Publications by authors named "Mahmoud K"

Phytochemicals have been effectively used to enhance the growth and productivity of farm animals, while the potential roles of essential oils and their nano-emulsions are limited. This plan was proposed to investigate the impacts of orally administered moringa oil (MO) or its nano-emulsion (NMO) on the growth, physiological response, blood health, semen attributes, and sperm antioxidant-related genes in rams. A total of 15 growing Rahmani rams were enrolled in this study and allotted into three groups.

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In this article, the spatial symmetric nonlinear dispersive wave model in (2+1)-dimensions is studied, which have many applications in wave phenomena and soliton interactions in a two-dimensional space with time. In this framework, the Hirota bilinear form is applied to acquire diverse types of breather wave solutions from the foresaid equation. Abundant breather wave solutions are presented by the Hirota bilinear form and a mixture of exponentials and trigonometric functions with the usage of symbolic computation.

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Background: There are no studies belong NOTCH2 gene polymorphism in relation to reproductive and productive traits in Holstein cattle. The objective of the present study was to investigate the effect of NOTCH2 gene polymorphisms on productive and reproductive performance of fertile and anestrum cattle.

Methods: The cattle were classified into anestrus for 3-12 months postpartum (n = 115, 37.

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Objective: To propose a new definition for SLEDAI arthritis informed by imaging.

Methods: We performed a planned secondary analysis of observational data from a multicentre study evaluating SLE patients with inflammatory joint pain (swelling not required) using various clinical instruments, laboratory tests and ultrasound. For SLEDAI arthritis, assessors (blinded to ultrasound) were asked which of the glossary terms for arthritis in any version of the SLEDAI drove their decision to score for arthritis.

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  • * Key predictors for insomnia included being unemployed, dehydrated, overweight, sleeping less than 6 hours per day, and interestingly, having high adherence to the Mediterranean diet.
  • * The results also indicated that being married might protect against insomnia, highlighting the complex relationship between lifestyle factors and sleep quality, which needs further exploration.
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  • Diminished ovarian reserve (DOR) and primary ovarian insufficiency (POI) significantly contribute to female infertility, with a recent study finding a genetic cause in 29.3% of POI cases.
  • A prospective study of 120 patients with unexplained DOR revealed a 24.2% diagnostic yield using advanced sequencing technology to identify genes related to various biological pathways.
  • Findings indicated that impaired oocyte quality is linked to meiosis/DNA repair genes, and the study supports the need for genetic testing as a routine part of infertility diagnosis and a potential predictor for progression to POI.
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This study end to develop nanoemulsions of Panax ginseng dry extract and to evaluate the potential impact of these nanoemulsions versus free Panax ginseng dry extract and Vit.E in recovering male infertility induced in rats. Nanoemulsions of Panax ginseng dry extract were prepared by oil in water method.

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  • The paper discusses a new equation for analyzing solitary wave propagation in thin-film ferroelectric materials, important for modern electronics.
  • The authors employ the Paul-Painlevé approach to derive analytical solutions, utilizing techniques like the -expansion and G-expansion methods.
  • Results include various bright and periodic wave solutions, supported by graphical simulations in 2D and 3D, showcasing the methods' effectiveness in addressing nonlinear mathematical problems.
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  • The global population growth is driving the need for sustainable energy sources like bioethanol, but traditional methods threaten food supplies, making them less viable.
  • New technologies and low-cost raw materials are essential to make bioethanol production more economically feasible compared to first-generation methods.
  • Solid-state fermentation (SSF) offers a promising solution by using microorganisms on solid substrates, which improves efficiency, reduces waste, and eliminates the need for sugar extraction in bioethanol production.
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In this article, the potential Kadomtsev-Petviashvili (pKP) type coupled system with variable coefficients is studied, which have many applications in wave phenomena and soliton interactions in a two-dimensional space with time. In this framework, Hirota bilinear form is applied to acquire diverse types of interaction lump solutions from the foresaid equation. Abundant lump, lump-periodic, lump-soliton and multi soliton solutions to the pKP system are presented by the Hirota bilinear form and a mixture of exponentials and trigonometric functions.

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To investigate the therapeutic potential of 5-Fluorouracil-based analogues, a straightforward synthetic technique was employed to synthesize a novel series of 5-arylurea uracil derivatives (AUFU01-03) and aryl-urea derivatives bearing perfluorophenyl (AUPF01-03). Reliable tools such as infrared (IR), Nuclear Magnetic Resonance (NMR) spectra, and elemental analyses were utilized to confirm the chemical structures and purity of these compounds. In comparison to healthy noncancerous control skin fibroblast cells (BJ-1), we examined the antiproliferative efficacy of compounds (AUFU01-03) and (AUPF01-03) against specific human malignant cell lines of the breast (MCF-7), and colon (HCT-116).

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Objectives: Older adults often have a heightened awareness of death due to personal losses. In many low- and middle-income countries, including Nigeria, conversation about end-of-life issues and advanced care planning (ACP) among older adults is gradually emerging. Our study explored older adults' knowledge and perceptions towards advanced directives and end-of-life issues in a geriatric care setting in Nigeria.

