A comprehensive review on environmental transformation of selenium: recent advances and research perspectives

Date

2019-04-01

Author

Ullah, Habib
Liu, Guijian
Yousaf, Balal
Ali, Muhammad Ubaid
Irshad, Samina
Abbas, Qumber
Ahmad, Rafay

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

111
views

0
downloads

Selenium (Se) is an important micronutrient and essential trace element for both humans and animals, which exist in the environment ubiquitously. Selenium deficiency is an important issue worldwide, with various reported cases of its deficiency. Low selenium contents in some specific terrestrial environments have resulted in its deficiency in humans. However, high levels of selenium in the geochemical environment may have harmful influences and can cause a severe toxicity to living things. Due to its extremely narrow deficiency and toxicity limits, selenium is becoming a serious matter of discussion for the scientists who deals with selenium-related environmental and health issues. Based on available relevant literature, this review provides a comprehensive data about Se sources, levels, production and factors affecting selenium bioavailability/speciation in soil, characteristics of Se, biogeochemical cycling, deficiency and toxicity, and its environmental transformation to know the Se distribution in the environment. Further research should focus on thoroughly understanding the concentration, speciation, Se cycling in the environment and food chain to effectively utilize Se resources, remediate Se deficiency/toxicity, and evaluate the Se states and eco-effects on human health.

URI

https://hdl.handle.net/11511/89951

Journal

ENVIRONMENTAL GEOCHEMISTRY AND HEALTH

DOI

https://doi.org/10.1007/s10653-018-0195-8

Collections

Department of Environmental Engineering, Article

Suggestions

OpenMETU
Core

A systematic review on global pollution status of particulate matter-associated potential toxic elements and health perspectives in urban environment Ali, Muhammad Ubaid; Liu, Guijian; Yousaf, Balal; Ullah, Habib; Abbas, Qumber; Munir, Mehr Ahmad Mujtaba (2019-06-01) Airborne particulate matter (PM) that is a heterogeneous mixture of particles with a variety of chemical components and physical features acts as a potential risk to human health. The ability to pose health risk depends upon the size, concentration and chemical composition of the suspended particles. Potential toxic elements (PTEs) associated with PM have multiple sources of origin, and each source has the ability to generate multiple particulate PTEs. In urban areas, automobile, industrial emissions, const...
A Comparison of surface and biological properties of chitosan/tannic acid and chitosan/poly(acrylic acid) multilayers Saraçoğulları, Nihan; Erel Göktepe, İrem; Department of Biotechnology (2019) Chitosan is a natural polysaccharide which finds use in various biomedical applications due to its important biological properties. Layer-by-layer (LbL) technique is a practical and economical method to functionalize surfaces using interacting polymer pairs. LbL technique can also be used to construct polymer platforms for controlled release of functional molecules from a surface. In this thesis, ultra-thin polymer coatings were prepared using Chitosan and two different weak polyacids, i.e. Tannic Acid (TA)...
Studies on photochemical vapor generation of selenium Çetmeli , Melis; Ertaş, Gülay; Department of Chemistry (2019) Selenium is a significant trace element for human health. Selenium can be essential or toxic for human body depending on its concentration. Within the scope of this thesis, photochemical vapor generation tungsten coil atomization technique has been studied for the determination of selenium. Volatile selenium compounds were generated by exposure of UV light of the solution containing selenium and acetic acid. To increase sensitivity of photochemical vapor generation system, the technique was combined with tu...
Modeling aggregate dynamics of transparent exopolymer particles (TEP) and their interactions with a pelagic food web Oguz, Temel (2017-11-06) Mechanistic understanding of the role of transparent exopolymer particles (TEP) in particular and macrogels in general on food web functioning is an overlooked aspect of ecosystem modeling. Here, I address this problem by using a 1-dimensional, vertically resolved model that integrates particle aggregation dynamics with pelagic ecosystem structure. The model first simulates the observed annual food web structure of the mesotrophic Marmara Sea ecosystem in the absence of aggregation processes. This reference...
An expanded molecular phylogeny of Plumbaginaceae, with emphasis on Limonium (sea lavenders): Taxonomic implications and biogeographic considerations Koutroumpa, Konstantina; Theodoridis, Spyros; Warren, Ben H.; Jimenez, Ares; Celep, Ferhat; Doğan, Musa; Romeiras, Maria M.; Santos-Guerra, Arnoldo; Maria Fernandez-Palacios, Jose; Caujape-Castells, Juli; Moura, Monica; de Sequeira, Miguel Menezes; Conti, Elena (Wiley, 2018-12-01) Plumbaginaceae is characterized by a history of multiple taxonomic rearrangements and lacks a broad molecular phylogenetic framework. Limonium is the most species-rich genus of the family with ca. 600 species and cosmopolitan distribution. Its center of diversity is the Mediterranean region, where ca. 70% of all Limonium species are endemic. In this study, we sample 201 Limonium species covering all described infrageneric entities and spanning its wide geographic range, along with 64 species of other Plumba...

Citation Formats

H. Ullah et al., “A comprehensive review on environmental transformation of selenium: recent advances and research perspectives,” ENVIRONMENTAL GEOCHEMISTRY AND HEALTH, pp. 1003–1035, 2019, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/89951.