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Articles by M. Parsa
Total Records ( 3 ) for M. Parsa
  L. Baftehchi , S. Samavat , M. Parsa and N. Soltani
  Blue-green algae as nitrogen fixers have been used in different countries for a long time and are well known as biofertilizer. According to the quality of urban garbage composts of Iran especially in Tehran, diazothrophic cyanobacteria were considered as compost supplier. Cyanobacteria species were collected from paddy fields of north provinces of Iran (Gillan, Mazandaran and Golestan). Fischerella sp. was the dominant species in each province and had the highest content of nitrogen. Different amounts of this cyanobacterium (0.1-1%) and also different ratio of moistures (80-240%) were added to compost. Results showed that using different amounts of algae had no significant effect on growth rate and nitrogen content. Otherwise moisture had significant effect on growth rate of Fischerella sp.
  M. Parsa , S.N. Najafi , N. Jonaidi Jafari , M. Mohraz , A. Ghavamzadeh , B. Bahar , M. Izadi , M.H. Radfar and H. Ghofrani
  The present study was designed to determine diagnostic value of IL-6 and TNF-α in patients with fever and neutropenia. This is a prospective study of 133 patients admitted to two university hospital in Tehran, Iran with fever and neutropenia. Patients were divided two groups as low risk and high-risk groups. Cytokines level compared with Mann-Whitney test in study groups of patients and ROC curves used to determine best cut-off points level for cytokines discriminating risk groups. Mean age of patients was 26.8±2.5 years and 7.5% of patients allocated in low risk group. The mean IL-6 and TNF-α serum level below 17 pg mL-1 was defined as best cut-off point determining low risk group patients with sensitivity and specificity of 70 and 67.5% respectively. However, we cannot define a statistically significant cut-off point for TNF-α to use as a diagnostic test. 13.5% of patients of our study have positive blood cultures (6% gram-negative, 6% gram- positive, 1.5% fungi), but no statistical difference had found in serum IL-6 and TNF-α levels in blood culture groups. Despite our findings about IL-6 diagnostic value in neutropenic patients with fever and its advantages in discriminating risk groups of patients it seem necessary to design a randomized controlled trial before use of this marker.
  R. Hosseini and M. Parsa
  Abstarct: Aloe vera L. is a medicinal plant grown in different parts of the world. Several papers have reported the micropropagation of this plant and its response to different combinations of hormones. In this research, we used A. vera plants grown in south Iran. MS culture medium with twenty three combinations of hormones were used, including some of those employed previously by other researchers. Ten media showed positive results and the best result was obtained using Kin (1 mg L-1)+IAA (0.1 mg L-1) which has not been reported before. Produced plantlets rooted in free hormone MS medium and transferred into soil. The survival rate was 83%.
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