FILTER FOR PREPARING PLATELET RELEASE FACTOR AND METHOD FOR PREPARING PLATELET RELEASE FACTOR

摘要

PROBLEM TO BE SOLVED: To obtain a filter for preparing a platelet release factor capable of providing the platelet release factor in a short time according to simple operations with a slight chance of contamination with bacteria or foreign materials. SOLUTION: This filter for preparing the platelet release factor is used for holding platelets on the filter and releasing the factor contained in granules from the platelets by passing a platelet suspension through the filter. A compound containing a tertiary nitrogen or a quaternary nitrogen is present on at least the surface of the filter.