Related Experiment Video
Updated: Apr 26, 2026

Simultaneous Measurement of Superoxide/Hydrogen Peroxide and NADH Production by Flavin-containing Mitochondrial Dehydrogenases
Published on: February 24, 2018
Redox-based selective fluorometric detection of homocysteine
Hanjing Peng1, Ke Wang, Chaofeng Dai
1Department of Chemistry and the Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, USA. wang@gsu.edu.
Researchers developed a new fluorescent probe to detect plasma homocysteine (Hcy), a key disease risk factor. This probe allows for accurate Hcy measurement in both buffer and plasma samples.
Area of Science:
- Biochemistry
- Analytical Chemistry
- Medical Diagnostics
Background:
- Elevated plasma homocysteine (Hcy) is linked to various pathological conditions.
- Accurate detection of Hcy is crucial for disease risk assessment and management.
Purpose of the Study:
- To develop a novel redox-sensitive fluorescent probe for selective homocysteine detection.
- To enable quantitative determination of Hcy in biological media.
Main Methods:
- Synthesis of a novel redox-sensitive fluorescent probe.
- Validation of probe selectivity for homocysteine.
- Quantitative analysis using fluorescence spectroscopy in buffer and plasma.
Main Results:
- The developed probe exhibits high selectivity for homocysteine.
- A linear calibration curve was achieved for Hcy quantification.
- Successful quantitative determination of Hcy in both buffer and plasma samples.
Conclusions:
- The novel fluorescent probe offers a reliable method for selective and quantitative detection of plasma homocysteine.
- This tool can aid in the assessment of Hcy-related disease risks.
More Related Videos
04:53Detection of Total Reactive Oxygen Species in Adherent Cells by 2',7'-Dichlorodihydrofluorescein Diacetate Staining
Published on: June 23, 2020
06:10Assessment of Cellular Oxidation using a Subcellular Compartment-Specific Redox-Sensitive Green Fluorescent Protein
Published on: June 18, 2020