Dictionary » C » Crystal

Crystal

Crystal

a solid of regular shape and, for a given compound, characteristic angles, formed when an element or compound solidifies slowly enough, as a result either of freezing from the liquid form or of precipitating out of solution, to allow the individual molecules to take up regular positions with respect to one another.

Origin: g. Krystallos, clear ice, crystal


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Bacterial Taxonomy

... and membranes like? Deinococcus has an outer membrane similar to that of Gram-negatives, but it stains as Gram-positive, so it somehow retains the crystal violet. The deeply branching bacteria are all autotrophs. For example, the Chloroflexi are the green nonsulfur bacteria , which are phototrophs ...

See entire post
by wildfunguy
Sat Oct 19, 2013 6:12 pm
 
Forum: Microbiology
Topic: Bacterial Taxonomy
Replies: 3
Views: 1541

Using oxidizing agents in gram stain

... iodine with another oxidizing agent during the gram staining process ? So far I know that the purpose of the iodine is to form a complex with the crystal violet in order to enable the cell wall of the bacteria to retain the dye but certainly there must be other oxidizing agents that can replace ...

See entire post
by ccBiologist
Sun Sep 22, 2013 2:44 pm
 
Forum: Microbiology
Topic: Using oxidizing agents in gram stain
Replies: 1
Views: 851

Experiment on weathering

... experiment on weathering? It will have 3 types of weathering. They are mechanical, chemical, and biological. It might be weathering on a rock or a crystal. Then I want to see how much phosphates come out. Is this experiment possible?

See entire post
by ArcaneIllumination
Sun Dec 09, 2012 5:25 pm
 
Forum: Ecology
Topic: Experiment on weathering
Replies: 1
Views: 1213

Re: Tips for staining (light microscopy)

... for each stain. However, in some industries like wastewater treatment, the time standards are different. Wastewater Gram stains typically stain Crystal Violet and Gram's Iodine for 2 minutes, and Safranin counter-stain for 30 seconds. 3) I have no input on this subject, except to say that the ...

See entire post
by PsycoCarrot
Fri Jul 06, 2012 11:03 pm
 
Forum: Microbiology
Topic: Tips for staining (light microscopy)
Replies: 3
Views: 3459

Brewer's yeast (Saccharomyces cerevisiae)

... with my compost. May I know what are the methods that I can use to dry them without affecting their properties? Thank you for your time. Regards, Crystal Cheah

See entire post
by crystal2012
Fri Feb 10, 2012 6:42 am
 
Forum: General Discussion
Topic: Brewer's yeast (Saccharomyces cerevisiae)
Replies: 0
Views: 649
View all matching forum results

This page was last modified 21:16, 3 October 2005. This page has been accessed 5,247 times. 
What links here | Related changes | Permanent link