Product Notes

The dyes with negative charge are bromophenol blue, orange G and xylene cyanol. ... The comb would be placed near the end of the gel since DNA has a negative charge and will migrate towards the positive electrode only

Bromophenol Blue is a pH indicator dye that turns yellow under acidic conditions.

 Bromophenol Blue has a pI below pH 4.0. 

The concentrated dye solution may have a reddish or greenish cast to the color.

May cause gastrointestinal irritation with nausea, vomiting and diarrhea.

 May be harmful if swallowed. Inhalation: May cause respiratory tract irritation.

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