Search results for: Muhammad Qasim

Items from 1 to 20 out of 177 results

article

Utilization of two‐equation model for analysis of flow over a moving needle in the presence of magnetic field

Muhammad Idrees Afridi, Zhi‐Min Chen, Nadia Riaz, Muhammad Qasim

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für... > 103 > 9 > n/a - n/a

Many applications of the ocean and aerodynamic engineering, like the design of submarines, missiles, aircraft, rockets, and jet engines, involve flow over surfaces. Moreover, several experimental propulsion methods for seagoing ships, submarines and aerospace crafts are based on magnetohydrodynamics (MHD). This research explores the MHD boundary layer flow over a moving needle (shaped like a paraboloid...

article

Attitude and practice of regenerative endodontic procedures among endodontists and paediatric dentists: A multinational survey from 13 countries

Fatma Pertek Hatipoğlu, Ömer Hatipoğlu, Nessrin Taha, Anna Paulina Lehmann, more

International Journal of Paediatric Dentistry > 33 > 5 > 521 - 534

Background Regenerative endodontics (RET) refers to biologically based procedures that aim to restore damaged tooth structures and reinstate the pulp–dentine complex to its normal physiological state. Aim The purpose of this study was to examine the attitudes and practices of endodontists and paediatric dentists regarding RET. Design A survey was conducted among endodontists and paediatric dentists...

article

Topological indices and entropy of twisted cylinder‐nonorientable hexagonal Mobius strip

Muhammad Qasim, Hani Shaker, Mian Muhammad Zobair

International Journal of Quantum Chemistry > 123 > 15 > n/a - n/a

Mobius strip is an infinite loop having one‐sided surface with no boundaries, also known as twisted cylinder. Möbius strips being widely used in different fields of engineering are of important nature in research. Being different in sizes and shapes, these can be visualized in Euclidean space but few cannot be. Topology of Mobius strips makes it a rare Euclidean representation of the infinite nature...

article

Association of Gout Polygenic Risk Score With Age at Disease Onset and Tophaceous Disease in European and Polynesian Men With Gout

Nicholas A. Sumpter, Riku Takei, Murray Cadzow, Ruth K. G. Topless, more

Arthritis & Rheumatology > 75 > 5 > 816 - 825

Objective To determine whether a gout polygenic risk score (PRS) is associated with age at gout onset and tophaceous disease in European, East Polynesian, and West Polynesian men and women with gout. Methods A 19‐variant gout PRS was produced in 7 European gout cohorts (N = 4,016), 2 East Polynesian gout cohorts (N = 682), and 1 West Polynesian gout cohort (N = 490). Sex‐stratified regression models...

article

Multivariate analysis of a missense variant in CREBRF reveals associations with measures of adiposity in people of Polynesian ancestries

Jerry Z. Zhang, Lacey W. Heinsberg, Mohanraj Krishnan, Nicola L. Hawley, more

Genetic Epidemiology > 47 > 1 > 105 - 118

The minor allele of rs373863828, a missense variant in CREB3 Regulatory Factor, is associated with several cardiometabolic phenotypes in Polynesian peoples. To better understand the variant, we tested the association of rs373863828 with a panel of correlated phenotypes (body mass index [BMI], weight, height, HDL cholesterol, triglycerides, and total cholesterol) using multivariate Bayesian association...

article

In Situ Synthesis of Cu₃P/P‐Doped g‐C₃N₄ Tight 2D/2D Heterojunction Boosting Photocatalytic H₂ Evolution^†

Fangyong Hou, Feng Liu, Haochen Wu, Muhammad Qasim, more

Chinese Journal of Chemistry > 41 > 2 > 173 - 180

Heterojunction design in a two‐dimensional (2D) fashion has been deemed beneficial for improving the photocatalytic activity of g‐C₃N₄ because of the promoted interfacial charge transfer, yet still facing challenges. Herein, we construct a novel 2D/2D Cu₃P nanosheet/P‐doped g‐C₃N₄ (PCN) nanosheet heterojunction photocatalyst (PCN/Cu₃P) through a simple in‐situ phosphorization treatment of 2D/2D CuS/g‐C...

