Synthesis of a Novel Pyrazine-Pyridone Biheteroaryl-Based Fluorescence Sensor and Detection of Endogenous Labile Zinc Ions in Lung Cancer Cells. - Masayori Hagimori; Mana Taniura; Naoko Mizuyama; Yasushi Karimine; Shigeru Kawakami; Hideo Saji; Takahiro Mukai (Sensors, 2019)