The company will be introducing its new low-substituted hydroxypropyl cellulose and its improved polyplasdone LN superdisintegrant at the October 2024 events.

Question mark made of lots of pills and capsules on color background | Image Credit: © Kirill - stock.adobe.com

Understanding the Value of Excipient Grade

By Felicity Thomas

September 10th 2024

Greater collaboration and understanding are needed to ensure the correct grade of excipient is used in drug products.

HPLC vials with green sample of plant extracts. Developing of drugs based on natural products. Biochemical analysis | Image Credit: ©vladim_ka - stock.adobe.com

Determining Low PPB Levels of Nitrite in Polymeric Excipients

By Helen K. Gerardi
Lawrence Feeley

Paul Suszczynski
Zachary Digby
Fan Wu

September 9th 2024

In this paper, the authors introduce a method that combines ion exchange chromatography with an easier-to-perform, simpler one-step post-column derivatization that is selective to nitrite and visible spectrophotometric detection to allow high sample loading volumes without affecting resolution.