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Title: Parts per Million Powder X-ray Diffraction

Journal Article · · Analytical Chemistry

Here in this paper we demonstrate the use of second harmonic generation (SHG) microscopy-guided synchrotron powder X-ray diffraction (PXRD) for the detection of trace crystalline active pharmaceutical ingredients in a common polymer blend. The combined instrument is capable of detecting 100 ppm crystalline ritonavir in an amorphous hydroxypropyl methylcellulose matrix with a high signal-to-noise ratio (>5000). The high spatial resolution afforded by SHG microscopy allows for the use of a minibeam collimator to reduce the total volume of material probed by synchrotron PXRD. The reduction in probed volume results in reduced background from amorphous material. The ability to detect low crystalline loading has the potential to improve measurements in the formulation pipeline for pharmaceutical solid dispersions, for which even trace quantities of crystalline active ingredients can negatively impact the stability and bioavailability of the final drug product.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Organization:
National Institutes of Health (NIH); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-06CH11357; SC0000997; NIH-R01GM103401; NIH-R01GM103910
OSTI ID:
1228102
Journal Information:
Analytical Chemistry, Vol. 87, Issue 21; ISSN 0003-2700
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
ENGLISH
Citation Metrics:
Cited by: 59 works
Citation information provided by
Web of Science

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Cited By (11)

Properties of Cu-Based Shape-Memory Alloys Prepared by Selective Laser Melting journal December 2016
Characterization of amorphous solid dispersions journal October 2017
Calibration-Free Second Harmonic Generation (SHG) Image Analysis for Quantification of Trace Crystallinity Within Final Dosage Forms of Amorphous Solid Dispersions journal October 2018
Probing molecule-like isolated octahedra via phase stabilization of zero-dimensional cesium lead halide nanocrystals journal November 2018
Inkjet printing of a thermolabile model drug onto FDM-printed substrates: formulation and evaluation journal July 2020
Droplet Microfluidics XRD Identifies Effective Nucleating Agents for Calcium Carbonate journal March 2019
Synthesis and Thermoelectric Property Elucidation of Mechanically Alloyed and Vacuum Hot Pressed Single-Phase AlSb journal October 2019
Mechanical and Thermoelectric Properties of Bulk AlSb Synthesized by Controlled Melting, Pulverizing and Subsequent Vacuum Hot Pressing journal April 2019
Inkjet printing of a thermolabile model drug onto FDM-printed substrates: formulation and evaluation text January 2020
Inkjet printing of a thermolabile model drug onto FDM-printed substrates: formulation and evaluation text January 2020
Nanocrystalline Electrodeposited Fe-W/Al2O3 Composites: Effect of Alumina Sub-microparticles on the Mechanical, Tribological, and Corrosion Properties journal April 2019

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