特記事項（精製）Chromatographically purified through gel filtration columns.
This product is a newly developed ultra small gold immunoprobe. It is stable to wide ranges of pH and ionic strength. It is not radioactive or carcinogenic. Normal methologies may be used successfully with this product. The concentration of antibody and gold is similar to other commmercial preparations of colloidal gold antibodies. Therefore similar dilutions and blocking agents are appropriate.