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loading buffer造句

"loading buffer"是什么意思   

例句與造句

  1. 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.
  2. 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.
  3. 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 ).
  4. 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.
  5. It's difficult to find loading buffer in a sentence. 用loading buffer造句挺難的

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