نتایج جستجو برای: gold nanoparticlechitosan
تعداد نتایج: 83359 فیلتر نتایج به سال:
The title compound, [Au(C(8)H(7)ClNOS)(C(18)H(15)P)], is characterized by a linear S,P-donor set with a small deviation from the ideal linearity [S-Au-P = 175.14 (5)°] due to the close approach of the O atom to the Au atom [Au⋯O = 2.882 (3) Å]. Loosely associated dimers are formed in the crystal structure through C-H⋯O inter-actions.
The Au atom in the title compound, [Au(C(8)H(7)ClNOS)(C(18)H(15)P)], exists within a slightly distorted linear geometry defined by an S,P-donor set [S-Au-P angle = 174.61 (4)°], with the distortion related to a short intra-molecular Au⋯O contact [2.988 (3) Å]. In the crystal structure, mol-ecules are arranged into supra-molecular chains along the b axis by C-H⋯π inter-actions.
The surface plasmon effects on near-field diffraction for polychromatic light are studied. An Au-double-slit is used as the model and Fresnel integral is employed to perform the theoretic analysis. The results are illustrated with numerical examples and they show that, compared with the normal double-slit, the plasmon effect changes the spectral shift from redshift to blueshift and also enhance...
The Langmuir-Blodgett technique has been used to assemble one-dimensional nanoscale building blocks. Various superstructures can be obtained as a result of different interactions between the individual nanostructures and different surface pressure applied. The general assembly behavior is exemplified here with BaCrO4, BaWO4, Au nanorods, and Mo3Se3 nanowires.
Recently, the effects of antimicrobial activity of silver nanoparticles was considered by researcher because of Bacterial resistance to antimicrobial agents in chemical.The aim of this study was to evaluate the antimicrobial activity of the gold nanoparticles on Escherichia coli. Gold nanoparticles are chemically synthesized. Standard strain of E. coli was cultured in a nutrient broth. Minimum ...
Recently, the effects of antimicrobial activity of silver nanoparticles was considered by researcher because of Bacterial resistance to antimicrobial agents in chemical.The aim of this study was to evaluate the antimicrobial activity of the gold nanoparticles on Escherichia coli. Gold nanoparticles are chemically synthesized. Standard strain of E. coli was cultured in a nutrient broth. Minimum ...
Here we demonstrate Au nanoparticle self-similar chain structure organized by triangle DNA origami with well-controlled orientation and <10 nm spacing. We show for the first time that a large DNA complex (origami) and multiple AuNP conjugates can be well-assembled and purified with reliable yields. The assembled structure could be used to generate high local-field enhancement. The same method c...
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