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    Measuring routine childhood vaccination coverage in 204 countries and territories, 1980–2019: a systematic analysis for the Global Burden of Disease Study 2020, Release 1

    , Article The Lancet ; Volume 398, Issue 10299 , 2021 , Pages 503-521 ; 01406736 (ISSN) Galles, N. C ; Liu, P.Y ; Updike, R.L ; Fullman, N ; Nguyen, J ; Rolfe, S ; Sbarra, A.N ; Schipp, M.F ; Marks, A ; Abady, G.G ; Abbas, K.M ; Abbasi, S.W ; Abbastabar, H ; Abd-Allah, F ; Abdoli, A ; Abolhassani, H ; Abosetugn, A.E ; Adabi, M ; Adamu, A.A ; Adetokunboh, O.O ; Adnani, Q.E.S ; Advani, S.M ; Afzal, S ; Aghamir, S.M.K ; Ahinkorah, B.O ; Ahmad, S ; Ahmad, T ; Ahmadi, S ; Ahmed, H ; Ahmed, M.B ; Ahmed Rashid, T ; Ahmed Salih, Y ; Akalu, Y ; Aklilu, A ; Akunna, C.J ; Al Hamad, H ; Alahdab, F ; Albano, L ; Alemayehu, Y ; Alene, K.A ; Al-Eyadhy, A ; Alhassan, R.K ; Ali, L ; Aljunid, S.M ; Almustanyir, S ; Altirkawi, K.A ; Alvis-Guzman, N ; Amu, H ; Andrei, C.L ; Andrei, T ; Ansar, A ; Ansari-Moghaddam, A ; Antonazzo, I.C ; Antony, B ; Arabloo, J ; Arab-Zozani, M ; Artanti, K.D ; Arulappan, J ; Awan, A.T ; Awoke, M.A ; Ayza, M.A ; Azarian, G ; Azzam, A.Y ; B, D.B ; Babar, Z.-U.-D ; Balakrishnan, S ; Banach, M ; Bante, S.A ; Bärnighausen, T.W ; Barqawi, H.J ; Barrow, A ; Bassat, Q ; Bayarmagnai, N ; Bejarano Ramirez, D.F ; Bekuma, T.T ; Belay, H.G ; Belgaumi, U.I ; Bhagavathula, A.S ; Bhandari, D ; Bhardwaj, N ; Bhardwaj, P ; Bhaskar, S ; Bhattacharyya, K ; Bibi, S ; Bijani, A ; Biondi, A ; Boloor, A ; Braithwaite, D ; Buonsenso, D ; Butt, Z.A ; Camargos, P ; Carreras, G ; Carvalho, F ; Castañeda-Orjuela, C.A ; Chakinala, R.C ; Charan, J ; Chatterjee, S ; Chattu, S.K ; Chattu, V.K ; Chowdhury, F.R ; Christopher, D.J ; Chu, D.-T ; Chung, S.-C ; Cortesi, P.A ; Costa, V.M ; Couto, R.A.S ; Dadras, O ; Dagnew, A.B ; Dagnew, B ; Dai, X ; Dandona, L ; Dandona, R ; De Neve, J.-W ; Derbew Molla, M ; Derseh, B.T ; Desai, R ; Desta, A.A ; Dhamnetiya, D ; Dhimal, M.L ; Dhimal, M ; Dianatinasab, M ; Diaz, D ; Djalalinia, S ; Dorostkar, F ; Edem, B ; Edinur, H.A ; Eftekharzadeh, S ; El Sayed, I ; El Sayed Zaki, M ; Elhadi, M ; El-Jaafary, S.I ; Elsharkawy, A ; Enany, S ; Erkhembayar, R ; Esezobor, C.I ; Eskandarieh, S ; Ezeonwumelu, I.J ; Ezzikouri, S ; Fares, J ; Faris, P.S ; Feleke, B.E ; Ferede, T.Y ; Fernandes, E ; Fernandes, J.C ; Ferrara, P ; Filip, I ; Fischer, F ; Francis, M.R ; Fukumoto, T ; Gad, M.M ; Gaidhane, S ; Gallus, S ; Garg, T ; Geberemariyam, B.S ; Gebre, T ; Gebregiorgis, B.G ; Gebremedhin, K.B ; Gebremichael, B ; Gessner, B.D ; Ghadiri, K ; Ghafourifard, M ; Ghashghaee, A ; Gilani, S.A ; Glăvan, I.-R ; Glushkova, E.V ; Golechha, M ; Gonfa, K.B ; Gopalani, S.V ; Goudarzi, H ; Gubari, M.I.M ; Guo, Y ; Gupta, V.B ; Gupta, V.K ; Gutiérrez, R.A ; Haeuser, E ; Halwani, R ; Hamidi, S ; Hanif, A ; Haque, S ; Harapan, H ; Hargono, A ; Hashi, A ; Hassan, S ; Hassanein, M.H ; Hassanipour, S ; Hassankhani, H ; Hay, S.I ; Hayat, K ; Hegazy, M.I ; Heidari, G ; Hezam, K ; Holla, R ; Hoque, M.E ; Hosseini, M ; Hosseinzadeh, M ; Hostiuc, M ; Househ, M ; Hsieh, V.C.