Search Results - "WINDIG, Willem"

The use of the Durbin-Watson criterion for noise and background reduction of complex liquid chromatography/mass spectrometry data and a new algorithm to determine sample differences by Windig, Willem

“…Recently, Massart's research group showed the potential of the Durbin-Watson criterion as a tool to determine the pseudo-rank of mixture data sets using…”
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Generalized Rank Annihilation Method Applied to a Single Multicomponent Pulsed Gradient Spin Echo NMR Data Set by Antalek, Brian, Windig, Willem

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A Noise and Background Reduction Method for Component Detection in Liquid Chromatography/Mass Spectrometry by Windig, Willem, Phalp, J. Martin, Payne, Alan W

“…The combination of liquid chromatography with mass spectrometry, particularly using electrospray as an ionization method, can result in chromatograms with a…”
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Polarization Effects of Confocal Raman Microspectrometry of Crystal Powders Using Interactive Self-Modeling Analysis by Batonneau, Yann, Brémard, Claude, Laureyns, Jacky, Merlin, Jean-Claude, Windig, Willem

“…The collection by confocal Raman microspectrometry in the motorized point-by-point scanning mode of crystalline samples with heterogeneity larger than the…”
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The use of PGSE NMR and DECRA for determining polymer composition by Antalek, Brian, Hewitt, J. Michael, Windig, Willem, Yacobucci, Paul D., Mourey, Thomas, Le, Kim

“…Pulsed gradient spin‐echo (PGSE) NMR, when coupled with the appropriate data processing algorithm, is a useful method for mixture analysis. Direct exponential…”
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Rapid estimation of rate constants using on-line SW-NIR and trilinear models by Bijlsma, Sabina, Louwerse (Ad), D.J., Windig, Willem, Smilde, Age K.

“…In this paper, two algorithms are presented to estimate reaction rate constants from on-line short-wavelength near-infrared (SW-NIR) measurements. These can be…”
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Framework for alternating-least-squares-based multivariate curve resolution with application to time-of-flight secondary ion mass spectrometry imaging by Keenan, Michael R., Windig, Willem, Arlinghaus, Henrik

“…Multivariate statistical analysis, in general, and multivariate curve resolution (MCR), in particular, have found an important role in extracting chemical…”
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Applications of the direct exponential curve resolution algorithm (DECRA) to solid state nuclear magnetic resonance and mid-infrared spectra by Windig, Willem, Antalek, Brian, Robbins, Mark J., Zumbulyadis, Nicholas, Heckler, Charles E.

“…DECRA (direct exponential curve resolution algorithm) is a fast multivariate method used to resolve spectral data with concentration profiles that are linear…”
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Loopy MSC: A Simple Way to Improve Multiplicative Scatter Correction by Windig, Willem, Shaver, Jeremy, Bro, Rasmus

“…Multiplicative scatter correction (MSC) is a widely used normalization technique. It aims to correct spectra in such a way that they are as close as possible…”
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Elucidation of Polymorph Mixtures Using Solid-State 13C CP/MAS NMR Spectroscopy and Direct Exponential Curve Resolution Algorithm by Zumbulyadis, Nicholas, Antalek, Brian, Windig, Willem, Scaringe, Ray P, Lanzafame, Anne M, Blanton, Thomas, Helber, Margaret

“…Polymorphic behavior has a broad impact on chemical technology influencing the solid-state properties of many materials from pigments to pharmaceuticals. The…”
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The resolution of mixtures using data from automated probe mass spectrometry by Phalp, J.Martin, Payne, Alan W., Windig, Willem

“…This paper describes the application of self-modeling mixture analysis to automated mass spectral data analysis. The particular method chosen here is SIMPLISMA…”
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Angle-Constrained Alternating Least Squares by Windig, Willem, Keenan, Michael R.

“…When resolving mixture data sets using self-modeling mixture analysis techniques, there are generally a range of possible solutions. There are cases, however,…”
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Simplification of alternating least squares solutions with contrast enhancement by Windig, Willem, Shaver, Jeremy M., Keenan, Michael R., Wise, Barry M.

“…A problem with self-modeling mixture analysis solutions is the range of solutions that is generally possible. The range of solutions goes from those with high…”
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Interactive self-modeling mixture analysis by Windig, Willem, Guilment, Jean

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Direct exponential curve resolution algorithm (DECRA): A novel application of the generalized rank annihilation method for a single spectral mixture data set with exponentially decaying contribution profiles by Windig, Willem, Antalek, Brian

“…The generalized rank annihilation method (GRAM) is a powerful method for calibration and self-modeling curve resolution. The mathematical treatment requires…”
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Combined Use of Conventional and Second-Derivative Data in the SIMPLISMA Self-Modeling Mixture Analysis Approach by Windig, Willem, Antalek, Brian, Lippert, Joseph L, Batonneau, Yann, Brémard, Claude

“…Simple-to-use interactive self-modeling mixture analysis (SIMPLISMA) is a successful pure variable approach to resolve spectral mixture data. A pure variable…”
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Curve resolution for multivariate images with applications to TOF-SIMS and Raman by Gallagher, Neal B., Shaver, Jeremy M., Martin, Elaine B., Morris, Julian, Wise, Barry M., Windig, Willem

“…Multivariate curve resolution (MCR) is a powerful technique for extracting chemical information from multivariate images (MI). Two problems with MI are (1)…”
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A new approach for interactive self-modeling mixture analysis by Windig, Willem, Gallagher, Neal B., Shaver, Jeremy M., Wise, Barry M.

“…Recently, a new SIMPLISMA approach was described where both the conventional spectral intensities (for pure variables of wide spectral features) and second…”
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Curie-point pyrolysis atmospheric pressure chemical ionization mass spectrometry: preliminary performance data for three biopolymers by Snyder, A. Peter, Kremer, Johannes H, Meuzelaar, Henk L. C, Windig, Willem, Taghizadeh, Koli

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Pyrolysis Mass Spectrometry of Complex Organic Materials by Henk L. C. Meuzelaar, Windig, Willem, Harper, Alice M., Huff, Stanley M., McClennen, William H., Richards, Joseph M.

“…Pyrolysis mass spectrometry in combination with computerized multivariate statistical analysis enables qualitative and quantitative analysis of nonvolatile…”
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