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            _____                ___      _  _   
  ____     |  ___||   ____      / _ \\   | \| || 
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 | [] ||   | ||__    | [] ||   | \_/ ||  | .  || 
 |  __//   |_____||  |  __//    \___//   |_|\_|| 
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 `-`                 `-`

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Text this: Ultrafine Bi<inf>2</inf>WO<inf>6</inf> nanoparticles prepared by flame spray pyrolysis for selective acetone gas-sensing