Product Application
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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.