Novel color changing pH sensors based on cholesteric polymersстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Color changing cholesteric hydrogen bonded polymer films responding to pH changes induced by basic amino acids or inorganic bases were synthesized and studied. The films with a higher concentration of donor/acceptor groups display a larger shift of the selective reflection band and faster response. This effect is explained in terms of the breakage of hydrogen bonds that occurs between the components of a cholesteric polymer, immersed in various basic aqueous solutions including amino acids.