OOIR: Observatory of International Research

Papers

(The H4-Index of Environmental Chemistry Letters is 76. 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 2022-08-01 to 2026-08-01.)

Article	Citations
Indirect contamination of cockroaches by anticoagulant rodenticides	929
Nano-sized natural organic matter interacts with bisphenol A and decreases cytotoxicity to human cells	722
Methods to monitor the defects of the drainage pipe network: a review	703
Concentration, sources, influencing factors and hazards of heavy metals in indoor and outdoor dust: A review	663
Enhanced hydrogen storage efficiency with sorbents and machine learning: a review	577
Machine learning to predict the production of bio-oil, biogas, and biochar by pyrolysis of biomass: a review	509
Seaweed for climate mitigation, wastewater treatment, bioenergy, bioplastic, biochar, food, pharmaceuticals, and cosmetics: a review	341
Neutral pH, multioxidants Fenton oxidation of dimethyl sulfoxide and acetamidophenol as water pollutant models	338
Penetration of submicron amino-functionalized graphene quantum dots in plant stomata, implication for the depollution of atmospheric soot particles	323
Effect of humic substances on the anaerobic digestion of secondary sludge in wastewater treatment plants: a review	312
Unrecognized pollution by inorganic condensable particulate matter in the atmosphere	311
The revival of cyclodextrins as active pharmaceutical ingredients	292
High-resolution imaging of Hg/Se aggregates in the brain of small Indian mongoose, a wild terrestrial species: insights into intracellular Hg detoxification	290
Photocatalytic inactivation and disinfection of bioaerosols: a review	285
Efficient analysis of metabolites of industrial additives in cerebrospinal fluids	283
Synthesis and applications of carbon quantum dots derived from biomass waste: a review	256
Carbon dioxide separation and capture by adsorption: a review	256
Electrochemical conversion of biomass-derived aldehydes into fine chemicals and hydrogen: A review	252
Hydrogen, ammonia and methanol for marine transportation	248
Are bioplastics an ecofriendly alternative to fossil fuel plastics?	247
Phosphorus adsorption by functionalized biochar: a review	229
Effect of combined cadmium and doxycycline pollution on the nitrogen cycle in constructed ditch wetlands	200
Synthesis of branched allylic sulfones by regioselective boron-catalysed hydrosulfonylation	193
Highly efficient thermo-photocatalytic degradation of tetracycline catalyzed by tungsten disulfide under visible light	187
Energy production from farming waste: a review	185

Hydrogen and biodiesel production from food waste: a review	182
Biochar-clay, biochar-microorganism and biochar-enzyme composites for environmental remediation: a review	171
4-Nonylphenol adsorption, environmental impact and remediation: a review	168
Spatial distribution, pollution characteristics, and health risks of antibiotic resistance genes in China: a review	167
A novel hydrothermal method to synthesize brookite titanium dioxide nanosquares for efficient pollutant degradation	166
Microplastics alter crystal growth in coral skeleton structures	161
Bioenergy production from chicken manure: a review	160
Dioxins and furans in biochars, hydrochars and torreficates produced by thermochemical conversion of biomass: a review	160
Microplastic characteristics, transport, risks, and remediation in groundwater: a review	151
Environmentally benign techniques of lithium extraction from salt lakes: a review	149
Effects of pollutant toxicity on the eyes of aquatic life monitored by visual dysfunction in zebrafish: a review	147
Recycling municipal, agricultural and industrial waste into energy, fertilizers, food and construction materials, and economic feasibility: a review	142
Microwave resonance enhanced CO2 reduction using biochar	138
The dual role of tropospheric ozone in controlling COVID-19 outbreaks	129
Rapid conversion of carbon dioxide into titanium carbide by atmospheric microwave plasma	129
Adverse prognosis of nasopharyngeal carcinoma following long-term exposure to multiple air pollutants	124
Room-temperature and carbon-negative production of biodiesel via synergy of geminal-atom and photothermal catalysis	118
Microplastic pollution of natural wetlands by reclaimed water	118
Supramolecular deep eutectic solvents in extraction processes: a review	115
Solidification and removal of impurities from phosphogypsum for road applications: a review	112
Biofuel production by co-pyrolysis of sewage sludge and other materials: a review	111
China’s sponge cities alleviate urban flooding and water shortage: a review	110
Advanced adsorbents for ibuprofen removal from aquatic environments: a review	110
Chitosan-based beads as sustainable adsorbents for wastewater remediation: a review	109
Occurrence, transformation, bioaccumulation, risk and analysis of pharmaceutical and personal care products from wastewater: a review	107
Correction to: Pesticide resurrection	105
Correction: Dioxins and furans in biochars, hydrochars and torreficates produced by thermochemical conversion of biomass: a review	103
Improved electricity production and nitrogen enrichment during the treatment of black water using manganese ore-modified anodes	101
Production and growth of microalgae in urine and wastewater: A review	100
Enhanced stability and coke resistance in methanol to olefins reaction using fibrous silica-wrapped silicoaluminophosphate zeolite	96
Ocean iron fertilization for carbon dioxide removal and climate change mitigation	94
Connecting records of global-to-regional climate	94
Recycling of bast textile wastes into high value-added products: a review	94
Cognitive impairment and dementia by pollutant exposure: a review	92
Validation of methods for enriching and detecting SARS-CoV-2 RNA in wastewater	90
Boron nitride nanomaterials for environmental remediation, energy, and sensing: a review	88
Strategies and considerations to green analytical separations: a review	87
Electrochemical reduction of carbon dioxide into valuable chemicals: a review	85
Unanswered questions on the airborne transmission of COVID-19	85
Microplastic environmental behavior and health risk assessment: a review	84
Cost, environmental impact, and resilience of renewable energy under a changing climate: a review	84
Biomaterials technology and policies in the building sector: a review	83
Metal oxide nanobiochar materials to remediate heavy metal and dye pollution: a review	83
Coupled biological and chemical catalysis for jet biofuel production: a review	82
Rapid excretion of raw microplastics and longer persistence of fragmented microplastics in the quail digestive system	82
Materials for sustainable metallic iron-based water filters: a review	80
Nanoplastics occurrence, detection methods, and impact on the nitrogen cycle: a review	80
Accumulation and fate of microplastics in soils after application of biosolids on land: A review	79
Analysis of psychoactive substances and metabolites in sludges, soils, sediments and biota: a review	79
Precise engineering of atomic sites on carbon nitride for carbon dioxide photoreduction from single-atom to multi-atom: a review	79

Cyanobacteria for environmental, energy and biomedical application: a review	76
Subcritical water conversion of biomass to biofuels, chemicals and materials: a review	76