigments fused into its substance, often used for making ornament windows.

Synonym: To paint, dye, blot, soil, sully, discolour, disgrace, taint.

paint, Stain, dye. These denote three different processes; the first mechanical, the other two, chiefly chemical. To paint a thing is so spread a coat of colouring matter over it; to stain or dye a thing is to impart colour to its substance. To stain is said chiefly of solids, as wood, glass, paper; to dye, of fibrous substa 505 nces, textile fabrics, etc.; the one, commonly, a simple process, as applying a wash; the other more complex, as fixing colours by mordants.

Origin: Abbrev. Fr. Distain.

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Methylene Blue Solution use in staining variety of bacteria?

... Hospitals. Methylene Blue Solution Methylene Blue Solution (Loeffler's) is used in various procedures such as the Ziehl-Neelsen, Fite's, and Gram stain. The stain is also suggested for use in staining a variety of bacteria (Corynebacterium diphtheria, Haemophilus influenzae, Neisseria, etc.) and ...

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by scytek
Sun Feb 22, 2015 9:22 am
Forum: General Discussion
Topic: Methylene Blue Solution use in staining variety of bacteria?
Replies: 0
Views: 323

Re: How would I do this experiment? [Advanced]

... of bacteria, it may not distinguish between those two, moreover you may get noise due to killed/dead cells in the readings. If you use live cell stains, and then use microscopy to count cells, then you may be able to do it, but how shall you selectively stain E.coli or Kefir cells to be able ...

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by Hrushikesh
Mon Dec 15, 2014 5:00 pm
Forum: Cell Biology
Topic: How would I do this experiment? [Advanced]
Replies: 2
Views: 1070

how is Methylene Blue Solution Work as Bacteria Founder?

Hello I am trying to stain bacteria, and I started out using the Methylene Blue Solution but I was using to much materials so I am trying to find stuff to stain bacteria that can be bought at a simple way which is work as much better ...

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by scytek
Wed Dec 03, 2014 7:48 am
Forum: General Discussion
Topic: how is Methylene Blue Solution Work as Bacteria Founder?
Replies: 0
Views: 536

Recommendations for Bacteria Detection?

... to count the motile bacteria in hemocytometer. I suggest to use a disinfectant to kill the bacteria before counting.I think you can also use a stain for seeing the bacteria in the microscope.

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by josem
Tue Oct 07, 2014 7:58 pm
Forum: Microbiology
Topic: Recommendations for Bacteria Detection?
Replies: 4
Views: 2866

identify bacterias in Gram stain kit &The Giemsa Stain Kit

The Gram Stain Kit is intended for the demonstration and differentiation of Gram-positive and Gram-negative bacteria. Gram Positive Bacteria: Blue Gram Negative Bacteria: Red Other Tissue: Yellow Nuclei: Red The Giemsa Stain Kit ...

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by scytek
Sat Mar 15, 2014 1:11 pm
Forum: General Discussion
Topic: identify bacterias in Gram stain kit &The Giemsa Stain Kit
Replies: 0
Views: 2629
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