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Phase contrast

phase contrast

(Science: microscopy) An optical method devised by F. Zernike for converting the focused image of a phase object (one with differences in refractive index or optical path but not in absorbance), which ordinarily is not visible in focus, into an image with good contrast.


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help....?!!!!

... I need information about these topics: 1-Fluorescence microscop. 2-Phase-contrast microscope. 3-Differential-interferance-contrast (Normaski) microscope. 4-confocal ...

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by pharma623
Sat Nov 05, 2011 8:34 am
 
Forum: General Discussion
Topic: help....?!!!!
Replies: 2
Views: 491

Alternation of generation

... haploid organism, each giving rise to the other. This is in contrast to animals, in which the only multicellular phase is the diploid organism (such as the human man or woman), whereas the haploid phase is ...

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by kika
Tue Aug 02, 2011 10:36 am
 
Forum: Botany Discussion
Topic: Alternation of generation
Replies: 8
Views: 13126

sporulation in Bacillus

... trying to count the sporulation efficiency in my B.pumilus mutants by phase contrast microscopy as well with counting on normal LB agar plate ( after heat shock at 80deg ...

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by praveen127
Thu Oct 07, 2010 3:08 pm
 
Forum: Microbiology
Topic: sporulation in Bacillus
Replies: 1
Views: 1539

Re: Flagellum Motor:Is this Scientific?

... and that these mutations caused parallel phenotypic changes.... In contrast to their fitness-enhancing effect in the environment where they ... Moreover, one mutation reduced fitness during prolonged stationary phase. Therefore, alteration of the PBP2 concentration contributed to physiological ...

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by AFJ
Sun Jun 28, 2009 6:17 am
 
Forum: Evolution
Topic: Flagellum Motor:Is this Scientific?
Replies: 15
Views: 14920

Egg Yolk Coacervates & pH Imaging

... would be comparable to what goes for almost $1000 on ebay because of phase contrast being added. I also have research diffraction grating and front surface mirror lenses ...

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by GaryGaulin
Tue Mar 03, 2009 3:02 pm
 
Forum: General Discussion
Topic: Egg Yolk Coacervates & pH Imaging
Replies: 0
Views: 3185
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