The combustion of fossil fuels emits a large amount CO 2 , which causes the greenhouse effect and leads to global warming poses serious threat life on earth. capture technology can effectively reduce concentration in atmosphere, alleviate effect, improve environment. technologies include absorption, membrane separation adsorption separation, among chemical absorption have advantages high effici...

The mesoporous carbon (CMK-3) functionalized with ethylenediamine (EDA) has been synthesized (CMK-3-EDA) and applied as a new mesoporous adsorbent for removal of Cu(II) and Pb(II) cations from aqueous solutions. Nitrogen adsorption–desorption measurements (BET) show that surface area, pore size and pore volume of CMK-3 were significantly changed after amine modification. The BET surface area an...

Abstract Grafting of styrene (S) onto biopolymer Sodium Alginate (NaAlg) via free-radical polymerization forming (NaAlg-g-PS), using potassium persulfate K 2 S O 8 (KPS) as initiator. Fourier-transform infrared spectroscopy (FT-IR) and Proton nuclear magnetic resonance ( 1 H-NMR) characterized the formed grafted copolymer scanning electron microscope (SEM) to show changes in surface morphology ...

Dextran polysaccharide was grafted by reductive-amination with mixtures of spermine and other natural/synthetic oligoamines of two to four amine groups. The transfection efficiencies of the polycations thus obtained were assessed in various cell lines, and found to depend on the spermine contents. Higher spermine ratios of grafted oligoamines resulted in high gene expression, whereas low to neg...

Alkanethiols carrying ethylene glycol units (EGn, n = 3 or 6) with amine termini (EG3NH2 or EG6NH2) were coadsorbed with a “diluent”, hydroxylterminated alkanethiol (EG3OH), to form mixed self-assembled monolayers (SAMs). The mixed SAMs were characterized, and hexameric peptide ligand His-Trp-Arg-GlyTrp-Val (HWRGWV), which shows affinity binding toward the Fc (constant fragment) of human immuno...

This publication presents one of the first uses of silicon oxide nanoparticles to detect fingermarks. The study is not confined to showing successful detection of fingermarks, but is focused on understanding the mechanisms involved in the fingermark detection process. To gain such an understanding, various chemical groups are grafted onto the nanoparticle surface, and parameters such as the pH ...