DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of Cellulose fibres in facial tissue (Kleenex). Kleenex is a brand name of facial tissue that is registered trademark of the Kimberly-Clark Corporation. Kleenex is made from what was originally called, Cellucotton, and was first produced during World War I. It is primarily made of specially treated cellulose (wood) fibres that are biodegradable. It was used in gas mask filters during the war and as a replacement for cotton due to high demand for use as a surgical dressing. Magnification: x80 when shortest axis printed at 25 millimetres.
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