Yousr Ali

Suez Canal University · Department of Business Administration

In this research article, we studied the behavior of the yields and Nuclear Modification Factors (NMFs) of the π±, K± mesons, and for the protons/antiprotons in the mid rapidity region as a function of pT (in the pT < 20 GeV/c region). Additionally, we analyzed the ratios of yields of K± mesons and protons/antiprotons to the yields of π± mesons as...

The present paper is a comparative study of transverse momentum spectra of Ks0 − mesons, Λ- hyperons, multi-strange baryons Ξ-, Ξ¯+,Ω- and Ω¯+ in the most central Pb–Pb collisions at sNN = 2.76 and 5.02 TeV for the mid rapidity interval y< 0.5 by using two different Monte Carlo simulation models, EPOS-1.99 and EPOS-LHC. Particle ratios Λ/Ks0 are st...

In this paper, we have studied differential production cross section of charmed \({\Lambda }_{\mathrm{c}}^{+}\) baryon as a function of \(p_{T}\) in \({\text{pp}}\) and p–Pb collisions at \(\sqrt {s_{{{\text{NN}}}} } = 5.02 {\text{TeV}}\) in the transverse momentum range of \(1 < p_{T} < 12\;{\text{GeV/c}}\) and \(1<{p}_{T}<24\mathrm{GeV}/c\), resp...

We have studied transverse momentum distributions of charged particles produced in pp and Pb–Pb collisions at [Formula: see text] TeV and 5.02 TeV in the pseudorapidity interval [Formula: see text] and transverse momentum range [Formula: see text][Formula: see text]GeV/[Formula: see text]. We simulated data using EPOS-LHC, EPOS-1.99 and QGSJETII-04...

In this paper, we describe a study of charged particle yield as a function of p T for K * (892) ⁰ and ϕ (1020) mesons in proton–proton ( pp ) and Pb–Pb collisions at s N N = 2.76 TeV in the central rapidity region of ∣y∣ < 0.5, in a p T range of 0 < p T < 15 GeV c ⁻¹ in pp collisions and in a p T range of 0 < p T < 20 GeV c ⁻¹ in Pb-Pb collisions....

The pseudorapidity [Formula: see text] dependence of charged-particles ratios in three transverse momentum [Formula: see text] regions, obtained by hadron production models, in proton–proton collisions at 7 TeV are compared with the measurements of LHCb detector. Compared to the experimental data, the [Formula: see text] ratios are independent of [...

In this study, we are reporting comprehensive results on π±, K±, p and p̄ production in the transverse momentum range of 0<pT< 4 GeV/c at midrapidity of 0<y< 0.5 GeV/c, in p–Pb collisions at sNN = 5.02 TeV. HIJING 1.0 and UrQMD 3.4 event generators are used to perform simulations and the results are compared with the ALICE and RHIC data. It is obse...

In this research paper, the comprehensive results on the double differential yield of π± and k± mesons, protons and antiprotons as a function of laboratory momentum are reported. These hadrons are produced in proton-carbon interaction at 60 GeV/c. EPOS 1.99, EPOS-LHC and QGSJETII-04 models are used to perform simulations. Comparing the predictions...

Radiofrequency (RF) ablation is a minimally invasive technique often used percutaneously in the treatment of many conditions such as spasticity, pain, and osteoid osteoma. The purpose of this study was to assess the value of motor response threshold (MRT) as an indirect indicator of the RF generator's electrode to nerve distance, and to evaluate th...

IntroductionBrucellosis is a rare disease with variable neurological and imaging manifestations.

Brucellosis is a rare disease with variable neurological and imaging manifestations. A 54-year-old woman presented with progressive paraparesis and sensorineural hearing loss over 18 months. The presence of diffuse white matter changes on brain magnetic resonance imaging (MRI) and cerebrospinal fluid findings led to the diagnosis of neurobrucellosi...

To study the efficacy of surgery on the postoperative control of epilepsy in patients operated for brain tumors. Forty patients operated for supratentoriel cerebral tumors with epilepsy, at Hotel-Dieu de France (HDF) hospital center, between 1983 and 2005, were included in this study. Clinical, paraclinical and surgical information were collected....

Meningeal melanocytoma is a rare benign CNS tumor derived from the leptomeningeal melanocytes. Although unusual, malignant transformation with leptomeningeal seeding into the brain or spinal cord may occur years after the initial diagnosis. The authors report a unique case of multifocal benign meningeal melanocytoma involving both cerebellopontine...

