Identification and analysis of cell wall glycan epitopes and polyphenol oxidase in pawpaw ( [L.] Dunal) fruit pulp as affected by high pressure processing and refrigerated storage.

This research explores the cell wall composition and polyphenol oxidase activity of two pawpaw () fruit varieties, Susquehanna and Green River Belle, that were subjected to high pressure processing and 45 days of refrigerated storage. We hypothesize that high pressure processing may inhibit enzymatic action responsible for pawpaw's deleterious postharvest tissue softening and browning. Glycome profiling uses mAb groupings that recognize 19 groups of glycan epitopes present in most major classes of cell wall glycans and was used to determine cell wall composition.

An Ethogram to Quantify Operating Room Behavior.

Background: The operating room (OR) is a highly social and hierarchical setting where interprofessional team members must work interdependently under pressure. Due primarily to methodological challenges, the social and behavioral sciences have had trouble offering insight into OR dynamics.

Purpose: We adopted a method from the field of ethology for observing and quantifying the interpersonal interactions of OR team members.