Determination of the Residual Anthracene Concentration in Cultures of Haloalkalitolerant Actinomycetes by Excitation Fluorescence, Emission Fluorescence, and Synchronous Fluorescence: Comparative Study

Table 2

Anthracene residual concentration in the cultured media inoculated with haloalkalitolerant actinomycetes by the three fluorescence methods.

Strains	Anthracene residual concentration (ng/mL) ()
	Time; (h)	Excitation fluorescence	Emission fluorescence	Synchronous Fluorescence
All actinomycetes	0	270 ± 10	270 ± 8	270 ± 8
Nocardia farcinica 1	1	145 ± 4	139 ± 7	206 ± 27
	24	132 ± 2	130 ± 9	156 ± 7
	48	132 ± 3	128 ± 13	155 ± 11
Nocardia farcinica 2	1	152 ± 8	153 ± 8	170 ± 21
	24	137 ± 7	133 ± 11	125 ± 15
	48	134 ± 7	132 ± 20	125 ± 14
Nocardia farcinica 3	1	142 ± 8	132 ± 9	184 ± 6
	24	139 ± 3	136 ± 11	142 ± 5
	48	141 ± 7	129 ± 10	143 ± 8
Nocardia farcinica 4	1	149 ± 8	143 ± 15	170 ± 18
	24	149 ± 7	134 ± 6	148 ± 11
	48	138 ± 3	131 ± 6	143 ± 6
Kocuria rosea	1	155 ± 3	153 ± 5	242 ± 12
	24	149 ± 5	150 ± 8	215 ± 16
	48	143 ± 5	137 ± 10	214 ± 7
Microbacterium testaceum	1	173 ± 7	163 ± 13	213 ± 10
	24	161 ± 4	156 ± 8	213 ± 8
	48	156 ± 2	145 ± 15	212 ± 18
Kocuria palustris	1	137 ± 7	121 ± 18	189 ± 7
	24	128 ± 6	123 ± 11	180 ± 9
	48	119 ± 5	123 ± 10	180 ± 3

Value reported as mean ± SD ().