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Hussain, Fida,Hussain, Imran,Khan, Aqib Hassan Ali,Muhammad, Yousaf Shad,Iqbal, Mazhar,Soja, Gerhard,Reichenauer, Thomas Gerhard,Zeshan, Thomas Gerhard,Yousaf, Sohail Elsevier 2018 Environmental and experimental botany Vol.153 No.-
<P><B>Abstract</B></P> <P>Petroleum hydrocarbons are extensively utilized in petrochemical industries and cause soil deterioration during exploration, transportation, refining and making petroleum products. We hypothesized that the combined use of compost, biochar and bacterial consortia as soil amendments may enhance the rhizoremediation potential of ryegrass by strengthening the plant rhizospheric effect for efficient total petroleum hydrocarbon removal. The present study focused on phytoremediation of hydrocarbons in spiked contaminated soil amended with biochar (5% v/v), and compost (5% v/v). Spiked soil was inoculated with consortia of four hydrocarbon degrading bacterial strains (<I>Pseudomonas poae, Actinobacter bouvetii, Stenotrophomonas rhizophila</I> and <I>Pseudomonas rhizosphaerae</I>). The spiked soil was prepared by spiking agricultural soil with 3.4% (w/w) of crude oil. Italian ryegrass (60 seeds pot<SUP>−1</SUP>) were sown and plants were harvested after 75 days.</P> <P>The highest hydrocarbon removal (85%) was observed in spiked soil amended with compost, biochar and consortia. Bacterial inoculation with biochar and compost showed significantly higher hydrocarbon degradation as compared to all other treatments. Highest TPHs degrading bacteria (5.74 × 10<SUP>7</SUP> cells g<SUP>−1</SUP> of soil) were observed in rhizosphere of spiked soil amended with compost, biochar and consortia. The organic amendments improved plant growth and bacterial count in rhizosphere which resulted in higher removal of hydrocarbons. We concluded that plant-microbe interactions together with the organic soil amendments offer an emerging trend for remediation of hydrocarbons. Rhizoremediation is a green solution to overcome the quandary of total petroleum hydrocarbon contamination in soil.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Biochar and compost amendment enhanced rhizosphere effect. </LI> <LI> TPHs Rhizoremediation is improved by bacterial consortia and organic amendments. </LI> <LI> The organic amendments improved plant growth and bacterial count in rhizosphere. </LI> <LI> Compost is a rich source of bacteria in the rhizosphere. </LI> </UL> </P>
Modeling and simulation of planar SOFC to study the electrochemical properties
Jawad Hussain,Rashid Ali,Majid Niaz Akhtar,Mujtaba Hussain Jaffery,Imran Shakir,Rizwan Raza 한국물리학회 2020 Current Applied Physics Vol.20 No.5
In this paper, modeling and simulations are carried out using COMSOL Multiphysics. A three-dimensional model is developed for a planar intermediate temperature (IT) solid oxide fuel cell (SOFC). A parametric study has been carried out to analyze the performance of SOFC. Simulations reveal some promising features and enhanced performance of SOFC. It is shown that the maximum value of power (4–3.3) kW/m2 still remains higher with significant rise of temperature (600 °C–1000 °C), nearly 0.15 kW/m2 is the very small loss of power per 100 °C rise of temperature. Results have shown that the electrolytic current density is (6700–5500) A/m2 for peak value of power (4–3.3) kW/m2 with increase of temperature (600 °C–1000 °C). For model validation we have plotted a comparison of average current density.
Low-Cost Circularly Polarized Origami Antenna
Shah, Syed Imran Hussain,Tentzeris, Manos M.,Lim, Sungjoon IEEE 2017 IEEE antennas and wireless propagation letters Vol.16 No.-
<P>In this letter, we present a novel circularly polarized (CP) origami antenna. We fold paper in the form of an origami tetrahedron to serve as the substrate of the antenna. The antenna comprises two triangular monopole elements that are perpendicular to each other. Circular polarization characteristics are achieved by exciting both elements with equal magnitudes and with a phase difference of 90 degrees. In this letter, we explain the origami folding steps in detail. We also verify the proposed concept of the CP origami antenna by performing simulations and measurements using a fabricated prototype. The antenna exhibits a 10-dB impedance bandwidth of 70.2% (2.4-5 GHz), and a 3-dB axial-ratio bandwidth of 8% (3.415-3.7 GHz). The measured left-hand circular polarization gain of the antenna is in the range of 5.2-5.7 dBi for the 3-dB axial-ratio bandwidth.</P>
A Novel High-Gain Tetrahedron Origami
Shah, Syed Imran Hussain,Lee, Dongju,Tentzeris, Manos M.,Lim, Sungjoon IEEE 2017 IEEE antennas and wireless propagation letters Vol.16 No.-
<P>In this letter, a novel high-gain tetrahedron origami antenna is introduced. The antenna comprises a triangular-shaped monopole, a reflector, and two parasitic strip directors on a paper substrate. The directors and the reflector are employed to increase the antenna gain. The step-by-step origami folding procedure is presented in detail. The proposed design of antenna is verified by both simulations and measurements with a fabricated prototype. The antenna exhibits a 10-dB impedance bandwidth of 66% (2-4 GHz) and a peak gain of 9.5 dBi at 2.6 GHz.</P>
Imran, Qari Muhammad,Hussain, Adil,Mun, Bong-Gyu,Lee, Sang Uk,Asaf, Sajjad,Ali, Muhammad Amjad,Lee, In-Jung,Yun, Byung-Wook Elsevier 2018 Environmental and experimental botany Vol.148 No.-
