611 results on '"Habib U"'
Search Results
2. Thermal Stability and Compatibility of Surfactants in Presence of Formation Water Salinity under Reservoir Conditions
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Muhammad Khan Memon, Ubedullah Ansari, and Habib U Zaman Memon
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Technology ,Engineering (General). Civil engineering (General) ,TA1-2040 ,Science - Abstract
In the surfactant alternating gas injection, the injected surfactant slug is remained several days under reservoir temperature and salinity conditions. As reservoir temperature is always greater than surface temperature. Therefore, thermal stability of selected surfactants use in the oil industry is almost important for achieving their long-term efficiency. The study deals with the screening of individual and blended surfactants for the applications of enhanced oil recovery that control the gas mobility during the surfactant alternating gas injection. The objective is to check the surfactant compatibility in the presence of formation water under reservoir temperature of 90oC and 120oC. The effects of temperature and salinity on used surfactant solutions were investigated. Anionic surfactant Alpha Olefin Sulfonate (AOSC14-16) and Internal Olefin Sulfonate (IOSC15-18) were selected as primary surfactants. Thermal stability test of AOSC14-16 with different formation water salinity was tested at 90oC and 120oC. Experimental result shows that, no precipitation was observed by surfactant AOSC14-16 when tested with different salinity at 90oC and 120oC. Addition of amphoteric surfactant Lauramidopropylamide Oxide (LMDO) with AOSC14-16 improves the stability in the high percentage of salinity at same temperature, whereas, the surfactant blend of IOSC15-18 and Alcohol Aloxy Sulphate (AAS) was resulted unstable. The solubility and chemical stability at high temperature and high salinity condition is improved by the blend of AOSC14-16+LMDO surfactant solution. This blend of surfactant solution will help for generating stable foam for gas mobility control in the methods of chemical Enhanced Oil Recovery (EOR).
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- 2020
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3. GWAS and co-expression network combination uncovers multigenes with close linkage effects on the oleic acid content accumulation in Brassica napus
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Min Yao, Mei Guan, Zhenqian Zhang, Qiuping Zhang, Yixin Cui, Hao Chen, Wei Liu, Habib U. Jan, Kai P. Voss-Fels, Christian R. Werner, Xin He, Zhongsong Liu, Chunyun Guan, Rod J. Snowdon, Wei Hua, and Lunwen Qian
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Oleic acid ,GWAS ,Haplotype ,Co-expression network ,Brassica napus ,Biotechnology ,TP248.13-248.65 ,Genetics ,QH426-470 - Abstract
Abstract Background Strong artificial and natural selection causes the formation of highly conserved haplotypes that harbor agronomically important genes. GWAS combination with haplotype analysis has evolved as an effective method to dissect the genetic architecture of complex traits in crop species. Results We used the 60 K Brassica Infinium SNP array to perform a genome-wide analysis of haplotype blocks associated with oleic acid (C18:1) in rapeseed. Six haplotype regions were identified as significantly associated with oleic acid (C18:1) that mapped to chromosomes A02, A07, A08, C01, C02, and C03. Additionally, whole-genome sequencing of 50 rapeseed accessions revealed three genes (BnmtACP2-A02, BnABCI13-A02 and BnECI1-A02) in the A02 chromosome haplotype region and two genes (BnFAD8-C02 and BnSDP1-C02) in the C02 chromosome haplotype region that were closely linked to oleic acid content phenotypic variation. Moreover, the co-expression network analysis uncovered candidate genes from these two different haplotype regions with potential regulatory interrelationships with oleic acid content accumulation. Conclusions Our results suggest that several candidate genes are closely linked, which provides us with an opportunity to develop functional haplotype markers for the improvement of the oleic acid content in rapeseed.
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- 2020
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4. Laboratory Analysis of Foam Generating Surfactants and Their Thermal Stability for Enhanced Oil Recovery Application
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Muhammad Khan Memon, Ubedullah Ansari, and Habib U Zaman Memon
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Technology ,Engineering (General). Civil engineering (General) ,TA1-2040 ,Science - Abstract
The residual oil after primary or secondary oil recovery can be recovered by the methods of EOR (Enhanced Oil Recovery). The objective of this study is screening the surfactants that generate maximum stable foam in the presence of brine salinity at 92oC. Laboratory experiments have been performed to examine and compare the stability of generated foam by individual and blended surfactants in the synthetic brine water. AOS C14-16 (Alpha Olefin Sulfonate) and SDS (Sodium Dodecyl Sulfonate) were selected as main surfactants. Aqueous stability test of AOS C14-16 and SDS with brine water salinity 62070ppm was performed at 92oC. AAS (Alcohol Alkoxy Sulfate) was blended with SDS and AOS C14-16. The solution was stable in the presence of brine salinity at same conditions. Salt tolerance experimental study revealed that AOS C14-16 did not produce precipitates at 92oC. Further, the foam stability of surfactant blend was performed. Result shows that, the maximum life time of generated foam was observed by using blend of 0.2wt% SDS+0.2wt% AOS+0.2wt% AS-1246 and 0.2wt% AOS+0.2wt% IOSC15-18+0.2wt% AAS surfactants as compared to the foam generated by individual surfactants. The success of generated foam by these surfactant solutions in the presence of brine water is the primary screening of surfactant stability and foamability for EOR applications in reservoirs type of reservoirs.
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- 2020
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5. Acute back pain: A survey of primary health care physicians′ awareness and knowledge of 'red flag' signs
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Khalid A Alsaleh, Abdullah S Alluhaidan, Yazeed K Alsaran, Hesham S Alrefayi, Nizar A Algarni, Habib U Chaudhry, and Zahid Shakoor
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Low back pain ,primary care ,red flags ,Medicine - Abstract
Background: The failure to detect "red flag" signs in patients presenting with acute low back pain can adversely affect the outcome of management. This can seriously affect the quality of life and productivity of the patient. Objective: The present questionnaire-based study was performed to assess the knowledge and awareness of red flag signs among primary health care physicians managing patients with acute back pain in Riyadh, Saudi Arabia. Materials and Methods: The study sample size was comprised of 80 subjects. The level of knowledge was assessed by means of a new structured self-administered questionnaire. The design of this questionnaire was based on the Agency for Health Care Research and Policy (AHCRP) guidelines for detection of red flag signs. Physicians were asked about red flag signs that indicate the presence of tumor, infection, spinal fracture, or cauda equina syndrome. Results: Sixty-eight (85% of total) physicians were aware of red flag signs. Of the 68 physicians who were aware of the red flag signs, 58 (72%) were aware of neurological deficit, 36 (45% of total) were aware of extremes of age (50 years), and 33 (41% of total) were aware of and routinely inquired about the history of spinal trauma, whereas only 24 (30% of total) were aware of and inquired about constitutional symptoms in their patients with acute back pain. Conclusion: Although low back pain is extremely common, knowledge and awareness of red flag signs of primary health care physicians managing patients with acute back pain in Riyadh appear to be inadequate. This indicates a lack of adherence to the international guidelines. Specific educational programs should target these deficiencies and increase awareness.
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- 2016
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6. Genomic Prediction of Testcross Performance in Canola (Brassica napus).
