A novel adsorbent based on peanut shells modified with glutaraldehyde and succinic anhydride was prepared. Factors affecting the adsorption capacity, such as the pH, temperature, adsorption time, initial cytochrome c (cyt c) concentration and NaCl ionic strength, were extensively investigated. The results showed that the maximum adsorption capacity of the modified peanut shells (MPSs) was 432.6...

Soybean proteins have found uses in different nonfood applications due to their interesting properties. We report on the kinetics and extent of adsorption on silica and cellulose surfaces of glycinin and β-conglycinin, the main proteins present in soy. Quartz crystal microgravimetry (QCM) experiments indicate that soy protein adsorption is strongly affected by changes in the physicochemical env...

We study the process of a semiflexible polymer chain adsorption on to planar surface by the dynamic Monte Carlo (DMC) method, based on the 3D off-lattice model. Both the strength of attractive monomer-surface interaction (εa) and bending energy (b) have pronounced effect on the adsorption and shape of semiflexible polymer chain. The semiflexible polymer can just fully adsorb on to the surface a...

To realize the synergistic treatment of dairy cow manure solids and cattle breeding sewage, this study produced phosphorus-modified hydrochar by impregnated with potassium phosphate (K3PO4). And then, adsorption characteristics Cu (II) ammonium (NH4+) in sewage under different dosages time conditions modified were explored. The results show that specific surface area total pore volume increased...

Trihydroxamate siderophores have been proposed for use as mediators of actinide and heavy metal mobility in contaminated subsurface zones. These microbially produced ligands, common in terrestrial and marine environments, recently have been derivatized synthetically to enhance their affinity for transuranic metal cations. However, the interactions between these synthetic derivative and adsorbed...

Spleen nuclei were isolated and purified from normal and Friend virus-infected mice. Nuclei from infected spleen were found to contain almost 3 times as much RNA as nuclei from normal spleen. RNA polymerase activity of normal and Friend virus-infected nuclei were compared. Optimal reaction condi tions at high and low ionic strength were determined and were found to be similar to normal rat live...

We report here the in vitro selection of DNA aptamers for electric eel acetylcholinesterase (AChE). One selected aptamer sequence (R15/19) has a high affinity towards the enzyme (Kd=157±42 pM). Characterization of the aptamer showed its binding is not affected by low ionic strength (~20 mM), however significant reduction in affinity occurred at high ionic strength (~1.2 M). In addition, this ap...

Spleen nuclei were isolated and purified from normal and Friend virus-infected mice. Nuclei from infected spleen were found to contain almost 3 times as much RNA as nuclei from normal spleen. RNA polymerase activity of normal and Friend virus-infected nuclei were compared. Optimal reaction condi tions at high and low ionic strength were determined and were found to be similar to normal rat live...

Polyelectrolyte adsorption can be used to modify the surface of chromatographic packings in order to make them more suitable for protein separations. We studied the binding of proteins to controlled pore glass (CPG) on which the polycation poly(diallyldimethylammonium chloride) (PDADMAC) was noncovalently immobilized through electrostatic interaction. We found that the selectivity of PDADMAC fo...