-R ; Huang, J ; Humayun, A ; Hussain, R ; Hussein, N.R ; Ibitoye, S.E ; Ilesanmi, O.S ; Ilic, I.M ; Ilic, M.D ; Inamdar, S ; Iqbal, U ; Irham, L.M ; Irvani, S.S.N ; Islam, S.M.S ; Ismail, N.E ; Itumalla, R ; Jha, R.P ; Joukar, F ; Kabir, A ; Kabir, Z ; Kalhor, R ; Kamal, Z ; Kamande, S.M ; Kandel, H ; Karch, A ; Kassahun, G ; Kassebaum, N.J ; Katoto, P.D ; Kelkay, B ; Kengne, A.P ; Khader, Y.S ; Khajuria, H ; Khalil, I.A ; Khan, E.A ; Khan, G ; Khan, J ; Khan, M.A ; Khan, M.A ; Khang, Y.-H ; Khoja, A.T ; Khubchandani, J ; Kim, G.R ; Kim, M.S ; Kim, Y.J ; Kimokoti, R.W ; Kisa, A ; Kisa, S ; Korshunov, V.A ; Kosen, S ; Kuate Defo, B ; Kulkarni, V ; Kumar, A ; Kumar, G.A ; Kumar, N ; Kwarteng, A ; La Vecchia, C ; Lami, F.H ; Landires, I ; Lasrado, S ; Lassi, Z.S ; Lee, H ; Lee, Y.Y ; Levi, M ; Lewycka, S ; Li, S ; Liu, X ; Lobo, S.W ; Lopukhov, P.D ; Lozano, R ; Lutzky Saute, R ; Magdy Abd El Razek, M ; Makki, A ; Malik, A.A ; Mansour-Ghanaei, F ; Mansournia, M.A ; Mantovani, L.G ; Martins-Melo, F.R ; Matthews, P.C ; Medina, J.R.C ; Mendoza, W ; Menezes, R.G ; Mengesha, E.W ; Meretoja, T.J ; Mersha, A.G ; Mesregah, M.K ; Mestrovic, T ; Miazgowski, B ; Milne, G.J ; Mirica, A ; Mirrakhimov, E.M ; Mirzaei, H.R ; Misra, S ; Mithra, P ; Moghadaszadeh, M ; Mohamed, T.A ; Mohammad, K.A ; Mohammad, Y ; Mohammadi, M ; Mohammadian-Hafshejani, A ; Mohammed, A ; Mohammed, S ; Mohapatra, A ; Mokdad, A.H ; Molokhia, M ; Monasta, L ; Moni, M.A ; Montasir, A.A ; Moore, C.E ; Moradi, G ; Moradzadeh, R ; Moraga, P ; Mueller, U.O ; Munro, S.B ; Naghavi, M ; Naimzada, M.D ; Naveed, M ; Nayak, B.P ; Negoi, I ; Neupane Kandel, S ; Nguyen, T.H ; Nikbakhsh, R ; Ningrum, D.N.A ; Nixon, M.R ; Nnaji, C.A ; Noubiap, J.J ; Nuñez-Samudio, V ; Nwatah, V.E ; Oancea, B ; Ochir, C ; Ogbo, F.A ; Olagunju, A.T ; Olakunde, B.O ; Onwujekwe, O.E ; Otstavnov, N ; Otstavnov, S.S ; Owolabi, M.O ; Padubidri, J.R ; Pakshir, K ; Park, E.-C ; Pashazadeh Kan, F ; Pathak, M ; Paudel, R ; Pawar, S ; Pereira, J ; Peres, M.F.P ; Perianayagam, A ; Pinheiro, M ; Pirestani, M ; Podder, V ; Polibin, R.V ; Pollok, R.C.G ; Postma, M.J ; Pottoo, F.H ; Rabiee, M ; Rabiee, N ; Radfar, A ; Rafiei, A ; Rahimi-Movaghar, V ; Rahman, M ; Rahmani, A.M ; Rahmawaty, S ; Rajesh, A ; Ramshaw, R.E ; Ranasinghe, P ; Rao, C.R ; Rao, S.J ; Rathi, P ; Rawaf, D.L ; Rawaf, S ; Renzaho, A.M.N ; Rezaei, N ; Rezai, M.S ; Rios-Blancas, M ; Rogowski, E.L.B ; Ronfani, L ; Rwegerera, G.M ; Saad, A.M ; Sabour, S ; Saddik, B ; Saeb, M.R ; Saeed, U ; Sahebkar, A ; Sahraian, M.A ; Salam, N ; Salimzadeh, H ; Samaei, M ; Samy, A.M ; Sanabria, J ; Sanmarchi, F ; Santric-Milicevic, M.M ; Sartorius, B ; Sarveazad, A ; Sathian, B ; Sawhney, M ; Saxena, D ; Saxena, S ; Seidu, A.-A ; Seylani, A ; Shaikh, M.A ; Shamsizadeh, M ; Shetty, P.H ; Shigematsu, M ; Shin, J.I ; Sharif University of Technology
    Elsevier B.V  2021
    Abstract
    Background: Measuring routine childhood vaccination is crucial to inform global vaccine policies and programme implementation, and to track progress towards targets set by the Global Vaccine Action Plan (GVAP) and Immunization Agenda 2030. Robust estimates of routine vaccine coverage are needed to identify past successes and persistent vulnerabilities. Drawing from the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2020, Release 1, we did a systematic analysis of global, regional, and national vaccine coverage trends using a statistical framework, by vaccine and over time. Methods: For this analysis we collated 55 326 country-specific, cohort-specific, year-specific,... 

