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Lahore, Pakistan

Younis M.,University of Punjab | Ali S.,Minhaj University Lahore | Mahmood S.A.,University of Punjab
Nonlinear Dynamics | Year: 2015

The article proposes the three different types of envelope solitons: bright, dark and singular, to compound KdV–Burgers equation. The equation has been considered with variable coefficients and power law nonlinearity, which is the main interest of plasma physics. The ansatz approach is carried out to construct these solitons. The parameter regimes, for the existence of these solitons, are identified during the derivation of the solutions. © 2015, Springer Science+Business Media Dordrecht. Source


Ali S.,Minhaj University Lahore | Rizvi S.T.R.,COMSATS Institute of Information Technology | Younis M.,University of Punjab
Nonlinear Dynamics | Year: 2015

In this article, the solitary wave and topological soliton solutions in the models that describe the propagation of surface water waves in a uniform channel are successfully constructed. The solitary wave ansatz is used to carry out these distinct solutions. The corresponding integrability criteria, also known as constraint conditions, naturally emerge from the analysis of these models. © 2015, Springer Science+Business Media Dordrecht. Source


Cheemaa N.,Minhaj University Lahore | Younis M.,University of Punjab
Nonlinear Dynamics | Year: 2016

In this article, new and general exact traveling wave solutions including soliton-like solutions, triangular-type solutions, single and combined nondegenerate Jacobi elliptic wave function-like solutions, doubly periodic-like solutions are obtained for integrable (2+1)-dimensional Maccari system. This system is frequently introduced to define the motion of the isolated waves, localized in a very small part of space, in many fields such as quantum field theory, hydrodynamics, in plasma physics to describe the behavior of the sonic Langmuir solitons, and also in nonlinear optics. Based on the generalized elliptic equation, an algebraic method is used to construct a series of exact solutions. Being concise and straightforward, the calculations demonstrate the effectiveness and convenience of the method for solving other nonlinear partial differential equations. © 2015, Springer Science+Business Media Dordrecht. Source


Abdul Qadir M.,University of Punjab | Ahmed M.,University of Punjab | Iqbal M.,Minhaj University Lahore
BioMed Research International | Year: 2015

Novel sulfonamides were developed and structures of the new products were confirmed by elemental and spectral analysis (FT-IR, ESI-MS, 1HNMR, and 13CNMR). In vitro, developed compounds were screened for their antibacterial activities against medically important gram (+) and gram (-) bacterial strains, namely, S. aureus, B. subtilis, E. coli, and K. pneumoniae. The antibacterial activities have been determined by measuring MIC values (g/mL) and zone of inhibitions (mm). Among the tested compounds, it was found that compounds 5a and 9a have most potent activity against E. coli with zone of inhibition: 31±0.12 mm (MIC: 7.81 g/mL) and 30±0.12 mm (MIC: 7.81 g/mL), respectively, nearly as active as ciprofloxacin (zone of inhibition: 32±0.12 mm). In contrast, all the compounds were totally inactive against the gram (+) B. subtilis. © 2015 Muhammad Abdul Qadir et al. Source


Younis M.,University of Punjab | Ali S.,Minhaj University Lahore
Waves in Random and Complex Media | Year: 2015

In this article, the bright, dark, and singular solitons are being constructed for nonlinear longitudinal wave equation with dispersion caused by transverse Poisson’s effect in a magneto-electro-elastic circular rod. The solitary wave ansatz is used to carry out these solutions. The constraint conditions, for the existence of the soliton solutions, are also listed. This article provides a lot of encouragement for the researchers in this era. © 2015 Taylor & Francis Source

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