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Habib U Jan, Amine Abbadi, Sophie Lücke, Richard A Nichols, and Rod J Snowdon
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Medicine ,Science - Abstract
Genomic selection (GS) is a modern breeding approach where genome-wide single-nucleotide polymorphism (SNP) marker profiles are simultaneously used to estimate performance of untested genotypes. In this study, the potential of genomic selection methods to predict testcross performance for hybrid canola breeding was applied for various agronomic traits based on genome-wide marker profiles. A total of 475 genetically diverse spring-type canola pollinator lines were genotyped at 24,403 single-copy, genome-wide SNP loci. In parallel, the 950 F1 testcross combinations between the pollinators and two representative testers were evaluated for a number of important agronomic traits including seedling emergence, days to flowering, lodging, oil yield and seed yield along with essential seed quality characters including seed oil content and seed glucosinolate content. A ridge-regression best linear unbiased prediction (RR-BLUP) model was applied in combination with 500 cross-validations for each trait to predict testcross performance, both across the whole population as well as within individual subpopulations or clusters, based solely on SNP profiles. Subpopulations were determined using multidimensional scaling and K-means clustering. Genomic prediction accuracy across the whole population was highest for seed oil content (0.81) followed by oil yield (0.75) and lowest for seedling emergence (0.29). For seed yieId, seed glucosinolate, lodging resistance and days to onset of flowering (DTF), prediction accuracies were 0.45, 0.61, 0.39 and 0.56, respectively. Prediction accuracies could be increased for some traits by treating subpopulations separately; a strategy which only led to moderate improvements for some traits with low heritability, like seedling emergence. No useful or consistent increase in accuracy was obtained by inclusion of a population substructure covariate in the model. Testcross performance prediction using genome-wide SNP markers shows considerable potential for pre-selection of promising hybrid combinations prior to resource-intensive field testing over multiple locations and years.
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- 2016
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7. Birt-Hogg-Dubé Syndrome: Report of a New Mutation
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Habib U Rehman
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Diseases of the respiratory system ,RC705-779 - Abstract
Birt-Hogg-Dubé syndrome is an autosomal dominant genodermatosis caused by germline mutations in the folliculin gene and characterized by facial papules, pulmonary cysts, kidney tumours and recurrent pneumothoraces. Several distinct mutations in the folliculin gene resulting in a truncated protein have been described. The present report describes a new mutation, which has not been reported in individuals with Birt-Hogg-Dubé syndrome but is of a type predicted to cause disease.
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- 2012
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8. Integrative analysis of GWAS and transcriptome to reveal novel loci regulation flowering time in semi-winter rapeseed
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Huang, Luyao, Min, Yao, Schiessl, Sarah, Xiong, Xinghua, Jan, Habib U., He, Xin, Qian, Wei, Guan, Chunyun, Snowdon, Rod J., Hua, Wei, Guan, Mei, and Qian, Lunwen
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- 2021
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9. Thermal stability and compatibility of surfactants in presence of formation water salinity under reservoir conditions
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Memon, Muhammad Khan, Ansari, Ubedullah, and Memon, Habib U Zaman
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- 2020
10. Laboratory analysis of foam generating surfactants and their thermal stability for enhanced oil recovery application
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Memon, Muhammad Khan, Ansari, Ubedullah, and Memon, Habib U Zaman
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- 2020
11. Regional association analysis coupled with transcriptome analyses reveal candidate genes affecting seed oil accumulation in Brassica napus
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Yao, Min, Guan, Mei, Yang, Qian, Huang, Luyao, Xiong, Xinghua, Jan, Habib U., Voss-Fels, Kai P., Werner, Christian R., He, Xin, Qian, Wei, Snowdon, Rod J., Guan, Chunyun, Hua, Wei, and Qian, Lunwen
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- 2021
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12. Diurnal changes in bacterial communities in oxic surface and hypoxic middle seawater layers of the Changjiang River Estuary
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Huang, Yan, Yuan, Lei, Fan, Yingping, Jakhrani, Habib U. Rehman, and Wang, Jianxin
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- 2021
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13. Assessment of Real Time, Multi-Satellite Precipitation Products under Diverse Climatic and Topographic Conditions
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Masood, Muhammad, Shakir, Abdul Sattar, Azhar, Aftab Hussain, Nabi, Guhlam, and Habib-u-Rehman
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- 2020
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14. Genome-wide haplotype analysis improves trait predictions in Brassica napus hybrids
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Jan, Habib U., Guan, Mei, Yao, Min, Liu, Wei, Wei, Dayong, Abbadi, Amine, Zheng, Ming, He, Xin, Chen, Hao, Guan, Chunyun, Nichols, Richard A., Snowdon, Rod J., Hua, Wei, and Qian, Lunwen
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- 2019
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15. Effects of dietary chromium supplementation on muscle and bone mineral interaction in broiler chicken
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Saeed, Abdullah A., Sandhu, Mansur A., Khilji, Muhammad S., Yousaf, Muhammad S., Rehman, Habib U., Tanvir, Zafar I., and Ahmad, Tanveer
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- 2017
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16. Deletion of a Stay-Green Gene Associates with Adaptive Selection in Brassica napus
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Qian, Lunwen, Voss-Fels, Kai, Cui, Yixin, Jan, Habib U., Samans, Birgit, Obermeier, Christian, Qian, Wei, and Snowdon, Rod J.
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- 2016
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17. 5G Networks Security Mitigation Model: An ANN-ISM Hybrid Approach
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Rafiq Ahmad Khan, Habib Ullah Khan, Hathal Salamah Alwageed, Hussein Al Hashimi, and Ismail Keshta
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5G networks ,security threats and practices ,systematic literature review ,survey and case study ,artificial neural networks (ANN) ,interpretive structure modeling (ISM) ,Telecommunication ,TK5101-6720 ,Transportation and communications ,HE1-9990 - Abstract
The advent of Fifth-Generation (5G) networks has introduced significant security challenges due to increased complexity and diverse use cases. Conventional threat models may fall short of addressing these emerging threats effectively. This paper presents a new security mitigation model using artificial neural network (ANN) with interpretive structure modeling (ISM) to improve the 5G network security system. The main goal of this study is to develop a 5G network security mitigation model (5GN-SMM) that leverages the predictive capabilities of ANN and the analysis of ISM to identify and mitigate security threats by providing practices in 5G networks. This model aims to improve the accuracy and effectiveness of security measures by integrating advanced computational practices with systematic modeling. Initially, a systematic evaluation of existing 5G network security threats was conducted to identify gaps and incorporate best practices into the proposed model. In the second phase, an empirical survey was conducted to identify and validate the systematic literature review (SLR) findings. In the third phase, we employed a hybrid approach integrating ANN for real-time threat detection and risk assessment and utilizing ISM to analyze the relationships between security threats and vulnerabilities, creating a structured framework for understanding their interdependencies. A case study was conducted in the last stage to test and evaluate 5GN-SMM. The given article illustrates that the proposed hybrid model of ANN-ISM shows a better understanding and management of the security threats than the conventional techniques. The component of the ANN then comes up with the potential of the security breach with improved accuracy, and the ISM framework helps in understanding the relationship and the priorities of the threats. We identified 15 security threats and 144 practices in 5G networks through SLR and empirical surveys. The identified security threats were then analyzed and categorized into 15 process areas and five levels of 5GN-SMM. The proposed model includes state-of-the-art machine learning with traditional information security paradigms to offer an integrated solution to the emerging complex security issues related to 5G. This approach enhances the capacity to detect threats and contributes to good policy enforcement and other risk-related activities to enhance safer 5G networks.
