This study conducted a thorough analysis of changes in land cover components of the Lake Hamrin area, located within Diyala Governorate, Iraq, focusing on the influence of human and climatic factors. Human variables included the rate of water release from the Darbandikhan Dam, while climatic factors encompassed fluctuations in temperature and annual rainfall. These factors significantly impact the lake, the largest body of water in the region, and other land cover components, leading to disruptions in the overall ecological balance.
Two satellite images from 2024 were analyzed for this research, representing two distinct seasonal periods: the first image was captured in April, following the conclusion of the rainy season, while th
... Show MoreThe presence and distribution of phytoplankton algae, which are related to water properties, are affected by these factors. Non-diatomic algae samples were collected during the autumn season in 2024-2025 from three sites on the Tigris River, including the Samarra pharmaceutical industry, woolen spinning factory, and paper waste landfill, to identify algae resistant to dye pollution. The study found slight temperature variations in three sites, with the highest temperature in the first site being 23.62 ºC and the lowest in the second site being 20.67 ºC. The water was found to be alkaline, with slightly reduced pH values at the first site. The electrical conductivity (EC) values were high, with the highest rate in the first site at 956.
... Show MoreBenzimidazole is a bicyclic heterocyclic aromatic compound that contains a combination of a six-membered ring and a five-membered ring with two nitrogen atoms. The current study aims to combine these two moieties to identify new benzimidazole-based 1,3,4-oxadiazole derivatives. In this work, the preparation of new benzimidazole-containing substituted 1,3,4-oxadiazoles 3-16 has been described using a five-step process. The SN2 displacement reaction between benzimidazole and bromoacetic acid afforded the corresponding acid 1 in an 87% yield. Product 1 was treated with thionyl chloride to furnish the desired acid chloride form of 1. The next step involved the nucleophilic addition of hydrazine hydrate (99%) to the acid chloride d
... Show MoreStyrene acrylic polymer (SAP) coatings protect materials from damage. Their performance can be enhanced by adding microscopic materials such as carbon black (CB), which improves their surface energy and hardness. This research aimed to evaluate the effect of carbon black at concentrations of 5, 10, 15, and 20% using the casting method. SAP films with varying weight percentages of carbon black were prepared. The mixture was magnetically stirred at 25°C for 1 hour, then stirred in an ultrasonic bath for 30 minutes, poured into a 20 cm diameter mold, and dried at room temperature for 24 hours. The adhesion strength peaked at a 5% CB concentration, reaching approximately 590. However, higher concentrations caused a significant decrease in a
... Show MoreNanoparticle (NP)-based polymer nanocomposites have received significant attention in recent years, particularly those based on carboxymethyl cellulose (CMC). This study aims to synthesize and characterize of nanocomposites derived from grafted CMC. Because of the presence of polar functional groups, such as carboxyl and hydroxyl groups, in CMC, which contribute significantly to its strong adsorption capacity in metal structures, some research has indicated that this CMC is effective as a corrosion inhibitor, especially after being coated with NPs, as it protects metal surfaces from corrosion and helps them create a protective layer. In this study, nanocomposites derived from grafted CMC were synthesized. Initial CMC underwent a reaction
... Show MoreThe present investigation is concerned with the spectral characterization by laser-induced bioluminescence spectroscopy (LIBS) of neem (Azadirachta indica) generated plasma, which is one of the most versatile and fast methods for the qualitative and quantitative analysis of various chemical elements, in organic as well as organic materials. Sample excitation and plasma formation were achieved using a pulsed energy laser (50, 100, 150, and 200 mJ). Finally, the emitted spectrum was analyzed in the framework of the Boltzmann and Saha equations for obtaining the plasma temperature and electron density. The influence of the laser power on the spectral parameters, for example, spectral line intensity, electron temperature, and electron de
... Show MoreThis research is considered the first of its kind in this sector of the river for more than three decades and aims to evaluate the diversity, abundance, richness and spatiotemporal variations of Cladocera within Samarra Impoundment water. The samples of these crustaceans were collected from three sites in the impoundment every two months between February 2023 and December 2024. We identified 19 taxa belonging to five Cladocerian families. The most abundant genera were Alona sp., Bosmina sp., Chydorus sp., Ceriodaphnia sp., Diaphanosoma sp., Daphnia sp. and Moina sp. The minimum and maximum densities were observed in spring and winter, respectively. The average values for even
