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. Author manuscript; available in PMC: 2011 Jan 14.
Published in final edited form as: Org Biomol Chem. 2007 Sep 14;5(20):3347–3353. doi: 10.1039/b711438a

Table 5.

Absorbance ratios (short/long) were calculated for PGH-1, PGH-6 and PEG-derivatives of PGH-9 and PGH-10 in MeOH.

Lepidine Dyes Short λ
Max.		 Long λ
Max.		 Ashort/Along
PGH-1 392 601 0.71
PGH-9 398 606 0.56
PGH-9-PEG750 (LC) 396 596 1.39
PGH-9-PEG2000 (LC) 390 590 1.99
PGH-9-PEG3400 (LC) 390 588 1.44
PGH-9-PEG5000 (LC) 390 588 2.71
PGH-9-PEG750 (No LC) 398 610 0.58
PGH-9-PEG5000 (No LC) 398 608 0.60
Indolenine Dyes Short λ
Max. 		Long λ
Max. 		Ashort/Along
PGH-6 406 690 0.21
PGH-10 410 692 0.22
PGH-10-PEG5000 405 691 0.23