X‐ray sterilization of biopharmaceutical manufacturing equipment—Extractables profile of a film material and copolyester Tritan™ compared to gamma irradiation

R Menzel, S Dorey, T Maier, I Pahl… - Biotechnology …, 2022 - Wiley Online Library
The biopharmaceutical industry gains enormous flexibility in production processes by using
sterilized preassembled single‐use devices. Gamma irradiation is an established …

Using extractables data from single-use components for extrapolation to process equipment-related leachables: The toolbox and justifications

A Hauk, I Pahl, S Dorey, R Menzel - European Journal of Pharmaceutical …, 2021 - Elsevier
Quantitative information on process equipment-related leachables (PERLs) is required for
process qualification and within a safety assessment. Extractables data for single-use …

[HTML][HTML] Assessing biologic/toxicologic effects of extractables from plastic contact materials for advanced therapy manufacturing using cell painting assay and …

I Pahl, A Pahl, A Hauk, D Budde, S Sievers, L Fruth… - Scientific Reports, 2024 - nature.com
Plastic components are essential in the pharmaceutical industry, encompassing container
closure systems, laboratory handling equipment, and single-use systems. As part of their …

Analysis and evaluation of single-use bag extractables for validation in biopharmaceutical applications

I Pahl, S Dorey, M Barbaroux, B Lagrange… - PDA Journal of …, 2014 - journal.pda.org
This paper describes an approach of extractables determination and gives information on
extractables profiles for gamma-sterilized single-use bags with polyethylene inner contact …

Filtration membranes-Scavengers for leachables?

A Hauk, E Jurkiewicz, I Pahl, T Loewe… - European Journal of …, 2018 - Elsevier
This publication describes the development of an experimental set-up and testing protocol
to test the hypothesis that filters used for sterile filtration can act as scavengers of leachables. …

Identification and evaluation of cell- growth-inhibiting bDtBPP-analogue degradation products from phosphite antioxidants used in polyolefin bioprocessing materials

D Budde, TV Maier, E Jurkiewicz, I Pahl, A Hauk… - Analytical and …, 2020 - Springer
The inhibiting effect of the secondary phosphite antioxidant degradation product bis(2,4-di-tert-butylphenyl)phosphate
(bDtBPP) on cell growth is well-known. The present study …

[HTML][HTML] Dimethylsilanediol from silicone elastomers: Analysis, release from biopharmaceutical process equipment, and clearance studies

R Menzel, A Korzun, C Golz, T Maier, I Pahl… - International Journal of …, 2023 - Elsevier
Polysiloxanes are considered one of the most important commercial families of synthetic
elastomers. They are frequently employed in biopharmaceutical manufacturing equipment as …

Theoretical and practical considerations when selecting solvents for use in extractables studies of polymeric contact materials in single-use systems applied in the …

S Dorey, I Pahl, I Uettwiller, P Priebe… - Industrial & Engineering …, 2018 - ACS Publications
Regulatory authorities require the biopharmaceutical industry to demonstrate that extractables
that may migrate from production systems do not alter the safety, efficacy, potency, or …

Comparative extractables study of autoclavable polyethersulfone filter cartridges for sterile filtration

R Menzel, I Pahl, T Loewe, A Hauk - PDA Journal of Pharmaceutical …, 2018 - journal.pda.org
Sterile filters are ubiquitous in biopharmaceutical manufacturing processes. Because such
filters are in direct contact with the process fluid, profiling of the extractables is of utmost …

[HTML][HTML] Rinsing recommendations for membrane filters and identification of rinsables

R Menzel, I Pahl, T Loewe, A Stuetzer… - European Journal of …, 2022 - Elsevier
Filtration is universally used in biopharmaceutical processing. For example, in upstream
processing for sterilizing-grade filtration of cell culture media or in various downstream …