OOIR: Observatory of International Research

Papers

(The H4-Index of Biological Trace Element Research is 34. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Selenium Injection in Dam Rabbits During Gestation Has Important Effects on Progeny Productive Performance	375
Cross-sectional and Longitudinal Associations Between Metal Mixtures and Serum C3, C4: Result from the Manganese‑exposed Workers Healthy Cohort	140
Effects of Organic Zinc on the Growth Performance of Weanling Pigs: A Meta-analysis	95
High Blood Cu/Zn Ratio is Associated with Nutritional Risk in Patients Undergoing Maintenance Hemodialysis	90
Environmental Factors Influencing Metal Concentrations in Scomber colias Along the Canary Islands	73
Bioaccumulation of Lead and Mercury in Water, Sediment, and Fish Samples of Baraila Lake, Vaishali, Bihar	68
Correction to: Evaluation of Cadmium or Lead Exposure with Nannochloropsis oculata Mitigation on Productive Performance, Biochemical, and Oxidative Stress Biomarkers in Barki Rams	67
Assessing Trace Metal-Based Human Health Risks for Commonly Used Body Soaps in Bangladesh	65
Neurodevelopmental Consequences of Dietary Zinc Deficiency: A Status Report	62
Analysis of Heavy Metal Characteristics and Health Risk Assessment of Dried Fish Marketed in Guangzhou, China	59
Gallic Acid and Gallic Acid Nanoparticle Modulate Insulin Secretion Pancreatic β-Islets against Silica Nanoparticle–Induced Oxidative Damage	57
Assessing Trace Elements Bioaccumulation in Coastal River Fish and Shellfish: Implications for Human Health and Risk Evaluation	56
Selenium Deficiency Induces Inflammatory Response and Decreased Antimicrobial Peptide Expression in Chicken Jejunum Through Oxidative Stress	55
Low-Dose Hexavalent Chromium Exposure Induces Endoplasmic Reticulum Stress-Mediated Apoptosis in Rat Liver	54
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	54
ZnT 9 Involvement in Estradiol-Modulated Zinc Homeostasis of the Human Follicular Microenvironment	51
Overweight and Obesity Are Positively Associated with Serum Copper Levels in Mexican Schoolchildren	44
Aluminum Concentrations in Breast Milk Samples Obtained from Breastfeeding Women from a Resource-Limited Country: A Study of the Predicting Factors	42
Association between Heavy Metals and Trace Elements in Cancerous and Non-cancerous Tissues with the Risk of Colorectal Cancer Progression in Northwest China	40
Combined Effect of Gamma Radiation and Heavy Metals on Some Living Organisms	39
Association Between Multiple Metal(loid)s Exposure and Blood Lipid Levels: Evidence from a Cross-Sectional Study of Southeastern China	39
Nanocidal Effect of Rice Husk–Based Silver Nanoparticles on Antioxidant Enzymes of Aphid	38
Examining of Heavy Metal Concentrations in Hookah Smokers	38
The Effect of Selenium on Endometrial Repair in Goats with Endometritis at High Cortisol Levels	38
Microchemistry of Single Hair Strands Below and Above the Scalp: Impacts of External Contamination on Cuticle and Cortex Layers	38

Dietary Exposure to Toxic Metals (Cd, Pb and Hg) from Cereals Marketed in Madeira and the Azores	37
Methods for the Preparation of Silica and Its Nanoparticles from Different Natural Sources	37
Centella asiatica Alleviates AlCl3-induced Cognitive Impairment, Oxidative Stress, and Neurodegeneration by Modulating Cholinergic Activity and Oxidative Burden in Rat Brain	36
Mitochondrion Participated in Effect Mechanism of Manganese Poisoning on Heat Shock Protein and Ultrastructure of Testes in Chickens	36
Environmental Cadmium Exposure Exacerbated Bone Loss in NAFLD Mice	36
Association of Exposure to Heavy Metal Mixtures with Systemic Immune-Inflammation Index Among US Adults in NHANES 2011–2016	36
Screening of Selenium/Glutathione-Enriched Candida utilis and Its Anti-inflammatory and Antioxidant Activities in Mice	35
Chrysin Encapsulated Copper Nanoparticles with Low Dose of Gamma Radiation Elicit Tumor Cell Death Through p38 MAPK/NF-κB Pathways	35
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
Retraction Note: Effects of Cadmium Chloride and Sodium Selenite Alone or in Combination on the Liver of Male Sprague–Dawley Rats Assessed by Different Assays	34
Dietary Copper Intake and Risk of Parkinson’s Disease: a Cross-sectional Study	34