I SOL A T I ON A N D T I T RA T I ON OF C OL I P H A GES FR OM SEW A GE S AMP LE AI M : To iso l a te a nd t i tr a t i on of c ol i ph a g e s f r om t he g iv e n se w a g e s a mp l e . P RI N C I P L E : P h a g e s a re v i rus e s that inf ec t b a c te r ia. Col i ph a ge inf ec ts b a c te r ia l i ke E s c h e ri c hia c ol i . S e w a g e is a ri c h so u r c e of c oli ph a g e s, b e ca use s e w a ge c ontains f a e ca l matter a nd is ri c h in o r g a nic matte r . F a e c a l b ac te r ia g row e n o rmous l y b y ut i l iz ing o r g a nic matter p re s e nt in s e w a g e . I solati n g p h a g e f r om s e w a g e is not a n ea s y p r o ce ss. I t r e qui r e s step w i s e c a reful iso l a t i on a nd e n r ichm e nt pr o ce ss. B ac t e rioph a g e s ca n be iso l a ted f r om dif fe r e n t e nvironme n ts. S ince t h e y g r o w a nd r e p r odu c e with ...