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Showing 1 to 12 of 401 entries
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Conformational analysis of the mannosidase inhibitor kifunensine: a quantum mechanical and structural approach

STEM and males

Males A, Raich L, Rovira C, Williams SJ.
GSID: zuNzbGPtNwUJ
A Males, L Raich, SJ Williams, C Rovira… - …, 2017 - Wiley Online Library

… The major contemporary applications of kifunensine stem from its activity as a specific inhibitor of the class I GH47 α-mannosidases involved in glycoprotein biosynthesis within the …

How do Water Solvent and Glutathione Ligands Affect the Structure and Electronic Properties of Au25(SR)18(-)?.

The journal of physical chemistry letters

Rojas-Cervellera V, Rovira C, Akola J.
PMID: 26722882
J Phys Chem Lett. 2015 Oct 01;6(19):3859-65. doi: 10.1021/acs.jpclett.5b01382. Epub 2015 Sep 15.

The effects of aqueous solvent and biological ligands on the structural and electronic properties of thiolate-protected Au25(SR)18(-) clusters have been studied by performing quantum mechanics/molecular mechanics (QM/MM) simulations. Analysis of bond distances and angles show that the solvated nanocluster...

Chronic Myeloid Leukemia and Hepatoblastoma: Two Cancer Models to Link Metabolism to Stem Cells.

Frontiers in oncology

Cipolleschi MG, Marzi I, Rovida E, Dello Sbarba P.
PMID: 27148487
Front Oncol. 2016 Apr 14;6:95. doi: 10.3389/fonc.2016.00095. eCollection 2016.

Low oxygen tension is a critical aspect of the stem cell niche where stem cells are long-term maintained. In "physiologically hypoxic" stem cell niches, low oxygen tension restrains the clonal expansion of stem cells without blocking their cycling, thereby...

Comment on: 'Prevalence of brain magnetic resonance imaging meeting Barkhof and McDonald criteria for dissemination in space among headache patients'.

Multiple sclerosis (Houndmills, Basingstoke, England)

Vidal-Jordana A, Tintoré M, Rovira A, Montalban X.
PMID: 24351437
Mult Scler. 2014 Jun;20(7):897-8. doi: 10.1177/1352458513515959. Epub 2013 Dec 18.

No abstract available.

Interanionic (-)O-H...O(-) interactions: a solid-state and computational study of the ring and chain motifs.

Chemistry (Weinheim an der Bergstrasse, Germany)

Braga D, Maini L, Grepioni F, Mota F, Rovira C, Novoa JJ.
PMID: 11192087
Chemistry. 2000 Dec 15;6(24):4536-51. doi: 10.1002/1521-3765(20001215)6:24<4536::aid-chem4536>3.0.co;2-m.

The (-)O-H...O(-) interaction formed by the anions HCO3-, HCO4, HC4O4 and HC5O5- (HA-), obtained upon monodeprotonation of the corresponding carbonic, oxalic, squaric and croconic acids (H2A), has been investigated theoretically and experimentally. The ring (RING) and chain (CHAIN) hydrogen...

Do thiols merely passivate gold nanoclusters?.

Physical review letters

Garzon IL, Rovira C, Michaelian K, Beltran MR, Ordejon P, Junquera J, Sanchez-Portal D, Artacho E, Soler JM.
PMID: 11102233
Phys Rev Lett. 2000 Dec 11;85(24):5250-1. doi: 10.1103/PhysRevLett.85.5250.

No abstract available.

A new valence tautomerism example in an electroactive ferrocene substituted triphenylmethyl radical.

Journal of the American Chemical Society

Ratera I, Ruiz-Molina D, Renz F, Ensling J, Wurst K, Rovira C, Gütlich P, Veciana J.
PMID: 12568590
J Am Chem Soc. 2003 Feb 12;125(6):1462-3. doi: 10.1021/ja0282590.

A new molecular system combining an open-shell organic radical that acts as an acceptor group, different from an o-quinone moiety, covalently linked to a ferrocene moiety, acting as the donor group, is shown to exhibit valence tautomerism.

Protonation state of the equatorial ligands and dynamics of the OH...O units in a cobaloxime biomimetic.

Inorganic chemistry

Rovira C, Kunc K, Parrinello M.
PMID: 12206709
Inorg Chem. 2002 Sep 09;41(18):4810-4. doi: 10.1021/ic025583n.

The protonation state of the dimethylglyoxime ligands in the B(12) coenzyme biomimetic [Co(CCl=CHCl)(dmgH)(2)(py)].CHCl(3) was investigated by using first-principles molecular dynamics. Our simulations at 173 and 300 K reveal that one of the oxime protons remains bonded to a nitroxyl...

Synthesis, separation, and isomer-dependent packing in two dimensions--detected by scanning tunnelling microscopy--of a TTF derivative.

Chemical communications (Cambridge, England)

Gomar-Nadal E, Abdel-Mottaleb MM, De Feyter S, Veciana J, Rovira C, Amabilino DB, De Schryver FC.
PMID: 12739671
Chem Commun (Camb). 2003 Apr 07;(7):906-7. doi: 10.1039/b300731f.

The synthesis, isolation and STM imaging on graphite of the cis and trans isomers of a TTF reveal isomer-dependent packing, and constitutes a way to study the non-covalent interactions at play in these systems.

Importance of intermolecular interactions in assessing hopping mobilities in organic field effect transistors: pentacene versus dithiophene-tetrathiafulvalene.

Journal of the American Chemical Society

Bromley ST, Mas-Torrent M, Hadley P, Rovira C.
PMID: 15161269
J Am Chem Soc. 2004 Jun 02;126(21):6544-5. doi: 10.1021/ja049762a.

We report on a computational study to understand the high mobility found in dithiophene-tetrathiafulvalene (DT-TTF) transistors, with respect to that known for pentacene, using an extended measure of the reorganization energy (lambdareorg). We demonstrate the high importance of considering...

A molecular multiproperty switching array based on the redox behavior of a ferrocenyl polychlorotriphenylmethyl radical.

Angewandte Chemie (International ed. in English)

Sporer C, Ratera I, Ruiz-Molina D, Zhao Y, Vidal-Gancedo J, Wurst K, Jaitner P, Clays K, Persoons A, Rovira C, Veciana J.
PMID: 15455435
Angew Chem Int Ed Engl. 2004 Oct 04;43(39):5266-8. doi: 10.1002/anie.200454150.

No abstract available.

Correlation between crystal structure and mobility in organic field-effect transistors based on single crystals of tetrathiafulvalene derivatives.

Journal of the American Chemical Society

Mas-Torrent M, Hadley P, Bromley ST, Ribas X, Tarrés J, Mas M, Molins E, Veciana J, Rovira C.
PMID: 15238013
J Am Chem Soc. 2004 Jul 14;126(27):8546-53. doi: 10.1021/ja048342i.

Recently, it was reported that crystals of the organic material dithiophene-tetrathiafulvalene (DT-TTF) have a high field-effect charge carrier mobility of 1.4 cm(2)/(V x s). These crystals were formed by a simple drop-casting method, making this material interesting to investigate...

Showing 1 to 12 of 401 entries