Z. G. Mayes, W. H. Rice, L. Chi, K. Woelk, A robust Freeman-Hill-inspired pulse protocol for ringdown-free T1 relaxation measurements, J. Magn. Reson.2023, 352, 107490.
N. T. Moon, K. Woelk, G. S. Grubbs II, Construction and Demonstration of a 6–18 GHz Microwave Three-Wave Mixing Experiment Using Multiple Synchronized Arbitrary Waveform Generators, Symmetry 2022, 14, 848.
Featured Article and Cover Art
A. Priester, R. Waters, A. Abbott, K. Hilmas, K. Woelk, H. A. Miller, A. W. Tarudji, C. C. Gee, B. McDonald, F. M. Kievit, A. J. Convertine, Theranostic Copolymers Neutralize Reactive Oxygen Species and Lipid Peroxidation Products for the Combined Treatment of Traumatic Brain Injury, Biomacromolecules 2022, 23, 1703–1712.
Recent (2016 -2020)
K. Woelk, P. D. Whitefield, As close as it might get to the real lab experience – Live-streamed laboratory activities, in “Insights Gained While Teaching Chemistry in the Time of COVID-19” (Special Issue), J. Chem. Educ.2020, 97, 2996-3001.
M. Huang, S. Chen, J. Huang, R. E. Gerald II, K. Woelk, NMR Studies of Materials Loaded into Porous-Wall Hollow Glass Microspheres, Mater. Sci. Eng. C2020, 116, 111177.
T. R. McDowell, E. T. Schmittzehe, A. J. Duerden, D. Cernusca, H. Collier, K. Woelk, A Student-Choice Model to Address Diverse Needs and Promote Active Learning, J. Sci. Educ. Technol.2019, 28, 321-328.
L. Chi, M. Huang, A. R. Pfaff, J. Huang, R. E. Gerald II, K. Woelk, Capillary-tube package devices for the quantitative performance evaluation of nuclear magnetic resonance spectrometers and pulse sequences, Rev. Sci. Instrum.2018, 89, 123115.
A. R. Pfaff, K. Woelk, A Fast and Convenient Way to Predict Relaxation during a Frequency-selective Adiabatic Hyperbolic Secant Pulse (HS1 Sech Pulse), Appl. Magn. Reson.2018, 49, 479-491.
A. R. Pfaff, C. McKee, K. Woelk, Predicting the Effect of Relaxation during Frequency-selective Adiabatic Pulses, J. Magn. Reson.2017, 284, 99–103.
A. J. Mundahl, S. P. Berg, J. L. Rovey, M. Huang, K. Woelk, D. V. Wagle, G. Baker, Characterization of a Novel Ionic Liquid Monopropellant for Multi-Mode Propulsion, AIAA Propulsion and Energy Forum, (AIAA 2017-4756).
S. B. Burchett, A. R. Pfaff, J. L. Hayes, K. Woelk, Exploding Misconceptions: Developing a Culture of Safety through Learner Driven Activity, J. Chem. Health Saf.2017, 24, 36-42.
T. R. McDowell, E. T. Satterfield, K. Woelk, H. Collier, Fostering a Positive Collaborative Learning Experience in an Optional Student Success Program, J. Mod. Educ. Rev.2016, 6, 561–567.
S. B. Burchett, J. L. Hayes, A. R. Pfaff, E. T. Satterfield, A. Skyles, K. Woelk, Piloting Blended Strategies to Resolve Laboratory Capacity Issues in a First-Semester General Chemistry Course, J. Chem. Educ.2016, 93, 1217–1222.
E. T. Satterfield, A. R. Pfaff, W. Zhang, L. Chi, R. E. Gerald II, K. Woelk, Exponentially Converging Eradication Pulse Train (EXCEPT) for Solvent-Signal Suppression in Investigations with Variable T1 Relaxation Times, J. Magn. Reson.2016, 268, 68–72.