article

Frequency of middle mesial canal in mandibular first molars and its association with various anatomic variables

Usman Anwer Bhatti, Muhammad Muhammad, Muhammad Qasim Javed, Muhammad Sajid

Australian Endodontic Journal > 48 > 3 > 494 - 500

This study aimed to determine the frequency of the middle mesial canal in the mandibular first molars and its association with various anatomical features. Two experienced endodontists evaluated 149 CBCT images, containing n = 298 mandibular first molars and n = 298 mandibular second molars. Binary logistic regression was used to explore the relationship between the presence of middle mesial canal...

article

U(‐Th)–Pb age and petrogenesis of Shigar leucogranites, Karakoram Metamorphic Complex, North Pakistan

Muhammad Awais, Xiao‐Chi Liu, Muhammad Qasim, Fu‐Yuan Wu

Geological Journal > 57 > 10 > 4052 - 4073

The Shigar valley of northern Pakistan is a well‐known region for holding a variety of gemstones. As the gemstone‐bearing rock, post‐collisional leucogranites, and pegmatites in Shigar valley have been sporadically researched but the detailed and updated timing record along with the source rocks were not adequate. Here, we present comprehensive U(‐Th)Pb ages, mineral, and whole‐rock isotopic analyses...

article

A Comparative Analysis of Adopters and Non‐adopters of Drip Irrigation under Plastic Tunnels for Cucumber (Cucumis sativus L.) Production in Balochistan, Pakistan

Said Qasim, Muhammad Qasim, Anees Hassan, Ghulam Murtaza, more

Irrigation and Drainage > 71 > 3 > 635 - 647

This research tries to compare the water use efficiency, electricity efficiency and economic efficiency of adopters and non‐adopters of drip irrigation under plastic tunnels (DIUPT). Data regarding the socio‐economic conditions of farmers and their views on the advantages and disadvantages of the DIUPT were collected through a questionnaire survey of 200 farmers. For expenses, income, electricity...

article

A generalized differential quadrature algorithm for simulating magnetohydrodynamic peristaltic flow of blood‐based nanofluid containing magnetite nanoparticles: A physiological application

Muhammad Usman Ashraf, Muhammad Qasim, Abderrahim Wakif, Muhammad Idrees Afridi, more

Numerical Methods for Partial Differential Equations > 38 > 3 > 666 - 692

In this article, the peristaltic flow of blood‐based nanofluid is examined numerically by employing the generalized differential quadrature method. The Casson constitutive model is adopted to depict the flow characteristics in a uniform wavy tube. Besides, the non‐Newtonian nature and heat transfer feature of the nanofluidic medium are also scrutinized properly in the presence of platelet magnetite...

article

Double‐diffusive flow in a porous right‐angle trapezoidal enclosure with constant heat flux

Zafar H. Khan, Waqar A. Khan, Muhammad Qasim, Min Du

Mathematical Methods in the Applied Sciences > 45 > 6 > 3305 - 3317

A computation analysis is performed to study double‐diffusive natural convection in a right‐angle trapezoidal cavity packed with a porous medium. The horizontal top and bottom boundaries are insulated and impermeable. The vertical left sidewall is kept at a constant heat flux and high concentration, whereas the inclined sidewall is held at lower temperature and concentration. The dimensionless nonlinear...

article

Ultrastructural and physicochemical characterization of pH receptive chlorhexidine‐loaded poly‐L‐glycolic acid‐modified orthodontic adhesive

Muhammad Abdullah Kamran, Abdulaziz Alshahrani, Abdullah A. Alnazeh, Samuel Ebele Udeabor, more

Microscopy Research and Technique > 85 > 3 > 996 - 1004

This study aims to evaluate the feasibility of chlorhexidine (CHX)‐loaded poly‐L‐glycolic acid (PLGA) nanoparticles as a modifier of a commercial orthodontic adhesive via the assessment of physicochemical, biological, and mechanical properties at tooth‐bracket interface. CHX‐loaded PLGA nanoparticles were synthesized using double emulsion‐solvent evaporation method and characterized using transmission...

