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5 results on '"Seyed Amin Mirmohammadi"'

2. Preparation of an enhanced nanohybrid alloy based on polylactic acid/polycarbonate/nanosilica

Author

Nasrin Moshiri-Gomchi, Shahram Mehdipour-Ataei, Javad Mokhtari-Aliabad, Elham Irani-Kolash, Ali Talebi-Liasi, Seyed Amin Mirmohammadi, Sara Sabahi, and Naeimeh Bahri-Laleh

Subjects
Materials science, Nanocomposite, Polymers and Plastics, General Chemical Engineering, Alloy, 02 engineering and technology, engineering.material, 021001 nanoscience & nanotechnology, chemistry.chemical_compound, 020401 chemical engineering, Polylactic acid, chemistry, visual_art, Materials Chemistry, Ceramics and Composites, engineering, visual_art.visual_art_medium, 0204 chemical engineering, Composite material, Polycarbonate, 0210 nano-technology
Abstract

In order to enhance properties of polylactic acid (PLA), its blend with polycarbonate (PC) and silica nanofiller were prepared and their properties were compared with neat PLA and PLA/PC alloy. To ...

Published
2020

3. Evaluation of GS-loaded poly1-hexene as a new elastomeric drug release system

Author

Seyed Amin Mirmohammadi, Mehdi Salehi Barough, Sedigheh Shirbakht, and Naeimeh Bahri-Laleh

Subjects
Polymers and Plastics, Biocompatibility, Chemistry, General Chemical Engineering, PHEX, 02 engineering and technology, 010402 general chemistry, 021001 nanoscience & nanotechnology, Elastomer, 01 natural sciences, Combinatorial chemistry, 0104 chemical sciences, Analytical Chemistry, Polyolefin, chemistry.chemical_compound, Hexene, Drug delivery, Drug release, Ziegler–Natta catalyst, 0210 nano-technology
Abstract

In this study, one of the higher Poly α-olefins, poly1-hexene (PHex), was rationalized for possible application in in-vitro drug delivery system. In this aspect, PHex was synthesized using ...

Published
2019

4. Hybrid Organic-Inorganic Nanocomposites Based on Poly(ϵ-Caprolactone)/Polyhedral Oligomeric Silsesquioxane: Synthesis andIn VitroEvaluations

Author

Mohammad Imani, Seyed Amin Mirmohammadi, Mohammad Atai, and Hiroshi Uyama

Subjects
chemistry.chemical_classification, geography, geography.geographical_feature_category, Nanocomposite, Materials science, Polymers and Plastics, General Chemical Engineering, technology, industry, and agriculture, Nanoparticle, macromolecular substances, Polymer, musculoskeletal system, Ring-opening polymerization, Silsesquioxane, Analytical Chemistry, chemistry.chemical_compound, chemistry, Specific surface area, Polymer chemistry, Monolith, Ethylene glycol
Abstract

Hybrid poly(ϵ-caprolactone) (PCL) containing nanocomposites and non-hybrid linear PCL diols were synthesized by anionic ring opening polymerization of ϵ-caprolactone on a POSS or ethylene glycol central blocks, respectively. Monolith scaffolds were then fabricated from the hybrid nanocomposites and non-hybrid linear PCL diols via non-solvent induced phase separation technique. The effects of inclusion of POSS nanocage in the polymer chain structure on specific surface area and pore size of the scaffolds was investigated by multipoint BET method. This perfect scrutiny will introduce an excellent nanoparticle pendent to the PCL chains to promote the in vitro properties of the implants potentially applicable in tissue engineering.

Published
2014

5. Investigation of Plasma Treatment on Poly(3-hydroxybutyrate) Film Surface: Characterization and Invitro Assay

Author

Seyed Amin Mirmohammadi, Shiva Irani, Mohammad Taghi Khorasani, and Hamid Mirzadeh

Subjects
Morphology (linguistics), Materials science, Polymers and Plastics, Biocompatibility, General Chemical Engineering, Materials Science (miscellaneous), Nanotechnology, Nanoindentation, In vitro, Characterization (materials science), medicine.anatomical_structure, Chemical engineering, Materials Chemistry, medicine, Wetting, Surface charge, Fibroblast
Abstract

O2 and CO2 gases plasma were applied to modify surface properties of bacterial source poly(3-hydroxybutyrate) (PHB) to improve its biocompatibility. Results indicated that the PHB films with an irregular and coralloid surface change to a regular surface morphology with nano indentation and nanoprotrusion, especially for O2 treated one, while no changes in bulk properties occurred. This led to an improved L-929 fibroblast cell growth of plasma-treated films compared with the untreated one. Further, we showed that among surface morphology, wettability and electrostatic interaction between cell and surface, the first two parameters have a more significant effect in obtaining biocompatibility feature.

Published
2012

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