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CAS No.: 875756-97-1

Hoechst 33342 3HCl

Hoechst 33342 3HCl is a widely used nucleic acid stain which can bind to minor-groove of dsDNA and emit blue fluorescence.

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描述

Hoechst 33342 3HCl is a widely used nucleic acid stain which can bind to minor-groove of dsDNA and emit blue fluorescence.

保存条件

The solid could be stored in dark at -20 ℃. The stock solution should be stored at 4°C in the dark for up to 6 months.

使用方法

Make a stock solution of Hoechst 33342 at 1 mg/ml in ddH2O. The stock solution can be stored at 4°C in the dark for up to 6 months For cell suspension 1. Incubate cell suspensions (0.5-2.0 × 106 cells/ml, in PBS) with Hoechst 33342 working solution at 1-10 μg/mL for 10 min. Usually the concentration of working solution at 1 μg/mL is enough (For example, add 1 μL Hoechst 33342 stock solution in 1 mL cell suspension.). Note: Hoechst 33342 can stain nuclei of both live and dead cells. 2. Apply samples to cytospin chambers and centrifuge at 500 rpm for 2 minutes. After air-drying, place glass coverslips over cells to reduce light diffraction (no mounting gel necessary) and observe cells in a fluorescence microscope equipped with a DAPI filter, using a 60X objective.{{Kasibhatla S, Amarante-Mendes GP, Finucane D, Brunner T, Bossy-Wetzel E, Green DR. Staining of suspension cells with Hoechst 33342 to detect apoptosis. CSH Protoc. 2006 Aug 1;2006(3):pdb.prot4492. doi: 1

产品功能

Hoechst 33342 3HCl is a widely used nucleic acid stain which can bind to minor-groove of dsDNA and emit blue fluorescence. It is similar to Hoechst 33258. Hoechst 33342 is excited at 350 nm and emits at 461 nm.

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