Porphyrins, the same molecules that convey oxygen in haemoglobin and absorb light during photosynthesis, can be joined to the material of the future, graphene, to give it new properties. The resulting ...

Photodynamic therapy (PDT) utilises the convergence of light, oxygen and a photosensitizing agent to elicit selective cytotoxicity in target tissues. Porphyrin-based photosensitizers, owing to their ...

A pair of nanorings, one sitting inside the other, fit together like perfectly nested Russian dolls. The structure is not only strikingly beautiful but could offer a useful model for studying energy ...

Natural porphyrins are vital molecules participating in many biological processes. Numerous numbers of porphyrin, metallporphyrin, and their derivatives have been synthesized as catalysts, ...

Anna Christianson, a chemistry professor at Bellarmine University, was wowed by an exciting color change while making a sulfonated porphyrin (tetrakis(4-sulfonatophenyl)porphyrin or TSPP) to use as a ...