Bioscience?

After writing my dissertation I finally focused on a specific theme for my final project. As I was doing my research on death and existence, I came across bio-science. I discovered interesting facts about the vitality of cells when are detached from the human body and if they are possible to survive after one has passed away. Many theories sometimes even contradicting each other, suggest that either through a certain context (environment if you prefer) body cells can still keep living. Another theory was that what we call healthy cells are not able to exist but the cancerous ones are what we can simply claim immortal. Of course the vitality of cells can only be considered as existence according to time (first factor/parameter) and through division. Have still not enough theory or research to actually acclaim that there is more to it, something that is in my next plans.
Anthropologists now are questioned to give a proper answer to what life and death is because of the advance in sciences.
As this is my area of focus now, the next step of course is to question what happens then after all? Of course there is no life as we originally think (a human being functioning as everyone does) but there is still a part of us, even in the tiniest form of a cell, that can still be left behind when we die. The question which is opposed then, almost by itself, is how people will then react? When someone that we love does pass away, but there is still a part of him/her that is vivid, does something then change in the way we see death? If so the bigger question is, how does society accept that. Are death rituals changed?Or even discarded. Do we still grieve and mourn for the person that we just lost?
It might be very sci-fi to create something that will either comfort us at the event of death or simply to acclaim immortality but is it possible? What if there were actually a device, gadget, site, data or even a form of being that can have a little bit of us (if not us as an entity) that can be alive after what in the medical world we call death?