pp. 385-390
S&M615 Research Paper of Special Issue Published: 2005 Selectivity Control in a Sweetness Sensor Using Lipid/Polymer Membranes [PDF] Hong Cui, Masaaki Habara, Hidekazu Ikezaki and Kiyoshi Toko (Received December 1, 2004; Accepted May 9, 2005) Keywords: taste sensor, lipid/polymer membrane, sweetness, selectivity
We studied the selectivity control in a sweetness sensor with lipid/polymer membranes. Sweet tasting substances such as sucrose, fructose and glucose are nonelectrolytes and therefore are susceptible to interference from electrolytes and/or adsorptive substances. In this study, we focused on suppressing the adsorption of bitter and astringent substances on a membrane surface. The membrane was designed to be electrically neutral to avoid interference from electrolytes. Additives used in this experiment have a hydroxyl group and are not protonated compounds, which change the hydrophobicity character of a membrane. The results show that n-tetradecyl alcohol reduced the responses to bitter and astringent substances.
Corresponding author: Hong CuiCite this article Hong Cui, Masaaki Habara, Hidekazu Ikezaki and Kiyoshi Toko, Selectivity Control in a Sweetness Sensor Using Lipid/Polymer Membranes, Sens. Mater., Vol. 17, No. 7, 2005, p. 385-390. |