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Showing 81 results for Mohamadi


Volume 14, Issue 2 (3-2023)
Abstract

The social, economic and political contexts of the Abbasid era have given rise to many movements throughout history. The series of Sadat movements and especially Hassanian has occupied a significant part of these movements. The subject of this research is to identify and analyze the sociological contexts of Hassani movements according to economic characteristics. This research analyzes Hassani movements from a sociological perspective using a library method. These movements can be categorized as traditional movements. Historical evidence suggests that economic benefits have historically been significant to Sadat. It was not socially acceptable for Sadat to earn a living through agriculture or labor. Instead of farming, which was the occupation of the masses, Sadat deserved to earn a living through war, leadership, sovereignty, and superiority over other people. In fact, the Hassanids realized that with the government they could overcome their financial disputes with their Hosseini brothers; And to fulfill in practice Abdullah's long-standing wish to continue the Imamate in the Hassani branch; And to overcome the financial and economic possibilities of the Islamic Caliphate Among the ideals of the Hassanian movement are the legitimacy and superiority of the sons of Imam Hassan, the illegitimacy of the Abbasids, economic justice, adherence to the Book of God and the Sunnah of the Prophet (PBUH) and the need for the Imam to rise up against the ruler.
 

Volume 14, Issue 4 (1-2015)
Abstract

  In this paper, a new configuration for delta conversion UPS is proposed, which could help the system for better utilization of the UPS inverters. In this configuration, parallel and series inverters of the conventional delta conversion UPS, under the grid fault conditions, are connected in parallel which help to share the load power and this results in utilizing the series inverter during fault mode. Therefore, using this configuration not only decreases the total capacity of the UPS inverters, but also decreases the system total cost. In the proposed configuration, two inverters have the same sizes and specifications which results in the system modularity that simplifies its implementation and maintenance and reduces the manufacturing and life cycle cost of the UPS system. In addition, the proposed configuration increases the system reliability. To illustrate proper operation of the proposed configuration, some simulations are carried out under the different conditions. The given simulation results validate appropriate operation of the proposed configuration.

Volume 14, Issue 6 (11-2012)
Abstract

During a survey of plant-parasitic nematodes in Bamyan and Mazar Sharif provinces of Afghanistan, several species of plant-parasitic nematodes belonging to infraorder Tylenchomorpha were detected and identified. Filenchus facultativus; Filenchus discrepans; Filenchus elegantulus; Boleodorus volutus; Neopsilenchus magnidens; Coslenchus costatus; Ditylenchus myceliophagus; Tylenchorhynchus clarus; Paratylenchus microdorus and Merlinius neohexagrammus are reported here for the first time from Afghanistan. Detailed examination of M. neohexagrammus using SEM microscopy confirmed this species in the genus Merlinius by having a labial disc not marked and with four longitudinal striations on the lip region, amphid apertures located at the lateral edge of labial disc and lateral field at mid-body areolated.

Volume 15, Issue 1 (1-2013)
Abstract

Due to the positive effects of fiber on human health, production and distribution of high fiber containing foods is on the increase. Amongst different foods, bread is a suitable option to convey fiber in human diets. Flat breads which are very common in Asian countries, are mainly produced from white flour and hence are low in fiber. The main objectives followed in this study were to produce high fiber Barbari bread (a popular flat bread) using wheat bran, while minimizing the adverse effects of inclusion of bran in the bread recipe. To achieve this, wheat bran of different levels (0-20%, w/w flour basis) and particle sizes (170, 280, 425 and 750 mm) were added to Barbari bread recipe. Using Brabender Farinograph, it was found that with increase in bran level and its particle size, the water absorption of the dough increased. Color determination results showed that the bread crust color became darker as the level of the bran and its particle size increased. The results of determination of the bread texture using Texture Profile Analyser, showed that the bread became harder and less cohesive with increase of the fiber in the dough and for each bran particle size. According to the panelists, barbari breads constituted the most appropriate breads with up to 15% bran with particle sizes of shorter than 280 mm. In total, it was concluded that by a control of the level and particle size of the bran, it is possible to increase the fiber content of the bread without any significant adverse effects on the quality.

