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Search Results: 1 - 10 of 18496 matches for " Badali Ali "
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Strong convergence theorem for amenable semigroups of nonexpansive mappings and variational inequalities
Piri Hossein,Badali Ali
Fixed Point Theory and Applications , 2011,
Abstract: In this paper, using strongly monotone and lipschitzian operator, we introduce a general iterative process for finding a common fixed point of a semigroup of nonexpansive mappings, with respect to strongly left regular sequence of means defined on an appropriate space of bounded real-valued functions of the semigroups and the set of solutions of variational inequality for β-inverse strongly monotone mapping in a real Hilbert space. Under suitable conditions, we prove the strong convergence theorem for approximating a common element of the above two sets. Mathematics Subject Classification 2000: 47H09, 47H10, 43A07, 47J25
Molecular Tools in Medical Mycology; Where We Are!
Hamid Badali,Mojtaba Nabili
Jundishapur Journal of Microbiology , 2013,
Abstract: No Abstract
A Stable Distributed Clustering Algorithm For Mobile Adhoc Networks
Fereydoun Ramezani Zangi,Sajjad Mavizy,Javad Badali
International Journal of Computer Science Issues , 2012,
Abstract: Mobile Ad hoc Networks (MANET) are distributed systems which consist of several mobile nodes; they do not include predetermined topology and have no concentrated control. The nodes connect wirelessly by the approach in which they decide themselves. To access the development in the MANET, an approach should be found such that less control messages are distributed in the MANET, and movement of the network nodes is concealed from other network nodes. One method of access the above purposes is the clustering of MANET. In this paper, a distributed weight based clustering algorithm has been proposed for the MANET. Also in the proposed method, it has been attempted that stability of the cluster is increased through solving the problem of node density in a cluster. The proposed algorithm has been compared with the WCA in terms of number of reaffiliations, number of dominant set updates, number of clusters and load balancing. The results of simulation indicate that the proposed algorithm has a better performance.
An algorithm for autonomously plotting solution sets in the presence of turning points
Steven Pollack,Daniel Badali,Jonathan Pollack
Mathematics , 2011,
Abstract: Plotting solution sets for particular equations may be complicated by the existence of turning points. Here we describe an algorithm which not only overcomes such problematic points, but does so in the most general of settings. Applications of the algorithm are highlighted through two examples: the first provides verification, while the second demonstrates a non-trivial application. The latter is followed by a thorough run-time analysis. While both examples deal with bivariate equations, it is discussed how the algorithm may be generalized for space curves in $\R^{3}$.
Fungal Contamination in Indoor Swimming Pools in Zanjan-Iran 2005
A.A. Nourian,H. Badali,H. Hamzehei
Pakistan Journal of Biological Sciences , 2006,
Abstract: In this study fungal contamination of five indoor public swimming pools in Zanjan was investigated using membrane filtration and sterile carpet sampling methods. Nine samples from water and related areas of each swimming pool were tested for the presence of the fungi and final diagnosis was done by slide culture technique to determine the species. The most common fungi isolated from swimming pools included Dermatophyte (Trichophyton mentagrophytes and Epidermophyton floccosum) 0.4%, Yeasts 21.8% and filamentous fungi 77.7%. Out of saprophyte fungi 24.8% were separated from pools margin, 22.6% from dressing rooms, 16.8% from pools water and 11.4% from shower- bath. Also yeasts fungi were separated from pools water 7.3% and from shower-bath 3.1% and Dermatophytes were separated from dressing room 0.2%. The fungal contamination of these swimming pools under specific condition could be an alarm for induction of infections and allergy in immunocompromised hosts.
Biodiversity of the genus Cladophialophora
H. Badali,C. Gueidan,M.J. Najafzadeh,A. Bonifaz
Studies in Mycology , 2008,
Abstract: Cladophialophora is a genus of black yeast-like fungi comprising a number of clinically highly significant species in addition to environmental taxa. The genus has previously been characterized by branched chains of ellipsoidal to fusiform conidia. However, this character was shown to have evolved several times independently in the order Chaetothyriales. On the basis of a multigene phylogeny (nucLSU, nucSSU, RPB1), most of the species of Cladophialophora (including its generic type C. carrionii) belong to a monophyletic group comprising two main clades (carrionii- and bantiana-clades). The genus includes species causing chromoblastomycosis and other skin infections, as well as disseminated and cerebral infections, often in immunocompetent individuals. In the present study, multilocus phylogenetic analyses were combined to a morphological study to characterize phenetically similar Cladophialophora strains. Sequences of the ITS region, partial Translation Elongation Factor 1- and β-Tubulin genes were analysed for a set of 48 strains. Four novel species were discovered, originating from soft drinks, alkylbenzene-polluted soil, and infected patients. Membership of the both carrionii and bantiana clades might be indicative of potential virulence to humans. Taxonomic novelties: Cladophialophora samo nsis Badali, de Hoog & Padhye, sp. nov., Cladophialophora subtilis Badali & de Hoog, sp. nov., Cladophialophora mycetomatis Badali, de Hoog & Bonifaz, sp. nov., Cladophialophora immunda Badali, Satow, Prenafeta-Boldú, Padhye & de Hoog, sp. nov.
