Isolation and Selected Properties of a 10.4 kDa Gold:Glutathione Cluster Compound
Publication type: Journal Article
Publication date: 1998-12-01
scimago Q1
wos Q3
SJR: 0.742
CiteScore: 5.3
Impact factor: 2.9
ISSN: 15206106, 15205207, 10895647
Materials Chemistry
Surfaces, Coatings and Films
Physical and Theoretical Chemistry
Abstract
An unprecedented small thioaurite cluster compound (with metallic Au0 core) has been isolated in high yield by decomposition of polymeric Au(I)SG compounds, where GSH is the ubiquitous tripeptide glutathione, N-γ-glutamyl-cysteinyl-glycine. The Au:SG clusters appear to share the high stability and robustness of their hydrophobic n-alkyl analogues but are highly water soluble. The most abundant cluster produced by these methods can be easily separated from its homologues by gel electrophoresis. Its total molecular weight is ca. 10.4 kDa, and the mass of its strongly bound inorganic core is 5.6 kDa, suggesting the composition Au28(SG)16. This composition is also consistent with the X-ray diffraction pattern of the crystalline molecular solid. Distinct features in the optical absorption spectroscopy are inherently different from either larger clusters or smaller gold cluster compounds. The compound is optically active, as evidenced by circular dichroism in the near-IR, visible, and near-UV regions. The 13C N...
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655
Total citations:
655
Citations from 2024:
34
(5.19%)
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GOST
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Schaaff T. et al. Isolation and Selected Properties of a 10.4 kDa Gold:Glutathione Cluster Compound // Journal of Physical Chemistry B. 1998. Vol. 102. No. 52. pp. 10643-10646.
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Schaaff T., Knight G., Shafigullin M. N., Borkman R. F., Whetten R. Isolation and Selected Properties of a 10.4 kDa Gold:Glutathione Cluster Compound // Journal of Physical Chemistry B. 1998. Vol. 102. No. 52. pp. 10643-10646.
Cite this
RIS
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TY - JOUR
DO - 10.1021/jp9830528
UR - https://doi.org/10.1021/jp9830528
TI - Isolation and Selected Properties of a 10.4 kDa Gold:Glutathione Cluster Compound
T2 - Journal of Physical Chemistry B
AU - Schaaff, T.Gregory
AU - Knight, Grady
AU - Shafigullin, Marat N.
AU - Borkman, Raymond F.
AU - Whetten, Robert
PY - 1998
DA - 1998/12/01
PB - American Chemical Society (ACS)
SP - 10643-10646
IS - 52
VL - 102
SN - 1520-6106
SN - 1520-5207
SN - 1089-5647
ER -
Cite this
BibTex (up to 50 authors)
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@article{1998_Schaaff,
author = {T.Gregory Schaaff and Grady Knight and Marat N. Shafigullin and Raymond F. Borkman and Robert Whetten},
title = {Isolation and Selected Properties of a 10.4 kDa Gold:Glutathione Cluster Compound},
journal = {Journal of Physical Chemistry B},
year = {1998},
volume = {102},
publisher = {American Chemical Society (ACS)},
month = {dec},
url = {https://doi.org/10.1021/jp9830528},
number = {52},
pages = {10643--10646},
doi = {10.1021/jp9830528}
}
Cite this
MLA
Copy
Schaaff, T.Gregory, et al. “Isolation and Selected Properties of a 10.4 kDa Gold:Glutathione Cluster Compound.” Journal of Physical Chemistry B, vol. 102, no. 52, Dec. 1998, pp. 10643-10646. https://doi.org/10.1021/jp9830528.