loading buffer造句
例句與造句
- Since EtBr stained DNA is not visible in natural light, scientists mix DNA with negatively charged "'loading buffers "'before adding the mixture to the gel.
- Xylene cyanol and Bromophenol blue are common dyes found in loading buffers; they run about the same speed as DNA fragments that are 5000 bp and 300 bp in length respectively, but the precise position varies with percentage of the gel.
- Loading buffers are useful because they are visible in natural light ( as opposed to UV light for EtBr stained DNA ), and they co-sediment with DNA ( meaning they move at the same speed as DNA of a certain length ).
- A drawback of this system is that these pH values may promote disulfide bond formation between cysteine residues in the proteins because the pKa of cysteine ranges from 8-9 and because reducing agent present in the loading buffer doesn't co-migrate with the proteins.
- It's difficult to find loading buffer in a sentence. 用loading buffer造句挺難的