Classics (1990-2015)
K. Woelk, How heavy are you? – Find the Answer in the Periodic Table, J. Chem. Educ.2015, 92, 1757–1758.
K. Woelk, E.T. Satterfield, Course Redesign Introduces Flexibility and Increases Student Success, http://www.pearsonmylabandmastering.com/northamerica/results/files/MC_MO_of_U(2).pdf, published online at MasteringChemistry.com (12/27/2013) 56-57, Pearson Education 2013.
K. Woelk, E. T. Satterfield, D. Cernusca, Case Study: Students Rate MasteringChemistry® as Most Valuable Assistive Instructional Tool, Make Learning Part of the Grade, Vol.2, 19-21, Pearson Education 2012.
T. E. Skinner, M. Braun, K. Woelk, N. I. Gershenzon, S. J. Glaser, Design and Application of Robust RF Pulses for Toroid Cavity NMR Spectroscopy, J. Magn. Reson. 2011, 209, 282-290.
K. Woelk, Matching Element Symbols with State Abbreviations — A Fun Activity for Browsing the Periodic Table of Chemical Elements, J. Chem. Educ.2009, 86, 1205-1207.
K. Woelk, Optimizing the Use of Personal Response Devices (Clickers) in Large‑Enrollment Introductory Courses, J. Chem. Educ.2008, 35, 1400‑1405.
H. G. Niessen, K. Woelk, Investigations in Supercritical Fluids, in “In situNMR Methods in Catalysis”, J. Bargon, L. Kuhn (eds.), Topics Curr. Chem.2007, 276, 69-110.
T. Jonischkeit, U. Bommerich, J. Stadler, K. Woelk, H. G. Niessen, J. Bargon, Generating Long-Lasting 1H- and 13C Hyperpolarization in Small Molecules with Parahydrogen-Induced Polarization, J. Chem Phys.2006, 124, 201109 (1‑5).
A. M. Kluwer, T. S. Koblenz, T. Jonischkeit, K. Woelk, C. J. Elsevier, Kinetic and Spectroscopic Study of the [Palladium(Ar-bian)]-Catalyzed Semi-Hydrogenation of 4-Octyne, J. Am. Chem. Soc.2005, 127, 15470-15480.
T. Jonischkeit, K. Woelk, Hydrogen Induced Polarization – Nuclear-Spin Hyperpolarization in Catalytic Hydrogenations without the Enrichment of Para- or Orthohydrogen, Adv. Synth. Catal. 2004, 346, 960-969.
J. Bargon, B. Graewe, Th. Jonischkeit, K. Woelk, Sensorik – Von der Waage zur elektronischen Nase, Chem. Unserer Zeit2003, 37, 212-213.
H. G. Niessen, P. Trautner, R. Backhausen, K. Woelk, Recent Developments in Toroid Cavity Engineering, Concepts Magn. Reson. Part B (Magn. Reson. Eng.)2003, 16B, 15-21.
K. Woelk, P. Trautner, H. G. Niessen, R. E. Gerald II, RIDE’n RIPT – Ring-Down Elimination in Rapid Imaging Pulse Trains, J. Magn. Reson.2002, 159, 207-212.
P. Trautner, K. Woelk, Improved Strategies for NMR Diffusion Measurements with Magnetization-Grating Rotating-Frame Imaging (MAGROFI), Phys. Chem. Chem. Phys.2002, 4, 5973-5981.
P. Trautner, K. Woelk, Fast Chemical-Shift T1 Imaging in Toroid Cavities for the Structural Analysis of Gels and Emulsions, Appl. Magn. Reson.2002, 22, 291-305.
H. G. Niessen, A. Eichhorn, K. Woelk, J. Bargon, Homogeneous Hydrogenation in Supercritical Fluids Mediated by Colloidal Catalysts, J. Mol. Catal. A2002, 182/183, 463-470.