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- 2025
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18. Functionalization of sawdust biochar using Mg-Fe-LDH and sodium dodecyl sulfonate enhanced its stability and immobilization capacity for Cd and Pb in contaminated water and soil
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Xin Pan, Shaoping Kuang, Xiao Wang, Habib Ullah, Zepeng Rao, Esmat F. Ali, Qumber Abbas, Sang Soo Lee, and Sabry M. Shaheen
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Soil amendment ,Heavy metal ,Hydrotalcite ,Surface modification ,Environmental resistance ,Environmental sciences ,GE1-350 ,Agriculture - Abstract
Abstract The increased contamination of potentially toxic element (PTE) has posed remarkable ecological risks to environment. Application of functionalized biochar for the remediation of PTE contaminated water and soils are of great concern, and effective strategies are urgently needed to enhance the removal capacity of biochar for PTE. As a novel surface modification technology, the effect of layered double hydroxides (LDH) and sodium dodecyl sulfonate (SDS) on the remediation capacity of biochar for PTE polluted soils and water remains unclear. Sawdust biochar (SB) was coated with Mg and Fe to synthesize the Mg-Fe-LDH functionalized biochar (MFB); thereafter, the MFB was mixed with SDS solution to synthesize the organic-Mg-Fe-LDH biochar (MSB). The potential of SB, MFB, and MSB for remediation of Cd and Pb contaminated soil and water was evaluated in terms of adsorption capacity, immobilization efficiency, and stability. Loading of Mg-Fe-LDH into SB, along with SDS treatment created a regular micro-nano hierarchical structure and enhanced the surface roughness, aromaticity, and hydrophobicity of MSB as compared to SB. MSB exhibited a significantly higher maximum adsorption capacity (mg g−1) for water Pb (405.2) and Cd (673.0) than MFB (335.9 for Pb and 209.0 for Cd) and SB (178.2 for Pb and 186.1 for Cd). MSB altered the soluble fraction of Cd/Pb to the residual fraction and thus significantly decreased their mobilization in soil. The higher removal/immobilization efficiency of MSB could be attributed to its alkalinity, and the enhanced synergistic interactions including surface precipitation, ion exchange, complexation, and hydrogen bonding. The resistance to carbon loss by H2O2, thermal recalcitrance index R 50, and degree of graphitization in MSB were significantly improved compared to SB, indicating a more stable carbon fraction sequestered in MSB following aging in soil. These results indicate that MSB could be used for remediation of Cd and Pb contaminated soil and water. Graphical Abstract
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- 2025
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19. Evaluation of the potential power generation resources in SAARC region for sustainable energy trade
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Usman Rafique, Hasan A. Zidan, Fawad Azeem, Sarang Amir, Tareq Manzoor, and Habib Ullah Manzoor
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energy ,power ,renewable Energy ,SAARC ,Trade ,Technology ,Science - Abstract
Abstract This article presents a comprehensive review on the contemporary condition of electrical energy in the SAARC countries with particular focus on conventional as well as renewable resources. The region lies at the center of the Asia with a dense population where demand and supply gap has always been a challenging factor for the governments. In addition, the region has observed enormous industrial growth during past two and half decades whose sustainability is totally dependent upon the continuous supply of energy. A bulk of valuable literature has been published in recent years that addresses the challenges, infrastructure improvements margins and several schemes to mitigate the energy deficiency in the region but most of it focuses upon either generation or transmission. This article covers this gap and presents to‐the‐point data that can be used for future forecasting, cross‐border trade possibilities and indigenous energy generation for remote and islanded regions within and across the SAARC mainland. A detailed review on electrical power generation potential by exploiting the renewable energy resources (RERs), generation capacity, installed capacity, energy short fall and transmission and distribution (T&D) losses is presented for each SAARC country and the results are presented in forms of tables and graphs. It can be inferred from the data presented in this paper that the energy crisis of the SAARC region can be overcome by mutual trade among the land‐connected countries by transporting the electrical energy, generated through RERs, across the borders. The paper concludes that the region has enormous potential for renewable energy available in form of hydal, solar, wind and biomass that, if maturely harnessed, can only not fulfil the local demands of the region but also be exported to establish the framework of cross‐border energy trade in future for sustainability of industrial and domestic utilization.
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- 2024
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20. GENETIC ANALYSIS AND MORPHOLOGICAL PROFILING OF RANUNCULUS GENOTYPES
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BARAN, W, primary, KHAN, MA, additional, HABIB, U, additional, and RANA, RM, additional
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- 2023
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21. Analysis of Mechanical Properties of Coir/Portland Pozzolana Reinforced Polymer Matrix Composites
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Ankit Asthana, Nitesh Singh, Habib U. Balti, Sandeep Kashyap, and Abu Talha
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Fibre Coir, matrix, reinforcement, Portland pozzolana, epoxy, flexural strength, impact strength - Abstract
The current analysis deals with the fabrication of the composite sheets with the epoxy reinforced with natural fiber, Coir and the Portland pozzolana. In today’s time composite material plays a very important role in engineering application. we can replace the wood with the composite, even the composite is a recyclable. Fields like the aerospace and automobiles sectors always need the lighter weight material with good strength. Many of the parts are complex which can be made by the forming process. A matrix is prepared by using epoxy resin and when it comes to the reinforcement material it could be the natural or artificial fibers. In this we have used the coir (coconut husk) and Portland pozzolana particles. To make the composite traditional hand lay-up process method was used. After that mechanical performance was analyzed by testing the flexural strength and impact strength of samples. Polymer matrix composite is light weight with the good strength and have various mechanical abilities. It is found that coir/epoxy composite sample plates have the higher flexural strength and impact strength, and Portland pozzolana have the highest flexural modulus which proved that abovesaid composites are great alternatives to wood and plastics and over other metals.
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- 2023
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22. Saturn Systems.
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Habib U. Rehman, Nida A. McKee, and Michael L. Mckee
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- 2016
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23. Structure and Energetics of Polyhedral Oligomeric Silsesquioxane (T8,T10,T12-POSS) Cages with Atomic and Ionic Lithium Species
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Rehman, Habib U., Gwaltney, Steven R., Leszczynski, Jerzy, editor, and Shukla, Manoj K., editor
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- 2014
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24. Tectonic evolution of the Paleozoic rocks in southeast Australia using geophysical, geochronological, geochemical and Hf isotope systematics
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Habib, U
- Abstract
The Paleozoic geology of the southeast Australia preserves a history of tectonic activities which involves the growth of Cambrian-Triassic orogenic belts, generally known as Tasmanides on the East Gondwana margin. The Tasmanides are divided into five orogenic belts and the evolution of these orogens include igneous activity, long sedimentation cycles and multiple shortening and deformation stages. Lachlan Orogen represents the middle part of these Tasmanides which preserves an interesting record of obduction of ophiolites, deposition of turbidites and multiple rifting and deformation phases. For past few decades, there has been much disagreement over the tectonic evolution of the Lachlan Orogen. This research is an effort to reconstruct the Early-Middle Paleozoic tectonic history of the Lachlan Orogen and western Tasmania in southeast Australia. The goals of this study are to (1). Understand the early Paleozoic tectonic settings in Tasmania and Lachlan Orogen in the context of orogenic phases during middle-late Cambrian, (2). Use the geological record of Tasmania and Lachlan Orogen to test and refine the paleogeographic reconstructions proposed for the deposition of late Cambrian to Early Silurian sedimentary rocks, (3). Test the long-lived Lachlan Orocline rotation hypothesis. These objectives are addressed primarily through (1). Reconstruction of the regional tectonic setting of middle Cambrian igneous rocks in Tasmania and Victoria in the context of geochronology and isotope geochemistry, (2). improving the knowledge of depositional age, stratigraphy, and provenance of late Cambrian to early Silurian strata in Tasmania and Lachlan Orogen, (3). Paleomagnetic testing of the tectonic elements of Lachlan Orocline in context of its rotation during Middle Paleozoic. The Cambrian greenstones in southeast Australia are relics of the proto-Pacific oceanic lithosphere exposed in Victoria and Tasmania. New U-Pb zircon ages and Hf isotope data from three gabbroic rocks and two sedimentary units within these ophiolites indicate that Gabbro rocks from Dookie in Victoria are comparable in age to the McIvor Hill gabbro and Heazlewood River Tonalite from Tasmania. These new results, when combined with previously reported zircon ages, indicate a two-stage development (518-512 Ma and 505-490 Ma) for central Victoria and a single stage evolution (513-509 Ma) for the gabbro and tonalites in Tasmania. The Hf isotopic data indicate Meso-Neoproterozoic continental contamination during Mt Read Volcanics eruption in Tasmania. Zircon Hf vs U/Yb, and U/Yb vs Nb/Nb* ratios suggests that these rocks may have formed during subduction beneath the young and hot oceanic lithosphere. The use of U-Pb detrital zircon data to construct stratigraphic comparisons, tectonic settings, and provenance of late Cambrian to early Silurian sedimentary rocks in Tasmania and Waratah Bay, southern Victoria shows that the Tyennan Region supplied adequate detrital zircons in western and central Tasmania throughout the late Cambrian and early Ordovician time periods. Ordovician sedimentary rocks from Lefroy in the northeast Tasmania have detrital zircon populations derived from distal sources, similar to the rest of the sedimentary rocks in the Lachlan Orogen. The detrital U-Pb signatures in Waratah Bay, south Victoria have mixed Tyennan and Gondwana sources. The transition in detrital zircon sources in west Tasmanian sedimentary rocks suggests that Tasmania docked with mainland Australia during the Cambrian Tyennan Orogeny. Hafnium isotope signatures supports the potential sediment sources for these rock sequences established by the U-Pb detrital data. The hafnium isotope signatures from Waratah Bay in south Victoria shows the supply of detrital sediments from western Tasmania and Macquarie Arc in the Lachlan Orogen verifying the existence of VanDieland during Paleozoic time. Paleomagnetic investigations in the Lachlan Orogen have revealed that components within the Lachlan Orocline have indeed rotated, although the evidence for rotation is limited and subject to substantial statistical uncertainty. Detailed paleomagnetic investigation, assisted by X-ray analysis of the magnetic mineralogy of middle Cambrian to lower Silurian sedimentary and igneous rocks in Victoria and New South Wales indicate four demagnetisation behaviours (type A, B, C, and D). Type A is believed to record original paleomagnetic information (hosted in magnetite), which can be used to test the Lachlan Orocline hypothesis. Samples showing type B and C demagnetisation behaviors retain a stubborn, coercive, thermally stable magnetic paleomagnetic portion that is carried by hematite and represents an overprint and specimens showing type D demagnetisation behavior are influenced by noise. Interpretation of the thermal demagnetisation behaviour is backed by vibrating sample magnetometer data where type A showing a simple hysteresis loop whereas types B and C display very wide hysteresis loops. Detailed SEM mineralogy of the representative samples show the presence of titano-magnetite and hematite as remanence carriers which verifies the presence of an overprint. Two paleopoles of type B and C specimens from the rocks in Tabberabbera Zone and the Rockley Volcanics in Oberon (New South Wales), plot within the confidence limit of poles defining the late Silurian to early Devonian Australian apparent polar wander path. These poles interpreted to be the result of alteration mineralisation produced by fluids driven by tectonic compression during the Bindian (420‚ÄövÑv¨410 Ma) or early Tabberabberan (405‚ÄövÑv¨380 Ma) orogenies.
