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Abolghasemi, Hassan,Panahi, Yunes,Ahmadinejad, Minoo.,Toogeh, Gholamreza,Karimi, Mehran,Eghbali, Aziz,Mirbehbahani, Nargess Bigom,Dehdezi, Bighan Keikhaei,Badiee, Zahra,Hoorfar, Hamid,Eshghi, Peyman,M KOREAN PHARMACOPUNCTURE INSTITUTE 2018 Journal of pharmacopuncture Vol.21 No.2
Objective: This study compared the safety and efficacy of $Safacto^{(R)}$ versus $xyntha^{(R)}$ in patients with severe hemophilia A. Methods: Thirty-three male patients with severe hemophilia A were randomly divided into two groups. Seventeen patients received $Safacto^{(R)}$ and 16 patients received $Xyntha^{(R)}$ for four consecutive times. The dosage of FVIII was 40-50 IU/kg for each injection. Plasma level of FVIII activity was evaluated before every injection, 15 minutes after the injection and one month after the start of the trial. The rate of factor VIII activity, pain and joint motion were also assessed before and after the treatment. Results: Plasma level of FVIII clotting activity in $Safacto^{(R)}$ and $Xyntha^{(R)}$ were $1.96{\pm}0.5IU/dl$ and $1.63{\pm}0.5IU/dl$ and increased to $88.84{\pm}25.2IU/dl$ and $100.09{\pm}17.8IU/dl$, respectively (P<0.001). Pain score and range of motion improvement were $9.3{\pm}0.9$ and $8.7{\pm}0.1$ in $Safacto^{(R)}$ (P=0.17); and $9.4{\pm}0.8$ and $8.8{\pm}0.3$ in $Xyntha^{(R)}$ (P=0.35), respectively. No allergic or other unfavorable reactions was observed with either of the preparations. Conclusion: This study showed that $Safacto^{(R)}$ has a favorable efficacy and safety profile.
Hassan Abolghasemi,Yunes Panahi,Minoo Ahmadinejad,Gholamreza Toogeh, MD,Mehran Karimi,Aziz Eghbali,Nargess Bigom Mirbehbahani,Bighan Keikhaei Dehdezi,Zahra Badiee,Hamid Hoorfar,Peyman Eshghi,Nader Mag 대한약침학회 2018 Journal of pharmacopuncture Vol.21 No.2
Objective: This study compared the safety and efficacy of Safacto® versus xyntha® in patients with severe hemophilia A. Methods: Thirty-three male patients with severe hemophilia A were randomly divided into two groups. Seventeen patients received Safacto® and 16 patients received Xyntha® for four consecutive times. The dosage of FVIII was 40-50 IU/kg for each injection. Plasma level of FVIII activity was evaluated before every injection, 15 minutes after the injection and one month after the start of the trial. The rate of factor VIII activity, pain and joint motion were also assessed before and after the treatment. Results: Plasma level of FVIII clotting activity in Safacto® and Xyntha® were 1.96±0.5 IU/dl and 1.63±0.5 IU/dl and increased to 88.84±25.2 IU/dl and 100.09±17.8 IU/ dl, respectively (P<0.001). Pain score and range of motion improvement were 9.3±0.9 and 8.7±0.1 in Safacto® (P=0.17); and 9.4±0.8 and 8.8±0.3 in Xyntha® (P=0.35), respectively. No allergic or other unfavorable reactions was observed with either of the preparations. Conclusion: This study showed that Safacto® has a favorable efficacy and safety profile.
Effect of silica nanoparticles on the phase inversion of liquid-liquid dispersions
Hossein Abolghasemi,Maliheh Raji Asadabadi,Mohammad Ghannadi Maragheh,Payman Davoodi Nasab 한국화학공학회 2013 Korean Journal of Chemical Engineering Vol.30 No.3
The effect of silica nanoparticles on phase inversion of liquid-liquid dispersions in a stirred vessel was investigated. The studied systems were toluene dispersed in water and vice versa. In the first set of experiments, phase inversion behavior of systems without Silica nanoparticles was evaluated and subsequent experiments were conducted in the presence of the nanoparticles. For this purpose, Silica nanoparticles of different concentrations (0.01, 0.03, 0.05,0.07 wt%) were dispersed in water. The nanofluid stability was examined using an ultraviolet-visible (UV-vis) spectrophotometer. The results indicated that increase in silica nanoparticle concentrations up to 0.07 wt% led to increase in agitation speed of phase inversion 43-53.5% and 38.5-45% in the case of O/W and W/O dispersions, respectively. Consequently, the tendency of dispersions to inversion diminished as nanoparticle concentrations increased. Finally,0.05 wt% of silica nanoparticle was selected as the optimum on the range studied.
Ehsan Sadeghi Pouya,Hossein Abolghasemi,Mohamad Esmaieli,Hooman Fatoorehchi,Seyed Jalaledin Hashemi,Alireza Salehpour 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.31 No.-
The performance of modified vermiculite for the batch adsorption of benzoic acid from aqueous solutionwas studied. Grinding treatment enhanced the ion exchange ability of natural vermiculite. Cetyltrimethylammonium bromide improved the adsorptive characteristics of ground vermiculitebetter than cetylpyridinium bromide. The optimum conditions were obtained as the adsorbent dosage of0.5 g/50 mL, initial pH of 3.5 and contact time of about 140 min. The pseudo-second-order modelprovided a good correlation of the kinetic data. The equilibrium data were well described by theLangmuir and Temkin equations. Thermodynamically, it was concluded that the process is endothermicand spontaneous.