    Modeling and evaluation of service composition in commercial multiclouds using timed colored petri nets

    , Article IEEE Transactions on Systems, Man, and Cybernetics: Systems ; 2017 ; 21682216 (ISSN) Entezari Maleki, R ; Etesami, S. E ; Ghorbani, N ; Akhavan Niaki, A ; Sousa, L ; Movaghar, A ; Sharif University of Technology
    Abstract
    The increasing demand for Web services encourages commercial cloud service providers to publish their own services with various functional and nonfunctional capabilities in different cloud platforms. The aggregation of atomic services from multiple service repositories is the main idea of the service composition concept in multiclouds. The cloud Web service composition is a suitable way for satisfying users' complex requests by integrating services from different clouds in order to create a new value-added composite service. The time required to serve a composite service by a multicloud environment is an important parameter, which depends on different factors, ranging from the service... 

    Modeling and evaluation of service composition in commercial multiclouds using timed colored petri nets

    , Article IEEE Transactions on Systems, Man, and Cybernetics: Systems ; Volume 50, Issue 3 , 2020 , Pages 947-961 Entezari Maleki, R ; Etesami, S. E ; Ghorbani, N ; Akhavan Niaki, A ; Sousa, L ; Movaghar, A ; Sharif University of Technology
    Institute of Electrical and Electronics Engineers Inc  2020
    Abstract
    The increasing demand for Web services encourages commercial cloud service providers to publish their own services with various functional and nonfunctional capabilities in different cloud platforms. The aggregation of atomic services from multiple service repositories is the main idea of the service composition concept in multiclouds. The cloud Web service composition is a suitable way for satisfying users' complex requests by integrating services from different clouds in order to create a new value-added composite service. The time required to serve a composite service by a multicloud environment is an important parameter, which depends on different factors, ranging from the service... 

