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Fundamental and Computational Sciences Directorate

Staff information

Randy Norheim

Scientific & Computing Operations
Technologist
Pacific Northwest National Laboratory
PO Box 999
MSIN: K8-91
Richland, WA 99352

PNNL Publications

2017

  • Deng L, IK Webb, VBS Garimella, AM Hamid, X Zheng, RV Norheim, SA Prost, GA Anderson, JA Sandoval, EM Baker, YM Ibrahim, and RD Smith. 2017. "Serpentine Ultralong Path with Extended Routing (SUPER) High Resolution Traveling Wave Ion Mobility-MS using Structures for Lossless Ion Manipulations." Analytical Chemistry 89(8):4628-4634.  doi:10.1021/acs.analchem.7b00185
  • Deng L, VBS Garimella, AM Hamid, IK Webb, IK Attah, RV Norheim, SA Prost, X Zheng, JA Sandoval, EM Baker, YM Ibrahim, and RD Smith. 2017. "Compression Ratio Ion Mobility Programming (CRIMP) Accumulation and Compression of Billions of Ions for Ion Mobility-Mass Spectrometry Using Traveling Waves in Structures for Lossless Ion Manipulations (SLIM)." Analytical Chemistry 89(12):6432-6439.  doi:10.1021/acs.analchem.7b00189

2016

  • Chen TC, YM Ibrahim, IK Webb, VBS Garimella, X Zhang, AM Hamid, L Deng, WE Karnesky, SA Prost, JA Sandoval, RV Norheim, GA Anderson, AV Tolmachev, ES Baker, and RD Smith. 2016. "Mobility-Selected Ion Trapping and Enrichment Using Structures for Lossless Ion Manipulations." Analytical Chemistry 88(3):1728-1733.  doi:10.1021/acs.analchem.5b03910
  • Deng L, YM Ibrahim, AM Hamid, VBS Garimella, IK Webb, X Zheng, SA Prost, JA Sandoval, RV Norheim, GA Anderson, AV Tolmachev, ES Baker, and RD Smith. 2016. "Ultra-High Resolution Ion Mobility Separations Utilizing Traveling Waves in a 13-m Serpentine Path Length Structures for Lossless Ion Manipulations Module." Analytical Chemistry 88(18):8957-8964.  doi:10.1021/acs.analchem.6b01915
  • Deng L, YM Ibrahim, ES Baker, NA Aly, AM Hamid, X Zhang, X Zheng, VBS Garimella, IK Webb, SA Prost, JA Sandoval, RV Norheim, GA Anderson, AV Tolmachev, and RD Smith. 2016. "Ion Mobility Separations of Isomers based upon Long Path Length Structures for Lossless Ion Manipulations Combined with Mass Spectrometry." ChemistrySelect 1(10):2396-2399.  doi:10.1002/slct.201600460
  • Deng L, YM Ibrahim, VBS Garimella, IK Webb, AM Hamid, RV Norheim, SA Prost, JA Sandoval, EM Baker, and RD Smith. 2016. "Greatly Increasing Trapped Ion Populations for Mobility Separations Using Traveling Waves in Structures for Lossless Ion Manipulations." Analytical Chemistry 88(20):10143-10150.  doi:10.1021/acs.analchem.6b02678
  • Garimella VBS, AM Hamid, L Deng, YM Ibrahim, IK Webb, EM Baker, SA Prost, RV Norheim, GA Anderson, and RD Smith. 2016. "Squeezing of Ion Populations and Peaks in Traveling Wave Ion Mobility Separations and Structures for Lossless Ion Manipulations using Compression Ratio Ion Mobility Programming." Analytical Chemistry 88(23):11877-11885.  doi:10.1021/acs.analchem.6b03660
  • Hamid AM, VBS Garimella, YM Ibrahim, L Deng, X Zheng, IK Webb, GA Anderson, SA Prost, RV Norheim, AV Tolmachev, ES Baker, and RD Smith. 2016. "Achieving high resolution ion mobility separations using traveling waves in compact multi-turn Structures for Lossless Ion Manipulations modules." Analytical Chemistry 88(18):8949-8956.  doi:10.1021/acs.analchem.6b01914
  • Ibrahim YM, VBS Garimella, SA Prost, R Wojcik, RV Norheim, EM Baker, I Rusyn, and RD Smith. 2016. "Development of an Ion Mobility Spectrometry-Orbitrap Mass Spectrometer Platform." Analytical Chemistry 88(24):12152-12160.  doi:10.1021/acs.analchem.6b03027
  • Webb IK, VBS Garimella, RV Norheim, ES Baker, YM Ibrahim, and RD Smith. 2016. "A Structures for Lossless Ion Manipulations (SLIM) Module for Collision Induced Dissociation." Journal of the American Society for Mass Spectrometry 27(7):1285-1288.  doi:10.1007/s13361-016-1397-x

