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Table 3 Screening of actinobacterial strains for metal resistant properties

From: Bioleaching of heavy metals from printed circuit board (PCB) by Streptomyces albidoflavus TN10 isolated from insect nest

S. noStrain noConcentration of ferrous sulfate FeSO4 (ppm)Concentration of copper sulfate CuSO4 (ppm)Concentration of nickel chloride NiCL3 (ppm)
100500100015001005001000150010050010001500
1TN 10++++++++++++++++++++++++++++++++++
2TN 5+++++++++++++++++++++
3TN 2++++++++++++++++++++
4TN 14++++++++++++++++++++++
5TN 8+++++++++++++++++++++++
  1. +++, excellent growth; ++, good growth; +, moderate growth; −, no growth