logo
Products
Services
Resources
Selection Guides
About
What is the charge of ethidium bromide?
Posted December 2, 2021
Gel ElectrophoresisNucleusPhysiological ProbesDNA and RNA Quantitation
Answer

Ethidium bromide has a neutral charge in its crystalline form but acquires a positive charge in an aqueous environment. During electrophoresis, positively charged ethidium bromide molecules travel towards the negative electrode

Additional resources
On the electronic structure of ethidiumGelite™ Safe DNA Gel Stain, the Best and Most Robust DNA Gel Stain

How should ethidium bromide be neutralized?What is the difference between ethidium bromide and SYBR Safe?What is the difference between native and denaturing gel electrophoresis?When should ethidium bromide be added to agarose?How should ethidium bromide be stored?