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100 bp DNA Ladder | Biotium

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100 bp DNA Ladder

This item has been discontinued. Please click to see alternative products.

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Product Description

This item has been discontinued. Please see the following alternative products:

100 bp DNA Ladder in TE Buffer (31040)

Ready-to-Use 100 bp DNA Ladder (31032)

Please note that 100 bp DNA Ladder in TE Buffer (31040) contains a different assortment of band sizes than the discontinued 100 bp DNA Ladder (31031). Ready-to-Use 100 bp DNA Ladder (31032) contains the same assortment of band sizes as the discontinued 100 bp DNA Ladder (31031).

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Support & Faq

GelRed® and GelGreen® Nucleic Acid Gel Stains

The main difference between GelRed® and GelGreen® is their fluorescence excitation and emission wavelengths. GelRed® has red fluorescence, similar to ethidium bromide. GelGreen® has green fluorescence, similar to SYBR® Green or SYBR® Safe. Both dyes are compatible with standard UV transilluminators. GelGreen® is also compatible with blue light transilluminators, which allow users to avoid exposing themselves and their DNA samples to ultraviolet radiation.

GelRed® and GelGreen® have higher sensitivity for double stranded nucleic acids compared to single stranded nucleic acids, but GelRed® is more sensitive for staining single stranded nucleic acids than GelGreen®. GelRed® is about twice as sensitive for double stranded nucleic acids compared to single-stranded nucleic acids, and about five times more sensitive than GelGreen® for staining single stranded nucleic acids.

For more information about these products, please visit our DNA stains technology page.

View the GelRed® Product Line

View the GelGreen® Product Line

Category: GelRed® and GelGreen® Nucleic Acid Gel Stains

← FAQs

The water formulation is a newer and improved product compared to the stock in DMSO. We recommend using dyes in water to avoid the potential hazards of handling DMSO, which can be absorbed through the skin. We continue to offer dyes in DMSO because some users do not wish to alter their established laboratory protocols. Based on internal testing, both formulations perform similarly.

Category: GelRed® and GelGreen® Nucleic Acid Gel Stains

← FAQs

GelRed® is compatible with a standard UV transilluminator (302 or 312 nm).
GelGreen® has sufficient absorption between 250-300 nm and a strong absorption peak at around 500 nm. GelGreen® is compatible with a 254 nm UV transilluminator or a gel reader with visible light excitation such as a Dark Reader or a 488 nm laser gel scanner.

Category: GelRed® and GelGreen® Nucleic Acid Gel Stains

← FAQs

← FAQs

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Shipping/Shelf-life

Shipping & Handling Disclaimer: Shipping and handling methods are calculated based on item temperature storage recommendation. Large, multi-item orders may be assessed additional fees. Shipping to Puerto Rico may be assessed additional fees. A Biotium customer service representative will contact you if additional fees are required. For expedited shipping, please request in the Order Notes section of the checkout page. Please note that products with recommended storage at 4°C or -20°C may ship at ambient temperature. This will not affect product performance. When you receive the product, place it under the recommended storage conditions.