The method used to attach the polyethylenimines to materials is also well known the bonding agent benzophenone has already been used to attach the anti-microbial agent to glass, polymer, paper, and metal.

FORBES: New Antibacterial Clothing: Secret Ingredient Revealed

Rubs his eyes to shake the dust of these musings, not a dream exactly, this late-sleep panic fine glass thin as paper, shattered and swirling, cutting as it blows away.

NPR: Excerpt: 'Citizen Vince'

Then, about 200 men walk the route wearing half- to full-metre-tall paper bishop hats, lit from within by candles and cut with intricate, stained glass window-like designs featuring Saint Nicholas.

BBC: Strange Santa sightings in Switzerland

The microcapsules can be suspended in a carrier medium, so that they can be screen-printed on to surfaces including glass, plastic, fabric and even paper.

ECONOMIST: REPORTS

Newcastle-under-Lyme uses separate containers and bags for refuse, cardboard, plastics, paper, glass and cans, textiles and garden waste.

BBC: 'People are being given too many recycling bins'