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Articles by M. Noori
Total Records ( 2 ) for M. Noori
  S.M.A. Shariatzadeh , M. Soleimani Mehranjani , M. Mahmoodi , M.H. Abnosi , H.R. Momeni , A.R. Dezfulian and M. Noori
  The aim of this study was to investigate the short term effect of aqueous-ethanolic extract of garlic in preventing and curing nephropathy following induced diabetes in rats using streptozotocin (STZ), with the help of stereological methods. Thirty two male wistar rats were randomly divided into control, control+extract, diabetic and diabetic+extract groups (n = 8). Diabetes was induced by intraperitoneal injection of 60 mg kg-1 of streptozotocin (STZ). Treatment with aqueous-ethanolic extract of garlic (50 mg kg-1 day-1) was followed for four weeks, then the left kidneys were excised and stereological studies were carried out. The results revealed that blood sugar of the diabetic rats was reduced significantly following treatment with garlic extract. The final body weight of both diabetic and diabetic+extract groups didn`t increase significantly, but in control and control+extract groups the body weight increased significantly (p<0.001). A significant increase in the kidney weight of the diabetic and diabetic+extract rats was found (p<0.001) compared to the control ones. The volume of cortex, medulla and total volume of kidney increased significantly in the diabetic and diabetic+extract groups compared to the control ones. The total glomerular volume increased significantly in diabetic rats compared to the other groups (p<0.05). In conclusion the aqueous-ethanolic extract of garlic influences the volume of total glomeruli but has no effect on the volume of other kidney components.
  N. Sepehrian , M. Abbasi and M. Noori
  In this study, Electrospinning and producing composite nanofibers of Polyvinyl Alcohol (PVA) Silica nano-Fibers (SiO2) were studied. The effect of concentrations of silica nanoparticles, concentration of PVA auxiliary polymer, calcining process temperature and duration of this process on the formation of composite silica nanofibers was examined. The morphology and structure of nanofibers produced were investigated by using light microscopy, Scanning Electron Microscope (SEM), X-Ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FTIR). Composite nanofibers with 6, 8, 10 and 12 weight percent of PVA auxiliary polymer along with silica nanoparticles of 50.70, 90 and 100 weight percent of the auxiliary polymer were produced. Given that the PVA destroys at temperatures>494°C, nanofibers were calcined at three temperatures of 500, 700 and 900°C for 3 h. The results showed that the composite nanofibers with initial concentration of 10 weight percent of the PVA auxiliary polymer and Silica nanoparticles of 90 weight percent of the auxiliary and calcined polymer at 700°C produce the best silica nanofibres. To evaluate the effect of calcining process duration, nanofibers were placed in the furnace for 7 h. Increasing the process duration reduced the crystallinity of nanofibers and nanoparticles loss.
 
 
 
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