    Intralesional immunotherapy compared to cryotherapy in the treatment of warts

    , Article International Journal of Dermatology ; Volume 56, Issue 4 , 2017 , Pages 474-478 ; 00119059 (ISSN) Khozeimeh, F ; Jabbari Azad, F ; Mahboubi Oskouei, Y ; Jafari, M ; Tehranian, S ; Alizadehsani, R ; Layegh, P ; Sharif University of Technology
    Blackwell Publishing Ltd  2017
    Abstract
    Background: Warts are the most common clinical manifestation of the human papilloma-virus infection in the skin and mucous membranes. In spite of the various therapeutic modalities for nongenital skin warts, there is still no single method to be used as an approved treatment. In this study, we compared the efficacy of immunotherapy and cryotherapy on wart lesions. Methods: Sixty patients with verruca vulgaris and plantar warts were randomly divided into two groups. One group received intralesional injection of candida antigen repeated every 3 weeks until complete improvement of all warts or for a maximum of three sessions. The second group was treated by cryotherapy with liquid nitrogen for... 

    A novel nonlinear function evaluation approach for efficient fpga mapping of neuron and synaptic plasticity models

    , Article IEEE Transactions on Biomedical Circuits and Systems ; Volume 13, Issue 2 , 2019 , Pages 454-469 ; 19324545 (ISSN) Jokar, E ; Abolfathi, H ; Ahmadi, A ; Sharif University of Technology
    Institute of Electrical and Electronics Engineers Inc  2019
    Abstract
    Efficient hardware realization of spiking neural networks is of great significance in a wide variety of applications, such as high-speed modeling and simulation of large-scale neural systems. Exploiting the key features of FPGAS, this paper presents a novel nonlinear function evaluation approach, based on an effective uniform piecewise linear segmentation method, to efficiently approximate the nonlinear terms of neuron and synaptic plasticity models targeting low-cost digital implementation. The proposed approach takes advantage of a high-speed and extremely simple segment address encoder unit regardless of the number of segments, and therefore is capable of accurately approximating a given... 

    Useful multivariate kinetic analysis: Size determination based on cystein-induced aggregation of gold nanoparticles

    , Article Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy ; Volume 115 , 2013 , Pages 588-594 ; 13861425 (ISSN) Rabbani, F ; Nezhad, M. R. H ; Abdollahi, H ; Sharif University of Technology
    2013
    Abstract
    This study describes spectrometric monitored kinetic processes to determine the size of citrate-capped Au nanoparticles (Au NPs) based on aggregation induced by L-cysteine (L-Cys) as a molecular linker. The Au NPs association process is thoroughly dependent on pH, concentration and size of nanoparticles. Size dependency of aggregation inspirits to determine the average diameters of Au NPs. For this aim the procedure is achieved in aqueous medium at pH 7 (phosphate buffer), and multivariate data including kinetic spectra of Au NPs are collected during aggregation process. Subsequently partial least squares (PLS) modeling is carried out analyzing the obtained data. The model is built on the... 

    Spike phase synchronization in delayed-coupled neural networks: Uniform vs. non-uniform transmission delay

    , Article Chaos ; Volume 23, Issue 1 , 2013 ; 10541500 (ISSN) Jalili, M ; Sharif University of Technology
    2013
    Abstract
    In this paper, we investigated phase synchronization in delayed dynamical networks. Non-identical spiking Hindmarsh-Rose neurons were considered as individual dynamical systems and coupled through a number of network structures such as scale-free, Erdos-Rényi, and modular. The individual neurons were coupled through excitatory chemical synapses with uniform or distributed time delays. The profile of spike phase synchrony was different when the delay was uniform across the edges as compared to the case when it was distributed, i.e., different delays for the edges. When an identical transmission delay was considered, a quasi-periodic pattern was observed in the spike phase synchrony. There... 

    Coarsening dynamics of nanodroplets on topographically structured substrates

    , Article Journal of Physics Condensed Matter ; Volume 25, Issue 4 , 2013 ; 09538984 (ISSN) Asgari, M ; Moosavi, A ; Sharif University of Technology
    2013
    Abstract
    Employing a biharmonic boundary integral method with linear elements, coarsening dynamics of nanodroplets on topographical step heterogeneity is investigated. It is shown that the step height and droplet configuration have an influential effect on the dynamics. Increasing the step height slows down the process while locating the droplets close to the step boosts the coarsening rate. Considering a slip boundary condition enhances the dynamics and reveals a transition in the droplet migration direction. Our results reveal that increasing the surface wettability weakens the dynamics. Various types of the disjoining pressure over the step are also considered and their effects on the coarsening... 

