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. Author manuscript; available in PMC: 2008 Aug 23.
Published in final edited form as: Biochemistry. 2006 Jan 10;45(1):94–101. doi: 10.1021/bi052015l

Figure 2.

Figure 2

Quantum dot bead-based assay. After deacetylation with SIRT1, beads are washed and free lysyl amines are biotinylated. Next, the beads are blocked from nonspecific binding with a BSA solution and incubated with quantum dots (red sphere). Finally, the beads are sorted with a COPAS instrument.