article

Geochemical and geochronological studies of Abor volcanic rocks of eastern Himalaya

Upendra Baral, Lin Ding, Tapos Kumar Goswami, Mondip Sarma, more

Geological Journal > 57 > 2 > 482 - 502

The Indian Plate began drifting northward after the Gondwana breakup and collided with the Eurasian Plate during the Early Cenozoic, resulting in the consequential development of the Himalayan–Tibetan Orogeny. Several microcontinents were rifted from Gondwana and amalgamated with the Indian Plate, resulting in magmatism along the continental margin. The Abor volcanic rocks (AVRs) in the eastern Himalaya...

article

Natural convection in triangular fin‐shaped cavity with partially heated base using nanofluid

Zafar H. Khan, Waqar A. Khan, Ahmed M. R. Elbaz, Muhammad Qasim, more

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für... > 101 > 12 > n/a - n/a

Computational analysis of convective heat transfer characteristics of Al₂O₃–Cu‐water hybrid nanofluid inside a triangular fin‐shaped cavity is performed. A heater of different lengths is attached to the base wall while the other walls are kept cold. The governing equations are modeled and transformed into dimensionless forms by utilizing dimensionless variables. For further investigation of the problem...

article

Influence of thiopheneyl‐based twisted backbone on the properties of α‐diimine nickel catalysts in ethylene polymerization

Daohong Liao, Shabnam Behzadi, Changwen Hong, Chen Zou, more

Applied Organometallic Chemistry > 35 > 11 > n/a - n/a

The modification of ligand sterics has become a prevalent strategy to tune the properties of α‐diimine‐type nickel catalysts. The majority of the works in this field focus on the modifications of the aniline moiety. In this contribution, we decide to explore the influence of backbone structures. Specifically, nickel complexes bearing 2,5‐dimethyl‐thien‐3‐yl and 2‐methyl‐5‐phenylthien‐3‐yl backbone...

article

Comparative palynology and taxonomic implication of Jasminum L. (Oleaceae) species from Pakistan on the bases of scanning electron microscopy

Naeem Akhtar, Muhammad Qasim Hayat, Ishfaq Ahmed Hafiz, Nadeem Akhtar Abbasi, more

Microscopy Research and Technique > 84 > 10 > 2325 - 2336

Jasminum L. is the largest genus containing ~200 species found wild mostly in the tropical regions of the world. The comparative palynological study of nine Pakistani Jasminum species with SEM showed zonocolpus, trilobate, and tricolpus pollen types with simple endocolpus apertures which are plesiomorphic and conserved in the Jasminum species. The equatorial pollen view was prolate, subprolate, and...

article

Integrated provenance and tectonic implications of the Cretaceous–Palaeocene clastic sequence, Changla Gali, Lesser Himalaya, Pakistan

Muhammad Qasim, Jalil Ahmad, Lin Ding, Javed Iqbal Tanoli, more

Geological Journal > 56 > 9 > 4747 - 4759

This study documented the field relationship and integrated provenance of a clastic sequence exposed at the Mesozoic–Cenozoic boundary located in Changla Gali section, Lesser Himalaya, Pakistan, to provide an insight into Cretaceous tectonics of the northern Indian margin. This boundary sequence is represented by the Early Palaeocene Hangu Formation, which consists of shales in the lower part and...

article

Validation of ROS1 by immunohistochemistry against fluorescent in situ hybridisation on cytology and small biopsy samples in a large teaching hospital

Nadira Narine, Andrew Wallace, Jonathan Dore, Simon O’Leary‐Jackson, more

Cytopathology > 32 > 5 > 621 - 630

Objective Rearranged ROS1, present in 1%‐2% of non‐small cell lung cancer (NSCLC) patients, usually young, never or light smokers, is assessed by fluorescence in situ hybridization (FISH) to determine eligibility for tyrosine kinase inhibitors (TKI). Immunohistochemistry (IHC) for the protein product of ROS1 rearrangement, a cost‐effective alternative, is validated on cytology and small biopsy samples...

