Origin, result and measurement of USP “essentially free” inspection for visible contaminating particles

JZ Knapp - PDA Journal of Pharmaceutical Science and …, 2000 - journal.pda.org
The efficient mass production of pharmaceuticals requires scientifically replicable
measurements. The measurements, in turn, must be capable of description in words and …

The scientific basis for visible particle inspection

JZ Knapp - PDA Journal of Pharmaceutical Science and …, 1999 - journal.pda.org
The following paper was presented at the 1999 PDA International Conference in Tokyo,
Japan February 24, 1999. The paper was written in response to the recent well-publicized …

USP perspectives on particle contamination of injectable products

JF Gallelli, MJ Groves - PDA Journal of Pharmaceutical Science …, 1993 - journal.pda.org
It is widely recognized that the level of particulate matter in an injectable product is one
measure of quality, directly reflecting the success with which the manufacturer applies good …

[PDF][PDF] Visible particulates in injections—a history and a proposal to revise USP General Chapter Injections< 1

RE Madsen, RT Cherris, JG Shabushnig… - Pharmacopeial …, 2009 - academia.edu
This Stimuli article provides a history of visual inspection practices and requirements for
parenteral products in the United States. It includes a sampling plan and test for products …

Generalized methodology for evaluation of parenteral inspection procedures

JZ Knapp, HK Kushner - PDA Journal of Pharmaceutical Science …, 1980 - journal.pda.org
A procedure to permit objective comparison and thus validation of alternate particulate
inspection techniques has been developed and is described. This procedure is based upon …

Particulate inspection of parenteral products: From biophysics to automation

JZ Knapp, HK Kushner - PDA Journal of Pharmaceutical Science …, 1982 - journal.pda.org
To facilitate more rapid application of automated particulate inspection systems, biophysical
foundations for the industry standard manual inspection have been traced. This theoretical …

Visual inspection

MR Toler, S Nema - Parenteral Medications, Fourth Edition, 2019 - taylorfrancis.com
Particulate matter (PM) associated with pharmaceutical systems is in large part unwanted
contamination in sterile products for which there are compendial guideline methods and …

[HTML][HTML] Contaminant identification in pharmaceutical products

GL Shearer - MICROSCOPE-LONDON THEN CHICAGO-, 2003 - mccrone.com
Most pharmaceutical products are specified to be essentially free of visible particles and
there are limits on the number of subvisible particles allowed. The FDA requires that …

Particulate inspection of parenteral products: an assessment

JZ Knapp, HK Kushner, LR Abramson - PDA Journal of …, 1981 - journal.pda.org
The international drive to achieve higher quality and improved cost effectiveness in
parenteral products has achieved an apparent concensus concerning the utility and …

A biopharmaceutical industry perspective on the control of visible particles in biotechnology-derived injectable drug products

S Mathonet, HC Mahler, ST Esswein… - PDA Journal of …, 2016 - journal.pda.org
Regulatory monographs in Europe and the United States require drug products for
parenteral administration to be “practically free” or “essentially free” of visible particles …