Ar Mesdaghinia, S Nasseri, M Hadi, E Iravani, M Askari,
Volume 10, Issue 4 (3-2018)
Abstract
Background and Objective: Supply of safe drinking water to each community is one of the most important challenges in improving the general community’s health. Considering the importance of the research on water quality, identification of water quality research gaps was performed by reviewing the relevant studies through a systematic review for Iran.
Materials and Methods: In this study 638, 166, 300 and 1000 relevant articles were found on Scopus, SID, Magiran and Iranmedex databases, respectively. Out of 2104 articles, 1394 articles were excluded from the study. Finally, 710 articles were further reviewed.
Results: Monitoring of pollutants by a descriptive study was the main objective of the most studies (36.62%). Around 13% of the studies were performed on a laboratory scale. Organic pollutants in Iran have been concerned only in 17 provinces, and other provinces have not participated in this regard. Nitrate is studied in around one fifth of the total studies. Heavy metals were also considered as a parameter of concern in the studies carried out on monitoring drinking water resource quality.
Conclusion: This study reflects the research gaps and provides a basis for prioritizing water quality research in Iran. More actions and sound planning should be taken to monitor organic and inorganic pollutants. Chemical and microbial risk assessment, tracing the fate of pollutants and assessment of their ecological effects, investigations on advanced water purification processes, the use of bioremediation methods, identification of biological contaminant using biomarkers and molecular identification techniques are the most important research priorities that require more investigations.
A Atamaleki, N Naimi, Y Fakhri, H Sharifi Maleksari, H Nosrati, S Fallah,
Volume 12, Issue 4 (2-2020)
Abstract
Background and Objective: Nowadays, water shortage crisis leads to wastewater reuse in agriculture sector. The presence of pollutants such as heavy metal in wastewater results in the accumulation of them in vegetables, and it will finally be transferred to consumers and will have irreversible effects on their health. Therefore, the present study was performed to do a systematic review along with meta-analysis on heavy metal accumulation in mint plant that is irrigated with wastewater.
Materials and Methods: Related articles were collected from databases like SID, Magiran, Iranmedex, IranDoc, Embase, Medline, PubMed, Web of Science, Scopus, and Google scholar between 1982 and 2019 and the required data were extracted. Then, due to the heterogeneity of studies entered in the research, a random effect model was applied to analyze them using STATA 14 software. Non-carcinogenic risk was assessed for children and adults.
Results: According to the search results, 1693 articles were entered in the review process until the beginning of 2019 and finally only 12 articles were included in the research. According to the results of the meta-analysis, the order of the metals based on concentration (mg/kg) were: Zn > Ni > Cr > Cu > Pb > Cd. Also, based on the non-carcinogenic risk assessment results, mint consumption showed a significant health effects on children age group compared to adults, especially in India and Pakistan.
Conclusion: wastewater reuse in agriculture sector leads to increase concentration of metals in vegetables like mint. This increased the risk of non-carcinogenicity in the age groups, especially children. Therefore, it is recommended that continuous monitoring of irrigation sources, soils, and vegetables is done to prevent the transmission of these pollutants to the human food cycle.
Zahra Khodarahmi, Sakine Shekoohiyan, Mohsen Heidari,
Volume 16, Issue 4 (3-2024)
Abstract
Background and Objective: Given the concern about the presence of microplastics in the air and settled dust, and the lack of a standard approach for their detection, it is necessary to investigate the methods and techniques used to study this type of pollution in Iran. Therefore, this study aimed to systematically review the methods and techniques used for sampling, quantification, and characterization of microplastics in the air and settled dust in indoor and outdoor environments in Iran.
Materials and Methods: In this systematic review, the keywords Microplastic*, Air*, Atmosphere*, Dust, Indoor, Outdoor, Iran, and their corresponding Persian equivalents were searched until Dec 1, 2023, in Scopus, PubMed, Web of Science, Google Scholar, Magiran, and SID databases. Obtained articles from the databases were analyzed in order to find the eligible ones.
Results: Overall, 175 articles were found in the initial search, and after removing the duplicates and nonrelevant, 13 eligible articles were included in the study. In most of the studies, the samples were digested with H2O2, and the microplastics were mainly analyzed using a variety of microscopes and µRaman spectroscopy. The abundance of microplastics in the indoor environment was much higher than in the outdoor environment.
Conclusion: The results of this study showed that there is the required equipment for the sampling and analysis of microplastics in air and settled dust in Iran, and these pollutants have been detected in both indoor and outdoor environments.