Volume 15, Issue 1 (Spring & Summer 2023)
Abstract

With the arrival of Muslims in Iran, a new chapter in the social and religious history of the Iranian people began. However, the arrival of Islam in Iran faced many challenges and resistances in various regions. Among the various regions, Persia was one of the regions that showed resistance and practically became the base for the protection of the former religion; Meanwhile, due to the establishment of a Zoroastrian local government, Kazerun was able to maintain the cohesion of its Zoroastrian community until the early fifth century AH. Given the various pressures on Zoroastrian communities by newcomers and neo-Muslims, understanding the continuity of the independent Zoroastrian community in southwestern Persia until the early fifth century AH seems necessary. This research seeks to examine the contexts of continuity and evolution of the Zoroastrian community of Kazerun during the first centuries of Islam. The present research has been done by descriptive-analytical method and relying on library resources.
The findings of this study show that despite the excessive pressure of the new rulers of the Zoroastrian community of Kazerun and the imposition of various restrictions, they managed to survive by maintaining coherence in their structure and actions and having a Zoroastrian ruler, but from the late fourth century and In the early fifth century, with the emergence of many conflicts with the Morshidiyya sect of Kazerun, they faced problems in the management of society, and finally, by migrating to mountainous and rural areas, they continued their life in a different style and way.

Volume 15, Issue 3 (Fall 2011)
Abstract

     Since the majority of damages due to infringement of patent are lost profits, it is essential to govern its compensation. The US legal system has admitted the owner lost profits and reasonable royalty as two criteria for determining compensation. According to 4-staged Panduit’s way, in case of existence of demand in the market, absence of substitute in the market, patentee's ability to meet demand and proving profit margin, the 1st criterion is exploited. According to lost profits, only those profits can be compensated whose causes are available and the obstacle is absent. In case that even one of the Panduit’s requirements is not met or, at the request of the patentee, the amount of compensation is determined in compliance with the reasonable royalty. In Iranian law, separation of remediable and irremediable profits is treated like that of the USA, and only part of the future profits is remediable according to the principle of lost profits. In other words, patent profits fall into 3 categories as existing, pseudo-existing and probable. The 2nd category whose cause is available and the obstacle is absent, is remediable like the 1st category, as it can be commonly considered pseudo- existing, whereas the 3rd category is irreparable due to the absence of causes or presence of obstacle.      

Volume 15, Issue 4 (2-2012)
Abstract

Adel Azar*, Rahmatoallah Gholipor**,Saied Mehdi Alavani***, Akbar komijani****, Esfandiar Mohammadi*****. abstract From the End of 1970s Privatization have become a Dominant Goal of General Policies of Governments. Every Country Based on its Special Circumstances Followed Special Model of Privatization. The aim of This Study is to Design the Comprehensive Model for Privatization and Transfer of Governmental Enterprises in Iran with PolicyMaking Approach having Concern to Laws and thair Haierarchy in Country , Proper Strategies of Transfers is Offered. In this Model , Privatization have Settled on Two Bas:1- Financial Goals of Enterprise Include: Productivity , Competition, Profitability and Stock Value. 2- Public Good Goals Include: Employment, Environment of Life, Welfar and Equity. Based on these Goals We offer Ways for Creating Infrastractures of Privatization in Country Such as: Transparency in Transferes, Create Security for Investement, Stablish and Modify the Current Rules, Create Competitive Stock Environment, Resesrch and Development, reinforcemented stock Exchange, Evaluate and Restructure of Enterprises and Stablish Non Governmental Institution for Control of Privatizution Process. After That We Propose Two Magor Strategies for Privatization In Iran: use of Foreign Investment and Issue of Stock In Stock Exchange. The, Proper Requirements have Proposed for Monitoring Privatization Process Such as Government, Parlement, Mass Media and Non Govermmeut Ovganizations. At the end of Modol The Alternative for Reporting of Perfoemance have Presented.
Majid Mohamadi Ziarani, Nasrallah Bani Mostafa Arab, Hassan Jafari,
Volume 15, Issue 12 (2-2016)
Abstract

Engineering components during service are exposed to destructive phenomena such as wear which may lead to their destruction. For their protection and reduction of costs of replacement of these defective components and also increasing productivity, attention is given to welding processes for depositing a wear-resistant layer on the components. In this research, the effect of welding current on last layer weld quality deposited on carbon steel by shielded metal arc welding process using Fe-based hardfacing electrodes is investigated. The chemical composition of the weld deposit layers was studied by quantometery. Optical and scanning electron microscopes, energy dispersive X-ray fluorescence and X-ray diffraction were used for microstructural studies. Microhardness and pin on disk wear tests were also employed for microhardness and wear resistance evaluations. The metallography and X-ray diffraction results show presence of martensite and retained austenite in the microstructure of the last deposited weld layer. The results of chemical analysis and microhardness and wear-resistant tests show that increasing the current increases weld dilution which leads to reduction of alloying elements affecting hardness and wear resistance of the weld deposit and hence these properties decrease slightly. Evaluation of the worn surfaces shows that the wear mechanism on the last deposited layer is of abrasive wear type.

