Research Article
Spectral Characterization of Fungal Metabolites in Aqueous Medium with Humus Substances
Table 2
FQY and
for natural NOM and its low molecular weight fraction in comparison to solutions of commercial humic acids in water.
| FQY and λ em (for given λ ex) | NOM of natural water | Low molecular weight fraction of NOM | Commercial humic acids |
| FQY (λ ex = 270 nm) | 1.8% | 2.7% | 2.6% | 2.2% | 4.0% | 3.9% | 1.3% | 1.3% | FQY (λ ex = 310 nm) | 2.5% | 3.2% | 3.4% | 3.0% | 4.8% | 3.9% | 1.2% | 1.2% | FQY (λ ex = 355 nm) | 3.6% | 3.9% | 5.0% | 5.0% | 7.2% | 5.7% | 1.0% | 1.1% | λ
em, nm (λ ex = 270 nm) | 446 | 446 | 438 | 450 | 436 | 439 | 478 | 477 | λ
em, nm (λ ex = 310 nm) | 428 | 421 | 420 | 424 | 420 | 423 | 475 | 475 | λ
em, nm (λ ex = 355 nm) | 448 | 445 | 445 | 451 | 447 | 445 | 476 | 477 |
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