Publications by authors named "Conner C Harper"

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Atmospheric Sampling Mass Spectrometers Activate and Ionize Neutral Water Microdroplets to MeV Energies and up to 200,000+ Charges: Implications for Water Stability and Unusual Chemistry in Microdroplets.
Matthew S McPartlan, Casey J Chen, Conner C Harper, Zachary M Miller, Julian Robles

ACS Cent Sci· December 2025

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Characterizing Monoclonal Antibody Aggregation Using Charge Detection Mass Spectrometry and Industry Standard Methods.
Jacob S Jordan, Conner C Harper, Fan Zhang, Esther Kofman, Miranda Sam

J Am Soc Mass Spectrom· June 2025

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Spontaneous Fission of Charged Water Nanodrops: Unveiling the Stochastic Nature of Fission Pathways and Dynamics.
Veena S Avadhani, Conner C Harper, Zachary M Miller, Evan R Williams

J Am Chem Soc· June 2025

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High performance charge detection mass spectrometry without ultra-high vacuum.
Emeline Hanozin, Conner C Harper, Jacob S Jordan, Zachary M Miller, Evan R Williams

Analyst· April 2025

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Understanding the Formation Dynamics and Physical Properties of Nanocapsules Using Charge Detection Mass Spectrometry.
Conner C Harper, Tracy H Schloemer, Jacob S Jordan, Nicole Heflin, Pournima Narayanan

ACS Nano· January 2025

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High-Throughput Single-Particle Characterization of Aggregation Pathways and the Effects of Inhibitors for Large (Megadalton) Protein Oligomers.
Jacob S Jordan, Conner C Harper, Evan R Williams

Anal Chem· December 2024

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Charge Detection Mass Spectrometry Reveals Conformational Heterogeneity in Megadalton-Sized Monoclonal Antibody Aggregates.
Jacob S Jordan, Conner C Harper, Fan Zhang, Esther Kofman, Mandy Li

J Am Chem Soc· August 2024

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Characterization of Mass, Diameter, Density, and Surface Properties of Colloidal Nanoparticles Enabled by Charge Detection Mass Spectrometry.
Conner C Harper, Jacob S Jordan, Steven Papanu, Evan R Williams

ACS Nano· July 2024

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Ion emission from 1-10 MDa salt clusters: individual charge state resolution with charge detection mass spectrometry.
Matthew S McPartlan, Conner C Harper, Emeline Hanozin, Evan R Williams

Analyst· January 2024

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Combined Multiharmonic Frequency Analysis for Improved Dynamic Energy Measurements and Accuracy in Charge Detection Mass Spectrometry.
Conner C Harper, Zachary M Miller, Evan R Williams

Anal Chem· November 2023

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Dynamics of Rayleigh Fission Processes in ∼100 nm Charged Aqueous Nanodrops.
Emeline Hanozin, Conner C Harper, Matthew S McPartlan, Evan R Williams

ACS Cent Sci· August 2023

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Dynamic Energy Measurements in Charge Detection Mass Spectrometry Eliminate Adverse Effects of Ion-Ion Interactions.
Conner C Harper, Veena S Avadhani, Emeline Hanozin, Zachary M Miller, Evan R Williams

Anal Chem· July 2023

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Lighting Up at High Potential: Effects of Voltage and Emitter Size in Nanoelectrospray Ionization.
Jacob S Jordan, Zachary M Miller, Conner C Harper, Emeline Hanozin, Evan R Williams

J Am Soc Mass Spectrom· June 2023

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Accurate Sizing of Nanoparticles Using a High-Throughput Charge Detection Mass Spectrometer without Energy Selection.
Conner C Harper, Zachary M Miller, Matthew S McPartlan, Jacob S Jordan, Randall E Pedder

ACS Nano· April 2023

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Characterizing Heterogeneous Mixtures of Assembled States of the Tobacco Mosaic Virus Using Charge Detection Mass Spectrometry.
Amanda J Bischoff, Conner C Harper, Evan R Williams, Matthew B Francis

J Am Chem Soc· December 2022

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Apodization Specific Fitting for Improved Resolution, Charge Measurement, and Data Analysis Speed in Charge Detection Mass Spectrometry.
Zachary M Miller, Conner C Harper, Hyuncheol Lee, Amanda J Bischoff, Matthew B Francis

J Am Soc Mass Spectrom· November 2022

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Effects of Molecular Size on Resolution in Charge Detection Mass Spectrometry.
Conner C Harper, Zachary M Miller, Hyuncheol Lee, Amanda J Bischoff, Matthew B Francis

Anal Chem· August 2022

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Direct observation of ion emission from charged aqueous nanodrops: effects on gaseous macromolecular charging.
Conner C Harper, Daniel D Brauer, Matthew B Francis, Evan R Williams

Chem Sci· February 2021

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Enhanced Multiplexing in Fourier Transform Charge Detection Mass Spectrometry by Decoupling Ion Frequency from Mass to Charge Ratio.
Conner C Harper, Evan R Williams

J Am Soc Mass Spectrom· December 2019

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Effects of Individual Ion Energies on Charge Measurements in Fourier Transform Charge Detection Mass Spectrometry (FT-CDMS).
Andrew G Elliott, Conner C Harper, Haw-Wei Lin, Evan R Williams

J Am Soc Mass Spectrom· June 2019

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Multiplexed Charge Detection Mass Spectrometry for High-Throughput Single Ion Analysis of Large Molecules.
Conner C Harper, Andrew G Elliott, Luke M Oltrogge, David F Savage, Evan R Williams

Anal Chem· June 2019

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Barriers for Extrusion of a Guest from the Interior Binding Cavity of a Host: Gas Phase Experimental and Computational Results for Ion-Capped Decamethylcucurbit[5]uril Complexes.
Samuel M Hickenlooper, Conner C Harper, Brigham L Pope, Daniel N Mortensen, David V Dearden

J Phys Chem A· November 2018

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Determining Energies and Cross Sections of Individual Ions Using Higher-Order Harmonics in Fourier Transform Charge Detection Mass Spectrometry (FT-CDMS).
Conner C Harper, Andrew G Elliott, Haw-Wei Lin, Evan R Williams

J Am Soc Mass Spectrom· September 2018

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Simultaneous Measurements of Mass and Collisional Cross-Section of Single Ions with Charge Detection Mass Spectrometry.
Andrew G Elliott, Conner C Harper, Haw-Wei Lin, Anna C Susa, Zijie Xia

Anal Chem· July 2017

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Mass, mobility and MS measurements of single ions using charge detection mass spectrometry.
Andrew G Elliott, Conner C Harper, Haw-Wei Lin, Evan R Williams

Analyst· July 2017

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