Ramsey Research GroupThe University of North Carolina at Chapel Hill

Department of Chemistry

Recent Group Member Presentations

(post 2009)

Pittcon 2014, Chicago, IL (March 2014)

Nicholas Batz, J. Scott Mellors and J. Michael Ramsey
"Surface Coating Method for Controlling Electroosmotic Flow for CE-ESI-MS" (oral)

William Black, J. Scott Mellors, and J. Michael Ramsey
"Development of a Multi-Dimensional Separations Platform" (oral)

Kevin Schultze, M. Bonner Denton, and J. Michael Ramsey
“Investigation of Pressure Tolerant Faraday Cup Detectors for High Pressure Mass Spectrometry" (oral)

Craig Cavanaugh, Kenion Blakeman, Tina Stacy, Stanley Pau, and J. Michael Ramsey
"A Microionizer for High Pressure Mass Spectrometry Using Air Buffer Gas” (oral)

Kenion Blakeman, Craig Cavanaugh, Kevin Schultze, and J. Michael Ramsey
“High Pressure Mass Spectrometry with Microscale Cylindrical Ion Trap Arrays” (oral)

Andrew Hampton, William M. Gilliland Jr., and J. Michael Ramsey
"Collision Induced Dissociation at 1 Torr in a Microscale Ion Trap Mass Spectrometer" (poster)

9th Harsh-Environment Mass Spectrometry Workshop, St. Pete Beach, FL (September 2013)

Kenion Blakeman, Craig Cavanaugh, and J. Michael Ramsey
“High Pressure Nitrogen and Air Mass Spectrometry with Microscale Ion Traps” (oral)

Craig Cavanaugh, Kenion Blakeman, Mac Gilliland, Bruno Coupier, and J. Michael Ramsey
“Trapping and Analysis of Externally Generated Ions in a Miniature Cylindrical Ion Trap” (oral)

Kevin P. Schultze, Kenion H. Blakeman, Craig A. Cavanaugh, Andrew S. Hampton, and J. Michael Ramsey. 
“Development of a Compact, Isobaric Chamber for High Pressure Mass Spectrometry of Ambient Organics” (poster)

61st American Society for Mass Spectrometry Conference, Minneapolis, MN (June 2013)

J. Scott Mellors, Nicholas G. Batz, Martin Green and J. Michael Ramsey
"Sub-second CE-ESI-MS using microfluidic devices and a novel method for acquiring high speed TOF-MS data" (oral)

Craig A. Cavanaugh, Kenion H. Blakeman, Tina E. Stacy, Derek W. Wolfe, Stanley Pau, J. Michael Ramsey
“Characterization of a low-power, pressure-tolerant microionizer” (poster)

Derek W. Wolfe, Travis M. Falconer, Roger P. Sperline, M. Bonner Denton, J. Michael Ramsey
"High-Pressure CIT Mass Spectrometry with a Solid-State CTIA Detector" (poster)

Kenion Blakeman and J. Michael Ramsey
"Increasing the Drive Frequency of a Microscale Cylindrical Ion Trap for Improved High Pressure Performance" (poster)

Kevin P. Schultze and J. Michael Ramsey
"Characterization of a Novel Ion Trap Geometry for Higher Capacity Trapping in Microscale Mass Spectrometry (poster)

Andrew Hampton, Kenion Blakeman, Bruno Coupier, Derek Wolfe, and J. Michael Ramsey
"Effects of Elevated Pressure on the Secular Frequencies of Ions in a Cylindrical Ion Trap" (poster)

Dmitriy Chernookiy, Bruno Coupier, and J. Michael Ramsey
"Miniature Cylindrical Ion Trap Geometry Optimization and Parameter Scaling" (poster)

Bruno Coupier, Sorin Mitran, Andrew Hampton, Kenion Blakeman and J. Michael Ramsey
"High pressure simulations investigations in miniature ion traps" (poster)

