Miniaturized all-in-one nanoGIT^+active system for on-surface metabolization, separation and effect imaging

Area of Science:

• Analytical Chemistry
• Biochemistry
• Food Science

Background:

• Identifying enzymatic and metabolic activity conversions in sample components is challenging due to instrumental complexity and bioanalytical effort.
• Current methods require extensive in vitro digestion assays, separation systems, and multiple detectors, hindering comprehensive analysis.

Purpose of the Study:

• To develop a miniaturized, all-in-one system for on-surface metabolization, separation, multi-imaging, and effect-directed detection.
• To demonstrate the system's capability in simulating digestion processes and identifying bioactivity changes.

Main Methods:

• Development of the nanoGIT+active system, integrating all analytical steps onto a single adsorbent surface.
• On-surface metabolization, immediate separation, multi-imaging, and effect-directed detection.
• Verification of results using state-of-the-art in vitro assays.

Main Results:

• The nanoGIT+active system successfully miniaturized and integrated multiple analytical steps.
• Proof-of-concept demonstrated simulation of digestion processes and detected bioactivity changes in food systems.
• Results were easily interpretable through imaging and verified against established methods.

Conclusions:

• The nanoGIT+active system offers a cost- and time-efficient alternative to traditional methods for analyzing activity conversions and metabolization pathways.
• This technology provides new insights for nutritional, health, pharmaceutical science, and drug development.
• The system is particularly beneficial for lean laboratories seeking comprehensive and efficient bioanalytical tools.