IntroductionBrucellosis is a rare disease in which neurological complications, and more particularly, intracranial aneurysmal hemorrhages were rarely reported.Case reportA brucellar meningitis was diagnosed in a 29-year-old man, who had been suffering from an unusual headache for about two months. Three days after beginning treatment, the patient d...

Brucellosis is a rare disease in which neurological complications, and more particularly, intracranial aneurysmal hemorrhages were rarely reported. A brucellar meningitis was diagnosed in a 29-year-old man, who had been suffering from an unusual headache for about two months. Three days after beginning treatment, the patient developed an intracrani...

To analyze the impact of the lunar cycle and season on the incidence of aneurysmal subarachnoid hemorrhage (SAH). The medical records of 111 patients who were admitted over a 5-year period to our department because of aneurysmal SAH were retrospectively reviewed. The date of aneurysm rupture was matched with the corresponding season and moon phase....

Hydrocephalus resulting from bilateral thrombosis of the jugular veins has been rarely described in the literature. We report the case of an 18-month-old girl who was diagnosed with this condition following total parenteral nutrition. We also review the literature relevant to this subject and discuss the pathophysiology of hydrocephalus in the sett...

Objective: Surgical treatment of chronic subdural haematoma (CSH) is well established but the optimal technique to be used is still controversial. Method: We performed a non-randomised retrospective comparative study on 154 patients with 199 CSHs (45 being bilateral) operated at the Hotel-Dieu de France Hospital between January 1995 and January 200...

Korsakoff-like amnestic syndromes have been rarely described following structural lesions of the central nervous system. In this report, we describe a case of acute Korsakoff-like syndrome resulting from the combination of a left anteromedian thalamic infarct and a right hippocampal hemorrhage. We also review the literature relevant to the neuropat...

Trigeminal neuralgia has been rarely reported in association with dural arteriovenous malformations (DAVMs). We describe a case of trigeminal neuralgia resulting from compression of the trigeminal nerve at its root entry zone by a large tentorial DAVM. Surgical interruption of the draining vein at its exit from the tentorium resulted in complete an...

Sixteen genotypes developed through hybridization and mutation breeding techniques were evaluated during the year 2003-04 on nine locations covering most of the area of Punjab province including Faisalabad, Toba Tek Singh and Jhang. NIAB-IRRI-9, Jhona-379 salt tolerant genotypes and super Basmati, a salt sensitive variety were included as standard...

Fourteen genotypes of Brassica ( Brassica comprestries L.) were studied in the Laboratory under different salinity levels (EC=5, 10,15,20,25 d sm-1) for preliminary evaluation in respect of germination percentage and relative growth rate. Five genotypes among 14 were picked for yield evaluation in Multilocational trials at five different natural sa...

Introduction. Cette étude a pour but d’analyser la concordance entre le diagnostic radiologique basé sur le scanner et l’IRM et le diagnostic histologique chez un groupe de patient ayant une lésion cérébrale biopsiée en condition stéréotaxique. Matériel-Méthode. Il s’agit d’une étude portant sur 121 patients (80 H et 41 F), âgés de 3 à 80 ans, pri...

Wheat cultivars of diverse origin including approved varieties of different provinces of Pakistan i.e. Punjab, NWFP and Sindh were tested against different salinity levels in laboratory as well as in naturally saline fields in different ecological zones. Initially, 16 genotypes were studied for germination test at 6 different salinity levels rangin...

Thirteen genotypes of cotton developed through hybridization and mutation breeding techniques were evaluated during two consecutives years 2002-03-04 on eight locations covering most of the area of Punjab province including Faisalabad, Toba Tek Singh and Jhang. The eight sets of experiments were conducted in the naturally highly saline sodic soils,...

Thirteen genotypes of rice comprising of approved varieties and elite candidate lines were studied at three different water regimes by supplying 12, 8 and 4 numbers of irrigations at different intervals/ stages. The experiment was conducted at NIAB Farm Faisalabad, Pakistan on a clay loam soil applying normal doses of N and P fertilizers during 200...

Salt tolerance in eighteen advanced rice genotypes was studied under an artificially salinized (EC=8.5 dSm-1) soil conditions after 90 days of transplanting. The results showed that the yield per plant, chlorophyll concentrations, fertility percentage, and number of productive tillers, panicle length and number of primary braches per panicle of all...

