Group Meeting Presentations 2011

Month	Week 1	Week 2	Week 3	Week 4	Week 5
January	January 2 Happy New Year!	January 9 Ryan- Paper "From protein complexes to subunit backbone fragments: a multi-stage approach to native MS" Nathan- Paper "Fragmentation of positively-charged biological ions activated with a beam of high-energy cations"	January 16 Zhou- Research Update Alice- Paper "Proteins with highly similar native folds can show vastly dissimilar folding behavior when desolvated"	January 23 Nicole- Paper "IRMPD action spectroscopy of alkali metal cation-cytosine complexes: effects of alkali metal cation size on gas phase conformation" Christine- Paper "Presentation of a homobifunctional azo-reagent for protein structure analysis by CID chemical cross-linking: proof of principle"	January 30 Stella- Paper "Structural characterization of glycerophospholipids by combinations of ozone- and CID-MS: the next step towards "top-down" lipidomics" Eric- Paper "A high dynamic range pulse counting detection system for mass spectrometry"
February	February 6 Josh- Paper "Intercluster reactions show that (CH₃)₂S⁺CH₂CO₂H is a better methyl cation donor than (CH₃)₃N⁺CH₂CO₂H" Jason-Paper "Estimation of activation energy from the survival yields: fragmentation study of leucine enkephalin and polyethers by tandem MS"	February 13 Carl- Paper "Insights into the binding sites of organometallic ruthenium anticancer compounds on peptides using ultra-high resolution MS" Will- Paper "Implementation of dipolar resonant excitation for CID with IM-TOF-MS"	February 20 Corinne- Research Update	February 27 Ryan- Paper "Quantitative MS independence from matrix effects and detector saturation achieved by flow injection analysis with real-time infinite dilution" Nathan- Paper "Neutron-encoded mass signatures for quantitative top-down proteomics" and "Neutron-encoded mass signatures for multiplexed proteome quantification"
March	March 6 Zhou- Paper "Mass shifting and radical delivery with crown ether attachment for separation and analysis of phosphatidylethanolamine lipids" Alice- Paper "Cation-induced stabilization of protein complexes in the gas phase: mechanistic insights from hemoglobin dissociation studies"	March 13 Nicole- Paper "Radical additions to aromatic residues in peptides facilitate unexpected side chain and backbone losses" John- Paper "Non-direct sequence ions in the tandem MS of protonated peptide amides-an energy-resolved study"	March 20 No Group Meeting	March 27 Eric- Paper "Conformational ordering of biomolecules in the gas phase: nitrogen collision cross sections measured on a prototype high resolution drift tube IM-MS" Christine- Paper "Rapid profiling of laser-induced photochemistry in single microdroplets using MS"
April	April 3 Stella- Paper "Mass selective axial ion ejection from a linear quadrupole ion trap" Josh- Paper "Identification of inherently antioxidant regions in proteins with radical-directed dissociation MS"	April 10 Jason- Paper "Space charge induced nonlinear effects in quadrupole ion traps" Will- Orbitrap vs. ICR vs. TOF "Orbitrap Mass Spectrometry"	April 17 Carl- Research Update Corinne- Paper "Laser electrospray MS minimizes ion suppression facilitating quantitative mass spectral response for multicomponent mixtures of proteins"	April 24 Ryan- Research Update Nathan- Paper "Solution additives for supercharging proteins beyond the theoretical maximum proton-transfer limit in ESI-MS"
May	May 1 Zhou- Paper "Effects of cations on protein and peptide charging in ESI from aqueous solutions" Alice- Paper "Separation of protein conformers by differential mobility in hydrogen-rich gases"	May 8 Nicole- Paper "Structural characterization of the UV-induced fragmentation products in an ion trap by IRMPD spectroscopy" John- Paper "De novo sequencing of peptides using selective 351 nm UVPD MS"	May 15 Christine- Research Update Eric- Paper "Improving the sensitivity of MS by using a new sheath flow electrospray emitter array at subambient pressures"	May 22 Josh- Research Update Stella- Paper "Improved sphingolipidomic approach based on UHPLC and multiple MS with application to cellular neurotoxicity"	May 29 Carl- Paper "Direct identification of tyrosine sulfation by using UVPD-MS" Jason- LaTeX introduction and demonstration
