University of Minnesota
University of Minnesota: Department of Mechanical Engineering
http://www.me.umn.edu/

Welcome to the Dutcher Group

The Great Outdoors

News Archive:

2017

June 2017: Mitch Gardner and Patrick McMauley have joined the lab as summer undergraduate researchers. Welcome Mitch and Patrick!

June 2017: Dr. Archit Dani has accepted a position at Intel Corporation, to work on fabrication of microprocessors. Congrats Archit!

May 2017: Hallie Boyer has passed her PhD defense. Congrats Dr. Boyer!

May 2017: Shweta Narayan has passed her PhD preliminary examination. Congrats Shweta!

May 2017: Hallie Boyer's paper "Atmospheric Aqueous Aerosol Surface Tensions: Isotherm-based Modeling and Biphasic Microfluidic Measurements" has just been accepted as a Feature Article in Journal of Physical Chemsitry A. Congrats Hallie!

May 2017: Hallie Boyer was invited to participate in ACCESS XIV, a highly competitive program for emerging senior scientists in atmospheric chemistry. Congrats Hallie! ACCESS XIV.

April 2017: Lucy Nandy's co-authored paper "Influence of Organic Compound Functionality on Aerosol Hygroscopicity: Dicarboxylic Acids, Alkyl-Substituents, Sugars and Amino Acids" has just been accepted for publication in the Atmospheric Chemistry and Physics! This was an exciting collaborative effort with Prof. Jonathan Reid's group at the University of Bristol. Congrats Lucy! ACP Paper.

April 2017: Hallie Boyer (soon to be Dr. Boyer!) has accepted the prestigious Dreyfus Postdoctoral Fellowship to study aerosols at the Center for Atmospheric Particle Studies (CAPS) at Carnegie Mellon University, starting August 1st, under the guidance of Drs. Ryan Sullivan and Neil Donahue. Congrats Hallie!

March 2017: Dr. Andrew Metcalf will be the newest Assistant Professor of Environmental Engineering and Earth Sciences at Clemson University, starting Fall 2017. Congratulations, Andrew!

March 2017: Graduate student Athena Metaxas was awarded the NSF graduate student research fellowship. Congrats Athena!

Feb 2017: Professor Dutcher was awarded the University of Minnesota's McKnight Land-Grant Professorship. The award highlights the outstanding work on Atmospheric Aerosol Thermodynamics by Dutcher lab members Andrew Metcalf, Hallie Boyer, Lucy Nandy, Shweta Narayan and Peter Ohm. Congrats to all!

Jan 2017: Professor Dutcher and graduate students Hallie Boyer, Athena Metaxas, and Nikolas Wilkinson had a blast volunteering at the Energy and U! 3rd - 6th grade outreach shows at the University of Minnesota. Segments of Prof. Dutcher's performances were featured our local Channel 5 News.

Jan 2017: Dr. Archit Dani joined our group as a new Postdoc. Archit earned his PhD in Chemical Engineering from City University of New York. Welcome Archit!

2016

Dec 2016: Hallie Boyer's paper "A Statistical Thermodynamic Model for Surface Tension of Organic and Inorganic Aqueous Mixtures" was accepted by the The Journal of Physical Chemistry A. Congrats Hallie!

Nov 2016: Ellie Raethke joined the lab as a first year Materials Science and Engineering PhD student. Ellie is co-advised by Prof. Buhlmann from Chemsistry. Welcome Ellie!

Oct 2016: John Hunt joined the lab as an undergraduate researcher. Welcome John!

Oct 2016: Hallie Boyer, Lucy Nandy, and Nikolas Wilkinson received travel grants from American Association for Aerosol Research (AAAR) Student Travel Award, UMN Council of Graduate Students (COGS) Travel Award, and American Physical Society Division of Fluid Dynamics (APS-DFD), respectively. Congrats Hallie, Lucy, and Nikolas!

Sept 2016: Ryan Bell joined the lab as an undergraduate researcher. Welcome Ryan!

July 2016: Two of our group's co-authored papers are highlighted in the Journal of Physical Chemistry A Virtual Issue on Atmospheric Physical Chemistry: Peter Ohm's paper in collaboration with the Reid group (optical tweezer, DOI: 10.1021/jp510525r), and Lucy Nandy's paper in collaboration with the Ault group (Raman Microspectroscopy, DOI: 10.1021/acs.jpca.5b12699). Congrats to all!

June 2016: Dion Casey joined the lab as a summer undergraduate researcher. Welcome Dion!

May 2016: Cari Dutcher was awarded the ACS PRF Doctoral New Investigator award. Her award is entitled "Polyelectrolyte-Clay Dynamics and Assembly in Taylor-Couette Flows for Applications in Improved Oil Production". The proposal highlighted the outstanding preliminary work of lab members Nikolas Wilkinson, Eric Ruud, and Athena Metaxas. Congrats to all!

May 2016: Lucy Nandy and Peter Ohm's paper "Isotherm-Based Thermodynamic Models for Solute Activities of Organic Acids with Consideration of Partial Dissociation" was accepted by the The Journal of Physical Chemistry A. Congrats Lucy and Peter!

May 2016: Hallie Boyer's paper "Statistical Thermodynamic Model for Surface Tension of Aqueous Organic Acids with Consideration of Partial Dissociation" was accepted by the The Journal of Physical Chemistry A. Congrats Hallie!

May 2015: Energy and U shows at the Rarig Theater, May 11-20. Flames, Explosions and Dancing!

April 2016: The proposal "Development of Single Nanoparticle Sensing System for Application in Drinking Water" was selected for funding by the MnDRIVE RSAM partnership award, in collaboration with Prof. Chris Hogan and Kanomax FMT. Congrats Cari and Chris!

