In bulk protein purification, a common first step to isolate proteins is precipitation with ammonium sulphate (NH 4) 2 SO 4. This is performed by adding increasing amounts of ammonium sulphate and collecting the different fractions of precipitate protein.rotein purification is a series of processes intended to isolate one or a few proteins from a complex mixture, usually cells, tissues or whole organisms.
Phenolic disinfectants are effective bactericides, fungicides, tuberculocides and virucides, but are ineffective against spore-forming bacteria such as Clostridium difficile. EPA-registered phenolic disinfectants are used to disinfect surface areas and non-critical medical devices.
DIM modulates the immune system and shows anti-cancer effects. Photo Credit fresh cabbage image by AGphotographer from Fotolia.com. Diindolylmethane, or DIM, is a phytochemical produced during the digestion of cruciferous vegetables such as broccoli, brussels sprouts, cabbage and cauliflower.Besides eating these vegetables, you can obtain DIM through supplements.DIM is produced from a chemical compound in the vegetables known as indole-3-carbinol or I3C. Much research has focused on I3C, but research on DIM itself is scant, according to the Memorial Sloan-Kettering Cancer Center, or MSKCC.Consult a qualified health care provider before taking herbal supplements.hoto Credit fresh cabbage image by AGphotographer from Fotolia.com. Diindolylmethane, or DIM, is a phytochemical produced during the digestion of cruciferous vegetables such as broccoli, brussels sprouts, cabbage and cauliflower.