International Scholarly Research Notices / 2012 / Article / Tab 4

Research Article

Photoproduction of Hydrogen under Different Cultural Conditions by Alginate Immobilized Rhodopsedomonas palustris KU003

Table 4

Effect of nitrogen source on hydrogen production (mL/15 mL vessel) by immobilized cells of Rps. palustris in anaerobic dark.

Nitrogen sourceIncubation period (in hrs)
24487296120144166192

Potassium nitrate0.32 ± 0.020.56 ± 0.041.10 ± 0.180.78 ± 0.100.56 ± 0.080.38 ± 0.16
Sodium nitrate0.28 ± 0.040.44 ± 0.080.78 ± 0.120.36 ± 0.100.24 ± 0.16
Ammonium chloride
Urea0.20 ± 0.020.42 ± 0.080.62 ± 0.100.38 ± 0.08
Thiourea0.34 ± 0.14
Glycine0.28 ± 0.060.52 ± 0.080.98 ± 0.020.64 ± 0.060.38 ± 0.180.24 ± 0.16
L-asparagine0.34 ± 0.040.56 ± 0.020.86 ± 0.181.24 ± 0.160.78 ± 0.200.42 ± 0.140.24 ± 0.18
L-aspartic acid0.48 ± 0.140.68 ± 0.220.94 ± 0.161.44 ± 0.220.76 ± 0.100.44 ± 0.16
L-glutamic acid0.26 ± 0.160.48 ± 0.141.94 ± 0.281.24 ± 0.100.94 ± 0.140.56 ± 0.18
L-glutamine0.36 ± 0.030.54 ± 0.160.78 ± 0.141.34 ± 0.380.62 ± 0.160.34 ± 0.18
L-tyrosine0.28 ± 0.080.48 ± 0.080.86 ± 0.240.54 ± 0.080.22 ± 0.14
L-cystine0.22 ± 0.120.48 ± 0.180.78 ± 0.140.52 ± 0.180.26 ± 0.16
L-methionine0.20 ± 0.060.46 ± 0.120.76 ± 0.181.18 ± 0.120.84 ± 0.160.58 ± 0.280.26 ± 0.16
Nitrogen gas0.38 ± 0.080.58 ± 0.060.24 ± 0.22

—No hydrogen.

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