نتایج جستجو برای: gallates
تعداد نتایج: 121 فیلتر نتایج به سال:
Near-infrared persistent luminescent materials have great potential for in vivo bioimaging and night-vision surveillance due to their long-lasting autofluorescence-free emission through deep tissues multicycle photostimulated luminescence by releasing energy from captured traps using high-intensity 808 or 980 nm lasers. However, phosphors combining both near-infrared are found mostly chromium d...
Catechins and theaflavins, polyphenolic compounds derived from tea (Camellia sinensis, fam. Theaceae), have been reported to have a wide range of biological activities including prevention of tooth decay and oral cancer. The present study was undertaken to determine the usefulness of green tea leaves and black tea extract for the delivery of catechins and theaflavins to the oral cavity. After h...
We discuss oxygen and cation diffusion processes in oxygen ion conductors. While the high oxygen diffusivity determines the proper oxygen ion conductivity, slow cation diffusion processes are important for sintering and degradation processes. In the first part of the paper we discuss an analytical model for the ionic conductivity of a strongly acceptor doped, fluorite-type oxygen ion conductor,...
Peanut skin extract (PSE) and grape seed extract (GSE) are derived from waste products in the wine and peanut industries, respectively. Both have high concentrations of polyphenols, known to possess antioxidant and antimicrobial properties. PSE primarily contains "A-type" procyanidins, while GSE primarily contains "B-type" procyanidins. These differ structurally, but are both isomers of epicate...
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