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Showing 1 to 12 of 215 entries
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Hydrogen Abstraction Acetylene Addition and Diels-Alder Mechanisms of PAH Formation:  A Detailed Study Using First Principles Calculations.

Journal of chemical theory and computation

Kislov VV, Islamova NI, Kolker AM, Lin SH, Mebel AM.
PMID: 26641907
J Chem Theory Comput. 2005 Sep;1(5):908-24. doi: 10.1021/ct0500491.

Extensive ab initio Gaussian-3-type calculations of potential energy surfaces (PES), which are expected to be accurate within 1-2 kcal/mol, combined with statistical theory calculations of reaction rate constants have been applied to study various possible pathways in the hydrogen...

Changing Characteristics of Psychiatrists Who Treat Geriatric Patients.

The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry

Colenda CC, Goldstein MZ, Pincus H, Dial T, Lyons J, Larson DB.
PMID: 28531067
Am J Geriatr Psychiatry. 1995 Autumn;3(4):330-338. doi: 10.1097/00019442-199503040-00008. Epub 2012 Sep 27.

The authors used the 1982 and 1988-89 American Psychiatric Association's Professional Activities Surveys (PAS) to describe changes in selected characteristics of United States psychiatrists treating patients age 65 and older. High geriatric case volume (HGCV) categories were considered if...

Optical properties of oxygen vacancies in germanium oxides: quantum chemical modeling of photoexcitation and photoluminescence.

The journal of physical chemistry. A

Zyubin AS, Mebel AM, Lin SH.
PMID: 17629254
J Phys Chem A. 2007 Sep 27;111(38):9479-85. doi: 10.1021/jp072314f. Epub 2007 Jul 13.

Photoabsorption and photoluminescence properties of single and double oxygen vacancy (OV and DOV) defects in quartz-like germanium oxide have been investigated by high-level ab initio calculations. It has been found that photoabsorption for these systems occurs at lower energies...

Control of nonadiabatic dissociation dynamics with the use of laser-induced wave packet interferences.

The Journal of chemical physics

Nagaya K, Lin SH, Nakamura H.
PMID: 17166025
J Chem Phys. 2006 Dec 07;125(21):214311. doi: 10.1063/1.2362819.

Based on wave packet interferences induced by a stationary laser field, a simple way of controlling nonadiabatic dissociation dynamics is proposed. We treat a simple two-state model of diatomic molecules. In this model, there exist two dissociative potential energy...

Application of the singular perturbation method to reaction kinetics.

Proceedings of the National Academy of Sciences of the United States of America

Richardson W, Volk L, Lau KH, Lin SH, Eyring H.
PMID: 16592088
Proc Natl Acad Sci U S A. 1973 May;70(5):1588-92. doi: 10.1073/pnas.70.5.1588.

The purpose of this paper is to show how to apply the singular perturbation method to the rate equations in reaction kinetics that involve different time scales. The Lindemann scheme has been chosen for illustration, and the steady-state and...

Investigation of the composition and formation constant of molecular complexes.

Proceedings of the National Academy of Sciences of the United States of America

Sahai R, Loper GL, Lin SH, Eyring H.
PMID: 16592155
Proc Natl Acad Sci U S A. 1974 Apr;71(4):1499-503. doi: 10.1073/pnas.71.4.1499.

It has been the purpose of the present paper to investigate and explore the conditions under which the linear relation between Delta/C(D) (0) and Delta in the Hanna-Ashbaugh-Foster-Fyfe equation for the evaluation of equilibrium constants holds, (C(D) (0) is...

Effect of displacement and distortion of potential energy surfaces and overlapping resonances of electronic transitions on surface-enhanced Raman scattering: models and ab initio theoretical calculation.

The Journal of chemical physics

Lee MT, Wu DY, Tian ZQ, Lin SH.
PMID: 15836174
J Chem Phys. 2005 Mar 01;122(9):094719. doi: 10.1063/1.1859283.

A previously developed theory for the temperature-dependent resonance Raman scattering is used to study the surface-enhanced Raman scattering. Two models, the displaced oscillator model and the displaced-distorted oscillator model, based on the harmonic potential energy surfaces are carried out...

Nanowire single-electron memory.

Nano letters

Thelander C, Nilsson HA, Jensen LE, Samuelson L.
PMID: 15826100
Nano Lett. 2005 Apr;5(4):635-8. doi: 10.1021/nl050006s.

We demonstrate storage of electrons in semiconductor nanowires epitaxially grown from Au nanoparticles. The nanowires contain multiple tunnel junctions (MTJs) of InP barriers and InAs quantum dots designed such that the metal seed particles act as storage nodes. By...

Dermoid cyst of the urinary bladder as a differential diagnosis of bladder calculus: a case report.

Journal of medical case reports

Okeke LI, Ogun GO, Etukakpan BR, Iyama A, Adeoye AO, Duduyemi BM.
PMID: 17592652
J Med Case Rep. 2007 Jun 26;1:32. doi: 10.1186/1752-1947-1-32.

Dermoid cysts are extremely rare in the urinary bladder and can pose a diagnostic dilemma to both the Urologist and the Histopathologist. Only a few cases were found documented and cited in PubMed. We present a case of dermoid...

Optimal conditions for thermal fixing of volume holograms in Fe:LiNbO3 crystals.

Applied optics

Hsieh CR, Lin SH, Hsu KY, Hsieh TC, Chiou A, Hong J.
PMID: 18324137
Appl Opt. 1999 Oct 10;38(29):6141-51. doi: 10.1364/ao.38.006141.

We analyze and compare two typical recording and thermal fixing procedures of a volume hologram in a Fe:LiNbO(3) crystal (low-high-low procedure and high-low procedure). We consider the kinetics of the recording, compensating, and developing processes by taking into account...

Photodissociation dynamics of ethyltoluene and p-fluoroethylbenzene at 193 and 248 nm.

The journal of physical chemistry. A

Huang CL, Dyakov YA, Lin SH, Lee YT, Ni CK.
PMID: 16833850
J Phys Chem A. 2005 Jun 16;109(23):4995-9. doi: 10.1021/jp050571j.

Photodissociation of jet-cooled o-, m-, and p-ethyltoluene and p-fluoroethylbenzene at both 193 and 248 nm was studied separately using vacuum ultraviolet photoionization/multimass ion imaging techniques. Dissociation occurs exclusively through alkyl chain C-C bond cleavage. The measured photofragment translational energy...

Theoretical study of isomerization and dissociation of acetylene dication in the ground and excited electronic states.

The Journal of chemical physics

Zyubina TS, Dyakov YA, Lin SH, Bandrauk AD, Mebel AM.
PMID: 16223301
J Chem Phys. 2005 Oct 01;123(13):134320. doi: 10.1063/1.2050649.

Ab initio calculations employing the configuration interaction method including Davidson's corrections for quadruple excitations have been carried out to unravel the dissociation mechanism of acetylene dication in various electronic states and to elucidate ultrafast acetylene-vinylidene isomerization recently observed experimentally....

Showing 1 to 12 of 215 entries