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  _  _      ___      _____     ______    _  _   
 | \| ||   / _ \\   / ____||  /_   _//  | \| || 
 |  ' ||  | / \ || / //---`'   -| ||-   |  ' || 
 | .  ||  | \_/ || \ \\___     _| ||_   | .  || 
 |_|\_||   \___//   \_____||  /_____//  |_|\_|| 
 `-` -`    `---`     `----`   `-----`   `-` -`

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Text this: Polypyrrole nanospheres with magnetic and cell-targeting capabilities