Aluminum-tolerant Protoplasts from Roots Can be Collected with Positively Charged Silica Microbeads: a Method Based on Differences in Surface Negativity 

 -  Plant & Cell Physiology, 36(8), p.1493-1502, 1995 .
<br/><br/> A new technique was developed for the collection of Al-tolerant plant cells. The procedure takes advantage of the difference in surface charge between Al-tolerant and Al-sensitive protoplasts. Equal volumes of freshly prepared, positively charged silica microbeads (0.05 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ALUMINUM (AL)TOLERANCE<br/>POSITIVELY CHARGED SILICA MICROBEADS<br/>PROTOPLAST<br/>SURFACE NEGATIVITY.