Methods in Molecular Biology 2012-01-01

TEMED-enhanced photoluminescent imaging of human serum proteins by quantum dots after PAGE.

Na Na, Jin Ouyang

Index: Methods Mol. Biol. 869 , 511-20, (2012)

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Abstract

Polyacrylamide gel electrophoresis (PAGE) has been one of the most powerful and widely used separation techniques for complex biological samples, whose traditional detection methods include organic dye or silver staining. As a simple, convenient, and ultrasensitive detection of proteins for PAGE, a novel enhanced photoluminescent (PL) imaging method was developed. Thioglycolic acid (TGA)-capped CdTe quantum dots (QDs) and the enhanced reagent of tetramethylethylenediamine (TEMED) are introduced, achieving the direct detection of various proteins in native 1-DE, 2-DE, and SDS gels. Here, we describe the general protocol of TEMED-enhanced PL imaging by QDs, including materials, practical procedures, as well as some notes.

Related Compounds

  • TMEDA
  • Brilliant Blue R2...

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