div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader030fdocumentsinreader030viewer20220204055750688e1a28ab0f07b0b2b7html5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: Continuous beds: high-resolving cost-effective chromatographic matrices src=https:reader030fdocumentsinreader030viewer20220204055750688e1a28ab0f07b0b2b7html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divp© 1992 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader030fdocumentsinreader030viewer20220204055750688e1a28ab0f07b0b2b7html5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: Continuous beds: high-resolving cost-effective chromatographic matrices src=https:reader030fdocumentsinreader030viewer20220204055750688e1a28ab0f07b0b2b7html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divp© 1992 Nature Publishing Grouppdiv