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- 저자 : Khaneghah, Amin Mousavi (검색결과 4 건)
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Khaledeh Malekshahinezhad,Aziz Ahmadi-khaneghah,Hossein Behniafar 한국고분자학회 2020 Macromolecular Research Vol.28 No.6
TiO2 nanoparticles were surface modified by NH2-functionalized organic moieties, and then chemically loaded into diglycidyl ether of bisphenol A-derived epoxy networks. Amine functionalization of these organically modified nanoparticles allowed them to have an efficient participation in the curing processes. Alongside the main amine hardener, i.e., 3,3'-dimethyl-4,4'-diaminodicyclohexylmethane, the aminated TiO2 played the role of a new inorganic co-hardener. Thermal and microwave- assisted curing processes resulted in epoxy-based composites incorporated by uniformly dispersed TiO2 nanoparticles. Diffuse reflectance ultraviolet-visible spectra showed that unlike the neat synthesized counterparts, TiO2-loaded epoxy composites have significant absorption in the visible range of 400-700 nm. According to the results obtained from atomic force microscopy technique, it was found that the microwave-assisted curing process results in a smoother surface in comparison with the thermal one. Transmission electron microscopy obviously demonstrated that the average size of the loaded particles is below 50 nm. Thermogravimetric analysis of the TiO2-containing epoxy networks revealed that the resulted composites are thermally decomposed through a simple one-step process at about 360 °C. Dynamic mechanical thermal analysis profiles indicated that no agglomeration of the nanoparticles occurs during the curing processes of the epoxy resin, and the incorporated nanoparticles somewhat limit the segmental motions of the polymer chains.
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Meat Value Chain Losses in Iran
Ranaei, Vahid,Pilevar, Zahra,Esfandiari, Changiz,Khaneghah, Amin Mousavi,Dhakal, Rajan,Vargas-Bello-Perez, Einar,Hosseini, Hedayat Korean Society for Food Science of Animal Resource 2021 한국축산식품학회지 Vol.41 No.1
To stop hunger, reducing food losses is a potential movement towards saving food. A large portion of these losses could be avoided and reduced through the improved food chain in many countries. Raising awareness on how and where food losses occur will help recovering foods such as meat by identifying solutions and convincing people to implement those solutions. This, in turn, will lead to private and public efforts to recover meat that might be otherwise wasted. After highlighting the importance of food saving benefits and relevant statistics, this paper explains the possible ways to reduce meat loss and waste in abattoirs and presents a framework for prevention according to the estimates of meat losses in Iran meat supply. The current article answers the questions of where do we have the meat loss in Iran and what approaches are most successful in reducing losses in the meat industry. The national average loss and waste in meat production are about 300,000 metric tonnes (about 15%). Many segments and players are involved with this huge amount of losses in the meat value chain, a large portion of these losses could be avoided and reduced by about 25% through using by-products with the mechanization of design and manufacturing. The production amount of mechanically deboned meat (MDM) is 105,091,000 kg, concluding the major waste (88.33%) of total poultry losses. Ensuring appropriate actions by exploiting the full potential of engaged Iranian associations and institutes is considered to reduce the losses.
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Vahid Vatanpour,Borte Kose-Mutlu,Oyku Mutlu-Salmanli,Gulmire Ilyasoglu,Soheila Asadzadeh-Khaneghah,Aziz Habibi-Yangjeh,Ismail Koyuncu 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.117 No.-
Bi4O5I2 is one of the bismuth-rich oxyhalides that exhibited impressive activity in the photodegradationof different organic pollutants. In this research, Bi4O5I2 nanosheets were synthesized, characterized, andapplied for fabricating a hydrophilic and antifouling polyethersulfone (PES) membrane by blending in themembrane matrix. The prepared nanocomposite membranes exhibited improved antifouling propertiesespecially when UV irradiation was used during the washing of the fouled membranes. Hydrophilicityenhancement and photocatalytic property of the Bi4O5I2 nanosheets have an excellent synergistic effect,which can yield more hydroxyl radicals (OH) for efficient removal of the foulant from the membranesurface. The pure water flux can achieve 235.4 L/m2 h (3 bar) when 0.5 wt% Bi4O5I2 was used. The additionof the nanosheets to the membrane matrix in low amounts decreased the membrane surface roughnessand increased membrane porosity. The BSA, Reactive Orange 16, Reactive Black 5, and Pb(II)filtration tests showed that the 1 wt% Bi4O5I2 PES membranes provided a good performance of 98.3,70.3, 92.6, and 47.2 % rejection ability, respectively. In this research, for the first time, the Bi4O5I2 photocatalystwas blended into the membrane matrix which provided a new idea for the progress of highlyeffective self-cleaning ultrafiltration membranes.
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New prospective approaches in controlling the insect infestation in stored grains
Ahmad Mir Shabir,Bashir Mir Mudasir,Ahmad Shah Manzoor,Mumtaz Hamdani Afshan,Valiyapeediyekkal Sunooj Kappat,Phimolsiripol Yuthana,Mousavi Khaneghah Amin 한국응용곤충학회 2023 Journal of Asia-Pacific Entomology Vol.26 No.2
After harvest, food grains are kept in storage facilities for longer periods. Grain infestation during storage causes a significant loss in quality and market value. Various chemical methods have been implemented to control insect infestation in stored grains. However, the chemical fumigants for insects have been limited due to the resistance of insects, environmental concerns, and adverse effects on human health. Therefore, there is a need for viable alternatives for insect disinfestation, which can be residue-free and acceptable at the national and international markets. The new techniques used in the grain industry for insect control during storage gave promising results with high mortality. New methods, such as cold plasma, are becoming a safer tool for the disinfestation of stored grains. The new techniques are rapid and can be applied to bulk material without affecting the quality of grains.
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