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- Title
Light Amplification in DNA and Other Polyion Complexes Stained with Simple Immersion Technique.
- Authors
YUTAKA KAWABE; TAKEMASA SUZUKI; YOU IISAKA
- Abstract
An alternative fabrication method for dye-doped DNA-surfactant complex films was developed. In this technique, DNA-cethyltrimelhylammo-nium (CTMA) or other polyion complex thin films were prepared by a spin coating method at first and were stained with dyes by soaking them into water or acetone solutions of the dye for a while. We have applied the method to two examples as well as the one already reported. Water soluble dye Eosin Y was employed and the complexes fabricated with four types of surfactants showed amplified spontaneous emission (ASE). A non-DNA polyion complex, poly-mcthacrylic acid (PMAA) was used for the complex formation and succeeded to give complexes with two types of dyes, showing the ASE under very low energy pumping.
- Subjects
DNA; LASERS; POLYIONS; IMMERSIONS (Mathematics); EOSIN
- Publication
Nonlinear Optics, Quantum Optics: Concepts in Modern Optics, 2015, Vol 47, Issue 1-3, p211
- ISSN
1543-0537
- Publication type
Article