http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Maede Salmasi,Shohreh Fatemi,Ali Taheri Najafabadi 한국공업화학회 2011 Journal of Industrial and Engineering Chemistry Vol.17 No.4
SAPO-34 catalysts were synthesized by the hydrothermal method using morpholine and/or TEAOH templates. The sample prepared by the combination of TEAOH and morpholine exhibited more crystallinity and smaller particle size. Furthermore, SAPO-34 was modified with Ni and Mg to improve its performance for conversion of methanol to olefin. These catalysts were characterized by XRD, SEM, EDX,BET, FTIR and NH3-TPD techniques. The catalytic performance of catalysts was studied in MTO reaction at 673 K and atmospheric pressure by a feed WHSV of 8.7 h1 in a fixed bed reactor. The modified catalysts showed higher selectivity to light olefins and longer lifetime. NiAPSO-34 catalyst showed the best performance; the yield of ethylene and propylene was determined to be 94 wt.% with 100% methanol conversion.
Maede Salmasi,Shohreh Fatemi,Yadollah Mortazavi 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.39 No.-
TiO2 nanoparticles (TNP) were converted to TiO2 nanotubes (TNT) and investigated as the catalyst foroxidative desulfurization of dibenzothiophene. The TNT was promoted with Cu (Cu-TNT) to increase theODS efficiency. The textural and structural properties of catalysts were characterized and confirmed byXRD, FESEM, EDS, TEM, FTIR and BET analysis. The maximum conversion over TNT was achieved at thetemperature = 326.6 K, oxidant/DBT = 13.9 mol/mol and catalyst/fuel = 10 g/l. At the optimum condition,TNT has shown 10% higher efficiency compared with TNP catalyst. The promoted TNT with less that1 wt% Cu accelerated the ODS rate of reaction with 10% excess conversion, to achieve 98% conversion ofDBT.
Comparative Efficacy of Four Imaging Instruments for Breast Cancer Screening
Mehnati, Parinaz,Tirtash, Maede Jafari Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.15
Sensitivity and specificity are the two most important indicators in selection of medical imaging devices for cancer screening. Breast images taken by conventional or digital mammography, ultrasound, MRI and optical mammography were collected from 2,143,852 patients. They were then studied and compared for sensitivity and specificity results. Optical mammography had the highest sensitivity (p<0.001 and p<0.006) except with MRI. Digital mammography had the highest specificity for breast cancer imaging. A comparison of specificity between digital mammography and optical mammography was significant (p<0.021). If two or more breast diagnostic imaging tests are requested the overall sensitivity and specificity will increase. In this literature review study patients at high-risk of breast cancer were studied beside normal or sensitive women. The image modality performance of each breast test was compared for each.
Kinetic modeling and optimization of the operating condition of MTO process on SAPO-34 catalyst
Ali Taheri Najafabadi,Morteza Sohrabi,Maede Salmasi,Shohreh Fatemi 한국공업화학회 2012 Journal of Industrial and Engineering Chemistry Vol.18 No.1
In this paper, a new kinetic model for methanol to olefin process (MTO) over SAPO-34 catalyst was developed based on data obtained from a micro catalytic reactor using appropriate reaction network. The reaction rate equation has been introduced with consideration of reaction mechanism and the parameters were optimized on the experimental data by genetic algorithm. Comparing the experimental and predicted data showed that the predicted values from the presented model are well fitted to the experimental data. Using this kinetic model, the effect of most important operating conditions such as temperature, pressure, inlet water to methanol molar ratio and methanol space–time on the product distribution, has been examined. Finally, the optimal operating conditions for maximum production of the ethylene and the propylene were introduced.
Mohammad Alamgir Hossain,Osamu Yamato,김근형,Masahiro Yamasaki,Yoshimitsu Maede 대한수의학회 2007 Journal of Veterinary Science Vol.8 No.2
The present study evaluated the effects of infected culture supernatant of erythrocytes, fractionation of culture supernatant and serum from dogs infected with Babesia gibsoni (B. gibsoni) on the maturation of canine reticulocytes in vitro. The SDS-PAGE demonstrated that significantly broader bands were generated by both the infected culture supernatant of erythrocytes and the serum from dogs chronically infected with B. gibsoni. The culture supernatant of erythrocytes infected with B. gibsoni strongly suppressed the maturation of reticulocytes. Prior studies showed that chronically infected serum had inhibitory effects on both the maturation of reticulocytes and the canine pyrimidine 5'-nucleotidase subclass I and purine-specific 5'-nucleotidase activity. In addition, serum free infected culture supernatant of erythrocytes had an inhibitory effect on the morphological maturation of reticulocytes. These results suggest that infected serum and culture supernatant of erythrocytes might accumulate excess proteins and/or metabolites as a result of the inhibited maturation of reticulocytes and decreased activity of erythrocyte 5'-nucleotidase. Furthermore, the fractions observed at >150 kDa- and 150-70 kDa- in the infected culture supernatant and serum retarded the maturation of canine reticulocytes in vitro. The results obtained from the in vitro examinations, in the present study, suggested that B. gibsoni itself and/or its metabolites might release certain proteins in the infected culture supernatant and serum from infected dogs and as a result delay morphological maturation of canine reticulocytes.
Jhamak Nourmohammadi,Meghdad Hadidi,Masoumeh Haghbin Nazarpak,Mona Mansouri,Maede Hasannasab 한국섬유공학회 2020 Fibers and polymers Vol.21 No.3
The herbal drug incorporated nanofibers with potential accelerating wound healing has become a promisingwound dressing to treat wounds. The present research aimed to study the effects of adding different amounts of ElaeagnusAngustifolia (EA) extract on physical, mechanical, and biological properties of silk fibroin-polyvinyl alcohol (SF-PVA)nanofibers. Thus, different electrospun mats were made by changing the SF to the EA ratio. The successful incorporation ofEA in SF-PVA nanofibers was confirmed by Fourier transform infrared spectroscopy (FTIR). No obvious change wasobserved in the mean fiber diameter except for EA/SF ratio 1:3. Also, mechanical properties results showed that the ultimatetensile strength of samples dropped from 9±0.8 MPa to 2.50±0.03 MPa with decreasing SF amount. The in vitro releasestudies indicated that the fickian diffusion controlled the EA release profile and it was faster in the nanofibers containingmore EA. Furthermore, the addition of EA into the nanofibrous dressings improved their antioxidant activity as well asantibacterial activity against both gram-positive (S. aureus) and gram- negative (E. coli) bacteria. Cell viability was alsomeasured using fibroblast cells cultured on prepared dressings and results proved that the higher amounts of EA have asignificant impact on cell viability. These findings suggest the advantages of EA as an additive to regulate cell behavior andfor skin tissue regeneration.