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| 1 | EFFECT OF POLYANILINE AS A SURFACE MODIFIER OF TiO_2 NANO-PARTICLES ON THE PROPERTIES OF POLYVINYL CHLORIDE/TiO_2 NANOCOMPOSITES显示文摘Surface of TiO2 nanoparticles was modified with the in situ chemical oxidative polymerization of aniline. Polyaniline modified TiO2 nanoparticles (PANI-TiO2 ) were characterized with the FT-IR, XRD, SEM and TEM techniques. Results confirmed that PANI was grafted successfully on the surface of TiO2 nanoparticles, therefore agglomeration of nanoparticles decreased dramatically. Polyvinyl chloride nanocomposites filled with 1 wt% 5 wt% of PANI-TiO2 and TiO2 nanoparticles were prepared via the solution blending method. PVC nanocomposites were analyzed with FT-IR, XRD, SEM, TG/DTA, DSC and tensile test techniques. Effect of PANI as surface modifier of nanoparticles was discussed according to the final properties of PVC nanocomposites. Results demonstrated that deposition of PANI on the surface of TiO2 nanoparticles improved the interfacial adhesion between the constituents of nanocomposites, which resulted in better dispersion of nanoparticles in the PVC matrix. Also PVC/PANI-TiO2 nanocomposites showed higher thermal resistance, tensile strength and Young's modulus compared to those of unfilled PVC and PVC/TiO2 nanocomposites. | Ali Olad Sepideh Behboudi Ali Akbar Entezami | 2013 | Chinese Journal of Polymer Science2013，31，3： | 6 |
| 2 | Immunomodulatory effects of astragalus polysaccharide on Human peripheral blood mononuclear cells co-cultured with cervical cancer cell lineImmunomodulatory effects of astragalus polysaccharide on Human peripheral blood mononuclear cells co-cultured with cervical cancer cell line显示文摘OBJECTIVE:To investigate immunomodulatory effects of Astragalus polysaccharides(APS)on the co-culture of peripheral blood mononuclear cells(PBMCs)with He La cervical cancer cell line.METHODS:To assess the proliferation of PBMCs,carboxyfluorescein succinimidyl ester(CFSE)-labeled PBMCs were co-cultured with He La cells and treated with different concentrations of APS.Supernatants of cell culture were collected for cytokines assay via enzyme-linked immunosorbent assay(ELISA).The impact of APS on the proliferation of PBMCs,induction of regulatory T cells(Tregs),and myeloid-derived suppressor cells(MDSCs)was carried out by flow cytometry.RESULTS:It was observed that APS could increase the proliferation of PBMCs co-cultured with He La cells(P<0.05).However,APS had no significant effects on the induction of Tregs and MDSCs in the co-culture assay(P>0.05).Furthermore,ELISA results demonstrated that APS could decrease IL-10 and TGF-βconcentration(P<0.05).CONCLUSION:The above-mentioned characteristics showed that APS might be able to modulate immune responses and improve anti-tumor effects through increasing the proliferation of PBMCs and decreasing inhibitory cytokines secretion as critical mediators of immune suppression in the tumor microenvironment. | Elham Shokati Mohammad-Reza Shokri Kobra Entezami Samaneh Khorrami Mona Amani Morteza Motallebnezhad Elahe Safari | 2021 | Journal of Traditional Chinese Medicine2021，41，5： | 5 |
| 3 | SYNTHESIS OF TRIBLOCK COPOLYMERS OF STYRENE AND ISOPRENE BY A NITROXIDE-MEDIATED LIVING FREE RADICAL POLYMERIZATION显示文摘The controlled free radical polymerization of styrene and isoprene initiated with benzoyl peroxide (BPO) in the presence of 2,2,6,6-tetramethyl piperidine-N-oxyl (TEMPO) at 125 'C were performed. The obtained polyisoprene and polystyrene homopolymers served as macroinitiators for block copolymerization of isoprene and styrene to synthesize poly- (styrene-b-isoprene) and poly(isoprene-b-styrene) diblock copolymers. Diblock copolymers with well-defined structures as well as controlled and narrow molecular weight distribution were obtained from the lower-mass polystyrene and polyisoprene homopolymers. These copolymers were found to be active as macroinitiators in the synthesis of the poly(styrene-b-isoprene-b-styrene) and poly(isoprene-b-styrene-b-isoprene) triblock copolymers. 1H-NMR spectroscopy and gel permeation chromatography (GPC) were used for the investigation of polymer structure, molecular weight and polydispersity (PD). | P. Najafi Mogaddam A. Entezami | 2004 | Chinese Journal of Polymer Science2004，22，1： | 2 |
