Results 21 to 30 of about 90,335 (298)

Ten-dimensional wave packet simulations of methane scattering [PDF]

open access: yes, 1998
We present results of wavepacket simulations of scattering of an oriented methane molecule from a flat surface including all nine internal vibrations.
A. P. J. Jansen, Burghgraef H., R. Milot
core   +3 more sources

Atomic force microscopy shows that vaccinia topoisomerase IB generates filaments on DNA in a cooperative fashion [PDF]

open access: yes, 2005
Type IB DNA topoisomerases cleave and rejoin one strand of the DNA duplex, allowing for the removal of supercoils generated during replication and transcription.
Dekker, Cees   +5 more
core   +2 more sources

Grand Canonical Adaptive Resolution Simulation for Molecules with Electrons: A Theoretical Framework based on Physical Consistency [PDF]

open access: yes, 2017
A theoretical scheme for the treatment of an open molecular system with electrons and nuclei is proposed. The idea is based on the Grand Canonical description of a quantum region embedded in a classical reservoir of molecules.
Bing Zhang (129)   +9 more
core   +2 more sources

Antibacterial Studying of Silver Nanoparticles Synthesized by Chemical Reduction Method Using Different Stabilized Concentrations [PDF]

open access: yesJournal of Applied Sciences and Nanotechnology, 2022
Silver nanoparticles were prepared by the chemical reduction method. Silver nitrate was taken as a metal precursor and sodium borohydride as a reducing agent with polyvinyl alcohol (PVA) stabilizers of different concentrations, polyvinylpyrrolidone (PVP).
Zahraa Ghazi   +3 more
doaj   +1 more source

Microscopic mechanisms of thermal and driven diffusion of non rigid molecules on surfaces [PDF]

open access: yes, 2002
The motion of molecules on solid surfaces is of interest for technological applications such as catalysis and lubrication, but it is also a theoretical challenge at a more fundamental level.
A. Fasolino   +19 more
core   +2 more sources

Configurational temperature control for atomic and molecular systems [PDF]

open access: yes, 1994
A new configurational temperature thermostat suitable for molecules with holonomic constraints is derived. This thermostat has a simple set of motion equations, can generate the canonical ensemble in both position and momentum space, acts homogeneously ...
Braga, C., Travis, K.P.
core   +6 more sources

Single molecule force spectroscopy data and BD- and MD simulations on the blood protein von Willebrand factor

open access: yesData in Brief, 2016
We here give information for a deeper understanding of single molecule force spectroscopy (SMFS) data through the example of the blood protein von Willebrand factor (VWF).
Sandra Posch   +14 more
doaj   +1 more source

Non-Covalent Interactions in Organic, Organometallic, and Inorganic Supramolecular Systems Relevant for Medicine, Materials Science, and Catalysis

open access: yesCrystals, 2022
The structure, fundamental properties, and reactivity of chemical systems at various hierarchical levels of organization of matter is the paradigm of chemistry.
Alexander S. Novikov
doaj   +1 more source

Role of the central cations in the mechanical unfolding of DNA and RNA G-quadruplexes. [PDF]

open access: yes, 2015
Cations are known to mediate diverse interactions in nucleic acids duplexes but they are critical in the arrangement of four-stranded structures. Here, we use all-atom molecular dynamics simulations with explicit solvent to analyse the mechanical ...
Arias-Gonzalez, JR   +4 more
core   +6 more sources

Imaging and energetics of single SSB-ssDNA molecules reveal intramolecular condensation and insight into RecOR function

open access: yeseLife, 2015
Escherichia coli single-stranded DNA (ssDNA) binding protein (SSB) is the defining bacterial member of ssDNA binding proteins essential for DNA maintenance.
Jason C Bell   +2 more
doaj   +1 more source

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