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  • - This work explores a rogue wave solution strategy based on the Hirota bilinear hypothesis to develop various soliton wave solutions for the generalized Hirota-Satsuma-Ito condition.
  • - The study examines multiple types of soliton waves, including first to fourth-order waves, and analyzes properties related to lump solutions and the Hessian lattice.
  • - Results are validated through simulations that produce 3D, density, and 2D graphs, suggesting new insights into traveling wave theory.
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In this research article, the (1+1)- and (2+1)-dimensional Chiral nonlinear Schrödinger equations (CNLSEs) are studied, which play an important role in the development of quantum mechanics, particularly in the field of quantum Hall effect. Our primary goal is to obtain the analytical solutions utilizing novel methodology, particularly the modified extended tanh-function technique. We concentrate on the search to solitary wave solutions inside the (1+1)- and (2+1)-dimensional CNLSEs, which are relevant in domains such as optics, electro-magnetic wave propagation, plasma physics, optics and quantum mechanics.

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Introduction: The renin-angiotensin-aldosterone system (RAAS) plays a pivotal role in regulating blood pressure (BP), with dysregulation of RAAS resulting in hypertension and potentially heart failure (HF), myocardial infarction (MI), cardio-renal syndrome, and stroke. RAAS inhibitors, such as angiotensin-converting enzyme inhibitors (ACEis) and angiotensin receptor blockers (ARBs), have advantages beyond BP control. However, differences between these two drug classes need to be considered when choosing a therapy for preventing cardiovascular events.

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Background: Enhancing the antibacterial capabilities of dental materials by adding nanoparticles has been the subject of some research. However, the potential toxic effect of this material on the vital tissues should be investigated to avoid additional damage to the tissue.

Objective: This study aimed to validate the long-term cytotoxic and antibacterial properties of an epoxy resin-based endodontic sealer (AH Plus) with and without loading with silver gold nanoparticles (Nano Care Plus Silver Gold®).

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  • * The research investigates the effects of adding paternal lymphocytes to maternal activated PBMCs during insemination, with patients divided into four groups based on the type and number of PBMCs used.
  • * Results indicate that using activated PBMCs increases clinical pregnancy rates across all groups, with the highest success observed in patients receiving both paternal and maternal activated PBMCs, achieving a clinical pregnancy rate of 47.2% and live birth rate of 41.
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The objective of this work is to showcase the ortho-positronium lifetime as a probe for soft-tissue characterization. We employed positron annihilation lifetime spectroscopy to experimentally measure the three components of the positron annihilation lifetime-para-positronium (p-Ps), positron, and ortho-positronium (o-Ps)-for three types of porcine, non-fixated soft tissues ex vivo: adipose, hepatic, and muscle. Then, we benchmarked our measurements with X-ray phase-contrast imaging, which is the current state-of-the-art for soft-tissue analysis.

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  • The study examines solitonic phenomena in wave propagation within a (3 + 1)-dimensional breaking soliton system, focusing on interactions between Riemann waves and long waves in nonlinear media.
  • It presents detailed solutions like double-periodic solitons, breather waves, and rogue waves using Hirota's bilinear form and a combination of exponential and trigonometric functions.
  • The research employs symbolic computation for analysis and visualization, highlighting the diverse solutions and their implications for understanding nonlinear wave behaviors in various scientific and engineering contexts.
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In this paper, a non-autonomous (3+1) dimensional coupled nonlinear Schrödinger equation (NLSE) with variable coefficients in optical fiber communication is analyzed. By means of bilinear technique and symbolic computations, new multi-soliton solutions of the coupled model in different trigonometric and lump functions are given. Then, in terms of perturbed waves, considering the steady state solution and the small perturbation on the three directions x, y, z and the time t, the soliton transmission are also considered.

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The scenario of the fertile spermatozoa with high fertilizing capability is basically dependent on gene expression-based epididymal function. The current investigation aimed to declare the varied expression of different candidate genes (PLA2G4D, LCN15, CLUAP1, SPP1, AQP12B, DEFB110 and ESR1) relevant to spermatozoa features between the different epididymal segments in the mature dromedary camels (n = 30). Scrotal contents were collected post-slaughtering, during the breeding season and the epididymis was separated from the testicles and divided into three segments (caput, corpus and cauda) based on its morphology and anatomical characteristics.

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Two-dimensional (2D) MXenes have gained great interest in water treatment, biomedical, and environmental applications. The antimicrobial activity and cell toxicity of several MXenes including NbCT and NbCT have already been explored. However, potential side effects related to Nb-MXene toxicity, especially on aquatic pneuma, have rarely been studied.

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Male infertility is identified by the inability of a man to successfully impregnate his fertile female partner, even following a year of regular unprotected sexual intercourse. About half of all infertility cases are attributed to what is known as "male factor" infertility. The escalating prevalence of male infertility in the contemporary era across the globe can be largely attributed to environmental pollution, which is the common etiological factor due to the ubiquitous presence of the environmental contaminants.

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Background: Resveratrol, a potent antioxidant, is known to induce the up-regulation of the internal antioxidant system. Therefore, it holds promise as a method to mitigate cryopreservation-induced injuries in bovine oocytes and embryos. This study aimed to (i) assess the enhancement in the quality of in vitro produced bovine embryos following resveratrol supplementation and (ii) monitor changes in the expression of genes associated with oxidative stress (GPX4, SOD, CPT2, NFE2L2), mitochondrial function (ATP5ME), endoplasmic reticulum function (ATF6), and embryo quality (OCT4, DNMT1, CASP3, ELOVL5).

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