article

A framework infrageneric classification of Carex (Cyperaceae) and its organizing principles

Group, Eric H. Roalson, Pedro Jiménez‐Mejías, Andrew L. Hipp, more

Journal of Systematics and Evolution > 59 > 4 > 726 - 762

Phylogenetic studies of Carex L. (Cyperaceae) have consistently demonstrated that most subgenera and sections are para‐ or polyphyletic. Yet, taxonomists continue to use subgenera and sections in Carex classification. Why? The Global Carex Group (GCG) here takes the position that the historical and continued use of subgenera and sections serves to (i) organize our understanding of lineages in Carex...

article

Prevalence and associated risk factors of Shigella flexneri isolated from drinking water and retail raw foods in Peshawar, Pakistan

Iqbal Nisa, Muhammad Qasim, Arnold Driessen, Jeroen Nijland, more

Journal of Food Science > 86 > 6 > 2579 - 2589

Abstract This study was designed to investigate the prevalence and associated risk factors of Shigella flexneri isolated from drinking water and retail raw food samples in Peshawar, Pakistan. A total of 1,020 different samples were collected from various areas of Peshawar between January 2016 and May 2017, followed by identification of S. flexneri through biochemical, serological, and 16S rRNA gene...

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INFONA - science communication portal

Search results for: Muhammad Qasim

Utilization of two‐equation model for analysis of flow over a moving needle in the presence of magnetic field

Attitude and practice of regenerative endodontic procedures among endodontists and paediatric dentists: A multinational survey from 13 countries

Topological indices and entropy of twisted cylinder‐nonorientable hexagonal Mobius strip

Association of Gout Polygenic Risk Score With Age at Disease Onset and Tophaceous Disease in European and Polynesian Men With Gout

Multivariate analysis of a missense variant in CREBRF reveals associations with measures of adiposity in people of Polynesian ancestries

In Situ Synthesis of Cu₃P/P‐Doped g‐C₃N₄ Tight 2D/2D Heterojunction Boosting Photocatalytic H₂ Evolution^†

Frequency of middle mesial canal in mandibular first molars and its association with various anatomic variables

U(‐Th)–Pb age and petrogenesis of Shigar leucogranites, Karakoram Metamorphic Complex, North Pakistan

A Comparative Analysis of Adopters and Non‐adopters of Drip Irrigation under Plastic Tunnels for Cucumber (Cucumis sativus L.) Production in Balochistan, Pakistan

A generalized differential quadrature algorithm for simulating magnetohydrodynamic peristaltic flow of blood‐based nanofluid containing magnetite nanoparticles: A physiological application

Double‐diffusive flow in a porous right‐angle trapezoidal enclosure with constant heat flux

Ultrastructural and physicochemical characterization of pH receptive chlorhexidine‐loaded poly‐L‐glycolic acid‐modified orthodontic adhesive

Geochemical and geochronological studies of Abor volcanic rocks of eastern Himalaya

Natural convection in triangular fin‐shaped cavity with partially heated base using nanofluid

Influence of thiopheneyl‐based twisted backbone on the properties of α‐diimine nickel catalysts in ethylene polymerization

Comparative palynology and taxonomic implication of Jasminum L. (Oleaceae) species from Pakistan on the bases of scanning electron microscopy

Integrated provenance and tectonic implications of the Cretaceous–Palaeocene clastic sequence, Changla Gali, Lesser Himalaya, Pakistan

Validation of ROS1 by immunohistochemistry against fluorescent in situ hybridisation on cytology and small biopsy samples in a large teaching hospital

A framework infrageneric classification of Carex (Cyperaceae) and its organizing principles

Prevalence and associated risk factors of Shigella flexneri isolated from drinking water and retail raw foods in Peshawar, Pakistan

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