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Molecular detection of E. coli and Vibrio cholerae in ballast water of commercial ships: a primary study along the Persian Gulf
ConclusionsFurther studies are highly recommended to monitor other aquatic organisms in ballast water to protect the marine environment. (Source: Journal of Environmental Health Science and Engineering)
Source: Journal of Environmental Health Science and Engineering - February 3, 2021 Category: Environmental Health Source Type: research

Estimating ground-level PM 2.5 concentrations by developing and optimizing machine learning and statistical models using 3  km MODIS AODs: case study of Tehran, Iran
ConclusionsWhile the best shape of LME and GPM had similar and reliable performances in predicting ground-level PM2.5 values during the cross-validation, GPM was able to predict extreme values of ground-level PM2.5 concentrations, which was the weakness of LME models and was an important issue in urban polluted environments. In this respect, GPM could be a good alternative for LME models for high levels of PM2.5 concentrations. The spatial distribution of estimated PM2.5 values represented that central parts of Tehran were the most polluted area over the studied region which was consistent with the ground-level recording P...
Source: Journal of Environmental Health Science and Engineering - February 2, 2021 Category: Environmental Health Source Type: research

The potential of trace elements mapping in child ’s natal tooth by laser ablation-ICPMS method
ConclusionsAnalyses of deciduous enamel can provide answers into individuals ’ earliest development, including critical pre- and perinatal period. (Source: Journal of Environmental Health Science and Engineering)
Source: Journal of Environmental Health Science and Engineering - February 1, 2021 Category: Environmental Health Source Type: research

Synthesis and characterizations of hybrid PEG-Fe 3 O 4 nanoparticles for the efficient adsorptive removal of dye and antibacterial, and antibiofilm applications
ConclusionThe investigation denotes the versatile applications of the prepared particles for removing the dye stuffs from industrial effluents and as antibacterial and antibiofilm agent. (Source: Journal of Environmental Health Science and Engineering)
Source: Journal of Environmental Health Science and Engineering - January 28, 2021 Category: Environmental Health Source Type: research

Characterization of the biosurfactant produced by Pesudomonas areuginosa strain R 4 and its application for remediation pyrene-contaminated soils
AbstractA biosurfactant producing strain was isolated and the rhamnolipid type biosurfactant was extracted for soil washing of a synthetically and naturally hydrocarbon-contaminated soil. Following the primary screening,Pseudomonas aeruginosa strain R4 was selected and the effect of the carbon and nitrogen source and the salinity on biosurfactant production was studied. Of the best results were observed for glucose as a carbon source, NH4Cl as a nitrogen source and salinity of 1.4%. The produced biosurfactant was a glycolipid type biosurfactant and reduced the surface tension to 32.5 mN/m with a critical micelle concentrat...
Source: Journal of Environmental Health Science and Engineering - January 27, 2021 Category: Environmental Health Source Type: research