Color changing cholesteric polymer films sensitive to amino acids

Peter V. Shibaev, Daniel Chiappetta, R. Lea Sanford, Peter Palffy-Muhoray, M. Moreira, W. Cao, Mark M. Green

Research output: Contribution to journalArticle

Abstract

Chiral hydrogen-bonded polymer films that respond to the presence of some amino acids (arginine, lysine, histidine) in water by changing the color and shifting the wavelengths of the selective reflection band (SRB) were synthesized and studied. The kinetics of the film's response depends on the concentration of donor/acceptor groups in the polymer matrix. A higher concentration of hydrogen-bonded groups results in a faster shift of the SRB and color changes. This effect is explained in terms of structural changes and the breakage of hydrogen bonds that occurs between the components of a cholesteric polymer, immersed in various aqueous solutions of amino acids. Optical pumping of cholesteric films doped with laser dyes leads to lasing. The changes in the selective reflection induced by amino acids in water solutions result in a shift of the lasing wavelength.

Original languageEnglish (US)
Pages (from-to)3986-3992
Number of pages7
JournalMacromolecules
Volume39
Issue number12
DOIs
StatePublished - Jun 13 2006

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Polymer films
Amino acids
Color
Amino Acids
Hydrogen
Optical pumping
Wavelength
Arginine
Dye lasers
Water
Polymer matrix
Histidine
Lysine
Hydrogen bonds
Polymers
Kinetics

ASJC Scopus subject areas

  • Materials Chemistry

Cite this

Shibaev, P. V., Chiappetta, D., Sanford, R. L., Palffy-Muhoray, P., Moreira, M., Cao, W., & Green, M. M. (2006). Color changing cholesteric polymer films sensitive to amino acids. Macromolecules, 39(12), 3986-3992. https://doi.org/10.1021/ma052046o

Color changing cholesteric polymer films sensitive to amino acids. / Shibaev, Peter V.; Chiappetta, Daniel; Sanford, R. Lea; Palffy-Muhoray, Peter; Moreira, M.; Cao, W.; Green, Mark M.

In: Macromolecules, Vol. 39, No. 12, 13.06.2006, p. 3986-3992.

Research output: Contribution to journalArticle

Shibaev, PV, Chiappetta, D, Sanford, RL, Palffy-Muhoray, P, Moreira, M, Cao, W & Green, MM 2006, 'Color changing cholesteric polymer films sensitive to amino acids', Macromolecules, vol. 39, no. 12, pp. 3986-3992. https://doi.org/10.1021/ma052046o
Shibaev PV, Chiappetta D, Sanford RL, Palffy-Muhoray P, Moreira M, Cao W et al. Color changing cholesteric polymer films sensitive to amino acids. Macromolecules. 2006 Jun 13;39(12):3986-3992. https://doi.org/10.1021/ma052046o
Shibaev, Peter V. ; Chiappetta, Daniel ; Sanford, R. Lea ; Palffy-Muhoray, Peter ; Moreira, M. ; Cao, W. ; Green, Mark M. / Color changing cholesteric polymer films sensitive to amino acids. In: Macromolecules. 2006 ; Vol. 39, No. 12. pp. 3986-3992.
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