In this study, the comparison between the effectiveness biological of alcoholic and
nano extract used by green synthesis method of Salix alba( willows ) plant on the growth
of two types of pathogenic microbes isolates which have been obtained from AL-alywia
hospital for children thats Proteus vulgaris(Gram-ve) ,and yeast Candida albicanes(Gram
+ve) . Alcoholic extract that gave the highest effect on growth of Proteus vulgaris
bacteria by inhibition zone (8mm ), but not effected on the growth of the yeast Candida
albicanes. While the nano extract has been shown that the highest effect on the growth
of Proteus vulgaris bacteria by inhibition zone reached to (21mm), followed by
Candida albicanes by inhibition zone reached to (11mm).
Keywords:-plants extract ,green synthesis ,Antimicrobiale activities.
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