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Journal: American Journal of Biology and Natural Sciences Clear filters
Indexed articles 2,627
Connected journals 12
Current scope American Journal of Biology and Natural Sciences
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Research from American Journal of Biology and Natural Sciences

259 articles found
American Journal of Biology and Natural Sciences 30 Apr 2026

The Effect of Growing Sweet Pepper under Shading Nets in Dry Subtropical Conditions on Yield and Fruit Quality Indicators

Jumaqulovich, Xolmamatov Jamshid; Khoshimovich, Aramov Muzaffar
ISSN 2997-7185 Vol. 3 · No. 4 DOI
Abstract. This article presents the results of a study on the effectiveness of growing sweet pepper varieties under shading nets in the dry subtropical conditions of Uzbekistan. The study evaluated important economically and biologically relevant traits of the Nargiza, Tong, and Dar Tashkenta varie…
American Journal of Biology and Natural Sciences 21 Sep 2026

Occupational Stress and Job Productivity among Health Information Professionals in Selected Government Hospitals in Ogun State, Nigeria

Dr Lilly West Buloala Ransome; Muideen Babatunde Olatunji; Olufunmilola Adeola Faminu; Ogunmola Oladele Tinuola Oluwatoyin; Judith Adeora Arachie; Enebechi Constance Ifeoma; Samuel Florence Abosede; Omolade Olufemi Ayodele; Ayinde Abayomi O
ISSN 2997-7185 Vol. 3 · No. 9 DOI
Abstract. Background: Occupational stress is an important workplace concern that may affect the well-being and productivity of healthcare professionals. Health Information Professionals work in demanding healthcare environments where workload, time pressure, staffing constraints, administrative res…
American Journal of Biology and Natural Sciences 19 Sep 2026

A Fruit-Derived Vitamin C–Polyphenol Matrix for Collagen Formation and Tissue Integrity: Stability Characteristics and Human Healing Evidence

Igoundaz, Yassine; West, Adrian; Robertson, Levi
ISSN 2997-7185 Vol. 3 · No. 9 DOI
Abstract. The NVTIA® fruit-derived vitamin C-polyphenol powder was evaluated as a stable nutritional input for collagen- and tissue-repair research. The optimized powders contained 16.8-18.4% L-ascorbic acid and 7.9-8.8% corrected total polyphenols, with water activity of 0.23-0.25. After 30 days o…
American Journal of Biology and Natural Sciences 19 Sep 2026

Assessment of Drinking Water Quality in School Tanks in the Holy Governorate of Karbala, Iraq

Aqeel Abbas Hamad
ISSN 2997-7185 Vol. 3 · No. 9 DOI
Abstract. This research was conducted to assess the water quality of school tanks. A total of 240 water samples were collected, distributed in 16 sites divided into four districts of the Holy Karbala Governorate, for a period of five months from October 2025 to February 2026. Physical and chemical …
American Journal of Biology and Natural Sciences 17 Sep 2026

Association Between Tobacco Exposure and Serum 25-Hydroxyvitamin D Concentrations in Adults Aged 20–40 Years: A Cross-Sectional Study

Fanar, Saif Mohammed
ISSN 2997-7185 Vol. 3 · No. 9 DOI
Abstract. The vitamin D status depends on a variety of behavioral, environmental, and biological factors. The observational studies suggested that cigarette smoking is associated with reduced circulating 25-hydroxyvitamin D [25(OH)D]. Objective: This study aimed to determine the relationship betwee…
American Journal of Biology and Natural Sciences 30 Apr 2026

Some Biological Features of Experimental Cows

Soyibjonov, A. T.; Khuzhamov, J. N.
ISSN 2997-7185 Vol. 3 · No. 4 DOI
Abstract. In this article, the clinical indicators and morphological characteristics of the blood of Holstein-bred black-and-white and Holstein breeds of different selections were studied and analyzed, and the adaptive properties of the organism were determined by the clinical and physiological ind…
American Journal of Biology and Natural Sciences 10 Sep 2026

Tannins Concentrations in Three Citrus Fruits in Nigeria Using GC-MS

Rose-Joy Chinyere Eguridu
ISSN 2997-7185 Vol. 3 · No. 9 DOI
Abstract. Tannins are polyphenolic compounds which are found in fruits and medicinal plants and are of importance. Although, tannins are nutritionally and medicinally important, little information is available on their presence in fruits commonly consumed in Rivers State, Nigeria. The current study…
American Journal of Biology and Natural Sciences 09 Sep 2026

The Impact of Pesticides on the Environment and Animal Organisms

Sultanova I. Yu.; Akhmadov A.; Jumanov B.; Tolibova Mukhlisa
ISSN 2997-7185 Vol. 3 · No. 9 DOI
Abstract. The article analyzes the comprehensive impact of pesticides on animal and human organisms as well as on the natural environment, based on modern scientific data. The main routes of entry of toxicants into the organism, their mechanisms of action, and the long-term consequences of chronic …
American Journal of Biology and Natural Sciences 08 Sep 2026

Genetic Basis of Autism Spectrum Disorder: A Review

Alkhafagy, Enas Muhsin Abbass; Alsahaf, Dena Mohammed; Khadir, Faris K.; Abdulhussein, Hiba A.
ISSN 2997-7185 Vol. 3 · No. 9 DOI
Abstract. Autism spectrum disorder (ASD) is a highly heritable neurodevelopmental condition, yet it is also markedly heterogeneous at the molecular level, with contributions ranging from rare, highly penetrant single-gene mutations and copy-number variants to common polymorphisms in genes encoding …
American Journal of Biology and Natural Sciences 30 Aug 2026

Growth and Productivity Response of Bread Wheat (Triticum aestivum L.) to the Interaction between Smart Irrigation and Conservation Agriculture under Heat and Drought Stress in Salah Al-Din Governorate

Atheer Saber Mustafa
ISSN 2997-7185 Vol. 3 · No. 8 DOI
Abstract. An integrated field and laboratory experiment was conducted during the agricultural season at the research fields of the College of Agriculture, University of Tikrit, Salah Al-Din Governorate (latitude 34.60° N, longitude 43.68° E), to evaluate the physiological and agronomic responses of…