OOIR: Observatory of International Research

Papers

(The H4-Index of Environmental Chemistry Letters is 75. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Methods to monitor the defects of the drainage pipe network: a review	872
Concentration, sources, influencing factors and hazards of heavy metals in indoor and outdoor dust: A review	669
Indirect contamination of cockroaches by anticoagulant rodenticides	647
Machine learning to predict the production of bio-oil, biogas, and biochar by pyrolysis of biomass: a review	584
Enhanced hydrogen storage efficiency with sorbents and machine learning: a review	521
Nano-sized natural organic matter interacts with bisphenol A and decreases cytotoxicity to human cells	457
Seaweed for climate mitigation, wastewater treatment, bioenergy, bioplastic, biochar, food, pharmaceuticals, and cosmetics: a review	327
Neutral pH, multioxidants Fenton oxidation of dimethyl sulfoxide and acetamidophenol as water pollutant models	319
Penetration of submicron amino-functionalized graphene quantum dots in plant stomata, implication for the depollution of atmospheric soot particles	314
Effect of humic substances on the anaerobic digestion of secondary sludge in wastewater treatment plants: a review	306
High-resolution imaging of Hg/Se aggregates in the brain of small Indian mongoose, a wild terrestrial species: insights into intracellular Hg detoxification	291
Unrecognized pollution by inorganic condensable particulate matter in the atmosphere	288
Are bioplastics an ecofriendly alternative to fossil fuel plastics?	268
Electrochemical conversion of biomass-derived aldehydes into fine chemicals and hydrogen: A review	268
The revival of cyclodextrins as active pharmaceutical ingredients	268
Photocatalytic inactivation and disinfection of bioaerosols: a review	260
Multi-elemental compound-specific isotope analysis of pesticides for source identification and monitoring of degradation in soil: a review	259
Synthesis and applications of carbon quantum dots derived from biomass waste: a review	237
Hydrogen, ammonia and methanol for marine transportation	236
Carbon dioxide separation and capture by adsorption: a review	235
Efficient analysis of metabolites of industrial additives in cerebrospinal fluids	231
Phosphorus adsorption by functionalized biochar: a review	220
A novel hydrothermal method to synthesize brookite titanium dioxide nanosquares for efficient pollutant degradation	215
Highly efficient thermo-photocatalytic degradation of tetracycline catalyzed by tungsten disulfide under visible light	185
Effect of combined cadmium and doxycycline pollution on the nitrogen cycle in constructed ditch wetlands	180

Hydrogen and biodiesel production from food waste: a review	176
Effects of pollutant toxicity on the eyes of aquatic life monitored by visual dysfunction in zebrafish: a review	160
Dioxins and furans in biochars, hydrochars and torreficates produced by thermochemical conversion of biomass: a review	158
Synthesis of branched allylic sulfones by regioselective boron-catalysed hydrosulfonylation	158
Energy production from farming waste: a review	157
Microplastics alter crystal growth in coral skeleton structures	157
Environmentally benign techniques of lithium extraction from salt lakes: a review	152
Microplastic characteristics, transport, risks, and remediation in groundwater: a review	148
Biochar-clay, biochar-microorganism and biochar-enzyme composites for environmental remediation: a review	144
Recycling municipal, agricultural and industrial waste into energy, fertilizers, food and construction materials, and economic feasibility: a review	141
Bioenergy production from chicken manure: a review	140
Spatial distribution, pollution characteristics, and health risks of antibiotic resistance genes in China: a review	139
4-Nonylphenol adsorption, environmental impact and remediation: a review	136
Microwave resonance enhanced CO2 reduction using biochar	134
Rapid conversion of carbon dioxide into titanium carbide by atmospheric microwave plasma	122
Adverse prognosis of nasopharyngeal carcinoma following long-term exposure to multiple air pollutants	117
The dual role of tropospheric ozone in controlling COVID-19 outbreaks	117
Solidification and removal of impurities from phosphogypsum for road applications: a review	114
Supramolecular deep eutectic solvents in extraction processes: a review	113
Detection of multiple metal ions in water with a fluorescence sensor based on carbon quantum dots assisted by stepwise prediction and machine learning	112
Biofuel production by co-pyrolysis of sewage sludge and other materials: a review	111
Room-temperature and carbon-negative production of biodiesel via synergy of geminal-atom and photothermal catalysis	109
Advanced adsorbents for ibuprofen removal from aquatic environments: a review	105
China’s sponge cities alleviate urban flooding and water shortage: a review	104
Occurrence, transformation, bioaccumulation, risk and analysis of pharmaceutical and personal care products from wastewater: a review	104
Chitosan-based beads as sustainable adsorbents for wastewater remediation: a review	103
Validation of methods for enriching and detecting SARS-CoV-2 RNA in wastewater	100
Correction to: Pesticide resurrection	100
Correction: Dioxins and furans in biochars, hydrochars and torreficates produced by thermochemical conversion of biomass: a review	100
Improved electricity production and nitrogen enrichment during the treatment of black water using manganese ore-modified anodes	97
Connecting records of global-to-regional climate	95
Production and growth of microalgae in urine and wastewater: A review	93
Enhanced stability and coke resistance in methanol to olefins reaction using fibrous silica-wrapped silicoaluminophosphate zeolite	92
Unanswered questions on the airborne transmission of COVID-19	91
Electrochemical reduction of carbon dioxide into valuable chemicals: a review	90
Strategies and considerations to green analytical separations: a review	90
Recycling of bast textile wastes into high value-added products: a review	86
Interfacial-engineered CoTiO3-based composite for photocatalytic applications: a review	86
Metal oxide nanobiochar materials to remediate heavy metal and dye pollution: a review	86
Ocean iron fertilization for carbon dioxide removal and climate change mitigation	85
Cognitive impairment and dementia by pollutant exposure: a review	83
Boron nitride nanomaterials for environmental remediation, energy, and sensing: a review	82
Biomaterials technology and policies in the building sector: a review	82
Cost, environmental impact, and resilience of renewable energy under a changing climate: a review	80
Materials for sustainable metallic iron-based water filters: a review	79
Microplastic environmental behavior and health risk assessment: a review	79
Accumulation and fate of microplastics in soils after application of biosolids on land: A review	78
Metal nanowires for transparent conductive electrodes in flexible chromatic devices: a review	77
Dyes removal from water using polymeric nanocomposites: a review	76
Nanoplastics are potentially more dangerous than microplastics	75