Waste-driven single crystalline sulphur-doped GQDs are synthesized via a green hydrothermal route with the highest quantum yield and excellent biocompatibility for bioimaging.

Nitrogen doped graphene nanosheets (NGS) were synthesized from carbon nanosheets (CNS). The as-synthesized NGS were employed to selectively detect dopamine (DA) and uric acid (UA) with enhanced electrocatalytic activity.

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Hydrogel nanotubes with ice helices entrapped within their internal conduits are a promising material for diabetic wound healing.

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