JohnRBarkerMD

Orthopaedic Surgery • Littleton, CO

Orthopedic Spine Surgery

Physician

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Office
10103 Ridgegate Pkwy
Ste 306
Littleton, CO 80124
Phone+1 303-225-8120

Fax+1 303-225-8130
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Education & Training

Southern Illinois UniversityResidency, Orthopaedic Surgery, 1995 - 2000
University of Oklahoma College of MedicineClass of 1995

Certifications & Licensure

UT State Medical License 2022 - 2026
CO State Medical License 2000 - 2025
American Board of Orthopaedic Surgery Orthopaedic Surgery

Publications & Presentations

PubMed

38 citations
HO + CO reaction rates and H/D kinetic isotope effects: master equation models with ab initio SCTST rate constants.
Ralph E. Weston, Thanh Lam Nguyen, John F. Stanton, John R. Barker> ;The Journal of Physical Chemistry. A. 2013 Jan 29
42 citations
Kinetic isotope effects for Cl + CH4 ⇌ HCl + CH3 calculated using ab initio semiclassical transition state theory.
John R. Barker, Thanh Lam Nguyen, John F. Stanton> ;The Journal of Physical Chemistry. A. 2012 Feb 22
Correction to "collisional energy transfer probability densities p(e,j;e',j') for monatomics colliding with large molecules".
> ;J Phys Chem A. 2012-01-12
74 citations
Ab initio reaction rate constants computed using semiclassical transition-state theory: HO + H2 → H2O + H and isotopologues.
Thanh Lam Nguyen, John F. Stanton, John R. Barker> ;The Journal of Physical Chemistry. A. 2011 May 3
4 citations
Mechanism and Kinetics of the Reaction NO3 + C2H4
Thanh Lam Nguyen, Jaehee Park, Kyungjun Lee, Kihyung Song, John R. Barker> ;The Journal of Physical Chemistry. A. 2011 Apr 21
32 citations
Collisional Energy Transfer Probability Densities P(E, J; E′, J′) for Monatomics Colliding with Large Molecules
John R. Barker, Ralph E. Weston> ;The Journal of Physical Chemistry. A. 2010 Sep 15
71 citations
Sums and densities of fully coupled anharmonic vibrational states: a comparison of three practical methods.
Thanh Lam Nguyen, John R. Barker> ;The Journal of Physical Chemistry. A. 2010 Feb 19
15 citations
Tropospheric oxidation of ethyne and But-2-yne. 1. Theoretical mechanistic study.
Andrea Maranzana, Giovanni Ghigo, Glauco Tonachini, John R. Barker> ;The Journal of Physical Chemistry. A. 2008 Mar 18
15 citations
Oxidation of Ethyne and But-2-yne. 2. Master Equation Simulations
Andrea Maranzana, John R. Barker, Glauco Tonachini> ;The Journal of Physical Chemistry. A. 2008 Mar 18
10 citations
Non-RRKM Dynamics in the CH3O2 + NO Reaction System
Philip J. Stimac, John R. Barker> ;The Journal of Physical Chemistry. A. 2008 Mar 5
6 citations
On the chaperon mechanism: application to ClO + ClO (+N2) --> ClOOCl (+N2).
Jingyao Liu, John R. Barker> ;The Journal of Physical Chemistry. A. 2007 Aug 14
38 citations
Master equation simulations of competing unimolecular and bimolecular reactions: application to OH production in the reaction of acetyl radical with O2.
Andrea Maranzana, John R. Barker, Glauco Tonachini> ;Physical Chemistry Chemical Physics. 2007 Aug 7
13 citations
On modeling the pressure-dependent photoisomerization of trans-stilbene by including slow intramolecular vibrational energy redistribution.
Ralph E. Weston, John R. Barker> ;The Journal of Physical Chemistry. A. 2006 Jun 29
8 citations
Intramolecular vibrational energy redistribution involving the torsion in CF3CH3: a molecular dynamics study.
Philip J. Stimac, John R. Barker> ;The Journal of Physical Chemistry. A. 2006 Jun 1
13 citations
CF3CH3 --> HF + CF2CH2: a non-RRKM reaction?
John R. Barker, Philip J. Stimac, Keith D. King, David M. Leitner> ;The Journal of Physical Chemistry. A. 2006 Mar 9
7 citations
Quasiclassical Trajectory Simulations of OH(v) + NO2 → HONO2* → OH(v`) + NO2: Capture and Vibrational Deactivation Rate Constants
Yong Liu, Lawrence L. Lohr, John R. Barker> ;The Journal of Physical Chemistry. A. 2006 Feb 2
12 citations
Quasi-classical trajectory simulations of intramolecular vibrational energy redistribution in HONO2 and DONO2.
Yong Liu, Lawrence L. Lohr, John R. Barker> ;The Journal of Physical Chemistry. B. 2005 Jan 25
59 citations
Master Equation Analysis of Pressure-Dependent Atmospheric Reactions
John R. Barker, David M. Golden> ;Chemical Reviews. 2003 Oct 24
3 citations
Multidrug resistance-1 gene expression does not increase during tumor progression in the MGH-OGS murine osteosarcoma tumor model.
Rita A Trammell, Clifford B. Johnson, John R. Barker, Robert S. Bell, D. Gordon Allan> ;Journal of Orthopaedic Research. 2000 May 1
47 citations
Magnetic Resonance Imaging of Severe Frostbite Injuries
John R. Barker, Melinda J. Haws, Richard E. Brown, John O. Kucan, William D. Moore> ;Annals of Plastic Surgery. 1997 Mar 1
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Press Mentions

John R. Barker, MD, an Orthopedic Surgeon with Rocky Mountain Spine ClinicOctober 4th, 2019
John R. Barker, MD, Orthopedic Surgeon with Rocky Mountain Spine Clinic, P.CMay 7th, 2019
Drs. Gary Botimer, John Serocki & More: 7 Orthopedic Surgeons Making Headlines FeaturedFebruary 23rd, 2018
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