Biodegradable Quantum Dots: Fungi-Based Tech Revolutionizing Medical Imaging

Belgian researchers at the University of Ghent have developed biodegradable quantum dots using enzymes from oyster mushrooms, as published in Advanced Sustainable Systems (2023). This breakthrough addresses the toxicity issues associated with traditional quantum dots, which contain heavy metals such as cadmium and lead. The fungal-derived quantum dots, measuring 2-5 nanometers in diameter, exhibit excellent photoluminescence properties with quantum yields exceeding 60%, comparable to those of conventional semiconductor quantum dots. Unlike their toxic counterparts, these biodegradable alternatives break down into simple sugars and amino acids within 72 hours. Already used in clinical trials for lymphatic imaging, they show promise for detecting cancer cells, neurological applications, and environmental remediation. The technology represents a cross-disciplinary triumph, combining mycology and quantum physics to create sustainable nanotechnology that's 40% cheaper to produce than traditional methods. This innovation has been secured by Belgian startup Myco-Quantum, which has raised €12.5 million to commercialize it.

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