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In the present study we reported the feasibility of extracellular biopolymer(PF-9) produced by Pseudomonas fluorescence C-9 as an alternative biosorbent to remove Ni(II) metallic ions from environmental and industrial wastewater. The ability of PF-9 to remove the Ni(II) ions was investigated by using batch biosorption procedure. The effects such as pH, dosage of biosorbent, Ni(II) initial concentration...
Polyurethanes with pedant quaternary ammonium salts (QAS) have been shown potent antimicrobial properties against gram-positive bacteria but less sensitive to gram-negative ones. Besides, due to using a large amount of QAS chain extenders, Polyurethanes with pedant QAS have been proven to be high water adsorption and even water soluble. In order to solve the two problems mentioned above, Novel polyurethanes...
In this work, homogeneous dispersion of multiwall carbon nanotubes (MWCNTs) in the hydrophilic polymer poly (vinyl)alcohol (PVA) in the presence of organic surfactant sodium dodecyl sulfate (SDS) was achieved. Further, thermal analysis shows that carbon nanotubes increase the glass transition temperature Tg and nucleate PVA crystallization. The observed results from Raman spectra recorded with 785...
The quantity and secondary structure of adsorbed albumin (Alb) and immunoglobulin G (IgG) on two kinds of biomaterial surfaces -polyurethane (PU (H50-50)) and polystyrene (PS) were studied using Fourier transform infrared spectroscopy (FTIR). The original spectra tested by FTIR were processed using second-derivation and self-deconvolution techniques to obtain the content of different secondary structures...
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