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. 2020 Dec 8;2(1):94–150. doi: 10.1039/d0cb00136h

Half-life evaluations of different ODN in FCS and human serum160.

ODN (5′ → 3′)a t 1/2
FCS Human serum
d(TCCAGTGATTTTTTTCTCCAT) <5 min ∼3 h
d(TPSCPSCPSAPSGPSTPSGPSAPSTPSTPS-TPSTPSTPSTPSTPSCPSTPSCPSCPSAPST) ∼4 h >7 d
d(TCCAGTGATTTTTTTCTCCNPANPT) ∼4 h >7 d
d(TNPCNPCAGTGATTTTTTTCTCCAT) <5 min ∼3 h
d(TCCAGTGATTTTTTTCTCCA3′-3′POT ∼4 h >7 d
d(TCCAGTGATTTTTTTCTCCA3′-3′NPT ∼4 h >7 d
a

PS and NP refer to the phosphorothioate and MEA phosphoramidate internucleoside linkages respectively.