TY  - JOUR 
T1  - Singlet oxygen quantum yields (Φd) in water using beetroot extract and an array of LEDs
JO  - Journal of the Brazilian Chemical Society
A1  - Bonacin, Juliano A.
A1  - Engelmann, Fábio M.
A1  - Severino, Divinomar
A1  - Toma, Henrique E.
A1  - Baptista, Mauricio S.
SN  - 0103-5053
UL  - 10.1590/S0103-50532009000100006
VL  - 20 
Y1  - 2009
PB  - Brasil 
ER  -