Synthesis of new acidochromic-based dyes is presented. The dyes obtained have acid absorbance maxima at 640–700 nm and expose spectral changes in the pH-range from 8 to 12.
Nortricarbocyanines: New near-infrared pH-indicators
作者:Serguei Miltsov、Cristina Encinas、Julián Alonso
DOI:10.1016/s0040-4039(98)02078-4
日期:1998.12
A one step synthesis of new acidochromic indolenine-based cyanine dyes is presented. The dyes obtained have absorbance maxima at 780-805nm and expose spectral changes in pH-range from 6 to 2. (C) 1998 Elsevier Science Ltd. All rights reserved.
Croconines: new acidochromic dyes for the near infrared region
作者:Cristina Encinas、Elena Otazo、Laia Rivera、Serguei Miltsov、Julián Alonso
DOI:10.1016/s0040-4039(02)01920-2
日期:2002.11
The synthesis and characterization of new nor-indocrococyanine dyes are described. The acid form of the obtained dyes has an absorbance maxima in the 759-800 nm range. They present spectral changes at pH 6.5-9.7. (C) 2002 Published by Elsevier Science Ltd.