Hemicyanine dye Synthesis Spectroscopic properties The Stokes shift 1. Introduction Hemicyanine dyes (HD) are widely applied in different areas of technology due to their diversified properties. Because of their spectroscopic properties they are commonly used as laser dyes and fluorescence probes. In medi...
Herein, we introduce two effective modifications to the hemicyanine dye to afford PA-HD, a new dye scaffold optimized for photoacoustic probe development. We observed a significant increase in the photoacoustic output, representing an increase in sensitivity of 4.8-fold and a red-shift of the 位...
Hemicyanine dyesA nonlinear optical spectroscopy method is presented, which allows for precise recording of membrane potentials. The signal intensity of second harmonic generation (SHG) mediated by hemicyanine dye molecules embedded in the membrane of oxidized cholesterol was used as sensitive probe to ...
Two hemicyanine dyes, trans-4-[p-(N,N-di(2-hydroxyethyl)) amino-styryl]-N-methylpyridinium tetraphenylborate (dye-C-1) and trans-4-[p-(N,N-di(2-hydroxyethyl)) amino-styryl]-N-octylpyridinium tetraphenylborate (dye-C-8) were synthesized, and characterized by infrared, H-1-NMR, thermo...
A new type of two-legged amphiphilic molecules, 1,10-bistearyl-4,6,13,15-tetraene-18-nitrogencrown-6 (NC), was synthesized and adopted as a spacer for an optically nonlinear hemicyanine derivative (HD) dye to form interleaved Y-type LB multilayers. The second harmonic (SH) intensity ...