Broadband photon time-of-flight spectroscopy of pharmaceuticals and highly scattering plastics in the VIS and close NIR spectral ranges

D Khoptyar, AA Subash, S Johansson, M Saleem… - Optics express, 2013 - opg.optica.org
We present extended spectroscopic analysis of pharmaceutical tablets in the close near
infrared spectral range performed using broadband photon time-of-flight (PTOF) absorption …

Time-resolved NIR spectroscopy for quantitative analysis of intact pharmaceutical tablets

C Abrahamsson, J Johansson… - Analytical …, 2005 - ACS Publications
Near-infrared (NIR) spectroscopy is a useful technique for quantitative measurements of
intact tablets, but it suffers from limitations due to the fact that changes in the physical …

Time-resolved NIR/Vis spectroscopy for analysis of solids: Pharmaceutical tablets

J Johansson, S Folestad, M Josefson, A Sparén… - Applied …, 2002 - opg.optica.org
Time-resolved spectroscopy in the visible and near-infrared (NIR) regions was used in a
feasibility study for analysis of solid pharmaceuticals. The objective of the experiments was …

Near-infrared photon time-of-flight spectroscopy of turbid materials up to 1400 nm

T Svensson, E Alerstam, D Khoptyar… - Review of scientific …, 2009 - pubs.aip.org
Photon time-of-flight spectroscopy (PTOFS) is a powerful tool for analysis of turbid materials.
We have constructed a time-of-flight spectrometer based on a supercontinuum fiber laser …

[图书][B] Time-resolved spectroscopy for pharmaceutical applications

C Abrahamsson - 2005 - atomic.physics.lu.se
The work presented in this thesis aims at improving spectroscopic techniques for analysis of
pharmaceutical solids. This improvement is achieved by the combining and development of …

Transmission Fourier transform Raman spectroscopy of pharmaceutical tablet cores

MJ Pelletier, P Larkin, M Santangelo - Applied Spectroscopy, 2012 - journals.sagepub.com
Transmission Fourier transform (FT) Raman spectroscopy of pharmaceutical tablet cores is
demonstrated using traditional, unmodified commercial instrumentation. The benefits of …

Spatially resolved spectral powder analysis: experiments and modeling

O Scheibelhofer, PR Wahl… - Applied …, 2018 - journals.sagepub.com
Understanding the behavior of light in granular media is necessary for determining the
sample size, shape, and weight when probing using fiber optic setups. This is required for a …

Light leakage effects with different sample holder geometries in quantitative near-infrared transmission spectroscopy of pharmaceutical tablets

A Sparén, M Malm, M Josefson… - Applied …, 2002 - journals.sagepub.com
Transmission geometry is becoming an alternative to the conventional reflectance geometry
in near-infrared (NIR) spectroscopy of pharmaceuticals. An advantage of transmission NIR is …

Development of Transmission Raman Spectroscopy towards the in line, high throughput and non-destructive quantitative analysis of pharmaceutical solid oral dose

JA Griffen, AW Owen, P Matousek - Analyst, 2015 - pubs.rsc.org
Transmission Raman spectroscopy (TRS) is a recently introduced analytical technique to
pharmaceutical analysis permitting volumetric sampling by non-destructive means. Here we …

Application of Monte Carlo simulation‐based photon migration for enhanced understanding of near‐infrared (NIR) diffuse reflectance. Part I: Depth of penetration in …

Z Shi, CA Anderson - Journal of pharmaceutical sciences, 2010 - Elsevier
This is the first of a series of articles applying Monte Carlo simulation‐based photon
migration to enhance understanding of near‐infrared (NIR) diffuse reflectance in …