Can anyone give me suggestion how can I get more better picture for capsular polysaccharide from bacteria sample in Light microscopy ?

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Mahmood Alhasso

You can use India ink or nigrosin as basic stain which stains the background of the slide, cells will appear as refractile objects surrounded by capsule (colorless space).

Mary Phillips-Jones

There's a good website (Microbiology online which might also help):

https://microbeonline.com/capsule-stain-principle-procedure-results/