2015

  • Chen TC, IK Webb, SA Prost, MB Harrer, RV Norheim, K Tang, YM Ibrahim, and RD Smith. 2015. "Rectangular Ion Funnel: A New Ion Funnel Interface for Structures for Lossless Ion Manipulations." Analytical Chemistry 87(1):716-722.  doi:10.1021/ac503564c
  • Ibrahim YM, EM Baker, WF Danielson, RV Norheim, DC Prior, GA Anderson, ME Belov, and RD Smith. 2015. "Development of a New Ion Mobility Time-of-Flight Mass Spectrometer." International Journal of Mass Spectrometry 377:655-662.  doi:10.1016/j.ijms.2014.07.034
  • Ibrahim YM, ES Baker, WF Danielson, RV Norheim, DC Prior, GA Anderson, ME Belov, and RD Smith. 2015. "Development of a New Ion Mobility (Quadrupole) Time-of-Flight Mass Spectrometer." International Journal of Mass Spectrometry 377:655-662.  doi:10.1016/j.ijms.2014.07.034
  • Chen Y, FE Leach, III, NK Kaiser, X Dang, YM Ibrahim, RV Norheim, GA Anderson, RD Smith, and AG Marshall. 2015. "Improved ion optics for introduction of ions into a 9.4-T Fourier transform ion cyclotron resonance mass spectrometer." Journal of Mass Spectrometry 50(1):280-284.  doi:10.1002/jms.3523
  • Gunaratne KDD, V Prabhakaran, YM Ibrahim, RV Norheim, GE Johnson, and J Laskin. 2015. "Design and Performance of a High-Flux Electrospray Ionization Source for Ion Soft-Landing." Analyst 140(9):2957-2963.  doi:10.1039/C5AN00220F
  • Hamid AM, YM Ibrahim, VBS Garimella, IK Webb, L Deng, TC Chen, GA Anderson, SA Prost, RV Norheim, AV Tolmachev, and RD Smith. 2015. "Characterization of Traveling Wave Ion Mobility Separations in Structures for Lossless Ion Manipulations." Analytical Chemistry 87(22):11301-11308.  doi:10.1021/acs.analchem.5b02481
  • Lin TY, GA Anderson, RV Norheim, SA Prost, BL Lamarche, FE Leach, III, KJ Auberry, RD Smith, DW Koppenaal, EW Robinson, and L Pasa-Tolic. 2015. "An Adaptable Multiple Power Source for Mass Spectrometry and other Scientific Instruments." Review of Scientific Instruments 86(9):Article No. 094102.  doi:10.1063/1.4930967
  • Zhang X, VBS Garimella, SA Prost, IK Webb, TC Chen, K Tang, AV Tolmachev, RV Norheim, ES Baker, GA Anderson, YM Ibrahim, and RD Smith. 2015. "Ion Trapping, Storage, and Ejection in Structures for Lossless Ion Manipulations ." Analytical Chemistry 87(12):6010-6016.  doi:10.1021/acs.analchem.5b00214
  • Zhang X, YM Ibrahim, TC Chen, JE Kyle, RV Norheim, ME Monroe, RD Smith, and ES Baker. 2015. "Enhancing Biological Analyses with Three Dimensional Field Asymmetric Ion Mobility, Low Field Drift Time Ion Mobility and Mass Spectrometry (µFAIMS/IMS-MS) Separations." Analyst 140:6955-6963.  doi:10.1039/c5an00897b

2014

  • Leach FE, III, RV Norheim, GA Anderson, and L Pasa-Tolic. 2014. "Application of Printed Circuit Board Technology to FT-ICR MS Analyzer Cell Construction and Prototyping." Journal of the American Society for Mass Spectrometry 25(12):2069-2072.  doi:10.1007/s13361-014-0952-6
  • Webb IK, VBS Garimella, AV Tolmachev, TC Chen, X Zhang, JT Cox, RV Norheim, SA Prost, BL Lamarche, GA Anderson, YM Ibrahim, and RD Smith. 2014. "Mobility-Resolved Ion Selection in Uniform Drift Field Ion Mobility Spectrometry/Mass Spectrometry; Dynamic Switching in Structures for Lossless Ion Manipulations ." Analytical Chemistry 86(19):9632-9637.  doi:10.1021/ac502139e
  • Webb IK, VBS Garimella, AV Tolmachev, TC Chen, X Zhang, RV Norheim, SA Prost, BL Lamarche, GA Anderson, YM Ibrahim, and RD Smith. 2014. "Experimental Evaluation and Optimization of Structures for Lossless Ion Manipulations for Ion Mobility Spectrometry with Time-of-Flight Mass Spectrometry." Analytical Chemistry 86(18):9169-9176.  doi:10.1021/ac502055e

2013

  • Shvartsburg AA, TA Seim, WF Danielson, III, RV Norheim, RJ Moore, GA Anderson, and RD Smith. 2013. "High-Definition Differential Ion Mobility Spectrometry with Resolving Power up to 500." Journal of the American Society for Mass Spectrometry 24(1):109-114.  doi:10.1007/s13361-012-0517-5

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