title: Phase-separable aqueous amide solutions as a thermal history indicator.
abstract: Aqueous solutions of several new amide compounds for use as simple thermal history indicators in the low-temperature transport of food and other products were synthesized. The phase transition temperatures of the aqueous solutions can be freely adjusted by changing the amide-water ratio in solution, the sodium chloride concentration of the water, and the type of amide compound. It is expected that these aqueous solutions can be applied as new thermal history indicators.
authors.affiliation: Laboratory of Bio-Organic Chemistry, Tokyo University of Agriculture and Technology, Fuchu, Tokyo, Japan.
authors.forename: Makoto
authors.initials: M
authors.lastname: Kitsunai
authors.forename: Kentaro
authors.initials: K
authors.lastname: Miyajima
authors.forename: Yuzuru
authors.initials: Y
authors.lastname: Mikami
authors.forename: Shokaku
authors.initials: S
authors.lastname: Kim
authors.forename: Akira
authors.initials: A
authors.lastname: Hirasawa
authors.forename: Kazuhiro
authors.initials: K
authors.lastname: Chiba
mesh_terms: D000577:Amides / Q000138:chemical synthesis / Q000737:chemistry*; D007202:Indicators and Reagents / Q000138:chemical synthesis / Q000737:chemistry*; D044367:Phase Transition; D012965:Sodium Chloride / Q000737:chemistry; D012996:Solutions; D013696:Temperature; D013997:Time Factors; D014867:Water / Q000737:chemistry*
chemical_list: D000577:Amides; D007202:Indicators and Reagents; C529613:N-(isopropyl)propionamide; D012996:Solutions; D014867:Water; D012965:Sodium Chloride