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Effect of Aluminum Phosphate on Alkaline Phosphatase Activity of Polyurethane Foam Immobilized Cyanobacteria

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Abstract

The impact of insoluble phosphorus such as aluminum and rock phosphate on alkaline phosphatase activity of polyurethane foam immobilized cyanobacteria was assessed. Polyurethane foam immobilized Nodularia recorded the highest alkaline phosphatase activity of 9.04 (m. mol p-nitrophenol released h–1 mg–1 protein) in vitro. A higher concentration of aluminum phosphate was recorded a 25% reduction in alkaline phosphatase activity, ammonia content, and available phosphorus in culture filtrate of polyurethane foam immobilized cyanobacteria. In general, immobilized cyanobacteria exhibited a higher alkaline phosphatase activity in rock phosphate than aluminum phosphate.

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  1. Tamil Nadu Rice Research Institute, Tamil Nadu Agricultural University, Aduthurai, Tanjore, India, 612101

    N. Ramalingam & B. Gowtham Prasanna

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  1. N. Ramalingam
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  2. B. Gowtham Prasanna
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Correspondence to N. Ramalingam.

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Ramalingam, N., Prasanna, B.G. Effect of Aluminum Phosphate on Alkaline Phosphatase Activity of Polyurethane Foam Immobilized Cyanobacteria. Curr Microbiol 53, 194–197 (2006). https://doi.org/10.1007/s00284-005-0443-x

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  • DOI: https://doi.org/10.1007/s00284-005-0443-x

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