Volume 15, Issue 85 (3-2019)
Abstract

Rice bran is an inexpensive, underutilized major by product of milling, consisting approximately 10% weight of rough rice. Protein concentrates were prepared from defatted rice bran and analyzed for their functional properties. Rice bran proteins were prepared by alkaline extracted. The yield of rice bran proteins Hashemi were 76%. The water solubility of Hashemi was less at pH 6.0 and increased gradually below pH 6.0 and above pH 6.0. Above pH 8.0, the solubility continued to increase but at a slower rate. The pH was found to influence the emulsifying activities and emulsion stabilities of Hashemi. The emulsifying activity of Hashemi significantly increased at pH 8.0. Maximum emulsion activity increased in Hashemi (0.135). As emulsifying stability data showed, maximum emulsion stabilities increased at pH=8, (110.6 min). At pH=10 protein exhibited the best foaming capacity, the foaming stability was not desirable. At pH=8 the most emulsifying activity and the most emulsion stability was observed. The results indicated that RBP isolate of Hashemi can be effectively used for various food formulations like weaning foods, dry mixes, baked foods, whipped toppings, salad dressings etc. due to its high foaming and emulsifying properties. Furthermore, the functionality of RBP was also affected by pH and approaching to alkaline conditions can be improved the various functional properties and extension field of application in food systems.
Nematollah Fouladi, Alireza Mohamadi, Hadi Rezaei,
Volume 16, Issue 8 (10-2016)
Abstract

In this paper, the design algorithm of a second throat exhaust diffuser applicable in altitude tests of large expansion ratio nozzles is presented. In this algorithm, the geometric parameters of the exhaust diffuser are classified into primary and secondary parts. The primary geometric parameters are calculated from normal shock theory incorporating with a correction coefficient. However, the secondary parameters are selected from the previously reported experimental results. Numerical simulation tool is utilized to satisfy the design candidates and to finalize the correction factor. Axis-symmetric compressible Navier–Stokes equations incorporated with two equation Kω-SST turbulence model are solved to extract the supersonic exhaust diffuser flow features. As a first stage of numerical analysis, we use an unsteady pressure-based solver to accelerate the solution procedure. At the second stage, we use steady density-based solver to enhance the accuracy of our solutions. The current numerical method is properly validated by experimental reported results in the literature. Finally, we focused on simulation results of a designed diffuser and described the flow futures at different boundary conditions. The simulation results are confirmed that the designed diffuser is suitable for proposed altitude test.

Volume 16, Issue 88 (6-2019)
Abstract

 In thisresearch, for the first time, the replacement of valerian extract with chemical preservatives in orange
juice has been investigated. Whey Permeate Powder is also used as a source of minerals and vitamins in orange
juice. In this experimental study, an antioxidant effect of valerian extract was determined and its
compounds were determined. Then, the effect of juice extract on three levels of 1.25, 0.63 and 0.13 ml
and 1.5, 1 and 0.5 percent of whey permeate powder on the chemical properties of orange juice during the
storage period in three intervals. The period of 1, 14 and 30 days was studied. The tests performed on
prepared samples including: formalin index, acidity, vitamin C, pH and antioxidant properties, and the
results obtained by Expert design-7 software are analyzed and shown in the diagram. The results indicated that the pH increased at high levels of whey permeate powder and extract during the period of 1, 14 and 30 days. Also, the decreasing in acidity with increasing whey permeate powder percent is probably due to the low acidity of whey permeate powder to the extract and the sample of orange juice's control (is a witness). By adding single levels of whey permeate powder and extract, the vitamin C increased and then decreased with increase of during maintenance. Also, the effect of valerian extract was greater than whey permeate powder in vitamin reduction over a period of time. 

