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    Article

    Quantifying the effects of voluntary contraction and inter-stimulus interval on the human soleus H-reflex

    The human soleus H-reflex is commonly tested as an indicator of the reflex excitability of the calf muscles with infrequent stimuli to a subject seated and at rest. However, the reflex varies widely with the leve...

    Richard B. Stein, Kristen L. Estabrooks, Steven McGie in Experimental Brain Research (2007)

  2. Article

    Implementation of DART and DESI ionization on a fieldable mass spectrometer

    A recently developed prototype mobile laboratory mass spectrometer, incorporating an atmospheric pressure ionization (API) interface, is described. This system takes advantage of the small size, lower voltage ...

    J. Mitchell Wells, Michael J. Roth in Journal of the American Society for Mass S… (2008)

  3. Article

    Thin-Layer Matrix Sublimation with Vapor-Sorption Induced Co-Crystallization for Sensitive and Reproducible SAMDI-TOF MS Analysis of Protein Biosensors

    Coupling immunoassays on self-assembled monolayers (SAMs) to matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry (MS) provides improved assay selectivity compared with trad...

    Michael J. Roth, Jaekuk Kim, Erica M. Maresh in Journal of The American Society for Mass S… (2012)

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    Introduction to Glycosylation and Mass Spectrometry

    Glycosylation is increasingly recognized as a common and biologically significant post-translational modification of proteins. Modern mass spectrometry methods offer the best ways to characterize the glycosyla...

    Steven M. Patrie, Michael J. Roth, Jennifer J. Kohler in Mass Spectrometry of Glycoproteins (2013)

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    Article

    Stable and flux-conserved meshfree formulation to model shocks

    Accurate shock modeling requires that two critical issues be addressed: (1) correct representation of the essential shock physics, and (2) control of Gibbs phenomenon oscillation at the discontinuity. In this ...

    Michael J. Roth, Jiun-Shyan Chen, Thomas R. Slawson in Computational Mechanics (2016)

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    Article

    A MUSCL-SCNI approach for meshfree modeling of shock waves in fluids

    A stable and nodally integrated meshfree formulation for modeling shock waves in fluids is developed. The reproducing kernel approximation is employed to discretize the conservation equations for compressible ...

    Tsung-Hui Huang, Jiun-Shyan Chen, Haoyan Wei in Computational Particle Mechanics (2020)