Sorin Mitran, Bruno Coupier, and J. Michael Ramsey,  “CITSIM: Collisional Ion Trap Simulator for trajectory computation under unsteady flow conditions ranging from near-vacuum to atmospheric pressure” (poster)

37th International Symposium on Capillary Chromatography, Palm Springs, CA (May 2013)

Will Black, J. Scott Mellors, and J. Michael Ramsey
"Development of a LC-CE-ESI Platform for Peptide Mapping Applications" (oral)

Pittcon 2013, Philadelphia, PA (March 2013)

Laurent D. Menard, Jinsheng Zhou, Chad E. Mair, Michael E. Woodson, Jean Pierre Alarie, and J. Michael Ramsey “Nanochannel Networks for Manipulating and Characterizing Single DNA Molecules” (oral)

Joseph C. Gaiteri, W. Hampton Henley, Jean Pierre Alarie, and J. Michael Ramsey
"A Microfluidic Assay for Determination of Kinase Phosphorylation" (oral)

29th International Symposium on MicroScale Bioseparations, Charlottesville, VA (March 2013)

Nicholas Batz, J. Scott Mellors, and J. Michael Ramsey
“Chemical Vapor Deposition of Aminopropyl Silanes for High Efficiency Microchip CE-ESI-MS” (oral)

Will Black, J. Scott Mellors and J. Michael Ramsey
"Integrating Solid Phase Extraction with Microchip CE-ESI" (oral)

Southeastern Regional Meeting of the American Chemical Society, Raleigh, NC (November 2012)

Kenion Blakeman, Craig Cavanaugh, Derek Wolfe, and J. Michael Ramsey.  “Detecting Volatile Organic Compounds at High Pressure by Mass Spectrometry” (poster)

Craig A. Cavanaugh, Kenion H. Blakeman, Tina E. Stacy, Derek W. Wolfe, Stanley Pau, J. Michael Ramsey
“Towards a low-power, pressure-tolerant microionizer for handheld mass spectrometry” (poster)

Laurent D. Menard, Jinsheng Zhou, and J. Michael Ramsey
“Manipulation and Characterization of Single DNA Molecules in Nanofluidic Devices” (oral)

Microscopy and Microanalysis 2012, Phoenix, AZ (Jul. 29 – Aug. 2, 2012).

Laurent D. Menard, Jinsheng Zhou, Michael E. Woodson, Chad E. Mair, Jean Pierre Alarie, and J. Michael Ramsey “Focused Ion Beam Milled Nanochannels for Confinement Enabled DNA Single-Molecule Studies” (oral)

38th International Symposium on High Performance Liquid Phase Separations and Related Techniques, Anaheim, CA (June 2012)

Nicholas Batz, J. Scott Mellors, and J. Michael Ramsey
“Development of Surface Coating Chemistry for Microchip CE-ESI” (poster)

Will Black, J. Scott Mellors, and J. Michael Ramsey
"Microchip CE-ESI-MS of Small Polar Molecules" (poster)

36th International Symposium on Capillary Chromatography, Riva del Garda, Italy (May 2012)

J. Scott Mellors, Nicholas G. Batz, and J. Michael Ramsey
“Microfluidic devices with integrated electrospray ionization for the analysis of biopharmaceuticals” (oral)

60th American Society for Mass Spectrometry Conference, Vancouver, BC (May 2012)

Derek W. Wolfe and J. Michael Ramsey
"High-Pressure Mass Spectrometry in Microscale Cylindrical Ion Traps" (poster)

Bruno Coupier, Derek W. Wolfe, Kenion Blakeman, Tina Stacy, Collin McKinney, Joseph C. Matteo, and J. Michael Ramsey "Development of a miniature ion trap mass spectrometer for applications requiring portability" (poster)

27th International Symposium on MicroScale Bioseparations and Analyses, Genever, Switzerland (February 2012)