    UV-prepared salep-based nanoporous hydrogel for controlled release of tetracycline hydrochloride in colon

    , Article Journal of Photochemistry and Photobiology B: Biology ; Volume 102, Issue 3 , March , 2011 , Pages 232-240 ; 10111344 (ISSN) Bardajee, G. R ; Pourjavadi, A ; Ghavami, S ; Soleyman, R ; Jafarpour, F ; Sharif University of Technology
    2011
    Abstract
    A highly swelling nanoporous hydrogel (NPH) was synthesized via UV-irradiation graft copolymerization of acrylic acid (AA) onto salep backbone and its application as a carrier matrix for colonic delivery of tetracycline hydrochloride (TH) was investigated. Optimized synthesis of the hydrogel was performed by the classic method. The swelling behavior of optimum hydrogel was measured in different media. The hydrogel formation was confirmed by Fourier transform infrared spectroscopy (FTIR) and thermo-gravimetric analysis (TGA/DTG/DTA). The study of the surface morphology of hydrogels using SEM showed a nanoporous (average pore size: about 350 nm) structure for the sample obtained under... 

    Coordinated DVFS and Precision Control for Deep Neural Networks

    , Article IEEE Computer Architecture Letters ; Volume 18, Issue 2 , 2019 , Pages 136-140 ; 15566056 (ISSN) Nabavinejad, S. M ; Hafez Kolahi, H ; Reda, S ; Sharif University of Technology
    Institute of Electrical and Electronics Engineers Inc  2019
    Abstract
    Traditionally, DVFS has been the main mechanism to trade-off performance and power. We observe that Deep Neural Network (DNN) applications offer the possibility to trade-off performance, power, and accuracy using both DVFS and numerical precision levels. Our proposed approach, Power-Inference accuracy Trading (PIT), monitors the server's load, and accordingly adjusts the precision of the DNN model and the DVFS setting of GPU to trade-off the accuracy and power consumption with response time. At high loads and tight request arrivals, PIT leverages INT8-precision instructions of GPU to dynamically change the precision of deployed DNN models and boosts GPU frequency to execute the requests... 

    Analytical and numerical studies of sequence dependence of passage times for translocation of heterobiopolymers through nanopores

    , Article Journal of Chemical Physics ; Volume 129, Issue 23 , 2008 ; 00219606 (ISSN) Haji Abdolvahab, R ; Roshani, F ; Nourmohammad, A ; Sahimi, M ; Rahimi Tabar, M. R ; Sharif University of Technology
    2008
    Abstract
    We consider chaperone-assisted translocation of biopolymers with two distinct monomers or bases A and B, with the size of the chaperones being λα, where α is a monomer's size. The probability that A and B are neighbors in the biopolymer is PAB. A master equation is used, together with the detailed-balanced condition, in order to derive analytical results for the statistics of the first-passage times of the biopolymer as a function of PAB, λ, and the biopolymer's configuration. Monte Carlo simulations have also been carried out in order to compute the same quantities for biopolymers with 100-900 monomers and several λ. The results indicate nontrivial dependence of the variance of the... 

    Quick generation of SSD performance models using machine learning

    , Article IEEE Transactions on Emerging Topics in Computing ; Volume 10, Issue 4 , 2022 , Pages 1821-1836 ; 21686750 (ISSN) Tarihi, M ; Azadvar, S ; Tavakkol, A ; Asadi, H ; Sarbazi Azad, H ; Sharif University of Technology
    IEEE Computer Society  2022
    Abstract
    Increasing usage of Solid-State Drives (SSDs) has greatly boosted the performance of storage backends. SSDs perform many internal processes such as out-of-place writes, wear-leveling, and garbage collection. These operations are complex and not well documented which make it difficult to create accurate SSD simulators. Our survey indicates that aside from complex configuration, available SSD simulators do not support both sync and discard requests. Past performance models also ignore the long term effect of I/O requests on SSD performance, which has been demonstrated to be significant. In this article, we utilize a methodology based on machine learning that extracts history-aware features at... 

