American Journal of Biology and Natural Sciences

Emerging and re-emerging microbial pathogens remain a significant global health threat fuelled by rapid urbanization, climate change, population movement, environmental disruption, antimicrobial resistance and weaknesses in health systems. They may be newly introduced by humans or have recently b...

The current study aimed to know the effect of thyroid disorders in women on the level of omentin-1 hormone and some hormones levels and compare them with the number of healthy women. This study was conducted in clinics and external laboratories in Samarra city for the period from February 2024 to...

Methamphetamine is a powerful central nervous system stimulant belonging to the amphetamine class, it increases the release of dopamine and norepinephrine, causing feelings of energy and euphoria. It is considered a highly addictive substance, and its use is associated with psychiatric and neurol...

Industrial fermentation processes are often limited by low efficiency, poor real-time control, and high resource wastage due to inadequate monitoring of key process variables. This study aimed to develop and evaluate a digital twin–assisted AI framework integrated with multi-omics data for optimi...

Introduction: Proteus mirabilis is a clinically relevant uropathogen due to its urease production, biofilm forming ability, and developing antimicrobial resistance that contribute to poor treatment outcomes of urinary tract infections (UTIs). Objectives: This study investigates the association of...

Intracellular parasitic protozoa such as Toxoplasma gondii, Leishmania spp., and Plasmodium falciparum continue to be a huge global public health and socio-economic problem. Modern frontline chemotherapy [remains] largely dependent on drugs with a history of development decades ago, including pyr...

Using high-performance liquid chromatography (HPLC), the research experiment was conducted at the College of Agriculture Research Station at Tikrit University during the 2024–2025 growing season to examine the effects of different salt stress levels and the subsequent foliar spraying of salicylic...

Background: Maternal nutrition during lactation is essential for maintaining maternal health, supporting breast milk production, and ensuring optimal infant growth and development. Seasonal food availability may influence dietary patterns, particularly in rural communities.
Objective: This study ...

Soil salinization is a major environmental process driving land degradation in arid ecosystems, significantly altering soil chemical balance and ecosystem stability. This study investigates ionic composition and salinity-induced soil degradation processes in arid soils of the Bukhara region, Uzbe...

The extreme aggregation of burdensome metals and pollutants from waste wholes are chief to weighty adulteration of freshwater resources, happening in harm to the atmosphere and society. The Euphrates is individual of ultimate valuable water sources in Iraq, that is handled for household, land and...

This article provides a scientific assessment of the effectiveness of phytomeliorative measures on saline and degraded soils in Southern Karakalpakstan — using the example of Tortkul, Beruni, Ellikqala, and Amu Darya districts. Based on field experiments (2021–2024), it was determined that after ...

The present study was conducted to evaluate the effect of the probiotic preparation “Innoprovet” on the productivity of laying hens and the veterinary-sanitary quality of eggs. The experiment was carried out at the “Qorasuv Parranda Fayz” poultry farm in Jomboy district, Samarkand region. A total...

In the fall of 2025, a field trial was conducted at the research station of the Department of Soil Science and Water Resources, Faculty of Agriculture, Tikrit University, to investigate the effects of irrigation water quality ( Non-saline water with a salinity of 0.467 dS/m¹ and Saline water with...

In order to understand how gentamicin affects the histology of the adult rat myocardium and its possible uses in clinical medicine, this study sought to investigate the effects of gentamicin administered over a period of time on adult rat myocardium by utilizing H and E stained sections evaluated...

This research addresses the issue of environmental pollution in schools in Kirkuk Governorate, which is one of the significant problems affecting the health of students and teachers in the province's schools. Environmental pollution and its forms are clearly evident in many schools due to overcro...

Anti-cyclic citrullinated peptide (Anti-CCP) antibodies and rheumatoid factor (RF) are the main serological markers in the diagnosis and follow-up of rheumatoid arthritis (RA). Here we evaluate their prevalence, positivity rates and inter-marker correlation over a 16 month period. A retrospective...

Human, industrial or agricultural activities or microorganisms from dried fruits generate a variety of pollutants such as polycyclic aromatic hydrocarbons (PAHs) in food products, particularly in dried fruits sold in local markets. This study sought to quantify the amount of polycyclic aromatic h...

The long-term success of metallic implants depends on both corrosion resistance in physiological environments and strong osseointegration at the bone–implant interfaceIn, in this study Ti–13Nb–13Zr substrates were functionalized with BaTiO₃, SiO₂, and BaTiO₃–SiO₂ composite coatings deposited by s...

Background: Increased oxidative stress and hormonal dysregulation have been implicated in polycystic ovarian syndrome (PCOS), a contributing cause to adverse pregnancy outcomes and related problems in women. Aim of the study: The study aims to evaluate the level of Malondialdehyde (MDA), glutathi...

The skin's defense mechanism against opportunistic infections is compromised by burn damage. One of the primary pathogens that colonize burn wounds and cause serious infections is Pseudomonas aeruginosa . Production of Extended Spectrum Beta-lactamase Enzymes (ESBLs) and Integron play a significa...

The degradation of hydrocarbon by indigenous biosurfactant-producing species of pseudomonas stands out as a natural remediation phenomenon in the Ibeno coastal soils. Standard microbiological and biotechnological methods were employed to investigate the bioremediation of hydrocarbon in Ibeno coas...