Electronic structures of metal sites in proteins and models: contributions to function in blue copper proteins

EI Solomon, RK Szilagyi, S DeBeer George… - Chemical …, 2004 - ACS Publications
Approximately one-half of all known protein crystal structures in the protein data bank (PDB)
contain metal ion cofactors, which play vital roles in charge neutralization, structure, and …

Shells of electrons in metal doped simple metal clusters

E Janssens, S Neukermans, P Lievens - Current Opinion in Solid State and …, 2004 - Elsevier
Recent studies of electronic and structural properties of small doped metal clusters are
reviewed. Both theoretical and experimental investigations of size and composition …

Development and testing of a general amber force field

J Wang, RM Wolf, JW Caldwell… - Journal of …, 2004 - Wiley Online Library
We describe here a general Amber force field (GAFF) for organic molecules. GAFF is
designed to be compatible with existing Amber force fields for proteins and nucleic acids …

Modeling ionic liquids using a systematic all-atom force field

JN Canongia Lopes, J Deschamps… - The journal of physical …, 2004 - ACS Publications
A new force field for the molecular modeling of ionic liquids of the dialkylimidazolium cation
family was constructed. The model is based on the OPLS-AA/AMBER framework. Ab initio …

Introduction to organic thin film transistors and design of n-channel organic semiconductors

CR Newman, CD Frisbie, DA da Silva Filho… - Chemistry of …, 2004 - ACS Publications
The development of new organic semiconductors with improved performance in organic thin
film transistors (OTFTs) is a major challenge for materials chemists. There is a particular …

Molecular force field for ionic liquids composed of triflate or bistriflylimide anions

JN Canongia Lopes, AAH Pádua - The Journal of Physical …, 2004 - ACS Publications
A set of force field parameters is proposed for the molecular simulation of ionic liquids
containing the anions trifluoromethylsufate and bis (trifluoromethylsulfonyl) imide, also …

The calculation of the vibrational frequencies of crystalline compounds and its implementation in the CRYSTAL code

F Pascale, CM Zicovich‐Wilson… - Journal of …, 2004 - Wiley Online Library
The problem of numerical accuracy in the calculation of vibrational frequencies of crystalline
compounds from the hessian matrix is discussed with reference to α‐quartz (SiO2) as a case …

Estimation of Scavenging Activity of Phenolic Compounds Using the ABTS•+ Assay

N Nenadis, LF Wang, M Tsimidou… - Journal of agricultural …, 2004 - ACS Publications
Observations on the applicability of the ABTS•+ assay to define structure− activity
relationships (SARs) among phenols (AH) were based on experimental data and theoretical …

Highly sensitive fluorescence probes for nitric oxide based on boron dipyrromethene chromophore rational design of potentially useful bioimaging fluorescence probe

Y Gabe, Y Urano, K Kikuchi, H Kojima… - Journal of the American …, 2004 - ACS Publications
Boron dipyrromethene (BODIPY) is known to have a high quantum yield (ϕ) of fluorescence
in aqueous solution but has not been utilized much for biological applications, compared to …

Theoretical study on the structure and reactive sites of non-steroidal anti-inflammatory drugs

N Okulik, AH Jubert - Journal of Molecular Structure: THEOCHEM, 2004 - Elsevier
The mode of action of the non-steroid anti-inflammatory drugs (NSAIDs) is attributed
primarily to the inhibition of PG synthesis, and more specifically, to the inhibition of the COX …