Search Results - "Gemperline, Paul J"
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Soft known-value constraints for improved quantitation in multivariate curve resolution
Published in Analytica chimica acta (08-04-2020)“…Multivariate curve resolution (MCR) is a powerful tool in chemometrics that has been involved in the solution of many analytical problems. The introduction of…”
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On the complementary nature of ANOVA simultaneous component analysis (ASCA+) and Tucker3 tensor decompositions on designed multi‐way datasets
Published in Journal of chemometrics (01-11-2023)“…The complementary nature of analysis of variance (ANOVA) Simultaneous Component Analysis (ASCA+) and Tucker3 tensor decompositions is demonstrated on designed…”
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Advantages of Soft versus Hard Constraints in Self-Modeling Curve Resolution Problems. Alternating Least Squares with Penalty Functions
Published in Analytical chemistry (Washington) (15-08-2003)“…A new algorithm for self-modeling curve resolution (SMCR) that yields improved results by incorporating soft constraints is described. The method uses least…”
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Nonlinear multivariate calibration using principal components regression and artificial neural networks
Published in Analytical chemistry (Washington) (15-10-1991)Get full text
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Equilibrium Modeling of Mixtures of Methanol and Water
Published in Applied spectroscopy (01-03-2005)“…An understanding of the species that form in mixtures of alcohol and water is important for their use in liquid chromatography applications. In reverse-phase…”
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Kinetic Modeling of Dissolution and Crystallization of Slurries with Attenuated Total Reflectance UV–Visible Absorbance and Near-Infrared Reflectance Measurements
Published in Analytical chemistry (Washington) (04-06-2013)“…Slurries are often used in chemical and pharmaceutical manufacturing processes but present challenging online measurement and monitoring problems. In this…”
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Computation of the Range of Feasible Solutions in Self-Modeling Curve Resolution Algorithms
Published in Analytical chemistry (Washington) (01-12-1999)“…Self-modeling curve resolution (SMCR) describes a set of mathematical tools for estimating pure-component spectra and composition profiles from mixture…”
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Comprehensive kinetic model for the dissolution, reaction, and crystallization processes involved in the synthesis of aspirin
Published in Journal of chemometrics (01-05-2014)“…Kinetic modeling of batch reactions monitored by in situ spectroscopy has been shown to be a helpful method for developing a complete understanding of reaction…”
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Spectroscopic calibration and quantitation using artificial neural networks
Published in Analytical chemistry (Washington) (01-09-1990)“…This article demonstrates the application of artificial neural networks of nonlinear multivariate calibration using spectroscopic data. Neural networks…”
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Experimental monitoring and data analysis tools for protein folding Study of steady-state evolution and modeling of kinetic transients by multitechnique and multiexperiment data fusion
Published in Analytica chimica acta (19-01-2009)“…Protein folding is a complex process that can take place through different pathways depending on the inducing agent and on the monitored time scale. This…”
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Scale-up of batch kinetic models
Published in Analytica chimica acta (09-07-2007)“…The scale-up of batch kinetic models was studied by examining the kinetic fitting results of batch esterification reactions completed in 75 mL and 5 L…”
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Raw materials testing using soft independent modeling of class analogy analysis of near-infrared reflectance spectra
Published in Analytical chemistry (Washington) (15-01-1989)Get full text
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Wavelength selection and optimization of pattern recognition methods using the genetic algorithm
Published in Analytica chimica acta (01-11-2000)“…A genetic algorithm (GA) method for wavelength selection and optimization of near-infrared (NIR) pattern recognition methods was developed to reduce…”
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Generalized rank annihilation method using similarity transformations
Published in Analytical chemistry (Washington) (15-03-1992)“…Recently several papers have described the generalized rank annihilation method; however, in some cases complex eigenvalues and eigenvectors may appear when…”
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Systematic Method for the Kinetic Modeling of Temporally Resolved Hyperspectral Microscope Images of Fluorescently Labeled Cells
Published in Applied spectroscopy (01-03-2009)“…In this paper we report the application of a novel method for fitting kinetic models to temporally resolved hyperspectral images of fluorescently labeled cells…”
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Non-negativity constraints for elimination of multiple solutions in fitting of multivariate kinetic models to spectroscopic data
Published in Journal of chemometrics (01-02-2005)“…Multiple solutions arise when fitting complicated multi‐step kinetic models to spectroscopic data. For consecutive reactions of the type A→B→C this well‐known…”
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Methods for Kinetic Modeling of Temporally Resolved Hyperspectral Confocal Fluorescence Images
Published in Applied spectroscopy (01-02-2009)“…Elucidating kinetic information (rate constants) from temporally resolved hyperspectral confocal fluorescence images offers some very important opportunities…”
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Principal component analysis, trace elements, and blue crab shell disease
Published in Analytical chemistry (Washington) (01-05-1992)“…The blue crabs caught in a localized region of the Pamlico River in North Carolina have had large lesions on their upper carapaces since 1986. This new…”
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Multi-way analysis of trace elements in fish otoliths to track migratory patterns
Published in Chemometrics and intelligent laboratory systems (28-01-2002)Get full text
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