PA–B–H₂O₂@PVA

Saitama chemists cook polyamide microplastics into quantum dots for UV-blocking film

The boron-doped variant blocks 89.1 per cent of UVC at 63.4 per cent visible transparency and slowed weight loss in stored grapes, but the reported results say nothing about how much dot you get per gram of waste, or whether any of it moves into the food.