Silver-nano washing machines can effectively kill germs hidden in dirty laundry; scientists suspect they are probably toxic to human cells and other organisms. Joint research by Korea University and the Korea Institute of Science and Technology has uncovered why silver nanoparticles are so effective and efficient in killing germs. Their findings have led to worries that the microbe particles can damage cells of animals and plants exposed to them. Silver has been widely recognized as an antiseptic metal. Based on that, ancient Greeks used to store drinking water in silver vessels, and Koreans have preferred silver chopsticks all through the ages. The study is

raising an alarm with Korean companies such as Samsung Electronics, which has been promoting its “Silver Nano Health System” washers and air conditioners.

The U.S. government is to ban sale of such products from next year whether they fail to supply evidence of its safety. But the South Korean government said that it has no plans to regulate the products. Firms like Samsung and LG Electronics started from the concept that silver-nanoparticles kill bacteria and they actually do. But scientists are still unsure of whether they are safe for humans. that field of research is still at a very rudimentary stage.

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