The Effect of Fe[sub]3[/sub]O[sub]4[/sub] Nanoparticles on Survival of Probiotic Bacteria [i]Lactobacillus acidophilus[/i] PCM2499 at Lower pH Journal title: Polish Journal of Microbiology Authors: Andrzej Jurkowski, Bartłomiej Zapotoczny, Jacek J. Kozioł, Mirosław R. Dudek Subject(s):