28 research outputs found
IGFBP7 is associated to prognosis and could suppress cell survival in cholangiocarcinoma
Identification of membrane-bound serine proteinase matriptase as processing enzyme of insulin-like growth factor binding protein-related protein-1 (IGFBP-rP1/angiomodulin/mac25)
Tree heights in the ring-formed years affect microfibril angles in the rings from juvenile to mature wood at breast height in hinoki trees (Chamaecyparis obtusa)
Characterization of Lactobacillus salivarius alanine racemase: short-chain carboxylate-activation and the role of A131
Insulin-like growth factor-binding protein 7 alters the sensitivity to interferon-based anticancer therapy in hepatocellular carcinoma cells
Luminescent diazaborolyl-functionalized polystyrene
Kuhtz H, Cheng F, Schwedler S, et al. Luminescent diazaborolyl-functionalized polystyrene. ACS Macro Letters. 2012;1(5):555-559.We present two different procedures for the synthesis of poly[4-(1′,3′-diethyl-1′,3′,2′-benzodiazaborolyl)styrene] (3a) and poly[4-(1′,3′-diphenyl-1′,3′,2′-benzodiazaborolyl)styrene] (3b). The new polymers were fully characterized by GPC, multinuclear NMR, and elemental analysis. The thermal properties and stability were studied by DSC and TGA, and the optical characteristics were examined by absorption and time-resolved fluorescence spectroscopy. Remarkably high quantum yields of up to 77% were measured. In comparison to molecular species we found significantly shorter lifetimes, likely as a result of incorporation of the chromophores into the polymer structure