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Nitrosamine Drug Substance-Related Impurity Testing

Nitrosamine Drug Substance-Related Impurity Testing Ensuring that drug products do not contain nitrosamine compounds is vitally important given their toxicity. Nitrosamines can only form under certain conditions (luckily), however their high toxicity predicates the...

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Director’s Corner: Mark Guevarra

Mark comes to Boston Analytical with 16+ years of experience working in the pharmaceutical industry. He currently is the Director of Analytical Development at Boston Analytical. Previously Mark was a Senior Group Leader managing all analytical method...

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Director’s Corner: Karina D. Allen-Ludwig, PhD

Karina has been with Boston Analytical since 2017 and is the Director and Principal Scientist in the Biological Macromolecules Laboratory. In addition, Karina has had previous experience researching and developing methods in our Analytical Development Laboratory. She...

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Director’s Corner: Greg Slack, PhD

Greg is the Senior Director of a new area at Boston Analytical, Scientific Research and Services. In this role, he draws on his 20 years experience in scientific management and 10 years as a bench scientist to simplify and streamline internal business processes,...

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Essential Experts: Shaoyuan(Jim) Zhang, Ph.D.

Dr. Zhang has been with Boston Analytical since 2017 and works with the Extractables and Leachables (E&L) department as a senior scientist. He mainly focuses on Identification and quantification of non-volatile organic E&L compounds using LC-MS-TOF. Dr. Zhang also has...

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E&L Case Study for Cream-Gel Topical Drug Product

Abstract:  Topical creams and gels are used to treat dermal conditions, and also incorporate the active ingredient of the drug transdermally into the circulatory system through the skin. Topical products have many applications, however they present unique leachables...

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Director’s Corner: Yvonne Nyavor, PhD

Yvonne has been with Boston Analytical since 2021 and works with the Microbiology Department as the Principal Scientist for Microbiome. In Addition, Yvonne works with Business Development and Client Services, and collaborates with Analytical Development, Raw...

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Essential Experts: Anthony Cannella, Ph.D.

Tony most recently graduated from SUNY University at Buffalo with a PhD in chemistry that focused on organometallic and inorganic synthesis and characterization via spectroscopic techniques. Also, he graduated with a BS in chemistry from the Rochester Institute of...

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GC-MS/LC-MS for the Analysis of Nitrosamines

Nitrosamines problem:  Nitrosamines belong to a well-known group of carcinogens known as N-nitroso compounds because of their reactivity with DNA metabolizing into potent carcinogen diazonium ions. Nitrosamine formation lies in the oxidative release of the known...

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