HPTLC-aptastaining - Innovative protein detection system for high-performance thin-layer chromatography.

Area of Science:

• Analytical Chemistry
• Biochemistry
• Chromatography

Background:

• High-performance thin-layer chromatography (HPTLC) is an underutilized technique for protein analysis.
• Traditional methods like electrophoresis and mass spectrometry have limitations.
• Investigating post-translational modifications and detecting specific proteins like lysozyme requires sensitive and specific methods.

Purpose of the Study:

• To develop a novel aptamer-based staining method for HPTLC protein analysis.
• To demonstrate the applicability and advantages of HPTLC-aptastaining for protein detection.
• To improve sensitivity and specificity in protein analysis compared to universal reagents.

Main Methods:

• Proteins were separated using HPTLC.
• Aptamers were employed as specific staining probes for protein detection on HPTLC plates.
• The developed HPTLC-aptastaining method was validated using lysozyme as a model protein.

Main Results:

• The study successfully demonstrated the feasibility of aptamer-based staining for HPTLC protein analysis for the first time.
• The HPTLC-aptastaining method showed applicability across different stationary phase materials.
• The technique proved capable of semi-quantitative protein concentration estimation.

Conclusions:

• Aptamer-based staining is a versatile and sensitive approach for HPTLC protein analysis.
• This method offers a unique alternative to traditional protein analysis techniques.
• HPTLC-aptastaining has potential for various analytical applications, including food safety and diagnostics.