Topic: Negative Staining
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How to Make a Negative Stain
Begin with a drop of acidic stain at one end of a clean slide. Aseptically add organisms and emulsify with a loop. Do not over-inoculate and avoid spattering the mixture. Sterilize the loop after emulsifying. When the drop flows across the ... Read More »
Source: http://www.ehow.com/how_5680204_make-negative-stain.html
What is negative staining?
To heighten the contrast between viruses and the background, use is made of electron-dense "stains". These are usually compounds of heavy metals of high atomic number, that serve to scatter the electrons from regions covered with the stain.... Read More »
Source: http://wiki.answers.com/Q/What_is_negative_staining
What are the principle of negative staining?
be careful in the lab Read More »
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Negative Staining
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Answers to Other Common Questions
It is a staining technique that uses a dye to stain the background but not the cell. and are used to demonstrate bacterial capsule.
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Source: http://wiki.answers.com/Q/What_is_a_negative_stain
Since heat fixation is not required and cells are not subjected to the distorting effects of chemicals and heat, their natural size and shape can be seen. Also, it makes it possible to view hard to stain bacteria such as spirilli.
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Source: http://wiki.answers.com/Q/What_are_the_advantages_of_negative_sta...
In negative staining, a heavy, amorphous and non-reactive stain solution such as uranyl formate or silver nitrate is adhered to a biological sample on a piece of support film. The stain creates a dark, uniform background on the support film...
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Source: http://www.ehow.com/how_6775243_do-negative-stain-electron-micros...
Negative staining does not change the chemical structures within cells, it simply outlines the cell structure allowing the cell to be viewed easier.
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The negative staining techniques uses a dye solution in which the chromogen is acidic and carries a negative charge. (An acidic chromogen gives up a hydrogen ion, which leaves it with a negative charge.) The negative charge on the bacterial...
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Source: http://wiki.answers.com/Q/How_does_the_negative_stain_work
Nigrosin is used.
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Source: http://wiki.answers.com/Q/What_stain_is_used_in_a_negative_stain
