Influence of Ni²⁺ on urease activity produced by biofilms of Arthrobacter oxydans 1388

Figures & data

Figure 1. Kinetics of protein production by Arthrobacter oxydans 1388 biofilms formed on matrices: (AN + AA) + CAB and (AN + AA) + CAB + TBOT.

Figure 2. Kinetics of polysaccharides production by A. oxydans 1388 biofilms formed on different matrices: (AN + AA) + CAB and (AN + AA) + CAB + TBOT.

Figure 3. Kinetics of biomass and urease activity in free cells of A. oxydans 1388.

Figure 4. Kinetics of cell growth and urease activity in biofilm formed on an (AN + AA) + CAB copolymer.

Figure 5. Ni²⁺ biosorption by free cells of A. oxydans 1388.

Figure 6. Ni²⁺ biosorption by A. oxydans 1388 biofilms in a medium with different Ni²⁺ concentrations.

Figure 7. Growth of free cells of A. oxydans 1388 in a medium with different of Ni²⁺ concentrations.