Volume 16, Issue 95 (January 2019)
Abstract

Gums are long chain polysaccharides components with high molecular weight wildly used in the food and many other industries as stabilizer, texture modifier, gelling agent, thickener and emulsifier. The aim of this study was to investigation evaluation of physicochemical and emulsifying properties of protein-free balangu seed (Lallemantia royleana) gum. The results showed, balangu and protein-free balangu were obtained from molecular weight 3120 and 3360 kDa, respectively. Major functional groups were identified from FTIR spectrum of balangu and protein-free balangu, include O-H, C-H, C=O, -COO-, and C-O-C. The results of GC-MS showed that the major monosaccharides specified in Glucose, Galactose, Arabinose, Xylose and Rhamnose. According to the rheological protein-free balangu had the lowest protein content and this led to formation of large oil droplet size and lower emulsion stability. The parameters of Herschel–Bulkley model were showed, the values of coefficients of determinations (R2) were near to 1 and Root Mean Square Error (RMSE) values were lower than 0.4, which indicate the suitability of this model to describe the flow behaviour of samples. Moreover all emulsions represented flow behaviour index values less than 1, which reveals shear thinning behaviour of emulsions, but no significant difference was found between emulsions (p>0.05). On amplitude sweep test, the storage modulus values were greater than loss modulus values in all emulsions, which indicates their elastic behaviour. On frequency sweep test, the storage modulus values were greater than loss modulus values in all emulsions, which confirmed solid like behavior. The indices of power law’s storage modulus balangu and protein-free balangu emulsions had near to zero which reflect high elastic behaviour of emulsion.
 

Volume 17, Issue 6 (12-2017)
Abstract

Various researches have been performed regarding the deterioration and behavior of fabrics made from carbon, glass and aramid in different environmental conditions. Carbon fibers reinforced polymer (FRP) are very corrosion resistant. The CFRP laminates are extremely useful in very corrosive atmospheres, such as marine and aggressive chemical atmospheres. They have been advanced over the years because of their high strength, light weight, long-term durability and high resistance to deterioration. The very thin (0.2 - 0.4 mm) laminates are very easy to apply and can be applied in cross directions without any difficulty. Environmental conditions impact on the bond strength of FRP-to-concrete has sparsely been investigated. The sources of CFRP bond deterioration can originate from alkaline attack and thermal expansion. Alkaline attack occurs at the interface of the concrete and a CFRP laminates with the resulting damage to the matrix of the CFRP laminates. Also, alkali aggregate reaction can lead to the destruction of concrete elements. However, studies in this field are not enough and for externally bonded FRP materials, no such long term test results are available yet. Severe corrosion damage can often be prevented by a correct treatment of the structure against chemical influences or aggressive environmental effects. Methods such as the externally bonded reinforcement (EBR), despite of their advantages, have a problem known as the premature debonding of FRP from concrete substrate. In this method the surface of concrete is sanded and cleaned. After the preparation of the surface, the layer of epoxy is applied uniformly on the surface of concrete. Then, FRP is installed on the surface and saturated with epoxy. In other hand, a new strengthen method is the externally bonded reinforced on grooves (EBROG) method that consists of grooves on the surface of concrete. In this method, grooves with a proper length, width and depth are catted on the concrete surface; then the concrete surface and the grooves are cleaned with an air pressure. Later, grooves are filled with an appropriate epoxy. At the end, FRP sheets are installed with a proper epoxy on the concrete surface. In this paper, the effect of environmental conditions, including three alkaline environments with temperatures of 〖 23〗^° C, 〖40〗^° C and 〖60〗^° C, was investigated on the bond strength of FRP-to-concrete. The specimens were strengthened with two methods: EBR and EBROG. Samples were kept in environmental conditions for 3000 hours. Single-shear tests were conducted to evaluate the bond behavior of FRP-to-concrete. Experimental results showed that the specimens strengthened by the EBROG method - in the alkali environment with different conditions - experienced up to 50 % higher than ultimate bond loads compared with the specimens which were strengthened by the EBR method. In the EBR method, the bond failure mode changed from concrete delamination in laboratory condition to epoxy-concrete interface separation in alkali immersion with different temperatures. On the other hand, in the EBROG method environmental conditions had not effect on the mode of failure and more than 90% of specimens experienced FRP rupture. As a whole, the alkali environment caused a sudden drop in the bond strength of FRP-to-concrete substrate.

Volume 17, Issue 67 (12-2020)
Abstract

The ratio of government apparatus to social institutions has a special place in Mahmoud Dolatabadi’s short stories which has often been overlooked due to being in the shadow of Kalidar. Accordingly, by analyzing the actions and reactions of social groups with the state institution that are the Quasi-nation of the nation, one can define and explain this two-way relationship which takes into account the legitimacy of the power institution from the point of view of society. The results of the receipt and explanation of these works reflect the fact that there is a kind of alienation, rupture, and fission between the institutional power and the community that led to the confrontation between the two institution. On the other hand, the reflection of this confrontation is based on linguistic and literary techniques embodied in fictional masterpieces. From the point of view of ideological function, it means the increasing deepening of the discontinuity. In the final analysis, it focuses on a kind of decriminalization of the dominant political discourse of the Pahlavi era.

