Ferdowsi University of Mashhad

Mashhad, Iran

Ferdowsi University of Mashhad is the largest research university in Northeastern Iran named after the great epic poet and historian of Iranian national history Ferdowsi, whose Shahnameh is a chef-d'oeuvre in Persian literature. The FUM campus is in Mashhad, the capital city of the Razavi Khorasan province. The university was established in 1949, making it the third oldest major university in Iran. It is among the five top universities in the country according to statistics published by the Ministry of science, Research and Technology. FUM offers 180 bachelors, masters, and Ph.D. programs to 26,000 international and local, male and female students studying under about 900 faculty members with the aid of 2500 staff employees. The university is regarded as a prominent institution in attracting international students from Central Asian republics, Afghanistan, Turkey, Lebanon, Syria, Pakistan, Thailand, India, China, Yaman, Bahrain, Africa and many other localities of Asia. The university is ranked third in Iran amongst other universities in recruiting foreign students.Before the Islamic Revolution of Iran in 1979, Ferdowsi University had taken for its ally Georgetown University of Washington, D.C., USA. Wikipedia.

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Sadeghian H.,Mashhad University of Medical Sciences | Jabbari A.,Ferdowsi University of Mashhad
Expert Opinion on Therapeutic Patents | Year: 2016

Introduction: 15-Lipoxygenases (15-LOXes) are a family of iron-containing proteins that have the capability for unsaturated fatty acid peroxidation in animals and plants. Two types of the enzyme, 15-LOX-1 and 15-LOX-2, have been recognized in mammals to have different abilities in the peroxidation of arachidonic acid and linoleic acid. In mammalians, the critical role of the mentioned enzymes and their metabolites, hydroxyoctadecadienoic acid (HODE), lipoxins and eoxins, in the formation of inflammation, sensitivities, atherosclerosis and some cancers has been demonstrated.Areas covered: This article reviews relevant publications and patents on 15-LOX inhibitors from the points of view of synthesis and biological activities. Herein, based on the chemical structure and pharmacophore moiety, 15-LOX inhibitors are categorized into heterocyclic, phenolic, allyl and allyloxy derivatives.Expert opinion: It is noteworthy that to date no pharmaceutical product from 15-LOX inhibitors has been approved for therapeutic usage. Recently, the role of 15-LOX-1 in obesity, by directly relating 15-LOX-1 expression with the proliferation and hypertrophy of adipose cells, has been reported. Based on the role 15-LOX plays in promoting cancer by amplifying PPARγ transcription activity, however, it can be claimed that 15-LOX inhibitors will be deemed suitable as chemotherapy agents in the near future. © 2015 Taylor & Francis.

Garousi M.R.,Ferdowsi University of Mashhad
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics | Year: 2015

We use compatibility of O-plane action with nonlinear T-duality as a guiding principle to find all NS-NS couplings in the O-plane action at order α'2. We find that the dilaton couplings appear in the string frame only via the transformation Rμν→Rμν+∇μ∇νϕ. © 2015 The Author.

Garousi M.R.,Ferdowsi University of Mashhad
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics | Year: 2011

Using the compatibility of the DBI and the Chern-Simons actions with the T-duality transformations, the curvature corrections to these actions have been recently extended to include the quadratic B-field couplings at order O(α '2). In this paper, we use the compatibility of the couplings on D 3-brane with the S-duality to find the nonlinear RR couplings at order O(α '2). We confirm the quadratic RR couplings in the DBI part with the disk-level scattering amplitude. Using the modular functions that appear in the curvature corrections, we then write the results in SL(2,Z) invariant form. © 2011 Elsevier B.V.

Garousi M.R.,Ferdowsi University of Mashhad
Nuclear Physics B | Year: 2011

It is known that the anomalous Dp-brane Chern-Simons couplings are not consistent with the standard rules of T-duality. Using compatibility of these couplings with the linear T-duality transformations, the B-field gauge transformations and the general coordinate transformations as guiding principles we find new couplings at order O(α'2) for C(p-3), C(p-1), C(p+1) and C(p+3). © 2011 Elsevier B.V.

