September 2011

Study of multi-resistance to heavy metals, antibiotics and some hydrocarbons of bacterial strains isolated from an estuary basin

Microorganisms contained in estuary water samples (Deltebre, Spain) have been the subject of several tests of resistance against various chemicals, such as heavy metals, hydrocarbons, and antibiotics. Isolates were plated (cultivated) on Trypticase Soy Agar plates and purified for further screening. The strains were extremely resistant to heavy metals, with peculiarly, high average minimal inhibitory concentration...

Author(s): K. Lyamlouli, K. Kharbouch, A. Moutaouakkil and M. Blaghen

September 2011

Preconcentration and removal of heavy metal ions from aqueous solution using modified charcoal

Levels of Pb(II), Cu(II), Zn(II), Mn(II), and Co(II) ion in aqueous solutions were determined by atomic absorption spectrometry (AAS) technique after preconcentration on diethyl dithiocarbamate supported by EDTA modified charcoal from Khaya senegalensis wood. The sorbed elements were eluted with acid and subsequently analyzed. The influence of pH, contact time and initial metal ion concentration by the modified charcoal...

Author(s): Jimoh, T., Egila, J. N., Dauda, B. E. N. and Iyaka, Y. A.

September 2011

Metal concentrations in sediments and water from Rivers Doma, Farinruwa and Mada in Nasarawa State, Nigeria

The Rivers Doma, Farinruwa and Mada are important rivers in Nasarawa State, Nigeria especially with regard to domestic use, irrigation and aquatic food. Levels of sodium, potassium, nickel, copper, magnesium, iron, calcium, zinc, lead, cadmium, arsenic, selenium, chromium and manganese were determined in samples of sediment and water collected from different points of the three rivers at two distinct seasons (dry and...

Author(s): Aremu, M. O. , Atolaiye, B. O., Gav, B. L., Opaluwa, O. D., Sangari, D. U. and Madu, P. C.