Upcycling fish scales through heating for steganography and Rhodamine B adsorption application

Area of Science:

• Materials Science
• Biotechnology
• Environmental Science

Background:

• Sustainable waste material reuse is crucial for resource management.
• Fish scales, a bio-compatible waste material, are underutilized.
• Limited research exists on the fluorescence properties of fish scales.

Purpose of the Study:

• To explore the potential of fish scales as a multifunctional material.
• To engineer defects in fish scales to induce and control fluorescence.
• To assess their efficacy in pollutant removal and data steganography.

Main Methods:

• Controlled denaturation of fish scale collagen.
• Introduction of defects to modify material properties.
• Testing fluorescence for data encoding (text and images).
• Evaluating Rhodamine B pollutant removal efficiency and kinetics.

Main Results:

• Engineered fish scales exhibit controllable fluorescence properties.
• Demonstrated potential for macroscopic and microscopic data steganography.
• Achieved 91% Rhodamine B pollutant removal in 10 minutes.
• Increased adsorption sites due to induced defects.

Conclusions:

• Fish scales can be transformed into multifunctional materials through defect engineering.
• Potential applications include bio-compatible fluorescence probes and environmental remediation.
• Highlights the value of overlooked waste resources for advanced applications.