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- 2023
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25. Interference in photo‐detachment of triatomic negative ion near a hard reflecting surface
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Farooq Khan, Habib U. Rehman, Syed M. Asif, Muhammad Abbas Khan, and Muhammad Aslam Khan
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Physical and Theoretical Chemistry ,Condensed Matter Physics ,Atomic and Molecular Physics, and Optics - Published
- 2022
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26. Interference in photo‐detachment of triatomic negative ion near a hard reflecting surface
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Khan, Farooq, primary, Rehman, Habib U., additional, Asif, Syed M., additional, Khan, Muhammad Abbas, additional, and Khan, Muhammad Aslam, additional
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- 2022
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27. Recurrent Urinary Tract Infections Risk Factors in Patients with Primary Vesicoureteral Reflux
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Zahir Said, Habib U Rehman, Sardar Khan, Sajjad Hussain, Ihsan ul Haq, and Ayaz Ahmed
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medicine.medical_specialty ,business.industry ,Urinary system ,Urology ,medicine ,In patient ,urologic and male genital diseases ,medicine.disease ,business ,Vesicoureteral reflux ,female genital diseases and pregnancy complications - Abstract
Background: Knowing the risk of recurrence of urinary tract infection (UTI) in vesicoureteral reflux (VUR) can assist clinicians to sort therapeutic decisions. The current study's aim was to assess the association of UTI in VUR. Additionally, UTI recurrence might be predicted by the risk score. Materials and Methods: This case-control study was carried out on 123 children at department of Paediatric, Saidu Group of Teaching Hospitals, Swat for the duration of one year from 1st July 2020 to 30thJune 2021. Out of 123 children, the group-I had 57 children with documented previous UTIs history while group-II had 66 children with no previous UTIs and was referred to as a control group. All the patients were VUR diagnosed and were thoroughly followed up at a Renal Unit of single tertiary. UTI recurrence was referred to more than one follow-up episode. A regression model was used for independent variables identification regarding UTI recurrence. . A questionnaire on bowel habits was provided to the parents. The abdominal plain film was evaluated by the observer and recorded on the documented scoring system. The constipation history was compared with the radiological and symptomatic scores. Organism single species with > 105/ml count in a single midstream catch of urine sample was reflected as UTI evidence. Result: Out of 123 children, 88 (71.5%) were females while 35 (28.5%) were male. A total of 123 children had been investigated for UTI complaints. After the multivariable analysis adjustment, five recurrent UTIs predictor variables were the clinical presentation of UTI, female gender, reflux several grades, age less than 6 months, and syndrome dysfunction elimination. The UTIs recurrence risk factors were classified as high, medium, and low with prevalence 52 (42%), 41 (34%), and 30 (24%) respectively. The prevalence of UTIs rate per person-month was 10.9 (95% CI, 9.8, 12.7), 8.2 (95% CI, 6.7, 9.1) for medium, and 5.2 (95% CI, 3.3, 5.5) for the low-risk group. Conclusion: The formulation of therapeutic strategies can be done based on prediction model for UTIs recurrence besides early detection of morbidity long-term risk for the patients. Keywords: Vesicoureteral reflux, Urinary tract infection, Dysfunctional voiding, Constipation
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- 2021
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28. Provenance of lower Paleozoic sedimentary rocks in Tasmania and Waratah Bay, southern Victoria: constraints from detrital zircon hafnium isotopes and trace-element geochemistry
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Habib, U., primary, Meffre, S., additional, Berry, R., additional, and Belousova, E., additional
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- 2022
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29. Building integrated assessment model for IoT technology deployment in the Industry 4.0
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Yasir Ali, Habib Ullah Khan, Faheem Khan, and Yeon-kug Moon
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Internet-of-Things ,IoT platform ,Industrial IoT (IIoT) ,AHP ,TOPSIS ,Delphi ,Computer engineering. Computer hardware ,TK7885-7895 ,Electronic computers. Computer science ,QA75.5-76.95 - Abstract
Abstract Internet of Things (IoT) platforms have become the building blocks of any automated system but they are more important in case of industrial systems where sensitive data are captured and handled by the information system. Therefore, it is imperative to deploy the right IoT platform to perform the computational and operational tasks in a better way. During the last few years, an array of IoT technologies/platforms with different capabilities and features were introduced in the markets. This abrupt rise created selection and decision-making issues particularly for the network engineers, designers, and industrial managers due to a lack of technical understanding and skill in this area. Therefore, we present an integrated assessment model focusing on evaluating and ranking IoT platforms in the industrial environment. It encompasses multiple methods such as the proposed model leverages a well-known data collection technique such as Delphi for data collection related to the criteria features. It adopts the Analytic Hierarchy Process (AHP) for giving weights to the criteria features. The technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) method has been applied for the evaluation of the top twenty (20) Industrial IoT(IIoT) platform alternatives according to the proposed criteria. It selects the most rational choice of IoT platform that can be employed in the Industry 4.0 setting. The proposed integrated assessment model produces the most accurate and consistent outcomes. Hence, it is believed that it can be used as a guideline by different stakeholders like researchers, developers, network engineers, and policymakers for the assessment and deployment of IoT platforms in the industrial environment. It is believed that it is the first kind of multi-methods integrated assessment mode for the assessment, decision-making, and prioritization of IoT technologies in the industry 4.0 domain.
