Education:
B.S., University of North Carolina - Chapel Hill (1995)
Ph.D., Harvard University (2002)

Current Position:
Assistant Professor, Chemistry
Co-Director, Center for Green Chemistry
Office: S-1-085
Telephone: 617-287-6143
EMail: timothy.dransfield@umb.edu

Group Web Page

Teaching Interests:
Physical chemistry, green chemistry, general chemistry.

Research Interests:
Gas-phase kinetics and photochemistry; chemistry of the middle and lower atmosphere; oxidation processes of atmospheric pollutants; infrared spectroscopy of molecules and radical species; formation and loss of vibrationally excited intermediates; radical-molecule reactivity; ab initio calculations.

Professional Memberships:
1995 American Chemical Society
1996 American Geophysical Union
2003 Council on Undergraduate Research

Publications:
7) J.Y. Zhang, T. J. Dransfield, N.M. Donahue, “On the mechanism for nitrate formation via the peroxy radical plus NO reaction,” Journal of Physical Chemistry A, 2004, 108, 42, 9082.

6) T.J. Dransfield, M.M. Sprengnether, K.L. Demerjian, N.M. Donahue, J.G. Anderson, “Product Analysis of the OH Oxidation of Acrolein and Methacrolein in the Presence of NO,” in preparation.

5) M. M. Sprengnether, T. J. Dransfield, J. S. Clarke, K. L. Demerjian, N. M. Donahue, J. G. Anderson, "Reaction Rates of Nine C6-C9 Alkanes with OH from 230-379 K: Chemical Tracers for [OH]," Journal of Physical Chemistry A, in preparation.

4) N. M. Donahue, R. Morschladt, T. J. Dransfield, J. G. Anderson, "Constraining the Mechanism of OH + NO2 Using Isotopically Labeled Reactants: Evidence for HOONO Formation," Journal of Physical Chemistry A, 2001, 105, 9, 1515.

3) T. J. Dransfield, N. M. Donahue, J. G. Anderson, "High Pressure Flow Reactor Product Study of the Reactions of HOx + NO2: The Role of Vibrationally Excited Intermediates," Journal of Physical Chemistry A, 2001, 105, 9, 1507.

2) T .J. Dransfield, K. K. Perkins, N. M. Donahue, J. G. Anderson, M. M. Sprengnether, K. L. Demerjian, "Temperature and pressure dependent kinetics of the gas-phase reaction of the hydroxyl radical with nitrogen dioxide," Geophysical Research Letters, 1999, 26, 6, 687.

1) M.L. Clapp, R. F. Niedziela, L. J. Richwine, T. Dransfield, R. E. Miller, D. R. Worsnop, "Infrared spectroscopy of sulfuric acid water aerosols: Freezing characteristics," Journal of Geophysical Research-Atmospheres, 1997, 102, D7, 8899.

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