... Show MoreThe emphasis of the world on sustainable water quality and frequent monitoring of pollutants has grown greater to protect public health and biodiversity, aimed at limiting human activities that lead to water pollution and conserving water resources. The objective of this study was to evaluate the levels of pollution and concentrations of different heavy metals in sediment and water samples taken from four locations along the Tigris River at Baghdad City, Iraq, during 2024. In order to investigate the variations in conditions between the wet and dry seasons, samples were collected during each. Among the elements under analysis were lead, nickel, chromium, zinc, and iron. The samples were analyzed for heavy metals using Atomic Absorption S
... Show MoreThe (E)-4-chloro-N-(2-(dimethylamino)ethyl)-5-((8-hydroxyquinolin-5-yl)diazenyl)-2-methoxybenzamide azo ligand (L) has been synthesized through the reaction of diazonium salt for 5-amino-4-chloro-N-(2-(dimethylamino) ethyl)-2-methoxybenzamide with 8-hydroxyquinoline and identified azo ligand (L) using spectroscopic studies (FTIR, UV-Vis, 1H and 13CNMR, mass), and micro-elemental analysis (C.H.N). Metal chelates of Co(II), Ni(II), Cu(II), as well as Zn(II) have been completed as well as characterized using mass spectra, flame atomic absorption, elemental analysis (C.H.N), infrared, UV-Vis spectroscopy, as well as conductivity, magnetic measurements. The metal-to-ligand ratio in all complexes, as determined by analyti
... Show MoreIDAL distribution is based on expanding the exponential Weibull distribution by adding a IDAL distribution is based on expanding the exponential Weibull distribution by adding a third parameter, which is a shape parameter, to the exponential-Weibull distribution. This modification was done in order to create models that are more flexible and realistic. The IDAL distribution is characterized by three parameters, which are the scale parameter and two shape parameters. Estimating the reliability for a Noval distribution. The unknown parameters of its distribution have been estimated which have the first of these methods is the Maximum Likelihood Estimate (MLE) method, followed by the Maximum Entropy Estimation (MEE) method. A comparison of
... Show MoreUrinary tract infections are mainly caused by uropathogenic Escherichia coli, which represent a significant global issue along with the rising of antibiotic resistance and treatment challenges. The aim of this study was to evaluate ciprofloxacin efficacy as a treatment in animal models following infection with multidrug-resistant UPEC and multidrug-susceptible UPEC and to determine the nephrotoxic effect of these antibiotics on the renal cortex. Up to 76 E. coli isolates were collected from UTI patients in Baghdad province, characterized by morphological and biochemical features, and confirmed using the Vitek-2 compact system. Mice were orally infected via gastric gavage with G33 using a bacterial load of 107 cells/ml,
... Show MoreEMI (Electromagnetic Interference) shielding apeara lot of attention of that electronic devices are being used more widely and reports design progress for shielding..The EMI of PPy/Carbon black synthesized different weight (0,1,3,5 wt.%) of C.B using chemical oxidation method at (3-7)°C and charactrized with X-ray diffraction , Fourier transformation , Field Emission scanning electron microscopy , Electrical conductivity, high Electromagnetic Shielding Effectiveness (SE) in a frequency range of 5.85- 8.2GHz(C-band), 8.20-12.40GHz (x-band),and thermal analyzed using differential thermal analysis(TGA-DSC). FTIR reveal the required functional groups that should be present in all nanocomposites. The dispersion and formed a net
... Show MoreSynthesis and characterization of a Schiff base ligand (HL), derived from ((E)-3-((4-acetylphenyl)diazenyl)-2-hydroxy-1-naphthaldehyde) with 1-amino-4-nitrobenzene in a one-to-one molar ratio. This study aims to synthesize and characterize HL. Subsequently, the interaction of ligand with different metal ions involving chromium (III), manganese (II) and cobalt (II) in the ratio of one ligand to one metal, resulted in the isolation of tetra and hexa-coordinate monomeric compound have been fully characterized using analytical methods and spectroscopic methods involve elemental microanalysis, 1H and 13C (NMR), (FT-IR) spectroscopy, as well as electronic spectra and magnetic moment magnetic susceptibility along with mass
... Show MoreConstructing two-dimensional (2D) composites using layered materials is considered a practical approach to achieving high-efficiency photocatalysts. This study aims to prepare manganese oxide nanoparticles (NPs) from the aqueous extract of thyme leaves, characterize them by spectroscopic methods, and bridge the gap by developing an environmentally friendly, photostable coating and evaluating its efficiency in degrading the methylene blue (MB) dye under sunlight, suitable for practical water treatment applications. In this work, a 2D nano-photocatalytic coating of Mn3O4:Ag was developed for the efficient removal of organics and pollutants from water under sunlight. The method involves synthesizing a photocatalytic na