H. G. Niessen, P. Trautner, S. Wiemann, J. Bargon, K. Woelk, The Toroid Cavity Autoclave for High-Pressure and Variable-Temperature in situ Nuclear Magnetic Resonance Studies, Rev. Sci. Instrum.2002, 73, 1259-1266.
Richard R. Ernst Award 2002: “Best Subscribed Manuscript” (Division of Magnetic Resonance Spectroscopy, German Chemical Society)
P. Trautner, K. Woelk, J. Bargon, R. E. Gerald II, Angular Flow in Toroid Cavity Probes, J. Magn. Reson.2001, 151, 284-290.
Journal of Magnetic Resonance Cover Art
K. Woelk, Torus Factor – The Relationship between Radiofrequency Field and Radial Position in Toroid Cavity Probes, J. Magn. Reson.2000, 146, 157-164.
K. Woelk, B. L. J. Zwank, P. Trautner, E. Lehnhof, J. Bargon, R. J. Klingler, R. E. Gerald II, J. W. Rathke, Finite-Difference Approach for the High-Precision Analysis of Rotating-Frame Diffusion Images, J. Magn. Reson.2000, 145, 276-290.
Journal of Magnetic Resonance Cover Art
S. Lange, A. Brinkmann, P. Trautner, K. Woelk, J. Bargon, W. Leitner, Mechanistic Aspects of Dihydrogen Activation and Transfer During Asymmetric Hydrogenation in Supercritical Carbon Dioxide, Chirality2000, 12, 450-457.
J. W. Rathke, R. J. Klingler, R. E. Gerald II, D. E. Fremgen, K. Woelk, S. Gaemers, C. J. Elsevier, NMR Spectroscopy, Chap. 3.2 in “Chemical Synthesis using Supercritical Fluids”, P. G. Jessop, W. Leitner (eds.), 1999, 165-194, Wiley-VCH, Weinheim.
K. Woelk, B. L. J. Zwank, J. Bargon, R. J. Klingler, R. E. Gerald II, J. W. Rathke, Imaging Diffusion with Non-Uniform B1 Gradients, in “Spatially Resolved Magnetic Resonance”, P. Blümler, B. Blümich, R. Botto, E. Fukushima (eds.), 1998, 103-110, Wiley-VCH, Weinheim.
R. E. Gerald II, R. J. Klingler, J. W. Rathke, G. Sandí, K. Woelk, In situ Imaging of Charge Carriers in an Electrochemical Cell, in “Spatially Resolved Magnetic Resonance”, P. Blümler, B. Blümich, R. Botto, E. Fukushima (eds.), 1998, 111 119, Wiley-VCH, Weinheim.
K. Woelk, R. J. Klingler, J. W. Rathke, Nuclear Resonance Tomography with a Toroid Cavity Detector, Magn. Reson. Imag.1997, 15, XVIII.
J. W. Rathke, R. J. Klingler, R. E. Gerald II, K. W. Kramarz, K. Woelk, Toroids in NMR Spectroscopy, Progr. NMR Spectrosc.1997, 30, 209-253.
K. Woelk, R. E. Gerald II, R. J. Klingler, J. W. Rathke, Imaging Diffusion in Toroid Cavity Probes, J. Magn. Reson. A1996, 121, 74-77.
A. Harthun, K. Woelk, J. Bargon, A. Weigt, Homogeneous Hydrogenation of Norbornadiene with Parahydrogen and Phosphonic Ester Phosphine Rhodium Complexes Studied by in situ NMR Spectroscopy, Tetrahedron1995, 51, 11199-11206.
R. J. Klingler, J. W. Rathke, K. Woelk, K. W. Kramarz, R. E. Gerald II, Applications of Toroids in High-Pressure NMR Spectroscopy, Am. Chem. Soc. Div. Fuel Chem. Preprints1995, 40, 415-419.
K. Woelk, J. W. Rathke, Composite 90° and 180° Pulses to Compensate for Radiofrequency Gradients in Toroid NMR Detectors, J. Magn. Reson. A1995, 115, 106-115.