June	June 5 Nathan- Paper "Insights into the mechanism of protein ESI from salt adduction measurements"	June 12 Prepare for ASMS	June 19 ASMS	June 26 Corinne- Paper "DMSO enhances electrospray response, boosting sensitivity of proteomic experiments" Ryan- How to write a paper
July	July 3 Zhou- Paper "Evidence for ion-ion interactions between peptides and anions (HSO₄^- or ClO₄^-) derived from high acidity acids" Alice- Paper "Direct analysis of large living organism by megavolt electrostatic ionization MS"	July 10 Nicole- ASMS Presentations John- Paper and ISMS presentation "Differentiating sulfopeptide and phosphopeptide ions via resonant infrared photodissociation"	July 17 Josh- Literature Review: Radical Ion Chemistry Eric- ASMS Presentations	July 24 Christine- Research Update/ASMS Presentations Stella- Research Update/ASMS Presentations	July 31 Carl- Paper "Diethylpyrocarbonate labeling for the structural analysis of proteins: label scrambling in solution and how to avoid it" Jason- ASMS Presentation
August	August 7 Andrew- Review of Graduate Research and Oleg's Octopole Zhou- Paper and ASMS Presentations "Investigations of the mechanism of the "proline effect" in tandem MS experiments: the "pipecolic acid effect""	August 14 Alice- Paper "Mass spectrometric strategies to improve the identification of Pt(II)-modification sites on peptides and proteins" Corinne- Paper "Detection of large ions in TOF-MS: effects of ion mass and acceleration voltage on MCP detector response"	August 21 Department Welcome Picnic	August 28 Nicole- Paper "Formation of sugar radical cations from CID of non-covalent complexes with S-nitroso thyil radical precursors" John- Paper "Comparison of glycopeptide fragmentation by CID and UVPD"
September	September 4 Eric- Paper "A novel multipass oa-TOF mass spectrometer" Christine- Paper "Theta glass capillaries in ESI: rapid mixing and short droplet lifetimes"	September 11 Carl- Research Update Josh- Paper "Ion funnel augmented Mars atmospheric pressure photoionization MS for in situ detection of organic molecules"	September 19 Thesis Interview	September 25 Andrew- Thesis Research Corinne- Research Update
October	October 2 Stella- Eli Lilly Update Zhou- Research Update	October 9 Alice- Research Update Jason- Paper "Ion trap electric field characterization using slab coupled optical fiber sensors"	October 16 Nicole- Paper "Identification of daughter ions through their electronic spectroscopy at low temperature" John- Paper "Action-FRET: Probing the molecular conformation of mass-selected gas-phase peptides with FRET detected by acceptor-specific fragmentation"	October 23 Feifei- Paper "Coupling solid-phase microextraction with ambient MS using surface coated wooden-tip probe for rapid analysis of ultra trace perfluorinated compounds in complex samples" Christine- Paper "Analyte migration ESI for rapid analysis of complex samples with small volume using MS"	October 30 Eric- Paper "Towards miniaturization of TOF-MS: A static voltage linear resonator-like set up for ion packages" Stella- Paper "New covalent modifications of phosphatidylethanolamine by alkanals: MS based structural characterization and biological effects"
November	November 6 First Year Welcome Talk	November 13 Josh- Paper "Comparison of glycopeptide fragmentation by CID and UVPD" Christine- Practice Turkey Run Presentation	November 20 Carl- Paper "The Competitive Influence of Li+, Na+, K+, Ag+ and H+ on the Fragmentation of a PEGylated Polymeric Excipient" Jason- Paper " Novel Radio-frequency Quadrupole Ion Trap with Spherical Geometry"	November 27 Happy Thanksgiving!
December	December 4 Corrine- Paper "Desalting protein ions in native mass spectrometry using supercharging reagents" Andrew- Paper " Optically detected, single nanoparticle mass spectrometer with pre-filtered electrospray nanoparticle source"	December 11 Nicole- Paper "Photodissociation of Conformer-Selected Ubiquitin Ions Reveals Site-Specific Cis/Trans Isomerization of Proline Peptide Bonds" Alice- Research Update	December 18 Josh- Paper "A Mass-Spectrometry-Based Framework To Define the Extent of Disorder in Proteins" Stella- Paper " A Novel Route to Recognizing Quaternary Ammonium Cations Using Electrospray Mass Spectrometry"	December 25 Happy Holidays!