Volume 17, Issue 69 (1-2021)
Abstract

The purpose of this study is examining the writing skills in AMZA test in comparison with the two tests of the British National Curriculum Assessment (NCA) and National Curriculum assessment (NAEP) and analyzing the writing skills assessment and providing a model for evaluating writing skill and sub-skills. Comparison of these three tests showed that more sub-skills were considered in NAEP than the other two tests in the UK and Iran. The statistical sample is 270 high school graduates of Tehran. Their Manuscripts were corrected and analyzed based on a researcher-made evaluation table including 6 sub-skills and 17 micro-skills based on highlighting written sub-skills. Findings show that girls' writing skills were better than boys and experimental science graduates were better than the other two field's graduates. The manuscripts of humanities graduates are better in terms of "content". The manuscripts of experimental graduates are better in terms of "coherence" and mathematics graduates in terms of "grammar". The Inaccuracies of "grammar" in the manuscripts of humanities students, and "content" and "form" in mathematical and experimental sciences are also significant. These results show that proper writing training is essential.  Standard assessments should be performed every year at all ages and levels of education. The results should be used to modify and complete the "writing" curriculum.

Volume 17, Issue 101 (july 2020)
Abstract

The beneficial impact of coupling sonication with 400 W and 24 kHz (4, and 8 min) with LDPE antimicrobial nanocomposite packaging containing nano-ZnO (3:100 w/w)  (Pure packaging + US 4, Pure packaging + US 12, Nano packaging + US 4, Nano Packaging + US 12, and Pure packaging (Control)) on inactivation of inoculated saccharomyces cerevisiae (spoilage index) and E.coli (pathogen index) in strawberry juices during  4, 8, 12, 16., and 20 days (4 °C), was evaluated. Ultrasound technology (both 4 and 12 min) significantly (p < 0.05) reduced the population of saccharomyces cerevisiae and E.coli. Also, the D-value of S. cerevisiae was higher than E. coli in strawberry juice indicating its higher resistance to sonication. Application of Nano Packaging + US 12 showed the highest-ranked antimicrobial activity to the other sample and control on the population of the both S. cerevisiae and E. coli inoculated in strawberry juice during 20 days of storage. These achievements paved the way for hurdle technology applications involving combination of antimicrobial packaging containing nano-ZnO with short time sonication in retarding of microbial growth in strawberry juice during cold storage (4 °C).

 
Seyyed Reza Naghibi, Ali Akbar PirMohamadi, ,
Volume 18, Issue 1 (3-2018)
Abstract

This paper considers the issue of precise control of robotic manipulators in the presence of dynamic uncertainties along with hard nonlinear perturbation such as friction using Modified Transpose Effective Jacobian and model based friction compensator. In order to model friction in robot joints, The LuGre friction model has been used and its unknown parameters have been identified by a bio-inspired optimization algorithm called Cuttlefish. By comparing Cuttlefish with other meta-heuristic algorithms such as Glowworm swarm optimization, its superiorities have been proved. After accurate identification of model parameters and determine frictions function, using Modified Transpose Effective Jacobian and model-based friction compensator, a two link planar manipulator has been controlled experimentally. Furthermore in order to compare the controller performance with other methods, the mentioned manipulator has been controlled using computed torque controller and transpose Jacobian besides Adaptive Neural Network Radial Based Function friction compensators. Experimental results offer the Modified Transpose effective Jacobian control method has privileges for better tracking control with more accuracy and better friction compensating as well as better robustness against dynamic uncertainties with lower computational efforts.