April 2016: Shweta Narayan passed the Mechanical Engineering PhD qualifying examination. Congrats Shweta!

March 2016: Nikolas Wilkinson, Athena Metaxas, Eric Ruud, and Ellie Raethke's paper "Internal Structure Visualization of Polymer - Clay Flocculants using Fluorescence" was accepted for publication by Colloids and Interface Science Communications, in collaboration with Theresa Reineke's group in Chemistry. Congrats Nikolas, Athena, Eric, and Ellie!

Jan 2016: Cari Dutcher was awarded the NSF CAREER award through the Atmospheric Chemistry program. Her award is entitled "CAREER: Understanding Multiphase Atmospheric Aerosol Particle Thermodynamics using Models, Mimics, and Microfluidics". The proposal highlighted the outstanding preliminary work of lab members Andrew Metcalf, Hallie Boyer, Lucy Nandy, and Peter Ohm. Congrats to all!

Jan 2016: Lucy Nandy's co-authored paper "Direct Measurement of pH in Individual Particles via Raman Microspectroscopy and Variation in Acidity with Relative Humidity" was accepted by Journal of Physical Chemistry, in collaboration with Andrew Ault's group at the University of Michigan. Congrats Lucy!

Jan 2016: Andrew Metcalf and Hallie Boyer's paper "Interfacial Tensions of Aged Organic Aerosol Particle Mimics using a Biphasic Microfluidic Platform" was accepted by the Environmental Science and Technology. Congrats Andrew and Hallie!

Jan 2016: Eric Ruud and Nikolas Wilkinson's paper "Polymer and Particle Dynamics and Assembly in Varied Hydrodynamic Fields" was accepted by the Macromolecular Chemistry and Physics. Congrats Eric and Nikolas!

Jan 2016: Hallie Boyer won the Agnes Hansen Travel Award from the Xi Chapter of Graduate Women in Science. Congrats Hallie!

2015

Nov 2015: Athena Metaxas (Chemical Engineering and Materials Science) and Shweta Narayan (Mechanical Engineering) joined the lab as first year PhD students. Welcome Athena and Shweta!

Nov 2015: Peter Ohm's co-authored paper "Diffusion and Reactivity in Ultraviscous Aerosol and the Correlation with Particle Viscosity" was accepted by Chemical Science, in collaboration with Jonathan Reid's group at the University of Bristol. Congrats Peter!

Sept 2015: Alex Odom and Raymond Bouchart joined the lab as undergraduate researcher. Welcome Alex and Raymond!

Sept 2015: Cari was elected AAAR Aerosol Physics Working Group Vice Chair. Congrats Cari!

Aug 2015: Hallie Boyer's paper "Parameter Interpretation and Reduction for a Unified Statistical Mechanical Surface Tension Model" was accepted by the Journal of Physical Chemistry Letters. Congrats Hallie!

June 2015: Ellie Raethke and Kyle Hemmingsen joined the lab as summer undergraduate researchers. Welcome Ellie and Kyle!

May 2015: Peter Ohm has successfully defended his master's thesis. This fall, Peter will be starting a PhD program in Applied Math at Tufts University. Congrats Peter!

May 2015: Nikolas Wilkinson and Hallie Boyer have successfully passed their preliminary examinations. Congrats Nikolas and Hallie!

May 2015: Energy and U shows at the Rarig Theater, May 19-23. Flames, Explosions and Dancing!

Feb 2015: NSF MRSEC Press Release! For more information, check out our IRG page.

Feb 2015: Cari was awarded the 3M Nontenure Faculty Award. Congrats Cari!

Feb 2015: Peter Ohm's first-author paper "An Isotherm-Based Thermodynamic Model for Electrolyte and Non-Electrolyte Solutions, incorporating Long- and Short-Range Electrostatic Interactions" was accepted by the Journal of Physical Chemistry A. Congrats Peter!

Jan 2015: Peter Ohm's co-authored paper "Organic Component Vapor Pressures and Hygroscopicities of Aqueous Aerosol Measured by Optical Tweezers" was accepted by the Journal of Physical Chemistry A. Congrats Peter!

2014

Dec 2014: Lucy Nandy joined the lab as a 1st year ME PhD student. Welcome Lucy!

Sept 1, 2014: Michael Van Heel joined the lab as an undergraduate researcher. Welcome Michael!

July 1, 2014: Andrew Metcalf was awarded the NSF Postdoctoral Research Fellowship. Congrats Andrew!

June 2, 2014: Chase Quinney and Harry Barrett joined the lab as summer undergraduate researchers. Welcome Chase and Harry!

April 10, 2014: Nikolas Wilkinson was awarded the NDSEG Graduate Research Fellowship. Congrats Nikolas!

April 10, 2014: Eric Ruud passed his qualifying examination. Congrats Eric!

April 1, 2014: Hallie Boyer was awarded the NSF Graduate Research Fellowship. Congrats Hallie!

March 17, 2014: Hallie Boyer joined the Dutcher Group as second year Mechanical Engineering graduate student. Welcome Hallie!

2013

Oct 10, 2013: Peter Ohm and Eric Ruud joined the Dutcher Group as first year Mechanical Engineering graduate students. Welcome Peter and Eric!

Sept 16, 2013: Dr. Andrew Metcalf joined the Dutcher Group as a Postdoctoral Scholar, and Nikolas Wilkinson as a first year Chemical Engineering graduate student. Welcome Andrew and Nikolas!

Sept 1, 2013: Cari Dutcher joined the University of Minnesota as an Assistant Professor in the Mechanical Engineering Department. Welcome Cari!