Current Members

Tim JacksonTim Jackson
Associate Professor of Chemistry
Ph.D. 2004, University of Wisconsin-Madison
B.S. 2000, St. Cloud State University

Office Phone: 785-864-3968


Allyssa Massie PhotoAllyssa Massie
Graduate Student, entered KU Fall 2013
B.A. Chemistry 2013, Baker University

Phone: 785-864-4445

Derek Rice PhotoDerek Rice
Graduate Student, entered KU Fall 2013
B.S. Chemistry 2010, Truman State University

Phone: 785-864-4445

Joshua Parham PhotoJoshua Parham
Graduate Student, entered KU Fall 2014
B.S. Chemistry 2013, University of Arkansas - Fort Smith

Phone: 785-864-4445

Melissa Denler PhotoMelissa Denler
Graduate Student, entered KU Fall 2014
B.A. Chemistry 2014, University of Minnesota - Morris

Phone: 785-864-4445

Aruna Munasinghe PhotoAruna Munasinghe
Graduate Student, entered KU Fall 2015
University of Peradeniya, Faculty of Science, Department of Chemistry

Phone: 785-864-4445

Yuri Lee PhotoYuri Lee
Graduate Student, entered KU Fall 2016
M.S. Genetic Engineering 2014, Seoul National University
B.S. Biotechnology and Chemistry 2012, Seoul Women's University

Phone: 785-864-4445

Andrew Burr PhotoAndrew Burr
Undergraduate Student, entered KU Fall 2013


Shannon Jones PhotoShannon Jones
Undergraduate Student, entered KU Fall 2011


Anna Donovan PhotoAnna Donovan
Undergraduate Student, entered KU Fall 2015


Jackson Group News
April 2017
Poster presentations at the 253rd ACS National meeting in San Francisco by Derek Rice, Allyssa Massie, Melissa Denler, Joshua Parham, and Aruna Munasinghe.
March 2017
Equatorial Ligand Perturbations Influence the Reactivity of Manganese(IV)-Oxo Complexes by Allyssa Massie, Melissa Denler, et. al in Angewandte Chemi International Edition
December 2016
Welcome to the group, Yuri Lee!
November 2016
July 2016
Steric and Electronic Influence on Proton-Coupled Electron-Transfer Reactivity of a Mononuclear Mn(III)-Hydroxo Complex by Derek Rice, Gayan Wijeratne, Andrew Burr, and Josh Parham in Inorganic Chemistry
April 2016
Congratulations to Hannah Colmer, graduating with Ph.D with honors!
December 2015
Welcome to the group, Aruna Munasinghe!
June 2015
Welcome to the group, Melissa Denler!
June 2015
Congratulations to Gayan Wijeratne, graduating with Ph.D. with honors!
April 2015
Presentation by Gayan Wijeratne, "Dioxygen activation under ambient conditions using bio-inspired manganese(II) complexes to generate mid-valent oxidants for catalytic O–H bond oxidations," and poster presentation by Hannah Colmer, "Formation, Characterization, and O-O Bond Activation of a Bio-inspired Peroxomanganese(III) Complex," at 249th ACS National Meeting and Exposition, Denver, CO.
January 2015
"O–H bond oxidation by a monomeric Mn(III)–OMe complex" by Gayan Wijeratne published in Dalton Transactions
December 2014
Welcome to the group, Josh Parham!
November 2014
October 2014
July 2014

"Saturation Kinetics in Phenolic O–H Bond Oxidation by a Mononuclear Mn(III)–OH Complex Derived from Dioxygen" by Gayan Wijeratne and Briana Corzine published in Inorganic Chemistry

June 2014
June 2014
Domenick Leto graduates with Ph.D with honors
May 2014
January 2014
Poster presentation by Dr. Timothy Jackson at the Metals in Biology Gordon Research Conference and by Domenick Leto, Gayan Wijeratne, and Hannah Colmer at the Bioinorganic Gordon Research Seminar in Ventura, CA
November 2013
"Peroxomanganese complexes as an aid to understanding redox-active manganese enzymes" by Domenick Leto published in the Journal of Biological Inorganic Chemistry
July 2013
June 2013
Poster presentation by Hannah Colmer at the 2013 Regional Career Development Conference at the Chemistry-Biology Interface, Urbana-Champaign, IL, "Determining the Role of High-Valent Manganese Oxo and Hydroxo Intermediates in Biomimetic Systems"
April 2013
Dr. Timothy Jackson receives promotion to associate professor with tenure
April 2013
April 2013
April 2013
Presentation by Dr. Timothy Jackson at the 245th ACS National Meeting & Exposition, New Orleans, LA, "Spectroscopic and computational insights into manganese-dependent enzymes from studies of biomimetic manganese complexes"
November 2012
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