OOIR: Observatory of International Research

Papers

(The H4-Index of Biological Trace Element Research is 33. 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 2021-11-01 to 2025-11-01.)

Article	Citations
Selenium Injection in Dam Rabbits During Gestation Has Important Effects on Progeny Productive Performance	336
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	164
Cross-sectional and Longitudinal Associations Between Metal Mixtures and Serum C3, C4: Result from the Manganese‑exposed Workers Healthy Cohort	122
Effects of Organic Zinc on the Growth Performance of Weanling Pigs: A Meta-analysis	88
High Blood Cu/Zn Ratio is Associated with Nutritional Risk in Patients Undergoing Maintenance Hemodialysis	85
Environmental Factors Influencing Metal Concentrations in Scomber colias Along the Canary Islands	63
Bioaccumulation of Lead and Mercury in Water, Sediment, and Fish Samples of Baraila Lake, Vaishali, Bihar	61
Correction to: Evaluation of Cadmium or Lead Exposure with Nannochloropsis oculata Mitigation on Productive Performance, Biochemical, and Oxidative Stress Biomarkers in Barki Rams	60
Aluminum Concentrations in Breast Milk Samples Obtained from Breastfeeding Women from a Resource-Limited Country: A Study of the Predicting Factors	58
Screening of Selenium/Glutathione-Enriched Candida utilis and Its Anti-inflammatory and Antioxidant Activities in Mice	57
ZnT 9 Involvement in Estradiol-Modulated Zinc Homeostasis of the Human Follicular Microenvironment	54
Overweight and Obesity Are Positively Associated with Serum Copper Levels in Mexican Schoolchildren	54
Examining of Heavy Metal Concentrations in Hookah Smokers	52
Selenium Deficiency Induces Inflammatory Response and Decreased Antimicrobial Peptide Expression in Chicken Jejunum Through Oxidative Stress	52
Microchemistry of Single Hair Strands Below and Above the Scalp: Impacts of External Contamination on Cuticle and Cortex Layers	52
Dietary Calcium to Magnesium Ratio and Risk of Cardiovascular Diseases	49
Effect of an Established Nutritional Level of Selenium on Energy Metabolism and Gene Expression in the Liver of Rainbow Trout	49
Methods for the Preparation of Silica and Its Nanoparticles from Different Natural Sources	48
Neurodevelopmental Consequences of Dietary Zinc Deficiency: A Status Report	41
Centella asiatica Alleviates AlCl3-induced Cognitive Impairment, Oxidative Stress, and Neurodegeneration by Modulating Cholinergic Activity and Oxidative Burden in Rat Brain	41
Dietary Exposure to Toxic Metals (Cd, Pb and Hg) from Cereals Marketed in Madeira and the Azores	39
Chrysin Encapsulated Copper Nanoparticles with Low Dose of Gamma Radiation Elicit Tumor Cell Death Through p38 MAPK/NF-κB Pathways	38
Analysis of Heavy Metal Characteristics and Health Risk Assessment of Dried Fish Marketed in Guangzhou, China	37
The Effect of Selenium on Endometrial Repair in Goats with Endometritis at High Cortisol Levels	37
Combined Effect of Gamma Radiation and Heavy Metals on Some Living Organisms	37

Low-Dose Hexavalent Chromium Exposure Induces Endoplasmic Reticulum Stress-Mediated Apoptosis in Rat Liver	37
Dietary Copper Intake and Risk of Parkinson’s Disease: a Cross-sectional Study	35
Environmental Cadmium Exposure Exacerbated Bone Loss in NAFLD Mice	34
Association Between Multiple Metal(loid)s Exposure and Blood Lipid Levels: Evidence from a Cross-Sectional Study of Southeastern China	34
Mitochondrion Participated in Effect Mechanism of Manganese Poisoning on Heat Shock Protein and Ultrastructure of Testes in Chickens	34
Association of Exposure to Heavy Metal Mixtures with Systemic Immune-Inflammation Index Among US Adults in NHANES 2011–2016	33
Gallic Acid and Gallic Acid Nanoparticle Modulate Insulin Secretion Pancreatic β-Islets against Silica Nanoparticle–Induced Oxidative Damage	33
Association between Heavy Metals and Trace Elements in Cancerous and Non-cancerous Tissues with the Risk of Colorectal Cancer Progression in Northwest China	33
Nanocidal Effect of Rice Husk–Based Silver Nanoparticles on Antioxidant Enzymes of Aphid	33