Jinsheng Zhou, Laurent D. Menard, Jean Pierre Alarie and J. Michael Ramsey
"Trapping single DNA molecules in three-dimensional nanofunnels"
(oral)

FEI FIB/DualBeam User Club Meeting, Hillsboro, OR (October, 2011)

Menard, L. D.; Ramsey, J. M.
"FIB Milled Nanochannels and Nanopores for DNA Single-Molecule Studies."
(oral)

The 15th International Conference on Miniaturized Systems for Chemistry and Life Sciences, Seatle, WA (October 2011)

Shelly R. Beard, Wm. Hampton Henley, Jean Pierre Alarie, and J. Michael Ramsey
"Microwell Array PCR Chip for Study of Genetically Engineered Mouse Stem Cells"
(poster)

Menard, L. D.; Zhou, J. S.; Woodson, M. E.; Mair, C. E.; Alarie, J. P.; Ramsey, J. M.
"Single Molecule Dynamics of DNA during Electrokinetic Transport through Nanofluidic Channels."
(poster)

Woodson, M. E.; Menard, L. D.; Mair, C. E.; Alarie, J. P.; Ramsey, J. M.
"Transverse Conductance Measurements of Single DNA Molecules."
(poster)

Emily Oblath, Wm. Hampton Henley, Jean Pierre Alarie, and J. Michael Ramsey
"A Microfluidic Chip Combining DNA Extraction and Real-time PCR For Identifying Bacteria in Saliva"
(poster)

59th American Society for Mass Spectrometry Conference, Denver, CO (June 2011)

Derek W. Wolfe, Dmitriy Chernookiy, Tina Stacy, Matthew Verber, Collin McKinney and J. Michael Ramsey
"RF Amplifier Optimization for Improved Resolution in Microscale Cylindrical Ion Traps"
(poster)

26th International Symposium on MicroScale Bioseparations, San DIego, CA (May 2011)

Emily Oblath, Wm. Hampton Henley, Jean Pierre Alarie, and J. Michael Ramsey
"Microfluidic Chip-based Genomic DNA Extraction and Real-time PCR for the identification of Bacteria in Saliva"
(oral)

34th International Symposium on Capillary Chromatography, Riva del Garda, Italy (May 2010)

Laurent Menard and J. Michael Ramsey
“DNA Transport In Nanochannels: The Role Of Entropy And Single-Molecule Dynamics”
(poster)

J. Scott Mellors, Andrew G. Chambers, and J. Michael Ramsey
"Microchip Separations with Integrated Electrospray Ionization MS"
(poster)

Joshua Herr, Soren Johnson, Jean Pierre Alarie, Norman Sharpless, and J. Michael Ramsey
"Microfluidic Flow Cytometry for Blood Cell Enumeration"
(oral)

58th American Society for Mass Spectrometry Conference, Salt Lake City, UT (May 2010)

Derek W. Wolfe, Travis M. Falconer, Joseph C. Matteo, and J. Michael Ramsey
"In situ Optimization of Microscale Cylindrical Ion Trap Geometry"
(poster)

Travis M. Falconer, Derek W. Wolfe, Collin J. McKinney, Wit Wisniewski,
M. Bonner Denton, J. Michael Ramsey
"High Pressure Ion Detection for Miniaturized Mass Spectrometers"
(poster)

27th Triangle Chromatography Discussion Group Conference, Raleigh, NC (May 2010)

Andrew G. Chambers, J. Scott Mellors, and J. Michael Ramsey
"Analysis of Monoclonal Antibodies by LC/CE-MS"
(poster)

Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy, Orlando, FL (February 2010)

Joshua Herr, Soren Johnson, Jean Pierre Alarie, Norman Sharpless, and J. Michael Ramsey
"Applications of Microfluidic Flow Cytometry"
(oral)

April L. R. Holland, Laurent D. Menard, and J. Michael Ramsey
"Layered Modification of Solid-State Nanopores for Detecting Protein-Antibody Complexes"
(oral)