OOIR: Observatory of International Research

Papers

(The H4-Index of Biological Trace Element Research is 31. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-08-01 to 2025-08-01.)

Article	Citations
High Blood Cu/Zn Ratio is Associated with Nutritional Risk in Patients Undergoing Maintenance Hemodialysis	271
Mitochondrion Participated in Effect Mechanism of Manganese Poisoning on Heat Shock Protein and Ultrastructure of Testes in Chickens	147
Enhanced Extracellular Matrix Degradation in Growth Plate Contributes to Manganese Deficiency-Induced Tibial Dyschondroplasia in Broiler Chicks	91
High Levels of 25-OH-Vitamin D and Copper in Pregnant Women with Abnormal Glucose Challenge Test	77
Evolution of Vitamin D Status and Vitamin D Receptor Gene Expression Among Professional Handball Athletes During a Competitive Period. Relationship with Body Composition, Calcium, Magnesium and Phosph	76
Microchemistry of Single Hair Strands Below and Above the Scalp: Impacts of External Contamination on Cuticle and Cortex Layers	66
Effects of Organic Zinc on the Growth Performance of Weanling Pigs: A Meta-analysis	55
Cross-sectional and Longitudinal Associations Between Metal Mixtures and Serum C3, C4: Result from the Manganese‑exposed Workers Healthy Cohort	55
Selenium Injection in Dam Rabbits During Gestation Has Important Effects on Progeny Productive Performance	53
Correction to: Evaluation of Cadmium or Lead Exposure with Nannochloropsis oculata Mitigation on Productive Performance, Biochemical, and Oxidative Stress Biomarkers in Barki Rams	52
ZnT 9 Involvement in Estradiol-Modulated Zinc Homeostasis of the Human Follicular Microenvironment	52
Elemental Analysis of Basella alba, Spinacia oleracea, Abelmoschus esculentus (L.), Ipomoea aquatica, Colocasia esculenta, Amaranthus dubius, and Raphanus sativus Vegetables Using the PIXE Technique i	51
Environmental Factors Influencing Metal Concentrations in Scomber colias Along the Canary Islands	50
Bioaccumulation of Lead and Mercury in Water, Sediment, and Fish Samples of Baraila Lake, Vaishali, Bihar	48
Aluminum Concentrations in Breast Milk Samples Obtained from Breastfeeding Women from a Resource-Limited Country: A Study of the Predicting Factors	47
Total Blood Mercury Predicts Methylmercury Exposure in Fish and Shellfish Consumers	47
Centella asiatica Alleviates AlCl3-induced Cognitive Impairment, Oxidative Stress, and Neurodegeneration by Modulating Cholinergic Activity and Oxidative Burden in Rat Brain	45
Gallic Acid and Gallic Acid Nanoparticle Modulate Insulin Secretion Pancreatic β-Islets against Silica Nanoparticle–Induced Oxidative Damage	45
Manganese Mitigates Heat Stress–Induced Apoptosis by Alleviating Endoplasmic Reticulum Stress and Activating the NRF2/SOD2 Pathway in Primary Chick Embryonic Myocardial Cells	45
Dietary Calcium to Magnesium Ratio and Risk of Cardiovascular Diseases	43
Effect of Seasonality on the Contamination of Mussels (Perna perna) and Swimming Crabs (Achelous spinimanus) by Essential and Toxic Metals and the Health Risks of the Consumer Population on the Southe	43
Deterministic and Probabilistic Risk Assessment of Elemental Composition in Pistachios and Hazelnuts from Iran	40
Combined Effect of Gamma Radiation and Heavy Metals on Some Living Organisms	40
Chrysin Encapsulated Copper Nanoparticles with Low Dose of Gamma Radiation Elicit Tumor Cell Death Through p38 MAPK/NF-κB Pathways	36
Assessing Trace Elements Bioaccumulation in Coastal River Fish and Shellfish: Implications for Human Health and Risk Evaluation	36

The Effect of Selenium on Endometrial Repair in Goats with Endometritis at High Cortisol Levels	36
Methods for the Preparation of Silica and Its Nanoparticles from Different Natural Sources	35
Associations of Serum Calcium, Magnesium Levels, and Their Ratio with Apolipoproteins in Chinese Adults with Coronary Artery Disease: a Cross-Sectional Study	35
Screening of Selenium/Glutathione-Enriched Candida utilis and Its Anti-inflammatory and Antioxidant Activities in Mice	33
Examining of Heavy Metal Concentrations in Hookah Smokers	32
Assessing Trace Metal-Based Human Health Risks for Commonly Used Body Soaps in Bangladesh	32
Hydrogen-Rich Water Alleviates the Nickel-Induced Toxic Responses (Inflammatory Responses, Oxidative Stress, DNA Damage) and Ameliorates Cocoon Production in Earthworm	31
Elemental Composition of Pheochromocytoma Resolved on Solid/Adrenal Tissue and Whole Blood Level	31
Dietary Copper Intake and Risk of Parkinson’s Disease: a Cross-sectional Study	31