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Ethanol Extracts of Achillea millefolium and Hypericum perforatum Low Anti-Toxoplasma Activity
Nozari, Shagayegh,Azadmehr, Abbas,Nassiri-Asl, Marjan,Jahani-hashemi, Hasan,Adine, Mohtaram,Javadi, Farzaneh,Shahnazi, Mojtaba,Saraei, Mehrzad KOREAN PHARMACOPUNCTURE INSTITUTE 2016 Journal of pharmacopuncture Vol.19 No.1
Objectives: This study was performed to determine the lethal and the inhibitory effects of ethanol extracts of Achillea millefolium (A. millefolium) and Hypericum perforatum (H. perforatum) on Toxoplasma gondii (T. gondii) RH strain tachyzoites in vitro. Methods: The tachyzoites were treated with concentrations of 10, 50, and 100 mg/mL of A. millefolium and H. perforatum extracts within 10, 30, and 45 minutes in the wells. The mortality rates of tachyzoites treated with extracts were determined by using alkaline methylene blue staining. Also, the tachyzoites in cell cultures were treated with concentrations of 50, 100, and 200 mg/mL of these extracts. The cell viability, inhibition concentration ($IC_{50}$), and selectivity were determined from MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assays. Results: In the cell-free in vitro study, all of tachyzoites were killed at concentrations of 100 mg/mL of both extracts while at concentration 10 mg/mL, the mortality was 4.53% - 5.31%. In the cell culture study, the values of the effective concentration ($EC_{50}$) were 215 and $153{\mu}g/mL$ and the selectivities were 0.73 and 0.69 for the A. millefolium and the H. perforatum extracts, respectively. Conclusion: We conclude that neither extracts has any significant effect on the tachyzoites of T. gondii in cell cultures.
Ethanol Extracts of Achillea millefolium and Hypericum perforatum Low Anti-Toxoplasma Activity
Shagayegh Nozari,Abbas Azadmehr,Marjan Nassiri-Asl,Hasan Jahanihashemi,Mohtaram Adine,Farzaneh Javadi,Mojtaba Shahnazi,Mehrzad Saraei 대한약침학회 2016 Journal of pharmacopuncture Vol.19 No.1
Objectives: This study was performed to determine the lethal and the inhibitory effects of ethanol extracts of Achillea millefolium (A. millefolium) and Hypericum perforatum (H. perforatum) on Toxoplasma gondii (T.gondii) RH strain tachyzoites in vitro. Methods: The tachyzoites were treated with concentrations of 10, 50, and 100 mg/mL of A. millefolium and H. perforatum extracts within 10, 30, and 45 minutes in the wells. The mortality rates of tachyzoites treated with extracts were determined by using alkaline methylene blue staining. Also, the tachyzoites in cell cultures were treated with concentrations of 50, 100, and 200 mg/mL of these extracts. The cell viability, inhibition concentration (IC50), and selectivity were determined from MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assays. Results: In the cell-free in vitro study, all of tachyzoites were killed at concentrations of 100 mg/mL of both extracts while at concentration 10 mg/mL, the mortality was 4.53% − 5.31%. In the cell culture study, the values of the effective concentration (EC50) were 215 and 153 μg/mL and the selectivities were 0.73 and 0.69 for the A. millefolium and the H. perforatum extracts, respectively. Conclusion: We conclude that neither extracts has any significant effect on the tachyzoites of T. gondii in cell cultures.
( Ehsan Nozari ),( Saied Ghavamzadeh ),( Nazanin Razazian ) 한국임상영양학회 2019 Clinical Nutrition Research Vol.8 No.1
Plasma homocysteine level and megaloblastic anemia status are two factors that can affect the quality of life of patients with multiple sclerosis (MS). We conducted this study to determine the effect of vitamin B12 and folic acid supplementation on serum homocysteine, megaloblastic anemia status and quality of life of patients with MS. A total of 50 patients with relapsing remitting multiple sclerosis (RRMS) included in this study which divided into 2 groups. The vitamin group received 5 mg folic acid tablet daily and 3 doses of vitamin B12 (1,000 mcg) injection and the other group received placebo and normal saline injection (same doses). The quality of life was measured by using Multiple Sclerosis Quality of Life-54 questionnaire (MSQOL-54). Fully automated fluorescence polarization immunoassay was used to measure serum homocysteine, vitamin B12 and folate. Complete blood count blood test was conducted to determine the anemia status. The mean homocysteine level reduced by 2.49 ± 0.39 μmol/L (p = 0.001), hemoglobin increased from 11.24 ± 1.54 to 13.12 ± 1.05 g/dL (p = 0.001), and mean corpuscular volume decreased from 95.50 ± 6.65 to 89.64 ± 4.24 in the vitamin group (p = 0.001). There was a significant improvement in the mental field of life quality in the placebo group (37.46 ± 19.01 to 50.98 ± 21.64; p = 0.001), whereas both physical and mental fields of quality of life were improved significantly in the vitamin group (40.38 ± 15.07 to 59.21 ± 12.32 and 29.58 ± 15.99 to 51.68 ± 18.22, respectively; p = 0.001). Serum homocysteine level decrease and anemia status improvement with vitamin B12 and folic acid supplementation reveal the potential role of these two vitamins in improving the life quality of MS patients.
In-situ Synthesis of SiO2 Nanoparticles on Polyester Fabric as Benign Multi-purpose Catalysts
Bahare Nozari,Majid Montazer,Mahnaz Mahmoudi Rad 한국섬유공학회 2018 Fibers and polymers Vol.19 No.12
Here, silica nanoparticles (NPs) as safe multi-purpose catalysts were in situ synthesized on PET fabric to achieve a higher quality fabric. The PET fabric was treated in an aqueous solution of sodium silicate and ammonia at boil for 1 h to insitu synthesis silica NPs along with aminolysis of the fabric. Effect of silica NPs as the multi-purpose catalysts on the fabric were subjected to various analysis such as self-cleaning, hydrophilic, antibacterial and antifungal properties and also thermal resistance. The surface morphology, the crystalline structure and elemental analysis were studied by Field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD) and map and energy dispersive X-ray (EDX) analysis. The optimized treated fabric indicated 4 s for the water to spread and 65 o for contact angle provided higher hydrophilic properties. Silica NPs on the fabric showed thermo-catalytic behavior protecting against yellowing at high temperature (200 oC for 3 h) proved the higher thermal resistance of the treated fabric. Also, the fabric specified good self-cleaning properties through discoloration of methylene blue solution. Further, the treated fabric proposed 100 % anti-bacterial and anti-fungal activities against Staphylococcus aureus, Escherichia coli and Candida albican along with good cell viability. Overall, this research indicates silica NPs as multi-purpose catalysts including photo, bio and thermo-catalyst on the PET fabric using low price materials.
Ali Saberimoghaddam,Ali Nozari 한국화학공학회 2017 Korean Journal of Chemical Engineering Vol.34 No.3
An experimental and statistical study was performed for the purification of hydrogen in an H2/CO2 mixture using the PSA process with activated carbon. This process has been extensively used for the high purification of gas mixtures. Central composite design (CCD) was used for the modeling and optimization of the process, regardless of complex and time-consuming equations generally employed in the literature. The statistical analysis of models, as obtained from the CCD method, revealed that distinct second-order polynomial equations, with F-value more than 200, p-value less than 0.0001, and R-squared more than 0.9900, could predict the experimental data for purity, recovery and productivity of hydrogen. Based on the established models, as the purge-to-feed (P/F) ratio increased, the purity increased, while the recovery and productivity decreased. The recovery and productivity first increased and then decreased as adsorption time increased. Thus, the optimal condition of the PSA process was obtained using the CCD models.
Epidemiologic and Socioeconomic Status of Bladder Cancer in Mazandaran province, Northern Iran
Ahmadi, Mohammad,Ranjbaran, Hossein,Amiri, Marzeih Momeninejad,Nozari, Jamshid,Mirzajani, Mohammad Reza,Azadbakht, Mohammad,Hosseinimehr, Seyed Jalal Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.10
Background: Bladder cancer is one the most common malignancies of the genitourinary tract. The present study aimed to assess the epidemiology, of bladder cancer in Mazandaran, a large province in northern Iran as high-incidence cancer area, during a 2-year period. Methods: The data for this study were obtained from the population-based cancer registry of the Vice-Chancellory for Health Affairs of Mazandaran University of Medical Sciences and Mazandaran hospitals between March 1, 2010 and March 1, 2011. Demographic data, including sex, age, residency and symptoms were investigated through careful review of medical records. Using a questionnaire protocol, several variables were assessed for these cases such as smoking, history of opium, vegetable consumption habits, and history of other cancers. Results: A total of 112 cases were analyzed, 98 (87.5%) in men and 14 (12.5%) in women (mean age of $68.0{\pm}14.6$ years). Urban and rural residence were 60.7% and 39.3%. Tobacco and opium use were found in 45.5% and 21.4% of patients, respectively. Approximately 60% consumed vegetables an average of fewer than one time per day. Hematuria was the first symptom in these cases which were mainly diagnosed as having bladder cancer by ultrasonography. Conclusion: The results showed that bladder cancer tends to be found in the elderly and the male to female ratio is high. Macroscopic hematuria is a very important symptom for indicating probably urothelial tumor that should be followed up patients with transabdominal ultrasonography as a routine modality.