Death and bereavement are human experiences that new media helps facilitate alongside creating new social grief practices that occur online. This study investigated how people’s postings and tweets facilitated the communication of grief after pop music icon Michael Jackson died. Drawing on past grief research, religion, and new media studies, a thematic analysis of 1,046 messages was conducted on three mediated sites (Twitter, TMZ.com, and Facebook). Results suggested that social media served as grieving spaces for people to accept Jackson’s death (...) rather than denying it or expressing anger over his passing. The findings also illustrate how interactive exchanges online helped recycle news and “resurrected” the life of Jackson. Additionally, as fans of deceased celebrities create and disseminate web-based memorials, new social media practices such as “Michael Mondays” synchronize tweets within everyday life rhythms and foster practices to hasten the grieving process. (shrink)

In this article, it is hypothesized that a fundamental chemical reactivity exists between some non‐lipid constituents of cellular membranes and ester‐based lipids, the significance of which is not generally recognized. Many peptides and smaller organic molecules have now been shown to undergo lipidation reactions in model membranes in circumstances where direct reaction with the lipid is the only viable route for acyl transfer. Crucially, drugs like propranolol are lipidated in vivo with product profiles that are comparable to those produced in (...) vitro. Some compounds have also been found to promote lipid hydrolysis. Drugs with high lytic activity in vivo tend to have higher toxicity in vitro. Deacylases and lipases are proposed as key enzymes that protect cells against the effects of intrinsic lipidation. The toxic effects of intrinsic lipidation are hypothesized to include a route by which nucleation can occur during the formation of amyloid fibrils. (shrink)