Helix NP NIR

Helix NP NIR from Biolegend is a cell-impermeant nucleic acid stain that can be used to assess viability or DNA content and cell cycle in fixed cells. It has an excitation peak at 635 nm and an emission peak at 654 nm. see less Helix NP NIR from Biolegend is a cell-impermeant nucleic acid stain that can be used to assess viability or DNA content and cell cycle in fixed cells. It has an excitation peak at 635 nm and an emission peak at 654 nm.