The Rashba effect of surface alloys semimetallic bismuth (Bi) is strongly related to its specific structural properties. initial growth behaviors Bi atoms on Ag(111) substrate and Au(111) are systematically investigated by combining scanning tunneling microscopy (STM) density flooding theory (DFT) in this paper. Continuous Ag<sub>2</sub>Bi alloy films formed preferentially at the st...

By understanding the structural relationship among three shape-controlled Rh nanostructures, namely, {111} nanotetrahedrons, {111} tetrahedral nanoframes, and <111> skeletal nanotetrapods, we could prepare novel hierarchical dendritic Rh nanostructures with <111> Rh arms as linkers between tetrahedral shaped nanocrystals.

To establish an effective nonviral gene delivery and a corresponding imaging method for i.p.-disseminated tumors, various oligonucleotide-carrier complexes were synthesized, and their in vitro and in vivo properties were examined. The 20-mer multiamino-linked oligonucleotide (oligo), synthesized as antisense against the c-erbB-2 sequence, and the 3'-biotinylated form of the same oligonucleotide...

Co nanoislands on the Au(111) and Cu(111) surfaces have been studied by scanning tunneling microscopy and spectroscopy. The experimental results showed that Co nanoislands prefer to aggregate at the step edge and dislocation sites on the reconstructed Au(111) surface and at the step edge on the Cu(111) surface, respectively. In addition, based on dZ/dV-V spectra, in both the Co/Au(111) and the ...