Search results for: Muhammad Qasim

Items from 1 to 20 out of 157 results

article

Preparation of Metal Oxide‐based Oxygen Carriers Supported with CeO₂ and γ‐Al₂O₃ for Chemical Looping Combustion

Muhammad Qasim, Muhammad Ayoub, Aqsha Aqsha, Muhammad Zulfiqar

Chemical Engineering & Technology > 44 > 4 > 782 - 787

The development of efficient oxygen carriers (OCs) in chemical looping combustion (CLC) exhibited tremendous achievement considering inherent CO₂ capture. The selectivity of CO₂ in the CLC process depends on the performance of employed OCs during multiple redox cycles. Different types of OCs were prepared, including 5wt%Ni/5wt%Ce/γ‐Al₂O₃, 5wt%La/5wt%Ce/γ‐Al₂O₃, and 5wt%Pr/5wt%Ce/γ‐Al₂O₃, using the...

article

Automated design for recognition of blood cells diseases from hematopathology using classical features selection and ELM

Muhammad Attique Khan, Muhammad Qasim, Hafiz Muhammad Junaid Lodhi, Muhammad Nazir, more

Microscopy Research and Technique > 84 > 2 > 202 - 216

In the human immune system, the white blood cells (WBC) creates bone and lymphoid masses. These cells defend the human body toward several infections, such as fungi and bacteria. The popular WBC types are Eosinophils, Lymphocytes, Neutrophils, and Monocytes, which are manually diagnosis by the experts. The manual diagnosis process is complicated and time‐consuming; therefore, an automated system is...

article

Stimuli‐Responsive Dynamic Metaholographic Displays with Designer Liquid Crystal Modulators

Inki Kim, Muhammad Afnan Ansari, Muhammad Qasim Mehmood, Won‐Sik Kim, more

Advanced Materials > 32 > 50 > n/a - n/a

Flat optics, realized by the artificially created 2D material platform called optical metasurfaces, is currently undergoing a science‐to‐technology transition. However, “real‐time” active operations of such flat optical devices remain yet unresolved. Here, liquid crystals (LCs)‐integrated metaholograms for ultracompact dynamic holographic displays are proposed. The anisotropic nature of the LCs allows...

article

Meta‐Holographic Displays: Stimuli‐Responsive Dynamic Metaholographic Displays with Designer Liquid Crystal Modulators (Adv. Mater. 50/2020)

Inki Kim, Muhammad Afnan Ansari, Muhammad Qasim Mehmood, Won‐Sik Kim, more

Advanced Materials > 32 > 50 > n/a - n/a

A touch‐responsive meta‐holographic display, which is promising for interactive holographic displays with touch sensing or motion recognition is presented by Young‐Ki Kim, Junsuk Rho, and co‐workers in article number 2004664. According to an applied surface pressure with a gentle finger touch, the floating holographic images encoded in a metasurface can be switched in real‐time. The liquid‐crystal‐integrated...

article

Application of Perov type fixed point results to complex partial differential equations

Ishak Altun, Muhammad Qasim

Mathematical Methods in the Applied Sciences > 44 > 2 > 2059 - 2070

In this paper, we characterize a new generalization of Perov fixed point result via Λ‐admissibility and Ψ‐contractivity on vector‐valued metric space and provide a comparative example. Then we investigate the existence of solution of a complex partial differential equation of the form, via obtained new fixed point results under suitable conditions.

article

Fabrication of polycaprolactone nanofibrous membrane‐embedded microfluidic device for water filtration

Muhammad Qasim, Duong Duy Duong, Ji Yi Lee, Nae Yoon Lee

Journal of Applied Polymer Science > 137 > 40 > n/a - n/a

In this study, we fabricated a plastic microfluidic device embedded with polycaprolactone (PCL) nanofibrous membrane for use as a filter for the removal of bacteria from contaminated water. A microfluidic device was fabricated by sandwiching an electrospun PCL nanofibrous membrane between two layers of poly(methyl methacrylate) (PMMA) substrates. On the top PMMA layer, a serpentine microchannel was...

article

Early Cretaceous to Eocene magmatic records in Ladakh arc: Constraints from U–Pb ages of Deosai volcanics, northern Pakistan

Umair Khan Jadoon, Lin Ding, Upendra Baral, Muhammad Qasim

Geological Journal > 55 > 7 > 5384 - 5397

This research provides a detailed U–Pb geochronological record of Deosai volcanics in the western Himalaya. The volcanics comprise basalt, andesite, dacite, and rhyolite and are part of the Kohistan–Ladakh arc, exposed east of the Nanga Parbat–Haramosh Massif. Based on the U–Pb ages, this volcanic suite is classified into three chronostratigraphic units: (a) Chota Pani volcanics, (b) Shatung Nala...

article

Does financial availability sustain financial, innovative, and environmental performance? Relation via opportunity recognition

Aasma Memon, Zhang Yong An, Muhammad Qasim Memon

Corporate Social Responsibility and Environmental Management > 27 > 2 > 562 - 575

