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Showing 1 to 12 of 244 entries
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The future of metabolomics in ELIXIR.

F1000Research

van Rijswijk M, Beirnaert C, Caron C, Cascante M, Dominguez V, Dunn WB, Ebbels TMD, Giacomoni F, Gonzalez-Beltran A, Hankemeier T, Haug K, Izquierdo-Garcia JL, Jimenez RC, Jourdan F, Kale N, Klapa MI, Kohlbacher O, Koort K, Kultima K, Le Corguillé G, Moreno P, Moschonas NK, Neumann S, O'Donovan C, Reczko M, Rocca-Serra P, Rosato A, Salek RM, Sansone SA, Satagopam V, Schober D, Shimmo R, Spicer RA, Spjuth O, Thévenot EA, Viant MR, Weber RJM, Willighagen EL, Zanetti G, Steinbeck C.
PMID: 29043062
F1000Res. 2017 Sep 06;6. doi: 10.12688/f1000research.12342.2. eCollection 2017.

Metabolomics, the youngest of the major omics technologies, is supported by an active community of researchers and infrastructure developers across Europe. To coordinate and focus efforts around infrastructure building for metabolomics within Europe, a workshop on the "Future of...

Discrimination of Metalloproteins by a Mini Sensor Array Based on Bispyrene Fluorophore/Surfactant Aggregate Ensembles.

ACS applied materials & interfaces

Cao Y, Zhang L, Huang X, Xin Y, Ding L.
PMID: 27991770
ACS Appl Mater Interfaces. 2016 Dec 28;8(51):35650-35659. doi: 10.1021/acsami.6b12646. Epub 2016 Dec 19.

Fluorescent sensor arrays with pattern recognition ability have been widely used to detect and identify multiple chemically similar analytes. In the present work, two particular bispyrene fluorophores containing hydrophilic oligo(oxyethylene) spacer, 6 and 4, were synthesized, but one is...

Extended Zinc AMBER Force Field (EZAFF).

Journal of chemical theory and computation

Yu Z, Li P, Merz KM.
PMID: 29149560
J Chem Theory Comput. 2018 Jan 09;14(1):242-254. doi: 10.1021/acs.jctc.7b00773. Epub 2017 Dec 07.

An empirical approach based on the previously developed zinc AMBER force field (ZAFF) is proposed for the determination of the parameters for bonds and angles involving zinc. We call it the extended ZAFF (EZAFF) model because the original ZAFF...

Dioxygen Activation and Catalytic Reduction to Hydrogen Peroxide by a Thiolate-Bridged Dimanganese(II) Complex with a Pendant Thiol.

Journal of the American Chemical Society

Gennari M, Brazzolotto D, Pécaut J, Cherrier MV, Pollock CJ, DeBeer S, Retegan M, Pantazis DA, Neese F, Rouzières M, Clérac R, Duboc C.
PMID: 26076066
J Am Chem Soc. 2015 Jul 08;137(26):8644-53. doi: 10.1021/jacs.5b04917. Epub 2015 Jun 29.

Herein, we describe an uncommon example of a manganese-thiolate complex, which is capable of activating dioxygen and catalyzing its two-electron reduction to generate H2O2. The structurally characterized dimercapto-bridged Mn(II) dimer [Mn(II)2(LS)(LSH)]ClO4 (Mn(II)2SH) is formed by reaction of the LS...

Resolving the Mystery of the Elusive Peak: Negative Differential Resistance in Redox Proteins.

The journal of physical chemistry letters

Mentovich ED, Belgorodsky B, Richter S.
PMID: 26295313
J Phys Chem Lett. 2011 May 19;2(10):1125-8. doi: 10.1021/jz200304s. Epub 2011 Apr 25.

Vertical molecular transistors are used to explain the nonconformal electron transfer results obtained for redox proteins. The transport characteristics of a negative differential resistance peak as appears in the transport data of azurin and its nonredox derivative are explored....

The Mechanochemistry of a Structural Zinc Finger.

The journal of physical chemistry letters

Perales-Calvo J, Lezamiz A, Garcia-Manyes S.
PMID: 26296179
J Phys Chem Lett. 2015 Sep 03;6(17):3335-40. doi: 10.1021/acs.jpclett.5b01371. Epub 2015 Aug 21.

Zinc fingers are highly ubiquitous structural motifs that provide stability to proteins, thus contributing to their correct folding. Despite the high thermodynamic stability of the ZnCys4 centers, their kinetic properties display remarkable lability. Here, we use a combination of...

Sub-atomic resolution X-ray crystallography and neutron crystallography: promise, challenges and potential.

IUCrJ

Blakeley MP, Hasnain SS, Antonyuk SV.
PMID: 26175905
IUCrJ. 2015 Jun 30;2:464-74. doi: 10.1107/S2052252515011239. eCollection 2015 Jul 01.

The International Year of Crystallography saw the number of macromolecular structures deposited in the Protein Data Bank cross the 100000 mark, with more than 90000 of these provided by X-ray crystallography. The number of X-ray structures determined to sub-atomic...

Nitrite Reductase Activity of Deoxy Carcinus maenas Hemocyanin: Formation of the Half-Met Derivative.

Inorganic chemistry

Bubacco L, Magliozzo RS, Beltramini M, Peisach J, Salvato B.
PMID: 11666340
Inorg Chem. 1996 Feb 28;35(5):1393-1394. doi: 10.1021/ic951008q.

No abstract available.

Electronic structure of four-coordinate C3v nickel(II) scorpionate complexes: investigation by high-frequency and -field electron paramagnetic resonance and electronic absorption spectroscopies.

Inorganic chemistry

Desrochers PJ, Telser J, Zvyagin SA, Ozarowski A, Krzystek J, Vicic DA.
PMID: 17054352
Inorg Chem. 2006 Oct 30;45(22):8930-41. doi: 10.1021/ic060843c.

A series of complexes of formula TpNiX, where Tp*- = hydrotris(3,5-dimethylpyrazole)borate and X = Cl, Br, I, has been characterized by electronic absorption spectroscopy in the visible and near-infrared (NIR) region and by high-frequency and -field electron paramagnetic resonance...

Announcement: first international conference on metals and the brain.

Metal-based drugs

Zatta PF.
PMID: 18475924
Met Based Drugs. 2000;7(1):56. doi: 10.1155/MBD.2000.56.

No abstract available.

High-resolution X-ray fluorescence and excitation spectroscopy of metalloproteins.

Journal of synchrotron radiation

Wang X, Grush MM, Froeschner AG, Cramer SP.
PMID: 16699236
J Synchrotron Radiat. 1997 Jul 01;4:236-42. doi: 10.1107/S0909049596015440.

A spectrograph has been developed with sufficient efficiency to make high-resolution fluorescence experiments on metalloproteins possible. The resolution of this spectrometer can reach 0.45 eV at 7.1 keV emission energy. The focus images of this multiple curved-crystal array spectrometer...

Frequency-switching inversion-recovery for severely hyperfine-shifted NMR: evidence of asymmetric electron relaxation in high-spin Co(II).

Inorganic chemistry

Riley EA, Petros AK, Smith KA, Gibney BR, Tierney DL.
PMID: 17140197
Inorg Chem. 2006 Dec 11;45(25):10016-8. doi: 10.1021/ic061207h.

A new method for reliably measuring longitudinal relaxation rates for severely hyperfine-shifted NMR signals in aqueous solutions is presented. The method is illustrated for a well-defined cobalt tetracysteinate, with relevance to cobalt-substituted metalloproteins. The relaxation measurements are indicative of...

Showing 1 to 12 of 244 entries