The industrial sector of Pakistan is currently facing severe load-shedding, which ultimately affects its unit production. The greater dependency on conventional energy resources (Thermal, Nuclear, etc.) results in higher production costs and environmental pollution.
View Article and Find Full Text PDFRe-arrangement of cationic distribution in partially inverse spinel NiAlO by using chemical pressure perturbation is studied. Structural, impedance and magnetic analysis suggest presence of regions/domains inside the grain/bulk with same lattice arrangement but varying in cationic oxidation state. Perturbing the cationic distribution in the grain via low concentrations of ambivalence substituent rearranges the cationic distribution across these domains within the partially inverse spinel lattice without disturbing the crystal structure.
View Article and Find Full Text PDFHeart failure is a complex cardiovascular condition characterized by the heart's inability to pump blood effectively, leading to a cascade of physiological changes. Predicting survival in heart failure patients is crucial for optimizing patient care and resource allocation. This research aims to develop a robust survival prediction model for heart failure patients using advanced machine learning techniques.
View Article and Find Full Text PDFAgricultural Remote Sensing has the potential to enhance agricultural monitoring in smallholder economies to mitigate losses. However, its widespread adoption faces challenges, such as diminishing farm sizes, lack of reliable data-sets and high cost related to commercial satellite imagery. This research focuses on opportunities, practices and novel approaches for effective utilization of remote sensing in agriculture applications for smallholder economies.
View Article and Find Full Text PDFThe heliostat field layout in a central receiver solar thermal power plant has significant optical losses that can ultimately affect the overall output power of the plant. In this paper, an optimized heliostat field layout based on annual efficiency and power of 50 MW for the local coordinates of Quetta, Pakistan, is proposed. The performance of two different heliostat field layouts such as radial staggered and Fermat's spiral distribution are evaluated and different design points in a year are considered for the analysis.
View Article and Find Full Text PDFAnti-hyperlipidaemic effect of chloroform fraction of aerial parts of ( Burm.f.) was studied in rats.
View Article and Find Full Text PDFThere are numerous scenarios where the photographer is in difficulty and unable to capture or shoot video as required. This could be due to several factors such as limited space, decreased visibility, and an obstacle in the way. Therefore, this project implements the idea to capture and shoot video of the desired subject through an automatically controlled robotic camera with no need for a photographic bloke.
View Article and Find Full Text PDFCurcumin is an extensively studied natural compound due to its extensive biological applications. However, there are some drawbacks linked to this compound such as poor absorption, low water-solubility, quick systemic elimination, fast metabolism, poor pharmacokinetics, low bioavailability, low penetration targeting efficacy and low stability. To overcome these drawbacks, curcumin is encapsulated in nano-carriers.
View Article and Find Full Text PDFOptical switching is an essential part of photonic integrated circuits and the focus of research at the moment. In this research, an optical switch design working on the phenomenon of guided-mode resonances in a 3D photonic-crystal-based structure is reported. The optical-switching mechanism is studied in a dielectric slab-waveguide-based structure operating in the near-infrared range in a telecom window of 1.
View Article and Find Full Text PDFAn electrocardiograph (ECG) is widely used in diagnosis and prediction of cardiovascular diseases (CVDs). The traditional ECG classification methods have complex signal processing phases that leads to expensive designs. This paper provides a deep learning (DL) based system that employs the convolutional neural networks (CNNs) for classification of ECG signals present in PhysioNet MIT-BIH Arrhythmia database.
View Article and Find Full Text PDFIn this paper a perfect absorber with a photonic crystal cavity (PhC-cavity) is numerically investigated for carbon dioxide (CO) gas sensing application. Metallic structures in the form of silver are introduced for harnessing plasmonic effects to achieve perfect absorption. The sensor comprises a PhC-cavity, silver (Ag) stripes, and a host functional material-Polyhexamethylene biguanide polymer-deposited on the surface of the sensor.
View Article and Find Full Text PDFAegle marmelos is cost-effective valuable South Asian tree. The folklore data reported its wide range pharmacological effects. In spite of vast reported work on various parts, the dry ripe fruit extract has not yet been studied for gastric ulcers.
View Article and Find Full Text PDFQatar is a peninsular country with predominantly hot and humid weather, with 88% of the total population being immigrants. As such, it leaves the country liable to the introduction and dissemination of vector-borne diseases, in part due to the presence of native arthropod vectors. Qatar's weather is expected to become warmer with the changing climatic conditions across the globe.
