Dyes used in molecular biology and biochemistry

Dyes play a crucial role in molecular biology and biochemistry, serving as essential tools for visualizing and analyzing biomolecules.

One of the most commonly used dyes is ethidium bromide, which intercalates into DNA and fluoresces under ultraviolet (UV) light, making it ideal for visualizing DNA in agarose gel electrophoresis.

Alphagen EtBr Destroyer Sprayer & bag | APEBD 002


Another important dye is Coomassie Brilliant Blue, used for staining proteins in polyacrylamide gels. This dye binds to proteins through ionic and hydrophobic interactions, enabling the visualization of protein bands.

Coomassie Blue


Fluorescent dyes, such as SYBR Green and SYBR Gold, are also widely used for nucleic acid staining and offer high sensitivity and specificity.


ig SYBR Green qPCR 2X Master Mix

Additionally, fluorescent protein dyes, like Alexa Fluor and CyDyes, are used for labeling proteins and studying protein-protein interactions. These dyes, along with others like fluorescein and rhodamine, are essential tools for researchers in molecular biology and biochemistry, enabling them to visualize and analyze biomolecules with high sensitivity and precision.