J. W. Rathke, K. Woelk, R. J. Klingler, Argonne’s Toroid Cavity Imager Expands on MRI, J. Minerals, Metals and Materials Society (JOM) Oct. 1994, 7.
J. W. Rathke, K. Woelk, R. J. Klingler, NMR Spectra Analyzed For Material Studies, in “The World’s Most Brilliant Inventions”, Research and Development (32nd Annual R&D 100 Awards)1994, 5.
K. Woelk, J. W. Rathke, R. J. Klingler, The Toroid Cavity NMR Detector, J. Magn. Reson. A1994, 109, 137-146.
J. W. Rathke, R. J. Klingler, M. J. Chen, K. Woelk, High Pressure NMR Studies of Homogeneous Catalytic Processes, Trends Organomet. Chem.1994, 1, 117-130.
J. W. Rathke, R. J. Klingler, M. J. Chen, K. Woelk, Recent High-Pressure, NMR Spectral and Imaging Studies, Proc. Ninth DOE/BES Heterog. Catal. & Surf. Chem. Res. Conf., Oconomowoc, WI, (May 24 – 27, 1994), 124-127.
K. Woelk, J. Bargon, NMR Studies of the Kinetics of Homogeneously Catalyzed Hydrogenations Using Parahydrogen Induced Polarization at Variable Pressure, Z. Phys. Chem.1993, 182, 155-165.
J. Bargon, J. Kandels, K. Woelk, Ortho- and Parahydrogen Induced Nuclear Spin Polarization, Z. Phys. Chem.1993, 180, 65-93.
K. Woelk, J. W. Rathke, R. J. Klingler, Rotating Frame NMR Microscopy Using Toroid Cavity Detectors, J. Magn. Reson. A1993, 105, 113-116.
K. Woelk, J. Bargon, High-Pressure NMR Probes for the in situ Investigation of Gas/Liquid Reactions, Rev. Sci. Instrum.1992, 63, 3307-3310.
J. Bargon, J. Kandels, P. Kating, A. Thomas, K. Woelk, NMR Detection of Intermediates During Homogeneous Hydrogenation of Dienes Using Parahydrogen, Tetrahedron Letters1990, 31, 5721-5724. J. Bargon, J. Kandels, K. Woelk, NMR Study of Nuclear Spin Polarization during Chemical Reactions with Ortho Hydrogen, Angew. Chem. Int. Ed. Engl.1990, 29, 58-59.
Patents
M. Huang, L. Chi, R. E. Gerald II, J. Huang, A. R. Pfaff, K. Woelk, In situ NMR Parameter Monitoring Systems and Methods for Measuring pH and Temperature, US Patent 10,295,487 (issued May 21, 2019).
L. Chi, M. Huang, R. E. Gerald II, K. Woelk, Solid State NMR Spectroscopy/Imaging in situ Measuring Devices and Methods for Calibration and Determining one or more Quantitative Properties of a Target Sample, US Patent 10,067,079 (issued September 4, 2018).
D. A. Summers, K. Woelk, K. D. Oglesby, G. Galecki, Method and Apparatus for Jet-Assisted Drilling or Cutting, US Patent 8.475.230 (issued July 2, 2013).
licensed to Impact Technologies, Rochester, NY (2012 – 2016)
H. G. Niessen, K. Woelk, A. Eichhorn, J. Bargon, Colloid-Catalyzed Gas Transfer in Supercritical Phases, European Patent EP 1404725 B1 (issued November 18, 2005) & US Patent 7,193,120 (issued March 20, 2007).
J. W. Rathke, R. J. Klingler, K. Woelk, R. E. Gerald II, Near Electrode Imager, US Patent 6,046,592 (issued April 4, 2000).
K. Woelk, J. W. Rathke, R. J. Klingler, Nuclear Resonance Tomography with a Toroid Cavity Detector, US Patent 5,574,370 (issued November 12, 1996).