Gel Permeation Chromatography (GPC) clean-up is a extraction method which is required for the removal of interfering substances such as proteins, fats & lipids, & complex polymers from food, tissue, soil & waters samples.

Samsung has released firmware version 1.20 for its GX-10 DSLR. Adding functionality to the command dials and green button seems to be at the heart of this update, improving speed and ease of operation by allowing photographers to change settings without having to delve into the menu system. The firmware may be installed over all previous versions as it incorporates the changes added in previous releases and is available now via Samsung's support site (link after the jump).

If you're inclined to spend a lot for silence and slim design, Sony's new XL3 Digital Living System delivers better than any other full-size home theater PC we've seen. If you're looking for customizability and the most bang for your buck, other vendors have this system beat.