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- 2024
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30. New semiconducting K2MgSiH6 (H = Cl & Br) halides have been investigated via DFT approach; their mechanical, optical, and structural properties were studied in detail
- Author
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Javed Iqbal, Habib Ullah, Mohammad Khishe, Seyed Majid Hasani Azhdari, Raiz Ullah, and Zaffar Iqbal
- Subjects
Halides ,Bandgap ,Absorption ,Conductivity ,Medicine ,Science - Abstract
Abstract Researchers are now avoiding perovskite materials containing lead due to their toxicity and instability in open air and heat. In this study, our research group worked on potassium-based K2MgSiCl6 & K2MgSiBr6 perovskite compounds and thoroughly investigated these materials’ basic behaviours. Goldschmidt and formation energy results certify the structure and thermodynamic stabilities of the studied compounds. The band gaps noted for the K2MgSiCl6 & K2MgSiBr6 perovskites were 2.42 eV & 1.88 eV, respectively. After the mechanical observations of the investigated compounds, it became apparent that both the studied compounds own brittle and anisotropic nature. Based on the tendency to absorb electromagnetic radiations both in the ultra-violet and visible range, it enables the K2MgSiCl6 & K2MgSiBr6 perovskites suitable for detectors, solar cells, and many other optoelectronic devices. The K2MgSiBr6 material showed the first response to the electromagnetic radiations in the visible range and acquired the optical conductivity value of 1219 (Ω.cm)-1; however, K2MgSiCl6 material showed its response to a bit higher energetic photons in the visible range than K2MgSiBr6 material, but its optical conductivity was higher (i.e., 1270 (Ω.cm)-1) than the K2MgSiBr6 material in the visible range.
- Published
- 2024
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31. Thrombophilia testing in venous thromboembolism
- Author
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Rehman, Habib U.
- Published
- 2018
- Full Text
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32. The intersection of finTech adoption, HR competency potential, service innovation, and firm growth in the banking sectors using Entropy and TOPSIS.
- Author
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Habib Ullah Khan, Muhammad Abbas, Shah Nazir, Faheem Khan, and Yeon-Kug Moon
- Subjects
Medicine ,Science - Abstract
The adoption of Financial Technology (FinTech), along with the enhancement of Human Resource (HR) competencies, service innovation, and firm growth, plays a crucial role in the development of the banking sector. Despite their importance, obtaining reliable results is often challenging due to the complex, high-dimensional correlations among various features that affect the industry. To address this issue, this research introduces a hybrid Multi-Criteria Decision-Making (MCDM) model that integrates the Entropy-Weighted Method (EWM) and the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS). The primary objective of this study is to systematically evaluate and rank multiple alternatives based on key criteria using the EWM-TOPSIS approaches. Specifically, the analysis considers eleven multifaceted characteristics and eight potential alternatives (A1 to A8), revealing the significant influence of the proposed MCDM approaches in assessing FinTech adoption, HR competency, service innovation, and firm growth. The findings underscore the effectiveness of the entropy-TOPSIS approaches in providing a structured analysis for a smarter and well-informed decision-making. Ultimately, this research proposes the best alternative from the evaluated options, contributing valuable insights into the future role of FinTech, HR competencies, service innovation, and firm growth within the banking sector.
- Published
- 2025
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33. Offsite modular construction adoption in developing countries: Partial least square approach for sustainable future
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Syed Saad, Kumeel Rasheed, Syed Ammad, Muhammad Hasnain, Habib Ullah, Abdul Hannan Qureshi, Aawag Mohsen Alawag, Muhammad Altaf, and Touseef Sadiq
- Subjects
Prefabricated ,Offsite ,Modular ,Industrialised building system (IBS) ,Partial least square (PLS) ,Structural equation model (SEM) ,Engineering (General). Civil engineering (General) ,TA1-2040 - Abstract
The construction industry is significant in the economic growth of developing countries and is recognized globally for its high potential in sustainable development. Offsite Modular Construction (OMC) has the potential to revolutionize this sector. However, the adoption of OMC in developing nations remains limited due to various barriers. This study fills a critical gap by developing a novel framework that integrates the analysis of Offsite Modular Adoption Barriers (OMABs), i.e. resource availability, process management, and issues/perceptions, with the pursuit of overall sustainable future needs (OSFN) in residential projects. For this study, 314 construction specialists in Malaysia, a developing country with high construction activity, were surveyed. The study further employs PLS-SEM for latent variable relationship identification between OMABs and OSFN, which has not been researched comprehensively in the literature. The study reveals that there is a moderate positive correlation between OMABs and 33.6 % of the sustainable outcomes in residential projects. The path coefficient (β = 0.316) also provides evidence of the importance of eliminating these barriers in improving sustainability goals. This research is innovative in its approach as it seeks to address both the issues of OMC and sustainability in the developing nations. It is highly beneficial for policymakers as it provides a clear guideline on how to improve the OMC usage and promote sustainable construction. The SEM model can be used as a reference for other developing economies that are interested in the modernization of the construction industry for sustainable development.
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- 2025
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- View/download PDF
34. Optimizing battery discharge management of PMSM vehicles using adaptive nonlinear predictive control and a Generalized Integrator
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Moustafa Magdi Ismail, Mujahed Al-Dhaifallah, Hegazy Rezk, Habib Ur Rahman Habib, and Samir A. Hamad
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Engineering (General). Civil engineering (General) ,TA1-2040 - Abstract
Electric vehicles (EVs) are key to a sustainable future, but extending battery life is essential to reduce costs and environmental impact. Thus, this paper presents the development of an Adaptive Nonlinear Predictive Model (ANLPM), integrated with a Third Order Generalized Integrator (TOGI) flux observer, which enhances induced torque estimation and stator reactance in Permanent Magnet Synchronous Motor (PMSM) systems. The model employs a Sequential Quadratic Programming (SQP) algorithm, ensuring numerical stability and efficiency within the Model Predictive Control (MPC) framework to handle nonlinear constraints effectively. Moreover, simulation results demonstrate that the ANLPM significantly outperforms classical Adaptive Linear Predictive Models (ALPM), Seven-Dimensional LPM (SDLPM), and Proportional-Integral (PI) control strategies. It achieves marked reductions in battery discharge current and energy consumption rates. Therefore, simulation comparisons, across different scenarios, show that ANLPM reduces battery discharge current by 3% over ALPM and 44.7% over PI, while cutting energy consumption by 12.2% and 28.2%, and decreasing parallel battery cells by 14.2% and 28%, respectively. Under high temperatures, ANLPM cuts battery consumption by 45.3% and reduces cells by 43.7% compared to SDLPM, highlighting its efficiency in managing energy and extending battery life in EVs.
- Published
- 2024
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35. Functionalized MXene fiber electrode for the electrochemical sensing of urinary ammonia
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Yu Liu, Xu Zeng, Yulong Wu, Habib Ullah Khan, Fei Xiao, Bao Yu Xia, and Yimin Sun
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MXene fiber ,Carbon nanotubes ,Urinary ammonia detection ,Electrochemical sensing ,Renewable energy sources ,TJ807-830 ,Chemical technology ,TP1-1185 ,Production of electric energy or power. Powerplants. Central stations ,TK1001-1841 - Abstract
The development of technologically advanced fiber-based flexible microelectrodes has been of extensive research interest in healthcare systems because of their unique construction and synergistic effect on multifunctional properties. In this work, we constructed functional MXene fiber (MXF) by a simple and versatile wet spinning method, and then, a well-aligned ZIF-67 nanoarray was grown in situ on the surface. Using the chemical vapor deposition (CVD) method, carbon nanotubes (CNTs) were produced on MXF via the pyrolysis of ZIF-67 and melamine. Finally, Pt nanoparticles were electrodeposited on the CNTs forest, and a Pt@CNTs/MXF electrode was obtained. Owing to the plethora of surface active sites and the synergistic effects between MXene, CNTs, and Pt nanoparticles, the as-fabricated fiber electrode enabled the precise detection of ammonia under alkaline conditions via differential pulse voltammetry (DPV), which exhibited a linear range of 0.1 μM–10 mM and a detection limit of 73.2 nM. Due to their good performance in ammonia detection, Pt@CNTs/MXF electrodes could be adopted to determine the ammonia concentration in urine for clinical estimation, which provides a practical approach for the diagnosis of urinary ammonia-associated diseases.