    Biosynthesis of copper oxide nanoparticles with potential biomedical applications

    , Article International Journal of Nanomedicine ; Volume 15 , 2020 , Pages 3983-3999 Rabiee, N ; Bagherzadeh, M ; Kiani, M ; Ghadiri, A. M ; Etessamifar, F ; Jaberizadeh, A. H ; Shakeri, A ; Sharif University of Technology
    Dove Medical Press Ltd  2020
    Abstract
    Introduction: In recent years, the use of cost-effective, multifunctional, environmentally friendly and simple prepared nanomaterials/nanoparticles have been emerged considerably. In this manner, different synthesizing methods were reported and optimized, but there is still lack of a comprehensive method with multifunctional properties. Materials and Methods: In this study, we aim to synthesis the copper oxide nanoparticles using Achillea millefolium leaf extracts for the first time. Catalytic activity was investigated by in situ azide alkyne cycloaddition click and also A3 coupling reaction, and optimized in terms of temperature, solvent, and time of the reaction. Furthermore, the... 

    A high-throughput approach for the determination of pesticide residues in cucumber samples using solid-phase microextraction on 96-well plate

    , Article Analytica Chimica Acta ; Volume 740 , 2012 , Pages 36-42 ; 00032670 (ISSN) Bagheri, H ; Es'haghi, A ; Eshaghi, A ; Mesbahi, N ; Sharif University of Technology
    Abstract
    A high-throughput solid-phase microextraction (SPME) on 96-well plate together with gas chromatography-mass spectrometry (GC-MS) was developed for the determination of some selected pesticides in cucumber samples. Pieces with the length of 1.0cm of silicon tubing were precisely prepared and then coated on the end part of stainless steel wires. The prepared fibers were positioned in a home-made polytetrafluoroethylene (PTFE)-based constructed ninety-six holes block to have the possibility of simultaneous immersion of the SPME fibers into the center of individual wells. Pesticides such as diazinon, penconazol, tebuconazol, bitertanol, malathion, phosalone and chlorpyrifos-methyl were selected... 

    Topological pattern selection in recurrent networks

    , Article Neural Networks ; Volume 31 , 2012 , Pages 22-32 ; 08936080 (ISSN) Bahraini, A ; Abbassian, A ; Sharif University of Technology
    2012
    Abstract
    The impact of adding correlation to a population of neurons on the information and the activity of the population is one of the fundamental questions in recent system neuroscience. In this paper, we would like to introduce topology-based correlation at the level of storing patterns in a recurrent network. We then study the effects of topological patterns on the activity and memory capacity of the network. The general aim of the present work is to show how the repertoire of possible stored patterns is determined by the underlying network topology.Two topological probability rules for pattern selection in recurrent network are introduced. The first one selects patterns according to a... 

    The use of a cis-dioxomolybdenum(VI) dinuclear complex with quadradentate 1,4-benzenediylbis(benzyldithiocarbamate)(2-) as model compound for the active site of oxo transfer molybdoenzymes: Reactivity, kinetics, and catalysis

    , Article Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy ; Volume 88 , 2012 , Pages 210-215 ; 13861425 (ISSN) Moradi Shoeili, Z ; Boghaei, D. M ; Sharif University of Technology
    2012
    Abstract
    Dinuclear cis-dioxomolybdenum(VI) complex [{MoO 2(Bz 2Benzenediyldtc)} 2] coordinated by a quadradentate dithiocarbamate (Bz 2Benzenediyldtc 2- = 1,4-benzenediylbis(benzyldithiocarbamate)(2-)) has been prepared and characterized by elemental analysis, 13C NMR, IR and UV-vis spectroscopy. The kinetics of the oxygen atom transfer between [{MoO 2(Bz 2Benzenediyldtc)} 2] and PPh 3 was studied spectrophotometrically in CH 2Cl 2 medium at 520 nm and four different temperatures, 288, 293, 298 and 303 K, respectively. The reaction follows second order kinetics with the rate constant k = 0.163(2) M -1 S -1 and its increasingly strong absorption at 520 nm clearly indicate the formation of a μ-oxo... 

