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Pascal Chalus

Researcher at Hoffmann-La Roche

Publications -  16
Citations -  1553

Pascal Chalus is an academic researcher from Hoffmann-La Roche. The author has contributed to research in topics: Process analytical technology & Chemistry. The author has an hindex of 8, co-authored 15 publications receiving 1432 citations.

Papers
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A review of near infrared spectroscopy and chemometrics in pharmaceutical technologies.

TL;DR: This review focuses on chemometric techniques and pharmaceutical NIRS applications, covering qualitative analyses, quantitative methods and on-line applications for near-infrared spectroscopy for pharmaceutical forms.
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Infrared hyperspectral imaging for qualitative analysis of pharmaceutical solid forms

TL;DR: In this paper, peak height and unfold principal component analysis (PCA) were applied on two different pharmaceutical problems: the first one was the analysis of a contamination on the surface of a pharmaceutical solid dosage form and the second one was a set of intact tablets with different dissolution properties.
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Characterizing process effects on pharmaceutical solid forms using near-infrared spectroscopy and infrared imaging.

TL;DR: The application of NIRS to the detection and identification of changes in uncoated and coated tablets in response to pilot-scale changes in process parameters during melt granulation, compression, and coating is described.
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Near-infrared determination of active substance content in intact low-dosage tablets

TL;DR: Diffuse reflectance NIR has the potential to become a reliable and robust quality control method for determining active tablet content and was conducted with two low-dosage pharmaceutical forms.
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Combined wavelet transform–artificial neural network use in tablet active content determination by near-infrared spectroscopy

TL;DR: Wavelet transformation of the NIR spectra of a commercial tablet is applied to build a model using conventional partial least squares (PLS) regression and an artificial neural network (ANN) to validate NIRS using requisite linearity and standard error of prediction (SEP) criteria.