PT - JOURNAL ARTICLE AU - Honorato Justicia AU - Modesto Ibanez TI - An Approach to the Determination of Endotoxin in Anesthetics and Antibiotics: Use of an Ultrafiltration System and Enzymatic LAL Reaction DP - 1993 Sep 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 205--210 VI - 47 IP - 5 4099 - http://journal.pda.org/content/47/5/205.short 4100 - http://journal.pda.org/content/47/5/205.full SO - PDA J Pharm Sci Technol1993 Sep 01; 47 AB - An ultrafiltration system is used to obtain an endotoxin-free buffer for the LAL test. The procedure is combined with a kinetic LAL reaction of high sensitivity. This approach allows for the easy determination of endotoxin levels in parenterals with LAL-interfering substances, reducing the maximum valid dilution necessary for use in product development.