Search Results - "Lewis, Ian R."

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    Direct Measurement of Chocolate Components Using Dispersive Raman Spectroscopy at 1000 nm Excitation by Esmonde-White, Karen, Lewis, Mary, Lewis, Ian R.

    Published in Applied spectroscopy (01-03-2023)
    “…Chocolate is a popular food around the world. Making chocolate-based confectionaries involve multiple processing steps including cocoa bean fermentation, cocoa…”
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    Journal Article
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    Raman spectroscopy as a process analytical technology for pharmaceutical manufacturing and bioprocessing by Esmonde-White, Karen A., Cuellar, Maryann, Uerpmann, Carsten, Lenain, Bruno, Lewis, Ian R.

    Published in Analytical and bioanalytical chemistry (01-01-2017)
    “…Adoption of Quality by Design (QbD) principles, regulatory support of QbD, process analytical technology (PAT), and continuous manufacturing are major factors…”
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    Journal Article Book Review
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    The role of Raman spectroscopy in biopharmaceuticals from development to manufacturing by Esmonde-White, Karen A., Cuellar, Maryann, Lewis, Ian R.

    Published in Analytical and bioanalytical chemistry (01-01-2022)
    “…Biopharmaceuticals have revolutionized the field of medicine in the types of active ingredient molecules and treatable indications. Adoption of Quality by…”
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    Journal Article
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    Comparison of Sampling Techniques for In-Line Monitoring Using Raman Spectroscopy by Wikström, Håkan, Lewis, Ian R., Taylor, Lynne S.

    Published in Applied spectroscopy (01-07-2005)
    “…Raman spectroscopy is currently of interest as a process monitoring tool for pharmaceutical unit operations. In this study, the performance characteristics of…”
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    Journal Article
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    Use of Raman Spectroscopy to Characterize Hydrogenation Reactions by Tumuluri, Venkat S, Kemper, Mark S, Sheri, Anjaneyulu, Choi, Seoung-Ryoung, Lewis, Ian R, Avery, Mitchell A, Avery, Bonnie A

    Published in Organic process research & development (15-09-2006)
    “…Raman spectroscopy was used to characterize hydrogenation reactions involving single-step and two-step processes. The Raman technique was shown to be…”
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    Journal Article
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    Off-line and on-line measurements of drug-loaded hot-melt extruded films using Raman spectroscopy by Tumuluri, Venkat S., Kemper, Mark S., Lewis, Ian R., Prodduturi, Suneela, Majumdar, Soumyajit, Avery, Bonnie A., Repka, Michael A.

    Published in International journal of pharmaceutics (05-06-2008)
    “…The objective of this study was to investigate the use of Raman spectroscopy for the quantitative and qualitative analysis of an active ingredient in hot-melt…”
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    Journal Article
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    Anti-Stokes Raman Spectrometry with 1064-nm Excitation: An Effective Instrumental Approach for Field Detection of Explosives by Lewis, Mary L., Lewis, Ian R., Griffiths, Peter R.

    Published in Applied spectroscopy (01-04-2004)
    “…Anti-Stokes Raman spectra of 28 explosive materials were obtained with 1064-nm excitation using fiber-optic sampling and a dispersive spectrograph equipped…”
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    Journal Article
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    Evaluation of a dispersive Raman spectrometer with a Ge array detector and a 1064 nm laser for the study of explosives by Lewis, Mary L., Lewis, Ian R., Griffiths, Peter R.

    Published in Vibrational spectroscopy (29-07-2005)
    “…We report on the coupling of an NIR laser operating at 1064 nm with a dispersive Raman spectrometer using a germanium array detector to measure the…”
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    Journal Article
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    Raman spectrometry and neural networks for the classification of wood types. 2. Kohonen self-organizing maps by Yang, Husheng, Lewis, Ian R, Griffiths, Peter R

    “…One- and two-dimensional Kohonen self-organizing maps (SOMs) were successfully used for the unsupervised differentiation of the Fourier transform Raman spectra…”
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    Journal Article
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    Vibrational spectroscopic studies of asbestos and comparison of suitability for remote analysis by Lewis, Ian R., Chaffin, Nathan C., Gunter, Mickey E., Griffiths, Peter R.

    “…Raman, mid-infrared (MIR) and near-infrared (NIR) spectroscopic methods have been applied to the analysis of fibrous (asbestos) and non-fibrous forms of…”
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    Journal Article
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    Raman Spectroscopic Studies of Explosives and Precursors: Applications and Instrumentation by Lewis, Mary L, Lewis, Ian R, Griffiths, Peter R

    “…This chapter contains sections titled: Background Introduction UV Excited Raman Studies of Explosives FT‐Raman Studies of Explosives Neither FT‐Raman nor…”
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    Book Chapter
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    Raman spectrometry of explosives with a no-moving-parts fiber coupled spectrometer: A comparison of excitation wavelength by Lewis, Mary L., Lewis, Ian R., Griffiths, Peter R.

    Published in Vibrational spectroscopy (29-07-2005)
    “…In this study Stokes Raman spectra measured with 785 and 830 nm excitation, as well as 1064 nm anti-Stokes Raman spectra, of 23 explosive materials were…”
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    Journal Article