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 _    _      ___     ______      ___     __   _   
| |  | ||   / _ \\  |      \\   / _ \\  | || | || 
| |/\| ||  | / \ || |  --  //  / //\ \\ | '--' || 
|  /\  ||  | \_/ || |  --  \\ |  ___  ||| .--. || 
|_// \_||   \___//  |______// |_||  |_|||_|| |_|| 
`-`   `-`   `---`   `------`  `-`   `-` `-`  `-`

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Text this: Universal one-pot, one-step synthesis of core-shell nanocomposites with self-assembled tannic acid shell and their antibacterial and catalytic activities