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E-Gel
™
Power Snap Electrophoresis System User Guide
Nucleic acid stain use in E-Gel
™
agarose gels
SYBR
™
Safe DNA Gel Stain
SYBR
™
Safe DNA gel stain has been specifically developed for reduced mutagenicity, making it
safer than ethidium bromide for staining DNA in agarose gels. The detection sensitivity of E-Gel
™
with SYBR
™
Safe stain is similar to that of E-Gel
™
containing ethidium bromide. DNA bands
stained with SYBR
™
Safe DNA gel stain can be detected by standard UV transillumination, visible-
light transillumination, or laser- scanning.
Safety
features
SYBR
™
Safe DNA gel stain is not classified as hazardous waste under US Federal regulations.
•
Meets the requirements of the Clean Water Act and the National Pollutant Discharge
Elimination System regulations.
•
Does not induce transformations in primary cultures of Syrian hamster embryo (SHE) cells.
•
Does not cause mutations in mouse lymphoma cells at the TK locus, nor does it induce
chromosomal aberrations in cultured human peripheral blood lymphocytes, with or without
S9 metabolic activation.
•
Causes fewer mutations in the standard Ames test compared to ethidium bromide. Weakly
positive results occurred in only four out of seven Salmonella strains, and only with activation
by a mammalian S9 fraction.
•
Produces no signs of mortality or toxicity at a limit dose of 5000 mg/kg from a single oral
administration.
View studies documenting the safety of SYBR
™
Safe in the SYBR
™
Safe White Paper document,
thermofisher.com/content/dam/LifeTech/global/life-sciences/pdfs/494.pdf
Cloning
benefits
By using the blue light transillumination for visualization, DNA damage is dramatically reduced,
thus improving cloning efficiency. For more information, go to:
Disposal
SYBR
™
Safe DNA gel stain is not classified as hazardous waste, but because disposal regulations
vary, please contact your safety office or local municipality for appropriate SYBR
™
Safe disposal in
your community.
Spectrum
Bound to nucleic acids, SYBR
™
Safe stain has fluorescence excitation maxima at 280 and 502 nm,
and an emission maximum at 530 nm (see following figure).
Normalized fluorescence excitation and emission spectra of SYBR
™
Safe DNA gel stain,
determined in the presence of DNA.
Visualization
For quick visualization and documentation of SYBR
™
Safe stained E-Gel
™
agarose gels use E-Gel
™
Power Snap Camera.
Alternatively, use
a blue light transilluminator
or a standard UV transilluminator. The UV
excitation range is not optimal for SYBR Safe stain, therefore gels visualized on UV
transilluminator will provide lower sensitivity.