<P><B>Abstract</B></P> <P>WRKY transcription factors are important plant-specific regulatory genes characterized by one or two conserved WRKY domain(s) usually followed by a zinc-finger motif. In this study using <I>Arabidopsis thaliana</I>, the RNA-Seq based transcriptomic analysis showed differential expression of 33 genes encoding WRKY TFs in response to the nitric oxide (NO) donor S-Nitrosocysteine (CySNO). Interestingly, 93.9% of these TFs were up-regulated with at least 2-fold change, suggesting their putative involvement in NO mediated gene regulation. GO- analysis of all the 33 transcriptomic elements showed their putative involvement in biological processes such as abiotic stress tolerance and defense against fungal pathogens (89.39 fold enrichment). Analysis of the NO-responsive AtWRKY TFs promoter region revealed the presence of the <I>cis</I>-acting elements such as ABRE, EIRE, ERE, and MBS involved in osmotic stress response, maximal elicitor-mediated activation, and drought-stress regulation. The analysis of NO-responsive AtWRKY TF motifs and their comparison with rice, soybean, and tomato orthologs suggested that members of the WRKY family belonging to the same group shared similar motifs and phylogenetic tree suggested that these TFs were highly conserved. Validation of transcriptomic data through quantitative real time-PCR showed a high correlation coefficient (0.85) indicating the high reliability and similarity of both types of analysis. Comparison of the NO-responsive and non-responsive WRKYs showed the presence of tyrosine (T) and cysteine (C) residues at a distance of 7 residues from the WRKYGQK motif which may serve as potential targets for modification by NO via tyrosine nitration and S-nitrosylation. We also validated the response of WRKYs through <I>in vivo</I> analysis using <I>atwrky62</I> loss of function mutant and the results indicated a negative role of <I>AtWRKY62</I> in plant growth. Furthermore, <I>atwrky62</I> showed significantly less SNO contents compared to wild type plants indicating putative role of <I>AtWRKY</I>62 in NO metabolism.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The expression of more than 90% of the NO-responsive WRKY TFs was up-regulated within 6 h of CySNO infiltration. </LI> <LI> NO-responsive AtWRKY TFs share a high sequence homology with those of rice, tomato and soybean suggesting a similar conserved function for these WRKYs among the species. </LI> <LI> GO terms for biological processes associated majority of NO-responsive WRKYs to GO term for response to fungal stimuli. </LI> <LI> Most of the NO-responsive WRKY TFs have either Cysteine or Tyrosine residues (potential targets for protein <I>S</I>-nitrosylation) at 7<SUP>th</SUP> position from WRKY motif while NO-non-responsive don’t have these residues. </LI> <LI> <I>atwrky62</I> loss-of-function mutants negatively regulates shoot and root length under control and CySNO induced nitrosative stress. </LI> </UL> </P>
The Impact of Capital Account Openness on Income Inequality: Empirical Evidence from Asia
Imran ULLAH,Fayaz Hussain TUNIO,Zia ULLLAH,Agha Amad NABI 한국유통과학회 2022 The Journal of Asian Finance, Economics and Busine Vol.9 No.2
The relationship between income inequality and capital account openness is empirically investigated in this study, where macroeconomic variables have opposing effects. Panel data used in the study from the KAOPEN Index and World Bank consists of 28 Asian countries and has been examined; it contains annual observations from 1970 to 2018. The data is examined using a random-effect model based on GMM estimates. Income inequality and capital account openness are positively and significantly related, according to our findings. Overall, the findings imply that increasing income gaps reduced capital investment in nations with large discrepancies. The growing economic discrepancy is being caused by the rich’s increasing income share at the expense of the poor. In Asia, inward capital account openness exacerbates income inequality, while outward capital account openness exacerbates it. As a result, income inequality slows economic growth, leading to inflation, unemployment, and increased government spending in several Asian countries. Our control factors, GDP, and other secondary school enrolments, all had a statistically significant negative relationship with income inequality. Income disparity has a positive and statistically significant association with government spending, inflation, population, trade openness, and unemployment. Income disparity has a negative association with capital account openness, gross domestic product, and secondary school enrollment.
Water soluble chitosan conjugate as a novel preservative for beef meat under refrigeration storage
Imran Khan,Charles Nkufi Tango,Shuai Wei,Mohammad Shakhawat Hussain,Youn-Seo Park,Eric B-M Daliri,Momna Rubab,Paul-Francois Ngnitcho Kounkeu,Byung-Jae Park,Se-Hun Kim,Deog-Hwan Oh 한국식품영양과학회 2016 한국식품영양과학회 학술대회발표집 Vol.2016 No.10
Factors Affecting Job Performance: A Case Study of Academic Staff in Pakistan
Fayaz Hussain TUNIO,Amad Nabi AGHA,Faryal SALMAN,Imran ULLAH,Asad NISAR 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.5
This study’s fundamental purpose is to examine the personality factors of business school faculty members in job satisfaction and job performance. Results show the significant impact of multicultural faculty members’ job performance in a diverse environment in the Business schools of Karachi. The data is collected through the multi questionnaires from the various teaching, non-teaching staff, and students of private business schools of Karachi in Pakistan. The data has been tested through the Jamovi-by-medmod, and the regression model is to scrutinize and find the effect dependent variables to mediation. Simultaneously, results are calculated by mediation estimates and path estimates through the medmod technic and regression test from data. It provides a comprehensive insight into various factors such as personality traits, self-efficiency, Psychological diversity climate, self-esteem, and human resource management practices. These are the primary evaluated factors that affect multicultural faculty members’ job satisfaction and job performance. However, results show a positive relationship between diversity climate and job performance, which mediates by job satisfaction. Similarly, personality traits show a positive relationship with job performance that mediates by job satisfaction. Correspondingly, self-esteem spectacles are a positive inter-relationship with job performance which is mediated by job satisfaction.