Electronic absorption spectral studies on new dimethine cyanine dyes
โ Scribed by A.I.M. Koraiem; M.M. Girgis; Z.H. Khalil; R.M. Abu El-Hamd
- Book ID
- 103543973
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 802 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0143-7208
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๐ SIMILAR VOLUMES
The reaction of a ratio of 1 mole of 5-chloro-3-methyl-1-phenyl pyrazolo-4[2(4)]-dimethine cyanine (1a,b) or (5-chloro-4-formyl-3-methyl-1-phenylpyrazole) 2 with 2 moles of an appropriate 2(4)-heterocyclic quaternary salt afforded the novel pentamethine cyanine dyes (3a-3e). Other reactions of 2 wit
It is shown that the long-lived transient absorption which is observed when solutions of cryptocyanine and DDI (I, I'-diethyl-2,2'-dicarbocyanine iodide) in methanol und other alcohols are exposed to nanosecond ruby laser pulses arises from a photoproduct whose formation requires consecutive absorpt