- Производитель:
- Roche
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product is designed as a safer chemical. The DIG System was established as a sensitive and cost-effective alternative to radioactivity for the labeling and detection of nucleic acids. There are many available publications that prove the versatility of the DIG System, so use of radio-labeling is no longer the only option for labeling of DNA for hybridization.
Specificity
Heat inactivation: Stop the reaction by adding 2 µl 0.2 M EDTA (pH 8.0) and/or by heating to 65 °C for 10 minutes.
- in Southern blots
- in northern blots
- in dot/slot blots
- for screening of gene libraries
- in In situ hybridizations
Features and Benefits
DIG-High Prime guarantees efficient labeling of:
- DNA amounts ranging from 10ng to 3µg in a standard reaction.
- DNA of different lengths ranging from small restriction fragments to or cosmid DNA.
- DNA, supercoiled or linearized.
- DNA in low melting-point agarose.
Labeling efficiency:
A standard labeling reaction with 1µg template yields 0.8µg newly synthesized digoxigenin-labeled DNA after 1 hour, and 2µg after a 20-hour incubation at +37°C.
Contents
5x concentrated random primer mix: 1U/ µl Klenow polymerase, labeling grade, 1mM dATP, 1mM dCTP, 1mM dGTP, 0.65mM dTTP, 0.35mM DIG-11-dUTP, alkali labile in 50% (v/v) glycerol.
Quality
Function test:
In a standard assay with 1µg linearized pBR 328, 0.8µg of DIG-labeled DNA is synthesized after 1 hour, and 2.3µg after 20 hours. When this labeled DNA is used for hybridization at a concentration of 20ng/ml, 0.03pg homologous DNA are detected by chemiluminescence with the anti-DIG-alkaline phosphatase conjugate and CSPD on a dot or Southern blot.
Principle
DIG-labeled DNA probes are generated with DIG-High Prime according to the random-primed labeling technique. DIG-High Prime is a specifically developed reaction mixture containing Digoxigenin-11-dUTP and all reagents necessary for random-primed labeling, including Klenow enzyme, premixed in an optimized 5x concentrated reaction buffer in 50% glycerol.
Preparation Note
DIG-labeled probes in the reaction mix or in the hybridization buffer are stable for more than 12 months stored at -15 to -25°C. They can be reused several times if freshly denatured before use.
Assay Time: 80 minutes
Sample Materials
- DNA fragments of at least 100bp
- Linearized plasmid, cosmid or DNA
- Supercoiled DNA
- Or minimal amounts of DNA (10ng), e.g., DNA restriction fragments isolated from gels or in molten agarose
Note: To obtain optimal results, template DNA should be linearized and should have a size of = 100bp or larger. Template DNA > 5kb should be restriction-digested using a 4bp cutter prior to labeling.
form | solution |
Quality Level | 100, |
usage | sufficient for 40 labeling reactions |
packaging | pkg of 160 µL |
Торговая марка | Roche |
greener alternative product characteristics | Designing Safer Chemicals Learn more about the Principles of Green Chemistry,. |
shipped in | dry ice |
storage temp. | 20°C |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point F | No data available |
Flash Point C | No data available |
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