- Published
- 2024
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36. Identification and characterization of cysteine-rich polycomb-like protein (CPP) gene family in rice (Oryza sativa L.) in response to phytohormones and Xanthomonas oryzae pv. oryzae stress
- Author
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Sadia Gull, Muhammad Arfan, Saleem Uddin, Muhammad Qasim, Saba Babar, Nimra Rajput, Habib Ullah, Qurat ul Ain, Badr Alharthi, Shabir Ahmad, and Rashid Iqbal
- Subjects
Rice ,cysteine-rich polycomb-like protein (CPP) ,Phytohormones ,Xanthomonas oryzae pv. oryzae (Xoo) ,Plant ecology ,QK900-989 - Abstract
Cysteine-rich polycomb-like proteins (CPPs) are found in both monocotyledonous and dicotyledonous plants. These CPPs are part of nine various families of proteolytic enzymes, and they play a crucial role in various physiological, especially defence mechanisms. Nevertheless, there is a lack of findings regarding the function of CPPs in disease resistance in rice (Oryza sativa). We recently discovered eleven CPPs in the rice genome. They can be divided into three clades: I, II, and III along with CPPs from other plants like Arabidopsis thaliana (eight members), Cucumis sativus (five members), and Glycine max (thirteen members) based on their phylogenetic relationships. It is interesting to observe how segmental duplication (SD) has assisted the emergence of the OsCPP genes in rice, whereas no evidence of tandem duplication (TD) has been detected. Synteny analyses revealed three pairs of orthologous CPP genes amongst O. sativa and A. thaliana, as well as three pairs between O. sativa and C. sativus. These OsCPPs possess ten conserved amino acid motifs and several exons and introns, as determined by their gene structures. Additionally, they possess distinctive domains such as TCR and TCR superfamily domains. Cis-regulatory elements identified in the OsCPP promoter sequences were shown to be sensitive to auxin, abscisic acid, gibberellins, salicylic acid, methyl jasmonate, and light. Furthermore, stress-responsive elements and tissue-specific expression elements were identified. A large number of OsCPP genes are expressed in different kinds of tissues and organs. Several of these genes are induced by abscisic acid and jasmonic acid. Moreover, specific OsCPP genes are stimulated by Xanthomonas oryzae pv. oryzae (Xoo), the pathogen responsible for bacterial leaf blight in rice. In particular, the pathogen causes a notable overexpression of OsCPP9, suggesting its potential involvement in the plant's defense system. These results highlight the possible contributions of OsCPP genes to rice resistance against Xoo disease.
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- 2024
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37. Identifying the AI-based solutions proposed for restricting Money Laundering in Financial Sectors: Systematic Mapping
- Author
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Habib Ullah Khan, Muhammad Zain Malik, and Shah Nazir
- Subjects
Electronic computers. Computer science ,QA75.5-76.95 ,Cybernetics ,Q300-390 - Abstract
Money laundering (ML) is a critical source of extracting the money illegally from the financial system. It is linked to various types of crimes, including corruption, exploitation of a specific community, drug use, and many others. Detection of ML operations is a difficult task on a global scale due to the large volume of financial transactions. However, it also allows criminals to use financial systems to carry out fraudulent transactions. It mainly concern minimizing the potentially risks associated with money laundering. Anti-money laundering-(AML) tools based on AI-driven applications are now tracking transactions to overcome this challenge. A total of 112 research papers are assessed to identify the literature’s gaps and suggest new directions for the research area accordingly. The findings of this systemic literature review work will not only open new paths for the research community, but will also assist the state agencies in developing an optimal AML system to counter these major issues and provide a healthy environment for their residents. This article seeks to assess the existing situation from various angles and open up new pathways for future research directions to investigate and build high levels of authenticity and security in the financial industry using artificial intelligence (AI).
- Published
- 2024
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- View/download PDF
38. A similarity-based multi-objective test optimization technique using search algorithm
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Amir Sohail Habib, Saif Ur Rehman Khan, Shahid Hussain, Naseem Ibrahim, Habib un Nisa, and Abdullah Yousafzai
- Subjects
Regression testing ,test suite reduction ,Multi-objective optimization ,Meta-heuristic search algorithms ,Grey Wolf Optimizer ,Information technology ,T58.5-58.64 ,Electronic computers. Computer science ,QA75.5-76.95 - Abstract
Context:: Software undergoes a constant evolution driven by ongoing changes in customer requirements, which enhances the competitive advantage. Regression testing plays a pivotal role by ensuring that modifications have not introduced detrimental effects on the system under test. Problem:: However, regression testing becomes prohibitively expensive as the software grows in complexity and the size of the test suite also expands. Moreover, keeping the test cases up-to-date and managing the relevant test data can become a laborious and challenging task. Hence, it is required to optimize the test suite by finding a diverse subset of test cases having high code coverage, fault-detection rate, and minimal execution time. Objective:: To solve the regression test optimization problem, the researchers have proposed various approaches including greedy algorithms, search-based algorithms, and clustering algorithms. However, existing approaches lack in finding the global optimal solution and are mostly focused on the single-objective test optimization problem. Inspired by this, we propose a Similarity-based Multi-Objective Optimization Technique (SMOOT) for test suite reduction using a Grey Wolf Optimizer (GWO) algorithm. The proposed technique employs different similarity metrics, including Cosine Similarity, Euclidean Distance, Jaccard Similarity, Manhattan Distance, and Minkowski Distance, to evaluate the similarity score of the tests. This ensures a comprehensive assessment of test diversity to achieve high code coverage and fault-detection rate while minimizing the test execution cost. Method:: We evaluated the performance of GWO with state-of-the-art search-based algorithms using three varying types of case studies. Similarly, to evaluate the similarity score of the considered search algorithms, we employed state-of-the-art similarity measures. Results:: The experimental results revealed that GWO significantly outperformed the considered search algorithms by attaining high code coverage and fault-detection rate while minimizing the test execution time. Moreover, we found that GWO attained a higher similarity score than the other considered search algorithms using the employed similarity measures. Conclusion:: Based on the attained results, we believe that the proposed technique could be useful for the researchers and practitioners by effectively handling multi-objective regression test optimization problem.
- Published
- 2024
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39. Laboratory Analysis of Foam Generating Surfactants and Their Thermal Stability for Enhanced Oil Recovery Application
- Author
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Ubedullah Ansari, Habib U. Zaman Memon, and Muhammad Khan Memon
- Subjects
Materials science ,lcsh:T ,02 engineering and technology ,010502 geochemistry & geophysics ,01 natural sciences ,lcsh:Technology ,020401 chemical engineering ,Chemical engineering ,lcsh:TA1-2040 ,Thermal stability ,lipids (amino acids, peptides, and proteins) ,lcsh:Q ,Enhanced oil recovery ,0204 chemical engineering ,General Agricultural and Biological Sciences ,lcsh:Engineering (General). Civil engineering (General) ,lcsh:Science ,0105 earth and related environmental sciences - Abstract
The residual oil after primary or secondary oil recovery can be recovered by the methods of EOR (Enhanced Oil Recovery). The objective of this study is screening the surfactants that generate maximum stable foam in the presence of brine salinity at 92oC. Laboratory experiments have been performed to examine and compare the stability of generated foam by individual and blended surfactants in the synthetic brine water. AOS C14-16 (Alpha Olefin Sulfonate) and SDS (Sodium Dodecyl Sulfonate) were selected as main surfactants. Aqueous stability test of AOS C14-16 and SDS with brine water salinity 62070ppm was performed at 92oC. AAS (Alcohol Alkoxy Sulfate) was blended with SDS and AOS C14-16. The solution was stable in the presence of brine salinity at same conditions. Salt tolerance experimental study revealed that AOS C14-16 did not produce precipitates at 92oC. Further, the foam stability of surfactant blend was performed. Result shows that, the maximum life time of generated foam was observed by using blend of 0.2wt% SDS+0.2wt% AOS+0.2wt% AS-1246 and 0.2wt% AOS+0.2wt% IOSC15-18+0.2wt% AAS surfactants as compared to the foam generated by individual surfactants. The success of generated foam by these surfactant solutions in the presence of brine water is the primary screening of surfactant stability and foamability for EOR applications in reservoirs type of reservoirs.
