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 2021-09-01 to 2025-09-01.)

Article	Citations
High Blood Cu/Zn Ratio is Associated with Nutritional Risk in Patients Undergoing Maintenance Hemodialysis	292
High Levels of 25-OH-Vitamin D and Copper in Pregnant Women with Abnormal Glucose Challenge Test	155
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	99
Cross-sectional and Longitudinal Associations Between Metal Mixtures and Serum C3, C4: Result from the Manganese‑exposed Workers Healthy Cohort	81
Effects of Organic Zinc on the Growth Performance of Weanling Pigs: A Meta-analysis	80
Selenium Injection in Dam Rabbits During Gestation Has Important Effects on Progeny Productive Performance	57
Correction to: Evaluation of Cadmium or Lead Exposure with Nannochloropsis oculata Mitigation on Productive Performance, Biochemical, and Oxidative Stress Biomarkers in Barki Rams	55
Environmental Factors Influencing Metal Concentrations in Scomber colias Along the Canary Islands	54
Bioaccumulation of Lead and Mercury in Water, Sediment, and Fish Samples of Baraila Lake, Vaishali, Bihar	53
Aluminum Concentrations in Breast Milk Samples Obtained from Breastfeeding Women from a Resource-Limited Country: A Study of the Predicting Factors	52
Gallic Acid and Gallic Acid Nanoparticle Modulate Insulin Secretion Pancreatic β-Islets against Silica Nanoparticle–Induced Oxidative Damage	51
Total Blood Mercury Predicts Methylmercury Exposure in Fish and Shellfish Consumers	51
Dietary Calcium to Magnesium Ratio and Risk of Cardiovascular Diseases	51
Deterministic and Probabilistic Risk Assessment of Elemental Composition in Pistachios and Hazelnuts from Iran	48
Chrysin Encapsulated Copper Nanoparticles with Low Dose of Gamma Radiation Elicit Tumor Cell Death Through p38 MAPK/NF-κB Pathways	48
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	48
The Effect of Selenium on Endometrial Repair in Goats with Endometritis at High Cortisol Levels	48
Combined Effect of Gamma Radiation and Heavy Metals on Some Living Organisms	48
Associations of Serum Calcium, Magnesium Levels, and Their Ratio with Apolipoproteins in Chinese Adults with Coronary Artery Disease: a Cross-Sectional Study	45
Assessing Trace Metal-Based Human Health Risks for Commonly Used Body Soaps in Bangladesh	42
Hydrogen-Rich Water Alleviates the Nickel-Induced Toxic Responses (Inflammatory Responses, Oxidative Stress, DNA Damage) and Ameliorates Cocoon Production in Earthworm	41
Dietary Copper Intake and Risk of Parkinson’s Disease: a Cross-sectional Study	39
Association between Heavy Metals and Trace Elements in Cancerous and Non-cancerous Tissues with the Risk of Colorectal Cancer Progression in Northwest China	36
Elemental Composition of Pheochromocytoma Resolved on Solid/Adrenal Tissue and Whole Blood Level	36
Selenium Deficiency Induces Inflammatory Response and Decreased Antimicrobial Peptide Expression in Chicken Jejunum Through Oxidative Stress	36

Effect of Organic Selenium Supplementation on the Antioxidant Status, Immune Response, and the Relative Expression of IL-2 and IFN-γ Genes in Ewes During the Hot Season	35
Low-Dose Hexavalent Chromium Exposure Induces Endoplasmic Reticulum Stress-Mediated Apoptosis in Rat Liver	34
Association of Exposure to Heavy Metal Mixtures with Systemic Immune-Inflammation Index Among US Adults in NHANES 2011–2016	34
Lamb Performance and Meat Quality: The Impact of Chromium in High-Concentrate Diets and Its Molecular Effects on Skeletal Muscle During Finishing Phase	34
Environmental Cadmium Exposure Exacerbated Bone Loss in NAFLD Mice	32
Enhanced Extracellular Matrix Degradation in Growth Plate Contributes to Manganese Deficiency-Induced Tibial Dyschondroplasia in Broiler Chicks	31
Dietary Exposure to Toxic Metals (Cd, Pb and Hg) from Cereals Marketed in Madeira and the Azores	31
Association Between Multiple Metal(loid)s Exposure and Blood Lipid Levels: Evidence from a Cross-Sectional Study of Southeastern China	31
Analysis of Heavy Metal Characteristics and Health Risk Assessment of Dried Fish Marketed in Guangzhou, China	31