Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Essien D. Udosen"'
Autor:
Nsikak U. Benson, Adebusayo E. Adedapo, Omowunmi H. Fred-Ahmadu, Akan B. Williams, Essien D. Udosen, Olusegun O. Ayejuyo, Abass A. Olajire
Publikováno v:
MethodsX, Vol 5, Iss , Pp 268-276 (2018)
This paper presents the assimilation of heavy metal concentration data from sequential extraction method (SEM) with metal toxicity factors to develop and propose two new sediment quality indices modified hazard quotient (mHQ) and ecological contamina
Externí odkaz:
https://doaj.org/article/ce62997dc525409d9443fa7fed1c7868
Publikováno v:
Environmental Science and Pollution Research. 26:21589-21597
The distribution of emerging organic contaminants in drinking water sources in Africa is a subject with very scanty data and information. In order to fill knowledge gaps, we report here the distribution and potential ecological risks of three phenoli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::751a7172666eb309f7638bf215412801
https://doi.org/10.1007/s11356-019-05458-7
https://doi.org/10.1007/s11356-019-05458-7
Autor:
Omowunmi H. Fred-Ahmadu, Adebusayo E. Adedapo, Nsikak U. Benson, Essien D. Udosen, Akan B. Williams, O.O Ayejuyo, Abass A. Olajire
Publikováno v:
Regional Studies in Marine Science. 18:44-56
New indices – modified hazard quotient (m HQ) and ecological contamination index (ECI) – were developed for the evaluation of heavy metals contamination of sediment. Sequential extraction method was employed to determine the levels of cadmium (Cd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c70e546dc1e6512481fd4807e045d324
https://doi.org/10.1016/j.rsma.2018.01.004
https://doi.org/10.1016/j.rsma.2018.01.004
Autor:
Omowunmi H. Fred-Ahmadu, Nsikak U. Benson, Adebusayo E. Adedapo, Essien D. Udosen, Akan B. Williams, Abass A. Olajire, O.O Ayejuyo
Publikováno v:
MethodsX, Vol 5, Iss, Pp 268-276 (2018)
MethodsX
MethodsX
Graphical abstract
This paper presents the assimilation of heavy metal concentration data from sequential extraction method (SEM) with metal toxicity factors to develop and propose two new sediment quality indices modified hazard quotient (mHQ)
This paper presents the assimilation of heavy metal concentration data from sequential extraction method (SEM) with metal toxicity factors to develop and propose two new sediment quality indices modified hazard quotient (mHQ)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4594459b36cc9d020dca9b5609978543
https://doi.org/10.1016/j.mex.2018.03.005
https://doi.org/10.1016/j.mex.2018.03.005
Autor:
Joseph P. Essien, Adebusayo E. Adedapo, Oyeronke A. Akintokun, Omowunmi H. Fred-Ahmadu, Abass A. Olajire, Essien D. Udosen, Nsikak U. Benson, W. U. Anake
Publikováno v:
International Journal of Sediment Research. 32:410-420
This study determines the pollution, fractionation, and ecological risks of sediment-bound heavy metals from coastal ecosystems off the Equatorial Atlantic Ocean. Contamination Factor (CF), pollution load index (PLI), and geoaccumulation index (Igeo)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7e92740b1fd16b6ddd43956e9fa5b05
https://doi.org/10.1016/j.ijsrc.2017.07.007
https://doi.org/10.1016/j.ijsrc.2017.07.007
Publikováno v:
Science Journal of Analytical Chemistry. 9:77
Water pollution is a serious environmental problem. It comprises of the damages done to the physical, chemical and biological properties of water due to anthropogenic activities. Such damages could have serious detrimental effects on the quality and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b88c2e53e4552de7395b98d50d73186a
https://doi.org/10.11648/j.sjac.20210904.11
https://doi.org/10.11648/j.sjac.20210904.11
Publikováno v:
Journal of Environmental Chemistry and Ecotoxicology. 8:1-8
The distribution of trace metals (Zn, Cu, Ni, Mn, Fe, Co, V, Pb and Cd) in surface water and sediments from Imo River estuary in relation with the physicochemical variables were studied for both dry and wet seasons. The results obtained revealed that
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::983bf30a54385da0ef4de6da2752cca4
https://doi.org/10.5897/jece2015.0352
https://doi.org/10.5897/jece2015.0352
Quantification of Pollutant Levels in Water, Sediment and Winkles in Akani Obio Uruan River, Nigeria
Autor:
Essien D. Udosen, Iboroakam Essien Udosen, Okon Monday Udoidiong, Emmanuel Isaac Uwah, Emem Michael Edem
Publikováno v:
Science Journal of Analytical Chemistry. 8:45
The levels of some trace metals (Cd, Cr, Cu, Pb and Zn) were quantified in water, sediment and two species of winkles (Pachymelania bryonensis and Pachymelania fusca mutans) in Akani Obio Uruan River from August to September 2018 (wet season) and Feb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e316d71ea2b417c83f059ba8a57212a2
https://doi.org/10.11648/j.sjac.20200802.12
https://doi.org/10.11648/j.sjac.20200802.12
Publikováno v:
CLEAN - Soil, Air, Water. 46:1700114
The Qua Iboe River estuary is one of the most studied ecosystems in the Niger Delta of Nigeria given its proximity to intense industrial activities. There have been concerns regarding possible environmental contamination which has led to several moni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d0cac705c1d54b370d9ed9896e60382
https://doi.org/10.1002/clen.201700114
https://doi.org/10.1002/clen.201700114
Publikováno v:
Environmental Monitoring and Assessment. 146:253-265
An analysis of the distribution and chemical forms of selected metals: cadmium (Cd), chromium (Cr), copper (Cu), nickel (Ni) and lead (Pb) in subtidal sediments of Qua Iboe Estuary and adjourning creeks, collected between June 2000 and January 2001,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2786395bea3affb4cda6a0a522de2c6
https://doi.org/10.1007/s10661-007-0077-5
https://doi.org/10.1007/s10661-007-0077-5