Related Experiment Video
Updated: Jun 27, 2026
09:33
An Anaerobic Biosensor Assay for the Detection of Mercury and Cadmium
Published on: December 17, 2018
A protein-supported fluorescent reagent for the highly-sensitive and selective detection of mercury ions in aqueous
1State Key Lab for Supramolecular Structure and Material, Jilin University, No. 2699, Qianjin Street, Changchun, 130012, China.
Chemical Communications (Cambridge, England)
|December 3, 2008
Abstract:
A fluorescent sensor, dansyl-l-aspartic acid (1), coupled with BSA was used to specifically detect Hg2+ in a neutral aqueous solution as well as in live cells; the fluorescence emission spectrum underwent an obvious blue shift with an enhancement in fluorescence intensity, and these effects were evident as color changes in fluorescence imaging pictures.
Related Concept Videos
01:14Photoluminescence: Applications
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
01:20Immunogold Electron Microscopy
Immunoelectron microscopy utilizes immunogold labeling of endogenous proteins with specific antibodies to detect and localize these proteins in cells and tissues. The procedure provides insights into the distribution and quantification of protein under different stimulation conditions offering clues about their functions. Conjugating highly electron-dense gold particles with primary or secondary antibodies allow antigen detection on and within cells, with high resolution and specificity.