Simultaneous bioreduction of tellurite and selenite by Yarrowia lipolytica, Trichosporon cutaneum, and their co-culture along with characterization of biosynthesized Te–Se nanoparticles

Table 2 Kinetic parameters for 1 mM tellurite and 1 mM selenite removal in Y. lipolytica cultures

Parameters	Tellurite (separate)	Selenite (separate)	Tellurite (co-contamination)	Selenite (co-contamination)
Zero-order equation	Ct = − 0.0198 t + 1.064	Ct = − 0.0053 t + 0.9945	Ct = − 0.0352 t + 1.1994	Ct = − 0.0067 t + 1.1621
K₀ (per h)	0.0198	0.0053	0.0352	0.0067
T_1/2 (h)	26.868	93.82	17.037	86.72
R²	0.9324	0.9375	0.9157	0.8893
First-order equation	LnCt = − 0.0352 t + 0.171	LnCt = − 0.006 t −0.0025	LnCt = − 0.107 t + 0.6194	LnCt = − 0.0066 t + 0.154
K₁ (per h)	0.0352	0.006	0.107	0.0066
T_1/2 (h)	19.691	115.52	6.478	105.02
R²	0.9443	0.9558	0.9001	0.8904
Second-order equation	1/Ct = 0.0718 t + 0.5386	1/Ct = 0.0068 t + 0.9986	1/Ct = 0.6383 t − 2.896	1/Ct = 0.0065 t + 0.8532
K₂ (per h)	0.0718	0.0068	0.6383	0.0065
T_1/2 (h)	0.038	0.0068	1.848	0.0055
R²	0.9314	0.97	0.0901	0.8913

ISSN: 1475-2859