Table 2

Table 2: Biosorption capacities of S. cerevisiae, Q = capacity, EDTAC = ethylenediaminetetraacetic dianhydride.

Source or form, pretreatment	Metal	Q [mg/g]	pH	T [˚C]	Ref.
Baker’s, heat and HCl-treated, sodium form with sodium acetate and aceticacid	Cd²⁺	86.3	6.5 (opt.)	27	[67]
Baker’s, commercial, from exp. growth phase	Cd²⁺	71	4.5	-	[68]
Baker’s, commercial, dried	Cd²⁺	23	4.5	-	[68]
Baker’s, commercial, wet pressed	Cd²⁺	20	4.5	-	[68]
Brewer’s, commercial, from exp. growth phase	Cd²⁺	66	4.5	-	[68]
Brewer’s, commercial, dried	Cd²⁺	20	4.5	-	[68]
Brewer’s, commercial, wet pressed	Cd²⁺	17	4.5	-	[68]
Brewer’s, crosslinked with formaldehyde	Cu²⁺	8.0	5.3	18	[63]
	Zn²⁺	7.1	6.0	18
	Cd²⁺	14.0	6.7	18
Dried	Pb²⁺	270.3	5 (opt.)	25	[48]
	Ni²⁺	46.3	5 (opt.)	25
	Cr⁶⁺	32.6	1 (opt.)	25
Ethanol-treated, powdered	Cd²⁺	4.0	7.1	25	[69]
Ethanol-treated, powdered	Ni²⁺	2.6	7.1	25
Waste baker’s yeast, ethanol pretreated	Pb²⁺	17.5	5 (opt.)	30	[36]
Waste baker’s yeast, ethanol pretreated	Cd²⁺	15.6	6 (opt.)	30
Ferm. waste	Cd²⁺	5	4.5	-	[70]
Ferm. waste, HCl-treated	Cu²⁺	13	4.5	-	[70]
	Zn²⁺	6	4.5	-
	Cd²⁺	4	4.5	-
Heat and HCl-treated	Ni²⁺	12.3	6.8 (opt.)	27	[71]
Heat and HCl-treated	Ni²⁺	9.8	6.8 (opt.)	27 (opt.)	[72]
Ethanol-treated	Cd²⁺	6.7	7.2 (opt.)	25	[3]
Waste brewer’s yeast, HCl-treated	Pb²⁺	5.7	5 (opt.)	20 (opt.)	[54]
Waste brewer’s yeast, HCl-treated	Cu²⁺	1.4	5 (opt.)	50 (opt.)
Waste yeast, dried	Cu²⁺	5.8	5 (opt.)	20 (opt.)	[73]
Waste yeast, dried	Ni²⁺	13.8	5 (opt.)	20 (opt.)
Waste yeast, dried and detergent-treated	Cu²⁺	16.2	5 (opt.)	20 (opt.)	[73]
Waste yeast, dried and detergent-treated	Ni²⁺	13.4	5 (opt.)	20 (opt.)
Baker’s, commercial, glutaraldehyde and EDTAD^*-treated	Pb²⁺	192.3	(opt. 6)	room	[61]
Baker’s, commercial, glutaraldehyde and EDTAD^*-treated	Cu²⁺	65.0	(opt. 6)	room