- Published
- 2020
40. What have we learned about renal protection from the cardiovascular outcome trials and observational analyses with SGLT2 inhibitors?
- Author
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David Z.I. Cherney, Habib U. Rahman, and Vikas S. Sridhar
- Subjects
medicine.medical_specialty ,Endocrinology, Diabetes and Metabolism ,030209 endocrinology & metabolism ,Type 2 diabetes ,030204 cardiovascular system & hematology ,Kidney ,Cardiovascular System ,Diabetic nephropathy ,03 medical and health sciences ,chemistry.chemical_compound ,0302 clinical medicine ,Endocrinology ,Internal Medicine ,medicine ,Humans ,Canagliflozin ,Intensive care medicine ,Sodium-Glucose Transporter 2 Inhibitors ,Creatinine ,business.industry ,medicine.disease ,Clinical trial ,Diabetes Mellitus, Type 2 ,chemistry ,Albuminuria ,Observational study ,medicine.symptom ,business ,medicine.drug ,Kidney disease - Abstract
Over the past 5 years, sodium-glucose cotransport 2 (SGLT2) inhibitors have been increasingly regarded as glycaemic agents with cardiovascular (CV) and renal protective effects. The CV benefits of SGLT2 inhibitors have been well established in patients with type 2 diabetes (T2D) and a range of CV comorbidities at baseline. Subsequently, the renal benefits of SGLT2 inhibitors were established in the CREDENCE trial, a dedicated renal outcome trial where canagliflozin reduced the primary composite renal outcome by 30%. In light of these trials, clinical practice guidelines have rapidly evolved, recommending the use of SGLT2 inhibitors as renal and cardioprotective agents in appropriate patient populations. Accordingly, it is important to have an in-depth understanding of the evidence underlying the use of SGLT2 inhibitors in patients with T2D based on published clinical trials and real-world evidence (RWE) studies, as well as information related to potential safety concerns. To accomplish this, we reviewed the evidence for renal protection and safety with SGLT2 inhibitors in the EMPA-REG OUTCOME, CANVAS Program and DECLARE-TIMI 58 CV safety trials, and in the growing body of evidence emerging from real-world studies. This body of work has shown that SGLT2 inhibitors reduce the risk of surrogate renal endpoints such as albuminuria and mitigate the risk of hard renal endpoints including doubling of serum creatinine and end-stage kidney disease in patients with T2D.
- Published
- 2020
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41. Antiobiotic Prophylaxis Is Different in Guidelines
- Author
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Rehman, Habib U.
- Published
- 2008
42. Transcription of rRNA in early mouse embryos promotes chromatin reorganization and expression of major satellite repeats
- Author
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Chebrout, Martine, primary, Koné, Maïmouna Coura, additional, Jan, Habib U., additional, Cournut, Marie, additional, Letheule, Martine, additional, Fleurot, Renaud, additional, Aguirre-Lavin, Tiphaine, additional, Peynot, Nathalie, additional, Jouneau, Alice, additional, Beaujean, Nathalie, additional, and Bonnet-Garnier, Amélie, additional
- Published
- 2022
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43. Finite Element Approach for Rheological Behavior in Colloidal Electrolytes in Lithium-Ion Battery Performance
- Author
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Ahsan Raza, Tareq Manzoor, Shaukat Iqbal, Tauseef Anwar, Adeel Ashraf, and Habib Ullah Manzoor
- Subjects
Chemistry ,QD1-999 - Published
- 2024
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- View/download PDF
44. Leveraging InGaN solar cells for visible light communication reception
- Author
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Habib Ullah Manzoor, Sanaullah Manzoor, Muhammad Ali Jamshed, and Tareq Manzoor
- Subjects
free‐space optical communication ,optical communication ,passive optical networks ,Telecommunication ,TK5101-6720 - Abstract
Abstract Solar cells are increasingly being utilised for both energy harvesting and reception in free‐space optical (FSO) communication networks. The authors focus on the implementation of a mid‐band p‐In0.01Ga0.99 N/p‐In0.5Ga0.5 N/n‐In0.5Ga0.5 N (PPN) solar cell, boasting an impressive 26.36% conversion efficiency (under 1.5AM conditions) as a receiver within an indoor FSO communication network. Employing a solar cell with dimensions of 1 mm in length and width, the FSO system underwent simulation using Optisystm software, while the solar cell's behaviour was simulated using SCAPS‐1D. The received power from the solar cell was then compared to that of four commercially available avalanche photodiode (APD) receivers. Exploring incident wavelengths spanning 400–700 nm within the visible spectrum, across transmission distances of 5, 10, 15, and 20 m, the study presented current‐voltage (IV) and power‐voltage curves. Notably, the InGaN solar cell exhibited superior electrical power output compared to all commercial APDs. In conclusion, the findings underscore that augmenting received power has the potential to enhance FSO network quality and support extended transmission distances.
- Published
- 2024
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- View/download PDF
45. Interference in photo‐detachment of triatomic negative ion near a hard reflecting surface.
- Author
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Khan, Farooq, Rehman, Habib U., Asif, Syed M., Khan, Muhammad Abbas, and Khan, Muhammad Aslam
- Subjects
ANIONS ,ELECTRON affinity ,PHENOMENOLOGICAL theory (Physics) ,COHERENT radiation ,RADIATION sources - Abstract
The physical phenomena in which an extra electron is removed from a negative ion is called photo‐detachment. Photo‐detachment is important phenomena, used to find the structure of anions, particularly to find the electron affinities. In this paper, we present theoretically the induced effects in the photo‐detached of triatomic anion H3− near hard reflecting wall or surface. For the photo‐detachment process, a z‐polarized coherent source of radiations (laser) is used to kick electrons from H3− anion in the domain of a hard reflecting surface. Imaging method is adopted to derive the generalized detached electron wave, differential cross‐section and the total photo detachment cross‐section analytically. Numerical solutions (simulations) for total electron flux and the total cross‐section is presented. The electron flux, shows visible oscillations and hence the induced effect of surface in the interference. It is depicted that the reflecting hard wall strongly affects the flux and total photo‐detachment cross‐section. The analytical results are extended for triiodide I3− anion numerically, which also show interference. The total photo detachment cross‐section for I3− is calculated numerically and compared with cross‐section of H3−. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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- View/download PDF
46. Provenance of lower Paleozoic sedimentary rocks in Tasmania and Waratah Bay, southern Victoria: constraints from detrital zircon hafnium isotopes and trace-element geochemistry.
- Author
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Habib, U., Meffre, S., Berry, R., and Belousova, E.
