TY - JOUR A1 - Hennig, Andreas A1 - Hoffmann, Angelika A1 - Borcherding, H. A1 - Thiele, T. A1 - Schedler, U. A1 - Resch-Genger, Ute T1 - Quantification of surface functional groups on polymer microspheres by supramolecular host-guest interactions T2 - Chemical communications N2 - We introduce a method to determine the number of accessible functional groups on a polymer microsphere surface based on the interaction between the macrocyclic host cucurbit[7]uril (CB7) and a guest reacted to the microsphere surface. After centrifugation, CB7 in the supernatant is quantified by addition of a fluorescent dye. The difference between added and detected CB7 affords the number of accessible surface functional groups. PB - Royal Society of Chemistry CY - Cambridge KW - Cucurbituril KW - Acridine orange KW - Fluorescence KW - Polymer surface KW - Surface modification KW - Quantification PY - 2011 UR - https://opus4.kobv.de/opus4-bam/frontdoor/index/index/docId/24034 AN - OPUS4-24034 SN - 0022-4936 SN - 0009-241x SN - 1359-7345 SN - 1364-548x VL - 47 IS - 27 SP - 7842 EP - 7844 AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany