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Mohammad Khaksari,Gholamreza Asadikaram,Amir Rahnema,Mehdi Mahmoodi,Gholamhosein Hasanshahi,Mohammad Hashemi,Mohammad Khaksari 대한약리학회 2011 The Korean Journal of Physiology & Pharmacology Vol.15 No.6
It has been shown that some opium derivatives promote cell death via apoptosis. This study was designed to examine the influence of opium addiction on brain and liver cells apoptosis in male and female diabetic and non-diabetic Wistar rats. This experimental study was performed on normal, opium-addicted, diabetic and diabetic opium-addicted male and female rats. Apoptosis was evaluated by TUNEL and DNA fragmentation assays. Results of this study showed that apoptosis in opium-addicted and diabetic opium-addicted brain and liver cells were significantly higher than the both normal and diabetic rats. In addition, we found that apoptosis in brain cells of opium-addicted and diabetic opium-addicted male rats were significantly higher than opium-addicted and diabetic opium-addicted female, whereas apoptosis in liver cells of opium-addicted and diabetic opium-addicted female rats were significantly higher than opium-addicted and diabetic opium-addicted male. Overall, these results indicate that opium probably plays an important role in brain and liver cells apoptosis, therefore, leading neurotoxicity and hepatotoxicity. These findings also in away possibly means that male brain cells are more susceptible than female and interestingly liver of females are more sensitive than males in induction of apoptosis by opium.
Niyaz Mohammad Mahmoodi,Mahdieh Sadat Mirmohammad Ali Roudaki,Khadijeh Didehban,Mohammad Reza Saeb 한국화학공학회 2019 Korean Journal of Chemical Engineering Vol.36 No.9
The worth of this work lies in giving the surface of starch a positive charge for removal of azo dyes. A novel ethylenediamine/glutaraldehyde-modified starch (SEG) bioadsorbent was developed here, characterized by Fourier infrared spectroscopy and scanning electron microscopy analyses, and then applied in removal of Direct Red 23 (DR23) and Acid Blue 92 (AB92) anionic dyes from aqueous solutions. The efficacy of the SEG as bio-based adsorbent was studied in terms of adsorption characteristics, including dye removal percent, adsorption capacity, adsorption kinetic and adsorption isotherm, taking the initial dye concentration, adsorption time and SEG dosage as changing variables. Overall, it was found that the SEG is an efficient bio-based adsorbent in removal of anionic dyes. Experimental analyses (Temperature=25 oC & pH=2) revealed that either a pseudo-second-order kinetic or Langmuir isotherm model can properly express the behavior of adsorption based on chemisorption phenomenon. For structural change characterization, FT-IR analysis was performed. The highest adsorption efficiency belonged to the solution in which 0.035 g SEG was added to 30mg/L water.
Niyaz Mohammad Mahmoodi,Jafar Abdi 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.80 No.-
Herein, Zeolitic imidazole framework-8 (ZIF-8) as a 3D nanoporous support was synthesized and itssurface was functionalized to attain amino-functionalized nanoparticles. Laccase enzyme was covalentlyimmobilized onto ZIF-8 nanoparticles via glutaraldehyde (GA) as the linker to prepare a novel MOF-basednanobiocatalyst (NBC) for degrading organic pollutant (Acid Blue 92: AB92). The FTIR, FESEM, TEM, XRD,BET, and TGA were employed for characterizing of all prepared samples. The effect of catalyst mass, AB92concentration, temperature, and pH were studied on dye decolorization of. The results showed that thebiodegradation amount of AB92 followed by the Michaelis-Menten kinetic model.
Synthesis of urethane sodium carboxylate and its dye removal ability from single system
Niyaz Mohammad Mahmoodi,Omeleila Masrouri,Farhood Najafi 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.4
Urethane sodium carboxylate (USC) was synthesized and its dye removal ability was investigated. USC characteristics were studied using FTIR and SEM. Basic Blue 41 (BB41), Basic Red 18 (BR18), and Basic Violet 16 (BV16) were used. The effect of adsorbent dosage, dye concentration and salt on dye removal was evaluated. Adsorption kinetics followed pseudo-second order. The USC adsorption capacity was 474, 538 and 298 mg/g for BB41, BR18 and BV16, respectively. Adsorption isotherm followed with Langmuir isotherm. The results showed that the USC might be a suitable adsorbent to remove dyes from colored wastewater.
Niyaz Mohammad Mahmoodi 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.4
Core–shell magnetic adsorbent nanoparticle (CSMAN) was synthesized and used to remove dye from binary system. The characteristics of CSMAN were investigated using FTIR and SEM. Acid Red 18 (AR18), Direct Green 6 (DG6) and Direct Red 31 (DR31) were used. The effect of adsorbent dosage, dye concentration and salt on dye removal was evaluated. Kinetic and isotherm of dye adsorption followed pseudo-second order and Langmuir isotherm, respectively. The maximum dye adsorption capacity (Q0) was 588, 333 and 323 mg/g for AR18, DG6 and DR31, respectively. Selectivity analysis for binary system showed that the magnetic adsorbent had no selectivity.
Maryam Mohammad-Sadeghipour,Mehdi Afsharinasab,Maryam Mohamadi,Mehdi Mahmoodi,Soudeh Khanamani Falahati-pour,Mohammad Reza Hajizadeh 대한비만학회 2020 The Korean journal of obesity Vol.29 No.3
Background: Metabolic syndrome (MetS) is a complex clinical disorder that can lead to an increase in oxidative stress. Patients with this syndrome are at risk of diabetes and cardiovascular disease. The Trigonella foenum-graecum L. (fenugreek) plant has many therapeutic effects, including anti-diabetic and antioxidant. The present study aimed to investigate the effects of the hydro-alcoholic extract of fenugreek seeds (HEFS) on dyslipidemia and oxidative stress due to high-fructose diet-induced MetS. Methods: In this experimental study, to induce MetS, animals received water containing 20% fructose for 8 weeks. After induction of MetS, 48 male Wistar rats (200–250 g) were randomized into six groups. HEFS was administered to animals at doses of 100 and 200 mg/kg orally for 4 weeks. Animal blood samples were collected to measure biochemical and antioxidant parameters of fasting plasma glucose (FPG), total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), triglycerides (TG), malondialdehyde (MDA), glutathione peroxidase (GPX), catalase (CAT), and total antioxidant capacity (TAC). Results: The findings showed that the serum levels of FPG, TC, LDL-C, TG, and MDA were significantly reduced in HEFS-exposed groups compared with the control group (P<0.05). Also, significant increases in HDL-C, GPX, CAT, and TAC levels (P<0.05) were observed. Conclusion: Our results revealed that treatment with HEFS increases the levels of antioxidant enzymes, decreases FPG level, and at the same time, modifies the lipid profile in MetS. Therefore, HEFS may help to alleviate the risk of some chronic complications of this disease.
Surface modification of magnetic nanoparticle and dye removal from ternary systems
Niyaz Mohammad Mahmoodi 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.27 No.-
The surface of magnetic zinc ferrite nanoparticle (ZFN) was modified using sodium dodecyl sulfate (SDS). Dye removal ability of ZFN–SDS was investigated from ternary systems. The characteristics of ZFN–SDSwere studied using FTIR, SEM, TEM and XRD. Basic Blue 41 (BB41), Basic Red 18 (BR18) and Basic Violet16 (BV16) were used. The effect of operational parameters (adsorbent dosage and initial dyeconcentration) on dye removal was evaluated. The maximum adsorption capacity (Q0) was 42, 61 and16 mg/g for BB41, BR18 and BV16, respectively. Dye adsorption on ZFN–SDS followed pseudo-secondorder kinetics and Langmuir isotherm model.
Synthesis of cationic polymeric adsorbent and dye removal isotherm, kinetic and thermodynamic
Niyaz Mohammad Mahmoodi,Unes Sadeghi,Afshin Maleki,Bagher Hayati,Farhood Najafi 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.5
Poly(quaternary ammonium salt) (PQAS) as a cationic polymeric adsorbent was synthesized and characterized by FTIR. Isotherm, kinetic and thermodynamic of dye removal from single and binary systems was investigated. Acid Blue 25 (AB25) and Acid Red 18 (AR18) were used. The effect of operational parameters (adsorbent dose, pH, dye concentration and salt) on dye removal was studied. The dye removal followed the Langmuir isotherm and pseudo-first order kinetics. The adsorbent maximum dye adsorption capacity (Q0) was 2000 and 1667 mg/g for AB25 and AR18, respectively. The thermodynamic data showed that dye adsorption was spontaneous, endothermic, and a physisorption reaction.