Additions and corrections

A new protocol in photodynamic therapy: enhanced tumour cell death by combining two different photosensitizers

Angeles Villanueva, Juan Carlos Stockert, Magdalena Cañete and Pilar Acedo

Photochem. Photobiol. Sci., 2010, 9, 295, DOI: 10.1039/b9pp00153k. Amendment published 30th March 2010.

The structure of zinc(II) phthalocyanine in Fig. 1(A) was incorrectly reproduced. The correct version of Fig. 1 is below.

	Fig. 1 Chemical structure of the PSs employed. (A) zinc(II) phthalocyanine. (B) meso-tetrakis(4-N-methylpyridyl)porphine.

The Royal Society of Chemistry apologises for this error and any consequent inconvenience to authors and readers.

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