Cover image for Vol. 17 Issue 12

Editor: Meghan Campbell; Editorial Board Chairs: Thomas Carell, Donald Hilvert, Barbara Imperiali

Online ISSN: 1439-7633

Associated Title(s): ChemCatChem, ChemMedChem, ChemPhysChem, ChemSusChem

Cover Picture: Two-Dimensional Multiarray Formation of Hepatocyte Spheroids on a Microfabricated PEG-Brush Surface (ChemBioChem 6/2004)

5_06/2004The cover picture shows a simple and effective way to construct a 2D microarray of 10 000 hepatocyte heterospheroids, underlaid with endothelial cells, through a combination of surface PEG treatment and subsequent microfabrication of plasma etching. The micropatterned PEG-treated region works to repel proteins and consequently inhibits cell adhesion, while the glass circular domains (Ø=100 μm), separated by PEG-treated regions (l=100 μm), provide cell adhesive regions. This spheroid array is very useful as a platform for tissue and cell-based biosensors, which can be used as an alternative to animal experiments in a variety of situations. For more details, see the article by Kataoka et al. on p. 850 ff.

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