1Department of Pathology, College of Medicine, National Cheng Kung University, No.1 University Road, Tainan City 701, Taiwan 2Leeds Institute for Molecular Medicine, Section of Experimental Oncology, Cancer Research UK Clinical Centre, St Jame’s University Hospital, Beckett Street, Leeds LS9 7TF, UK 3 Johns Hopkins Medical Institutions, The James Buchanan Brady Urological Institute, 600 N. Wolf...

1563. [2] Chaussidon M. et al. (2002) MAPS, 37, A31. [3] Leya I. et al. (2002) MAPS, 37, A86. [4] Beckett J. et al. (2000) Geochim. Cosmochim. Acta 64, 2519. [5] Simon S. et al. (1996) LPSC XXVII, 1201. [6] Connolly H. et al., (2003) Geochim. Cosmochim. Acta, in press. Figure 1. USNM 3515, Log Scale

A fluorescent, strongly Lewis-acidic borenium cation (Gutmann–Beckett acceptor number >100) was created using a tridentate formazanate ligand. This shows potential utility as colourimetric reactivity probe.