    Early detection of immunization: A study based on an animal model using 1H nuclear magnetic resonance spectroscopy

    , Article Pakistan Journal of Biological Sciences ; Volume 14, Issue 3 , 2011 , Pages 195-203 ; 10288880 (ISSN) Zamani, Z ; Arjmand, M ; Tafazzoli, M ; Ghohzadeh, A ; Pourfallah, F ; Sadeghi, S ; Mirzazadeh, R ; Mirkham, F ; Tahen, S ; Iravam, A ; Bayat, P ; Vahabi, F ; Sharif University of Technology
    2011
    Abstract
    Vaccines require a period of at least three months for clinical trials, hence a method that can identify elicitation of immune response a few days after the first dose is a necessity. Evolutionary variable selections are modeling approaches for proper manipulation of available data which were used to set up an animal model for classification of time dependent 'HNMR metabolomic profiles and pattern recognition of fluctuations of metabolites in two groups of male rabbits. One group of rabbits was immunized with human red blood cells and the other used as control. Blood was obtained every 48 h from each rabbit for a period of six weeks and the serum monitored for antibodies and metabolites by... 

    Extraction of fluoxetine from aquatic and urine samples using sodium dodecyl sulfate-coated iron oxide magnetic nanoparticles followed by spectrofluorimetric determination

    , Article Analytica Chimica Acta ; Volume 692, Issue 1-2 , 2011 , Pages 80-84 ; 00032670 (ISSN) Bagheri, H ; Zandi, O ; Aghakhani, A ; Sharif University of Technology
    Abstract
    A new method based on the combination of magnetic solid phase extraction (MSPE) and spectrofluorimetric determination was developed for isolation and preconcentration of fluoxetine form aquatic and biological samples using sodium dodecyl sulfate (SDS) coated Fe3O4 nanoparticles (NPs) as a sorbent. The unique properties of Fe3O4 NPs including high surface area and strong magnetism were utilized effectively in the MSPE process. Effect of different parameters influencing the extraction efficiency of fluoxetine including the amount of Fe3O4 and SDS, pH value, sample volume, extraction time, desorption solvent and time were optimized. Under optimized condition, the method was successfully applied... 

    TiO2 nanofibre assisted photocatalytic degradation of reactive blue 19 dye from aqueous solution

    , Article Environmental Technology ; Volume 30, Issue 3 , 2009 , Pages 233-239 ; 09593330 (ISSN) Rezaee, A ; Ghaneian, M. T ; Taghavinia, N ; Khajeh Aminian, M ; Hashemian, S. J ; Sharif University of Technology
    2009
    Abstract
    The photocatalytic degradation of Reactive Blue 19 (RB19) dye has been studied using TiO2 nanofibre as the photocatalyst in aqueous solution under UV irradiation. Titanium dioxide nanofibre was prepared using a templating method with tetraisopropylorthotitanate as a precursor. The experiments were carried out in the presence of the TiO2 nanofibre, and the effects of pH and electron acceptors on the degradation process were investigated. In order to observe the quality of the aqueous solution, chemical oxygen demand (COD) measurements were also carried out before and after the treatments. The photocatalytic decomposition of RB19 was most efficient in acidic solution. With the addition of... 

    Determination of essential oil components of artemisia haussknechtii boiss. using simultaneous hydrodistillation-static headspace liquid phase microextraction-gas chromatography mass spectrometry

    , Article Journal of Chromatography A ; Volume 1160, Issue 1-2 , 2007 , Pages 81-89 ; 00219673 (ISSN) Jalali Heravi, M ; Sereshti, H ; Sharif University of Technology
    2007
    Abstract
    A novel method for extraction and analysis of volatile compounds of Artemisia haussknechtii Boiss., using simultaneous hydro-distillation and static headspace liquid microextraction followed by gas chromatography-mass spectrometry (SHD-SHLPME-GCMS) is developed. SHLPME parameters including nature of extracting solvent, headspace volume and design, extraction time, sample weight and microdrop volume were optimized. Comparison of hydro-distillation gas chromatography-mass spectrometry and HD-SHLPME-GCMS showed that the latter method is fast, simple, inexpensive and effective for the analysis of volatile compounds of aromatic plants. By using this method, 56 compounds were extracted and...