Author | Dawn Yang

Articles

Portable, High-Efficiency Transmission Raman Spectroscopy for At-Line Content Uniformity Testing of Pharmaceutical Tablets

November 02, 2018

Special Issues

Article

Portable transmission Raman spectroscopy, combined with chemometric modeling, is quickly emerging as a valued technique for content-uniformity testing, given its high chemical specificity, which is particularly useful when dealing with complex pharmaceutical formulations that contain multiple components.

Portable Raman Spectroscopy for At-Line Characterization of Carbon Nanomaterials

June 01, 2018

Special Issues

Article

Raman spectroscopy is ideal for at-line or online material analysis for manufacturers of graphene and other carbon nanomaterials to do materials characterization, product quality control, and process monitoring.

Rapid Surface-Enhanced Raman Spectroscopy Detection of Low-Dose APIs in Pharmaceutical Drugs

June 01, 2017

Special Issues

Article

A simple SERS-based method was used to identify low doses of the APIs alprazolam, codeine, oxycodone, and hydrocodone using a handheld Raman spectrometer.

Carbon Black At-Line Characterization Using Portable Raman Spectroscopy

June 01, 2015

Special Issues

Article

Carbon black is a form of amorphous carbon. It is mainly used as reinforcement filler in automobile tires and other rubber products, but it's also used in pigments, paint, and carbon paper.