Chemists create the brightest-ever fluorescent materials

By formulating positively charged fluorescent dyes into a new class of materials called small-molecule ionic isolation lattices (SMILES), a compound's brilliant glow can be seamlessly transferred to a solid, crystalline state, ...

Gentler, safer hair dye based on synthetic melanin

With the coronavirus pandemic temporarily shuttering hair salons, many clients are appreciating—and missing—using hair dye to cover up grays or touch up roots. Whether done at a salon or at home, frequent coloring, however, ...

Inexpensive, portable detector identifies pathogens in minutes

Most viral test kits rely on labor- and time-intensive laboratory preparation and analysis techniques; for example, tests for the novel coronavirus can take days to detect the virus from nasal swabs. Now, researchers have ...

Medieval blue dye's molecular structure identified

A team of researchers affiliated with several institutions in Portugal has identified the molecular structure of folium, a blue watercolor dye used by medieval artists and book publishers. In their paper published in the ...

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