da Costa Silva, Raquel Gomes <br/><br/>
Sol-gel molecular imprinted ormosil for solid-phase extraction of methylxanthines.  [electronic resource] 

 -  Journal of chromatography. A  May 2006 
 - 216-23 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0021-9673 
<br/><br/><label>Standard No.: </label>10.1016/j.chroma.2006.03.073  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chromatography, High Pressure Liquid--methods<br/>Phase Transition<br/>Sensitivity and Specificity<br/>Siloxanes--chemistry<br/>Spectrophotometry, Infrared<br/>Ultraviolet Rays<br/>Xanthines--isolation & purification