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Journal of Sensors
Volume 2016 (2016), Article ID 1905454, 8 pages
http://dx.doi.org/10.1155/2016/1905454
Research Article

Water Soluble Cationic Porphyrin Sensor for Detection of Hg2+, Pb2+, Cd2+, and Cu2+

Department of Chemistry and Biochemistry, Stephen F. Austin State University, Nacogdoches, TX 75962, USA

Received 8 March 2016; Accepted 17 April 2016

Academic Editor: Sher Bahadar Khan

Copyright © 2016 Matibur Zamadar et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Supplementary Material

The supplementary material contains absorption spectra of cationic porphyrin 1 with various metal bivalent cations. It also demonstrates how the absorption of 1 changes when two toxic metal cations added into it. It also showed the how the absorption of 1 changes when it comes in contact with calcium ions.

  1. Supplementary Material