div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader042fdocumentsusreader042viewer20220305005aac86727f8b9aa9488d1fe4html5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: PS2pdfet al 1991 or FC Fischer et al 1991 by different Sigma St Louis USA 60 — 80 nm were prepared Mith src=https:reader042fdocumentsusreader042viewer20220305005aac86727f8b9aa9488d1fe4html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader042fdocumentsusreader042viewer20220305005aac86727f8b9aa9488d1fe4html5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: PS2pdfet al 1991 or FC Fischer et al 1991 by different Sigma St Louis USA 60 — 80 nm were prepared Mith src=https:reader042fdocumentsusreader042viewer20220305005aac86727f8b9aa9488d1fe4html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 3button div class=trans-image a href=https:reader042fdocumentsusreader042viewer20220305005aac86727f8b9aa9488d1fe4html5page3jpg target=_blank amp-img class=trans-thumb alt=Page 3: PS2pdfet al 1991 or FC Fischer et al 1991 by different Sigma St Louis USA 60 — 80 nm were prepared Mith src=https:reader042fdocumentsusreader042viewer20220305005aac86727f8b9aa9488d1fe4html5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 4button div class=trans-image a href=https:reader042fdocumentsusreader042viewer20220305005aac86727f8b9aa9488d1fe4html5page4jpg target=_blank amp-img class=trans-thumb alt=Page 4: PS2pdfet al 1991 or FC Fischer et al 1991 by different Sigma St Louis USA 60 — 80 nm were prepared Mith src=https:reader042fdocumentsusreader042viewer20220305005aac86727f8b9aa9488d1fe4html5thumbnails4jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 5button div class=trans-image a...