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Jelajahi riset dari American Journal of Biology and Natural Sciences

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Jurnal: American Journal of Biology and Natural Sciences Hapus filter
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13 Jurnal terhubung

Riset dari American Journal of Biology and Natural Sciences

260 artikel ditemukan
American Journal of Biology and Natural Sciences 30 Apr 2026

Effect of Different Plant Training Methods on the Duration of Phenological Stages in Open-Ground Cucumber Cultivated on Wire Trellises

Sokhib Musurmonovich Turaev; Farkhod Olimovich Bolikulov
ISSN 2997-7185 Vol. 3 · No. 4 DOI
Abstrak. This article analyzes the effect of plant training (shaping) on plant productivity when cultivating cucumbers using the wire trellis method. In the experiment, plants were managed by leaving the main stem, one side shoot, two side shoots, and three side shoots. The results showed that whe…
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
Abstrak. 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
Abstrak. 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
Abstrak. 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
Abstrak. 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
Abstrak. 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
Abstrak. 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
Abstrak. 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
Abstrak. 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
Abstrak. 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 …