... Show MoreStaphylococcus aureus is one of the causes of serious diseases that cause a wide range of infections, including urinary, skin, and respiratory infections. Thus, it has shown strains resistant to antibiotics, so that studying the molecular basis of virulence in staphylococcal bacteria becomes more important. The aim of this study is to investigate the presence of teicoplanin-associated genes (A, B, R) in S. aureus bacteria taken from clinical samples by PCR technique. 25 clinical samples from patients with respiratory diseases, skin ulcers, and urinary tract infections were collected from Yarmouk Teaching Hospital for a period ranging from October 2024 to January 2025. The presence of
... Show MoreThin films of ZnO1-xAgOx nanostructures were successfully deposited on glass substrates using pulsed laser deposition with varying AgO nanoparticle concentrations. Structural and optical characterizations were performed to evaluate the effect of AgO incorporation. XRD patterns confirmed a hexagonal polycrystalline structure, with additional peaks for cubic silver or silver oxide due to AgO inclusion. Crystal size slightly increased at x = 0.05 and 0.25, indicating enhanced growth, while it decreased at other ratios due to lattice strain and defects. FTIR analysis showed Zn–O stretching modes, hydroxyl, carbon-based groups, and Ag–O bands, confirming successful incorporation. AFM results revealed reduced surface roughness with low AgO
... Show MoreAbstract
The algorithms has a great role to find zeroes of metric projection point , fixed point and common fixed point in Hilbert space .It is well known that the metric projection mapping plays important role in Fixed point theory , Differential Equations, Optimization theory and Variational Inequality problem. The success, effectiveness, speed and superiority of iterative methods over other approximate methods depend on two important factors: The first is the number of iterations, and the second is time. In this paper, we introduce new iterative, it has been generalized to a number of algorithms, such as the algorithm used in27, which is considered a generalization of the Ishikawa's iteration algorithm. We use fam
... Show MoreThe modal properties of optical fibers were calculated at core radii (1.45–5.05) µm in 1.20 µm increments. In this work, the calculation was performed at a wavelength of 1.030 µm using the RP Fiber Calculator software (free version 2025). The results demonstrated that when the core radius is comparable wavelength, the fiber supports only the fundamental mode, indicating single-mode operation; whereas larger core radii lead to multimode behavior. The study involved analyzing optical properties of step index fibers with core and cladding refractive indices of = 1.469 and = 1.46, respectively. The computed properties included the cut-off wavelength, effective area, power in the core, effective refractive index, and propagation cons
... Show MoreSurvival analysis is a fundamental statistical tool for studying the period leading up to a specific event, such as patient death or device failure. Interest in this analysis has grown due to its ability to provide accurate insights into survival rates and survival function estimation in various fields. This paper modifies the Log-logistic Distribution ( ) by adding a shape parameter to enhance its ability to predict more effectively. After that, a new hybrid meta-heuristic algorithm (PSWGO), combining particle swarm optimization with the gray wolf algorithm, is proposed to estimate the survival function. To compare and investigate the performance of the proposed algorithm with three meta-heuristic algorithms (particle swarm optimizati
... Show MoreThis paper shows new approximate ways to solve nonlinear ordinary differential equations using two methods that repeat steps: the Adomian decomposition method (ADM) and the optimal Adomian decomposition method (OADM). These equations are extensively utilized in fluid dynamics and engineering. The OADM sets itself apart by incorporating an optimal control parameter that enhances solution accuracy and accelerates convergence, providing a distinct advantage over the ADM. The two methods have been applied to three important equations: the Darcy-Brinkmann-Forchheimer moment equation, the Blasius equation, and the Falkner-Skan equation. The effectiveness of the two methods was assessed by looking at how quickly they converged and the largest e
... Show MoreThe superconducting compound ( Pb1-xCdxBa2Ca2Cu3O9+ δ ) was prepared using the solid- state reaction (SSR) method as it is the most common method in the preparation of superconducting compounds, where the study was carried out at addition weights (x=0,0.15) to observe the effect of replacing lead with cadmium and the effect of this replacement on both the characteristics and behavior of the samples in terms of electrical resistance and critical temperature, where all samples displayed superconducting behavior. In this research, both the critical temperature of the compound and the dielectric properties of the compound (imaginary dielectric cons
... Show MoreThe ground-state properties like the nuclear densities and the root mean square radii of exotic mirror nuclei 8B and 8Li have been investigated using the Skyrme Hartree Fock and Symmetrized woods Saxon calculations Additionally, several nuclear observables have been investigated, including longitudinal elastic electron scattering form factors, binding energies, Coulomb displacement energies, magnetic dipole moments, and electric quadrupole moments. The results of the evaluation are contrasted with the experimental data that is currently available. It found that a common feature of the neutron and matter densities for the above-selected exotic nuclei is the long tail behavior. We assumed that both 8Li and