Garousi M.R.,Ferdowsi University of Mashhad
Physical Review D - Particles, Fields, Gravitation and Cosmology | Year: 2013

We examine the Neveu Shwarz-Neveu Shwarz corrections to the type II supergravity given by Gross and Sloan, under the linear T-duality transformations. We show that the gravity and the B-field couplings are invariant under off-shell T-duality, whereas the dilaton couplings are invariant under on-shell T-duality. Requiring the compatibility of the dilaton couplings with off-shell T-duality as a guiding principle, we extend them to include the appropriate Ricci curvature and the divergence of the B-field strength. © 2013 American Physical Society.

Yazdi A.S.,Ferdowsi University of Mashhad
TrAC - Trends in Analytical Chemistry | Year: 2011

This review covers recent developments in surfactant-based extraction methods, with the aim of highlighting some of the most important aspects of micellar systems together with their applications in analysis. It also compares the phase-transfer methodology of different surfactant-based extraction methods (e.g., cloud-point extraction) with coacervative extraction methods using different kinds of surfactant. It includes factors affecting the extraction efficiency of the methods in some recent applications. © 2011 Elsevier Ltd.

Zeinali Heris S.,Ferdowsi University of Mashhad
International Communications in Heat and Mass Transfer | Year: 2011

Boiling heat transfer performance of nanofluid has been studied during the past few years. Some controversial results are reported in literature about the potential impact of nanofluids on heat transfer intensification. Whereas the mixtures of ethylene glycol and water are considered the most common water-based antifreeze solutions used in automotive cooling systems, the present study is an experimental investigation of boiling heat transfer of CuO/ethylene glycol-water (60/40) nanofluids. The results indicate that a considerable boiling heat transfer enhancement has been achieved by nanofluid and the enhancement increases with nanoparticles concentration and reaches 55% at a nanoparticles loading of 0.5%. © 2011 Elsevier Ltd.

Garousi M.R.,Ferdowsi University of Mashhad
Physical Review D - Particles, Fields, Gravitation and Cosmology | Year: 2011

There is a conjecture in the literature that indicates the tree-level S-matrix elements of graviton become symmetric under the SL(2,Z) transformation after including the loops and the nonperturbative effects. Using the Ward identity corresponding to the global S-duality transformations, this conjecture can be extended to other S-matrix elements as well. While the SL(2,Z) transformation on the background dilaton is nonlinear, the Ward identity dictates the S-duality transformations on external states should be the linearized SL(2,R) transformations. We examine in detail various S-matrix elements involving massless closed string and/or open string vertex operators on the world volume of the D 3-brane in favor of this conjecture. © 2011 American Physical Society.

Garousi M.R.,Ferdowsi University of Mashhad
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics | Year: 2013

We examine the sigma model Riemann curvature corrections to the supergravity action under T-duality transformations. Using the compatibility of the effective action with on-shell linear T-duality and with the S-matrix calculations as guiding principles, we have incorporated in this action the couplings of four B-field strengths and the couplings of two Riemann curvatures and two B-field strengths at order α'3. Using the S-matrix calculations we have also found new dilaton couplings in the string frame at this order. © 2012 Elsevier B.V.

Ferdowsi University of Mashhad | Date: 2014-09-08

A method for alignment of high aspect ratio materials (HARMs) within a liquid matrix by means of magnetic particles. The application of an external magnetic field creates a forced motion of the magnetic particles. This in turn leads to a laminar flow within the matrix which imposes a drag force on the HARMs, aligning the HARMs across the matrix. The used magnetic particles eventually accumulate at one end side of the matrix container and can be removed either by an incision or an extraction process. Unlike the previously proposed methods, there is no need for the magnetic particles to be attached either physically or chemically to the HARMs. Thus, the ultimate aligned HARMs are mostly pure and free of any magnetic particles. Once the matrix is a polymeric solution, the mentioned method is capable of synthesis of aligned HARMs-polymer composites, which exhibit improved mechanical and electrical properties.

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