Synergistic extraction and separation of Dysprosium and Europium by supported liquid membrane
Parisa Zaheri,Hossein Abolghasemi,Toraj Mohammadi,Mohammad Ghannadi-Maragheh 한국화학공학회 2015 Korean Journal of Chemical Engineering Vol.32 No.8
Synergistic extraction and separation of Dysprosium (Dy) and Europium (Eu) via supported liquid membrane (SLM) were investigated using mixture of di-2-ethylhexyl phosphoric acid (D2EHPA) and Bis (2,4,4-trimethylpentyl) phosphinic acid (Cyanex272). The results showed that separation of Dy and Eu was highly dependent on the pH of feed solution. Dy can be extracted more than Eu, because the equilibrium constant for Dy using the mixture of D2EHPA and Cyanex272 was greater than that for Eu. Various parameters were optimized to achieve maximum separation factor, namely feed phase pH, carrier concentration and stripping phase concentration. The membrane was stable at six cycles of operation.
Hooman Fatoorehchi,Hossein Abolghasemi,Reza Zarghami,Randolph Rach,Sebastian von Freeden 한국화학공학회 2015 Korean Journal of Chemical Engineering Vol.32 No.9
An efficient method based on the Faddeev-Leverrier algorithm combined with the Adomian decomposition method is devised to facilitate the stability analysis of multi-input multi-output control systems. In contrast to prior eigenvalue algorithms, our method affords all eigenvalues of the state matrix, either real or complex. Specifically, the calculation of the complex eigenvalues is made possible through special canonical forms, mainly involving square root operators, of the characteristic equation of the state matrix. Moreover, the proposed method does not require an initial guess, which is often a matter of concern since an inappropriate guess can cause failure in such available schemes. For the sake of illustration, a number of numerical examples, including chemical reaction processes, are also provided that demonstrate the efficiency of our new technique.
Barriers to Health Service Utilization Among Iranian Female Sex Workers: A Qualitative Study
Mehran Asadi-AliAbadi,Jamileh Abolghasemi,Shahnaz Rimaz,Reza Majdzadeh,Fereshteh Rostami-Maskopaee,Effat Merghati-Khoei 대한예방의학회 2018 Journal of Preventive Medicine and Public Health Vol.51 No.2
Objectives: In most countries around the world, sex work is an illegal activity. Female sex workers (FSWs) in Iran hide their identities, and they are known to be a hard-to-reach population. Despite free access to HIV testing, fewer than half of FSWs receive HIV testing. The purpose of this study was to characterize the reasons for which FSWs do not seek testing at drop-in centers (DICs) and voluntary counseling and testing (VCT) centers in Iran. Methods: A qualitative study was conducted in 2016. The participants were 24 FSWs who received services at VCT centers and DICs for vulnerable females in the north of Iran and 9 males who were the clients of FSWs. In this study, we made use of purposive sampling and carried out a thematic analysis. Results: We found 4 major and 6 minor themes. The major themes were: fear of being infected (with HIV), stigma, indifference, and knowledge. Conclusions: Despite the significant efforts made by the government of Iran to establish and expand DICs for vulnerable females, the number of FSWs receiving services at these centers has not been very considerable. Consequently, by introducing and implementing training programs for peer groups, it may be possible to take steps toward establishing strategic programs for the control and prevention of HIV/AIDS.
Barriers to Health Service Utilization Among Iranian Female Sex Workers: A Qualitative Study
Asadi-AliAbadi, Mehran,Abolghasemi, Jamileh,Rimaz, Shahnaz,Majdzadeh, Reza,Rostami-Maskopaee, Fereshteh,Merghati-Khoei, Effat The Korean Society for Preventive Medicine 2018 Journal of Preventive Medicine and Public Health Vol.51 No.2
Objectives: In most countries around the world, sex work is an illegal activity. Female sex workers (FSWs) in Iran hide their identities, and they are known to be a hard-to-reach population. Despite free access to HIV testing, fewer than half of FSWs receive HIV testing. The purpose of this study was to characterize the reasons for which FSWs do not seek testing at drop-in centers (DICs) and voluntary counseling and testing (VCT) centers in Iran. Methods: A qualitative study was conducted in 2016. The participants were 24 FSWs who received services at VCT centers and DICs for vulnerable females in the north of Iran and 9 males who were the clients of FSWs. In this study, we made use of purposive sampling and carried out a thematic analysis. Results: We found 4 major and 6 minor themes. The major themes were: fear of being infected (with HIV), stigma, indifference, and knowledge. Conclusions: Despite the significant efforts made by the government of Iran to establish and expand DICs for vulnerable females, the number of FSWs receiving services at these centers has not been very considerable. Consequently, by introducing and implementing training programs for peer groups, it may be possible to take steps toward establishing strategic programs for the control and prevention of HIV/AIDS.