... Show MoreTea tree oil, extracted from the leaves of1Melaleuca alternifolia, is `known for 1its antibacterial and antioxidant properties. This study aimed to investigate its chemical composition, antifungal activity against Candida tropicalis and Cryptococcus neoformans, and free radical1 scavenging capacity. Evaluating the inhibitory activity of tea tree essential1 oil1. Essential oil was obtained via steam 1distillation from air-dried 1leaves. Chemical constituents were analyzed using Gas chromatography-mass spectrum analysis. Antifungal1 activity was assessed1 by agar dilution assays at concentrations of 200–2,000 µg/ml. Antioxidant1 activity was determined using the DPPH assay within the 12.5–200 μL range. GC
... Show MoreThin films of Titanium dioxide (TiO2) doped Chromium oxide (Cr2O3) with a thickness of nm and a doping ratio of (0.2, 0.4, 0.6, 0.8)% employed on glass and n-type porous silicon substrates by using Pulsed laser ablation technique. A Cr2O3: TiO2/PSi heterojunction for a gas sensor device was synthesized with Nd: YAG laser with 1064nm wavelength with 500 pulses of laser energy 600mJ. The effect of the dopant concentration ratios on absorption coefficient ,optical energy gap and gas sensing properties such as sensitivity, responsivity and recovery times in the presence of 400ppm concentration of H2S gas, were studied and discussed. The doped samples showed increased absorption coefficient values with higher doping con
... Show MoreIn this study, iron oxide nanoparticles (α-Fe₂O₃ NPs) were prepared using a readily available chili pepper plant extract from local markets. This study aims to evaluate the magnetic properties of α-Fe₂O₃ prepared in green chemistry from Capsicum plant extract. After several simple preparatory steps, such as washing and cutting, they were treated with an inorganic complex (potassium hexacyanoferrate) (K3[Fe(CN)₆]). In the first analytical step, the in vitro detection of the plant extract solution after reaction with the potassium hexacyanoferrate (III) complex revealed characteristic adsorption bands of the cyanide group, which disappeared upon complexation. The iron oxide NPs were characterized using var
... Show MoreNanofertilizers offer a promising solution to increase crop yields amid increasing population pressure. Yet there have been safety concerns about their use, particularly in challenging conditions. This work was designed to assess the toxicological effects of a chelated multi-micronutrient nanofertilizer on albino rats (Rattus norvegicus) as non-target organisms, focusing on the liver, which has important metabolic functions. Thirty-five animals were weighed and randomly divided into 5 groups (n=7). A negative control group was included, and four experimental groups (C1-C4) were given the test item. The dosing regimen for the experimental groups was 15 oral doses of nanofertilizer every other day for 29 days. All the groups
... Show MoreIndoor air quality (IAQ) in healthcare facilities has become a critical area of research due to its significant influence on patient health, staff safety, and operational efficiency. This study examines the levels of various indoor air pollutants, including formaldehyde (HCHO), volatile organic compounds (VOCs), carbon dioxide (CO2), nitrogen dioxide (NO2), humidity, and temperature, in multiple healthcare units within the Medical City of Baghdad from September to the end of December of 2024 from different units, such as consulting units, waiting halls, corridors, and emergency rooms. Different IAQ monitoring systems that provide real-time measurements of these parameters were used in this study. The findings show that CO2 levels tend to
... Show MoreIn this paper, we investigated the concept of ε-diskcyclic operators on a separable infinite-dimensional Hilbert space . A bounded linear operator is called -diskcyclic if there exists a vector in such that its disk orbit visits every cone of aperture . That is, for every non-zero vector in , there exist in where and in such that . Such a vector is then called an ε-diskcyclic vector for .
We established several properties of ε-diskcyclic operators. In particular, we showed that every -diskcyclic operator is cyclic. Moreover, we examined the relationship between ε-diskcyclic vectors of and eigenvectors of the adjoint operator that cannot be orthogonal to each other. We also proved that if
... Show MoreThe Internet of Medical Things (IoMT) has enhanced healthcare, but it is also vulnerable to cyber-attack. Reliable Intrusion Detection Systems (IDSs) are essential for data integrity and patient safety. The goal of this study is to design and evaluate deep learning IDSs in the form of DNNs and a hybrid GRU-DNN model for IoMT networks using the CICIoMT2024 dataset.
The design of a standalone DNN model and a hybrid Gated Recurrent Unit–DNN (GRU-DNN) was also applied and compared. Both were trained and tested with various classes involving 2, 6, and 19 from the CICIoMT2024 datasets. The GRU-DNN model, in 19-class classification performance, achieved satisfactory results of accuracy, precision, and recall as 98.4%, 98.6%,98.4% and
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