Labeling-detection

6-FAM [6-Carboxyfluorescein]

$461.00
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  • Cat.Number : AS-81004-1
  • Availability :
    In production

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Although FITC reagents have been more often used to prepare fluorescent bioconjugates, the low stability of FITC bioconjugates makes some researchers use amine-reactive succinimidyl esters of carboxyfluorescein (commonly called FAM) in bioconjugations. FAM reagents generate carboxamides that are more resistant to hydrolysis. We have shown that FAM reagents require less stringent reaction conditions, give better conjugation yields, and the resulted conjugates have superior stability. We noted that FITC labeled peptides tend to deteriorate more quickly than the corresponding FAM conjugates.
6-FAM is a single isomer of carboxyfluorescein. It is mainly used in sequencing of nucleic acids and labeling nucleotides.

Specifications

Chemistry
CAS registry number
  • 3301-79-9
Molecular Formula
  • C21H12O7
Molecular Mass/ Weight
  • 376.3
Properties
Absorbance (nm)
  • 495
Emission (nm)
  • 517
Color
Quantity & Purity
Purity
  • Peak Area by HPLC ≥95%
Storage & stability
Form
  • Lyophilized
Resuspension condition
  • DMF or DMSO
Storage Conditions
  • -20°C Protected from Light
Activity
Application
Detection Method
Research Area
Sub-category Research Area
Usage
  • Research use

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References

A PCR-based assay for the detection of Escherichia coli Shiga-like toxin genes in ground beef

Appl Environ Microbiol . 1996 Jan 01 ; 62(4) 1347 | DOI : https://doi.org/10.1128/aem.62.4.1347-1353.1996 

  • PK Witham
  • et al