Volume 18, Issue 2 (7-2018)
Abstract

Sulfate attack is a series of physico-chemical reactions between hardened cement paste and sulfate ions. Sulfate ion penetration into the cement results in the formation of voluminous and deleterious phases such as gypsum and ettringite which are believed to cause deterioration and expansion of concrete; However, there is no direct relationship between Ettringite or solids formation during the sulfate attack and the amount of expansion. Concrete deterioration due to sulfate attack depends on multiple elements, however, in experimental studies, the implementation of the elements and obtaining the results in a short time are very difficult. Therefore, the significance of theoretical and software modelling along with in experimental studies, reducing the time and cost, increases so much as to achieve reliable results. Thermodynamic simulations, in this research, are employed according to the method of minimizing Gibbs free energy in order to better understand the external sulfate attack and the behaviour of mortar samples made of ordinary Portland cement and blended cements.GEM software helps in studying the microstructure of cement, volume and type of phases formed in sulfate solutions under different conditions. With this software, a virtual laboratory of materials could be created, which simulates natural processes such as hydration, sulfate attack, and factors that affect them with less time and cost. This modeling type could be utilized for cement systems in order to calculate sets of stable phases. A system achieves thermodynamic equilibrium when there is no more spontaneous tendency for change. GEM software which is able to calculate the stable phase as a function of reactants, temperature and pressure is employed. In this software chemical interactions involving solids, solid solutions, metls, gas/fluid mixture, aqueous electrolyte, (non-)electrostatic surface complexation, and ion exchange can be considered simultaneously in the chemical elemental stoichiometry (+ electrical charge) of the system, i.e. without any mass balance constraints for ligands or surface sites. GEMS simulates various mass-transfer processes and reaction paths, such as mixing; But this software cannot replace our knowledge of physical chemistry. Type and volume of phases formed during the sulfate attack and factors affecting that such as cement chemistry, rice husk ash and sulfate solution with different concentrations were studied With the help of this method. Simulation of mortar samples was performed in sodium sulfate with concentrations of 4 and 44 g per liter and 10 and 15 percent rice husk ash substitution. Mortar samples at 20 ° C and water-cement ratio of 0.5 is assumed. Rice husk ash substitution has an effective role in microstructures improvement, reduced impermeability, and volume of forming products. Sodium sulfate is more dangerous and destructive compared to other sulfates like calcium sulfate or potassium sulfate and forms phases with higher volumes. The results clearly indicate that rice husk ash, consumed portlandite completely and produced maximum volume of calcium silicate hydrate(C-S-H) by 15 percent replacement and also there is not a simple relationship between the increase of formed phases by the penetration of sulfate ions and the observed expansion. Generally, the results correspond to the studies and in experimental results which have examined micro structure.

Volume 18, Issue 71 (7-2021)
Abstract

Speech acts are a branch of linguistics studies of pragmatics that identifies writer goals with analysis of text statements. This approach is a suitable way for representation of writer orientation about text statements, explanation people relationships and how ideology works. In this research, speech acts in panegyric poem as the most ideological classic poem, gas classified and analyzed to be revealed how the mechanism of panegyric statements.
According to results, poets have used speech acts for explanation of mamduh governmental and spiritual status as the most important people in poem. They have highlighted the mamduh station and ideological goals by using the explicit action.
Poets have used emotional action to show positive emotions to mamduh and decrease the instance between mamduh and themselves. According to relationship between mamduh and poet, the frequency of motivational action is low and the most its used is about inviting mamduh to happiness or his enemies to obeying him.
Poets have highlighted mamduh by focus on explicit action and use the persuation methods in mamduh description.

Volume 18, Issue 117 (November 2021)
Abstract

Edible films, which in addition to creating beneficial effects by carrying antimicrobial compounds, antioxidants, etc., have biodegradable properties, have attracted the attention of many researchers. In this study, the gum obtained from the inner pod of bean with two concentrations of glycerol (40 and 60%) and three concentration of oregano essential (1, 2 and 3%) oil was used to produce biofilms. After studying the physicochemical and mechanical properties of the resulting films, the best treatment was combined with titanium oxide nanoparticles in two concentrations of 1 and 2% and its antimicrobial properties were also investigated. The results showed that increasing the essential oil raised the film thickness, while high concentrations of essential oil decreased the moisture content of the films. Although the addition of essential oil reduced the solubility of films compared with control sample, but in the treatments with essential oil, increasing the essential oil reduced the solubility of the film. Increasing the concentration of essential oil also increased turbidity and free radical DPPH activity. High concentrations of essential oil decreased the lightness of the films but increased the yellowing and redness compared to the control sample. Due to the interaction of the oil in the essential oil with the gum, the cohesion of the polymer network decreased and consequently, the tensile strength and the elongation factor at the break point decreased. Antimicrobial effect of films with 3% essential oil and 2% titanium oxide had the highest inhibitory area in the disk diffusion test with other samples on Staphylococcus Aureus, Escherichia coli, Salmonella Typhoid, Bacillus Cereus and pseudomonas Aeruginosa significantly (p<0.05)

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