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Articles by A.R. Ahmadi
Total Records ( 7 ) for A.R. Ahmadi
  B. Behmanesh , G.A. Heshmati , M. Mazandarani , M.B. Rezaei , A.R. Ahmadi , E.O. Ghaemi and S. Bakhshandeh Nosrat
  The chemical composition and antibacterial effect of Artemisia siberi essential oil were studied in this research. The composition of essential oil from aerial parts was analyzed by GC/MS and its antibacterial effect were determined by disc diffusion method. Artemisia ketone (48.5%), 1, 8-cineole (19.7%), selin-11-en-4-a-ol (4.6%) and lavandulon (2.8%) were the major constituents of this herbal medicine. Inhibitory zone against Pseudomonas aeroginosa, Staphylococcus aureus and Escherichia coli around discs contained 100 mg mL-1 of Artemisia siberi essential oil were 18, 13 and 12 mm, respectively. Further studies for the determination of anti Pseudomonas infection in animal model are suggested.
  A. Moradi , A.R. Mansurian , A.R. Ahmadi , E. Ghaemi , K.H. Kalavi , A. Marjani and E. Sanei Moghaddam
  In this study, the prevalence of HTLV-1 infection among the thalassemic patients was investigated. 181 thalassemic patients whom referred to Talghani hospital during, Oct. 2004-Sep. 2005 were participated in this study. HTLV antibody was determined using ELISA technique. In this procedure (Diapron laboratory kit) HTLV, positive samples tested by HTLV-1 western blot (kit, 2.4) to confirm, ELISA positive samples and also to detect the HTLV types. From 181 thalassemic patients, 93 (51.4%) were males. The age rate of these ranged 1-25 years, (mean of 14.11±6.5). Of these subjects 169 patients (93.4%) were received packet cell at least one unite per month. 28(14.9%) of subjects were HTLV positive, while only 4.4% of them were confirmed by western blot and also for contamination with type-1 virus infection. Contamination with this virus increased, as the patients were getting older. The findings derived from this study indicated that among the thalassemic patients in Gorgan there were cases with HTLV-1, infection that was correlated with the other part of the country. It is therefore concluded; that further comprehensive studies are required to identify infected blood donations by blood donors in Gorgan.
  A.R. Mansourian , A. Saifi , M.A. Vakili , A. Marjani , E. Ghaemi , A. Moradi and A.R. Ahmadi
  This study was carried out to evaluate the pattern of antibiotics prescribed by either General Physician or specialist, mostly practiced medicine in the private sectors, in Gorgan, Located in south-east Caspian sea in the northern Iran. This research was a prospective study, using a pharmacist administrated questionnaires to record the prescribed antibiotics. The findings indicated amoxicillin, cephalexin, penicillin, with 31.4, 21 and 17.4% are among the most widely prescribed antibiotics, respectively. ENT specialist prescribed the highest rate of antibiotics (24.1%), although as whole General physicians are among high antibiotics prescribing doctors, with such rate of antibiotics prescription, an educational program, among the community health centers, especially for young physicians on the need for antibiotics therapy and risk factors associated with increase rate of antibiotic resistant organism are suggested.
  A.R. Mansourian , E.O. Ghaemi , A.R. Ahmadi , A. Marjani , A. Moradi and A. Saifi
  The purpose of this study was to describe the distribution of serum prostate specific antigen (PSA) and to determine age-specific reference range in a population of Persian men. Venous blood samples were taken from 287 men, from Gorgan located in the North of Iran, South-East of Caspian Sea, aged 15≥80 year. The serum PSA levels was measured using Enzyme-linked Immunosorbant-Assay (ELISA) technique and age-specific range for PSA level was determined. The serum prostate-specific antigen level for six age group of 15-40 years, 41-50 years, 51-60 years, 61-70 years, 71-80 years and >80 years were mainly in the range of 0-2.5 ng mL-1, for 76.6%, 2.6-4 ng mL-1 for 9.1% and as whole 85.7% of all men in this study had ≤4 ng mL-1, 8.7 and 5.6% all men of six age group had PSA level of 4.1-10 ng mL-1 and >10 ng mL-1, respectively. The findings of present study indicated that a large proportion (76.6%) men in this region have a lower PSA level of 0-2.5 ng mL-1 and only 9.1% of men have PSA level of 2.6-4 ng mL-1. It is therefore concluded that acceptable reference range of 0-4 ng mL-1 for PSA level require further reassessment.
  S. GolKhoo , A.R. Ahmadi , P. Hanachi , F. Barantalab and M. Vaziri
  The HPLC system separated completely isofavonoids such as daidzein (15.2 min) and genstein (17.3 min). Initially, the concentrations of major isoflavone Genistein and Daidzein in the tested soy milk were determined. Commercial soy milk samples were analyzed for isoflavones and two major isoflavones detected: genistein 25.86 (mg L-1) ±0.66 SD and daidzein 8.25 (mg L-1) ±1.13 SD. Concentrations of genstein in soy milk were higher than daidzein. The results obtained in this study can serve as a basis for estimating amount of soy milk can be consumed by people as related to its main isoflavone content.
  A.R. Ahmadi , H. Ghoorchian , R. Hajihosaini and J. Khanifar
  With the increasing world population, the use of lignocellulosic wastes for production of microbial protein as animal feed becomes a necessity of our time. In order to verify the most productive protein, the amount of protein and amino acid extracted from Single Cell Protein (SCP) needs to be determined by an effective method. In this study Microbial protein was produced by treatment of wheat straw with Pleurotus florida; with heat at 100°C and NaOH 2% as substrate by solid state fermentation. Concentration of protein was 62.8% per 100 g of dried microbial protein. Then the extracted protein hydrolyzed with HCl 6 Normal for 48 h under 110°C temperature condition. Then the amino acids analyzed by using A-200 Amino Nova analyzer. The results of this study indicated that the ratio of essential amino acids to total amino acids was 65.6%. The concentration of essnyial amino acids were: Lysine = 9.5, histidine=19.8, threonine=0.6, valine = 6.6, methionine = 2.1, isoleucine = 7.3, leucine = 6.8, phenylalanine = 4.3 and arginine = 8.3 g/100 g of extracted protein that indicated the obtained microbial protein can be a good or suitable substitute in the food program of animal feed.
  A.R. Mansourian , A.R. Ahmadi , A. Saifi and S. Bakhshandehnosrat
  Hypothyroidism is associated with mental and growth abnormality in children. The aim of this study was to determine the reference range of thyroid stimulating hormone (TSH). Thyroxin (T4) and triodothyronine (T3) of children in Northern Iran. The sample population for this study consists of subjects of 4 age groups up to 21 years. The subjects were selected randomly from people referred to Danesh Medical Diagnostic Laboratory in Gorgan Northern Iran. Thyroid hormone level were investigated with Radio immunoassay. The mean concentration for T4, T3, TSH for the sample population of 4 groups were as follow (113.5, 107.4, 102.9, 99.2 nmol L-1), (1.9, 1.7, 1.9, 1.6 nmol L-1) and (2.1, 3.5, 2.9, 2.7 mIu L-1). The mean value of T3, TSH were higher for females but the mean value of T4 was slightly higher in males. The findings of this investigation indicated that there is an inverse age correlation in particular for T4 in all age groups. On the bases of the results from this study, we conclude that reference range, in all age groups and lower, upper limits of our reference range are not universally similar; therefore determination of reference range in each region is a critical need for clinical practice.
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