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           _    _     _____      ___      ____    
  ____    | || | ||  |__  //    / _ \\   |  _ \\  
 |    \\  | || | ||    / //    / //\ \\  | |_| || 
 | [] ||  | \\_/ ||   / //__  |  ___  || | .  //  
 |  __//   \____//   /_____|| |_||  |_|| |_|\_\\  
 |_|`-`     `---`    `-----`  `-`   `-`  `-` --`  
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Text this: Highly sensitive naked eye detection of Iron (III) and H2O2 using poly-(tannic acid) (PTA) coated Au nanocomposite