Words similar to upon

Example sentences for: upon

How can you use “upon” in a sentence? Here are some example sentences to help you improve your vocabulary:

Since the N-terminal prosequence of HsN3 is processed upon assembly into the 20S proteasome, we deleted the prosequence of HsN3 and replaced it with the Flag/T7-epitopes to assure that the epitopes will not be lost due to prosequence-processing.
Earth Day is upon us once again.
USAT describes King upon his condemnation as "unrepentant and smirking," and notes that he is the first white person to face execution for killing a black person in modern Texas history.
Based on the observation that nanoparticulate solutions accumulate in nodal macrophages upon systemic injections [25,26], lymphotropic superparamagnetic preparations have been developed [16].
After PCR amplification with exon-20-specific primers spanning nucleotide 2369, wild-type sequence contains specific NlaIII sites, which upon digestion yield a 106-bp product (see Methods; Figure 3A).