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Fatemeh Davar,Mohammad Reza Loghman-Estarki,Rouholah Ashiri 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.21 No.1
The aim of this work is to synthesis and characterization of cadmium sulfide/ thioglycolic acidnanocomposite and its conversion to pure CdS nanoparticles. The products were characterized by X-raydiffraction (XRD), SEM, TEM, X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared(FTIR) spectra. The CdS/organic nanocomposite was decomposed into pure wurtzite CdS nanoparticlesthrough hydrothermal treatment at 200 8C. UV–vis spectra were used to study the optical properties ofCdS/organic nanocomposites and pure CdS. It was found that the absorption maximum of the CdS/TGAnanocomposite was significantly blue-shifted as compared to pure CdS nanoparticles.
Ali Majedi,Fatemeh Davar,Alireza Abbasi 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.6
Nano-sized pure and S-doped zirconia was prepared by the sol–gel method in the presence of sucroseand zirconium(IV) acetylacetonate (Zr(acac)4) as a gelation agent and Zr4+ source, respectively. Acidcatalyst activity of samples was tested for the production of acetyl salicylic acid from salicylic acid andacetic anhydride as precursors, The yield (64.0%) of acetylsalicylic acid was obtained from 50 mg of Sdopedzirconia calcined at 550 8C and after a 3 h reaction, was comparably higher than the yield of thereaction (13.3%) in the absence of a catalyst and under the same reaction condition.
Jahromi, Abdolreza Sotoodeh,Zar, Abdossaleh,Ahmadi, Fatemeh,Krustrup, Peter,Ebrahim, Khosrow,Hovanloo, Friborz,Amani, Davar The Korean Association of Immunobiologists 2014 Immune Network Vol.14 No.5
Physical activity could be considered one of the factors that affect the immune system status and function. To find the relation between exercise and cytokines, we examined the possible effects of an 8-week endurance training program on the serum levels of cytokines, including tumour necrosis factor-alpha (TNF-${\alpha}$) and interferon-gamma (IFN-${\gamma}$) in sedentary men. A total of 30 healthy young male volunteers were randomly divided into an endurance training group and a control group. The training group followed a specific exercise protocol (running on a treadmill for 15~30 min at 50~70% maximal heart rate) for 8 weeks and the control group did not participate in any exercise program. Venous blood samples were collected from both the groups 24 h before and 24 h and 48 h after the exercise. Repeated ANOVA was used for statistical purposes. The serum levels of TNF-${\alpha}$ and IFN-${\gamma}$ were determined by ELISA. Significant (p<0.05) and non-significant (p>0.05) decreases were observed in the serum levels of IFN-${\gamma}$ and TNF-${\alpha}$, respectively, after the 8-week endurance training program. Our findings indicated that an 8-week endurance exercise may affect the serum levels of some inflammatory cytokines, suggesting the beneficial role of this training protocol in elderly population and people with certain conditions (inflammation of the vertebrae or other inflammatory diseases).
Abdolreza Sotoodeh Jahromi,Abdossaleh Zar,Fatemeh Ahmadi,Peter Krustrup,Khosrow Ebrahim,Friborz Hovanloo,Davar Amani 대한면역학회 2014 Immune Network Vol.14 No.5
Physical activity could be considered one of the factors thataffect the immune system status and function. To find the relationbetween exercise and cytokines, we examined the possibleeffects of an 8-week endurance training program on theserum levels of cytokines, including tumour necrosis factor-alpha (TNF-α) and interferon-gamma (IFN-γ) in sedentarymen. A total of 30 healthy young male volunteers wererandomly divided into an endurance training group and a controlgroup. The training group followed a specific exerciseprotocol (running on a treadmill for 15∼30 min at 50∼70%maximal heart rate) for 8 weeks and the control group did notparticipate in any exercise program. Venous blood sampleswere collected from both the groups 24 h before and 24 hand 48 h after the exercise. Repeated ANOVA was used forstatistical purposes. The serum levels of TNF-α and IFN-γwere determined by ELISA. Significant (p<0.05) andnon-significant (p>0.05) decreases were observed in theserum levels of IFN-γ and TNF-α, respectively, after the8-week endurance training program. Our findings indicatedthat an 8-week endurance exercise may affect the serum levelsof some inflammatory cytokines, suggesting the beneficialrole of this training protocol in elderly population andpeople with certain conditions (inflammation of the vertebraeor other inflammatory diseases).