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Your search keyword '"Metal ions -- Physiological aspects"' showing total 9 results
Start Over Descriptor "Metal ions -- Physiological aspects" Journal journal of the american chemical society
9 results on '"Metal ions -- Physiological aspects"'

1. Exchange coupling of transition-metal ions through hydrogen bonding: a theoretical investigation

Author

Desplanches, Cedric, Ruiz, Eliseo, Rodriguez-Fortea, Antonio, and Alvarez, Santiago

Subjects
Chemical research -- Analysis, Hydrogen bonding -- Physiological aspects, Metal ions -- Physiological aspects, Transition metals -- Physiological aspects, Copper -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the hydrogen-bonded complexes. The study of the Cu(II) complex dimers linked via O-H...O hydrogen bonds carried out via the use of the density functional calculations is presented.

Published
2002

2. The [Sn (sub)9 Pt (sub)2 (PPh (sub)3)] (super)2- and [Sn (sub)9 Ni (sub)2 (CO)] (super)3- complexes: two markedly different Sn (sub)9 M (sub)2 L transition metal zintl ion clusters and their dynamic behavior

Author

Kesanli, Banu, Fettinger, James, Gardner, Donna R., and Eichhorn, Bryan

Subjects
Chemical research -- Analysis, Coordination compounds -- Physiological aspects, Nickel -- Physiological aspects, Carbon monoxide -- Physiological aspects, Transition metals -- Physiological aspects, Metal ions -- Physiological aspects, Solution (Chemistry) -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the metalated polystannides. The synthesis, structures, properties and the solution dynamics of these complexes have been investigated and the detail are described.

Published
2002

3. Identification of the metal ion binding site on an RNA motif from hammerhead ribozymes using (super)15 N NMR spectroscopy

Author

Tanaka, Yoshiyuki, Kojima, Chojiro, Morita, Eugene H., Kasai, Yasuhiro, Yamasaki, Kazuhiko, Ono, Akira, Kainosho, Masatsune, and Taira, Kazunari

Subjects
Chemical research -- Analysis, Catalytic RNA -- Physiological aspects, Oligomers -- Physiological aspects, RNA -- Physiological aspects, Metal ions -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the RNA oligomer mimicking hammerhead ribozyme metal ion-binding motif. Results indicate that this oligomer folds into a confirmation which possess metal ion binding property identical to that of the intact ribozyme.

Published
2002

4. Theoretical studies to understand surface chemistry on carbon anodes for lithium-ion batteries: how does vinylene carbonate play its role as an electrolyte additive?

Author

Wang, Yixuan, Nakamura, Shinichiro, Tasaki, Ken, and Balbuena, Perla B.

Subjects
Chemical research -- Analysis, Surface chemistry -- Research, Carbon compounds -- Physiological aspects, Lithium -- Physiological aspects, Metal ions -- Physiological aspects, Electrolytes -- Physiological aspects, Solvents -- Physiological aspects, Decomposition (Chemistry) -- Physiological aspects, Ethylene -- Physiological aspects, Chemistry
Abstract

Research has been conducted on vinylene carbonate. The role of this compound as a solvent additive in organic polar solutions for lithium-ion batteries has been investigated via its reductive decomposition along with ethylene carbonate molecules in gas and in solution and the details are reported.

Published
2002

5. Artifacts in the electron paramagnetic resonance spectra of C (sub)60 fullerene ions: inevitable C (sub)120 O impurity

Author

Paul, Parimal, Kim, Kee-Chan, Sun, Dayong, Boyd, Peter D. W., and Reed, Christopher A.

Subjects
Chemical research -- Analysis, Electron paramagnetic resonance spectroscopy -- Usage, Metal ions -- Physiological aspects, Carbon allotropes -- Physiological aspects, Carbon -- Physiological aspects, Oxygen -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the solid C (sub)60. The investigation of the electron paramagnetic resonance signal observed in solid C (sub)60 and of the C (sub)60 (super)n- fullerene ions' electron paramagnetic resonance spectra has been carried out and the details are reported.

Published
2002

6. Zinc(II) as a versatile template for the design of dipolar and octupolar NLO-phores

Author

Senechal, Katell, Maury, Olivier, Le Bozec, Hubert, Ledoux, Isabelle, and Zyss, Joseph

Subjects
Chemical research -- Analysis, Zinc -- Physiological aspects, Coordination compounds -- Physiological aspects, Porous materials -- Physiological aspects, Metal ions -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the dipolar zinc(II) complex. Results indicate that the expansion of the coordination number makes this complex effective for the dipolar and octupolar structure design.

Published
2002

7. Photoinduced charge separation reactions of J-aggregates coated on silver nanoparticles

Author

Hranisavljevic, Jasmina, Dimitrijevic, Nada M., Wurtz, Gregory A., and Wiederrecht, Gary P.

Subjects
Chemical research -- Analysis, Absorption -- Physiological aspects, Silver -- Physiological aspects, Nanotechnology -- Research, Metal ions -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the J-aggregates which are characterized by the sharp and red-shifted absorption band. The preparation of the J-aggregate coated silver nanoparticles has been carried out and the results indicate that these nanoparticles have been prepared via the metallic silver ion reduction in aqueous media.

Published
2002

8. Hyperfine fields at the Li site in LiFePO (sub)4 -type olivine materials for lithium rechargeable batteries: a (super)7 Li MAS NMR and SQUID study

Author

Tucker, Michael C., Doeff, Marca M., Richardson, Thomas J., Finones, Rita, Cairns, Elton J., and Reimer, Jeffrey A.

Subjects
Chemical research -- Analysis, Lithium -- Physiological aspects, Iron -- Physiological aspects, Phosphorus -- Physiological aspects, Oxygen -- Physiological aspects, Olivine -- Physiological aspects, Nuclear magnetic resonance spectroscopy -- Usage, Metal ions -- Physiological aspects, Chemistry
Abstract

Research has been conducted on the olivines in the solid solution Li(Fe,Mn)PO (sub)4. The nature of (super)7 Li NMR shift in LiMPO (sub)4 (M= Mn, Fe, Co, Ni) has been investigated and the results indicate that all compositions contain paramagnetic metal ions.

Published
2002

9. Rapid cross-disproportionation between superoxometal ions and acylperoxyl radicals

Author

Bakac, Andreja

Subjects
Chemical research -- Analysis, Radicals (Chemistry) -- Physiological aspects, Metal ions -- Physiological aspects, Oxygen -- Physiological aspects, Chemical reactions -- Analysis, Chemistry
Abstract

Research has been conducted on the acylperoxyl radicals. Results indicate that the cross reaction between the superoxometal complex and acylperoxyl radicals is fast and is similar to alkylperoxyl radicals' self-reactions.

Published
2002

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