New detection and separation method for amino acids by high-performance liquid chromatography

Area of Science:

• Analytical Chemistry
• Biochemistry

Background:

• Simultaneous detection of primary and secondary amines is crucial for biochemical analysis.
• Existing methods may lack efficiency or reliability in distinguishing amine types.

Purpose of the Study:

• To develop a simple and efficient system for simultaneous fluorescence detection of primary and secondary amines.
• To optimize reaction conditions and compare different detection methodologies.

Main Methods:

• Investigated optimal conditions for fluorescing secondary amines using a two-stage reaction with sodium hypochlorite and o-phthalaldehyde.
• Compared switching flow and non-switching flow methods for amine detection.
• Applied the developed system to amino acid detection.

Main Results:

• The non-switching flow method demonstrated high efficiency and reliability.
• The developed system provided satisfactory results when applied to amino acid detection.
• Optimized conditions were established for the fluorescence reaction.

Conclusions:

• The non-switching flow method is superior for simultaneous amine detection.
• The developed fluorescence detection system is effective for analyzing amino acids.
• This method offers a reliable approach for amine quantification in biological samples.