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GelRed
Другие языки:

GelRed

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GelRed
GelRed chemical structure.png
Names
Preferred IUPAC name
5,5′-(6,22-Dioxo-11,14,17-trioxa-7,21-diazaheptacosane-1,27-diyl)bis(3,8-diamino-6-phenylphenanthridin-5-ium) diiodide
Other names
Dye No. 35, ET-27
Identifiers
3D model (JSmol)
PubChem CID
  • InChI=1S/C60H70N8O5.2HI/c61-45-21-25-49-51-27-23-47(63)41-55(51)67(59(53(49)39-45)43-15-5-1-6-16-43)31-11-3-9-19-57(69)65-29-13-33-71-35-37-73-38-36-72-34-14-30-66-58(70)20-10-4-12-32-68-56-42-48(64)24-28-52(56)50-26-22-46(62)40-54(50)60(68)44-17-7-2-8-18-44;;/h1-2,5-8,15-18,21-28,39-42,63-64H,3-4,9-14,19-20,29-38,61-62H2,(H2,65,66,69,70);2*1H
    Key: JGBUYEVOKHLFID-UHFFFAOYSA-N
  • c1ccccc1-c2c3cc(N)ccc3c4ccc(N)cc4[n+]2CCCCCC(=O)NCCCOCCOCCOCCCNC(=O)CCCCC[n+]5c6cc(N)ccc6c7ccc(N)cc7c5-c8ccccc8.[I-].[I-]
Properties
C60H72I2N8O5
Molar mass 1239.07 g/mol
Hazards
NFPA 704 (fire diamond)
0
0
0
Flash point > 100 °C (212 °F; 373 K)
Safety data sheet (SDS) 10,000X in water, Biotium Inc.
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

GelRed is an intercalating nucleic acid stain used in molecular genetics for agarose gel DNA electrophoresis. GelRed structurally consists of two ethidium subunits that are bridged by a linear oxygenated spacer.

GelRed is a fluorophore, and its optical properties are essentially identical to those of ethidium bromide. When exposed to ultraviolet light, it fluoresces with an orange color that strongly intensifies after binding to DNA. The substance is marketed as a less toxic and more sensitive alternative to ethidium bromide. GelRed is sold as a solution in anhydrous DMSO or ultrapurified water. GelRed is unable to cross cell membranes.

See also


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