droplet   McNeill Research Group
University of Minnesota • Department of Chemistry

McNeill Group News
 

AAP
May 2, 2008

Alicia Peterson awarded Doctoral Dissertation Fellowship

Alicia Peterson was one of five Chemistry Department graduate students to be awarded the prestigious Doctoral Dissertation Fellowship by the Graduate School. The dissertation fellowship is awarded to a select group of graduate students based on their academic excellence and research accomplishments. The fellowship will provide Alicia with one year of support. Congratulations Alicia!



DTA
April 28, 2008

Kris named Morse-Alumni Distinguished Teaching Professor and inducted into the Minnesota Academy of Distinguished Teachers

Kris was among this year's16 inductees into the Minnesota Academy of Distinguished Teachers, due to his being awarded the Morse-Alumni Award for Contributions to Undergraduate Education.

Link to Award Announcement



asdf
April 18, 2008

McNeill Group participates in Earth Day Watershed Cleanup

Once again, the McNeill group participated in the Earth Day Watershed Cleanup sponsored by the Minneapolis Solid Waste Division and the Minneapolis Parks District. Danny, Britt, Elodie, Kristen, Jeff, Sarah, and Kris hauled trash bags full of bottles, cans, and miscellaneous trash from the banks of the Mississippi near the historic Stone Arch Bridge.

The Minnesota Daily was there and interviewed Kris for their story on the event.

Pictures are here.



Matt
February 11, 2008

Matt Grandbois recognized with college-wide TA award

Matt Grandbois is one of teaching assistants in the Institute of Technology voted Best TA by students in the college. He will receive his award at the IT Week Banquet later this month. Congratulations Matt!



KPM EIR
November 1, 2007

Kris recognized with "Excellence in Review" Award from Environmental Science and Technology

Kris was among the 24 reviewers for Environmental Science and Technology that were recognized for their reviews in the November 1 issue (Vol. 41, Issue 21) of the journal.

Link to the article:
Environ. Sci. Technol. 2007, 41(21), 7194.



tyl
27 July 2007

Environmental fate of tylosin

Graduate student Jeff Werner (Ph.D. '06) is the lead author on a study of tylosin, a veterinary antibiotic and growth promoter, that was a collaborative effort between the the McNeill group, the Arnold group (Minnesota Civil Engineering), and the Wammer group (University of St. Thomas, Dept. of Chemistry). The study shows that tylosin is quickly photo-equilibrated with a much less active isomer before being broken down further by sunlight.

Environmental Photochemistry of Tylosin: Efficient, Reversible Photoisomerization to a Less-Active Isomer, Followed by Photolysis
Jeffrey J. Werner, Mahati Chintapalli, Rachel A. Lundeen, Kristine H. Wammer, William A. Arnold, and Kristopher McNeill

Journal of Agriculture and Food Chemistry 2007, ASAP.
http://dx.doi.org/10.1021/jf070101h



 cim_chlor
25 July 2007

Chlorination of cimetidine, a wastewater contaminant, leads to unexpected products

Research by graduate student Jeff Buth shows that chlorination of cimetidine, a commonly used heartburn medication that is found in wastewater, leads to the formation of unexpected products. Some of these products are expected to have a greater ecological impact than the parent compound. This research is part of a long-standing collaboration between the McNeill group and Professor Bill Arnold in the Department of Civil Engineering on the fate of pharmaceutical pollutants in the aquatic environment.

Unexpected Products and Reaction Mechanisms of the Aqueous Chlorination of Cimetidine
Jeffrey M. Buth, William A. Arnold, and Kristopher McNeill

Environmental Science and Technology 2007, ASAP.
http://dx.doi.org/10.1021/es070606o



MS2 humic acid
5 June 2007

Inactivation of virus MS2 by singlet oxygen is enhanced by association with natural organic matter (NOM)

Research by Matt Grandbois of the McNeill group, in collaboration with Tamar Kohn (EPFL) and Kara Nelson (UC Berkeley), has been published online in Environmental Science and Technology. The study extends previous work by Kohn and Nelson on the mechanism of the photoinactivation of MS2 and our work on the microheterogeneous distribution of singlet oxygen in natural waters. The results of this work are relevant to the inactivation of pathogens in waste stabilization ponds and other sunlit aquatic systems.

Association with Natural Organic Matter Enhances the Sunlight-Mediated Inactivation of MS2 Coliphage by Singlet Oxygen
Tamar Kohn, Matthew Grandbois, Kristopher McNeill, and Kara Nelson

Environmental Science and Technology 2007, ASAP.
http://dx.doi.org/10.1021/es070295h


Related papers:
Sunlight-Mediated Inactivation of MS2 Coliphage via Exogenous Singlet Oxygen Produced by Sensitizers in Natural Waters
Tamar Kohn and Kara L. Nelson
Environmental Science and Technology, 2007, 41, 192 - 197.
http://dx.doi.org/10.1021/es061716i


Microheterogeneity of Singlet Oxygen Distributions in Irradiated Humic Acid Solutions
Douglas E. Latch and Kristopher McNeill
Science, 2006, 311, 1743-1747.
http://dx.doi.org/10.1126/science.1121636



4 May 2007

McNeill Group undergraduate researchers win awards

Congratulations to Sarah Page and Kyle Dullinger, McNeill Group undergraduate researchers who are the recipients of three awards.

Sarah Page is the winner of the David A. and Merece H. Johnson Scholarship for her acheivement in research and scholastic excellence. Sarah is also
the recipient of the Undergraduate Award in Environmental Chemistry sponsored by the Division of Environmental Chemistry of the American Chemical Society. This award consists of a one year membership in the ACS Division of Environmental Chemistry.

Kyle Dullinger is the winner of the 2007 George T. Walker Scholarship and Junior Prize for his outstanding record of research and scholarship.


ic_toc
8 February 2007

Collaborative study of Co-C bonding appears online

A combined experimental and theoretical study on the Co-C bonding in chlorovinyl complexes, relevant to dechlorination reactions, appeared online in Inorganic Chemistry. This study, which is a collaboration between the Cramer group and the McNeill group, shows that there is very little Co-C pi-bonding. This is despite appearances as the chlorovinyl group is nearly always found to be coplanar with the trans pyridine ligand. Much of the experimental work in this paper was conducted by a University of Minnesota undergraduate, Katie McNabb, who was a first-year at the time.

Characterization of Co-C Bonding in Dichlorovinylcobaloxime Complexes
Angela D. Follett, Katherine A. McNabb, Alicia A. Peterson, Joseph D. Scanlon, Christopher J. Cramer, and Kristopher McNeill
Inorganic Chemistry 2007, ASAP.
http://dx.doi.org/10.1021/ic0618293


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©2006 Kristopher McNeill