Double protein directed synthesis of chemically etched sulfur doped quantum dots for signal “on–off–on” sensing of glutathione mediated by copper ions
Ashraf M. Mahmoud, Mater H. Mahnashi, Mohamed M. El‐Wekil
Abstract
system was successfully applied for the detection of GSH in different matrices such as dietary supplements, human serum, and vegetable extract samples. The as-fabricated probe holds great potential for the synthesis of other functionalized SQ-dots for (bio) sensing.
Topics & Concepts
Quantum dotGlutathioneFluorescenceQuenching (fluorescence)ChemistryDetection limitBovine serum albuminCopperPhotochemistrySulfurIonThiolMetal ions in aqueous solutionAnalytical Chemistry (journal)Materials scienceNanotechnologyChromatographyBiochemistryOrganic chemistryEnzymeQuantum mechanicsPhysicsSulfur Compounds in BiologyCarbon and Quantum Dots ApplicationsNanocluster Synthesis and Applications