All You Need Is A Stick: Plant xylem from the sapwood of coniferous trees can remove 99.9% of bacteria from water by pressure filtration.
Approximately 3 cm3 of sapwood can filter water at the rate of several liters per day, sufficient to meet the clean drinking water needs of one person. The results demonstrate the potential of plant xylem to address the need for pathogen-free drinking water in developing countries and resource-limited settings.
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