Gsafe Red plus (10000× in ddH₂O)

Gum dyeing method (front dyeing method) (used in the same way as EB)
1. Prepare the agarose gel as usual, add concentrated 10000X Gsafe Red Plus to make the final concentration in the gel 1X Gsafe Red (for example, prepare 100ml gel, add dye 5μl-10μl, the dosage can be adjusted according to the actual situation) , Shake gently and pour the glue.
2. Because it is very sensitive, the amount of DNA marker loading in the electrophoresis process only needs 1-2ul instead of 5ul in EB electrophoresis. Please strictly control the amount of DNA marker loading.
3. Electrophoresis according to conventional methods and observe the results.
 
Bubble dyeing method (post dyeing method, the specific method is shown on the back)
1. Perform electrophoresis in accordance with conventional methods.
2. Dilute 10000X Gsafe Red Plus concentrate with dH2O about 3300 times to 0.1M NaCl to make 3X staining solution. (For example, add 15μl of 10000X Gsafe Red Plus concentrate and 5ml of 1M NaCl to 45ml of dH2O).
3. Carefully place the gel in a suitable container and slowly add enough 3X staining solution to submerge the gel. Shake at room temperature for about 10-30 minutes. The optimal staining time varies slightly depending on the thickness of the gel and the concentration of agarose. For 3.5-10% acrylamide glue, the dyeing time is usually between 30min and 1 hour. Then observe the results.

Appendix: Standard operating procedures for post-dyeing gum
After the nucleic acid electrophoresis, the stained gel is more and more accepted and adopted by the laboratory because the pollution area is small and the pollution operation is controllable.
 
Standard operating procedure (take 100ml 1% agarose as an example):
1. Weigh 1g agarose, measure 100ml 1xTAE (or 1x TBE) electrophoresis buffer, and pour into a triangular flask in turn.
2. Boiling the gelatin in the microwave oven causes the agarose to completely melt.
3. Take it out and let it stand for 5 minutes. After the temperature of the glue drops to 50 degrees, pour the glue into the mold.
4. After 20 minutes, when the glue is completely formed, take it out and put it into the electrophoresis tank.
5. Mix PCR products or other DNA samples with the loading buffer and load one by one.
6. Electrophoresis for 20-30 minutes. According to the position of bromophenol blue, determine the appropriate time for electrophoresis and stop electrophoresis.
7. Put the gel after the electrophoresis into the liquid containing the dye, and dye the gel for 10 minutes (if the gel thickness is extended for a reasonable period of time).
8. Take out the glue and put it into the glue scanner to observe the result.

Dyeing liquid configuration: 180ml dH2O, add 20ml 1M NaCl, and then add 10000x Gsafe Red Plus concentrated liquid 60ul.
Use of glue solution: The configured glue solution can be reused many times until the glue strength is very low and then reconfigured.