Twenty-six cowpea cultivars were tested for yellow mosaic virus resistance at NIAB Faisalabad. NCPM-1, Elite, IT-84-552, No.44, P-518, S.A. Dandy, IT-97k-350-4, IT-93K-452, IT-97K-1042-8 and IT-97K-497-2 showed resistant reaction to yellow mosaic virus disease. As the study was aimed to select disease resistant and high yielding cultivars. Five cul...

Ten advanced rice lines were screened for salinity tolerance at seedling stage using a rapid screening technique. Out of the lines tested, five were found tolerant, four were graded as moderately tolerant and one as susceptible. It appeared that tolerant lines had higher root and shoot ratio at seedling stage thus providing a clue about salt tolera...

Aromatic Schiff-bases are known to have antibacterial activity, but most of these compounds are sparingly soluble in water. The present work describes the synthesis of new Schiff-bases derived from branched aminosugars. Treatment of 3-Amino-3-Cyano-3-Deoxy-1,2:5,6-Di-O-Isopropylene-α-D-Allofuranose (1) with the aldehydes (2) under reflux in methano...

The performance of seven mutants of mungbean along with parental types was studied at 41 different sites in three summer crop seasons from 1980 to 1982. The performance of mutants was also studied in spring in the fallow period preceding cotton, and in early summer in the fallow period between wheat harvest and rice/maize planting, to assess their...

Selective benzoylation of HO-2 and HO-2' of 4,6-O-benzylidene-alpha-D-glucopyranosyl 4,6-O-benzylidene-alpha-D-glucopyranoside with N-benzoylimidazole led to the exclusive formation of 2-O-benzoyl-4,6-O-benzylidene-alpha-D-glucopyranosyl 2-O-benzoyl-4,6-O-benzylidene-alpha-D-glucopyranoside. Oxidation of either the dibenzoate or the corresponding d...

Bei der Reaktion des a1lo,allo-Diepoxids (I) mit Na-azid in Gegenwart von Ammoniumchlorid erfolgt trans-diaxiale nucleophile Ringöffnungs-Reaktion hauptsächlich zum altro-Diazid (II) (80% der Gesamtausbeute).

2,3-Anhydro-4,6-O-benzylidene-α-D-mannopyranosyl 2,3-anhydro-4,6-O-benzylidene-α-D-mannopyranoside, and the corresponding isomeric allo,allo- and non-symmetrical allo,manno-diepoxides all undergo predominant trans-diaxial ring opening with azide anion to give diazides of altropyranosyl altropyranosides. Likewise, ring opening of the monoepoxide. 2,...

The displacement reactions of 2,3-di-O-benzoyl-4,6-di-O-mesyl-α-D-glucopyranosyl 2,3-di-O-mesyl-α-D-glucopyranoside (1) with azide anion have been studied. In hexamethylphosphoric triamide, all four sulphonate groups were replaced to give the tetra-azide 4 with inversion of configuration at the 4,4′ positions. When N,N-dimethylformamide was used as...

Twenty three dwarf mutants, five early flowering mutants and four commercial varieties of Basmati rice were studied for genetic correlations among yield and yield components. Yield per plant showed highly significant positive correlations with number of spikelets per panicle, number of primary and secondary branches per panicle and panicle length....

The synthesis of methyl 2-acetamido(or benzamido)-3,4,6-triazido-2,3,4,6-tetradeoxy-α-D-glucopyranoside has been investigated by a number of routes involving displacement reactions of sulphonate esters, and its reduction to derivatives of 2,3,4,6-tetra-amino-2,3,4,6-tetradeoxy-D-glucose has been accomplished. During the course of this work it has b...

Modifications have been made to the preparation of methyl 4,6- O-benzylidene-2,3-dideoxy-2,3-epimino-α-D-allopyranoside from derivatives of 2-amino-2-deoxy-D-glucose, which permit it to be prepared in high yield and on a large scale. Further, ring-opening reactions of the epimine and its N-substituted derivatives have been studied with halide ion u...

Methyl 2,3,4,6-tetra-amino-2,3,4,6-tetradeoxy-α-D-galactopyranoside has been synthesised from a 2-acetamido-2-deoxy-allopyranoside by the stepwise introduction of azide groups into the molecule by the nucleophilic displacement of sulphonyloxy-groups. These displacement reactions are greatly facilitated by the use of hexamethylphosphoric triamide as...