| 4 | Nitroxide mediated living radical polymerization of styrene onto poly (vinyl chloride) 显示文摘 | M Abbasian A A Entezami | 2007 | polym Adv Technol2007，18，： | 1 |
| 5 | Improving the barrier and mechanical properties of corn starch- based edible films: Effect of citric acid and carboxymethyl cellulose 显示文摘 | Ghanbarzadeh B Almasi H Entezami A A | 2011 | Industrial Crops and Products2011，，33： | 1 |
| 6 | Noninvasive prenatal detection of chromosomal aneuploidies using different next generation sequencing strategies and algorithms显示文摘 | Stumm M Entezami M Trunk N | 2012 | Prenatal Diagnosis2012，32，6： | 1 |
| 7 | Physical properties of edible modified starch/carboxymethyl cellulose films 显示文摘 | Ghanbarzadeh B Almasi H Entezami A A | 2010 | Innovative Food Science & Emerging Technologies2010，11，4： | 1 |
| 8 | Azo-containing polymethacrylates bearing spiroacetal norbornene moeity and methylene spacers:synthesis and characterization显示文摘 | Pourjavadi A Mirjalili B F Entezami A A | 2001 | European Polymer Journal2001，37，10： | 1 |
| 9 | Fault detection and diagnosis within a wind turbine mechanical braking system using condition monitoring显示文摘 | M. Entezami S. Hillmansen P. Weston M.Ph. Papaelias | 2012 | Renewable Energy2012，，： | 1 |
| 10 | How can chemical compounds alter human fertility显示文摘 | Massaad C Entezami F Messade I | 2002 | European Journal of Obstetrics and Gynecology and Reproductive Biology2002，100，2： | 1 |
| 11 | The effect ofgrafted poly(ethylene glycol monomethyl ether) on particlesize and viscosity of aqueous polyurethane dispersions显示文摘 | Mohaghegh SMS Barikani M Entezami AA | 2006 | Colloid Surf A2006，，276： | 1 |
| 12 | Non-covalent dendrimer-based liquid crystalline complexes: Synthesis and characterization 显示文摘 | Didehban K Namazi H Entezami A A | 2010 | Eur Polym J2010，46，： | 1 |
| 13 | Acrylic Type Polymers Containing Iburofen and Indomethain with Difunctional Spacer Group显示文摘 | Entezami A A | 1997 | J Control Rel1997，47，： | 1 |
| 14 | Synthesis and Hydrolysis of Polyurethanes Containing Iburofen Pendent Groups显示文摘 | Entezami A A | 1997 | J Bioact Compat Polym1997，6，： | 1 |
| 15 | Comparative study on the enzymatic polymerization of N-substituted aniline derivatives显示文摘 | Nabld M R Entezami A A | 2005 | Polymer for Advanced Technologies2005，16，4： | 1 |
| 16 | Fauh detection and diag- nosis within a wind turbine mechanical braking system using condi- tion monitoring显示文摘 | Entezami M Hillmansen S Weston | 2012 | RENEWABLE ENERGY2012，47，： | 1 |
| 17 | A novel meth- od for synthesis of water -soluble polypyr- role with horseradish peroxidase enzyme 显示文摘 | Nabid M R Entezami A A | 2004 | Journal of Applied Polymer Science2004，94，1： | 1 |
| 18 | The effect of srafted poty(ethylene glycol monomethyl ether) on particle size and viscosity of aqueous polyurethane dispersions 显示文摘 | SEYED M S M BARIKANI M ENTEZAMI A A | 2006 | Colloids and Surfaces (A) : Physicochemical and Engineering Aspect2006，276，123： | 1 |
| 19 | Physical proper- ties of edible modified starch/carboxymethyl cellulose films显示文摘 | Ghanbarzadeh B Almasi H Entezami A A | 2010 | Innovative Food Science & Emerging Technologies2010，11，4： | 1 |
| 20 | Physicochemi- cal properties of starch - CMC - nanoclay biodegradable films 显示文摘 | Almasi H Ghanbarzadeh B Entezami A A | 2010 | International journal of biological macromole- cules2010，46，1： | 1 |
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