Development of STAT3 as an accessible target for fluorescence-based inhibition assays
Daniel Salvatore Badali,Baoxu Liu,Amir Mazouchi,Miriam Avadisian
University of Toronto Journal of Undergraduate Life Sciences , 2010,
Abstract: Signal-Transducer-and-Activator-of-Transcription 3 (STAT3) is a protein which plays an important role in relay of cytokine signaling pathways. However, hyperactive STAT3 also contributes significantly to human cancers, such as leukemia and lymphoma. We are currently developing a novel therapeutic modality that inhibits STAT3 protein mobility within the cell based on protein anchorage. In order to assess STAT3’s localization within the cell we have developed a STAT3 labelling protocol with a tetramethylrhodamine (TMR) fluorescent label. The majority of STAT3 inhibitors target the SH2 domain binding module. Thus, we selected a known peptidic STAT3 SH2 domain binder with a dissociation constant in the range of 100 nM (as estimated via two independent fluorescent techniques, Fluorescence Correlation Spectroscopy (FCS) and Fluorescence Anisotropy (FA)) to determine whether the SH2 domain is structurally compromised by TMR labelling. We herein report successful TMR labelling of STAT3 protein (~2-3 molecules of dyes per protein molecule). Most encouragingly, TMR labelling was shown to confer negligible loss of STAT3 functional activity, as indicated by FCS measurements of the binding of STAT3-TMR and the peptide.
Asymptotic behavior of regularized shock solutions in coating flows
Daniel Badali,Marina Chugunova,Dmitry Pelinovsky,Steven Pollack
Physics , 2011,
Abstract: We consider a model for thin liquid films in a rotating cylinder in the small surface tension limit. Using dynamical system methods, we show that the continuum of increasing shock solutions persists in the small surface tension limit, whereas the continuum of decreasing shock solutions terminates at the limit. Using delicate numerical computations, we show that the existence curves of regularized shock solutions on the mass-flux diagram exhibit loops. The number of loops increases and their locations move to infinity as the surface tension parameter decreases to zero. If $n$ is the number of loops in the mass-flux diagram with $2n+1$ solution branches, we show that $n+1$ solution branches are stable with respect to small perturbations.
Tinea nigra by Hortaea werneckii, a report of 22 cases from Mexico
A. Bonifaz,H. Badali,G.S. de Hoog,M. Cruz
Studies in Mycology , 2008,
Abstract: Tinea nigra is a superficial mycosis caused by Hortaea werneckii. It is an infrequent asymptomatic infection that affects human palms and soles, and is mostly observed in tropical countries. We evaluate retrospectively twenty-two confirmed cases of tinea nigra from a total of eleven yr (1997–2007) and discuss the epidemiology, clinical features and treatment of this disease. In twelve cases, adults were involved, in 10, children. In nineteen cases the disorder was located on palms of hands and in three on soles of feet. In all cases, the obtained isolates were morphologically identified as Hortaea werneckii and the identification of ten isolates was retrospectively confirmed with the help of sequences of the internal transcribed spacer regions of the ribosomal DNA. The patients received topical treatment with Whitfield ointment, ketoconazole, bifonazole, or terbinafine. Treatment with keratolytic agents and topical antifungals was effective.
Ultrastructural Identification of the Basal-Granulated Cells in the Duodenum of Albino Rat  [PDF]
Ali Hassan A. Ali
Open Journal of Gastroenterology (OJGas) , 2014, DOI: 10.4236/ojgas.2014.47041
Abstract: The fine structure of the crypt epithelium of the duodenal mucosa in albino rats was studied to represent the types and distribution of the basal-granulated or endocrine cells. Twenty male animals were used. Perfusion-fixation was made and samples of duodenal mucosa were taken and processed to prepare epon-embedded specimens for examination by a transmission electron microscope. Cells containing membrane-bound granules were seen in the crypt epithelium. They were identified to be basal-granulated cells. Six different types of such cells were demonstrated. All of the cells were of the closed type. The possible functional significance of these closed cell types was discussed. Correlation among the distributions of such cells in the intestine of albino rat might enable the physiologists, internists and other research workers to study several biologically active peptides with well-established functions other than those which have long been investigated.
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