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Chemicals, plastics and rubber industries

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Facile syntheses of monodisperse ultrasmall Au clusters

Article Abstract:

A report that monodisperse [Au.sub.11] clusters and bimodal distributions of [Au.sub.8] and [Au.sub.10] could be produced by reducing a Au(I) precursor in the presence of bidentate phosphine ligands is presented. Results reveal that the cluster size could be varied by simply varying the length of the spacer separating the P atoms in the ligand and that certain diphosphine ligands could be extremely size-selective.

Author: Bertino, Massimo F., Rui Zhang, Zhong-Ming Sun
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
Industrial Gas Manufacturing, Industrial gases, Analytical Laboratory Instrument Manufacturing, Analytical instruments, Gold Compounds, Phosphine, Ion Mass Spectroscopy, Mass spectrometry

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Analyzing the structure of CoFe-Fe(sub 3)O(sub 4)-shell nanoparticles by electron imaging

Article Abstract:

The step-by-step techniques used for identifying the structure of the CoFe-Fe(sub 3)O(sub 4) nanoparticles, which are composed of ~4-nm CoFe cores and covered with ~3-nm Fe(sub 3)O(sub 4) polynanocrystallites are demonstrated. The techniques demonstrated are general and can be adopted for analysis of any nanoparticles of interest in physical chemistry.

Author: Jing Li, Hao Zeng, Shouheng Sun, Ping J. Liu, Zhong Liu Wang
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2004
Cobalt Compounds, Iron compounds, Transmission electron microscopes

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Bio-functionalization of monodisperse magnetic nanoparticles and their use as biomolecular labels in a magnetic tunnel junction based sensor

Article Abstract:

The bio-functionalization and detection of 12-nm manganese ferrite nanoparticles (NPs) is reported. A novel method of detecting either protein binding or DNA hybridization at room temperature using the NPs and magnetic tunnel junction (MTJ) biosensor situated in orthogonal magnetic fields is demonstrated.

Author: O'Brien, Stephen, Hao Zeng, Shouheng Sun, Grancharov, Stephanie G., Kirtley, J.R., Held, G.A., Shan X. Wang, Murray, C.B.
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
Electrometallurgical products, Electrometallurgical Ferroalloy Product Manufacturing, Ferromanganese, Analysis, Biosensors, Protein binding

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Subjects list: Usage, Structure, Chemical properties, Nanoparticles
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