View Article and Find Full Text PDFVirus-induced gene silencing (VIGS) by deploying viral-based vectors such as tobacco rattle virus (TRV) is a homology-based gene silencing technique in post-transcriptional gene silencing (PTGS) and transcriptional gene silencing (TGS) to validate the function of particular genes. The study presented here showed the induction of DNA methylation in the promoter regions of three phenotypic marker genes in different cotton accessions, including two endogenous genes such as phytoene desaturase (PDS) and phytoene synthase (PSY), and an exogenous gene, such as green fluorescent protein (GFP). First, DNA methylation was established in transgenic GFP cotton where methylation persisted up to S generation.
View Article and Find Full Text PDFAlternative splicing (AS) and alternative polyadenylation (APA) are common mechanisms in eukaryotes to increase the complexity of transcriptomes and subsequently proteomes. Analysis of long reads transcriptomics data can result in the discovery of novel transcripts, splice sites, AS or APA events. Gossypium arboreum is an important cultivated cotton species and a putative contributor of the A sub-genome to the modern tetraploid cotton; and inherently tolerant to several biotic and abiotic stresses.
View Article and Find Full Text PDFA high-efficiency dual-purpose plasmonic perfect absorber sensor based on LiNbO and graphene layers was investigated in this paper for the refractive index and thermal sensing. The sensor design was kept simple for easy fabrication, comprising a LiNbO substrate with a quartz layer, thin layer of graphene, four gold nanorods, and a nanocavity in each unit cell. The nanocavity is located in the middle of the cell to facilitate the penetration of EM energy to the subsurface layers.
View Article and Find Full Text PDFThe present study was aimed at gas chromatography-mass spectrometry (GC-MS) analytical investigation of n-hexane extract of the aerial parts of to identify hypoglycaemic compounds. Also, to investigate this extract for lactase enzyme inhibition responsible for hypoglycaemic activity. Phytochemical screening, GC-MS analysis and lactase inhibition of n-hexane extract was performed by the standard methods.
View Article and Find Full Text PDFAn analytical model to predict the surface roughness for the plasma-enhanced chemical vapor deposition (PECVD) process over a large range of temperature values is still nonexistent. By using an existing prediction model, the surface roughness can directly be calculated instead of repeating the experimental processes, which can largely save time and resources. This research work focuses on the investigation and analytical modeling of surface roughness of SiO deposition using the PECVD process for almost the whole range of operating temperatures, i.
View Article and Find Full Text PDFObjective: To estimate prevalence and causes of blindness and vision impairment and assess cataract surgical coverage and quality of cataract surgery in Kabul.
Methods And Analysis: A total of 3751 adults aged 50 years and above were recruited from 77 randomly selected clusters. Each participant underwent presenting and pinhole visual acuity assessment and lens examination.
In image registration, the search space used to compute the optimal transformation between the images depends on the group of pixels in the vicinity. Favorable results can be achieved by significantly increasing the number of neighboring pixels in the search space; however, this strategy increases the computational load, thus making it challenging to realize the most desirable solution in a reasonable amount of time. To address the mentioned problem, the genetic algorithm is used to find the optimum solution and the solution lies in finding the best chromosomes.
View Article and Find Full Text PDFIn this study, as a measure to enhance the antimicrobial activity of biomaterials, the selenium ions have been substituted into hydroxyapatite (HA) at different concentration levels. To balance the potential cytotoxic effects of selenite ions (SeO) in HA, strontium (Sr) was co-substituted at the same concentration. Selenium and strontium-substituted hydroxyapatites (Se-Sr-HA) at equal molar ratios of Se/(Se + P) and Sr/(Sr + Ca) at ( = 0, 0.
View Article and Find Full Text PDFThe central theme of the study is to assess the socioeconomic impact of household biogas plants on rural households. To this end, the study selected respondents from biogas plant holders and non-holders of biogas plants in rural areas of Muzaffar-Garh. During the field survey, a questionnaire survey was conducted on 40 biogas users in two villages in each Tehsil and 40 non-biogas users in the same village.
View Article and Find Full Text PDFObjectives: To document the presentation of infected non-unions of femur in pediatric and adolescent population and evaluate the outcome of segmental bone transport with the Ilizarov method.
Methods: This prospective case series study was carried out over a period of five years, from January 01, 2015 to December 31, 2019. The study included all children and adolescent patients who presented with femoral infected non unions.