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Showing 25 to 36 of 144 entries
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Elucidating the Origin of Conformational Energy Differences in Substituted 1,3-Dioxanes: A Combined Theoretical and Experimental Study.

The Journal of organic chemistry

Cieplak P, Howard AE, Powers JP, Rychnovsky SD, Kollman PA.
PMID: 11667213
J Org Chem. 1996 May 31;61(11):3662-3668. doi: 10.1021/jo951918p.

13C NMR spectroscopy, ab initio quantum mechanics, and molecular mechanics have been used to investigate the trans-4-(trifluoromethyl)-2,2,6-trimethyl-1,3-dioxane chair/twist-boat equilibrium. The molecular mechanics calculations were based upon the MM3 and AMBER force fields. A 6-31G basis set was used for...

Inductive and Resonance Effects of Substituents on pi-Face Selection.

Chemical reviews

Cieplak AS.
PMID: 11749447
Chem Rev. 1999 May 12;99(5):1265-336. doi: 10.1021/cr980381n.

No abstract available.

Motion of grains, droplets, and bubbles in fluid-filled nanopores.

Physical review. E, Statistical, nonlinear, and soft matter physics

Sushko N, Cieplak M.
PMID: 11497597
Phys Rev E Stat Nonlin Soft Matter Phys. 2001 Aug;64(2):021601. doi: 10.1103/PhysRevE.64.021601. Epub 2001 Jul 16.

Molecular dynamics studies of nanometer-sized rigid grains, droplets and bubbles in nanometer-sized pores indicate that the drag force may have a hydrodynamic form if the moving object is dense and small compared to the pore diameter. Otherwise, the behavior...

Measurements of Dynamic Deformations of Building Structures by Applying Wire Sensors.

Sensors (Basel, Switzerland)

Cieplok G, Bednarski Ł.
PMID: 30634673
Sensors (Basel). 2019 Jan 10;19(2). doi: 10.3390/s19020255.

Measurements of deformations by means of vibrating wire sensors are very important in the monitoring of building structures. These types of sensors are characterized by a high resistance to environmental conditions, long time of measurement stability, and a possibility...

5-[(4-Eth-oxy-anilino)meth-yl]-N-(2-fluoro-phen-yl)-6-methyl-2-phenyl-pyrimidin-4-amine.

Acta crystallographica. Section E, Structure reports online

Cieplik J, Stolarczyk M, Bryndal I, Lis T.
PMID: 22719517
Acta Crystallogr Sect E Struct Rep Online. 2012 Jun 01;68:o1729-30. doi: 10.1107/S1600536812021046. Epub 2012 May 16.

The asymmetric unit of the title compound, C(26)H(25)FN(4)O, consists of two symmetry-independent mol-ecules, denoted A and B. The conformation of each mol-ecule is mainly determined by an intra-molecular N-H⋯N hydrogen bond, which closes a six-membered ring. The dihedral angles...

Novel procedure for thermal equilibration in molecular dynamics simulation.

Molecular simulation

Gallo MT, Grant BJ, Teodoro ML, Melton J, Cieplak P, Phillips GN, Stec B.
PMID: 25125797
Mol Simul. 2009 Apr 01;35(5):349-357. doi: 10.1080/08927020802647272.

We describe a simple novel procedure for achieving thermal equilibration between a protein and a surrounding solvent during molecular dynamics (MD) simulation. The method uniquely defines the length of simulation time required to achieve thermal equilibrium over a broad...

Stretching and twisting of the DNA duplexes in coarse-grained dynamical models.

Journal of physics. Condensed matter : an Institute of Physics journal

Niewieczerzał S, Cieplak M.
PMID: 21832500
J Phys Condens Matter. 2009 Nov 25;21(47):474221. doi: 10.1088/0953-8984/21/47/474221. Epub 2009 Nov 05.

Three coarse-grained molecular dynamics models of the double-stranded DNA are proposed and compared in the context of single molecule mechanical manipulation such as twisting and various schemes of stretching-unzipping, shearing, two-strand stretching and stretching of only one strand. The...

Polarization effects in molecular mechanical force fields.

Journal of physics. Condensed matter : an Institute of Physics journal

Cieplak P, Dupradeau FY, Duan Y, Wang J.
PMID: 21828594
J Phys Condens Matter. 2009 Aug 19;21(33):333102. doi: 10.1088/0953-8984/21/33/333102. Epub 2009 Jul 24.

The focus here is on incorporating electronic polarization into classical molecular mechanical force fields used for macromolecular simulations. First, we briefly examine currently used molecular mechanical force fields and the current status of intermolecular forces as viewed by quantum...

Rupture and coalescence in two-dimensional cellular automata fluids.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Cieplak M.
PMID: 9963148
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 1995 May;51(5):4353-4361. doi: 10.1103/physreve.51.4353.

No abstract available.

Origin of the Tc depression and the role of charge transfer and dimensionality in ultrathin YBa2Cu3O7- delta.

Physical review. B, Condensed matter

Cieplak MZ, Giebultowicz T, Guha S, Lindenfeld P, Vadlamannati S.
PMID: 9975456
Phys Rev B Condens Matter. 1994 Nov 01;50(17):12876-12886. doi: 10.1103/physrevb.50.12876.

No abstract available.

Renormalization-group study of the coupled XY-Ising models.

Physical review. B, Condensed matter

Cieplak M, Li MS.
PMID: 9975762
Phys Rev B Condens Matter. 1994 Jul 01;50(2):955-964. doi: 10.1103/physrevb.50.955.

No abstract available.

Spectral dimensionality and hyperscaling.

Physical review. B, Condensed matter

Cieplak M, Majhofer A.
PMID: 9940296
Phys Rev B Condens Matter. 1986 Oct 01;34(7):4892-4893. doi: 10.1103/physrevb.34.4892.

No abstract available.

Showing 25 to 36 of 144 entries