OOIR: Observatory of International Research

Papers

(The H4-Index of Frontiers of Environmental Science & Engineering is 32. 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
Emergence of gasoline as a cheap and effective solvent for recycling shelf-stable multi-layer aseptic cartons	112
Relationship between groundwater cadmium and vicinity resident urine cadmium levels in the non-ferrous metal smelting area, China	81
Recent advances in microplastics research: impacts on mammalian sperm and reproductive health	75
Microplastics in municipal wastewater treatment plants: a case study of Denizli/Turkey	72
Appraisal of pollution and health risks associated with coal mine contaminated soil using multimodal statistical and Fuzzy-TOPSIS approaches	71
Insights into the changes of amino acids, microbial community, and enzymatic activities related with the nutrient quality of product during the composting of food waste	70
NiB2O4 (B = Mn or Co) catalysts for NH3-SCR of NOx at low-temperature in microwave field	67
Adsorption of herring sperm DNA onto pine sawdust biochar: Thermodynamics and site energy distribution	65
Analysis of the spatiotemporal evolution and drivers of environmental inequality based on well-being equity: evidence from Western China	57
Photoaging mechanism of microplastics: a perspective on the effect of dissolved organic matter in natural water	55
Spatial prediction of soil contamination based on machine learning: a review	53
Enrichment and transfer of polycyclic aromatic hydrocarbons (PAHs) through dust aerosol generation from soil to the air	53
A critical review of antibiotic resistance genes transmission driven by non-antibiotic pollutants: roles and molecular mechanisms	51
Effects of iron-oxidizing bacteria and humic acid of various molecular weights on iron corrosion in drinking water distribution systems	49
Mitigating microbiological risks of potential pathogens carrying antibiotic resistance genes and virulence factors in receiving rivers: Benefits of wastewater treatment plant upgrade	44
Leveraging 3D printing in microbial electrochemistry research: current progress and future opportunities	43
A novel deep learning framework with variational auto-encoder for indoor air quality prediction	42
Elucidate long-term changes of ozone in Shanghai based on an integrated machine learning method	40
Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:1 to 14:1) for simultaneous C & N removal	38
Biocide-resistant Klebsiella quasipneumoniae in seawater cooled system: a reservoir of efflux pumps driving cross-resistance to biocides and antibiotics	37
Monitoring fossil fuel CO2 emissions from co-emitted NO2 observed from space: progress, challenges, and future perspectives	36
Portable fluorescence instrument for detecting membrane integrity in membrane bioreactor (MBR)	35
An antibiotic composite electrode for improving the sensitivity of electrochemically active biofilm biosensor	35
Occurrence, region-specific distribution and potential source of legacy and novel per- and polyfluoroalkyl substances in grassland soils from remote pastoral areas, China	35
Impact factors and pathways of halonitromethanes formation from aspartic acid during LED-UV265/chlorine disinfection	35

Conductive and stable polyphenylene/CNT composite membrane for electrically enhanced membrane fouling mitigation	34
Removal of endocrine disrupting chemicals from water through urethane functionalization of microfiltration membranes via electron beam irradiation	33
Thermal degradation and hydrolysis depolymerization of printing ink components for plastic packaging in recycling processes: a review	33
Rapid monitoring of indoor airborne influenza and coronavirus with high air flowrate electrostatic sampling and PCR analysis	33
Cadmium removal mechanistic comparison of three Fe-based nanomaterials: Water-chemistry and roles of Fe dissolution	32
Microbial biodegradation of plastics: Challenges, opportunities, and a critical perspective	32
Research progress and prospects of complete ammonia oxidizing bacteria in wastewater treatment	32