https://www.nanosit.eu/en/ nanosit - Colloidal Gold en-gb Tue, 19 May 2026 00:35:11 +0200 https://www.nanosit.eu/en/colloidal-gold-history-production-and-application https://www.nanosit.eu/en/colloidal-gold-history-production-and-application The use of gold in medicine and for health purposes dates back thousands of years. The Egyptians, the Chinese, and other ancient cultures believed that gold has special healing powers. In the 19th century, colloidal gold was used by physicians to treat conditions such as depre... Colloidal Gold Tue, 02 May 2023 09:45:00 +0200