Traditionally, firms tend to incline toward financial performance and profitability to surge shareholder's wealth. In the modern day, in addition to financial performance, innovative and environmental performance has also become a central effort. However, all firms are not flourished in the achievement of financial, innovative, and environmental performance, particularly small‐ and medium‐sized enterprises...

article

Ultrasound-assisted forward osmosis desalination using inorganic draw solutes

Muhammad Qasim, Faisal W. Khudhur, Ahmed Aidan, Naif A. Darwish

Ultrasonics Sonochemistry > 2020 > 61 > C

Internal concentration polarization (ICP) represents a serious challenge in forward osmosis (FO) desalination since it causes a significant decline in the water flux across the membrane. Mitigation of ICP is cumbersome since the phenomenon occurs within the membrane porous support layer and mitigation procedures such as inducing turbulence or changing the hydrodynamic conditions tend to be ineffective...

article

Performance of Asar and Genç and Huang and Yang’s Two-Parameter Estimation Methods for the Gamma Regression Model

Muhammad Amin, Muhammad Qasim, Muhammad Amanullah

Iranian Journal of Science and Technology, Transactions A: Science > 2019 > 43 > 6 > 2951-2963

This study assesses the performance of two-parameter estimation methods to combat multicollinearity in the Gamma regression model. We derived optimal values for two-parameter estimation methods in the Gamma regression model. Furthermore, we proposed some estimation methods to estimate the shrinkage parameters and these methods improve the efficiency of the two-parameter estimator. We compare the performance...

article

In vitro induction of auto-allotetraploid in a newly developed wild rice line from Oryza alta Swallen

Liusheng Zhang, Fimanekeni Ndaitavela Shivute, Muhammad Qasim Shahid, Nabieu Kamara, more

Plant Cell, Tissue and Organ Culture (PCTOC) > 2019 > 139 > 3 > 577-587

Oryza alta Swallen is an important germplasm for rice resistance breeding; however, its CCDD genome (2n = 48) resulted in low crossability when the wild rice was crossed with O. sativa and restricted the success of transferring the desirable traits into cultivated rice. Induction of polyploidy is an efficient way for overcoming the low crossability among different species. A new O. alta line, Huaye...

article

Studies on antioxidant, hepatoprotective, and vasculoprotective potential of Viola odorata and Wrightia tinctoria

Humaira Jamshed, Hasan Salman Siddiqi, Anwar‐ul‐Hassan Gilani, Jamshed Arslan, more

Phytotherapy Research > 33 > 9 > 2310 - 2318

We have reported the antidyslipidemic, antihypertensive, and Ca⁺⁺ channel blocking activities of Viola odorata (VO) and Wrightia tinctoria (WT). This study extends our understanding of their therapeutic potential by exploring the effects on biomarkers of hepatic and vascular dysfunction together with phytochemical standardization and antioxidant potential. Total phenolic compounds, total flavonoids...

article

Enhancement of epigenetic reprogramming status of porcine cloned embryos with zebularine, a DNA methyltransferase inhibitor

Anukul Taweechaipaisankul, Geon A Kim, Jun‐Xue Jin, Sanghoon Lee, more

Molecular Reproduction and Development > 86 > 8 > 1013 - 1022

Aberrant epigenetic reprogramming is known to be a major cause of inefficient somatic cell nuclear transfer (SCNT) in pigs, and use of epigenetic modification agents, such as DNA methyltransferase inhibitors (DNMTis), is a promising approach for enhancing SCNT efficacy. Here, we attempted to find the optimal condition of zebularine (Zb), a DNMTi, treatment on porcine SCNT embryos during in vitro culture...

article

Development of EST-based SSR and SNP markers in Gastrodia elata (herbal medicine) by sequencing, de novo assembly and annotation of the transcriptome

Yunsheng Wang, Muhammad Qasim Shahid, Fozia Ghouri, Sezai Ercişli, more

00003 Biotech > 2019 > 9 > 8 > 1-10

Tianma (Gastrodia elata Blume) has unique biological characteristics and high medicinal value. The wild resource of G. elata is being overutilized and should be conserved as it is already included in the list of endangered species in China. The population size of cultivated G. elata is small because of domestication bottleneck. Therefore, it is of utmost importance to evolve high-quality varieties...

article

Electrochemical determination of antioxidant activity and HPLC profiling of some dry fruits

Haji Muhammad, Iftikhar Ahmad Tahiri, Muhammad Qasim, Muhammad Ali Versiani, more

Monatshefte für Chemie - Chemical Monthly > 2019 > 150 > 7 > 1195-1203

This study explored the antioxidant activities of eight dry fruits (almond, apricot, cashew, figs, peanut, pistachio, raisins, and walnut) against electrochemically generated superoxide anion radical (O₂^·−) in a cyclic voltammetric cell. The HPLC profiling of phenolic aglycones was carried out to determine the antioxidant compounds present in these extracts. Most of the dry fruits showed strong O₂...

article

Identification of two further agriculturally important begomoviruses and their associated satellites infecting the weed Digera arvensis in Pakistan

Afzal Akram, Khalid Pervaiz Akhtar, Najeeb Ullah, Muhammad Qasim Aslam, more

European Journal of Plant Pathology > 2019 > 155 > 2 > 659-666

As well as competing with crop plants for nutrients, weeds may act as alternative hosts/reservoirs for agriculturally important viruses. The perennial weed Digera arvensis is common in and around fields of crops in Asia and has previously been shown to host begomoviruses and associated betasatellites and alphasatellites. During 2017, D. arvensis plants growing adjacent to a field of cotton in Faisalabad,...

article

Consanguinity: A blessing or menace at population level?

