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Stain

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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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: 1416

What do you think these are, in my blood?

... I value my vet friend's opinion. He thinks these are a micrococci - perhaps Staphylococcus. What do you think of that? EDIT: Oh, btw, he said the staining is with the Wright modified stain.

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by snowathlete
Thu Dec 12, 2013 1:14 pm
 
Forum: Microbiology
Topic: What do you think these are, in my blood?
Replies: 16
Views: 9895

Re: What do you think these are, in my blood?

If that is in fact Bartonella , that is an interesting presentation. The cell numbers are not what I would expect and stain surprisingly purple/blue.

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by daniel.kurz
Tue Dec 10, 2013 3:22 pm
 
Forum: Microbiology
Topic: What do you think these are, in my blood?
Replies: 16
Views: 9895

What do you think these are, in my blood?

... platelets (usually if they are present, they are attached to other blood cells as 'satellites'). Not certain though, some more details about the stain would be nice indeed. Also, do you happen to have any images with white blood cells, this might give us some clues about the stain and general ...

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by biohazard
Mon Dec 09, 2013 11:34 am
 
Forum: Microbiology
Topic: What do you think these are, in my blood?
Replies: 16
Views: 9895

Re: Bacterial Taxonomy

... cell that serve a common function—but hami are "barbed" helical projections with hooked tips. I don't know how an archaean would Gram stain.

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by wildfunguy
Tue Dec 03, 2013 12:21 am
 
Forum: Microbiology
Topic: Bacterial Taxonomy
Replies: 3
Views: 4312
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