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Evaluation of antioxidant properties and total phenolic contents of some strains of microalgae
- Mannan Hajimahmoodi, M. Faramarzi, N. Mohammadi, N. Soltani, M. R. Oveisi, Nastaran Nafissi-varcheh
- Journal of Applied Phycology
- 1 February 2010
Antioxidant activities of both cells and extracellular substances were evaluated in 12 soil-isolated strains of microalgae according to FRAP and DPPH-HPLC assays. Their total phenolic contents were… Expand
Metal solubilization from metal-containing solid materials by cyanogenic Chromobacterium violaceum.
- M. Faramarzi, Marion Stagars, Enrico Pensini, W. Krebs, H. Brandl
- Chemistry, Medicine
- Journal of biotechnology
- 30 September 2004
Different cyanogenic bacterial strains (Chromobacterium violaceum, Pseudomonas fluorescens, Bacillus megaterium) were cultivated under cyanide-forming conditions in the presence of metal-containing… Expand
Purification and biochemical characterization of extracellular laccase from the ascomycete Paraconiothyrium variabile.
An extracellular laccase-producing ascomycete was isolated from soil and identified as Paraconiothyrium variabile using rDNA sequence analysis. Typical laccase substrates including… Expand
Optimization of cultural conditions for production of chitinase by a soil isolate of Massilia timonae.
Production of cholesterol oxidase by a newly isolated Rhodococcus sp.
- M. Tabatabaei Yazdi, F. Malekzadeh, Gh. Zarrini, M. Faramarzi, N. Kamranpour, S. Khaleghparast
- 1 October 2001
Fifteen strains of microorganisms with ability to degrade cholesterol were isolated. Among them a Gram-positive, non-motile, non-sporing bacterium with meso-DAP in the cell wall and with a rod-coccus… Expand
From bacteria to human: a journey into the world of chitinases.
Chitinases, the enzymes responsible for the biological degradation of chitin, are found in a wide range of organisms from bacteria to higher plants and animals. They participate in numerous… Expand
Purification and characterization of two extracellular endochitinases from Massilia timonae.
- Sina Adrangi, M. Faramarzi, A. Shahverdi, Z. Sepehrizadeh
- Chemistry, Medicine
- Carbohydrate research
- 11 February 2010
Two extracellular chitinases (designated as Chi-56 and Chi-64) produced by Massilia timonae were purified by ion-exchange chromatography, ammonium sulfate precipitation, and gel-filtration… Expand
Biosynthesis and characterization of gold nanoparticles produced by laccase from Paraconiothyrium variabile.
- M. Faramarzi, H. Forootanfar
- Materials Science, Medicine
- Colloids and surfaces. B, Biointerfaces
- 1 October 2011
During recent years investigation on the development of eco-friendly processes for production of gold nanoparticles (GNPs) have received much attention due to hazardous effects of chemical compounds… Expand
Biosynthesis and recovery of rod-shaped tellurium nanoparticles and their bactericidal activities
- B. Zare, M. Faramarzi, Z. Sepehrizadeh, M. Shakibaie, S. Rezaie, A. Shahverdi
- Materials Science
- 1 November 2012
Highlights: ► Biosynthesis of rod shape tellurium nanoparticles with a hexagonal crystal structure. ► Extraction procedure for isolation of tellurium nanoparticles from Bacillus sp. BZ. ► Extracted… Expand
Formation of water-soluble metal cyanide complexes from solid minerals by Pseudomonas plecoglossicida.
A few Pseudomonas species are able to form hydrocyanic acid (HCN), particularly when grown under glycine-rich conditions. In the presence of metals, cyanide can form water-soluble metal complexes of… Expand