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Blood analysis by Raman spectroscopy.
The feasibility of using Raman spectroscopy for quantitative measurements of biomolecular contents in highly light-scattering and absorbing media is demonstrated and the similarity of the features of the PLS calibration spectra to those of the respective analyte spectra illustrates that the predictions are based on molecular information carried by the Raman light.
Studies on the structure of water using two-dimensional near-infrared correlation spectroscopy and principal component analysis.
Near-infrared spectra of water in the temperature region 6-80 degrees C have been analyzed by use of principal component analysis and two-dimensional correlation spectroscopy in order to study the dynamic behavior of a band centered around 1,450 nm at room temperature, which is due to the combination of symmetric and antisymmetric O-H stretching modes of water.
Short-wave near-infrared spectroscopy of biological fluids. 1. Quantitative analysis of fat, protein, and lactose in raw milk by partial least-squares regression and band assignment.
This is the first time that good correlation coefficients and RMSEP of proteins have ever been obtained for the short-wave NIR spectra of milk for the long-wave near-infrared (NIR) region of milk.
An In-Depth Analysis of Raman and Near-Infrared Chemical Images of Common Pharmaceutical Tablets
- S. Šašiċ
- ChemistryApplied spectroscopy
- 1 March 2007
This study reports on the application of Raman and near-infrared (NIR) imaging techniques for determining the spatial distribution of all (five) components in a common type of pharmaceutical tablet…
Detailed analysis of the online near-infrared spectra of pharmaceutical blend in a rotary tablet press feed frame.
Raman spectroscopy for noninvasive glucose measurements.
The first successful study of the use of Raman spectroscopy for quantitative, noninvasive ("transcutaneous") measurement of blood analytes, using glucose as an example to provide spectral evidence that the glucose spectrum is an important part of the calibrations by analysis of the calibration regression vectors.
Defining a Strategy for Chemical Imaging of Industrial Pharmaceutical Samples on Raman Line-Mapping and Global Illumination Instruments
The performance of line-mapping and global illumination Raman systems for two pharmaceutical tablets and a powder blend are assessed and suggestions are given regarding which instrument is preferable with respect to the goal of the experiment and material under study.
Raman, infrared, and near-infrared chemical imaging
Preface. Contributors. 1 Spectroscopic Theory for Chemical Imaging (M. J. Pelletier and C. C. Pelletier). Part I Hardware. 2 Raman Imaging Instrumentation (Matthew P. Nelson and Patrick J. Treado). 3…
Chemical images: Technical approaches and issues
Issues related to data processing, instrument standards, chemical image reportable errors, and the interpretation of chemical images are presented to encourage debate, develop solutions, and promote use in other challenging scientific applications.
A New Possibility of the Generalized Two-Dimensional Correlation Spectroscopy. 1. Sample-Sample Correlation Spectroscopy
In this paper an extension of the generalized two-dimensional (2D) correlation spectroscopy, sample−sample correlation spectroscopy, is proposed to obtain the information about the species'…