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    ___     / _ \\  |  __ \\    / _ \\   / ____|| 
   /   ||  | / \ || | |  \ ||  / //\ \\ / //---`' 
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    -|_||   `---`    -----`   `-`   `-`   `----`  
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Text this: Fast and simultaneous detection of heavy metals using a simple and reliable microchip-electrochemistry route: An alternative approach to food analysis