Skip to main content
  • Main menu
  • User menu
  • Search

Main menu

  • Home
  • Content
    • Current Issue
    • Past Issues
    • Accepted Articles
    • Email Alerts
    • RSS
    • Terms of Use
  • About PDA JPST
    • JPST Editors and Editorial Board
    • About/Vision/Mission
    • Paper of the Year
  • Author & Reviewer Resources
    • Author Resources / Submit
    • Reviewer Resources
  • JPST Access and Subscriptions
    • PDA Members
    • Institutional Subscriptions
    • Nonmember Access
  • Support
    • Join PDA
    • Contact
    • Feedback
    • Advertising
    • CiteTrack
  • .
    • Visit PDA
    • PDA Letter
    • Technical Reports
    • news uPDATe
    • Bookstore

User menu

  • Register
  • Subscribe
  • My alerts
  • Log in
  • My Cart

Search

  • Advanced search
PDA Journal of Pharmaceutical Science and Technology
  • .
    • Visit PDA
    • PDA Letter
    • Technical Reports
    • news uPDATe
    • Bookstore
  • Register
  • Subscribe
  • My alerts
  • Log in
  • My Cart
PDA Journal of Pharmaceutical Science and Technology

Advanced Search

  • Home
  • Content
    • Current Issue
    • Past Issues
    • Accepted Articles
    • Email Alerts
    • RSS
    • Terms of Use
  • About PDA JPST
    • JPST Editors and Editorial Board
    • About/Vision/Mission
    • Paper of the Year
  • Author & Reviewer Resources
    • Author Resources / Submit
    • Reviewer Resources
  • JPST Access and Subscriptions
    • PDA Members
    • Institutional Subscriptions
    • Nonmember Access
  • Support
    • Join PDA
    • Contact
    • Feedback
    • Advertising
    • CiteTrack
  • Follow pda on Twitter
  • Visit PDA on LinkedIn
  • Visit pda on Facebook
OtherResearch

Definition of particle visibility threshold in parenteral drug products - towards standardization of visual inspection operator qualification

Filip Fedorowicz, Andreas Zerr, Roman Mathaes, Matthias Eisele, Swen Maas and Atanas Koulov
PDA Journal of Pharmaceutical Science and Technology December 2024, pdajpst.2024.012994; DOI: https://doi.org/10.5731/pdajpst.2024.012994
Filip Fedorowicz
1 Clear Solutions Laboratories AG;
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
  • For correspondence: filip.fedorowicz@clearsolutions-labs.com
Andreas Zerr
1 Clear Solutions Laboratories AG;
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
  • For correspondence: andreas.zerr@clearsolutions-labs.com
Roman Mathaes
1 Clear Solutions Laboratories AG;
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
  • For correspondence: roman.mathaes@clearsolutions-labs.com
Matthias Eisele
2 Material Analytischer Service (M.A.S.) GmbH
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
  • For correspondence: eneiselee@gmx.de
Swen Maas
2 Material Analytischer Service (M.A.S.) GmbH
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
  • For correspondence: mas@ma-service.de
Atanas Koulov
1 Clear Solutions Laboratories AG;
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
  • ORCID record for Atanas Koulov
  • For correspondence: atanas.koulov@clearsolutions-labs.com
  • Article
  • References
  • Info & Metrics
  • PDF
Loading
PreviousNext
Back to top

In This Issue

PDA Journal of Pharmaceutical Science and Technology: 79 (3)
PDA Journal of Pharmaceutical Science and Technology
Vol. 79, Issue 3
May/June 2025
  • Table of Contents
  • Index by Author
  • Complete Issue (PDF)
Download PDF
Article Alerts
Email Article
Citation Tools
Share
Definition of particle visibility threshold in parenteral drug products - towards standardization of visual inspection operator qualification
Filip Fedorowicz, Andreas Zerr, Roman Mathaes, Matthias Eisele, Swen Maas, Atanas Koulov
PDA Journal of Pharmaceutical Science and Technology Dec 2024, pdajpst.2024.012994; DOI: 10.5731/pdajpst.2024.012994
Twitter logo Facebook logo Mendeley logo
  • Tweet Widget

Jump to section

  • Article
  • References
  • Info & Metrics
  • PDF

Related Articles

  • No related articles found.
  • PubMed
  • Google Scholar

Cited By...

  • No citing articles found.
  • Google Scholar

More in this TOC Section

  • Nitrogen Dioxide sterilization follows log-linear microbial inactivation kinetics using Geobacillus stearothermophilus biological indicators
  • Analysis of Virus Clearance for Biotechnology Manufacturing Processes from Early to Late Phase Development
  • Coring and Fragmentation of Elastomeric Needle Shield in a Pre-Filled Syringe
Show more Research

Similar Articles

Keywords

  • Knapp test
  • Equivalent circular diameter
  • Particle visibility limit
  • Threshold studies
  • Visible particles
  • visual inspection

Readers

  • About
  • Table of Content Alerts/Other Alerts
  • Subscriptions
  • Terms of Use
  • Contact Editors

Author/Reviewer Information

  • Author Resources
  • Submit Manuscript
  • Reviewers
  • Contact Editors

Parenteral Drug Association, Inc.

  • About
  • Advertising/Sponsorships
  • Events
  • PDA Bookstore
  • Press Releases

© 2025 PDA Journal of Pharmaceutical Science and Technology Print ISSN: 1079-7440  Digital ISSN: 1948-2124

Powered by HighWire
Alerts for this Article
Sign In to Email Alerts with your Email Address
Email this Article

Thank you for your interest in spreading the word on PDA Journal of Pharmaceutical Science and Technology.

NOTE: We only request your email address so that the person you are recommending the page to knows that you wanted them to see it, and that it is not junk mail. We do not capture any email address.

Enter multiple addresses on separate lines or separate them with commas.
Definition of particle visibility threshold in parenteral drug products - towards standardization of visual inspection operator qualification
(Your Name) has sent you a message from PDA Journal of Pharmaceutical Science and Technology
(Your Name) thought you would like to see the PDA Journal of Pharmaceutical Science and Technology web site.
CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.
4 + 5 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.
Citation Tools
Definition of particle visibility threshold in parenteral drug products - towards standardization of visual inspection operator qualification
Filip Fedorowicz, Andreas Zerr, Roman Mathaes, Matthias Eisele, Swen Maas, Atanas Koulov
PDA Journal of Pharmaceutical Science and Technology Dec 2024, pdajpst.2024.012994; DOI: 10.5731/pdajpst.2024.012994

Citation Manager Formats

  • BibTeX
  • Bookends
  • EasyBib
  • EndNote (tagged)
  • EndNote 8 (xml)
  • Medlars
  • Mendeley
  • Papers
  • RefWorks Tagged
  • Ref Manager
  • RIS
  • Zotero

We use cookies on this site to enhance your user experience

By clicking any link on this page you are giving your consent for us to set cookies.