- Subjects
- *
HAFNIUM isotopes , *SEDIMENTARY rocks , *LASER ablation inductively coupled plasma mass spectrometry , *RARE earth metals , *ISOTOPE geology , *ZIRCON , *OROGENIC belts , *GEOCHEMISTRY ,GONDWANA (Continent) - Abstract
Nine Paleozoic sedimentary formations from western Tasmania and two from the Lachlan Orogen—one in northeast Tasmania and one in Waratah Bay in Victoria—contain detrital zircons that fall into major U–Pb age clusters at 2.0–1.4, 1.25–0.95 and 0.62–0.49 Ga. The zircon Th/U ratios and rare earth element (REE) patterns suggest a magmatic origin for detrital zircons in all these rock sequences. The REE geochemical signatures on bivariate discrimination diagrams indicate that most of the zircons originated in continental orogenic settings. The oldest group of zircons have a southwest Laurentian signature previously recognised from Proterozoic metasedimentary rocks in Tasmania. The 1.25–0.5 Ga zircons from all the samples have very similar εHfi values. They are not statistically different from those of typical Lachlan Orogen sandstones and resemble those in Rodinia and early Gondwana orogenic belts. The εHfi values of the Cambrian zircons within the Pioneer Sandstone are similar to the Mount Read Volcanics but cannot be distinguished on εHfi values from other sources in East Gondwana. The detrital zircon provenance of the Bear Gully Chert Bed at the base of the Digger Island Marlstone at Waratah Bay includes the west Tasmanian Proterozoic, the East Gondwana margin and the Macquarie Arc. This mixed provenance provides evidence for the late Cambrian docking of VanDieland with East Gondwana. New zircon Hf isotope data are reported for early Paleozoic sedimentary rocks in Tasmania and Waratah Bay, southern Victoria. The western Tasmania basement was the dominant source for Tasmanian sandstones and a minor source for the Lachlan Orogen sandstones on the northeast margin of VanDieland. The mixed provenance of the Bear Gully Chert supports a late Cambrian accretion of VanDieland to the East Gondwana margin. The youngest zircons in the Bear Gully Chert at Waratah Bay were potentially sourced from the Macquarie Arc. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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47. Detrital zircon ages, provenance and tectonic evolution in the early Paleozoic of Tasmania and Waratah Bay, Victoria
- Author
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Habib, U., primary, Meffre, S., additional, Berry, R., additional, and Kultaksayos, S., additional
- Published
- 2021
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48. Growth, immunomodulatory, histopathological, and antibacterial effects of phytobiotic-incorporated diets on Oreochromis niloticus in unchanged water
- Author
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Amr Fadel, Mohamed M. M. Metwally, Habib Ul Hassan, Adel A. Abdelmageed, Takaomi Arai, Mohammad Z. Ahmed, and Mohamed F. A. Abdel-Aziz
- Subjects
Oreochromis niloticus ,Melissa officinalis ,Origanum majorana ,Matricaria chamomilla ,unchanged water ,Science ,General. Including nature conservation, geographical distribution ,QH1-199.5 - Abstract
Phytobiotics are promising diet alternatives, yet their effectiveness in high-risk aquaculture conditions remains underexplored. Therefore, a 90-day feeding trial was conducted based on dietary supplementation of Nile tilapia, Oreochromis niloticus, with herbal extracts, namely, lemon balm [Melissa officinalis (MOE)], marjoram [Origanum majorana (OME)], and chamomile [Matricaria chamomilla (MCE)] with 0% water change. The treated groups were compared to groups untreated with herbs or control groups [positive control (PC; 0% water change) and negative control (NC; 20% water exchange per day]. Fish were cultured at stocking density (20 fish m-3: 1.8kg of biomass/m3). We conducted a physicochemical analysis of the water and the clinical responses, growth, and immune responses of the fish were evaluated. Furthermore, the herbal-supplemented fish were then challenged with a pathogenic Edwardseilla tarda strain and mortality was monitored. In the 1st and 2nd months, the water parameters were within the permissible limits. After that, a fatally low dissolved oxygen concentration and the highest levels of ammonia, nitrite, nitrate, and pH were recorded during the 3rd month. Blood and immune assays were conducted in the treated groups and control groups. The herbal-treated groups appeared healthy, but during the 3rd month, lethargy and decreased appetite were evident. Generally, the herbal-treated fish showed improved growth performance parameters, survival rates, and resistance against pathogenic bacteria E. tarda, particularly in the OME and MOE-treated groups compared to the positive control group. Finally, phytobiotic supplements were shown to improve fish stress tolerance and immune activation for a certain period under stressful conditions or unchanged water, based on the stocking density, dosages of herbs used, and the extent of deterioration of the water quality.
- Published
- 2024
- Full Text
- View/download PDF
49. Optimizing marine vehicles industry: a hybrid analytical hierarchy process and additive ratio assessment approach for evaluating and selecting IoT-based marine vehicles
- Author
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Habib Ullah Khan, Muhammad Abbas, Shah Nazir, Faheem Khan, and Jamil Hussain
- Subjects
Internet of Things ,Marine vehicle industry ,MCDA ,Electronic computers. Computer science ,QA75.5-76.95 - Abstract
Rapid developments in the Internet of Things (IoT) have opened the door for game-changing applications in numerous sectors, especially the vehicle industry. There is a rising demand for efficient assessment and decision-making methodologies to pinpoint the most promising choices for the vehicle sector with the introduction of IoT-based maritime vehicles. To overcome this issue, the integrated multi-criteria decision-making analysis (MCDA) paradigm proposed in this research combines the additive ratio assessment (ARAS) and analytic hierarchy process (AHP) approaches to evaluate and choose IoT-based maritime vehicles based on their performance- and authenticity-related criteria in the vehicle sector. The selection issue is hierarchically organized, and the assessment criteria are prioritized using the AHP approach. There are seven performance and authentication related criteria are selected that might aid in the selection procedure. Using the AHP, we are assigned these criteria proportionate weights that reflect their respective significance and interrelationships. AHP, however, falls short of offering a thorough analysis of the alternatives that exist. To overcome these restrictions, this research presents the integration of AHP with the ARAS approach for the ranking of alternatives according to how well they perform against the set criteria. By using the ARAS technique, it is possible to get over the restrictions of AHP and achieve a more thorough assessment of maritime IoT-based vehicles. The efficiency of the framework is proven using empirical data and professional judgment. The findings show that the hybrid method successfully encapsulates the intricate relationships between the factors being evaluated and objectively appraises the potential of IoT-based maritime vehicles for the automotive sector. This study extends to the area by providing an organized and thorough method for assessing and choosing IoT-based maritime vehicles. Considering several factors and their mutual dependence, the hybrid AHP and ARAS technique gives decision-makers a powerful tool for evaluating the potential of IoT-based maritime vehicles in the automotive sector. Smart decisions on the deployment of IoT-based marine vehicles and maximizing the potential they present may be made by beneficiaries in the automotive sector using the study’s results.
- Published
- 2024
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50. Brassinosteroid-induced transcriptomic rearrangements unveiled the physiological mechanism of chromium stress tolerance in Brassica napus
- Author
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Xiaofen Wu, Lan Li, Fakhir Hannan, Tongjun Qin, Ahsan Ayyaz, Jiali Ma, Habib Ur Rehman Athar, Zafar Ullah Zafar, Muhammad Ahsan Farooq, and Weijun Zhou
- Subjects
Antioxidants ,Chlorophyll fluorescence ,Oilseed rape ,Plant hormone ,RNA seq ,Botany ,QK1-989 - Abstract
Brassinosteroid (BR), a plant hormone regulating growth, development, and stress responses, emerges as a promising tool for maintaining agricultural production under abiotic stress conditions. In this study, we conducted RNA-seq profiling and morpho-physiological analysis to investigate the molecular cross-talk involved in 24-epibrassinolide (EBR) mediating alleviation of chromium (Cr) stress. EBR inhibited Cr accumulation and reversed Cr-induced phytotoxicity, thereby promoting plant growth. The photosynthetic pigments, chlorophyll fluorescence a, electron transport rate (ETR) and non-photochemical quenching (NPQ) were significantly higher in EBR+Cr treated plants compared to Cr alone. EBR application facilitated the recovery from Cr-induced structural deformities, including the disintegration of cell walls and membranes. Furthermore, under Cr stress, EBR application reduced malondialdehyde (MDA) and reactive oxygen species (ROS) production and accumulation. The levels of glutathione reductase (GR) and the activities of antioxidant enzymes were notably higher in plants subjected to EBR application following Cr stress. In addition, we established a transcriptomic database comprising 2345 differentially expressed genes (DEGs) (1255 upregulated and 1090 downregulated) as a result of EBR application under Cr stress. The transcriptome analysis unveiled key DEGs and the associated pathways, emphasizing the importance of defense responses, genes encoding photosystem I and II, jasmonate signaling, aquaporins, ABC transporters, and cell wall biogenesis-related genes in the response of EBR to Cr stress.
- Published
- 2024
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