Munir Ahmad Bhinder, Haleema Sadia, Nasir Mahmood, Muhammad Qasim, more

Annals of Human Genetics > 83 > 4 > 214 - 219

Consanguinity has highly complex and multifaceted aspects with sociocultural as well as biological debates on its pros and cons. The biological upshot of consanguinity includes the increased homozygosity, which results in manifold increased risk of genetic disorders at family and population levels. On the other hand, in addition to social, cultural, political, and economic benefits, consanguineous...

article

Synthesis, fabrication and characterization of polymer microgel/photochromic dye-based sandwiched sensors

Mehwish Shah, Luqman Ali Shah, Muhammad Saleem Khan, Muhammad Qasim Nasar, more

Iranian Polymer Journal > 2019 > 28 > 6 > 515-525

Stimuli-responsive biosensors are empirically measurable signatures for the detection of physiological status of environment and thus can act as clinical diagnosis devices. Poly(N-isopropylacrylamide) (PNIPAM) polymeric gels are widely explored as in vivo and in vitro thermoresponsive gels by changing their lower critical solution temperature (LCST). In this perspective, multi-responsive thin film...

article

Phylogenetic analyses of human 1/2/8/20 paralogons suggest segmental duplications during animal evolution

Farhan Haq, Usman Saeed, Rida Khalid, Muhammad Qasim, more

00003 Biotech > 2019 > 9 > 6 > 1-8

Susumu Ohno hypothesized that the diversity of vertebrate gene families and genome is due to two rounds of whole genome duplications (also referred as 2R hypothesis). The quadruplicate paralogous blocks present on 1/2/8/20 chromosomes are taken as one of the evidences in favor of the 2R. In this study, we investigated that whether 2R has shaped the vertebrate evolution using gene families residing...

article

Carbohydrate metabolism and fertility related genes high expression levels promote heterosis in autotetraploid rice harboring double neutral genes

Lin Chen, Yun Yuan, Jinwen Wu, Zhixiong Chen, more

Rice > 2019 > 12 > 1 > 1-20

Background Autotetraploid rice hybrids have great potential to increase the production, but hybrid sterility is a major hindrance in the utilization of hybrid vigor in polyploid rice, which is mainly caused by pollen abortion. Our previous study showed that double pollen fertility neutral genes, Sa-n and Sb-n, can overcome hybrid sterility in autotetraploid rice. Here, we used an autotetraploid rice...

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INFONA - science communication portal

Search results for: Muhammad Qasim

Preparation of Metal Oxide‐based Oxygen Carriers Supported with CeO₂ and γ‐Al₂O₃ for Chemical Looping Combustion

Automated design for recognition of blood cells diseases from hematopathology using classical features selection and ELM

Stimuli‐Responsive Dynamic Metaholographic Displays with Designer Liquid Crystal Modulators

Meta‐Holographic Displays: Stimuli‐Responsive Dynamic Metaholographic Displays with Designer Liquid Crystal Modulators (Adv. Mater. 50/2020)

Application of Perov type fixed point results to complex partial differential equations

Fabrication of polycaprolactone nanofibrous membrane‐embedded microfluidic device for water filtration

Early Cretaceous to Eocene magmatic records in Ladakh arc: Constraints from U–Pb ages of Deosai volcanics, northern Pakistan

Does financial availability sustain financial, innovative, and environmental performance? Relation via opportunity recognition

Ultrasound-assisted forward osmosis desalination using inorganic draw solutes

Performance of Asar and Genç and Huang and Yang’s Two-Parameter Estimation Methods for the Gamma Regression Model

In vitro induction of auto-allotetraploid in a newly developed wild rice line from Oryza alta Swallen

Studies on antioxidant, hepatoprotective, and vasculoprotective potential of Viola odorata and Wrightia tinctoria

Enhancement of epigenetic reprogramming status of porcine cloned embryos with zebularine, a DNA methyltransferase inhibitor

Development of EST-based SSR and SNP markers in Gastrodia elata (herbal medicine) by sequencing, de novo assembly and annotation of the transcriptome

Electrochemical determination of antioxidant activity and HPLC profiling of some dry fruits

Identification of two further agriculturally important begomoviruses and their associated satellites infecting the weed Digera arvensis in Pakistan

Consanguinity: A blessing or menace at population level?

Synthesis, fabrication and characterization of polymer microgel/photochromic dye-based sandwiched sensors

Phylogenetic analyses of human 1/2/8/20 paralogons suggest segmental duplications during animal evolution

Carbohydrate metabolism and fertility related genes high expression levels promote heterosis in autotetraploid rice harboring double neutral genes

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