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Core-shell-shell nano rods have been widely investigated as fluorescent biomarkers, due to their photochemical stability and high brightness, which makes them a good alternative to organic fluorophores. There are several unique optical properties that can make nano rods (NRs) potentially more appealing bioimaging probes. Hydrophobic core-shell-shell CdSe/CdS/ZnS nano rods (NRs) were synthesized by...
A novel water-soluble macromolecular heavy metal flocculant mercaptoacetyl polyethyleneimine (MAPEI) was synthesized by reacting polyethyleneimine (PEI) with thioglycolic acid (TGA). Removal of Hg2+ and turbidity from aqueous solutions by induced flocculation of MAPEI was investigated. It was showed that MAPEI is efficient for the removal of Hg2+ and turbidity simultaneously. The highest removal rate...
One-dimensional structures of metal and semiconductor materials (nanowires), have become a focus of interdisciplinary research in recent years both as a model system for studies of 1D quantum confinement effects and because of their potential applications in electronics and photonics. We report the assembly of CdTe nanocrystals into nanowires using an approach that attempts to capitalize on the self-assembling...
A novel method was developed for the determination of DNA. The method was based on the mechanism of interaction between functionalized nanoparticle ZnS and deoxyribonucleic acid (DNA). Fluorescence intensity of ZnS is quenched by DNA at medium pH. The optimal condition was chosen for DNA and fluorescence spectrometry was used. Linear relationship between the quenched fluorescence intensity and the...
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