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. 2005 Jan 7;33(1):27–42. doi: 10.1093/nar/gki142

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© 2005, the authors Nucleic Acids Research, Vol. 33 No. 1 © Oxford University Press 2005; all rights reserved

The online version of this article has been published under an open access model. Users are entitled to use, reproduce, disseminate, or display the open access version of this article for non-commercial purposes provided that: the original authorship is properly and fully attributed; the Journal and Oxford University Press are attributed as the original place of publication with the correct citation details given; if an article is subsequently reproduced or disseminated not in its entirety but only in part or as a derivative work this must be clearly indicated. For commercial re-use permissions, please contact journals.permissions@oupjournals.org.

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Quantitation of internalized fluorescence. Percentage increase in cellular fluorescence over background levels for (left to right) addition of Tat peptide to 2.5 μM conjugate 4, addition of Penetratin peptide to 2.5 μM conjugate 6, compared to 2.5 μM Oligo B alone, 2.5 μM Oligo B with 2 equivalents of Tat peptide or 2 equivalents of Penetratin peptide and 0.5 μM oligo B with transfection agent Lipofectamine 2000.