“…For background to the practical applications of 1,2-bis-(5phenyl-oxazol-2-yl)benzene (ortho-POPOP) analogs (spectroscopic and fluorescence kinetics data), see: Doroshenko et al (1996Doroshenko et al ( , 1999Doroshenko et al ( , 2000aDoroshenko et al ( ,c, 2002a, Kirichenko et al (1998). For related structures, see: Doroshenko et al (1994Doroshenko et al ( , 1997Doroshenko et al ( , 2000bDoroshenko et al ( , 2002b.…”