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

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Text this: Monolithic and packed particle materials for in-line pre-concentration in capillary electrophoresis for 4-hydroxy-3-methoxy-methamphetamine and terbutaline